====================================== | [ 9.244515][ T204] softirqs last disabled at (25849): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.244518][ T204] Preemption disabled at: | [ 9.244518][ T204] 0x0 | [ 9.244528][ T204] Tainted: [W]=WARN [ 9.244529][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.244531][ T204] Call Trace: [ 9.244533][ T204] [ 9.244535][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.244541][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.244545][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.244550][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.244554][ T204] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.244556][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.244563][ T204] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.244566][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.244569][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.244571][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.244573][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.244576][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.244581][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.244589][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.244592][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.244594][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.244597][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.244601][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.244603][ T204] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.244606][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.244608][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.244612][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.244616][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.244618][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.244623][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.244626][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.244628][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.244629][ T204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.244633][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.244635][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.244637][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.244640][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.244643][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.244647][ T204] _printk (kernel/printk/printk.c:2504) [ 9.244650][ T204] ? snapshot_read.cold (user.c:?) [ 9.244653][ T204] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.244655][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.244659][ T204] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.244662][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.244666][ T204] ? exit_notify (kernel/exit.c:780) [ 9.244667][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.244670][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.244673][ T204] do_group_exit (kernel/exit.c:1151) [ 9.244676][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.244678][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.244680][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.244685][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.244688][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.244690][ T204] RIP: 0033:0x7fe5af9611b8 [ 9.244692][ T204] Code: Unable to access opcode bytes at 0x7fe5af96118e. Code starting with the faulting instruction =========================================== [ 9.244693][ T204] RSP: 002b:00007ffc11227b28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.244695][ T204] RAX: ffffffffffffffda RBX: 00007fe5afa91f88 RCX: 00007fe5af9611b8 [ 9.244696][ T204] RDX: 00007fe5af6abfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.244697][ T204] RBP: 00007ffc11227b80 R08: 0000000000000000 R09: 0000000000000050 [ 9.244698][ T204] R10: 00007ffc11227940 R11: 0000000000000246 R12: 0000000000000001 [ 9.244699][ T204] R13: 0000000000000000 R14: 00007fe5afa90680 R15: 00007fe5afa91fa0 | [ 10.493181][ T261] softirqs last disabled at (25532): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 10.493183][ T261] Preemption disabled at: | [ 10.493184][ T261] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.493192][ T261] Tainted: [W]=WARN [ 10.493193][ T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.493195][ T261] Call Trace: [ 10.493196][ T261] [ 10.493198][ T261] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.493204][ T261] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.493205][ T261] __might_resched.cold (kernel/sched/core.c:9234) [ 10.493210][ T261] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.493214][ T261] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.493218][ T261] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.493220][ T261] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.493227][ T261] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.493230][ T261] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.493234][ T261] put_chars (drivers/char/virtio_console.c:1176) [ 10.493236][ T261] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.493239][ T261] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.493244][ T261] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.493248][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.493253][ T261] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.493256][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.493262][ T261] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.493266][ T261] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.493268][ T261] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.493271][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.493273][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.493277][ T261] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.493281][ T261] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.493283][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.493288][ T261] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.493291][ T261] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.493293][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.493294][ T261] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.493298][ T261] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.493300][ T261] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.493303][ T261] vprintk_emit (kernel/printk/printk.c:2479) [ 10.493306][ T261] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.493308][ T261] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.493309][ T261] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.493314][ T261] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.493318][ T261] _printk (kernel/printk/printk.c:2504) [ 10.493321][ T261] ? snapshot_read.cold (user.c:?) [ 10.493325][ T261] ? br_multicast_flood (??:?) [ 10.493328][ T261] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 10.493329][ T261] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 10.493330][ T261] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.493335][ T261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.493339][ T261] br_init_port (net/bridge/br_stp_if.c:39) [ 10.493342][ T261] new_nbp (net/bridge/br_if.c:449) [ 10.493346][ T261] br_add_if (net/bridge/br_if.c:592) [ 10.493347][ T261] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 10.493355][ T261] do_set_master (net/core/rtnetlink.c:3071) [ 10.493359][ T261] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 10.493362][ T261] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 10.493364][ T261] ? __dev_get_by_name (net/core/dev.c:905) [ 10.493366][ T261] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 10.493376][ T261] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 10.493382][ T261] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.493388][ T261] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.493390][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.493397][ T261] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.493400][ T261] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.493402][ T261] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.493405][ T261] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.493407][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.493411][ T261] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.493413][ T261] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.493417][ T261] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.493420][ T261] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.493423][ T261] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.493430][ T261] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.493432][ T261] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.493436][ T261] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.493440][ T261] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.493446][ T261] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.493450][ T261] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.493454][ T261] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.493456][ T261] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.493461][ T261] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.493465][ T261] ____sys_sendmsg (net/socket.c:2713) [ 10.493467][ T261] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.493470][ T261] ? sock_write_iter (net/socket.c:1269) [ 10.493471][ T261] ? move_addr_to_kernel (net/socket.c:258) [ 10.493476][ T261] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 10.493478][ T261] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.493482][ T261] ___sys_sendmsg (net/socket.c:2767) [ 10.493484][ T261] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 10.493486][ T261] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.493489][ T261] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 10.493504][ T261] __sys_sendmsg (net/socket.c:2799) [ 10.493507][ T261] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.493512][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.493514][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.493517][ T261] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.493520][ T261] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.493523][ T261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.493525][ T261] RIP: 0033:0x7f6f3010d54e [ 10.493529][ T261] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.493530][ T261] RSP: 002b:00007fff7f1c1360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.493533][ T261] RAX: ffffffffffffffda RBX: 00007fff7f1c1b28 RCX: 00007f6f3010d54e [ 10.493534][ T261] RDX: 0000000000000000 RSI: 00007fff7f1c1410 RDI: 0000000000000005 [ 10.493535][ T261] RBP: 00007fff7f1c1370 R08: 0000000000000000 R09: 0000000000000000 [ 10.493536][ T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916781 [ 10.493537][ T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7f1c1ae0 | [ 11.532331][ T293] softirqs last disabled at (23950): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 11.532333][ T293] Preemption disabled at: | [ 11.532333][ T293] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.532342][ T293] Tainted: [W]=WARN [ 11.532342][ T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.532344][ T293] Call Trace: [ 11.532346][ T293] [ 11.532348][ T293] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.532353][ T293] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.532355][ T293] __might_resched.cold (kernel/sched/core.c:9234) [ 11.532360][ T293] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.532364][ T293] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.532368][ T293] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.532370][ T293] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.532377][ T293] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.532380][ T293] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.532383][ T293] put_chars (drivers/char/virtio_console.c:1176) [ 11.532386][ T293] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.532387][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.532390][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.532393][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.532398][ T293] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.532402][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.532407][ T293] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.532410][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.532415][ T293] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.532419][ T293] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.532421][ T293] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.532424][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.532426][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.532429][ T293] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.532434][ T293] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.532435][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.532441][ T293] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.532443][ T293] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.532445][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.532447][ T293] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.532451][ T293] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.532452][ T293] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.532455][ T293] vprintk_emit (kernel/printk/printk.c:2479) [ 11.532458][ T293] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.532460][ T293] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.532463][ T293] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.532466][ T293] _printk (kernel/printk/printk.c:2504) [ 11.532470][ T293] ? snapshot_read.cold (user.c:?) [ 11.532473][ T293] ? br_multicast_flood (??:?) [ 11.532477][ T293] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.532478][ T293] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.532479][ T293] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.532483][ T293] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.532488][ T293] br_init_port (net/bridge/br_stp_if.c:39) [ 11.532490][ T293] new_nbp (net/bridge/br_if.c:449) [ 11.532494][ T293] br_add_if (net/bridge/br_if.c:592) [ 11.532496][ T293] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 11.532503][ T293] do_set_master (net/core/rtnetlink.c:3071) [ 11.532507][ T293] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.532510][ T293] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 11.532512][ T293] ? __dev_get_by_name (net/core/dev.c:905) [ 11.532514][ T293] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 11.532523][ T293] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.532530][ T293] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.532535][ T293] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.532537][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.532543][ T293] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.532547][ T293] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.532549][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.532552][ T293] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.532554][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.532558][ T293] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.532560][ T293] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.532564][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.532566][ T293] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.532569][ T293] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.532576][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.532578][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.532582][ T293] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.532586][ T293] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.532591][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.532595][ T293] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.532599][ T293] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.532601][ T293] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.532606][ T293] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.532610][ T293] ____sys_sendmsg (net/socket.c:2713) [ 11.532612][ T293] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.532614][ T293] ? sock_write_iter (net/socket.c:1269) [ 11.532616][ T293] ? move_addr_to_kernel (net/socket.c:258) [ 11.532620][ T293] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 11.532623][ T293] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.532627][ T293] ___sys_sendmsg (net/socket.c:2767) [ 11.532628][ T293] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 11.532631][ T293] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.532633][ T293] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 11.532648][ T293] __sys_sendmsg (net/socket.c:2799) [ 11.532651][ T293] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.532656][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.532658][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.532661][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.532664][ T293] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.532667][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.532669][ T293] RIP: 0033:0x7fd98550854e [ 11.532673][ T293] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.532675][ T293] RSP: 002b:00007ffd654656a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.532677][ T293] RAX: ffffffffffffffda RBX: 00007ffd65465e68 RCX: 00007fd98550854e [ 11.532678][ T293] RDX: 0000000000000000 RSI: 00007ffd65465750 RDI: 0000000000000005 [ 11.532679][ T293] RBP: 00007ffd654656b0 R08: 0000000000000000 R09: 0000000000000000 [ 11.532680][ T293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916782 [ 11.532681][ T293] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd65465e20 | [ 13.213608][ T342] softirqs last disabled at (24404): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 13.213609][ T342] Preemption disabled at: | [ 13.213610][ T342] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.213618][ T342] Tainted: [W]=WARN [ 13.213619][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.213621][ T342] Call Trace: [ 13.213623][ T342] [ 13.213624][ T342] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.213630][ T342] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.213632][ T342] __might_resched.cold (kernel/sched/core.c:9234) [ 13.213636][ T342] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.213640][ T342] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.213644][ T342] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.213646][ T342] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.213653][ T342] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.213655][ T342] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.213659][ T342] put_chars (drivers/char/virtio_console.c:1176) [ 13.213662][ T342] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.213663][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.213666][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.213669][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.213674][ T342] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.213678][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.213683][ T342] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.213686][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.213691][ T342] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.213695][ T342] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.213696][ T342] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.213700][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.213701][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.213705][ T342] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.213710][ T342] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.213712][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.213717][ T342] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.213720][ T342] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.213722][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.213723][ T342] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 13.213727][ T342] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.213729][ T342] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.213732][ T342] vprintk_emit (kernel/printk/printk.c:2479) [ 13.213735][ T342] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.213736][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.213739][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.213743][ T342] _printk (kernel/printk/printk.c:2504) [ 13.213746][ T342] ? snapshot_read.cold (user.c:?) [ 13.213750][ T342] ? br_multicast_flood (??:?) [ 13.213753][ T342] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 13.213754][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 13.213755][ T342] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.213760][ T342] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.213764][ T342] br_init_port (net/bridge/br_stp_if.c:39) [ 13.213766][ T342] new_nbp (net/bridge/br_if.c:449) [ 13.213770][ T342] br_add_if (net/bridge/br_if.c:592) [ 13.213772][ T342] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 13.213780][ T342] do_set_master (net/core/rtnetlink.c:3071) [ 13.213783][ T342] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 13.213787][ T342] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 13.213789][ T342] ? __dev_get_by_name (net/core/dev.c:905) [ 13.213791][ T342] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 13.213800][ T342] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 13.213807][ T342] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.213812][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.213814][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.213821][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.213825][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.213827][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.213830][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.213831][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.213836][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.213840][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.213844][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.213847][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.213849][ T342] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.213856][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 13.213858][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 13.213862][ T342] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.213866][ T342] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.213872][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.213876][ T342] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.213880][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.213881][ T342] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.213886][ T342] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.213890][ T342] ____sys_sendmsg (net/socket.c:2713) [ 13.213893][ T342] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.213895][ T342] ? sock_write_iter (net/socket.c:1269) [ 13.213896][ T342] ? move_addr_to_kernel (net/socket.c:258) [ 13.213901][ T342] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 13.213903][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.213907][ T342] ___sys_sendmsg (net/socket.c:2767) [ 13.213909][ T342] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 13.213911][ T342] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.213914][ T342] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 13.213928][ T342] __sys_sendmsg (net/socket.c:2799) [ 13.213931][ T342] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.213937][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.213938][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.213941][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.213945][ T342] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.213948][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.213950][ T342] RIP: 0033:0x7f216cb8854e [ 13.213954][ T342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 13.213955][ T342] RSP: 002b:00007ffdeaa7dea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.213958][ T342] RAX: ffffffffffffffda RBX: 00007ffdeaa7e668 RCX: 00007f216cb8854e [ 13.213959][ T342] RDX: 0000000000000000 RSI: 00007ffdeaa7df50 RDI: 0000000000000005 [ 13.213960][ T342] RBP: 00007ffdeaa7deb0 R08: 0000000000000000 R09: 0000000000000000 [ 13.213961][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916784 [ 13.213962][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdeaa7e620 | [ 14.268231][ T372] softirqs last disabled at (19186): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.268233][ T372] Preemption disabled at: | [ 14.268234][ T372] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.268242][ T372] Tainted: [W]=WARN [ 14.268243][ T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.268245][ T372] Call Trace: [ 14.268246][ T372] [ 14.268248][ T372] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.268254][ T372] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.268255][ T372] __might_resched.cold (kernel/sched/core.c:9234) [ 14.268260][ T372] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.268264][ T372] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.268269][ T372] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.268271][ T372] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.268277][ T372] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.268280][ T372] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.268284][ T372] put_chars (drivers/char/virtio_console.c:1176) [ 14.268286][ T372] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.268287][ T372] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.268291][ T372] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.268293][ T372] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.268298][ T372] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.268302][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.268307][ T372] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.268310][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.268315][ T372] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.268319][ T372] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.268321][ T372] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.268324][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.268325][ T372] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.268329][ T372] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.268333][ T372] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.268335][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.268340][ T372] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.268343][ T372] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.268345][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.268347][ T372] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.268350][ T372] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.268352][ T372] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.268355][ T372] vprintk_emit (kernel/printk/printk.c:2479) [ 14.268358][ T372] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.268360][ T372] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.268363][ T372] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.268366][ T372] _printk (kernel/printk/printk.c:2504) [ 14.268370][ T372] ? snapshot_read.cold (user.c:?) [ 14.268374][ T372] ? br_multicast_flood (??:?) [ 14.268376][ T372] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.268378][ T372] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.268379][ T372] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.268383][ T372] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.268387][ T372] br_init_port (net/bridge/br_stp_if.c:39) [ 14.268390][ T372] new_nbp (net/bridge/br_if.c:449) [ 14.268393][ T372] br_add_if (net/bridge/br_if.c:592) [ 14.268395][ T372] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 14.268403][ T372] do_set_master (net/core/rtnetlink.c:3071) [ 14.268407][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.268410][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 14.268412][ T372] ? __dev_get_by_name (net/core/dev.c:905) [ 14.268414][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 14.268423][ T372] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.268430][ T372] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.268435][ T372] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.268437][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.268443][ T372] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.268447][ T372] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.268449][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.268452][ T372] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.268453][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.268458][ T372] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.268460][ T372] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.268463][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.268466][ T372] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.268469][ T372] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.268475][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.268478][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.268482][ T372] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.268486][ T372] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.268491][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.268495][ T372] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.268499][ T372] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.268501][ T372] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 14.268506][ T372] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 14.268510][ T372] ____sys_sendmsg (net/socket.c:2713) [ 14.268512][ T372] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.268514][ T372] ? sock_write_iter (net/socket.c:1269) [ 14.268516][ T372] ? move_addr_to_kernel (net/socket.c:258) [ 14.268520][ T372] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 14.268523][ T372] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.268527][ T372] ___sys_sendmsg (net/socket.c:2767) [ 14.268528][ T372] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 14.268531][ T372] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.268533][ T372] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 14.268548][ T372] __sys_sendmsg (net/socket.c:2799) [ 14.268551][ T372] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.268556][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.268558][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.268561][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.268564][ T372] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.268567][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.268569][ T372] RIP: 0033:0x7f5d9dd4d54e [ 14.268573][ T372] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.268575][ T372] RSP: 002b:00007ffdb4ef9560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.268577][ T372] RAX: ffffffffffffffda RBX: 00007ffdb4ef9d28 RCX: 00007f5d9dd4d54e [ 14.268579][ T372] RDX: 0000000000000000 RSI: 00007ffdb4ef9610 RDI: 0000000000000005 [ 14.268580][ T372] RBP: 00007ffdb4ef9570 R08: 0000000000000000 R09: 0000000000000000 [ 14.268580][ T372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916785 [ 14.268581][ T372] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb4ef9ce0 | [ 21.291763][ T12] softirqs last disabled at (16484): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 21.291765][ T12] Preemption disabled at: | [ 21.291766][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.291775][ T12] Tainted: [W]=WARN [ 21.291776][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.291778][ T12] Workqueue: netns cleanup_net [ 21.291781][ T12] Call Trace: [ 21.291783][ T12] [ 21.291785][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.291791][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.291792][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 21.291797][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.291801][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.291805][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.291807][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.291814][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.291816][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.291820][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 21.291823][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.291826][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 21.291831][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.291835][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.291843][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.291846][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.291852][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.291856][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.291858][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 21.291862][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.291863][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.291867][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.291872][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.291874][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.291879][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.291882][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.291884][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.291886][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 21.291890][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.291892][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.291894][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 21.291898][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.291899][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 21.291901][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.291903][ T12] ? kthread (kernel/kthread.c:436) [ 21.291905][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 21.291908][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 21.291913][ T12] _printk (kernel/printk/printk.c:2504) [ 21.291917][ T12] ? snapshot_read.cold (user.c:?) [ 21.291921][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.291925][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.291929][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.291932][ T12] ? netdev_notice (net/core/dev.c:13194) [ 21.291936][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.291938][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 21.291941][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 21.291943][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 21.291945][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 21.291949][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 21.291953][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 21.291960][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 21.291963][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 21.291967][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 21.291971][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 21.291974][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 21.291976][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.291979][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 21.291984][ T12] cleanup_net (net/core/net_namespace.c:706) [ 21.291987][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 21.291991][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.291993][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.291996][ T12] process_one_work (kernel/workqueue.c:3387) [ 21.292003][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.292006][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.292014][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.292021][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.292023][ T12] kthread (kernel/kthread.c:436) [ 21.292025][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.292028][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.292031][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.292034][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.292037][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.292040][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.292043][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.405627][ T521] softirqs last disabled at (23278): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 22.405630][ T521] Preemption disabled at: | [ 22.405631][ T521] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.405639][ T521] Tainted: [W]=WARN [ 22.405640][ T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.405641][ T521] Call Trace: [ 22.405643][ T521] [ 22.405644][ T521] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.405650][ T521] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.405651][ T521] __might_resched.cold (kernel/sched/core.c:9234) [ 22.405656][ T521] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.405660][ T521] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.405664][ T521] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.405666][ T521] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.405672][ T521] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.405675][ T521] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.405679][ T521] put_chars (drivers/char/virtio_console.c:1176) [ 22.405681][ T521] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.405687][ T521] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.405694][ T521] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.405698][ T521] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.405702][ T521] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.405706][ T521] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.405708][ T521] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 22.405711][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.405713][ T521] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.405717][ T521] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.405721][ T521] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.405723][ T521] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.405728][ T521] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.405731][ T521] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.405733][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.405735][ T521] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 22.405738][ T521] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.405740][ T521] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.405743][ T521] vprintk_emit (kernel/printk/printk.c:2479) [ 22.405746][ T521] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.405749][ T521] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 22.405754][ T521] _printk (kernel/printk/printk.c:2504) [ 22.405757][ T521] ? snapshot_read.cold (user.c:?) [ 22.405759][ T521] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.405761][ T521] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.405764][ T521] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.405766][ T521] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 22.405769][ T521] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 22.405772][ T521] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.405774][ T521] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.405777][ T521] ? netdev_notice (net/core/dev.c:13194) [ 22.405780][ T521] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.405783][ T521] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.405785][ T521] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.405789][ T521] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.405791][ T521] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 22.405793][ T521] ? register_netdev (net/core/dev.c:11618) [ 22.405794][ T521] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 22.405799][ T521] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 22.405802][ T521] ? __kernel_text_address (kernel/extable.c:79) [ 22.405804][ T521] ? write_profile (profile.c:?) [ 22.405808][ T521] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 22.405814][ T521] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.405817][ T521] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.405819][ T521] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.405820][ T521] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.405822][ T521] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.405825][ T521] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.405827][ T521] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.405829][ T521] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.405831][ T521] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.405833][ T521] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.405834][ T521] ? kasan_save_track (mm/kasan/common.c:78) [ 22.405836][ T521] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 22.405841][ T521] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.405843][ T521] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 22.405847][ T521] ? ___sys_sendmsg (net/socket.c:2758) [ 22.405851][ T521] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.405854][ T521] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.405857][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.405859][ T521] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.405860][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.405861][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.405863][ T521] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.405866][ T521] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 22.405867][ T521] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.405869][ T521] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.405873][ T521] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.405874][ T521] ? nla_get_range_signed (lib/nlattr.c:270) [ 22.405879][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.405882][ T521] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.405888][ T521] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.405894][ T521] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.405896][ T521] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.405900][ T521] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.405902][ T521] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.405904][ T521] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.405906][ T521] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.405910][ T521] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.405912][ T521] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.405915][ T521] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.405916][ T521] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.405921][ T521] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.405923][ T521] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.405926][ T521] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.405929][ T521] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.405932][ T521] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.405939][ T521] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 22.405941][ T521] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 22.405945][ T521] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.405949][ T521] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.405952][ T521] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.405957][ T521] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.405961][ T521] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.405964][ T521] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.405966][ T521] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 22.405971][ T521] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.405974][ T521] ____sys_sendmsg (net/socket.c:2713) [ 22.405977][ T521] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.405979][ T521] ? sock_write_iter (net/socket.c:1269) [ 22.405981][ T521] ? move_addr_to_kernel (net/socket.c:258) [ 22.405988][ T521] ___sys_sendmsg (net/socket.c:2767) [ 22.405991][ T521] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.406008][ T521] __sys_sendmsg (net/socket.c:2799) [ 22.406011][ T521] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.406017][ T521] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.406020][ T521] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.406023][ T521] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.406026][ T521] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.406028][ T521] RIP: 0033:0x7f322db2754e [ 22.406032][ T521] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 22.406034][ T521] RSP: 002b:00007ffd6bcd3580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.406037][ T521] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f322db2754e [ 22.406038][ T521] RDX: 0000000000000000 RSI: 00007ffd6bcd3630 RDI: 0000000000000005 [ 22.406039][ T521] RBP: 00007ffd6bcd3590 R08: 0000000000000000 R09: 0000000000000000 [ 22.406040][ T521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91678d [ 22.406041][ T521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6bcd3cf0 | [ 24.259863][ T595] softirqs last disabled at (31276): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 24.259866][ T595] Preemption disabled at: | [ 24.259866][ T595] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.259875][ T595] Tainted: [W]=WARN [ 24.259876][ T595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.259877][ T595] Call Trace: [ 24.259879][ T595] [ 24.259881][ T595] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.259887][ T595] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.259888][ T595] __might_resched.cold (kernel/sched/core.c:9234) [ 24.259893][ T595] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.259897][ T595] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.259901][ T595] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 24.259903][ T595] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.259910][ T595] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.259913][ T595] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.259916][ T595] put_chars (drivers/char/virtio_console.c:1176) [ 24.259919][ T595] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.259920][ T595] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.259923][ T595] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.259926][ T595] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.259931][ T595] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.259935][ T595] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.259940][ T595] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.259943][ T595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.259948][ T595] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.259952][ T595] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.259953][ T595] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 24.259957][ T595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.259958][ T595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.259962][ T595] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.259966][ T595] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.259968][ T595] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.259973][ T595] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.259976][ T595] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.259978][ T595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.259980][ T595] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 24.259983][ T595] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.259985][ T595] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.259987][ T595] vprintk_emit (kernel/printk/printk.c:2479) [ 24.259991][ T595] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.259992][ T595] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.259995][ T595] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.259999][ T595] _printk (kernel/printk/printk.c:2504) [ 24.260002][ T595] ? snapshot_read.cold (user.c:?) [ 24.260006][ T595] ? br_multicast_flood (??:?) [ 24.260009][ T595] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 24.260010][ T595] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 24.260011][ T595] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.260015][ T595] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.260020][ T595] br_init_port (net/bridge/br_stp_if.c:39) [ 24.260022][ T595] new_nbp (net/bridge/br_if.c:449) [ 24.260026][ T595] br_add_if (net/bridge/br_if.c:592) [ 24.260028][ T595] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 24.260036][ T595] do_set_master (net/core/rtnetlink.c:3071) [ 24.260039][ T595] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 24.260043][ T595] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 24.260044][ T595] ? __dev_get_by_name (net/core/dev.c:905) [ 24.260047][ T595] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 24.260056][ T595] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 24.260063][ T595] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.260068][ T595] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.260070][ T595] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.260076][ T595] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.260080][ T595] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.260082][ T595] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.260085][ T595] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.260087][ T595] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.260091][ T595] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.260093][ T595] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.260097][ T595] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.260100][ T595] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.260103][ T595] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.260109][ T595] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 24.260111][ T595] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 24.260115][ T595] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.260119][ T595] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.260125][ T595] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.260129][ T595] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.260132][ T595] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.260134][ T595] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.260139][ T595] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.260143][ T595] ____sys_sendmsg (net/socket.c:2713) [ 24.260145][ T595] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.260148][ T595] ? sock_write_iter (net/socket.c:1269) [ 24.260149][ T595] ? move_addr_to_kernel (net/socket.c:258) [ 24.260154][ T595] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 24.260156][ T595] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.260160][ T595] ___sys_sendmsg (net/socket.c:2767) [ 24.260162][ T595] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 24.260164][ T595] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.260172][ T595] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 24.260187][ T595] __sys_sendmsg (net/socket.c:2799) [ 24.260190][ T595] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.260196][ T595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.260197][ T595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.260200][ T595] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.260204][ T595] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.260207][ T595] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.260209][ T595] RIP: 0033:0x7f4175bb854e [ 24.260213][ T595] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 24.260215][ T595] RSP: 002b:00007ffdde244cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.260217][ T595] RAX: ffffffffffffffda RBX: 00007ffdde245498 RCX: 00007f4175bb854e [ 24.260219][ T595] RDX: 0000000000000000 RSI: 00007ffdde244d80 RDI: 0000000000000005 [ 24.260220][ T595] RBP: 00007ffdde244ce0 R08: 0000000000000000 R09: 0000000000000000 [ 24.260220][ T595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91678f [ 24.260221][ T595] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdde245450 | [ 25.423193][ T632] softirqs last disabled at (15758): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 25.423196][ T632] Preemption disabled at: | [ 25.423196][ T632] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.423205][ T632] Tainted: [W]=WARN [ 25.423206][ T632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.423208][ T632] Call Trace: [ 25.423210][ T632] [ 25.423211][ T632] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.423217][ T632] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.423219][ T632] __might_resched.cold (kernel/sched/core.c:9234) [ 25.423223][ T632] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.423227][ T632] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.423232][ T632] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.423234][ T632] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.423240][ T632] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.423243][ T632] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.423247][ T632] put_chars (drivers/char/virtio_console.c:1176) [ 25.423249][ T632] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.423256][ T632] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.423263][ T632] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.423267][ T632] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.423271][ T632] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.423275][ T632] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.423277][ T632] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.423281][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423283][ T632] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.423287][ T632] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.423292][ T632] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.423294][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.423299][ T632] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.423302][ T632] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.423304][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423306][ T632] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.423309][ T632] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.423311][ T632] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.423314][ T632] vprintk_emit (kernel/printk/printk.c:2479) [ 25.423317][ T632] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.423320][ T632] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 25.423325][ T632] _printk (kernel/printk/printk.c:2504) [ 25.423328][ T632] ? snapshot_read.cold (user.c:?) [ 25.423330][ T632] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.423333][ T632] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.423335][ T632] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.423338][ T632] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.423342][ T632] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.423344][ T632] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.423347][ T632] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.423350][ T632] ? netdev_notice (net/core/dev.c:13194) [ 25.423352][ T632] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.423355][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.423358][ T632] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.423362][ T632] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.423364][ T632] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 25.423366][ T632] ? register_netdev (net/core/dev.c:11618) [ 25.423367][ T632] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 25.423373][ T632] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 25.423375][ T632] ? __kernel_text_address (kernel/extable.c:79) [ 25.423378][ T632] ? write_profile (profile.c:?) [ 25.423382][ T632] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 25.423388][ T632] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.423391][ T632] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.423394][ T632] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.423395][ T632] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.423397][ T632] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.423400][ T632] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.423402][ T632] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.423404][ T632] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.423406][ T632] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.423408][ T632] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.423409][ T632] ? kasan_save_track (mm/kasan/common.c:78) [ 25.423411][ T632] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.423413][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.423415][ T632] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.423418][ T632] ? ___sys_sendmsg (net/socket.c:2758) [ 25.423422][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.423424][ T632] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.423427][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423428][ T632] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.423430][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423431][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423433][ T632] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.423435][ T632] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 25.423436][ T632] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.423438][ T632] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.423442][ T632] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.423443][ T632] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.423448][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423450][ T632] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.423456][ T632] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.423461][ T632] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.423463][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.423468][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.423469][ T632] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.423471][ T632] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.423473][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.423477][ T632] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.423479][ T632] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.423486][ T632] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.423488][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.423492][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.423494][ T632] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.423498][ T632] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.423501][ T632] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.423504][ T632] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.423511][ T632] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 25.423513][ T632] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 25.423517][ T632] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.423521][ T632] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.423524][ T632] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.423528][ T632] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.423533][ T632] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.423536][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.423538][ T632] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.423544][ T632] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.423547][ T632] ____sys_sendmsg (net/socket.c:2713) [ 25.423549][ T632] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.423551][ T632] ? sock_write_iter (net/socket.c:1269) [ 25.423553][ T632] ? move_addr_to_kernel (net/socket.c:258) [ 25.423560][ T632] ___sys_sendmsg (net/socket.c:2767) [ 25.423563][ T632] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.423580][ T632] __sys_sendmsg (net/socket.c:2799) [ 25.423583][ T632] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.423589][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.423592][ T632] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.423595][ T632] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.423598][ T632] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.423600][ T632] RIP: 0033:0x7f28081ec54e [ 25.423604][ T632] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.423606][ T632] RSP: 002b:00007ffcc6375090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.423608][ T632] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f28081ec54e [ 25.423610][ T632] RDX: 0000000000000000 RSI: 00007ffcc6375140 RDI: 0000000000000005 [ 25.423611][ T632] RBP: 00007ffcc63750a0 R08: 0000000000000000 R09: 0000000000000000 [ 25.423611][ T632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916790 [ 25.423612][ T632] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc6375800 | [ 25.492484][ C0] | [ 25.492485][ C0] | [ 25.492485][ C0] stack backtrace: | [ 25.492491][ C0] Tainted: [W]=WARN [ 25.492492][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.492493][ C0] Call Trace: [ 25.492494][ C0] [ 25.492496][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.492500][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 25.492503][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 25.492504][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 25.492507][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 25.492509][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 25.492511][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 25.492513][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.492515][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.492518][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.492520][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.492522][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.492524][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.492526][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 25.492528][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.492530][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.492532][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.492533][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.492535][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.492537][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.492539][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.492542][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.492544][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.492545][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.492546][ C0] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.492548][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.492551][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.492552][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 25.492554][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.492555][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 25.492557][ C0] _printk (kernel/printk/printk.c:2504) [ 25.492559][ C0] ? snapshot_read.cold (user.c:?) [ 25.492561][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 25.492563][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.492565][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 25.492567][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 25.492569][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 25.492570][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 25.492572][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 25.492574][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 25.492577][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.492579][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.492581][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.492583][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 25.492584][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 25.492587][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 25.492589][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.492591][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.492594][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 25.492596][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 25.492598][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.492599][ C0] handle_softirqs (kernel/softirq.c:645) [ 25.492601][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.492603][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.492605][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 25.492607][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 25.492608][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 25.492610][ C0] [ 25.492611][ C0] [ 25.492611][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 25.492613][ C0] RIP: 0010:lock_release (kernel/locking/lockdep.c:5917) [ 25.492616][ C0] Code: 24 20 4c 89 74 24 28 4c 89 7c 24 30 e8 ec eb 84 02 90 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 83 ec 20 48 89 5c 24 08 <48> 89 fb 4c 89 74 24 10 49 89 f6 0f 1f 44 00 00 65 8b 05 84 2b ed All code ======== 0: 24 20 and $0x20,%al 2: 4c 89 74 24 28 mov %r14,0x28(%rsp) 7: 4c 89 7c 24 30 mov %r15,0x30(%rsp) c: e8 ec eb 84 02 call 0x284ebfd 11: 90 nop 12: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 19: 00 00 00 00 1d: f3 0f 1e fa endbr64 21: 48 83 ec 20 sub $0x20,%rsp 25: 48 89 5c 24 08 mov %rbx,0x8(%rsp) 2a:* 48 89 fb mov %rdi,%rbx <-- trapping instruction 2d: 4c 89 74 24 10 mov %r14,0x10(%rsp) 32: 49 89 f6 mov %rsi,%r14 35: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 3a: 65 gs 3b: 8b .byte 0x8b 3c: 05 .byte 0x5 3d: 84 2b test %ch,(%rbx) 3f: ed in (%dx),%eax Code starting with the faulting instruction =========================================== 0: 48 89 fb mov %rdi,%rbx 3: 4c 89 74 24 10 mov %r14,0x10(%rsp) 8: 49 89 f6 mov %rsi,%r14 b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 10: 65 gs 11: 8b .byte 0x8b 12: 05 .byte 0x5 13: 84 2b test %ch,(%rbx) 15: ed in (%dx),%eax [ 25.492617][ C0] RSP: 0018:ffa0000002227908 EFLAGS: 00000282 [ 25.492620][ C0] RAX: 0000000000000001 RBX: 1ff4000000444f2f RCX: 0000000000000000 [ 25.492621][ C0] RDX: 0000000000000003 RSI: ffffffff89169c11 RDI: ffffffff8cf94c00 [ 25.492622][ C0] RBP: ffa0000002227f00 R08: ffffffff8dcf1566 R09: ffffffff8da744c0 [ 25.492623][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffa0000002227e01 [ 25.492623][ C0] R13: ffa0000002227a30 R14: ff1100000ffb23c0 R15: ffffffff89c3ad2e [ 25.492624][ C0] ? fput_close_sync (fs/file_table.c:617) [ 25.492626][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) [ 25.492629][ C0] unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) [ 25.492630][ C0] ? fput_close_sync (fs/file_table.c:617) [ 25.492632][ C0] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 25.492634][ C0] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 25.492636][ C0] ? __unwind_start (arch/x86/kernel/unwind_orc.c:787) [ 25.492637][ C0] ? write_profile (profile.c:?) [ 25.492639][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 25.492641][ C0] ? __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 25.492642][ C0] stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.492644][ C0] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 25.492646][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 25.492649][ C0] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 25.492650][ C0] kasan_save_stack (mm/kasan/common.c:57) [ 25.492652][ C0] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.492653][ C0] ? kasan_save_track (mm/kasan/common.c:78) [ 25.492654][ C0] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.492655][ C0] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 25.492656][ C0] ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1)) [ 25.492657][ C0] ? fput_close_sync (fs/file_table.c:617) [ 25.492662][ C0] kasan_save_track (mm/kasan/common.c:78) [ 25.492663][ C0] __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.492665][ C0] __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 25.492666][ C0] ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1)) [ 25.492668][ C0] ? fput_close_sync (fs/file_table.c:617) [ 25.492669][ C0] kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1)) [ 25.492671][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.492672][ C0] fput_close_sync (fs/file_table.c:617) [ 25.492674][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 25.492676][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.492678][ C0] __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 25.492680][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.492681][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.492683][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.492684][ C0] RIP: 0033:0x7f6b8ef6e54e [ 25.492687][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.492688][ C0] RSP: 002b:00007ffc092ada00 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 25.492690][ C0] RAX: ffffffffffffffda RBX: 00000000fffffffe RCX: 00007f6b8ef6e54e [ 25.492691][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001f [ 25.492692][ C0] RBP: 00007ffc092ada10 R08: 0000000000000000 R09: 0000000000000000 [ 25.492692][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563dbb11db71 [ 25.492693][ C0] R13: 000000000000001f R14: 0000563dbafac9d0 R15: 0000000000000020 | [ 26.681815][ T698] softirqs last disabled at (0): 0x0 | [ 26.681817][ T698] Preemption disabled at: | [ 26.681817][ T698] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.681827][ T698] Tainted: [W]=WARN [ 26.681828][ T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.681830][ T698] Call Trace: [ 26.681831][ T698] [ 26.681833][ T698] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.681841][ T698] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.681842][ T698] __might_resched.cold (kernel/sched/core.c:9234) [ 26.681846][ T698] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 26.681848][ T698] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.681851][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681854][ T698] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.681857][ T698] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.681860][ T698] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.681865][ T698] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.681867][ T698] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.681869][ T698] put_chars (drivers/char/virtio_console.c:1176) [ 26.681871][ T698] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.681872][ T698] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 26.681875][ T698] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.681879][ T698] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.681881][ T698] ? vsnprintf (lib/vsprintf.c:2900) [ 26.681884][ T698] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.681886][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681887][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681888][ T698] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.681891][ T698] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.681893][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681894][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681895][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681896][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.681898][ T698] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.681900][ T698] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.681902][ T698] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.681905][ T698] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.681907][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.681908][ T698] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.681910][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681911][ T698] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.681912][ T698] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 26.681913][ T698] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 26.681915][ T698] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.681917][ T698] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.681918][ T698] vprintk_emit (kernel/printk/printk.c:2479) [ 26.681920][ T698] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.681921][ T698] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.681923][ T698] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 26.681925][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.681927][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681928][ T698] _printk (kernel/printk/printk.c:2504) [ 26.681931][ T698] ? snapshot_read.cold (user.c:?) [ 26.681933][ T698] ? br_multicast_flood (??:?) [ 26.681936][ T698] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 26.681939][ T698] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 26.681940][ T698] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.681942][ T698] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.681944][ T698] br_init_port (net/bridge/br_stp_if.c:39) [ 26.681946][ T698] new_nbp (net/bridge/br_if.c:449) [ 26.681948][ T698] br_add_if (net/bridge/br_if.c:592) [ 26.681950][ T698] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 26.681954][ T698] do_set_master (net/core/rtnetlink.c:3071) [ 26.681956][ T698] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 26.681957][ T698] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 26.681959][ T698] ? __dev_get_by_name (net/core/dev.c:905) [ 26.681960][ T698] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 26.681964][ T698] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 26.681967][ T698] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.681969][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681970][ T698] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.681971][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.681972][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681974][ T698] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 26.681976][ T698] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 26.681978][ T698] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 26.681980][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681981][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.681983][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.681984][ T698] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.681985][ T698] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.681987][ T698] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.681988][ T698] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 26.681989][ T698] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 26.681993][ T698] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.681996][ T698] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.681997][ T698] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.681999][ T698] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.682000][ T698] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 26.682003][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.682004][ T698] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.682006][ T698] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.682008][ T698] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.682010][ T698] ? next_uptodate_folio (mm/filemap.c:3747) [ 26.682013][ T698] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.682015][ T698] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.682017][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.682018][ T698] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.682021][ T698] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.682024][ T698] ____sys_sendmsg (net/socket.c:2713) [ 26.682026][ T698] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.682028][ T698] ? sock_write_iter (net/socket.c:1269) [ 26.682029][ T698] ? move_addr_to_kernel (net/socket.c:258) [ 26.682031][ T698] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 26.682033][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.682035][ T698] ___sys_sendmsg (net/socket.c:2767) [ 26.682037][ T698] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 26.682039][ T698] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.682040][ T698] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 26.682045][ T698] __sys_sendmsg (net/socket.c:2799) [ 26.682047][ T698] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.682049][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.682050][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.682051][ T698] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.682054][ T698] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.682056][ T698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.682058][ T698] RIP: 0033:0x7ff7e6a0254e [ 26.682060][ T698] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 26.682062][ T698] RSP: 002b:00007ffde77c1d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.682065][ T698] RAX: ffffffffffffffda RBX: 00007ffde77c24c8 RCX: 00007ff7e6a0254e [ 26.682066][ T698] RDX: 0000000000000000 RSI: 00007ffde77c1db0 RDI: 0000000000000005 [ 26.682067][ T698] RBP: 00007ffde77c1d10 R08: 0000000000000000 R09: 0000000000000000 [ 26.682068][ T698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916792 [ 26.682069][ T698] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde77c2480 | [ 32.932971][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 32.932974][ T12] Preemption disabled at: | [ 32.932974][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.932984][ T12] Tainted: [W]=WARN [ 32.932985][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.932987][ T12] Workqueue: netns cleanup_net [ 32.932993][ T12] Call Trace: [ 32.932994][ T12] [ 32.932996][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.933001][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.933002][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 32.933006][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 32.933008][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.933011][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933014][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.933016][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.933019][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.933024][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.933026][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.933028][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 32.933030][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.933031][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.933034][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.933038][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.933040][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 32.933042][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.933044][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933045][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933046][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.933049][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.933051][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933052][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933053][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933054][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.933056][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.933058][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.933060][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.933063][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.933064][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.933066][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.933068][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933068][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.933070][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 32.933071][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 32.933073][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.933075][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.933076][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 32.933078][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.933079][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 32.933080][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.933083][ T12] ? kthread (kernel/kthread.c:436) [ 32.933085][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 32.933087][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 32.933090][ T12] _printk (kernel/printk/printk.c:2504) [ 32.933093][ T12] ? snapshot_read.cold (user.c:?) [ 32.933095][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.933098][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.933100][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.933102][ T12] ? netdev_notice (net/core/dev.c:13194) [ 32.933104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933105][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 32.933106][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.933110][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 32.933111][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 32.933112][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 32.933114][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 32.933117][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 32.933121][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 32.933123][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 32.933125][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 32.933127][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 32.933129][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 32.933131][ T12] cleanup_net (net/core/net_namespace.c:706) [ 32.933133][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 32.933135][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.933137][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.933138][ T12] process_one_work (kernel/workqueue.c:3387) [ 32.933141][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.933143][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.933145][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.933147][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.933150][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.933152][ T12] kthread (kernel/kthread.c:436) [ 32.933153][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.933155][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.933156][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.933158][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.933160][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.933163][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.933164][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.153862][ T890] softirqs last disabled at (0): 0x0 | [ 34.153864][ T890] Preemption disabled at: | [ 34.153865][ T890] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.153874][ T890] Tainted: [W]=WARN [ 34.153875][ T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.153877][ T890] Call Trace: [ 34.153878][ T890] [ 34.153880][ T890] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.153885][ T890] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.153887][ T890] __might_resched.cold (kernel/sched/core.c:9234) [ 34.153890][ T890] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 34.153892][ T890] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.153896][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153898][ T890] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 34.153901][ T890] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.153904][ T890] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.153909][ T890] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 34.153911][ T890] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.153913][ T890] put_chars (drivers/char/virtio_console.c:1176) [ 34.153915][ T890] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.153916][ T890] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 34.153919][ T890] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.153923][ T890] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.153925][ T890] ? vsnprintf (lib/vsprintf.c:2900) [ 34.153928][ T890] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.153930][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153931][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153932][ T890] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.153935][ T890] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.153937][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153938][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153939][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153940][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.153943][ T890] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 34.153944][ T890] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.153947][ T890] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.153949][ T890] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.153951][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.153952][ T890] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.153954][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153955][ T890] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.153957][ T890] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 34.153958][ T890] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 34.153959][ T890] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.153961][ T890] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.153962][ T890] vprintk_emit (kernel/printk/printk.c:2479) [ 34.153964][ T890] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.153965][ T890] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.153967][ T890] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 34.153969][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.153971][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.153972][ T890] _printk (kernel/printk/printk.c:2504) [ 34.153975][ T890] ? snapshot_read.cold (user.c:?) [ 34.153977][ T890] ? br_multicast_flood (??:?) [ 34.153980][ T890] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 34.153983][ T890] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 34.153984][ T890] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.153986][ T890] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.153989][ T890] br_init_port (net/bridge/br_stp_if.c:39) [ 34.153991][ T890] new_nbp (net/bridge/br_if.c:449) [ 34.153993][ T890] br_add_if (net/bridge/br_if.c:592) [ 34.153995][ T890] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 34.153999][ T890] do_set_master (net/core/rtnetlink.c:3071) [ 34.154001][ T890] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 34.154002][ T890] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 34.154004][ T890] ? __dev_get_by_name (net/core/dev.c:905) [ 34.154005][ T890] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 34.154009][ T890] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 34.154011][ T890] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.154013][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154015][ T890] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.154016][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.154017][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154018][ T890] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 34.154021][ T890] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 34.154023][ T890] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 34.154025][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154026][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.154028][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154029][ T890] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.154030][ T890] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.154032][ T890] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.154033][ T890] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 34.154034][ T890] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 34.154038][ T890] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.154041][ T890] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.154042][ T890] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.154044][ T890] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.154045][ T890] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 34.154048][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154049][ T890] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.154051][ T890] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.154053][ T890] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.154055][ T890] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 34.154058][ T890] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 34.154060][ T890] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.154062][ T890] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.154064][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.154066][ T890] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.154069][ T890] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.154072][ T890] ____sys_sendmsg (net/socket.c:2713) [ 34.154073][ T890] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.154075][ T890] ? sock_write_iter (net/socket.c:1269) [ 34.154076][ T890] ? move_addr_to_kernel (net/socket.c:258) [ 34.154078][ T890] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 34.154081][ T890] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.154083][ T890] ___sys_sendmsg (net/socket.c:2767) [ 34.154084][ T890] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 34.154086][ T890] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.154088][ T890] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 34.154092][ T890] __sys_sendmsg (net/socket.c:2799) [ 34.154094][ T890] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.154096][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154097][ T890] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.154099][ T890] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.154101][ T890] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.154103][ T890] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.154105][ T890] RIP: 0033:0x7f3e3f67054e [ 34.154107][ T890] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 34.154108][ T890] RSP: 002b:00007ffed1d6e680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.154112][ T890] RAX: ffffffffffffffda RBX: 00007ffed1d6ee48 RCX: 00007f3e3f67054e [ 34.154113][ T890] RDX: 0000000000000000 RSI: 00007ffed1d6e730 RDI: 0000000000000005 [ 34.154114][ T890] RBP: 00007ffed1d6e690 R08: 0000000000000000 R09: 0000000000000000 [ 34.154115][ T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916799 [ 34.154116][ T890] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed1d6ee00 | [ 35.641977][ T960] softirqs last disabled at (0): 0x0 | [ 35.641978][ T960] Preemption disabled at: | [ 35.641979][ T960] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.641989][ T960] Tainted: [W]=WARN [ 35.641990][ T960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.641992][ T960] Call Trace: [ 35.641993][ T960] [ 35.641995][ T960] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.642000][ T960] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.642002][ T960] __might_resched.cold (kernel/sched/core.c:9234) [ 35.642006][ T960] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.642009][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642012][ T960] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.642015][ T960] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.642018][ T960] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.642023][ T960] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.642025][ T960] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.642027][ T960] put_chars (drivers/char/virtio_console.c:1176) [ 35.642029][ T960] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.642030][ T960] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 35.642032][ T960] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 35.642034][ T960] ? pointer (lib/vsprintf.c:2577) [ 35.642038][ T960] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.642042][ T960] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.642044][ T960] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.642046][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642048][ T960] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.642051][ T960] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.642053][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642054][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642055][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642056][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642058][ T960] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.642060][ T960] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.642062][ T960] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.642065][ T960] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.642067][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642068][ T960] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.642070][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642071][ T960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.642072][ T960] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 35.642074][ T960] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 35.642075][ T960] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.642077][ T960] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.642079][ T960] vprintk_emit (kernel/printk/printk.c:2479) [ 35.642080][ T960] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.642081][ T960] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 35.642084][ T960] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.642087][ T960] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 35.642089][ T960] _printk (kernel/printk/printk.c:2504) [ 35.642092][ T960] ? snapshot_read.cold (user.c:?) [ 35.642094][ T960] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 35.642096][ T960] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.642099][ T960] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.642101][ T960] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.642104][ T960] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.642106][ T960] ? netdev_notice (net/core/dev.c:13194) [ 35.642108][ T960] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 35.642110][ T960] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 35.642113][ T960] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.642114][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642115][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642116][ T960] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.642118][ T960] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 35.642119][ T960] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 35.642121][ T960] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.642122][ T960] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 35.642124][ T960] ? register_netdev (net/core/dev.c:11618) [ 35.642125][ T960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.642127][ T960] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 35.642130][ T960] ? __kernel_text_address (kernel/extable.c:79) [ 35.642132][ T960] ? write_profile (profile.c:?) [ 35.642135][ T960] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 35.642139][ T960] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.642141][ T960] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 35.642142][ T960] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 35.642143][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642144][ T960] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.642148][ T960] ? kasan_save_stack (mm/kasan/common.c:58) [ 35.642150][ T960] ? kasan_save_stack (mm/kasan/common.c:57) [ 35.642151][ T960] ? kasan_save_track (mm/kasan/common.c:78) [ 35.642152][ T960] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 35.642153][ T960] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 35.642154][ T960] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 35.642155][ T960] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.642156][ T960] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.642159][ T960] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.642160][ T960] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.642162][ T960] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 35.642164][ T960] ? ____sys_sendmsg (net/socket.c:2713) [ 35.642166][ T960] ? ___sys_sendmsg (net/socket.c:2767) [ 35.642167][ T960] ? __sys_sendmsg (net/socket.c:2799) [ 35.642169][ T960] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.642171][ T960] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.642173][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642175][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642176][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642177][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642178][ T960] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 35.642179][ T960] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 35.642181][ T960] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 35.642182][ T960] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 35.642183][ T960] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 35.642184][ T960] ? nla_get_range_signed (lib/nlattr.c:270) [ 35.642192][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642193][ T960] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 35.642195][ T960] rtnl_newlink (net/core/rtnetlink.c:4215) [ 35.642197][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642198][ T960] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.642199][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642201][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642202][ T960] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 35.642205][ T960] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 35.642206][ T960] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.642207][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642208][ T960] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.642212][ T960] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.642214][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642215][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642216][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642218][ T960] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.642219][ T960] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.642220][ T960] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.642222][ T960] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.642223][ T960] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.642225][ T960] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.642227][ T960] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.642228][ T960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.642230][ T960] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.642232][ T960] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 35.642235][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642236][ T960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.642238][ T960] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.642240][ T960] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.642242][ T960] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.642244][ T960] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.642246][ T960] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.642247][ T960] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.642249][ T960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.642250][ T960] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 35.642253][ T960] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 35.642255][ T960] ____sys_sendmsg (net/socket.c:2713) [ 35.642257][ T960] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.642259][ T960] ? sock_write_iter (net/socket.c:1269) [ 35.642260][ T960] ? move_addr_to_kernel (net/socket.c:258) [ 35.642261][ T960] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.642264][ T960] ___sys_sendmsg (net/socket.c:2767) [ 35.642266][ T960] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.642271][ T960] __sys_sendmsg (net/socket.c:2799) [ 35.642273][ T960] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.642275][ T960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.642277][ T960] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.642279][ T960] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.642281][ T960] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.642282][ T960] RIP: 0033:0x7f68ec3d754e [ 35.642284][ T960] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.642286][ T960] RSP: 002b:00007fffb548d610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.642289][ T960] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f68ec3d754e [ 35.642291][ T960] RDX: 0000000000000000 RSI: 00007fffb548d6c0 RDI: 0000000000000005 [ 35.642292][ T960] RBP: 00007fffb548d620 R08: 0000000000000000 R09: 0000000000000000 [ 35.642293][ T960] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91679b [ 35.642293][ T960] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb548dd80 | [ 36.728078][ T1010] softirqs last disabled at (0): 0x0 | [ 36.728080][ T1010] Preemption disabled at: | [ 36.728080][ T1010] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.728090][ T1010] Tainted: [W]=WARN [ 36.728091][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.728093][ T1010] Call Trace: [ 36.728095][ T1010] [ 36.728096][ T1010] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.728101][ T1010] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.728102][ T1010] __might_resched.cold (kernel/sched/core.c:9234) [ 36.728106][ T1010] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 36.728108][ T1010] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.728111][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728114][ T1010] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.728117][ T1010] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.728120][ T1010] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.728125][ T1010] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.728126][ T1010] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.728129][ T1010] put_chars (drivers/char/virtio_console.c:1176) [ 36.728130][ T1010] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.728132][ T1010] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 36.728135][ T1010] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.728139][ T1010] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.728141][ T1010] ? vsnprintf (lib/vsprintf.c:2900) [ 36.728144][ T1010] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.728145][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728146][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728148][ T1010] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.728151][ T1010] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.728153][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728154][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728155][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728156][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728158][ T1010] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.728160][ T1010] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.728162][ T1010] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.728165][ T1010] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.728167][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728168][ T1010] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.728170][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728171][ T1010] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.728172][ T1010] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 36.728174][ T1010] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 36.728175][ T1010] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.728177][ T1010] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.728178][ T1010] vprintk_emit (kernel/printk/printk.c:2479) [ 36.728180][ T1010] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.728181][ T1010] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.728183][ T1010] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.728185][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728187][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728192][ T1010] _printk (kernel/printk/printk.c:2504) [ 36.728196][ T1010] ? snapshot_read.cold (user.c:?) [ 36.728198][ T1010] ? br_multicast_flood (??:?) [ 36.728201][ T1010] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 36.728204][ T1010] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 36.728205][ T1010] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.728206][ T1010] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.728209][ T1010] br_init_port (net/bridge/br_stp_if.c:39) [ 36.728211][ T1010] new_nbp (net/bridge/br_if.c:449) [ 36.728213][ T1010] br_add_if (net/bridge/br_if.c:592) [ 36.728214][ T1010] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 36.728219][ T1010] do_set_master (net/core/rtnetlink.c:3071) [ 36.728220][ T1010] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 36.728222][ T1010] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 36.728223][ T1010] ? __dev_get_by_name (net/core/dev.c:905) [ 36.728225][ T1010] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 36.728229][ T1010] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 36.728231][ T1010] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.728233][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728234][ T1010] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.728235][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728237][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728238][ T1010] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 36.728241][ T1010] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 36.728242][ T1010] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 36.728245][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728246][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728247][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728248][ T1010] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.728249][ T1010] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.728251][ T1010] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.728252][ T1010] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.728254][ T1010] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.728257][ T1010] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.728260][ T1010] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.728261][ T1010] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.728263][ T1010] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.728264][ T1010] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 36.728267][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728268][ T1010] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.728270][ T1010] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.728272][ T1010] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.728274][ T1010] ? next_uptodate_folio (mm/filemap.c:3747) [ 36.728277][ T1010] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.728279][ T1010] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.728281][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728282][ T1010] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.728286][ T1010] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.728289][ T1010] ____sys_sendmsg (net/socket.c:2713) [ 36.728290][ T1010] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.728292][ T1010] ? sock_write_iter (net/socket.c:1269) [ 36.728293][ T1010] ? move_addr_to_kernel (net/socket.c:258) [ 36.728295][ T1010] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 36.728298][ T1010] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.728300][ T1010] ___sys_sendmsg (net/socket.c:2767) [ 36.728301][ T1010] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 36.728303][ T1010] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.728304][ T1010] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 36.728309][ T1010] __sys_sendmsg (net/socket.c:2799) [ 36.728311][ T1010] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.728313][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728314][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.728316][ T1010] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.728318][ T1010] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.728320][ T1010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.728322][ T1010] RIP: 0033:0x7f6f6b27854e [ 36.728324][ T1010] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 36.728325][ T1010] RSP: 002b:00007fff5b9ce0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.728329][ T1010] RAX: ffffffffffffffda RBX: 00007fff5b9ce888 RCX: 00007f6f6b27854e [ 36.728330][ T1010] RDX: 0000000000000000 RSI: 00007fff5b9ce170 RDI: 0000000000000005 [ 36.728331][ T1010] RBP: 00007fff5b9ce0d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.728332][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91679c [ 36.728333][ T1010] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5b9ce840 | [ 42.988616][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 42.988618][ T12] Preemption disabled at: | [ 42.988618][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.988628][ T12] Tainted: [W]=WARN [ 42.988629][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.988631][ T12] Workqueue: netns cleanup_net [ 42.988637][ T12] Call Trace: [ 42.988638][ T12] [ 42.988640][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.988645][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.988647][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 42.988650][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 42.988653][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.988656][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988658][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.988661][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.988664][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.988668][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.988670][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.988673][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 42.988674][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.988676][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 42.988678][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.988682][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.988684][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 42.988686][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.988688][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988689][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988691][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.988693][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.988695][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988697][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988698][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988699][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.988701][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.988703][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.988705][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.988708][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.988709][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.988711][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.988713][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988713][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.988715][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 42.988716][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 42.988718][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.988719][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.988721][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 42.988722][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.988723][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 42.988725][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.988727][ T12] ? kthread (kernel/kthread.c:436) [ 42.988729][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 42.988732][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 42.988735][ T12] _printk (kernel/printk/printk.c:2504) [ 42.988737][ T12] ? snapshot_read.cold (user.c:?) [ 42.988740][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.988743][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.988745][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.988747][ T12] ? netdev_notice (net/core/dev.c:13194) [ 42.988749][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988750][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 42.988752][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 42.988754][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 42.988756][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 42.988757][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 42.988759][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 42.988762][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 42.988765][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 42.988767][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 42.988770][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 42.988772][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 42.988774][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 42.988777][ T12] cleanup_net (net/core/net_namespace.c:706) [ 42.988778][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 42.988780][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.988782][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.988783][ T12] process_one_work (kernel/workqueue.c:3387) [ 42.988786][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.988788][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.988790][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.988792][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.988795][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.988797][ T12] kthread (kernel/kthread.c:436) [ 42.988799][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.988800][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.988802][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.988804][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.988805][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.988808][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.988810][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.239868][ T1204] softirqs last disabled at (0): 0x0 | [ 44.239869][ T1204] Preemption disabled at: | [ 44.239870][ T1204] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.239880][ T1204] Tainted: [W]=WARN [ 44.239881][ T1204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.239882][ T1204] Call Trace: [ 44.239884][ T1204] [ 44.239885][ T1204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.239891][ T1204] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.239892][ T1204] __might_resched.cold (kernel/sched/core.c:9234) [ 44.239896][ T1204] ? memchr (lib/string.c:790 (discriminator 1)) [ 44.239900][ T1204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.239903][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239906][ T1204] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.239909][ T1204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.239912][ T1204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.239917][ T1204] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.239919][ T1204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.239921][ T1204] put_chars (drivers/char/virtio_console.c:1176) [ 44.239923][ T1204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.239925][ T1204] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 44.239927][ T1204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.239932][ T1204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.239934][ T1204] ? vsnprintf (lib/vsprintf.c:2900) [ 44.239936][ T1204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.239937][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239938][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239940][ T1204] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.239943][ T1204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.239945][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239946][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239947][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239948][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.239950][ T1204] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 44.239952][ T1204] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.239954][ T1204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.239957][ T1204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.239959][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.239961][ T1204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.239962][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239963][ T1204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.239965][ T1204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 44.239966][ T1204] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 44.239968][ T1204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.239970][ T1204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.239971][ T1204] vprintk_emit (kernel/printk/printk.c:2479) [ 44.239973][ T1204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.239974][ T1204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.239976][ T1204] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 44.239979][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.239980][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.239982][ T1204] _printk (kernel/printk/printk.c:2504) [ 44.239985][ T1204] ? snapshot_read.cold (user.c:?) [ 44.239987][ T1204] ? br_multicast_flood (??:?) [ 44.239990][ T1204] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 44.239993][ T1204] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 44.239994][ T1204] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 44.239996][ T1204] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 44.239999][ T1204] br_init_port (net/bridge/br_stp_if.c:39) [ 44.240001][ T1204] new_nbp (net/bridge/br_if.c:449) [ 44.240003][ T1204] br_add_if (net/bridge/br_if.c:592) [ 44.240005][ T1204] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 44.240009][ T1204] do_set_master (net/core/rtnetlink.c:3071) [ 44.240011][ T1204] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 44.240012][ T1204] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 44.240014][ T1204] ? __dev_get_by_name (net/core/dev.c:905) [ 44.240015][ T1204] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 44.240019][ T1204] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 44.240022][ T1204] rtnl_newlink (net/core/rtnetlink.c:4215) [ 44.240024][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240025][ T1204] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.240026][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.240028][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240029][ T1204] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 44.240032][ T1204] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 44.240034][ T1204] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 44.240036][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240037][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.240039][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240040][ T1204] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.240041][ T1204] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.240043][ T1204] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.240044][ T1204] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 44.240046][ T1204] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 44.240050][ T1204] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.240053][ T1204] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.240054][ T1204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.240056][ T1204] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.240057][ T1204] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 44.240060][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240061][ T1204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.240063][ T1204] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.240066][ T1204] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.240068][ T1204] ? next_uptodate_folio (mm/filemap.c:3747) [ 44.240070][ T1204] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.240073][ T1204] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.240075][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.240076][ T1204] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 44.240080][ T1204] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 44.240083][ T1204] ____sys_sendmsg (net/socket.c:2713) [ 44.240085][ T1204] ? copy_msghdr_from_user (net/socket.c:2650) [ 44.240086][ T1204] ? sock_write_iter (net/socket.c:1269) [ 44.240088][ T1204] ? move_addr_to_kernel (net/socket.c:258) [ 44.240090][ T1204] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 44.240092][ T1204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.240094][ T1204] ___sys_sendmsg (net/socket.c:2767) [ 44.240096][ T1204] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 44.240098][ T1204] ? copy_msghdr_from_user (net/socket.c:2619) [ 44.240099][ T1204] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 44.240104][ T1204] __sys_sendmsg (net/socket.c:2799) [ 44.240106][ T1204] ? __sys_sendmsg_sock (net/socket.c:2780) [ 44.240109][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240110][ T1204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.240111][ T1204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.240114][ T1204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.240116][ T1204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.240118][ T1204] RIP: 0033:0x7fa37bec354e [ 44.240120][ T1204] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 44.240121][ T1204] RSP: 002b:00007fff480f9730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 44.240125][ T1204] RAX: ffffffffffffffda RBX: 00007fff480f9ef8 RCX: 00007fa37bec354e [ 44.240126][ T1204] RDX: 0000000000000000 RSI: 00007fff480f97e0 RDI: 0000000000000005 [ 44.240127][ T1204] RBP: 00007fff480f9740 R08: 0000000000000000 R09: 0000000000000000 [ 44.240128][ T1204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167a3 [ 44.240129][ T1204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff480f9eb0 | [ 45.636159][ T1273] softirqs last disabled at (0): 0x0 | [ 45.636161][ T1273] Preemption disabled at: | [ 45.636161][ T1273] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.636172][ T1273] Tainted: [W]=WARN [ 45.636172][ T1273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.636174][ T1273] Call Trace: [ 45.636175][ T1273] [ 45.636177][ T1273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.636182][ T1273] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.636184][ T1273] __might_resched.cold (kernel/sched/core.c:9234) [ 45.636188][ T1273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.636191][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636193][ T1273] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.636196][ T1273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.636199][ T1273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.636208][ T1273] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.636210][ T1273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.636212][ T1273] put_chars (drivers/char/virtio_console.c:1176) [ 45.636214][ T1273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.636215][ T1273] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 45.636217][ T1273] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 45.636219][ T1273] ? pointer (lib/vsprintf.c:2577) [ 45.636223][ T1273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.636227][ T1273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.636229][ T1273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.636231][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636234][ T1273] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.636236][ T1273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.636238][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636239][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636240][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636241][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636243][ T1273] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.636245][ T1273] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.636247][ T1273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.636250][ T1273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.636252][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636253][ T1273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.636255][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636256][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.636257][ T1273] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 45.636259][ T1273] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 45.636260][ T1273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.636262][ T1273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.636263][ T1273] vprintk_emit (kernel/printk/printk.c:2479) [ 45.636265][ T1273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.636266][ T1273] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 45.636269][ T1273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.636272][ T1273] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 45.636274][ T1273] _printk (kernel/printk/printk.c:2504) [ 45.636277][ T1273] ? snapshot_read.cold (user.c:?) [ 45.636279][ T1273] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 45.636281][ T1273] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.636284][ T1273] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.636286][ T1273] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.636289][ T1273] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.636291][ T1273] ? netdev_notice (net/core/dev.c:13194) [ 45.636293][ T1273] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 45.636295][ T1273] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 45.636297][ T1273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.636299][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636300][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636301][ T1273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.636302][ T1273] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 45.636304][ T1273] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 45.636305][ T1273] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.636306][ T1273] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 45.636308][ T1273] ? register_netdev (net/core/dev.c:11618) [ 45.636309][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.636311][ T1273] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 45.636313][ T1273] ? __kernel_text_address (kernel/extable.c:79) [ 45.636316][ T1273] ? write_profile (profile.c:?) [ 45.636318][ T1273] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 45.636322][ T1273] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.636324][ T1273] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 45.636325][ T1273] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 45.636326][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636327][ T1273] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.636331][ T1273] ? kasan_save_stack (mm/kasan/common.c:58) [ 45.636333][ T1273] ? kasan_save_stack (mm/kasan/common.c:57) [ 45.636334][ T1273] ? kasan_save_track (mm/kasan/common.c:78) [ 45.636335][ T1273] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 45.636336][ T1273] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 45.636337][ T1273] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 45.636338][ T1273] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.636339][ T1273] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.636342][ T1273] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.636343][ T1273] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.636345][ T1273] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.636347][ T1273] ? ____sys_sendmsg (net/socket.c:2713) [ 45.636348][ T1273] ? ___sys_sendmsg (net/socket.c:2767) [ 45.636350][ T1273] ? __sys_sendmsg (net/socket.c:2799) [ 45.636351][ T1273] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.636354][ T1273] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.636356][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636357][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636359][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636359][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636360][ T1273] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 45.636362][ T1273] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 45.636363][ T1273] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.636364][ T1273] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.636366][ T1273] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 45.636367][ T1273] ? nla_get_range_signed (lib/nlattr.c:270) [ 45.636370][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636371][ T1273] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 45.636373][ T1273] rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.636375][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636376][ T1273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.636377][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636379][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636380][ T1273] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 45.636382][ T1273] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 45.636384][ T1273] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.636385][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636386][ T1273] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 45.636389][ T1273] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 45.636392][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636393][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636394][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636395][ T1273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.636397][ T1273] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.636398][ T1273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.636399][ T1273] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.636401][ T1273] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.636403][ T1273] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.636405][ T1273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.636406][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.636408][ T1273] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.636409][ T1273] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 45.636412][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636413][ T1273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.636415][ T1273] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.636417][ T1273] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.636419][ T1273] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.636421][ T1273] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.636423][ T1273] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.636424][ T1273] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.636426][ T1273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.636427][ T1273] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 45.636431][ T1273] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.636432][ T1273] ____sys_sendmsg (net/socket.c:2713) [ 45.636434][ T1273] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.636435][ T1273] ? sock_write_iter (net/socket.c:1269) [ 45.636437][ T1273] ? move_addr_to_kernel (net/socket.c:258) [ 45.636438][ T1273] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.636441][ T1273] ___sys_sendmsg (net/socket.c:2767) [ 45.636443][ T1273] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.636447][ T1273] __sys_sendmsg (net/socket.c:2799) [ 45.636449][ T1273] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.636452][ T1273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.636453][ T1273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.636455][ T1273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.636457][ T1273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.636458][ T1273] RIP: 0033:0x7ff42433154e [ 45.636460][ T1273] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 45.636461][ T1273] RSP: 002b:00007ffc3ac0a680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.636465][ T1273] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff42433154e [ 45.636466][ T1273] RDX: 0000000000000000 RSI: 00007ffc3ac0a730 RDI: 0000000000000005 [ 45.636467][ T1273] RBP: 00007ffc3ac0a690 R08: 0000000000000000 R09: 0000000000000000 [ 45.636468][ T1273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167a5 [ 45.636468][ T1273] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3ac0adf0 | [ 46.740200][ T1323] softirqs last disabled at (0): 0x0 | [ 46.740202][ T1323] Preemption disabled at: | [ 46.740202][ T1323] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.740217][ T1323] Tainted: [W]=WARN [ 46.740218][ T1323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.740219][ T1323] Call Trace: [ 46.740221][ T1323] [ 46.740222][ T1323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.740228][ T1323] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.740229][ T1323] __might_resched.cold (kernel/sched/core.c:9234) [ 46.740232][ T1323] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 46.740235][ T1323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.740238][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740240][ T1323] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.740243][ T1323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.740246][ T1323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.740251][ T1323] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.740252][ T1323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.740255][ T1323] put_chars (drivers/char/virtio_console.c:1176) [ 46.740256][ T1323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.740258][ T1323] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 46.740261][ T1323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.740266][ T1323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.740267][ T1323] ? vsnprintf (lib/vsprintf.c:2900) [ 46.740270][ T1323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.740272][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740273][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740275][ T1323] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.740277][ T1323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.740279][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740280][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740281][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740282][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740284][ T1323] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 46.740286][ T1323] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.740288][ T1323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.740291][ T1323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.740293][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740294][ T1323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.740296][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740297][ T1323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.740298][ T1323] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 46.740300][ T1323] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 46.740301][ T1323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.740303][ T1323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.740304][ T1323] vprintk_emit (kernel/printk/printk.c:2479) [ 46.740306][ T1323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.740307][ T1323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.740309][ T1323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.740311][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740313][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740314][ T1323] _printk (kernel/printk/printk.c:2504) [ 46.740317][ T1323] ? snapshot_read.cold (user.c:?) [ 46.740319][ T1323] ? br_multicast_flood (??:?) [ 46.740323][ T1323] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 46.740325][ T1323] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 46.740326][ T1323] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.740328][ T1323] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 46.740330][ T1323] br_init_port (net/bridge/br_stp_if.c:39) [ 46.740332][ T1323] new_nbp (net/bridge/br_if.c:449) [ 46.740334][ T1323] br_add_if (net/bridge/br_if.c:592) [ 46.740336][ T1323] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 46.740340][ T1323] do_set_master (net/core/rtnetlink.c:3071) [ 46.740342][ T1323] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 46.740343][ T1323] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 46.740345][ T1323] ? __dev_get_by_name (net/core/dev.c:905) [ 46.740346][ T1323] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 46.740350][ T1323] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 46.740353][ T1323] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.740354][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740356][ T1323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.740357][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740358][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740359][ T1323] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 46.740362][ T1323] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.740363][ T1323] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 46.740366][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740367][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740368][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740369][ T1323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.740370][ T1323] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.740372][ T1323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.740373][ T1323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.740375][ T1323] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 46.740378][ T1323] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.740381][ T1323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.740382][ T1323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.740384][ T1323] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.740385][ T1323] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 46.740388][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740389][ T1323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.740391][ T1323] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.740393][ T1323] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.740395][ T1323] ? next_uptodate_folio (mm/filemap.c:3747) [ 46.740398][ T1323] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.740400][ T1323] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.740402][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740403][ T1323] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.740407][ T1323] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.740410][ T1323] ____sys_sendmsg (net/socket.c:2713) [ 46.740411][ T1323] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.740413][ T1323] ? sock_write_iter (net/socket.c:1269) [ 46.740414][ T1323] ? move_addr_to_kernel (net/socket.c:258) [ 46.740416][ T1323] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 46.740419][ T1323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.740420][ T1323] ___sys_sendmsg (net/socket.c:2767) [ 46.740422][ T1323] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 46.740424][ T1323] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.740425][ T1323] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 46.740429][ T1323] __sys_sendmsg (net/socket.c:2799) [ 46.740431][ T1323] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.740434][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740435][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.740436][ T1323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.740439][ T1323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.740440][ T1323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.740442][ T1323] RIP: 0033:0x7f26b15d954e [ 46.740444][ T1323] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.740446][ T1323] RSP: 002b:00007ffd70f791c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.740449][ T1323] RAX: ffffffffffffffda RBX: 00007ffd70f79988 RCX: 00007f26b15d954e [ 46.740451][ T1323] RDX: 0000000000000000 RSI: 00007ffd70f79270 RDI: 0000000000000005 [ 46.740452][ T1323] RBP: 00007ffd70f791d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.740453][ T1323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167a6 [ 46.740453][ T1323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd70f79940 | [ 53.156806][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 53.156808][ T12] Preemption disabled at: | [ 53.156809][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 53.156820][ T12] Tainted: [W]=WARN [ 53.156821][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.156822][ T12] Workqueue: netns cleanup_net [ 53.156828][ T12] Call Trace: [ 53.156830][ T12] [ 53.156831][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.156836][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 53.156841][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 53.156844][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 53.156847][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.156850][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156853][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 53.156856][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.156859][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.156864][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 53.156866][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.156868][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 53.156870][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.156872][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 53.156874][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.156879][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.156880][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 53.156883][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.156884][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156885][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156887][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.156890][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.156892][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156893][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156894][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156895][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.156897][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 53.156899][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.156901][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.156904][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.156906][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.156908][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.156909][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156910][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 53.156912][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 53.156914][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 53.156915][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.156917][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.156919][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 53.156921][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.156922][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 53.156924][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.156927][ T12] ? kthread (kernel/kthread.c:436) [ 53.156929][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 53.156932][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 53.156935][ T12] _printk (kernel/printk/printk.c:2504) [ 53.156938][ T12] ? snapshot_read.cold (user.c:?) [ 53.156940][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 53.156944][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 53.156946][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 53.156949][ T12] ? netdev_notice (net/core/dev.c:13194) [ 53.156951][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156953][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 53.156954][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 53.156957][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 53.156959][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 53.156960][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 53.156962][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 53.156965][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 53.156969][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 53.156972][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 53.156975][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 53.156977][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 53.156979][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 53.156982][ T12] cleanup_net (net/core/net_namespace.c:706) [ 53.156984][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 53.156987][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.156988][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.156990][ T12] process_one_work (kernel/workqueue.c:3387) [ 53.156994][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 53.156996][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.156998][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.157001][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.157005][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.157007][ T12] kthread (kernel/kthread.c:436) [ 53.157009][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.157010][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.157013][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 53.157015][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 53.157017][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 53.157020][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.157022][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 54.476448][ T1516] softirqs last disabled at (0): 0x0 | [ 54.476450][ T1516] Preemption disabled at: | [ 54.476451][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 54.476461][ T1516] Tainted: [W]=WARN [ 54.476462][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.476463][ T1516] Call Trace: [ 54.476465][ T1516] [ 54.476466][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.476472][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 54.476473][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 54.476477][ T1516] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 54.476479][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.476482][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476485][ T1516] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 54.476487][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.476491][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.476496][ T1516] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 54.476497][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.476500][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 54.476501][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.476503][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 54.476505][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.476510][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.476511][ T1516] ? vsnprintf (lib/vsprintf.c:2900) [ 54.476514][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.476516][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476517][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476519][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.476521][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.476523][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476524][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476525][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476526][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476528][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 54.476530][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.476532][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.476535][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.476537][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476538][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.476540][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476541][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.476542][ T1516] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 54.476543][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 54.476545][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.476546][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.476548][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 54.476549][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.476550][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.476552][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.476555][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476556][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476557][ T1516] _printk (kernel/printk/printk.c:2504) [ 54.476561][ T1516] ? snapshot_read.cold (user.c:?) [ 54.476562][ T1516] ? br_multicast_flood (??:?) [ 54.476566][ T1516] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 54.476568][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 54.476569][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 54.476571][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 54.476574][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 54.476576][ T1516] new_nbp (net/bridge/br_if.c:449) [ 54.476578][ T1516] br_add_if (net/bridge/br_if.c:592) [ 54.476579][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 54.476584][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 54.476585][ T1516] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 54.476587][ T1516] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 54.476588][ T1516] ? __dev_get_by_name (net/core/dev.c:905) [ 54.476590][ T1516] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 54.476594][ T1516] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 54.476596][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 54.476598][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476600][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 54.476601][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476602][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476603][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 54.476606][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 54.476608][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 54.476611][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476612][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476613][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476614][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 54.476616][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 54.476617][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 54.476619][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.476620][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 54.476624][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 54.476627][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 54.476628][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.476629][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 54.476631][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 54.476634][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476635][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.476637][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 54.476639][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 54.476641][ T1516] ? next_uptodate_folio (mm/filemap.c:3747) [ 54.476644][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 54.476646][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 54.476648][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476649][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 54.476653][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 54.476655][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 54.476657][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 54.476659][ T1516] ? sock_write_iter (net/socket.c:1269) [ 54.476660][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 54.476662][ T1516] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 54.476664][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.476666][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 54.476668][ T1516] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 54.476669][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 54.476671][ T1516] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 54.476676][ T1516] __sys_sendmsg (net/socket.c:2799) [ 54.476678][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 54.476680][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476681][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.476682][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 54.476685][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 54.476687][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.476689][ T1516] RIP: 0033:0x7f99bcb2554e [ 54.476691][ T1516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 54.476693][ T1516] RSP: 002b:00007fffc28a22e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 54.476696][ T1516] RAX: ffffffffffffffda RBX: 00007fffc28a2aa8 RCX: 00007f99bcb2554e [ 54.476697][ T1516] RDX: 0000000000000000 RSI: 00007fffc28a2390 RDI: 0000000000000005 [ 54.476699][ T1516] RBP: 00007fffc28a22f0 R08: 0000000000000000 R09: 0000000000000000 [ 54.476699][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167ad [ 54.476700][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc28a2a60 | [ 55.834220][ T1584] softirqs last disabled at (0): 0x0 | [ 55.834222][ T1584] Preemption disabled at: | [ 55.834227][ T1584] vprintk_emit (kernel/printk/printk.c:2471) | [ 55.834237][ T1584] Tainted: [W]=WARN [ 55.834238][ T1584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.834239][ T1584] Call Trace: [ 55.834241][ T1584] [ 55.834242][ T1584] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.834247][ T1584] ? vprintk_emit (kernel/printk/printk.c:2471) [ 55.834249][ T1584] __might_resched.cold (kernel/sched/core.c:9234) [ 55.834253][ T1584] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.834256][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834259][ T1584] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 55.834262][ T1584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.834265][ T1584] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.834270][ T1584] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 55.834272][ T1584] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.834275][ T1584] put_chars (drivers/char/virtio_console.c:1176) [ 55.834276][ T1584] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.834277][ T1584] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 55.834280][ T1584] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 55.834282][ T1584] ? pointer (lib/vsprintf.c:2577) [ 55.834285][ T1584] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.834290][ T1584] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.834291][ T1584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.834293][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834296][ T1584] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.834299][ T1584] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.834301][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834302][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834303][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834304][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834306][ T1584] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 55.834307][ T1584] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.834310][ T1584] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.834312][ T1584] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.834314][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834316][ T1584] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.834318][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834319][ T1584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.834320][ T1584] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 55.834322][ T1584] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 55.834323][ T1584] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.834325][ T1584] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.834327][ T1584] vprintk_emit (kernel/printk/printk.c:2479) [ 55.834328][ T1584] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.834330][ T1584] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 55.834332][ T1584] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.834335][ T1584] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 55.834337][ T1584] _printk (kernel/printk/printk.c:2504) [ 55.834341][ T1584] ? snapshot_read.cold (user.c:?) [ 55.834342][ T1584] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 55.834345][ T1584] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 55.834348][ T1584] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 55.834350][ T1584] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 55.834353][ T1584] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 55.834355][ T1584] ? netdev_notice (net/core/dev.c:13194) [ 55.834357][ T1584] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 55.834359][ T1584] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 55.834361][ T1584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.834363][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834364][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834365][ T1584] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.834366][ T1584] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 55.834368][ T1584] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 55.834369][ T1584] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 55.834370][ T1584] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 55.834372][ T1584] ? register_netdev (net/core/dev.c:11618) [ 55.834374][ T1584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.834376][ T1584] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 55.834378][ T1584] ? __kernel_text_address (kernel/extable.c:79) [ 55.834381][ T1584] ? write_profile (profile.c:?) [ 55.834384][ T1584] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 55.834387][ T1584] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 55.834389][ T1584] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 55.834391][ T1584] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 55.834392][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834393][ T1584] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 55.834396][ T1584] ? kasan_save_stack (mm/kasan/common.c:58) [ 55.834398][ T1584] ? kasan_save_stack (mm/kasan/common.c:57) [ 55.834399][ T1584] ? kasan_save_track (mm/kasan/common.c:78) [ 55.834400][ T1584] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 55.834401][ T1584] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 55.834402][ T1584] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 55.834403][ T1584] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 55.834404][ T1584] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 55.834407][ T1584] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 55.834409][ T1584] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 55.834410][ T1584] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 55.834413][ T1584] ? ____sys_sendmsg (net/socket.c:2713) [ 55.834414][ T1584] ? ___sys_sendmsg (net/socket.c:2767) [ 55.834415][ T1584] ? __sys_sendmsg (net/socket.c:2799) [ 55.834417][ T1584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 55.834419][ T1584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.834422][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834423][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834425][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834425][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834427][ T1584] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 55.834428][ T1584] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 55.834429][ T1584] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 55.834430][ T1584] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 55.834432][ T1584] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 55.834433][ T1584] ? nla_get_range_signed (lib/nlattr.c:270) [ 55.834436][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834437][ T1584] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 55.834440][ T1584] rtnl_newlink (net/core/rtnetlink.c:4215) [ 55.834442][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834443][ T1584] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 55.834444][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834446][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834447][ T1584] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 55.834449][ T1584] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 55.834451][ T1584] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 55.834452][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834453][ T1584] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 55.834456][ T1584] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 55.834459][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834460][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834461][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834463][ T1584] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 55.834464][ T1584] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 55.834466][ T1584] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 55.834467][ T1584] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 55.834468][ T1584] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 55.834471][ T1584] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 55.834473][ T1584] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 55.834474][ T1584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.834475][ T1584] ? netlink_ack (./include/linux/skbuff.h:2718) [ 55.834477][ T1584] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 55.834480][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834481][ T1584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.834483][ T1584] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 55.834486][ T1584] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 55.834487][ T1584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.834489][ T1584] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 55.834491][ T1584] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 55.834493][ T1584] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 55.834495][ T1584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.834496][ T1584] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 55.834499][ T1584] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 55.834501][ T1584] ____sys_sendmsg (net/socket.c:2713) [ 55.834503][ T1584] ? copy_msghdr_from_user (net/socket.c:2650) [ 55.834504][ T1584] ? sock_write_iter (net/socket.c:1269) [ 55.834506][ T1584] ? move_addr_to_kernel (net/socket.c:258) [ 55.834507][ T1584] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 55.834510][ T1584] ___sys_sendmsg (net/socket.c:2767) [ 55.834512][ T1584] ? copy_msghdr_from_user (net/socket.c:2619) [ 55.834517][ T1584] __sys_sendmsg (net/socket.c:2799) [ 55.834518][ T1584] ? __sys_sendmsg_sock (net/socket.c:2780) [ 55.834521][ T1584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.834523][ T1584] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 55.834524][ T1584] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 55.834526][ T1584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.834528][ T1584] RIP: 0033:0x7fc2f0cd554e [ 55.834530][ T1584] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 55.834531][ T1584] RSP: 002b:00007ffcff39b5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 55.834535][ T1584] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc2f0cd554e [ 55.834536][ T1584] RDX: 0000000000000000 RSI: 00007ffcff39b660 RDI: 0000000000000005 [ 55.834537][ T1584] RBP: 00007ffcff39b5c0 R08: 0000000000000000 R09: 0000000000000000 [ 55.834538][ T1584] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167af [ 55.834539][ T1584] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcff39bd20 | [ 56.972482][ T1642] softirqs last disabled at (0): 0x0 | [ 56.972483][ T1642] Preemption disabled at: | [ 56.972484][ T1642] vprintk_emit (kernel/printk/printk.c:2471) | [ 56.972493][ T1642] Tainted: [W]=WARN [ 56.972495][ T1642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.972496][ T1642] Call Trace: [ 56.972498][ T1642] [ 56.972499][ T1642] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.972505][ T1642] ? vprintk_emit (kernel/printk/printk.c:2471) [ 56.972506][ T1642] __might_resched.cold (kernel/sched/core.c:9234) [ 56.972510][ T1642] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 56.972512][ T1642] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.972515][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972517][ T1642] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 56.972520][ T1642] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.972523][ T1642] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.972528][ T1642] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 56.972529][ T1642] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.972532][ T1642] put_chars (drivers/char/virtio_console.c:1176) [ 56.972533][ T1642] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.972535][ T1642] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.972537][ T1642] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.972542][ T1642] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.972543][ T1642] ? vsnprintf (lib/vsprintf.c:2900) [ 56.972547][ T1642] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.972548][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972549][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972551][ T1642] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.972553][ T1642] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.972555][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972556][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972557][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972558][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972560][ T1642] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.972562][ T1642] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.972564][ T1642] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.972567][ T1642] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.972569][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972571][ T1642] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.972572][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972573][ T1642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.972574][ T1642] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 56.972576][ T1642] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.972577][ T1642] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.972579][ T1642] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.972580][ T1642] vprintk_emit (kernel/printk/printk.c:2479) [ 56.972582][ T1642] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.972583][ T1642] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.972585][ T1642] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.972588][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972589][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972590][ T1642] _printk (kernel/printk/printk.c:2504) [ 56.972593][ T1642] ? snapshot_read.cold (user.c:?) [ 56.972595][ T1642] ? br_multicast_flood (??:?) [ 56.972598][ T1642] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 56.972601][ T1642] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 56.972602][ T1642] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.972604][ T1642] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.972606][ T1642] br_init_port (net/bridge/br_stp_if.c:39) [ 56.972608][ T1642] new_nbp (net/bridge/br_if.c:449) [ 56.972610][ T1642] br_add_if (net/bridge/br_if.c:592) [ 56.972612][ T1642] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 56.972616][ T1642] do_set_master (net/core/rtnetlink.c:3071) [ 56.972618][ T1642] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 56.972619][ T1642] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 56.972621][ T1642] ? __dev_get_by_name (net/core/dev.c:905) [ 56.972622][ T1642] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 56.972626][ T1642] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 56.972629][ T1642] rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.972631][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972632][ T1642] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.972633][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972634][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972636][ T1642] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 56.972638][ T1642] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 56.972640][ T1642] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 56.972642][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972643][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972645][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972646][ T1642] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.972647][ T1642] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.972648][ T1642] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.972650][ T1642] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.972651][ T1642] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 56.972655][ T1642] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.972658][ T1642] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.972659][ T1642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.972660][ T1642] ? netlink_ack (./include/linux/skbuff.h:2718) [ 56.972662][ T1642] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 56.972665][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972666][ T1642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.972668][ T1642] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.972670][ T1642] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 56.972672][ T1642] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 56.972674][ T1642] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 56.972677][ T1642] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.972679][ T1642] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 56.972681][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972682][ T1642] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 56.972686][ T1642] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.972689][ T1642] ____sys_sendmsg (net/socket.c:2713) [ 56.972690][ T1642] ? copy_msghdr_from_user (net/socket.c:2650) [ 56.972692][ T1642] ? sock_write_iter (net/socket.c:1269) [ 56.972693][ T1642] ? move_addr_to_kernel (net/socket.c:258) [ 56.972695][ T1642] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 56.972698][ T1642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.972699][ T1642] ___sys_sendmsg (net/socket.c:2767) [ 56.972701][ T1642] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 56.972703][ T1642] ? copy_msghdr_from_user (net/socket.c:2619) [ 56.972704][ T1642] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 56.972709][ T1642] __sys_sendmsg (net/socket.c:2799) [ 56.972711][ T1642] ? __sys_sendmsg_sock (net/socket.c:2780) [ 56.972713][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972714][ T1642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.972715][ T1642] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.972718][ T1642] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 56.972720][ T1642] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.972722][ T1642] RIP: 0033:0x7f69af47454e [ 56.972723][ T1642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 56.972725][ T1642] RSP: 002b:00007fff61a40940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 56.972729][ T1642] RAX: ffffffffffffffda RBX: 00007fff61a41108 RCX: 00007f69af47454e [ 56.972730][ T1642] RDX: 0000000000000000 RSI: 00007fff61a409f0 RDI: 0000000000000005 [ 56.972731][ T1642] RBP: 00007fff61a40950 R08: 0000000000000000 R09: 0000000000000000 [ 56.972732][ T1642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167b0 [ 56.972733][ T1642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff61a410c0 | [ 63.231553][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 63.231555][ T12] Preemption disabled at: | [ 63.231556][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 63.231566][ T12] Tainted: [W]=WARN [ 63.231567][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.231568][ T12] Workqueue: netns cleanup_net [ 63.231574][ T12] Call Trace: [ 63.231575][ T12] [ 63.231577][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.231582][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 63.231583][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 63.231587][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 63.231589][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.231592][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231595][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 63.231598][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.231601][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.231605][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 63.231607][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.231609][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 63.231611][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.231613][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 63.231615][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.231620][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.231622][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 63.231624][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.231626][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231627][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231628][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.231631][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.231633][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231634][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231635][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231636][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.231638][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.231640][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.231642][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.231645][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.231647][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.231648][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.231650][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231651][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.231652][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 63.231654][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 63.231655][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.231657][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.231658][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 63.231660][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.231661][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 63.231662][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.231665][ T12] ? kthread (kernel/kthread.c:436) [ 63.231667][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 63.231670][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 63.231672][ T12] _printk (kernel/printk/printk.c:2504) [ 63.231675][ T12] ? snapshot_read.cold (user.c:?) [ 63.231677][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 63.231680][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 63.231682][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 63.231684][ T12] ? netdev_notice (net/core/dev.c:13194) [ 63.231687][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231688][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 63.231689][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 63.231692][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 63.231693][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 63.231695][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 63.231697][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 63.231699][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 63.231703][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 63.231705][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 63.231708][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 63.231710][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 63.231711][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 63.231714][ T12] cleanup_net (net/core/net_namespace.c:706) [ 63.231716][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 63.231718][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.231720][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.231721][ T12] process_one_work (kernel/workqueue.c:3387) [ 63.231724][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 63.231726][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.231728][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.231730][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.231733][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.231735][ T12] kthread (kernel/kthread.c:436) [ 63.231737][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.231738][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.231740][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 63.231742][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 63.231743][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 63.231746][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.231748][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 64.504028][ T1834] softirqs last disabled at (0): 0x0 | [ 64.504030][ T1834] Preemption disabled at: | [ 64.504031][ T1834] vprintk_emit (kernel/printk/printk.c:2471) | [ 64.504040][ T1834] Tainted: [W]=WARN [ 64.504041][ T1834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.504043][ T1834] Call Trace: [ 64.504044][ T1834] [ 64.504045][ T1834] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.504051][ T1834] ? vprintk_emit (kernel/printk/printk.c:2471) [ 64.504052][ T1834] __might_resched.cold (kernel/sched/core.c:9234) [ 64.504056][ T1834] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 64.504058][ T1834] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.504061][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504063][ T1834] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 64.504066][ T1834] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.504069][ T1834] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.504074][ T1834] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 64.504076][ T1834] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.504078][ T1834] put_chars (drivers/char/virtio_console.c:1176) [ 64.504080][ T1834] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.504081][ T1834] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 64.504084][ T1834] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.504088][ T1834] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.504090][ T1834] ? vsnprintf (lib/vsprintf.c:2900) [ 64.504093][ T1834] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.504094][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504095][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504097][ T1834] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.504100][ T1834] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.504102][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504103][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504103][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504104][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504107][ T1834] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 64.504108][ T1834] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.504111][ T1834] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.504113][ T1834] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.504115][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504116][ T1834] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.504118][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504119][ T1834] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.504120][ T1834] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 64.504122][ T1834] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 64.504123][ T1834] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.504125][ T1834] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.504126][ T1834] vprintk_emit (kernel/printk/printk.c:2479) [ 64.504128][ T1834] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.504129][ T1834] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.504131][ T1834] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.504133][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504135][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504136][ T1834] _printk (kernel/printk/printk.c:2504) [ 64.504139][ T1834] ? snapshot_read.cold (user.c:?) [ 64.504141][ T1834] ? br_multicast_flood (??:?) [ 64.504144][ T1834] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 64.504147][ T1834] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 64.504148][ T1834] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.504150][ T1834] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 64.504153][ T1834] br_init_port (net/bridge/br_stp_if.c:39) [ 64.504154][ T1834] new_nbp (net/bridge/br_if.c:449) [ 64.504157][ T1834] br_add_if (net/bridge/br_if.c:592) [ 64.504158][ T1834] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 64.504163][ T1834] do_set_master (net/core/rtnetlink.c:3071) [ 64.504164][ T1834] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 64.504166][ T1834] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 64.504167][ T1834] ? __dev_get_by_name (net/core/dev.c:905) [ 64.504169][ T1834] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 64.504173][ T1834] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 64.504175][ T1834] rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.504177][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504178][ T1834] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.504179][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504181][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504182][ T1834] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 64.504185][ T1834] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 64.504186][ T1834] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 64.504188][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504189][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504191][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504192][ T1834] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.504193][ T1834] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.504195][ T1834] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.504196][ T1834] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.504198][ T1834] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.504201][ T1834] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.504204][ T1834] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.504205][ T1834] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.504207][ T1834] ? netlink_ack (./include/linux/skbuff.h:2718) [ 64.504208][ T1834] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 64.504211][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504212][ T1834] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.504214][ T1834] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.504216][ T1834] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 64.504218][ T1834] ? next_uptodate_folio (mm/filemap.c:3747) [ 64.504221][ T1834] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.504223][ T1834] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 64.504225][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504227][ T1834] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 64.504230][ T1834] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 64.504233][ T1834] ____sys_sendmsg (net/socket.c:2713) [ 64.504234][ T1834] ? copy_msghdr_from_user (net/socket.c:2650) [ 64.504236][ T1834] ? sock_write_iter (net/socket.c:1269) [ 64.504237][ T1834] ? move_addr_to_kernel (net/socket.c:258) [ 64.504243][ T1834] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 64.504246][ T1834] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.504248][ T1834] ___sys_sendmsg (net/socket.c:2767) [ 64.504249][ T1834] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 64.504251][ T1834] ? copy_msghdr_from_user (net/socket.c:2619) [ 64.504252][ T1834] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 64.504257][ T1834] __sys_sendmsg (net/socket.c:2799) [ 64.504259][ T1834] ? __sys_sendmsg_sock (net/socket.c:2780) [ 64.504261][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504262][ T1834] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.504264][ T1834] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.504266][ T1834] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 64.504268][ T1834] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.504270][ T1834] RIP: 0033:0x7f7e69d8c54e [ 64.504272][ T1834] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 64.504274][ T1834] RSP: 002b:00007ffc9192b330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 64.504278][ T1834] RAX: ffffffffffffffda RBX: 00007ffc9192baf8 RCX: 00007f7e69d8c54e [ 64.504279][ T1834] RDX: 0000000000000000 RSI: 00007ffc9192b3e0 RDI: 0000000000000005 [ 64.504280][ T1834] RBP: 00007ffc9192b340 R08: 0000000000000000 R09: 0000000000000000 [ 64.504280][ T1834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167b7 [ 64.504281][ T1834] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9192bab0 | [ 65.885946][ T1903] softirqs last disabled at (0): 0x0 | [ 65.885948][ T1903] Preemption disabled at: | [ 65.885949][ T1903] vprintk_emit (kernel/printk/printk.c:2471) | [ 65.885959][ T1903] Tainted: [W]=WARN [ 65.885960][ T1903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.885962][ T1903] Call Trace: [ 65.885963][ T1903] [ 65.885964][ T1903] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.885970][ T1903] ? vprintk_emit (kernel/printk/printk.c:2471) [ 65.885971][ T1903] __might_resched.cold (kernel/sched/core.c:9234) [ 65.885975][ T1903] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.885978][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.885981][ T1903] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 65.885984][ T1903] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.885987][ T1903] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.885992][ T1903] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 65.885994][ T1903] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.885996][ T1903] put_chars (drivers/char/virtio_console.c:1176) [ 65.885998][ T1903] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.885999][ T1903] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.886001][ T1903] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.886003][ T1903] ? pointer (lib/vsprintf.c:2577) [ 65.886007][ T1903] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.886011][ T1903] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.886013][ T1903] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.886015][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886018][ T1903] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.886020][ T1903] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.886022][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886023][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886024][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886026][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886028][ T1903] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.886029][ T1903] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.886032][ T1903] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.886035][ T1903] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.886036][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886038][ T1903] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.886040][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886041][ T1903] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.886042][ T1903] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 65.886044][ T1903] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.886045][ T1903] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.886047][ T1903] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.886049][ T1903] vprintk_emit (kernel/printk/printk.c:2479) [ 65.886050][ T1903] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.886052][ T1903] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 65.886054][ T1903] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.886057][ T1903] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 65.886059][ T1903] _printk (kernel/printk/printk.c:2504) [ 65.886062][ T1903] ? snapshot_read.cold (user.c:?) [ 65.886064][ T1903] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 65.886066][ T1903] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 65.886070][ T1903] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 65.886071][ T1903] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 65.886075][ T1903] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 65.886077][ T1903] ? netdev_notice (net/core/dev.c:13194) [ 65.886079][ T1903] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 65.886081][ T1903] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 65.886083][ T1903] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.886085][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886086][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886087][ T1903] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.886088][ T1903] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 65.886090][ T1903] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 65.886091][ T1903] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 65.886093][ T1903] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 65.886094][ T1903] ? register_netdev (net/core/dev.c:11618) [ 65.886095][ T1903] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.886097][ T1903] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 65.886100][ T1903] ? __kernel_text_address (kernel/extable.c:79) [ 65.886103][ T1903] ? write_profile (profile.c:?) [ 65.886105][ T1903] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 65.886109][ T1903] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 65.886111][ T1903] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 65.886112][ T1903] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 65.886114][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886115][ T1903] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 65.886118][ T1903] ? kasan_save_stack (mm/kasan/common.c:58) [ 65.886120][ T1903] ? kasan_save_stack (mm/kasan/common.c:57) [ 65.886121][ T1903] ? kasan_save_track (mm/kasan/common.c:78) [ 65.886122][ T1903] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 65.886123][ T1903] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 65.886124][ T1903] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 65.886125][ T1903] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.886126][ T1903] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.886129][ T1903] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.886131][ T1903] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.886132][ T1903] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.886135][ T1903] ? ____sys_sendmsg (net/socket.c:2713) [ 65.886136][ T1903] ? ___sys_sendmsg (net/socket.c:2767) [ 65.886138][ T1903] ? __sys_sendmsg (net/socket.c:2799) [ 65.886140][ T1903] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.886142][ T1903] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.886144][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886145][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886147][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886148][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886149][ T1903] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 65.886150][ T1903] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 65.886151][ T1903] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 65.886153][ T1903] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 65.886154][ T1903] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 65.886155][ T1903] ? nla_get_range_signed (lib/nlattr.c:270) [ 65.886159][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886160][ T1903] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 65.886162][ T1903] rtnl_newlink (net/core/rtnetlink.c:4215) [ 65.886164][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886165][ T1903] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.886166][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886168][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886169][ T1903] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 65.886172][ T1903] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 65.886173][ T1903] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.886174][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886176][ T1903] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 65.886179][ T1903] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 65.886181][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886182][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886184][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886185][ T1903] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.886186][ T1903] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.886188][ T1903] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.886189][ T1903] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.886191][ T1903] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 65.886193][ T1903] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.886195][ T1903] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.886196][ T1903] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.886198][ T1903] ? netlink_ack (./include/linux/skbuff.h:2718) [ 65.886199][ T1903] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 65.886203][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886204][ T1903] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.886206][ T1903] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.886208][ T1903] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 65.886210][ T1903] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.886212][ T1903] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.886214][ T1903] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 65.886215][ T1903] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.886217][ T1903] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.886219][ T1903] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 65.886222][ T1903] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.886224][ T1903] ____sys_sendmsg (net/socket.c:2713) [ 65.886225][ T1903] ? copy_msghdr_from_user (net/socket.c:2650) [ 65.886227][ T1903] ? sock_write_iter (net/socket.c:1269) [ 65.886228][ T1903] ? move_addr_to_kernel (net/socket.c:258) [ 65.886230][ T1903] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 65.886232][ T1903] ___sys_sendmsg (net/socket.c:2767) [ 65.886234][ T1903] ? copy_msghdr_from_user (net/socket.c:2619) [ 65.886239][ T1903] __sys_sendmsg (net/socket.c:2799) [ 65.886247][ T1903] ? __sys_sendmsg_sock (net/socket.c:2780) [ 65.886249][ T1903] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.886251][ T1903] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.886253][ T1903] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 65.886255][ T1903] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.886256][ T1903] RIP: 0033:0x7fed323a154e [ 65.886258][ T1903] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 65.886260][ T1903] RSP: 002b:00007ffd20a85a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 65.886263][ T1903] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fed323a154e [ 65.886265][ T1903] RDX: 0000000000000000 RSI: 00007ffd20a85ad0 RDI: 0000000000000005 [ 65.886266][ T1903] RBP: 00007ffd20a85a30 R08: 0000000000000000 R09: 0000000000000000 [ 65.886266][ T1903] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167b9 [ 65.886267][ T1903] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd20a86190 | [ 67.013593][ T1960] softirqs last disabled at (0): 0x0 | [ 67.013595][ T1960] Preemption disabled at: | [ 67.013595][ T1960] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.013605][ T1960] Tainted: [W]=WARN [ 67.013606][ T1960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.013608][ T1960] Call Trace: [ 67.013609][ T1960] [ 67.013610][ T1960] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.013616][ T1960] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.013617][ T1960] __might_resched.cold (kernel/sched/core.c:9234) [ 67.013621][ T1960] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 67.013623][ T1960] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.013626][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013628][ T1960] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 67.013631][ T1960] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.013634][ T1960] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.013639][ T1960] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 67.013640][ T1960] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.013643][ T1960] put_chars (drivers/char/virtio_console.c:1176) [ 67.013645][ T1960] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.013646][ T1960] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 67.013648][ T1960] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.013653][ T1960] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.013654][ T1960] ? vsnprintf (lib/vsprintf.c:2900) [ 67.013657][ T1960] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.013659][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013660][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013662][ T1960] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.013664][ T1960] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.013666][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013667][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013668][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013669][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013671][ T1960] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 67.013673][ T1960] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.013675][ T1960] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.013677][ T1960] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.013679][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013681][ T1960] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.013682][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013683][ T1960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.013685][ T1960] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 67.013686][ T1960] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 67.013687][ T1960] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.013689][ T1960] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.013690][ T1960] vprintk_emit (kernel/printk/printk.c:2479) [ 67.013692][ T1960] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.013693][ T1960] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.013695][ T1960] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.013698][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013699][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013700][ T1960] _printk (kernel/printk/printk.c:2504) [ 67.013703][ T1960] ? snapshot_read.cold (user.c:?) [ 67.013705][ T1960] ? br_multicast_flood (??:?) [ 67.013708][ T1960] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 67.013711][ T1960] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 67.013712][ T1960] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.013714][ T1960] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 67.013716][ T1960] br_init_port (net/bridge/br_stp_if.c:39) [ 67.013718][ T1960] new_nbp (net/bridge/br_if.c:449) [ 67.013720][ T1960] br_add_if (net/bridge/br_if.c:592) [ 67.013722][ T1960] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 67.013726][ T1960] do_set_master (net/core/rtnetlink.c:3071) [ 67.013727][ T1960] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 67.013729][ T1960] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 67.013730][ T1960] ? __dev_get_by_name (net/core/dev.c:905) [ 67.013732][ T1960] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 67.013736][ T1960] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 67.013738][ T1960] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.013740][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013741][ T1960] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.013742][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013744][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013745][ T1960] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 67.013747][ T1960] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 67.013749][ T1960] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 67.013752][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013753][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013754][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013755][ T1960] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.013756][ T1960] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.013758][ T1960] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.013759][ T1960] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.013760][ T1960] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.013764][ T1960] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.013767][ T1960] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.013768][ T1960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.013770][ T1960] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.013771][ T1960] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 67.013774][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013775][ T1960] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.013777][ T1960] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.013779][ T1960] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.013781][ T1960] ? next_uptodate_folio (mm/filemap.c:3747) [ 67.013784][ T1960] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.013786][ T1960] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.013788][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013789][ T1960] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.013793][ T1960] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.013795][ T1960] ____sys_sendmsg (net/socket.c:2713) [ 67.013797][ T1960] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.013799][ T1960] ? sock_write_iter (net/socket.c:1269) [ 67.013800][ T1960] ? move_addr_to_kernel (net/socket.c:258) [ 67.013802][ T1960] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 67.013804][ T1960] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.013806][ T1960] ___sys_sendmsg (net/socket.c:2767) [ 67.013808][ T1960] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 67.013809][ T1960] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.013811][ T1960] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 67.013815][ T1960] __sys_sendmsg (net/socket.c:2799) [ 67.013817][ T1960] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.013820][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013821][ T1960] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.013822][ T1960] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.013825][ T1960] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.013826][ T1960] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.013828][ T1960] RIP: 0033:0x7fdc9d0eb54e [ 67.013830][ T1960] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 67.013832][ T1960] RSP: 002b:00007ffc77c66a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.013835][ T1960] RAX: ffffffffffffffda RBX: 00007ffc77c67228 RCX: 00007fdc9d0eb54e [ 67.013837][ T1960] RDX: 0000000000000000 RSI: 00007ffc77c66b10 RDI: 0000000000000005 [ 67.013839][ T1960] RBP: 00007ffc77c66a70 R08: 0000000000000000 R09: 0000000000000000 [ 67.013840][ T1960] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167ba [ 67.013841][ T1960] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc77c671e0 | [ 73.431985][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 73.431988][ T12] Preemption disabled at: | [ 73.431989][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 73.432001][ T12] Tainted: [W]=WARN [ 73.432003][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.432005][ T12] Workqueue: netns cleanup_net [ 73.432011][ T12] Call Trace: [ 73.432013][ T12] [ 73.432015][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 73.432021][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 73.432023][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 73.432028][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 73.432031][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 73.432035][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432038][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 73.432041][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.432045][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.432051][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 73.432053][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.432057][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 73.432059][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 73.432062][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 73.432066][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 73.432072][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 73.432074][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 73.432078][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.432080][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432082][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432085][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 73.432089][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 73.432092][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432093][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432095][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432097][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.432100][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 73.432103][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 73.432106][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 73.432110][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 73.432113][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.432115][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 73.432118][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432119][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.432122][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 73.432124][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 73.432126][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 73.432129][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 73.432131][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 73.432134][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 73.432136][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 73.432138][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 73.432142][ T12] ? kthread (kernel/kthread.c:436) [ 73.432145][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 73.432148][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 73.432152][ T12] _printk (kernel/printk/printk.c:2504) [ 73.432155][ T12] ? snapshot_read.cold (user.c:?) [ 73.432159][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 73.432162][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 73.432166][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 73.432169][ T12] ? netdev_notice (net/core/dev.c:13194) [ 73.432172][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432174][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 73.432177][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 73.432180][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 73.432182][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 73.432184][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 73.432188][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 73.432191][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 73.432196][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 73.432199][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 73.432202][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 73.432205][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 73.432208][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 73.432212][ T12] cleanup_net (net/core/net_namespace.c:706) [ 73.432215][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 73.432218][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.432220][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.432223][ T12] process_one_work (kernel/workqueue.c:3387) [ 73.432227][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 73.432230][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 73.432233][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.432236][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 73.432241][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 73.432243][ T12] kthread (kernel/kthread.c:436) [ 73.432245][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 73.432248][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 73.432251][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 73.432253][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 73.432261][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 73.432264][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 73.432267][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 74.719742][ T2152] softirqs last disabled at (0): 0x0 | [ 74.719744][ T2152] Preemption disabled at: | [ 74.719744][ T2152] vprintk_emit (kernel/printk/printk.c:2471) | [ 74.719755][ T2152] Tainted: [W]=WARN [ 74.719756][ T2152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 74.719757][ T2152] Call Trace: [ 74.719759][ T2152] [ 74.719760][ T2152] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 74.719766][ T2152] ? vprintk_emit (kernel/printk/printk.c:2471) [ 74.719767][ T2152] __might_resched.cold (kernel/sched/core.c:9234) [ 74.719771][ T2152] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 74.719773][ T2152] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 74.719776][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719779][ T2152] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 74.719782][ T2152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 74.719785][ T2152] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.719790][ T2152] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 74.719792][ T2152] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.719794][ T2152] put_chars (drivers/char/virtio_console.c:1176) [ 74.719796][ T2152] ? __send_to_port (drivers/char/virtio_console.c:654) [ 74.719797][ T2152] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 74.719800][ T2152] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 74.719804][ T2152] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 74.719806][ T2152] ? vsnprintf (lib/vsprintf.c:2900) [ 74.719809][ T2152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 74.719810][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719811][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719813][ T2152] console_emit_next_record (kernel/printk/printk.c:3183) [ 74.719816][ T2152] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 74.719818][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719819][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719820][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719821][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719823][ T2152] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 74.719825][ T2152] console_flush_one_record (kernel/printk/printk.c:3268) [ 74.719827][ T2152] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 74.719829][ T2152] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 74.719831][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719833][ T2152] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 74.719834][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719835][ T2152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 74.719837][ T2152] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 74.719840][ T2152] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 74.719842][ T2152] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 74.719844][ T2152] ? vprintk_emit (kernel/printk/printk.c:2478) [ 74.719845][ T2152] vprintk_emit (kernel/printk/printk.c:2479) [ 74.719847][ T2152] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 74.719848][ T2152] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 74.719849][ T2152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 74.719852][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719853][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719855][ T2152] _printk (kernel/printk/printk.c:2504) [ 74.719858][ T2152] ? snapshot_read.cold (user.c:?) [ 74.719860][ T2152] ? br_multicast_flood (??:?) [ 74.719863][ T2152] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 74.719866][ T2152] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 74.719867][ T2152] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 74.719869][ T2152] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 74.719872][ T2152] br_init_port (net/bridge/br_stp_if.c:39) [ 74.719874][ T2152] new_nbp (net/bridge/br_if.c:449) [ 74.719876][ T2152] br_add_if (net/bridge/br_if.c:592) [ 74.719877][ T2152] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 74.719881][ T2152] do_set_master (net/core/rtnetlink.c:3071) [ 74.719883][ T2152] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 74.719885][ T2152] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 74.719886][ T2152] ? __dev_get_by_name (net/core/dev.c:905) [ 74.719888][ T2152] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 74.719892][ T2152] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 74.719894][ T2152] rtnl_newlink (net/core/rtnetlink.c:4215) [ 74.719896][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719897][ T2152] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 74.719899][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719900][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719901][ T2152] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 74.719904][ T2152] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 74.719906][ T2152] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 74.719908][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719909][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719911][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719912][ T2152] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 74.719913][ T2152] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 74.719915][ T2152] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 74.719916][ T2152] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 74.719917][ T2152] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 74.719921][ T2152] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 74.719924][ T2152] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 74.719925][ T2152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 74.719927][ T2152] ? netlink_ack (./include/linux/skbuff.h:2718) [ 74.719928][ T2152] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 74.719931][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719932][ T2152] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 74.719934][ T2152] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 74.719936][ T2152] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 74.719938][ T2152] ? next_uptodate_folio (mm/filemap.c:3747) [ 74.719941][ T2152] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 74.719943][ T2152] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 74.719945][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719947][ T2152] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 74.719950][ T2152] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 74.719953][ T2152] ____sys_sendmsg (net/socket.c:2713) [ 74.719954][ T2152] ? copy_msghdr_from_user (net/socket.c:2650) [ 74.719956][ T2152] ? sock_write_iter (net/socket.c:1269) [ 74.719957][ T2152] ? move_addr_to_kernel (net/socket.c:258) [ 74.719959][ T2152] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 74.719962][ T2152] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.719964][ T2152] ___sys_sendmsg (net/socket.c:2767) [ 74.719965][ T2152] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 74.719967][ T2152] ? copy_msghdr_from_user (net/socket.c:2619) [ 74.719968][ T2152] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 74.719973][ T2152] __sys_sendmsg (net/socket.c:2799) [ 74.719975][ T2152] ? __sys_sendmsg_sock (net/socket.c:2780) [ 74.719977][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719978][ T2152] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.719980][ T2152] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 74.719982][ T2152] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 74.719984][ T2152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 74.719986][ T2152] RIP: 0033:0x7feb4930b54e [ 74.719988][ T2152] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 74.719990][ T2152] RSP: 002b:00007ffd712fb230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 74.719993][ T2152] RAX: ffffffffffffffda RBX: 00007ffd712fb9f8 RCX: 00007feb4930b54e [ 74.719994][ T2152] RDX: 0000000000000000 RSI: 00007ffd712fb2e0 RDI: 0000000000000005 [ 74.719995][ T2152] RBP: 00007ffd712fb240 R08: 0000000000000000 R09: 0000000000000000 [ 74.719996][ T2152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167c2 [ 74.719997][ T2152] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd712fb9b0 | [ 76.061991][ T2220] softirqs last disabled at (0): 0x0 | [ 76.061992][ T2220] Preemption disabled at: | [ 76.061993][ T2220] vprintk_emit (kernel/printk/printk.c:2471) | [ 76.062003][ T2220] Tainted: [W]=WARN [ 76.062004][ T2220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.062006][ T2220] Call Trace: [ 76.062008][ T2220] [ 76.062009][ T2220] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.062014][ T2220] ? vprintk_emit (kernel/printk/printk.c:2471) [ 76.062016][ T2220] __might_resched.cold (kernel/sched/core.c:9234) [ 76.062020][ T2220] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.062023][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062025][ T2220] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 76.062028][ T2220] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.062031][ T2220] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.062036][ T2220] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 76.062038][ T2220] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.062040][ T2220] put_chars (drivers/char/virtio_console.c:1176) [ 76.062042][ T2220] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.062043][ T2220] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 76.062045][ T2220] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.062047][ T2220] ? pointer (lib/vsprintf.c:2577) [ 76.062051][ T2220] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.062055][ T2220] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.062057][ T2220] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.062059][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062061][ T2220] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.062064][ T2220] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.062066][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062067][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062068][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062069][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062071][ T2220] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.062072][ T2220] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.062074][ T2220] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.062077][ T2220] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.062079][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062080][ T2220] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.062082][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062083][ T2220] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.062084][ T2220] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 76.062086][ T2220] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 76.062087][ T2220] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.062089][ T2220] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.062090][ T2220] vprintk_emit (kernel/printk/printk.c:2479) [ 76.062092][ T2220] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.062093][ T2220] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 76.062095][ T2220] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.062098][ T2220] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 76.062101][ T2220] _printk (kernel/printk/printk.c:2504) [ 76.062104][ T2220] ? snapshot_read.cold (user.c:?) [ 76.062106][ T2220] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 76.062108][ T2220] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 76.062111][ T2220] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 76.062113][ T2220] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 76.062116][ T2220] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 76.062118][ T2220] ? netdev_notice (net/core/dev.c:13194) [ 76.062120][ T2220] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 76.062122][ T2220] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 76.062124][ T2220] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.062126][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062127][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062128][ T2220] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.062129][ T2220] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 76.062131][ T2220] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 76.062132][ T2220] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 76.062133][ T2220] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 76.062135][ T2220] ? register_netdev (net/core/dev.c:11618) [ 76.062136][ T2220] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.062138][ T2220] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 76.062141][ T2220] ? __kernel_text_address (kernel/extable.c:79) [ 76.062143][ T2220] ? write_profile (profile.c:?) [ 76.062146][ T2220] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 76.062149][ T2220] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 76.062151][ T2220] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 76.062153][ T2220] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 76.062154][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062155][ T2220] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.062158][ T2220] ? kasan_save_stack (mm/kasan/common.c:58) [ 76.062160][ T2220] ? kasan_save_stack (mm/kasan/common.c:57) [ 76.062161][ T2220] ? kasan_save_track (mm/kasan/common.c:78) [ 76.062162][ T2220] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 76.062163][ T2220] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 76.062164][ T2220] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 76.062165][ T2220] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.062166][ T2220] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.062169][ T2220] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.062170][ T2220] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.062172][ T2220] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.062174][ T2220] ? ____sys_sendmsg (net/socket.c:2713) [ 76.062176][ T2220] ? ___sys_sendmsg (net/socket.c:2767) [ 76.062177][ T2220] ? __sys_sendmsg (net/socket.c:2799) [ 76.062179][ T2220] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.062181][ T2220] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.062183][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062184][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062186][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062187][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062188][ T2220] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 76.062189][ T2220] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 76.062190][ T2220] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 76.062191][ T2220] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 76.062193][ T2220] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 76.062194][ T2220] ? nla_get_range_signed (lib/nlattr.c:270) [ 76.062197][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062198][ T2220] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 76.062200][ T2220] rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.062202][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062203][ T2220] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.062204][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062206][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062207][ T2220] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 76.062209][ T2220] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 76.062211][ T2220] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.062212][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062213][ T2220] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 76.062216][ T2220] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 76.062219][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062220][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062221][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062222][ T2220] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.062224][ T2220] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.062225][ T2220] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.062226][ T2220] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.062228][ T2220] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.062230][ T2220] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.062232][ T2220] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.062233][ T2220] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.062235][ T2220] ? netlink_ack (./include/linux/skbuff.h:2718) [ 76.062236][ T2220] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 76.062239][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062240][ T2220] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.062242][ T2220] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.062244][ T2220] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 76.062246][ T2220] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.062248][ T2220] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.062250][ T2220] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 76.062251][ T2220] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.062253][ T2220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.062254][ T2220] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 76.062257][ T2220] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.062263][ T2220] ____sys_sendmsg (net/socket.c:2713) [ 76.062264][ T2220] ? copy_msghdr_from_user (net/socket.c:2650) [ 76.062266][ T2220] ? sock_write_iter (net/socket.c:1269) [ 76.062268][ T2220] ? move_addr_to_kernel (net/socket.c:258) [ 76.062269][ T2220] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.062272][ T2220] ___sys_sendmsg (net/socket.c:2767) [ 76.062273][ T2220] ? copy_msghdr_from_user (net/socket.c:2619) [ 76.062278][ T2220] __sys_sendmsg (net/socket.c:2799) [ 76.062280][ T2220] ? __sys_sendmsg_sock (net/socket.c:2780) [ 76.062283][ T2220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.062284][ T2220] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.062286][ T2220] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 76.062288][ T2220] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.062289][ T2220] RIP: 0033:0x7f31bbacd54e [ 76.062291][ T2220] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 76.062292][ T2220] RSP: 002b:00007ffc8e224250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 76.062296][ T2220] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f31bbacd54e [ 76.062297][ T2220] RDX: 0000000000000000 RSI: 00007ffc8e224300 RDI: 0000000000000005 [ 76.062298][ T2220] RBP: 00007ffc8e224260 R08: 0000000000000000 R09: 0000000000000000 [ 76.062299][ T2220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167c3 [ 76.062300][ T2220] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8e2249c0 | [ 77.152737][ T2278] softirqs last disabled at (0): 0x0 | [ 77.152739][ T2278] Preemption disabled at: | [ 77.152739][ T2278] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.152749][ T2278] Tainted: [W]=WARN [ 77.152750][ T2278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.152752][ T2278] Call Trace: [ 77.152754][ T2278] [ 77.152755][ T2278] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.152760][ T2278] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.152761][ T2278] __might_resched.cold (kernel/sched/core.c:9234) [ 77.152765][ T2278] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 77.152767][ T2278] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.152770][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152773][ T2278] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 77.152776][ T2278] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.152779][ T2278] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.152784][ T2278] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 77.152786][ T2278] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.152788][ T2278] put_chars (drivers/char/virtio_console.c:1176) [ 77.152790][ T2278] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.152791][ T2278] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.152794][ T2278] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.152799][ T2278] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.152800][ T2278] ? vsnprintf (lib/vsprintf.c:2900) [ 77.152804][ T2278] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.152805][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152806][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152808][ T2278] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.152811][ T2278] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.152813][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152814][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152814][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152815][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152818][ T2278] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.152819][ T2278] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.152821][ T2278] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.152824][ T2278] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.152826][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152827][ T2278] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.152829][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152830][ T2278] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.152831][ T2278] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 77.152833][ T2278] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 77.152834][ T2278] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.152836][ T2278] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.152837][ T2278] vprintk_emit (kernel/printk/printk.c:2479) [ 77.152841][ T2278] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.152842][ T2278] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.152844][ T2278] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.152846][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152848][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152849][ T2278] _printk (kernel/printk/printk.c:2504) [ 77.152852][ T2278] ? snapshot_read.cold (user.c:?) [ 77.152854][ T2278] ? br_multicast_flood (??:?) [ 77.152857][ T2278] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 77.152860][ T2278] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 77.152861][ T2278] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.152863][ T2278] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 77.152865][ T2278] br_init_port (net/bridge/br_stp_if.c:39) [ 77.152867][ T2278] new_nbp (net/bridge/br_if.c:449) [ 77.152869][ T2278] br_add_if (net/bridge/br_if.c:592) [ 77.152871][ T2278] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 77.152875][ T2278] do_set_master (net/core/rtnetlink.c:3071) [ 77.152877][ T2278] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 77.152878][ T2278] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 77.152880][ T2278] ? __dev_get_by_name (net/core/dev.c:905) [ 77.152881][ T2278] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 77.152885][ T2278] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 77.152888][ T2278] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.152890][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152891][ T2278] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.152892][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152893][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152895][ T2278] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 77.152897][ T2278] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.152899][ T2278] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 77.152901][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152902][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152904][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152905][ T2278] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.152906][ T2278] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.152908][ T2278] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.152909][ T2278] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.152910][ T2278] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.152914][ T2278] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.152917][ T2278] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.152918][ T2278] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.152920][ T2278] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.152922][ T2278] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 77.152925][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152926][ T2278] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.152928][ T2278] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.152930][ T2278] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.152932][ T2278] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 77.152934][ T2278] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 77.152937][ T2278] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.152939][ T2278] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.152941][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152942][ T2278] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.152946][ T2278] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.152948][ T2278] ____sys_sendmsg (net/socket.c:2713) [ 77.152950][ T2278] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.152952][ T2278] ? sock_write_iter (net/socket.c:1269) [ 77.152953][ T2278] ? move_addr_to_kernel (net/socket.c:258) [ 77.152955][ T2278] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 77.152957][ T2278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.152959][ T2278] ___sys_sendmsg (net/socket.c:2767) [ 77.152961][ T2278] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 77.152963][ T2278] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.152964][ T2278] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 77.152969][ T2278] __sys_sendmsg (net/socket.c:2799) [ 77.152971][ T2278] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.152973][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152974][ T2278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.152976][ T2278] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.152978][ T2278] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.152980][ T2278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.152982][ T2278] RIP: 0033:0x7f392d20554e [ 77.152984][ T2278] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 77.152986][ T2278] RSP: 002b:00007ffc868086e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.152990][ T2278] RAX: ffffffffffffffda RBX: 00007ffc86808ea8 RCX: 00007f392d20554e [ 77.152991][ T2278] RDX: 0000000000000000 RSI: 00007ffc86808790 RDI: 0000000000000005 [ 77.152992][ T2278] RBP: 00007ffc868086f0 R08: 0000000000000000 R09: 0000000000000000 [ 77.152993][ T2278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167c4 [ 77.152993][ T2278] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc86808e60 | [ 83.504554][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 83.504557][ T12] Preemption disabled at: | [ 83.504557][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 83.504567][ T12] Tainted: [W]=WARN [ 83.504568][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 83.504570][ T12] Workqueue: netns cleanup_net [ 83.504575][ T12] Call Trace: [ 83.504577][ T12] [ 83.504579][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 83.504584][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 83.504586][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 83.504589][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 83.504592][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 83.504595][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504597][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 83.504600][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 83.504603][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 83.504608][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 83.504609][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 83.504612][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 83.504613][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 83.504615][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 83.504618][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 83.504622][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 83.504624][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 83.504626][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 83.504628][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504629][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504631][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 83.504634][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 83.504636][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504637][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504638][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504639][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.504641][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 83.504642][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 83.504645][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 83.504648][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 83.504649][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.504651][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 83.504653][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504654][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 83.504655][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 83.504657][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 83.504658][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 83.504660][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 83.504661][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 83.504663][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 83.504664][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 83.504666][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 83.504668][ T12] ? kthread (kernel/kthread.c:436) [ 83.504670][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 83.504673][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 83.504676][ T12] _printk (kernel/printk/printk.c:2504) [ 83.504679][ T12] ? snapshot_read.cold (user.c:?) [ 83.504681][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 83.504684][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 83.504686][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 83.504688][ T12] ? netdev_notice (net/core/dev.c:13194) [ 83.504690][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504692][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 83.504693][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 83.504696][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 83.504698][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 83.504699][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 83.504701][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 83.504704][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 83.504708][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 83.504710][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 83.504712][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 83.504714][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 83.504716][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 83.504719][ T12] cleanup_net (net/core/net_namespace.c:706) [ 83.504721][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 83.504723][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.504725][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.504726][ T12] process_one_work (kernel/workqueue.c:3387) [ 83.504729][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 83.504731][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 83.504733][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 83.504735][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 83.504738][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 83.504740][ T12] kthread (kernel/kthread.c:436) [ 83.504742][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 83.504743][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 83.504745][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 83.504747][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 83.504749][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 83.504752][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 83.504754][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 84.710048][ T2471] softirqs last disabled at (0): 0x0 | [ 84.710050][ T2471] Preemption disabled at: | [ 84.710051][ T2471] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.710061][ T2471] Tainted: [W]=WARN [ 84.710062][ T2471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.710064][ T2471] Call Trace: [ 84.710065][ T2471] [ 84.710066][ T2471] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.710072][ T2471] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.710073][ T2471] __might_resched.cold (kernel/sched/core.c:9234) [ 84.710076][ T2471] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 84.710079][ T2471] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.710082][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710084][ T2471] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 84.710087][ T2471] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.710090][ T2471] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.710095][ T2471] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 84.710097][ T2471] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.710100][ T2471] put_chars (drivers/char/virtio_console.c:1176) [ 84.710101][ T2471] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.710103][ T2471] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 84.710105][ T2471] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.710110][ T2471] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.710112][ T2471] ? vsnprintf (lib/vsprintf.c:2900) [ 84.710115][ T2471] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.710117][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710118][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710119][ T2471] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.710122][ T2471] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.710124][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710125][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710126][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710127][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710129][ T2471] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 84.710131][ T2471] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.710133][ T2471] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.710136][ T2471] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.710138][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710140][ T2471] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.710141][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710142][ T2471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.710144][ T2471] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 84.710145][ T2471] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 84.710147][ T2471] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.710149][ T2471] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.710150][ T2471] vprintk_emit (kernel/printk/printk.c:2479) [ 84.710152][ T2471] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.710153][ T2471] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.710155][ T2471] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.710158][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710159][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710160][ T2471] _printk (kernel/printk/printk.c:2504) [ 84.710164][ T2471] ? snapshot_read.cold (user.c:?) [ 84.710166][ T2471] ? br_multicast_flood (??:?) [ 84.710169][ T2471] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 84.710172][ T2471] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 84.710173][ T2471] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.710175][ T2471] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 84.710177][ T2471] br_init_port (net/bridge/br_stp_if.c:39) [ 84.710179][ T2471] new_nbp (net/bridge/br_if.c:449) [ 84.710181][ T2471] br_add_if (net/bridge/br_if.c:592) [ 84.710183][ T2471] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 84.710187][ T2471] do_set_master (net/core/rtnetlink.c:3071) [ 84.710189][ T2471] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 84.710190][ T2471] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 84.710192][ T2471] ? __dev_get_by_name (net/core/dev.c:905) [ 84.710193][ T2471] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 84.710197][ T2471] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 84.710200][ T2471] rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.710202][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710203][ T2471] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.710204][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710206][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710207][ T2471] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 84.710210][ T2471] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 84.710211][ T2471] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 84.710214][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710215][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710216][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710217][ T2471] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.710219][ T2471] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.710220][ T2471] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.710221][ T2471] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.710223][ T2471] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 84.710227][ T2471] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.710230][ T2471] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.710231][ T2471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.710232][ T2471] ? netlink_ack (./include/linux/skbuff.h:2718) [ 84.710234][ T2471] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 84.710237][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710238][ T2471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.710240][ T2471] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.710242][ T2471] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 84.710244][ T2471] ? next_uptodate_folio (mm/filemap.c:3747) [ 84.710247][ T2471] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.710249][ T2471] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 84.710251][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710253][ T2471] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 84.710256][ T2471] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.710259][ T2471] ____sys_sendmsg (net/socket.c:2713) [ 84.710261][ T2471] ? copy_msghdr_from_user (net/socket.c:2650) [ 84.710262][ T2471] ? sock_write_iter (net/socket.c:1269) [ 84.710264][ T2471] ? move_addr_to_kernel (net/socket.c:258) [ 84.710266][ T2471] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 84.710268][ T2471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.710270][ T2471] ___sys_sendmsg (net/socket.c:2767) [ 84.710272][ T2471] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 84.710273][ T2471] ? copy_msghdr_from_user (net/socket.c:2619) [ 84.710279][ T2471] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 84.710283][ T2471] __sys_sendmsg (net/socket.c:2799) [ 84.710285][ T2471] ? __sys_sendmsg_sock (net/socket.c:2780) [ 84.710288][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710289][ T2471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.710290][ T2471] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.710293][ T2471] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 84.710295][ T2471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.710297][ T2471] RIP: 0033:0x7fa599d8754e [ 84.710299][ T2471] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 84.710301][ T2471] RSP: 002b:00007ffd1cee92c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 84.710304][ T2471] RAX: ffffffffffffffda RBX: 00007ffd1cee9a88 RCX: 00007fa599d8754e [ 84.710306][ T2471] RDX: 0000000000000000 RSI: 00007ffd1cee9370 RDI: 0000000000000005 [ 84.710307][ T2471] RBP: 00007ffd1cee92d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.710307][ T2471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167cc [ 84.710308][ T2471] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1cee9a40 | [ 86.154857][ T2540] softirqs last disabled at (0): 0x0 | [ 86.154859][ T2540] Preemption disabled at: | [ 86.154859][ T2540] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.154869][ T2540] Tainted: [W]=WARN [ 86.154870][ T2540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.154872][ T2540] Call Trace: [ 86.154874][ T2540] [ 86.154875][ T2540] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.154880][ T2540] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.154882][ T2540] __might_resched.cold (kernel/sched/core.c:9234) [ 86.154885][ T2540] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.154888][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154891][ T2540] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 86.154894][ T2540] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.154897][ T2540] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.154902][ T2540] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 86.154904][ T2540] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.154906][ T2540] put_chars (drivers/char/virtio_console.c:1176) [ 86.154908][ T2540] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.154909][ T2540] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 86.154911][ T2540] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 86.154913][ T2540] ? pointer (lib/vsprintf.c:2577) [ 86.154917][ T2540] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.154921][ T2540] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.154923][ T2540] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.154925][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.154927][ T2540] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.154930][ T2540] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.154932][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154933][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154934][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154935][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.154937][ T2540] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 86.154939][ T2540] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.154941][ T2540] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.154944][ T2540] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.154946][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.154948][ T2540] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.154949][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154950][ T2540] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.154952][ T2540] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 86.154953][ T2540] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 86.154955][ T2540] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.154957][ T2540] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.154958][ T2540] vprintk_emit (kernel/printk/printk.c:2479) [ 86.154960][ T2540] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.154961][ T2540] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 86.154963][ T2540] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 86.154966][ T2540] _printk (kernel/printk/printk.c:2504) [ 86.154969][ T2540] ? snapshot_read.cold (user.c:?) [ 86.154971][ T2540] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 86.154973][ T2540] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 86.154976][ T2540] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 86.154978][ T2540] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 86.154981][ T2540] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 86.154983][ T2540] ? netdev_notice (net/core/dev.c:13194) [ 86.154985][ T2540] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 86.154987][ T2540] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 86.154989][ T2540] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.154991][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154992][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.154993][ T2540] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.154996][ T2540] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 86.154998][ T2540] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 86.154999][ T2540] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 86.155000][ T2540] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 86.155002][ T2540] ? register_netdev (net/core/dev.c:11618) [ 86.155003][ T2540] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.155005][ T2540] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 86.155008][ T2540] ? __kernel_text_address (kernel/extable.c:79) [ 86.155010][ T2540] ? write_profile (profile.c:?) [ 86.155013][ T2540] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 86.155016][ T2540] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 86.155018][ T2540] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 86.155020][ T2540] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 86.155021][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155022][ T2540] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 86.155025][ T2540] ? kasan_save_stack (mm/kasan/common.c:58) [ 86.155027][ T2540] ? kasan_save_stack (mm/kasan/common.c:57) [ 86.155028][ T2540] ? kasan_save_track (mm/kasan/common.c:78) [ 86.155029][ T2540] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 86.155030][ T2540] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 86.155031][ T2540] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 86.155032][ T2540] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.155033][ T2540] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.155036][ T2540] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.155038][ T2540] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.155039][ T2540] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.155041][ T2540] ? ____sys_sendmsg (net/socket.c:2713) [ 86.155043][ T2540] ? ___sys_sendmsg (net/socket.c:2767) [ 86.155044][ T2540] ? __sys_sendmsg (net/socket.c:2799) [ 86.155046][ T2540] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.155049][ T2540] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.155051][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155052][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.155054][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155054][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155056][ T2540] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 86.155057][ T2540] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 86.155058][ T2540] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 86.155059][ T2540] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 86.155061][ T2540] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 86.155062][ T2540] ? nla_get_range_signed (lib/nlattr.c:270) [ 86.155065][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155066][ T2540] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 86.155068][ T2540] rtnl_newlink (net/core/rtnetlink.c:4215) [ 86.155070][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155071][ T2540] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.155073][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.155074][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155075][ T2540] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 86.155078][ T2540] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 86.155079][ T2540] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.155080][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155082][ T2540] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 86.155085][ T2540] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 86.155087][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155088][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.155089][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155091][ T2540] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.155092][ T2540] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.155093][ T2540] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.155095][ T2540] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.155096][ T2540] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 86.155099][ T2540] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.155100][ T2540] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.155102][ T2540] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.155103][ T2540] ? netlink_ack (./include/linux/skbuff.h:2718) [ 86.155105][ T2540] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 86.155108][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155109][ T2540] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.155111][ T2540] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.155113][ T2540] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 86.155115][ T2540] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.155117][ T2540] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.155119][ T2540] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 86.155121][ T2540] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.155122][ T2540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.155124][ T2540] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 86.155127][ T2540] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.155129][ T2540] ____sys_sendmsg (net/socket.c:2713) [ 86.155130][ T2540] ? copy_msghdr_from_user (net/socket.c:2650) [ 86.155132][ T2540] ? sock_write_iter (net/socket.c:1269) [ 86.155133][ T2540] ? move_addr_to_kernel (net/socket.c:258) [ 86.155135][ T2540] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.155138][ T2540] ___sys_sendmsg (net/socket.c:2767) [ 86.155140][ T2540] ? copy_msghdr_from_user (net/socket.c:2619) [ 86.155144][ T2540] __sys_sendmsg (net/socket.c:2799) [ 86.155146][ T2540] ? __sys_sendmsg_sock (net/socket.c:2780) [ 86.155149][ T2540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.155150][ T2540] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.155152][ T2540] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 86.155154][ T2540] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.155156][ T2540] RIP: 0033:0x7f5b7b01654e [ 86.155157][ T2540] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 86.155159][ T2540] RSP: 002b:00007ffd63fc1f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 86.155162][ T2540] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5b7b01654e [ 86.155164][ T2540] RDX: 0000000000000000 RSI: 00007ffd63fc1fe0 RDI: 0000000000000005 [ 86.155165][ T2540] RBP: 00007ffd63fc1f40 R08: 0000000000000000 R09: 0000000000000000 [ 86.155166][ T2540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167cd [ 86.155166][ T2540] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd63fc26a0 | [ 87.244101][ T2590] softirqs last disabled at (0): 0x0 | [ 87.244103][ T2590] Preemption disabled at: | [ 87.244104][ T2590] vprintk_emit (kernel/printk/printk.c:2471) | [ 87.244114][ T2590] Tainted: [W]=WARN [ 87.244115][ T2590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.244117][ T2590] Call Trace: [ 87.244118][ T2590] [ 87.244119][ T2590] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.244125][ T2590] ? vprintk_emit (kernel/printk/printk.c:2471) [ 87.244126][ T2590] __might_resched.cold (kernel/sched/core.c:9234) [ 87.244130][ T2590] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 87.244132][ T2590] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.244135][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244138][ T2590] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 87.244141][ T2590] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.244144][ T2590] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.244149][ T2590] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 87.244151][ T2590] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.244153][ T2590] put_chars (drivers/char/virtio_console.c:1176) [ 87.244154][ T2590] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.244156][ T2590] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 87.244159][ T2590] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.244163][ T2590] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.244165][ T2590] ? vsnprintf (lib/vsprintf.c:2900) [ 87.244168][ T2590] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.244170][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244171][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244173][ T2590] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.244175][ T2590] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.244177][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244178][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244179][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244180][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244183][ T2590] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 87.244184][ T2590] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.244187][ T2590] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.244189][ T2590] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.244191][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244193][ T2590] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.244194][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244195][ T2590] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.244197][ T2590] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 87.244198][ T2590] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 87.244200][ T2590] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.244202][ T2590] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.244203][ T2590] vprintk_emit (kernel/printk/printk.c:2479) [ 87.244205][ T2590] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.244206][ T2590] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.244207][ T2590] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.244210][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244212][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244213][ T2590] _printk (kernel/printk/printk.c:2504) [ 87.244216][ T2590] ? snapshot_read.cold (user.c:?) [ 87.244218][ T2590] ? br_multicast_flood (??:?) [ 87.244222][ T2590] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 87.244225][ T2590] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 87.244226][ T2590] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.244228][ T2590] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 87.244230][ T2590] br_init_port (net/bridge/br_stp_if.c:39) [ 87.244232][ T2590] new_nbp (net/bridge/br_if.c:449) [ 87.244234][ T2590] br_add_if (net/bridge/br_if.c:592) [ 87.244236][ T2590] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 87.244240][ T2590] do_set_master (net/core/rtnetlink.c:3071) [ 87.244242][ T2590] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 87.244244][ T2590] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 87.244245][ T2590] ? __dev_get_by_name (net/core/dev.c:905) [ 87.244247][ T2590] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 87.244251][ T2590] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 87.244253][ T2590] rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.244255][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244256][ T2590] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.244258][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244259][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244261][ T2590] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 87.244263][ T2590] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 87.244265][ T2590] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 87.244267][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244268][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244270][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244271][ T2590] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.244272][ T2590] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.244274][ T2590] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.244275][ T2590] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.244276][ T2590] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.244285][ T2590] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.244288][ T2590] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.244289][ T2590] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.244291][ T2590] ? netlink_ack (./include/linux/skbuff.h:2718) [ 87.244293][ T2590] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 87.244295][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244297][ T2590] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.244299][ T2590] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.244301][ T2590] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 87.244303][ T2590] ? next_uptodate_folio (mm/filemap.c:3747) [ 87.244306][ T2590] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.244308][ T2590] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 87.244310][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244311][ T2590] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 87.244315][ T2590] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.244318][ T2590] ____sys_sendmsg (net/socket.c:2713) [ 87.244319][ T2590] ? copy_msghdr_from_user (net/socket.c:2650) [ 87.244321][ T2590] ? sock_write_iter (net/socket.c:1269) [ 87.244322][ T2590] ? move_addr_to_kernel (net/socket.c:258) [ 87.244324][ T2590] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 87.244327][ T2590] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.244329][ T2590] ___sys_sendmsg (net/socket.c:2767) [ 87.244330][ T2590] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 87.244332][ T2590] ? copy_msghdr_from_user (net/socket.c:2619) [ 87.244334][ T2590] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 87.244338][ T2590] __sys_sendmsg (net/socket.c:2799) [ 87.244340][ T2590] ? __sys_sendmsg_sock (net/socket.c:2780) [ 87.244343][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244344][ T2590] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.244345][ T2590] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.244348][ T2590] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 87.244350][ T2590] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.244352][ T2590] RIP: 0033:0x7f16346a554e [ 87.244354][ T2590] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 87.244355][ T2590] RSP: 002b:00007ffcf5d1b660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 87.244359][ T2590] RAX: ffffffffffffffda RBX: 00007ffcf5d1be28 RCX: 00007f16346a554e [ 87.244361][ T2590] RDX: 0000000000000000 RSI: 00007ffcf5d1b710 RDI: 0000000000000005 [ 87.244361][ T2590] RBP: 00007ffcf5d1b670 R08: 0000000000000000 R09: 0000000000000000 [ 87.244362][ T2590] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167ce [ 87.244363][ T2590] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf5d1bde0 | [ 93.538345][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 93.538347][ T12] Preemption disabled at: | [ 93.538348][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 93.538358][ T12] Tainted: [W]=WARN [ 93.538359][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.538361][ T12] Workqueue: netns cleanup_net [ 93.538366][ T12] Call Trace: [ 93.538368][ T12] [ 93.538370][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.538375][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 93.538377][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 93.538380][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 93.538383][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.538386][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538388][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 93.538391][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.538394][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.538399][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 93.538400][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.538403][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 93.538405][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.538406][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.538409][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.538413][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.538415][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 93.538417][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.538419][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538420][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538422][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.538424][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.538427][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538427][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538428][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538429][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.538432][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.538433][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.538436][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.538438][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.538440][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.538442][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.538443][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538444][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.538446][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 93.538447][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.538449][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.538451][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.538452][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 93.538454][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.538455][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 93.538456][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.538459][ T12] ? kthread (kernel/kthread.c:436) [ 93.538461][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 93.538464][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 93.538467][ T12] _printk (kernel/printk/printk.c:2504) [ 93.538470][ T12] ? snapshot_read.cold (user.c:?) [ 93.538472][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 93.538475][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 93.538477][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 93.538479][ T12] ? netdev_notice (net/core/dev.c:13194) [ 93.538481][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538483][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 93.538484][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 93.538487][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 93.538488][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 93.538490][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 93.538492][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 93.538494][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 93.538498][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 93.538500][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 93.538503][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 93.538505][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 93.538507][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 93.538510][ T12] cleanup_net (net/core/net_namespace.c:706) [ 93.538511][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 93.538513][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.538515][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.538516][ T12] process_one_work (kernel/workqueue.c:3387) [ 93.538519][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 93.538521][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 93.538523][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.538526][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.538528][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 93.538530][ T12] kthread (kernel/kthread.c:436) [ 93.538532][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.538533][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.538535][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 93.538537][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 93.538539][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 93.538542][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.538543][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 94.742390][ T2783] softirqs last disabled at (0): 0x0 | [ 94.742392][ T2783] Preemption disabled at: | [ 94.742393][ T2783] vprintk_emit (kernel/printk/printk.c:2471) | [ 94.742402][ T2783] Tainted: [W]=WARN [ 94.742403][ T2783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.742405][ T2783] Call Trace: [ 94.742406][ T2783] [ 94.742408][ T2783] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.742413][ T2783] ? vprintk_emit (kernel/printk/printk.c:2471) [ 94.742414][ T2783] __might_resched.cold (kernel/sched/core.c:9234) [ 94.742418][ T2783] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 94.742420][ T2783] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.742423][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742426][ T2783] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 94.742429][ T2783] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.742432][ T2783] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.742437][ T2783] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 94.742439][ T2783] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.742441][ T2783] put_chars (drivers/char/virtio_console.c:1176) [ 94.742443][ T2783] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.742445][ T2783] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.742447][ T2783] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.742452][ T2783] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.742454][ T2783] ? vsnprintf (lib/vsprintf.c:2900) [ 94.742457][ T2783] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.742459][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742460][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742461][ T2783] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.742464][ T2783] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.742466][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742467][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742468][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742469][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742472][ T2783] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.742473][ T2783] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.742476][ T2783] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.742478][ T2783] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.742480][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742482][ T2783] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.742483][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742484][ T2783] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.742486][ T2783] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 94.742487][ T2783] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.742489][ T2783] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.742491][ T2783] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.742492][ T2783] vprintk_emit (kernel/printk/printk.c:2479) [ 94.742494][ T2783] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.742495][ T2783] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.742496][ T2783] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.742499][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742500][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742502][ T2783] _printk (kernel/printk/printk.c:2504) [ 94.742505][ T2783] ? snapshot_read.cold (user.c:?) [ 94.742507][ T2783] ? br_multicast_flood (??:?) [ 94.742510][ T2783] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 94.742513][ T2783] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 94.742514][ T2783] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.742516][ T2783] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 94.742518][ T2783] br_init_port (net/bridge/br_stp_if.c:39) [ 94.742520][ T2783] new_nbp (net/bridge/br_if.c:449) [ 94.742522][ T2783] br_add_if (net/bridge/br_if.c:592) [ 94.742524][ T2783] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 94.742528][ T2783] do_set_master (net/core/rtnetlink.c:3071) [ 94.742530][ T2783] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 94.742532][ T2783] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 94.742533][ T2783] ? __dev_get_by_name (net/core/dev.c:905) [ 94.742535][ T2783] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 94.742538][ T2783] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 94.742541][ T2783] rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.742543][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742544][ T2783] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.742545][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742547][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742548][ T2783] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 94.742551][ T2783] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 94.742552][ T2783] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 94.742555][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742556][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742557][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742558][ T2783] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.742560][ T2783] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.742561][ T2783] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.742562][ T2783] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.742564][ T2783] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.742567][ T2783] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.742570][ T2783] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.742572][ T2783] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.742573][ T2783] ? netlink_ack (./include/linux/skbuff.h:2718) [ 94.742575][ T2783] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 94.742577][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742579][ T2783] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.742581][ T2783] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.742583][ T2783] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 94.742584][ T2783] ? next_uptodate_folio (mm/filemap.c:3747) [ 94.742587][ T2783] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.742589][ T2783] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 94.742592][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742593][ T2783] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 94.742596][ T2783] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.742599][ T2783] ____sys_sendmsg (net/socket.c:2713) [ 94.742601][ T2783] ? copy_msghdr_from_user (net/socket.c:2650) [ 94.742603][ T2783] ? sock_write_iter (net/socket.c:1269) [ 94.742604][ T2783] ? move_addr_to_kernel (net/socket.c:258) [ 94.742606][ T2783] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 94.742608][ T2783] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.742610][ T2783] ___sys_sendmsg (net/socket.c:2767) [ 94.742612][ T2783] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 94.742614][ T2783] ? copy_msghdr_from_user (net/socket.c:2619) [ 94.742615][ T2783] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 94.742620][ T2783] __sys_sendmsg (net/socket.c:2799) [ 94.742622][ T2783] ? __sys_sendmsg_sock (net/socket.c:2780) [ 94.742624][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742625][ T2783] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.742626][ T2783] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.742629][ T2783] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 94.742631][ T2783] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.742632][ T2783] RIP: 0033:0x7f582300c54e [ 94.742634][ T2783] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 94.742636][ T2783] RSP: 002b:00007ffcbbbae6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 94.742640][ T2783] RAX: ffffffffffffffda RBX: 00007ffcbbbaeeb8 RCX: 00007f582300c54e [ 94.742642][ T2783] RDX: 0000000000000000 RSI: 00007ffcbbbae7a0 RDI: 0000000000000005 [ 94.742642][ T2783] RBP: 00007ffcbbbae700 R08: 0000000000000000 R09: 0000000000000000 [ 94.742643][ T2783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167d6 [ 94.742644][ T2783] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbbbaee70 | [ 96.132900][ T2852] softirqs last disabled at (0): 0x0 | [ 96.132901][ T2852] Preemption disabled at: | [ 96.132902][ T2852] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.132912][ T2852] Tainted: [W]=WARN [ 96.132913][ T2852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.132915][ T2852] Call Trace: [ 96.132917][ T2852] [ 96.132918][ T2852] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.132923][ T2852] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.132925][ T2852] __might_resched.cold (kernel/sched/core.c:9234) [ 96.132929][ T2852] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.132932][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.132935][ T2852] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 96.132938][ T2852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.132941][ T2852] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.132946][ T2852] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 96.132947][ T2852] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.132950][ T2852] put_chars (drivers/char/virtio_console.c:1176) [ 96.132952][ T2852] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.132953][ T2852] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 96.132956][ T2852] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.132958][ T2852] ? pointer (lib/vsprintf.c:2577) [ 96.132961][ T2852] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.132966][ T2852] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.132968][ T2852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.132969][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.132972][ T2852] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.132974][ T2852] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.132977][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.132978][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.132979][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.132980][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.132981][ T2852] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.132983][ T2852] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.132986][ T2852] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.132988][ T2852] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.132990][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.132992][ T2852] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.132993][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.132994][ T2852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.132996][ T2852] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 96.132997][ T2852] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.132999][ T2852] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.133001][ T2852] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.133002][ T2852] vprintk_emit (kernel/printk/printk.c:2479) [ 96.133004][ T2852] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.133005][ T2852] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 96.133007][ T2852] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 96.133010][ T2852] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 96.133013][ T2852] _printk (kernel/printk/printk.c:2504) [ 96.133016][ T2852] ? snapshot_read.cold (user.c:?) [ 96.133018][ T2852] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 96.133020][ T2852] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 96.133023][ T2852] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 96.133025][ T2852] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 96.133028][ T2852] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 96.133030][ T2852] ? netdev_notice (net/core/dev.c:13194) [ 96.133032][ T2852] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 96.133034][ T2852] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 96.133036][ T2852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.133038][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133039][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133040][ T2852] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 96.133041][ T2852] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 96.133043][ T2852] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 96.133044][ T2852] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 96.133045][ T2852] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 96.133047][ T2852] ? register_netdev (net/core/dev.c:11618) [ 96.133048][ T2852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.133050][ T2852] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 96.133053][ T2852] ? __kernel_text_address (kernel/extable.c:79) [ 96.133055][ T2852] ? write_profile (profile.c:?) [ 96.133058][ T2852] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 96.133062][ T2852] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 96.133063][ T2852] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 96.133065][ T2852] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 96.133066][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133068][ T2852] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.133071][ T2852] ? kasan_save_stack (mm/kasan/common.c:58) [ 96.133073][ T2852] ? kasan_save_stack (mm/kasan/common.c:57) [ 96.133074][ T2852] ? kasan_save_track (mm/kasan/common.c:78) [ 96.133075][ T2852] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 96.133076][ T2852] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 96.133077][ T2852] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 96.133078][ T2852] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.133079][ T2852] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.133082][ T2852] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.133084][ T2852] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.133085][ T2852] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.133088][ T2852] ? ____sys_sendmsg (net/socket.c:2713) [ 96.133089][ T2852] ? ___sys_sendmsg (net/socket.c:2767) [ 96.133091][ T2852] ? __sys_sendmsg (net/socket.c:2799) [ 96.133092][ T2852] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.133095][ T2852] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.133097][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133098][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.133100][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133101][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133102][ T2852] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 96.133103][ T2852] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 96.133104][ T2852] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 96.133105][ T2852] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 96.133107][ T2852] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 96.133108][ T2852] ? nla_get_range_signed (lib/nlattr.c:270) [ 96.133112][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133113][ T2852] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 96.133115][ T2852] rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.133117][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133118][ T2852] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.133119][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.133121][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133122][ T2852] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 96.133124][ T2852] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 96.133126][ T2852] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.133127][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133128][ T2852] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 96.133132][ T2852] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 96.133134][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133135][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.133137][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133138][ T2852] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.133139][ T2852] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.133141][ T2852] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.133142][ T2852] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.133144][ T2852] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.133146][ T2852] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.133148][ T2852] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.133149][ T2852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.133151][ T2852] ? netlink_ack (./include/linux/skbuff.h:2718) [ 96.133152][ T2852] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 96.133155][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133156][ T2852] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.133158][ T2852] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.133160][ T2852] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 96.133162][ T2852] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.133164][ T2852] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.133166][ T2852] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 96.133168][ T2852] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.133169][ T2852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.133171][ T2852] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 96.133174][ T2852] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.133176][ T2852] ____sys_sendmsg (net/socket.c:2713) [ 96.133178][ T2852] ? copy_msghdr_from_user (net/socket.c:2650) [ 96.133179][ T2852] ? sock_write_iter (net/socket.c:1269) [ 96.133181][ T2852] ? move_addr_to_kernel (net/socket.c:258) [ 96.133182][ T2852] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.133185][ T2852] ___sys_sendmsg (net/socket.c:2767) [ 96.133187][ T2852] ? copy_msghdr_from_user (net/socket.c:2619) [ 96.133192][ T2852] __sys_sendmsg (net/socket.c:2799) [ 96.133194][ T2852] ? __sys_sendmsg_sock (net/socket.c:2780) [ 96.133196][ T2852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.133198][ T2852] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.133199][ T2852] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 96.133201][ T2852] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.133203][ T2852] RIP: 0033:0x7f9fe65d354e [ 96.133205][ T2852] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 96.133207][ T2852] RSP: 002b:00007ffe01e136c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 96.133210][ T2852] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9fe65d354e [ 96.133211][ T2852] RDX: 0000000000000000 RSI: 00007ffe01e13770 RDI: 0000000000000005 [ 96.133212][ T2852] RBP: 00007ffe01e136d0 R08: 0000000000000000 R09: 0000000000000000 [ 96.133213][ T2852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167d7 [ 96.133214][ T2852] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe01e13e30 | [ 97.240911][ T2902] softirqs last disabled at (0): 0x0 | [ 97.240913][ T2902] Preemption disabled at: | [ 97.240914][ T2902] vprintk_emit (kernel/printk/printk.c:2471) | [ 97.240923][ T2902] Tainted: [W]=WARN [ 97.240924][ T2902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.240926][ T2902] Call Trace: [ 97.240927][ T2902] [ 97.240928][ T2902] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 97.240934][ T2902] ? vprintk_emit (kernel/printk/printk.c:2471) [ 97.240935][ T2902] __might_resched.cold (kernel/sched/core.c:9234) [ 97.240939][ T2902] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 97.240941][ T2902] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 97.240944][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.240949][ T2902] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 97.240952][ T2902] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.240955][ T2902] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.240960][ T2902] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 97.240961][ T2902] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.240964][ T2902] put_chars (drivers/char/virtio_console.c:1176) [ 97.240965][ T2902] ? __send_to_port (drivers/char/virtio_console.c:654) [ 97.240967][ T2902] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 97.240969][ T2902] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 97.240974][ T2902] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 97.240975][ T2902] ? vsnprintf (lib/vsprintf.c:2900) [ 97.240979][ T2902] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.240980][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.240981][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.240983][ T2902] console_emit_next_record (kernel/printk/printk.c:3183) [ 97.240986][ T2902] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 97.240988][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.240989][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.240990][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.240991][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.240993][ T2902] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 97.240995][ T2902] console_flush_one_record (kernel/printk/printk.c:3268) [ 97.240997][ T2902] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 97.241000][ T2902] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 97.241001][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241003][ T2902] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 97.241005][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241006][ T2902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.241007][ T2902] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 97.241009][ T2902] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 97.241010][ T2902] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 97.241012][ T2902] ? vprintk_emit (kernel/printk/printk.c:2478) [ 97.241013][ T2902] vprintk_emit (kernel/printk/printk.c:2479) [ 97.241015][ T2902] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 97.241016][ T2902] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.241018][ T2902] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.241020][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241022][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241023][ T2902] _printk (kernel/printk/printk.c:2504) [ 97.241026][ T2902] ? snapshot_read.cold (user.c:?) [ 97.241028][ T2902] ? br_multicast_flood (??:?) [ 97.241031][ T2902] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 97.241034][ T2902] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 97.241035][ T2902] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.241037][ T2902] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 97.241039][ T2902] br_init_port (net/bridge/br_stp_if.c:39) [ 97.241041][ T2902] new_nbp (net/bridge/br_if.c:449) [ 97.241043][ T2902] br_add_if (net/bridge/br_if.c:592) [ 97.241045][ T2902] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 97.241049][ T2902] do_set_master (net/core/rtnetlink.c:3071) [ 97.241051][ T2902] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 97.241053][ T2902] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 97.241054][ T2902] ? __dev_get_by_name (net/core/dev.c:905) [ 97.241056][ T2902] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 97.241059][ T2902] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 97.241062][ T2902] rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.241064][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241065][ T2902] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.241066][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241068][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241069][ T2902] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 97.241072][ T2902] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 97.241073][ T2902] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 97.241076][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241077][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241078][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241079][ T2902] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.241080][ T2902] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.241082][ T2902] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.241083][ T2902] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.241085][ T2902] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.241088][ T2902] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.241091][ T2902] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.241093][ T2902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.241094][ T2902] ? netlink_ack (./include/linux/skbuff.h:2718) [ 97.241096][ T2902] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 97.241099][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241100][ T2902] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.241102][ T2902] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.241104][ T2902] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 97.241106][ T2902] ? next_uptodate_folio (mm/filemap.c:3747) [ 97.241108][ T2902] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.241111][ T2902] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 97.241112][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241114][ T2902] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 97.241117][ T2902] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.241120][ T2902] ____sys_sendmsg (net/socket.c:2713) [ 97.241122][ T2902] ? copy_msghdr_from_user (net/socket.c:2650) [ 97.241124][ T2902] ? sock_write_iter (net/socket.c:1269) [ 97.241125][ T2902] ? move_addr_to_kernel (net/socket.c:258) [ 97.241127][ T2902] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 97.241130][ T2902] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.241131][ T2902] ___sys_sendmsg (net/socket.c:2767) [ 97.241133][ T2902] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 97.241135][ T2902] ? copy_msghdr_from_user (net/socket.c:2619) [ 97.241136][ T2902] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 97.241141][ T2902] __sys_sendmsg (net/socket.c:2799) [ 97.241143][ T2902] ? __sys_sendmsg_sock (net/socket.c:2780) [ 97.241145][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241147][ T2902] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.241148][ T2902] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.241150][ T2902] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 97.241152][ T2902] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.241154][ T2902] RIP: 0033:0x7fa42d5fd54e [ 97.241156][ T2902] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 97.241158][ T2902] RSP: 002b:00007ffff1b78450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 97.241161][ T2902] RAX: ffffffffffffffda RBX: 00007ffff1b78c18 RCX: 00007fa42d5fd54e [ 97.241163][ T2902] RDX: 0000000000000000 RSI: 00007ffff1b78500 RDI: 0000000000000005 [ 97.241164][ T2902] RBP: 00007ffff1b78460 R08: 0000000000000000 R09: 0000000000000000 [ 97.241164][ T2902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167d8 [ 97.241165][ T2902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff1b78bd0 | [ 104.208716][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 104.208718][ T12] Preemption disabled at: | [ 104.208719][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 104.208730][ T12] Tainted: [W]=WARN [ 104.208731][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.208732][ T12] Workqueue: netns cleanup_net [ 104.208738][ T12] Call Trace: [ 104.208740][ T12] [ 104.208741][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.208747][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 104.208749][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 104.208752][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 104.208754][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.208757][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208760][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 104.208763][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.208766][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.208770][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 104.208772][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.208775][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 104.208776][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.208778][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.208780][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.208785][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.208787][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 104.208789][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.208791][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208792][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208794][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.208796][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.208798][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208799][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208800][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208801][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.208803][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.208805][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.208808][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.208810][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.208812][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.208814][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.208815][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208816][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.208818][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 104.208819][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.208821][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.208823][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.208824][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 104.208826][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.208827][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 104.208828][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 104.208831][ T12] ? kthread (kernel/kthread.c:436) [ 104.208833][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 104.208836][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 104.208842][ T12] _printk (kernel/printk/printk.c:2504) [ 104.208846][ T12] ? snapshot_read.cold (user.c:?) [ 104.208848][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 104.208851][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 104.208853][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 104.208855][ T12] ? netdev_notice (net/core/dev.c:13194) [ 104.208858][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208859][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 104.208860][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 104.208863][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 104.208864][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 104.208866][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 104.208868][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 104.208871][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 104.208875][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 104.208877][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 104.208879][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 104.208881][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 104.208883][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 104.208886][ T12] cleanup_net (net/core/net_namespace.c:706) [ 104.208888][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 104.208890][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.208892][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.208893][ T12] process_one_work (kernel/workqueue.c:3387) [ 104.208896][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 104.208898][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 104.208900][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.208903][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 104.208905][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.208907][ T12] kthread (kernel/kthread.c:436) [ 104.208909][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.208911][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 104.208912][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 104.208914][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 104.208916][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 104.208919][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 104.208921][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 105.601091][ T3162] softirqs last disabled at (0): 0x0 | [ 105.601092][ T3162] Preemption disabled at: | [ 105.601093][ T3162] vprintk_emit (kernel/printk/printk.c:2471) | [ 105.601103][ T3162] Tainted: [W]=WARN [ 105.601104][ T3162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.601106][ T3162] Call Trace: [ 105.601107][ T3162] [ 105.601109][ T3162] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 105.601114][ T3162] ? vprintk_emit (kernel/printk/printk.c:2471) [ 105.601116][ T3162] __might_resched.cold (kernel/sched/core.c:9234) [ 105.601119][ T3162] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 105.601122][ T3162] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 105.601125][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601128][ T3162] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 105.601131][ T3162] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 105.601134][ T3162] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 105.601139][ T3162] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 105.601140][ T3162] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 105.601143][ T3162] put_chars (drivers/char/virtio_console.c:1176) [ 105.601144][ T3162] ? __send_to_port (drivers/char/virtio_console.c:654) [ 105.601146][ T3162] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 105.601149][ T3162] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 105.601153][ T3162] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 105.601155][ T3162] ? vsnprintf (lib/vsprintf.c:2900) [ 105.601158][ T3162] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 105.601160][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601161][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601163][ T3162] console_emit_next_record (kernel/printk/printk.c:3183) [ 105.601165][ T3162] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 105.601167][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601168][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601169][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601170][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601173][ T3162] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 105.601174][ T3162] console_flush_one_record (kernel/printk/printk.c:3268) [ 105.601177][ T3162] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 105.601180][ T3162] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 105.601181][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601183][ T3162] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 105.601185][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601186][ T3162] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 105.601187][ T3162] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 105.601189][ T3162] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 105.601190][ T3162] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 105.601192][ T3162] ? vprintk_emit (kernel/printk/printk.c:2478) [ 105.601193][ T3162] vprintk_emit (kernel/printk/printk.c:2479) [ 105.601195][ T3162] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 105.601196][ T3162] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 105.601198][ T3162] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 105.601200][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601202][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601203][ T3162] _printk (kernel/printk/printk.c:2504) [ 105.601206][ T3162] ? snapshot_read.cold (user.c:?) [ 105.601208][ T3162] ? br_multicast_flood (??:?) [ 105.601211][ T3162] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 105.601214][ T3162] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 105.601215][ T3162] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 105.601217][ T3162] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 105.601220][ T3162] br_init_port (net/bridge/br_stp_if.c:39) [ 105.601222][ T3162] new_nbp (net/bridge/br_if.c:449) [ 105.601224][ T3162] br_add_if (net/bridge/br_if.c:592) [ 105.601225][ T3162] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 105.601230][ T3162] do_set_master (net/core/rtnetlink.c:3071) [ 105.601231][ T3162] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 105.601233][ T3162] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 105.601234][ T3162] ? __dev_get_by_name (net/core/dev.c:905) [ 105.601236][ T3162] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 105.601240][ T3162] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 105.601243][ T3162] rtnl_newlink (net/core/rtnetlink.c:4215) [ 105.601245][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601246][ T3162] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 105.601247][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601249][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601250][ T3162] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 105.601252][ T3162] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 105.601254][ T3162] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 105.601257][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601258][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601260][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601261][ T3162] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 105.601262][ T3162] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 105.601264][ T3162] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 105.601265][ T3162] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 105.601266][ T3162] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 105.601270][ T3162] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 105.601273][ T3162] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 105.601274][ T3162] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 105.601276][ T3162] ? netlink_ack (./include/linux/skbuff.h:2718) [ 105.601277][ T3162] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 105.601280][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601281][ T3162] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 105.601283][ T3162] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 105.601285][ T3162] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 105.601287][ T3162] ? next_uptodate_folio (mm/filemap.c:3747) [ 105.601290][ T3162] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 105.601293][ T3162] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 105.601295][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601296][ T3162] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 105.601299][ T3162] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 105.601302][ T3162] ____sys_sendmsg (net/socket.c:2713) [ 105.601304][ T3162] ? copy_msghdr_from_user (net/socket.c:2650) [ 105.601305][ T3162] ? sock_write_iter (net/socket.c:1269) [ 105.601307][ T3162] ? move_addr_to_kernel (net/socket.c:258) [ 105.601309][ T3162] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 105.601315][ T3162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.601317][ T3162] ___sys_sendmsg (net/socket.c:2767) [ 105.601319][ T3162] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 105.601321][ T3162] ? copy_msghdr_from_user (net/socket.c:2619) [ 105.601322][ T3162] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 105.601327][ T3162] __sys_sendmsg (net/socket.c:2799) [ 105.601329][ T3162] ? __sys_sendmsg_sock (net/socket.c:2780) [ 105.601331][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601333][ T3162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.601334][ T3162] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 105.601336][ T3162] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 105.601338][ T3162] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 105.601340][ T3162] RIP: 0033:0x7f4fb1f9754e [ 105.601342][ T3162] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 105.601344][ T3162] RSP: 002b:00007ffef3398400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 105.601348][ T3162] RAX: ffffffffffffffda RBX: 00007ffef3398bc8 RCX: 00007f4fb1f9754e [ 105.601349][ T3162] RDX: 0000000000000000 RSI: 00007ffef33984b0 RDI: 0000000000000005 [ 105.601350][ T3162] RBP: 00007ffef3398410 R08: 0000000000000000 R09: 0000000000000000 [ 105.601351][ T3162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167e1 [ 105.601352][ T3162] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef3398b80 | [ 107.088186][ T3230] softirqs last disabled at (0): 0x0 | [ 107.088188][ T3230] Preemption disabled at: | [ 107.088188][ T3230] vprintk_emit (kernel/printk/printk.c:2471) | [ 107.088198][ T3230] Tainted: [W]=WARN [ 107.088200][ T3230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.088202][ T3230] Call Trace: [ 107.088203][ T3230] [ 107.088204][ T3230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 107.088210][ T3230] ? vprintk_emit (kernel/printk/printk.c:2471) [ 107.088211][ T3230] __might_resched.cold (kernel/sched/core.c:9234) [ 107.088215][ T3230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 107.088219][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088221][ T3230] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 107.088224][ T3230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 107.088227][ T3230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 107.088232][ T3230] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 107.088234][ T3230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 107.088237][ T3230] put_chars (drivers/char/virtio_console.c:1176) [ 107.088238][ T3230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 107.088240][ T3230] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 107.088242][ T3230] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 107.088244][ T3230] ? pointer (lib/vsprintf.c:2577) [ 107.088248][ T3230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 107.088253][ T3230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 107.088254][ T3230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 107.088257][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088259][ T3230] console_emit_next_record (kernel/printk/printk.c:3183) [ 107.088262][ T3230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 107.088264][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088265][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088267][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088268][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088270][ T3230] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 107.088272][ T3230] console_flush_one_record (kernel/printk/printk.c:3268) [ 107.088274][ T3230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 107.088277][ T3230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 107.088280][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088281][ T3230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 107.088283][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088284][ T3230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 107.088286][ T3230] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 107.088288][ T3230] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 107.088289][ T3230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 107.088291][ T3230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 107.088293][ T3230] vprintk_emit (kernel/printk/printk.c:2479) [ 107.088295][ T3230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 107.088296][ T3230] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 107.088299][ T3230] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 107.088302][ T3230] _printk (kernel/printk/printk.c:2504) [ 107.088305][ T3230] ? snapshot_read.cold (user.c:?) [ 107.088307][ T3230] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 107.088309][ T3230] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 107.088313][ T3230] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 107.088323][ T3230] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 107.088326][ T3230] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 107.088328][ T3230] ? netdev_notice (net/core/dev.c:13194) [ 107.088331][ T3230] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 107.088332][ T3230] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 107.088335][ T3230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 107.088337][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088338][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088339][ T3230] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 107.088342][ T3230] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 107.088344][ T3230] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 107.088345][ T3230] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 107.088347][ T3230] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 107.088349][ T3230] ? register_netdev (net/core/dev.c:11618) [ 107.088351][ T3230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 107.088353][ T3230] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 107.088355][ T3230] ? __kernel_text_address (kernel/extable.c:79) [ 107.088358][ T3230] ? write_profile (profile.c:?) [ 107.088361][ T3230] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 107.088365][ T3230] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 107.088367][ T3230] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 107.088368][ T3230] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 107.088370][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088371][ T3230] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 107.088374][ T3230] ? kasan_save_stack (mm/kasan/common.c:58) [ 107.088376][ T3230] ? kasan_save_stack (mm/kasan/common.c:57) [ 107.088378][ T3230] ? kasan_save_track (mm/kasan/common.c:78) [ 107.088379][ T3230] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 107.088380][ T3230] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 107.088381][ T3230] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 107.088382][ T3230] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 107.088384][ T3230] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 107.088386][ T3230] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 107.088388][ T3230] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 107.088390][ T3230] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 107.088392][ T3230] ? ____sys_sendmsg (net/socket.c:2713) [ 107.088394][ T3230] ? ___sys_sendmsg (net/socket.c:2767) [ 107.088396][ T3230] ? __sys_sendmsg (net/socket.c:2799) [ 107.088398][ T3230] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 107.088400][ T3230] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 107.088403][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088404][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088406][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088407][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088408][ T3230] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 107.088410][ T3230] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 107.088411][ T3230] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 107.088412][ T3230] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 107.088414][ T3230] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 107.088415][ T3230] ? nla_get_range_signed (lib/nlattr.c:270) [ 107.088419][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088420][ T3230] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 107.088423][ T3230] rtnl_newlink (net/core/rtnetlink.c:4215) [ 107.088425][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088426][ T3230] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 107.088428][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088430][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088431][ T3230] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 107.088434][ T3230] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 107.088435][ T3230] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 107.088437][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088438][ T3230] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 107.088441][ T3230] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 107.088444][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088445][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088447][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088448][ T3230] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 107.088449][ T3230] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 107.088451][ T3230] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 107.088452][ T3230] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 107.088454][ T3230] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 107.088456][ T3230] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 107.088458][ T3230] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 107.088460][ T3230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 107.088461][ T3230] ? netlink_ack (./include/linux/skbuff.h:2718) [ 107.088463][ T3230] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 107.088466][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088468][ T3230] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 107.088470][ T3230] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 107.088472][ T3230] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 107.088474][ T3230] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 107.088476][ T3230] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 107.088478][ T3230] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 107.088480][ T3230] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 107.088482][ T3230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 107.088483][ T3230] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 107.088486][ T3230] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 107.088488][ T3230] ____sys_sendmsg (net/socket.c:2713) [ 107.088490][ T3230] ? copy_msghdr_from_user (net/socket.c:2650) [ 107.088492][ T3230] ? sock_write_iter (net/socket.c:1269) [ 107.088493][ T3230] ? move_addr_to_kernel (net/socket.c:258) [ 107.088494][ T3230] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 107.088497][ T3230] ___sys_sendmsg (net/socket.c:2767) [ 107.088499][ T3230] ? copy_msghdr_from_user (net/socket.c:2619) [ 107.088503][ T3230] __sys_sendmsg (net/socket.c:2799) [ 107.088505][ T3230] ? __sys_sendmsg_sock (net/socket.c:2780) [ 107.088508][ T3230] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 107.088510][ T3230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 107.088511][ T3230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 107.088513][ T3230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 107.088515][ T3230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 107.088516][ T3230] RIP: 0033:0x7f8d8f05b54e [ 107.088518][ T3230] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 107.088520][ T3230] RSP: 002b:00007ffe86c32dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 107.088523][ T3230] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8d8f05b54e [ 107.088525][ T3230] RDX: 0000000000000000 RSI: 00007ffe86c32e70 RDI: 0000000000000005 [ 107.088526][ T3230] RBP: 00007ffe86c32dd0 R08: 0000000000000000 R09: 0000000000000000 [ 107.088527][ T3230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167e2 [ 107.088528][ T3230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe86c33530 | [ 108.288701][ T3288] softirqs last disabled at (0): 0x0 | [ 108.288703][ T3288] Preemption disabled at: | [ 108.288704][ T3288] vprintk_emit (kernel/printk/printk.c:2471) | [ 108.288714][ T3288] Tainted: [W]=WARN [ 108.288715][ T3288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.288717][ T3288] Call Trace: [ 108.288719][ T3288] [ 108.288720][ T3288] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 108.288726][ T3288] ? vprintk_emit (kernel/printk/printk.c:2471) [ 108.288727][ T3288] __might_resched.cold (kernel/sched/core.c:9234) [ 108.288731][ T3288] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 108.288733][ T3288] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 108.288736][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288739][ T3288] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 108.288741][ T3288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 108.288745][ T3288] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 108.288749][ T3288] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 108.288751][ T3288] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 108.288753][ T3288] put_chars (drivers/char/virtio_console.c:1176) [ 108.288755][ T3288] ? __send_to_port (drivers/char/virtio_console.c:654) [ 108.288757][ T3288] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 108.288759][ T3288] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 108.288763][ T3288] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 108.288765][ T3288] ? vsnprintf (lib/vsprintf.c:2900) [ 108.288768][ T3288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 108.288770][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288771][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288773][ T3288] console_emit_next_record (kernel/printk/printk.c:3183) [ 108.288775][ T3288] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 108.288777][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288778][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288779][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288780][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288783][ T3288] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 108.288784][ T3288] console_flush_one_record (kernel/printk/printk.c:3268) [ 108.288787][ T3288] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 108.288789][ T3288] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 108.288791][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288793][ T3288] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 108.288794][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288795][ T3288] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 108.288797][ T3288] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 108.288798][ T3288] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 108.288800][ T3288] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 108.288802][ T3288] ? vprintk_emit (kernel/printk/printk.c:2478) [ 108.288803][ T3288] vprintk_emit (kernel/printk/printk.c:2479) [ 108.288805][ T3288] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 108.288806][ T3288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 108.288808][ T3288] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 108.288811][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288812][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288814][ T3288] _printk (kernel/printk/printk.c:2504) [ 108.288816][ T3288] ? snapshot_read.cold (user.c:?) [ 108.288818][ T3288] ? br_multicast_flood (??:?) [ 108.288822][ T3288] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 108.288825][ T3288] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 108.288826][ T3288] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 108.288827][ T3288] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 108.288830][ T3288] br_init_port (net/bridge/br_stp_if.c:39) [ 108.288832][ T3288] new_nbp (net/bridge/br_if.c:449) [ 108.288834][ T3288] br_add_if (net/bridge/br_if.c:592) [ 108.288836][ T3288] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 108.288843][ T3288] do_set_master (net/core/rtnetlink.c:3071) [ 108.288844][ T3288] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 108.288846][ T3288] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 108.288847][ T3288] ? __dev_get_by_name (net/core/dev.c:905) [ 108.288849][ T3288] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 108.288853][ T3288] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 108.288856][ T3288] rtnl_newlink (net/core/rtnetlink.c:4215) [ 108.288857][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288859][ T3288] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 108.288860][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288861][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288863][ T3288] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 108.288865][ T3288] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 108.288867][ T3288] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 108.288869][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288870][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288872][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288873][ T3288] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 108.288874][ T3288] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 108.288876][ T3288] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 108.288877][ T3288] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 108.288879][ T3288] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 108.288882][ T3288] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 108.288886][ T3288] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 108.288887][ T3288] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 108.288888][ T3288] ? netlink_ack (./include/linux/skbuff.h:2718) [ 108.288890][ T3288] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 108.288893][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288894][ T3288] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 108.288896][ T3288] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 108.288898][ T3288] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 108.288900][ T3288] ? next_uptodate_folio (mm/filemap.c:3747) [ 108.288903][ T3288] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 108.288905][ T3288] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 108.288907][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288909][ T3288] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 108.288912][ T3288] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 108.288915][ T3288] ____sys_sendmsg (net/socket.c:2713) [ 108.288917][ T3288] ? copy_msghdr_from_user (net/socket.c:2650) [ 108.288918][ T3288] ? sock_write_iter (net/socket.c:1269) [ 108.288920][ T3288] ? move_addr_to_kernel (net/socket.c:258) [ 108.288922][ T3288] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 108.288924][ T3288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.288926][ T3288] ___sys_sendmsg (net/socket.c:2767) [ 108.288928][ T3288] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 108.288929][ T3288] ? copy_msghdr_from_user (net/socket.c:2619) [ 108.288931][ T3288] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 108.288935][ T3288] __sys_sendmsg (net/socket.c:2799) [ 108.288937][ T3288] ? __sys_sendmsg_sock (net/socket.c:2780) [ 108.288940][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288941][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.288942][ T3288] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 108.288945][ T3288] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 108.288947][ T3288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 108.288949][ T3288] RIP: 0033:0x7fbcb8f1154e [ 108.288951][ T3288] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 108.288953][ T3288] RSP: 002b:00007ffecc7b0150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 108.288956][ T3288] RAX: ffffffffffffffda RBX: 00007ffecc7b0918 RCX: 00007fbcb8f1154e [ 108.288958][ T3288] RDX: 0000000000000000 RSI: 00007ffecc7b0200 RDI: 0000000000000005 [ 108.288958][ T3288] RBP: 00007ffecc7b0160 R08: 0000000000000000 R09: 0000000000000000 [ 108.288959][ T3288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167e3 [ 108.288960][ T3288] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecc7b08d0 | [ 115.304420][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 115.304423][ T12] Preemption disabled at: | [ 115.304424][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 115.304434][ T12] Tainted: [W]=WARN [ 115.304435][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.304437][ T12] Workqueue: netns cleanup_net [ 115.304443][ T12] Call Trace: [ 115.304445][ T12] [ 115.304446][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 115.304452][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 115.304453][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 115.304456][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 115.304459][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 115.304462][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304464][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 115.304467][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 115.304470][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 115.304475][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 115.304477][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 115.304480][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 115.304481][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 115.304483][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 115.304486][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 115.304490][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 115.304492][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 115.304494][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 115.304496][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304497][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304499][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 115.304501][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 115.304504][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304505][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304506][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304507][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.304509][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 115.304511][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 115.304513][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 115.304516][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 115.304517][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.304519][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 115.304521][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304522][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 115.304523][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 115.304525][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 115.304526][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 115.304528][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 115.304529][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 115.304531][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 115.304532][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 115.304534][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 115.304537][ T12] ? kthread (kernel/kthread.c:436) [ 115.304539][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 115.304542][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 115.304544][ T12] _printk (kernel/printk/printk.c:2504) [ 115.304547][ T12] ? snapshot_read.cold (user.c:?) [ 115.304549][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 115.304553][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 115.304555][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 115.304557][ T12] ? netdev_notice (net/core/dev.c:13194) [ 115.304559][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304561][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 115.304562][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 115.304565][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 115.304566][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 115.304568][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 115.304570][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 115.304572][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 115.304576][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 115.304578][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 115.304581][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 115.304583][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 115.304585][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 115.304587][ T12] cleanup_net (net/core/net_namespace.c:706) [ 115.304589][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 115.304591][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.304593][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.304594][ T12] process_one_work (kernel/workqueue.c:3387) [ 115.304597][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 115.304599][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 115.304601][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 115.304604][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 115.304607][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 115.304609][ T12] kthread (kernel/kthread.c:436) [ 115.304610][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 115.304612][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 115.304614][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 115.304615][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 115.304617][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 115.304620][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 115.304622][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 116.582549][ T3546] softirqs last disabled at (0): 0x0 | [ 116.582550][ T3546] Preemption disabled at: | [ 116.582551][ T3546] vprintk_emit (kernel/printk/printk.c:2471) | [ 116.582561][ T3546] Tainted: [W]=WARN [ 116.582562][ T3546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.582564][ T3546] Call Trace: [ 116.582565][ T3546] [ 116.582566][ T3546] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 116.582572][ T3546] ? vprintk_emit (kernel/printk/printk.c:2471) [ 116.582573][ T3546] __might_resched.cold (kernel/sched/core.c:9234) [ 116.582577][ T3546] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 116.582579][ T3546] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 116.582582][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582585][ T3546] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 116.582587][ T3546] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 116.582591][ T3546] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 116.582595][ T3546] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 116.582597][ T3546] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 116.582600][ T3546] put_chars (drivers/char/virtio_console.c:1176) [ 116.582601][ T3546] ? __send_to_port (drivers/char/virtio_console.c:654) [ 116.582603][ T3546] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 116.582605][ T3546] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 116.582610][ T3546] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 116.582612][ T3546] ? vsnprintf (lib/vsprintf.c:2900) [ 116.582615][ T3546] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 116.582617][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582618][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582620][ T3546] console_emit_next_record (kernel/printk/printk.c:3183) [ 116.582623][ T3546] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 116.582625][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582626][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582627][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582628][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582630][ T3546] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 116.582632][ T3546] console_flush_one_record (kernel/printk/printk.c:3268) [ 116.582634][ T3546] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 116.582637][ T3546] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 116.582639][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582640][ T3546] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 116.582642][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582643][ T3546] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 116.582644][ T3546] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 116.582646][ T3546] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 116.582647][ T3546] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 116.582649][ T3546] ? vprintk_emit (kernel/printk/printk.c:2478) [ 116.582651][ T3546] vprintk_emit (kernel/printk/printk.c:2479) [ 116.582652][ T3546] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 116.582653][ T3546] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 116.582655][ T3546] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 116.582658][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582660][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582661][ T3546] _printk (kernel/printk/printk.c:2504) [ 116.582664][ T3546] ? snapshot_read.cold (user.c:?) [ 116.582666][ T3546] ? br_multicast_flood (??:?) [ 116.582669][ T3546] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 116.582672][ T3546] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 116.582673][ T3546] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 116.582675][ T3546] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 116.582677][ T3546] br_init_port (net/bridge/br_stp_if.c:39) [ 116.582679][ T3546] new_nbp (net/bridge/br_if.c:449) [ 116.582681][ T3546] br_add_if (net/bridge/br_if.c:592) [ 116.582683][ T3546] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 116.582687][ T3546] do_set_master (net/core/rtnetlink.c:3071) [ 116.582689][ T3546] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 116.582691][ T3546] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 116.582692][ T3546] ? __dev_get_by_name (net/core/dev.c:905) [ 116.582694][ T3546] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 116.582698][ T3546] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 116.582700][ T3546] rtnl_newlink (net/core/rtnetlink.c:4215) [ 116.582702][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582704][ T3546] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 116.582705][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582706][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582708][ T3546] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 116.582710][ T3546] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 116.582712][ T3546] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 116.582715][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582716][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582717][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582718][ T3546] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 116.582720][ T3546] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 116.582721][ T3546] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 116.582723][ T3546] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 116.582724][ T3546] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 116.582728][ T3546] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 116.582730][ T3546] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 116.582732][ T3546] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 116.582733][ T3546] ? netlink_ack (./include/linux/skbuff.h:2718) [ 116.582735][ T3546] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 116.582738][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582739][ T3546] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 116.582741][ T3546] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 116.582743][ T3546] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 116.582745][ T3546] ? next_uptodate_folio (mm/filemap.c:3747) [ 116.582748][ T3546] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 116.582750][ T3546] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 116.582752][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582754][ T3546] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 116.582757][ T3546] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 116.582760][ T3546] ____sys_sendmsg (net/socket.c:2713) [ 116.582761][ T3546] ? copy_msghdr_from_user (net/socket.c:2650) [ 116.582763][ T3546] ? sock_write_iter (net/socket.c:1269) [ 116.582765][ T3546] ? move_addr_to_kernel (net/socket.c:258) [ 116.582767][ T3546] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 116.582769][ T3546] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 116.582771][ T3546] ___sys_sendmsg (net/socket.c:2767) [ 116.582772][ T3546] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 116.582774][ T3546] ? copy_msghdr_from_user (net/socket.c:2619) [ 116.582776][ T3546] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 116.582781][ T3546] __sys_sendmsg (net/socket.c:2799) [ 116.582783][ T3546] ? __sys_sendmsg_sock (net/socket.c:2780) [ 116.582785][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582786][ T3546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 116.582788][ T3546] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 116.582791][ T3546] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 116.582793][ T3546] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 116.582795][ T3546] RIP: 0033:0x7f4a8cd3d54e [ 116.582797][ T3546] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 116.582799][ T3546] RSP: 002b:00007ffef1242490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 116.582803][ T3546] RAX: ffffffffffffffda RBX: 00007ffef1242c58 RCX: 00007f4a8cd3d54e [ 116.582804][ T3546] RDX: 0000000000000000 RSI: 00007ffef1242540 RDI: 0000000000000005 [ 116.582805][ T3546] RBP: 00007ffef12424a0 R08: 0000000000000000 R09: 0000000000000000 [ 116.582806][ T3546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167ec [ 116.582807][ T3546] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef1242c10 | [ 118.062859][ T3613] softirqs last disabled at (0): 0x0 | [ 118.062861][ T3613] Preemption disabled at: | [ 118.062862][ T3613] vprintk_emit (kernel/printk/printk.c:2471) | [ 118.062872][ T3613] Tainted: [W]=WARN [ 118.062873][ T3613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.062874][ T3613] Call Trace: [ 118.062876][ T3613] [ 118.062877][ T3613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 118.062883][ T3613] ? vprintk_emit (kernel/printk/printk.c:2471) [ 118.062885][ T3613] __might_resched.cold (kernel/sched/core.c:9234) [ 118.062889][ T3613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 118.062892][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.062895][ T3613] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 118.062898][ T3613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.062901][ T3613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.062906][ T3613] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 118.062908][ T3613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.062911][ T3613] put_chars (drivers/char/virtio_console.c:1176) [ 118.062913][ T3613] ? __send_to_port (drivers/char/virtio_console.c:654) [ 118.062914][ T3613] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 118.062916][ T3613] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 118.062918][ T3613] ? pointer (lib/vsprintf.c:2577) [ 118.062922][ T3613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 118.062927][ T3613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 118.062929][ T3613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.062931][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.062934][ T3613] console_emit_next_record (kernel/printk/printk.c:3183) [ 118.062936][ T3613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 118.062939][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.062940][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.062941][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.062942][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.062944][ T3613] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 118.062946][ T3613] console_flush_one_record (kernel/printk/printk.c:3268) [ 118.062948][ T3613] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 118.062951][ T3613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 118.062953][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.062955][ T3613] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 118.062957][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.062958][ T3613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.062959][ T3613] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 118.062961][ T3613] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 118.062962][ T3613] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 118.062965][ T3613] ? vprintk_emit (kernel/printk/printk.c:2478) [ 118.062966][ T3613] vprintk_emit (kernel/printk/printk.c:2479) [ 118.062968][ T3613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 118.062969][ T3613] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 118.062972][ T3613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.062975][ T3613] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 118.062977][ T3613] _printk (kernel/printk/printk.c:2504) [ 118.062980][ T3613] ? snapshot_read.cold (user.c:?) [ 118.062982][ T3613] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 118.062984][ T3613] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 118.062988][ T3613] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 118.062990][ T3613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 118.062993][ T3613] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 118.062995][ T3613] ? netdev_notice (net/core/dev.c:13194) [ 118.062998][ T3613] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 118.062999][ T3613] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 118.063002][ T3613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.063004][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063005][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063006][ T3613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.063008][ T3613] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 118.063009][ T3613] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 118.063011][ T3613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 118.063012][ T3613] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 118.063014][ T3613] ? register_netdev (net/core/dev.c:11618) [ 118.063015][ T3613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.063018][ T3613] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 118.063020][ T3613] ? __kernel_text_address (kernel/extable.c:79) [ 118.063023][ T3613] ? write_profile (profile.c:?) [ 118.063025][ T3613] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 118.063029][ T3613] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 118.063031][ T3613] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 118.063033][ T3613] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 118.063034][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063035][ T3613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 118.063038][ T3613] ? kasan_save_stack (mm/kasan/common.c:58) [ 118.063040][ T3613] ? kasan_save_stack (mm/kasan/common.c:57) [ 118.063041][ T3613] ? kasan_save_track (mm/kasan/common.c:78) [ 118.063042][ T3613] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 118.063043][ T3613] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 118.063045][ T3613] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 118.063046][ T3613] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 118.063047][ T3613] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 118.063050][ T3613] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 118.063051][ T3613] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 118.063053][ T3613] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 118.063055][ T3613] ? ____sys_sendmsg (net/socket.c:2713) [ 118.063057][ T3613] ? ___sys_sendmsg (net/socket.c:2767) [ 118.063058][ T3613] ? __sys_sendmsg (net/socket.c:2799) [ 118.063060][ T3613] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 118.063062][ T3613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 118.063065][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063066][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.063068][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063068][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063070][ T3613] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 118.063071][ T3613] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 118.063073][ T3613] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 118.063074][ T3613] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 118.063075][ T3613] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 118.063076][ T3613] ? nla_get_range_signed (lib/nlattr.c:270) [ 118.063080][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063081][ T3613] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 118.063083][ T3613] rtnl_newlink (net/core/rtnetlink.c:4215) [ 118.063085][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063086][ T3613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 118.063087][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.063089][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063090][ T3613] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 118.063093][ T3613] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 118.063094][ T3613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 118.063095][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063096][ T3613] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 118.063100][ T3613] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 118.063102][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063103][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.063105][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063106][ T3613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 118.063107][ T3613] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 118.063109][ T3613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 118.063110][ T3613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 118.063112][ T3613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 118.063114][ T3613] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 118.063116][ T3613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 118.063117][ T3613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.063119][ T3613] ? netlink_ack (./include/linux/skbuff.h:2718) [ 118.063120][ T3613] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 118.063123][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063125][ T3613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.063127][ T3613] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 118.063129][ T3613] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 118.063131][ T3613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 118.063133][ T3613] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 118.063135][ T3613] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 118.063136][ T3613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 118.063138][ T3613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.063140][ T3613] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 118.063143][ T3613] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 118.063145][ T3613] ____sys_sendmsg (net/socket.c:2713) [ 118.063146][ T3613] ? copy_msghdr_from_user (net/socket.c:2650) [ 118.063148][ T3613] ? sock_write_iter (net/socket.c:1269) [ 118.063149][ T3613] ? move_addr_to_kernel (net/socket.c:258) [ 118.063151][ T3613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 118.063153][ T3613] ___sys_sendmsg (net/socket.c:2767) [ 118.063155][ T3613] ? copy_msghdr_from_user (net/socket.c:2619) [ 118.063160][ T3613] __sys_sendmsg (net/socket.c:2799) [ 118.063162][ T3613] ? __sys_sendmsg_sock (net/socket.c:2780) [ 118.063165][ T3613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.063166][ T3613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 118.063168][ T3613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 118.063170][ T3613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 118.063172][ T3613] RIP: 0033:0x7f498193a54e [ 118.063174][ T3613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 118.063176][ T3613] RSP: 002b:00007ffc05f5ff90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 118.063179][ T3613] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f498193a54e [ 118.063181][ T3613] RDX: 0000000000000000 RSI: 00007ffc05f60040 RDI: 0000000000000005 [ 118.063182][ T3613] RBP: 00007ffc05f5ffa0 R08: 0000000000000000 R09: 0000000000000000 [ 118.063182][ T3613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167ed [ 118.063183][ T3613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc05f60700 | [ 119.221577][ T3672] softirqs last disabled at (0): 0x0 | [ 119.221578][ T3672] Preemption disabled at: | [ 119.221579][ T3672] vprintk_emit (kernel/printk/printk.c:2471) | [ 119.221589][ T3672] Tainted: [W]=WARN [ 119.221590][ T3672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.221592][ T3672] Call Trace: [ 119.221594][ T3672] [ 119.221595][ T3672] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 119.221602][ T3672] ? vprintk_emit (kernel/printk/printk.c:2471) [ 119.221603][ T3672] __might_resched.cold (kernel/sched/core.c:9234) [ 119.221607][ T3672] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 119.221609][ T3672] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 119.221612][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221615][ T3672] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 119.221617][ T3672] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.221620][ T3672] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.221625][ T3672] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 119.221627][ T3672] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.221630][ T3672] put_chars (drivers/char/virtio_console.c:1176) [ 119.221631][ T3672] ? __send_to_port (drivers/char/virtio_console.c:654) [ 119.221633][ T3672] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 119.221635][ T3672] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 119.221640][ T3672] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 119.221642][ T3672] ? vsnprintf (lib/vsprintf.c:2900) [ 119.221645][ T3672] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.221646][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221647][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221649][ T3672] console_emit_next_record (kernel/printk/printk.c:3183) [ 119.221652][ T3672] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 119.221654][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221655][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221656][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221657][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221659][ T3672] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 119.221661][ T3672] console_flush_one_record (kernel/printk/printk.c:3268) [ 119.221663][ T3672] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 119.221666][ T3672] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 119.221668][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221669][ T3672] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 119.221671][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221672][ T3672] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.221673][ T3672] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 119.221675][ T3672] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 119.221676][ T3672] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 119.221678][ T3672] ? vprintk_emit (kernel/printk/printk.c:2478) [ 119.221680][ T3672] vprintk_emit (kernel/printk/printk.c:2479) [ 119.221681][ T3672] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 119.221682][ T3672] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.221684][ T3672] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 119.221687][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221688][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221690][ T3672] _printk (kernel/printk/printk.c:2504) [ 119.221693][ T3672] ? snapshot_read.cold (user.c:?) [ 119.221695][ T3672] ? br_multicast_flood (??:?) [ 119.221698][ T3672] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 119.221701][ T3672] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 119.221702][ T3672] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 119.221704][ T3672] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 119.221706][ T3672] br_init_port (net/bridge/br_stp_if.c:39) [ 119.221708][ T3672] new_nbp (net/bridge/br_if.c:449) [ 119.221711][ T3672] br_add_if (net/bridge/br_if.c:592) [ 119.221712][ T3672] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 119.221717][ T3672] do_set_master (net/core/rtnetlink.c:3071) [ 119.221718][ T3672] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 119.221720][ T3672] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 119.221721][ T3672] ? __dev_get_by_name (net/core/dev.c:905) [ 119.221723][ T3672] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 119.221727][ T3672] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 119.221730][ T3672] rtnl_newlink (net/core/rtnetlink.c:4215) [ 119.221732][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221733][ T3672] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 119.221734][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221736][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221737][ T3672] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 119.221740][ T3672] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 119.221742][ T3672] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 119.221744][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221745][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221746][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221748][ T3672] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 119.221749][ T3672] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 119.221750][ T3672] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 119.221752][ T3672] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 119.221753][ T3672] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 119.221757][ T3672] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 119.221760][ T3672] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 119.221761][ T3672] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.221763][ T3672] ? netlink_ack (./include/linux/skbuff.h:2718) [ 119.221764][ T3672] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 119.221767][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221768][ T3672] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.221770][ T3672] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 119.221773][ T3672] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 119.221774][ T3672] ? next_uptodate_folio (mm/filemap.c:3747) [ 119.221778][ T3672] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 119.221780][ T3672] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 119.221782][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221783][ T3672] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 119.221787][ T3672] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 119.221789][ T3672] ____sys_sendmsg (net/socket.c:2713) [ 119.221791][ T3672] ? copy_msghdr_from_user (net/socket.c:2650) [ 119.221793][ T3672] ? sock_write_iter (net/socket.c:1269) [ 119.221794][ T3672] ? move_addr_to_kernel (net/socket.c:258) [ 119.221796][ T3672] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 119.221799][ T3672] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.221800][ T3672] ___sys_sendmsg (net/socket.c:2767) [ 119.221802][ T3672] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 119.221804][ T3672] ? copy_msghdr_from_user (net/socket.c:2619) [ 119.221805][ T3672] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 119.221810][ T3672] __sys_sendmsg (net/socket.c:2799) [ 119.221812][ T3672] ? __sys_sendmsg_sock (net/socket.c:2780) [ 119.221815][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221816][ T3672] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.221817][ T3672] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 119.221819][ T3672] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 119.221821][ T3672] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 119.221823][ T3672] RIP: 0033:0x7fba613fd54e [ 119.221825][ T3672] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 119.221827][ T3672] RSP: 002b:00007ffcb3964d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 119.221831][ T3672] RAX: ffffffffffffffda RBX: 00007ffcb3965538 RCX: 00007fba613fd54e [ 119.221832][ T3672] RDX: 0000000000000000 RSI: 00007ffcb3964e20 RDI: 0000000000000005 [ 119.221833][ T3672] RBP: 00007ffcb3964d80 R08: 0000000000000000 R09: 0000000000000000 [ 119.221834][ T3672] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167ee [ 119.221835][ T3672] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb39654f0 | [ 126.208667][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 126.208670][ T12] Preemption disabled at: | [ 126.208671][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 126.208680][ T12] Tainted: [W]=WARN [ 126.208681][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 126.208683][ T12] Workqueue: netns cleanup_net [ 126.208689][ T12] Call Trace: [ 126.208691][ T12] [ 126.208693][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 126.208698][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 126.208699][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 126.208702][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 126.208705][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 126.208708][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208710][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 126.208713][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.208716][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 126.208721][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 126.208723][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 126.208725][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 126.208727][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 126.208729][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 126.208731][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 126.208737][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 126.208738][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 126.208741][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.208742][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208743][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208745][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 126.208748][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 126.208750][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208751][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208752][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208753][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.208755][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 126.208757][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 126.208759][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 126.208762][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 126.208764][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.208765][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 126.208767][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208768][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 126.208769][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 126.208771][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 126.208772][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 126.208774][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 126.208775][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 126.208777][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 126.208778][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 126.208780][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 126.208782][ T12] ? kthread (kernel/kthread.c:436) [ 126.208785][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 126.208787][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 126.208789][ T12] _printk (kernel/printk/printk.c:2504) [ 126.208792][ T12] ? snapshot_read.cold (user.c:?) [ 126.208794][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 126.208798][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 126.208800][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 126.208802][ T12] ? netdev_notice (net/core/dev.c:13194) [ 126.208804][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208805][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 126.208807][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 126.208809][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 126.208811][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 126.208812][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 126.208814][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 126.208817][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 126.208821][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 126.208823][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 126.208825][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 126.208827][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 126.208829][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 126.208832][ T12] cleanup_net (net/core/net_namespace.c:706) [ 126.208834][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 126.208836][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 126.208842][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.208844][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.208845][ T12] process_one_work (kernel/workqueue.c:3387) [ 126.208848][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 126.208850][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 126.208852][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.208855][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 126.208858][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 126.208859][ T12] kthread (kernel/kthread.c:436) [ 126.208861][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 126.208863][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 126.208865][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 126.208866][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 126.208868][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 126.208871][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 126.208873][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 127.438600][ T3931] softirqs last disabled at (0): 0x0 | [ 127.438602][ T3931] Preemption disabled at: | [ 127.438602][ T3931] vprintk_emit (kernel/printk/printk.c:2471) | [ 127.438613][ T3931] Tainted: [W]=WARN [ 127.438614][ T3931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 127.438615][ T3931] Call Trace: [ 127.438617][ T3931] [ 127.438618][ T3931] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 127.438624][ T3931] ? vprintk_emit (kernel/printk/printk.c:2471) [ 127.438625][ T3931] __might_resched.cold (kernel/sched/core.c:9234) [ 127.438629][ T3931] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 127.438631][ T3931] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 127.438634][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438637][ T3931] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 127.438639][ T3931] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.438643][ T3931] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 127.438648][ T3931] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 127.438649][ T3931] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 127.438652][ T3931] put_chars (drivers/char/virtio_console.c:1176) [ 127.438653][ T3931] ? __send_to_port (drivers/char/virtio_console.c:654) [ 127.438655][ T3931] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 127.438657][ T3931] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 127.438662][ T3931] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 127.438663][ T3931] ? vsnprintf (lib/vsprintf.c:2900) [ 127.438666][ T3931] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.438668][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438669][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438671][ T3931] console_emit_next_record (kernel/printk/printk.c:3183) [ 127.438673][ T3931] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 127.438675][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438676][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438677][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438678][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438681][ T3931] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 127.438683][ T3931] console_flush_one_record (kernel/printk/printk.c:3268) [ 127.438685][ T3931] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 127.438688][ T3931] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 127.438689][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438691][ T3931] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 127.438692][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438693][ T3931] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 127.438695][ T3931] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 127.438696][ T3931] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 127.438698][ T3931] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 127.438700][ T3931] ? vprintk_emit (kernel/printk/printk.c:2478) [ 127.438701][ T3931] vprintk_emit (kernel/printk/printk.c:2479) [ 127.438703][ T3931] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 127.438704][ T3931] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.438706][ T3931] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 127.438709][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438710][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438711][ T3931] _printk (kernel/printk/printk.c:2504) [ 127.438714][ T3931] ? snapshot_read.cold (user.c:?) [ 127.438716][ T3931] ? br_multicast_flood (??:?) [ 127.438720][ T3931] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 127.438722][ T3931] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 127.438723][ T3931] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 127.438725][ T3931] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 127.438728][ T3931] br_init_port (net/bridge/br_stp_if.c:39) [ 127.438729][ T3931] new_nbp (net/bridge/br_if.c:449) [ 127.438731][ T3931] br_add_if (net/bridge/br_if.c:592) [ 127.438733][ T3931] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 127.438737][ T3931] do_set_master (net/core/rtnetlink.c:3071) [ 127.438739][ T3931] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 127.438741][ T3931] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 127.438742][ T3931] ? __dev_get_by_name (net/core/dev.c:905) [ 127.438744][ T3931] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 127.438748][ T3931] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 127.438750][ T3931] rtnl_newlink (net/core/rtnetlink.c:4215) [ 127.438752][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438753][ T3931] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 127.438755][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438756][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438757][ T3931] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 127.438760][ T3931] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 127.438762][ T3931] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 127.438764][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438765][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438767][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438768][ T3931] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 127.438769][ T3931] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 127.438771][ T3931] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 127.438772][ T3931] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 127.438773][ T3931] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 127.438777][ T3931] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 127.438780][ T3931] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 127.438782][ T3931] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 127.438783][ T3931] ? netlink_ack (./include/linux/skbuff.h:2718) [ 127.438785][ T3931] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 127.438788][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438789][ T3931] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 127.438791][ T3931] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 127.438793][ T3931] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 127.438795][ T3931] ? next_uptodate_folio (mm/filemap.c:3747) [ 127.438798][ T3931] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 127.438800][ T3931] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 127.438802][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438803][ T3931] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 127.438807][ T3931] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 127.438809][ T3931] ____sys_sendmsg (net/socket.c:2713) [ 127.438811][ T3931] ? copy_msghdr_from_user (net/socket.c:2650) [ 127.438813][ T3931] ? sock_write_iter (net/socket.c:1269) [ 127.438814][ T3931] ? move_addr_to_kernel (net/socket.c:258) [ 127.438816][ T3931] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 127.438818][ T3931] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.438820][ T3931] ___sys_sendmsg (net/socket.c:2767) [ 127.438822][ T3931] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 127.438824][ T3931] ? copy_msghdr_from_user (net/socket.c:2619) [ 127.438825][ T3931] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 127.438830][ T3931] __sys_sendmsg (net/socket.c:2799) [ 127.438832][ T3931] ? __sys_sendmsg_sock (net/socket.c:2780) [ 127.438834][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438835][ T3931] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.438837][ T3931] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 127.438841][ T3931] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 127.438843][ T3931] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 127.438845][ T3931] RIP: 0033:0x7fcdee0ad54e [ 127.438847][ T3931] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 127.438849][ T3931] RSP: 002b:00007fff9ba7a4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 127.438853][ T3931] RAX: ffffffffffffffda RBX: 00007fff9ba7ac88 RCX: 00007fcdee0ad54e [ 127.438854][ T3931] RDX: 0000000000000000 RSI: 00007fff9ba7a570 RDI: 0000000000000005 [ 127.438855][ T3931] RBP: 00007fff9ba7a4d0 R08: 0000000000000000 R09: 0000000000000000 [ 127.438856][ T3931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167f6 [ 127.438857][ T3931] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9ba7ac40 | [ 128.923082][ T4000] softirqs last disabled at (0): 0x0 | [ 128.923084][ T4000] Preemption disabled at: | [ 128.923086][ T4000] vprintk_emit (kernel/printk/printk.c:2471) | [ 128.923099][ T4000] Tainted: [W]=WARN [ 128.923100][ T4000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 128.923102][ T4000] Call Trace: [ 128.923104][ T4000] [ 128.923106][ T4000] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 128.923113][ T4000] ? vprintk_emit (kernel/printk/printk.c:2471) [ 128.923115][ T4000] __might_resched.cold (kernel/sched/core.c:9234) [ 128.923119][ T4000] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.923123][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923127][ T4000] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 128.923131][ T4000] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.923135][ T4000] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.923141][ T4000] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 128.923144][ T4000] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.923147][ T4000] put_chars (drivers/char/virtio_console.c:1176) [ 128.923150][ T4000] ? __send_to_port (drivers/char/virtio_console.c:654) [ 128.923152][ T4000] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 128.923155][ T4000] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 128.923158][ T4000] ? pointer (lib/vsprintf.c:2577) [ 128.923163][ T4000] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 128.923169][ T4000] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 128.923171][ T4000] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.923174][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923178][ T4000] console_emit_next_record (kernel/printk/printk.c:3183) [ 128.923182][ T4000] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 128.923185][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923187][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923189][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923191][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923194][ T4000] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 128.923197][ T4000] console_flush_one_record (kernel/printk/printk.c:3268) [ 128.923200][ T4000] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 128.923205][ T4000] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 128.923207][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923210][ T4000] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 128.923212][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923214][ T4000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.923217][ T4000] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 128.923219][ T4000] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 128.923221][ T4000] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 128.923224][ T4000] ? vprintk_emit (kernel/printk/printk.c:2478) [ 128.923227][ T4000] vprintk_emit (kernel/printk/printk.c:2479) [ 128.923230][ T4000] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 128.923232][ T4000] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 128.923235][ T4000] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.923239][ T4000] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 128.923243][ T4000] _printk (kernel/printk/printk.c:2504) [ 128.923247][ T4000] ? snapshot_read.cold (user.c:?) [ 128.923250][ T4000] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 128.923253][ T4000] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 128.923258][ T4000] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 128.923260][ T4000] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 128.923265][ T4000] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 128.923268][ T4000] ? netdev_notice (net/core/dev.c:13194) [ 128.923271][ T4000] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 128.923274][ T4000] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 128.923277][ T4000] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.923280][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923282][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923284][ T4000] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.923286][ T4000] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 128.923288][ T4000] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 128.923291][ T4000] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 128.923293][ T4000] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 128.923296][ T4000] ? register_netdev (net/core/dev.c:11618) [ 128.923298][ T4000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.923301][ T4000] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 128.923305][ T4000] ? __kernel_text_address (kernel/extable.c:79) [ 128.923308][ T4000] ? write_profile (profile.c:?) [ 128.923312][ T4000] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 128.923317][ T4000] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 128.923320][ T4000] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 128.923323][ T4000] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 128.923325][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923327][ T4000] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 128.923331][ T4000] ? kasan_save_stack (mm/kasan/common.c:58) [ 128.923334][ T4000] ? kasan_save_stack (mm/kasan/common.c:57) [ 128.923336][ T4000] ? kasan_save_track (mm/kasan/common.c:78) [ 128.923338][ T4000] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 128.923339][ T4000] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 128.923341][ T4000] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 128.923343][ T4000] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 128.923345][ T4000] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 128.923349][ T4000] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 128.923351][ T4000] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 128.923359][ T4000] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 128.923363][ T4000] ? ____sys_sendmsg (net/socket.c:2713) [ 128.923365][ T4000] ? ___sys_sendmsg (net/socket.c:2767) [ 128.923367][ T4000] ? __sys_sendmsg (net/socket.c:2799) [ 128.923370][ T4000] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 128.923373][ T4000] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 128.923377][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923379][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923381][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923383][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923385][ T4000] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 128.923387][ T4000] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 128.923389][ T4000] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 128.923391][ T4000] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 128.923394][ T4000] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 128.923396][ T4000] ? nla_get_range_signed (lib/nlattr.c:270) [ 128.923401][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923403][ T4000] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 128.923406][ T4000] rtnl_newlink (net/core/rtnetlink.c:4215) [ 128.923410][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923412][ T4000] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 128.923414][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923416][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923419][ T4000] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 128.923422][ T4000] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 128.923424][ T4000] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 128.923426][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923429][ T4000] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 128.923433][ T4000] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 128.923436][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923439][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923441][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923443][ T4000] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 128.923445][ T4000] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 128.923448][ T4000] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 128.923450][ T4000] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 128.923453][ T4000] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 128.923457][ T4000] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 128.923459][ T4000] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 128.923462][ T4000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.923464][ T4000] ? netlink_ack (./include/linux/skbuff.h:2718) [ 128.923467][ T4000] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 128.923471][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923473][ T4000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.923476][ T4000] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 128.923480][ T4000] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 128.923483][ T4000] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 128.923486][ T4000] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 128.923490][ T4000] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 128.923492][ T4000] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 128.923495][ T4000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.923497][ T4000] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 128.923502][ T4000] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 128.923505][ T4000] ____sys_sendmsg (net/socket.c:2713) [ 128.923507][ T4000] ? copy_msghdr_from_user (net/socket.c:2650) [ 128.923510][ T4000] ? sock_write_iter (net/socket.c:1269) [ 128.923512][ T4000] ? move_addr_to_kernel (net/socket.c:258) [ 128.923515][ T4000] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 128.923519][ T4000] ___sys_sendmsg (net/socket.c:2767) [ 128.923522][ T4000] ? copy_msghdr_from_user (net/socket.c:2619) [ 128.923530][ T4000] __sys_sendmsg (net/socket.c:2799) [ 128.923533][ T4000] ? __sys_sendmsg_sock (net/socket.c:2780) [ 128.923537][ T4000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.923540][ T4000] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 128.923543][ T4000] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 128.923546][ T4000] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 128.923548][ T4000] RIP: 0033:0x7f8574c0554e [ 128.923551][ T4000] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 128.923554][ T4000] RSP: 002b:00007ffcc58287b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 128.923558][ T4000] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8574c0554e [ 128.923560][ T4000] RDX: 0000000000000000 RSI: 00007ffcc5828860 RDI: 0000000000000005 [ 128.923562][ T4000] RBP: 00007ffcc58287c0 R08: 0000000000000000 R09: 0000000000000000 [ 128.923563][ T4000] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167f8 [ 128.923565][ T4000] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc5828f20 | [ 130.305092][ T4057] softirqs last disabled at (0): 0x0 | [ 130.305094][ T4057] Preemption disabled at: | [ 130.305095][ T4057] vprintk_emit (kernel/printk/printk.c:2471) | [ 130.305108][ T4057] Tainted: [W]=WARN [ 130.305109][ T4057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 130.305111][ T4057] Call Trace: [ 130.305114][ T4057] [ 130.305116][ T4057] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 130.305122][ T4057] ? vprintk_emit (kernel/printk/printk.c:2471) [ 130.305124][ T4057] __might_resched.cold (kernel/sched/core.c:9234) [ 130.305129][ T4057] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 130.305132][ T4057] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.305136][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305140][ T4057] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 130.305144][ T4057] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.305148][ T4057] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.305154][ T4057] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 130.305157][ T4057] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.305160][ T4057] put_chars (drivers/char/virtio_console.c:1176) [ 130.305163][ T4057] ? __send_to_port (drivers/char/virtio_console.c:654) [ 130.305166][ T4057] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 130.305170][ T4057] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 130.305176][ T4057] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 130.305179][ T4057] ? vsnprintf (lib/vsprintf.c:2900) [ 130.305183][ T4057] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.305186][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305188][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305191][ T4057] console_emit_next_record (kernel/printk/printk.c:3183) [ 130.305195][ T4057] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 130.305198][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305200][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305201][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305203][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305206][ T4057] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 130.305209][ T4057] console_flush_one_record (kernel/printk/printk.c:3268) [ 130.305213][ T4057] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 130.305217][ T4057] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 130.305220][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305222][ T4057] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 130.305224][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305226][ T4057] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.305229][ T4057] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 130.305231][ T4057] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 130.305233][ T4057] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 130.305236][ T4057] ? vprintk_emit (kernel/printk/printk.c:2478) [ 130.305239][ T4057] vprintk_emit (kernel/printk/printk.c:2479) [ 130.305242][ T4057] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 130.305244][ T4057] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.305246][ T4057] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.305250][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305252][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305255][ T4057] _printk (kernel/printk/printk.c:2504) [ 130.305259][ T4057] ? snapshot_read.cold (user.c:?) [ 130.305262][ T4057] ? br_multicast_flood (??:?) [ 130.305266][ T4057] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 130.305270][ T4057] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 130.305272][ T4057] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.305275][ T4057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 130.305279][ T4057] br_init_port (net/bridge/br_stp_if.c:39) [ 130.305281][ T4057] new_nbp (net/bridge/br_if.c:449) [ 130.305285][ T4057] br_add_if (net/bridge/br_if.c:592) [ 130.305287][ T4057] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 130.305293][ T4057] do_set_master (net/core/rtnetlink.c:3071) [ 130.305296][ T4057] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 130.305299][ T4057] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 130.305301][ T4057] ? __dev_get_by_name (net/core/dev.c:905) [ 130.305303][ T4057] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 130.305309][ T4057] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 130.305314][ T4057] rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.305317][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305319][ T4057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.305321][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305323][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305326][ T4057] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 130.305329][ T4057] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 130.305332][ T4057] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 130.305335][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305337][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305339][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305341][ T4057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.305344][ T4057] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.305346][ T4057] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.305349][ T4057] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.305351][ T4057] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.305360][ T4057] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.305364][ T4057] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.305366][ T4057] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.305369][ T4057] ? netlink_ack (./include/linux/skbuff.h:2718) [ 130.305371][ T4057] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 130.305376][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305378][ T4057] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.305381][ T4057] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.305384][ T4057] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 130.305387][ T4057] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 130.305391][ T4057] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 130.305394][ T4057] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.305398][ T4057] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 130.305400][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305403][ T4057] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 130.305407][ T4057] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.305411][ T4057] ____sys_sendmsg (net/socket.c:2713) [ 130.305414][ T4057] ? copy_msghdr_from_user (net/socket.c:2650) [ 130.305416][ T4057] ? sock_write_iter (net/socket.c:1269) [ 130.305419][ T4057] ? move_addr_to_kernel (net/socket.c:258) [ 130.305422][ T4057] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 130.305425][ T4057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.305428][ T4057] ___sys_sendmsg (net/socket.c:2767) [ 130.305431][ T4057] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 130.305433][ T4057] ? copy_msghdr_from_user (net/socket.c:2619) [ 130.305436][ T4057] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 130.305443][ T4057] __sys_sendmsg (net/socket.c:2799) [ 130.305447][ T4057] ? __sys_sendmsg_sock (net/socket.c:2780) [ 130.305451][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305453][ T4057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.305455][ T4057] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.305458][ T4057] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 130.305461][ T4057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.305464][ T4057] RIP: 0033:0x7f059805f54e [ 130.305467][ T4057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 130.305470][ T4057] RSP: 002b:00007ffeea20c550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 130.305475][ T4057] RAX: ffffffffffffffda RBX: 00007ffeea20cd18 RCX: 00007f059805f54e [ 130.305477][ T4057] RDX: 0000000000000000 RSI: 00007ffeea20c600 RDI: 0000000000000005 [ 130.305478][ T4057] RBP: 00007ffeea20c560 R08: 0000000000000000 R09: 0000000000000000 [ 130.305480][ T4057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9167f9 [ 130.305481][ T4057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeea20ccd0 | [ 137.433315][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 137.433317][ T12] Preemption disabled at: | [ 137.433318][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 137.433329][ T12] Tainted: [W]=WARN [ 137.433330][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 137.433332][ T12] Workqueue: netns cleanup_net [ 137.433338][ T12] Call Trace: [ 137.433340][ T12] [ 137.433342][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 137.433348][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 137.433349][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 137.433352][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 137.433355][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.433358][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433361][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 137.433364][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.433366][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.433379][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 137.433381][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.433384][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 137.433386][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 137.433388][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 137.433391][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 137.433396][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 137.433398][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 137.433401][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.433403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433404][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433406][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 137.433409][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 137.433412][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433413][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433414][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433415][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.433418][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 137.433420][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 137.433423][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 137.433426][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 137.433428][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.433430][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 137.433432][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433433][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 137.433435][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 137.433436][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 137.433438][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 137.433441][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 137.433442][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 137.433444][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 137.433445][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 137.433447][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.433450][ T12] ? kthread (kernel/kthread.c:436) [ 137.433452][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 137.433455][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 137.433458][ T12] _printk (kernel/printk/printk.c:2504) [ 137.433461][ T12] ? snapshot_read.cold (user.c:?) [ 137.433464][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 137.433467][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 137.433469][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 137.433471][ T12] ? netdev_notice (net/core/dev.c:13194) [ 137.433474][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433475][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 137.433477][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 137.433480][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 137.433482][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 137.433483][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 137.433486][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 137.433489][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 137.433493][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 137.433495][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 137.433498][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 137.433501][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 137.433503][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 137.433506][ T12] cleanup_net (net/core/net_namespace.c:706) [ 137.433508][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 137.433511][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.433512][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.433514][ T12] process_one_work (kernel/workqueue.c:3387) [ 137.433518][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 137.433520][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 137.433523][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.433525][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.433529][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.433531][ T12] kthread (kernel/kthread.c:436) [ 137.433533][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.433535][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.433537][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 137.433539][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 137.433542][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 137.433545][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.433547][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 138.842603][ T4316] softirqs last disabled at (0): 0x0 | [ 138.842605][ T4316] Preemption disabled at: | [ 138.842607][ T4316] vprintk_emit (kernel/printk/printk.c:2471) | [ 138.842620][ T4316] Tainted: [W]=WARN [ 138.842621][ T4316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 138.842624][ T4316] Call Trace: [ 138.842626][ T4316] [ 138.842628][ T4316] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 138.842635][ T4316] ? vprintk_emit (kernel/printk/printk.c:2471) [ 138.842637][ T4316] __might_resched.cold (kernel/sched/core.c:9234) [ 138.842642][ T4316] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 138.842644][ T4316] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.842649][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842652][ T4316] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 138.842656][ T4316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.842660][ T4316] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.842666][ T4316] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 138.842669][ T4316] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.842673][ T4316] put_chars (drivers/char/virtio_console.c:1176) [ 138.842675][ T4316] ? __send_to_port (drivers/char/virtio_console.c:654) [ 138.842678][ T4316] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 138.842682][ T4316] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 138.842688][ T4316] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 138.842691][ T4316] ? vsnprintf (lib/vsprintf.c:2900) [ 138.842695][ T4316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.842698][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842700][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842703][ T4316] console_emit_next_record (kernel/printk/printk.c:3183) [ 138.842708][ T4316] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 138.842711][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842713][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842715][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842717][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842720][ T4316] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 138.842723][ T4316] console_flush_one_record (kernel/printk/printk.c:3268) [ 138.842727][ T4316] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 138.842731][ T4316] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 138.842734][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842737][ T4316] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 138.842739][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842741][ T4316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.842744][ T4316] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 138.842746][ T4316] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 138.842749][ T4316] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 138.842751][ T4316] ? vprintk_emit (kernel/printk/printk.c:2478) [ 138.842754][ T4316] vprintk_emit (kernel/printk/printk.c:2479) [ 138.842757][ T4316] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 138.842759][ T4316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.842761][ T4316] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 138.842765][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842768][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842770][ T4316] _printk (kernel/printk/printk.c:2504) [ 138.842774][ T4316] ? snapshot_read.cold (user.c:?) [ 138.842778][ T4316] ? br_multicast_flood (??:?) [ 138.842782][ T4316] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 138.842786][ T4316] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 138.842787][ T4316] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 138.842790][ T4316] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 138.842795][ T4316] br_init_port (net/bridge/br_stp_if.c:39) [ 138.842798][ T4316] new_nbp (net/bridge/br_if.c:449) [ 138.842801][ T4316] br_add_if (net/bridge/br_if.c:592) [ 138.842804][ T4316] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 138.842810][ T4316] do_set_master (net/core/rtnetlink.c:3071) [ 138.842813][ T4316] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 138.842816][ T4316] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 138.842818][ T4316] ? __dev_get_by_name (net/core/dev.c:905) [ 138.842821][ T4316] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 138.842827][ T4316] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 138.842831][ T4316] rtnl_newlink (net/core/rtnetlink.c:4215) [ 138.842834][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842837][ T4316] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 138.842841][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842844][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842846][ T4316] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 138.842850][ T4316] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 138.842853][ T4316] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 138.842856][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842858][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842861][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842863][ T4316] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 138.842865][ T4316] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 138.842868][ T4316] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 138.842871][ T4316] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 138.842873][ T4316] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 138.842879][ T4316] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 138.842882][ T4316] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 138.842885][ T4316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.842887][ T4316] ? netlink_ack (./include/linux/skbuff.h:2718) [ 138.842890][ T4316] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 138.842894][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842897][ T4316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.842900][ T4316] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 138.842903][ T4316] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 138.842907][ T4316] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 138.842910][ T4316] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 138.842914][ T4316] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 138.842918][ T4316] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 138.842921][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842924][ T4316] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 138.842928][ T4316] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 138.842932][ T4316] ____sys_sendmsg (net/socket.c:2713) [ 138.842935][ T4316] ? copy_msghdr_from_user (net/socket.c:2650) [ 138.842938][ T4316] ? sock_write_iter (net/socket.c:1269) [ 138.842940][ T4316] ? move_addr_to_kernel (net/socket.c:258) [ 138.842944][ T4316] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 138.842947][ T4316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.842950][ T4316] ___sys_sendmsg (net/socket.c:2767) [ 138.842953][ T4316] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 138.842956][ T4316] ? copy_msghdr_from_user (net/socket.c:2619) [ 138.842959][ T4316] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 138.842966][ T4316] __sys_sendmsg (net/socket.c:2799) [ 138.842969][ T4316] ? __sys_sendmsg_sock (net/socket.c:2780) [ 138.842974][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842976][ T4316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.842978][ T4316] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 138.842982][ T4316] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 138.842985][ T4316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 138.842988][ T4316] RIP: 0033:0x7f0b5ce7054e [ 138.842991][ T4316] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 138.842994][ T4316] RSP: 002b:00007ffe502c9800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 138.842999][ T4316] RAX: ffffffffffffffda RBX: 00007ffe502c9fc8 RCX: 00007f0b5ce7054e [ 138.843001][ T4316] RDX: 0000000000000000 RSI: 00007ffe502c98b0 RDI: 0000000000000005 [ 138.843003][ T4316] RBP: 00007ffe502c9810 R08: 0000000000000000 R09: 0000000000000000 [ 138.843005][ T4316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916802 [ 138.843006][ T4316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe502c9f80 | [ 140.255951][ T4384] softirqs last disabled at (0): 0x0 | [ 140.255953][ T4384] Preemption disabled at: | [ 140.255954][ T4384] vprintk_emit (kernel/printk/printk.c:2471) | [ 140.255964][ T4384] Tainted: [W]=WARN [ 140.255965][ T4384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.255967][ T4384] Call Trace: [ 140.255968][ T4384] [ 140.255970][ T4384] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 140.255975][ T4384] ? vprintk_emit (kernel/printk/printk.c:2471) [ 140.255977][ T4384] __might_resched.cold (kernel/sched/core.c:9234) [ 140.255980][ T4384] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 140.255984][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.255986][ T4384] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 140.255989][ T4384] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.255993][ T4384] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.255998][ T4384] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 140.256000][ T4384] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.256002][ T4384] put_chars (drivers/char/virtio_console.c:1176) [ 140.256004][ T4384] ? __send_to_port (drivers/char/virtio_console.c:654) [ 140.256005][ T4384] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 140.256007][ T4384] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 140.256009][ T4384] ? pointer (lib/vsprintf.c:2577) [ 140.256013][ T4384] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 140.256018][ T4384] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 140.256019][ T4384] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.256021][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256024][ T4384] console_emit_next_record (kernel/printk/printk.c:3183) [ 140.256027][ T4384] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 140.256029][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256030][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256031][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256032][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256034][ T4384] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 140.256035][ T4384] console_flush_one_record (kernel/printk/printk.c:3268) [ 140.256038][ T4384] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 140.256040][ T4384] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 140.256042][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256044][ T4384] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 140.256046][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256047][ T4384] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.256048][ T4384] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 140.256050][ T4384] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 140.256051][ T4384] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 140.256053][ T4384] ? vprintk_emit (kernel/printk/printk.c:2478) [ 140.256055][ T4384] vprintk_emit (kernel/printk/printk.c:2479) [ 140.256056][ T4384] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 140.256057][ T4384] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 140.256060][ T4384] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 140.256063][ T4384] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 140.256065][ T4384] _printk (kernel/printk/printk.c:2504) [ 140.256068][ T4384] ? snapshot_read.cold (user.c:?) [ 140.256070][ T4384] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 140.256072][ T4384] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 140.256075][ T4384] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 140.256077][ T4384] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 140.256080][ T4384] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 140.256082][ T4384] ? netdev_notice (net/core/dev.c:13194) [ 140.256084][ T4384] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 140.256086][ T4384] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 140.256089][ T4384] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.256090][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256091][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256093][ T4384] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 140.256094][ T4384] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 140.256096][ T4384] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 140.256097][ T4384] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 140.256098][ T4384] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 140.256100][ T4384] ? register_netdev (net/core/dev.c:11618) [ 140.256101][ T4384] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.256103][ T4384] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 140.256106][ T4384] ? __kernel_text_address (kernel/extable.c:79) [ 140.256108][ T4384] ? write_profile (profile.c:?) [ 140.256111][ T4384] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 140.256115][ T4384] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 140.256117][ T4384] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 140.256118][ T4384] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 140.256119][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256120][ T4384] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 140.256124][ T4384] ? kasan_save_stack (mm/kasan/common.c:58) [ 140.256126][ T4384] ? kasan_save_stack (mm/kasan/common.c:57) [ 140.256127][ T4384] ? kasan_save_track (mm/kasan/common.c:78) [ 140.256128][ T4384] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 140.256129][ T4384] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 140.256130][ T4384] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 140.256131][ T4384] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 140.256132][ T4384] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 140.256135][ T4384] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 140.256137][ T4384] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 140.256138][ T4384] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 140.256141][ T4384] ? ____sys_sendmsg (net/socket.c:2713) [ 140.256142][ T4384] ? ___sys_sendmsg (net/socket.c:2767) [ 140.256143][ T4384] ? __sys_sendmsg (net/socket.c:2799) [ 140.256145][ T4384] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 140.256147][ T4384] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.256150][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256151][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256152][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256153][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256154][ T4384] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 140.256156][ T4384] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 140.256157][ T4384] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 140.256158][ T4384] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 140.256160][ T4384] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 140.256161][ T4384] ? nla_get_range_signed (lib/nlattr.c:270) [ 140.256164][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256166][ T4384] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 140.256168][ T4384] rtnl_newlink (net/core/rtnetlink.c:4215) [ 140.256169][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256171][ T4384] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 140.256172][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256173][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256175][ T4384] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 140.256177][ T4384] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 140.256178][ T4384] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 140.256180][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256181][ T4384] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 140.256184][ T4384] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 140.256187][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256188][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256189][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256191][ T4384] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 140.256192][ T4384] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 140.256194][ T4384] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 140.256195][ T4384] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.256197][ T4384] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 140.256199][ T4384] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 140.256201][ T4384] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 140.256202][ T4384] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.256204][ T4384] ? netlink_ack (./include/linux/skbuff.h:2718) [ 140.256205][ T4384] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 140.256208][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256209][ T4384] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.256211][ T4384] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 140.256214][ T4384] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 140.256215][ T4384] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.256217][ T4384] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 140.256219][ T4384] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 140.256221][ T4384] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 140.256222][ T4384] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.256224][ T4384] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 140.256227][ T4384] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 140.256229][ T4384] ____sys_sendmsg (net/socket.c:2713) [ 140.256231][ T4384] ? copy_msghdr_from_user (net/socket.c:2650) [ 140.256232][ T4384] ? sock_write_iter (net/socket.c:1269) [ 140.256234][ T4384] ? move_addr_to_kernel (net/socket.c:258) [ 140.256235][ T4384] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.256238][ T4384] ___sys_sendmsg (net/socket.c:2767) [ 140.256240][ T4384] ? copy_msghdr_from_user (net/socket.c:2619) [ 140.256244][ T4384] __sys_sendmsg (net/socket.c:2799) [ 140.256246][ T4384] ? __sys_sendmsg_sock (net/socket.c:2780) [ 140.256249][ T4384] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.256250][ T4384] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 140.256252][ T4384] ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18)) [ 140.256254][ T4384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.256255][ T4384] RIP: 0033:0x7f2005c3b54e [ 140.256257][ T4384] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 140.256259][ T4384] RSP: 002b:00007ffd1fbfa3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 140.256262][ T4384] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2005c3b54e [ 140.256263][ T4384] RDX: 0000000000000000 RSI: 00007ffd1fbfa4a0 RDI: 0000000000000005 [ 140.256264][ T4384] RBP: 00007ffd1fbfa400 R08: 0000000000000000 R09: 0000000000000000 [ 140.256265][ T4384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916803 [ 140.256266][ T4384] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1fbfab60 | [ 141.377071][ T4442] softirqs last disabled at (0): 0x0 | [ 141.377073][ T4442] Preemption disabled at: | [ 141.377073][ T4442] vprintk_emit (kernel/printk/printk.c:2471) | [ 141.377084][ T4442] Tainted: [W]=WARN [ 141.377085][ T4442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 141.377087][ T4442] Call Trace: [ 141.377088][ T4442] [ 141.377089][ T4442] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 141.377095][ T4442] ? vprintk_emit (kernel/printk/printk.c:2471) [ 141.377096][ T4442] __might_resched.cold (kernel/sched/core.c:9234) [ 141.377100][ T4442] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 141.377102][ T4442] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 141.377105][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377108][ T4442] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 141.377111][ T4442] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.377114][ T4442] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 141.377119][ T4442] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 141.377121][ T4442] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 141.377123][ T4442] put_chars (drivers/char/virtio_console.c:1176) [ 141.377125][ T4442] ? __send_to_port (drivers/char/virtio_console.c:654) [ 141.377127][ T4442] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 141.377129][ T4442] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 141.377134][ T4442] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 141.377136][ T4442] ? vsnprintf (lib/vsprintf.c:2900) [ 141.377139][ T4442] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.377141][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377142][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377144][ T4442] console_emit_next_record (kernel/printk/printk.c:3183) [ 141.377147][ T4442] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 141.377149][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377150][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377151][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377152][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377155][ T4442] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 141.377156][ T4442] console_flush_one_record (kernel/printk/printk.c:3268) [ 141.377159][ T4442] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 141.377161][ T4442] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 141.377163][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377165][ T4442] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 141.377167][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377167][ T4442] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.377169][ T4442] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 141.377171][ T4442] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 141.377172][ T4442] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 141.377174][ T4442] ? vprintk_emit (kernel/printk/printk.c:2478) [ 141.377175][ T4442] vprintk_emit (kernel/printk/printk.c:2479) [ 141.377177][ T4442] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 141.377178][ T4442] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.377180][ T4442] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 141.377183][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377184][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377186][ T4442] _printk (kernel/printk/printk.c:2504) [ 141.377189][ T4442] ? snapshot_read.cold (user.c:?) [ 141.377191][ T4442] ? br_multicast_flood (??:?) [ 141.377194][ T4442] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 141.377197][ T4442] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 141.377198][ T4442] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 141.377200][ T4442] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 141.377203][ T4442] br_init_port (net/bridge/br_stp_if.c:39) [ 141.377205][ T4442] new_nbp (net/bridge/br_if.c:449) [ 141.377207][ T4442] br_add_if (net/bridge/br_if.c:592) [ 141.377209][ T4442] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 141.377213][ T4442] do_set_master (net/core/rtnetlink.c:3071) [ 141.377215][ T4442] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 141.377216][ T4442] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 141.377218][ T4442] ? __dev_get_by_name (net/core/dev.c:905) [ 141.377220][ T4442] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 141.377223][ T4442] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 141.377226][ T4442] rtnl_newlink (net/core/rtnetlink.c:4215) [ 141.377228][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377229][ T4442] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 141.377231][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377232][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377234][ T4442] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 141.377236][ T4442] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 141.377238][ T4442] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 141.377240][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377241][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377243][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377244][ T4442] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 141.377245][ T4442] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 141.377247][ T4442] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 141.377248][ T4442] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 141.377250][ T4442] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 141.377253][ T4442] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 141.377257][ T4442] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 141.377258][ T4442] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.377260][ T4442] ? netlink_ack (./include/linux/skbuff.h:2718) [ 141.377261][ T4442] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 141.377264][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377265][ T4442] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.377267][ T4442] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 141.377269][ T4442] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 141.377271][ T4442] ? next_uptodate_folio (mm/filemap.c:3747) [ 141.377274][ T4442] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 141.377277][ T4442] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 141.377279][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377280][ T4442] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 141.377284][ T4442] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 141.377287][ T4442] ____sys_sendmsg (net/socket.c:2713) [ 141.377289][ T4442] ? copy_msghdr_from_user (net/socket.c:2650) [ 141.377290][ T4442] ? sock_write_iter (net/socket.c:1269) [ 141.377292][ T4442] ? move_addr_to_kernel (net/socket.c:258) [ 141.377294][ T4442] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 141.377297][ T4442] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.377299][ T4442] ___sys_sendmsg (net/socket.c:2767) [ 141.377300][ T4442] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 141.377302][ T4442] ? copy_msghdr_from_user (net/socket.c:2619) [ 141.377304][ T4442] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 141.377308][ T4442] __sys_sendmsg (net/socket.c:2799) [ 141.377310][ T4442] ? __sys_sendmsg_sock (net/socket.c:2780) [ 141.377313][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377314][ T4442] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.377315][ T4442] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 141.377318][ T4442] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 141.377320][ T4442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 141.377322][ T4442] RIP: 0033:0x7f21e694a54e [ 141.377324][ T4442] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 141.377326][ T4442] RSP: 002b:00007fff3a909360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 141.377329][ T4442] RAX: ffffffffffffffda RBX: 00007fff3a909b28 RCX: 00007f21e694a54e [ 141.377331][ T4442] RDX: 0000000000000000 RSI: 00007fff3a909410 RDI: 0000000000000005 [ 141.377332][ T4442] RBP: 00007fff3a909370 R08: 0000000000000000 R09: 0000000000000000 [ 141.377332][ T4442] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916804 [ 141.377333][ T4442] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3a909ae0 | [ 146.913932][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 146.913934][ T12] Preemption disabled at: | [ 146.913935][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 146.913945][ T12] Tainted: [W]=WARN [ 146.913946][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 146.913947][ T12] Workqueue: netns cleanup_net [ 146.913953][ T12] Call Trace: [ 146.913955][ T12] [ 146.913956][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 146.913961][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 146.913963][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 146.913966][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 146.913969][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 146.913972][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.913974][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 146.913977][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 146.913980][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 146.913985][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 146.913986][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 146.913989][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 146.913991][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 146.913993][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 146.913995][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 146.914000][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 146.914002][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 146.914004][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 146.914006][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914007][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914008][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 146.914011][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 146.914013][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914014][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914015][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914016][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.914019][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 146.914020][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 146.914023][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 146.914025][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 146.914027][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.914029][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 146.914031][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914032][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 146.914033][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 146.914035][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 146.914036][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 146.914038][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 146.914040][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 146.914041][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 146.914043][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 146.914044][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 146.914047][ T12] ? kthread (kernel/kthread.c:436) [ 146.914049][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 146.914052][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 146.914054][ T12] _printk (kernel/printk/printk.c:2504) [ 146.914058][ T12] ? snapshot_read.cold (user.c:?) [ 146.914060][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 146.914063][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 146.914065][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 146.914067][ T12] ? netdev_notice (net/core/dev.c:13194) [ 146.914070][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914071][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 146.914072][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 146.914075][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 146.914077][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 146.914078][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 146.914080][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 146.914083][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 146.914087][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 146.914089][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 146.914092][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 146.914094][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 146.914096][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 146.914098][ T12] cleanup_net (net/core/net_namespace.c:706) [ 146.914100][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 146.914102][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.914104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.914106][ T12] process_one_work (kernel/workqueue.c:3387) [ 146.914108][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 146.914111][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 146.914113][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 146.914115][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 146.914118][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 146.914120][ T12] kthread (kernel/kthread.c:436) [ 146.914121][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 146.914123][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 146.914125][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 146.914127][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 146.914129][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 146.914132][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 146.914133][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 148.129138][ T4565] softirqs last disabled at (0): 0x0 | [ 148.129140][ T4565] Preemption disabled at: | [ 148.129141][ T4565] vprintk_emit (kernel/printk/printk.c:2471) | [ 148.129152][ T4565] Tainted: [W]=WARN [ 148.129153][ T4565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 148.129155][ T4565] Call Trace: [ 148.129157][ T4565] [ 148.129158][ T4565] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 148.129164][ T4565] ? vprintk_emit (kernel/printk/printk.c:2471) [ 148.129165][ T4565] __might_resched.cold (kernel/sched/core.c:9234) [ 148.129169][ T4565] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 148.129171][ T4565] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 148.129175][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129177][ T4565] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 148.129180][ T4565] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.129183][ T4565] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 148.129188][ T4565] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 148.129190][ T4565] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 148.129193][ T4565] put_chars (drivers/char/virtio_console.c:1176) [ 148.129194][ T4565] ? __send_to_port (drivers/char/virtio_console.c:654) [ 148.129196][ T4565] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 148.129199][ T4565] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 148.129203][ T4565] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 148.129205][ T4565] ? vsnprintf (lib/vsprintf.c:2900) [ 148.129209][ T4565] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.129210][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129211][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129213][ T4565] console_emit_next_record (kernel/printk/printk.c:3183) [ 148.129216][ T4565] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 148.129218][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129219][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129221][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129222][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129224][ T4565] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 148.129226][ T4565] console_flush_one_record (kernel/printk/printk.c:3268) [ 148.129228][ T4565] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 148.129231][ T4565] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 148.129233][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129234][ T4565] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 148.129236][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129237][ T4565] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 148.129239][ T4565] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 148.129240][ T4565] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 148.129242][ T4565] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 148.129244][ T4565] ? vprintk_emit (kernel/printk/printk.c:2478) [ 148.129245][ T4565] vprintk_emit (kernel/printk/printk.c:2479) [ 148.129247][ T4565] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 148.129248][ T4565] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.129250][ T4565] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 148.129253][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129254][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129256][ T4565] _printk (kernel/printk/printk.c:2504) [ 148.129259][ T4565] ? snapshot_read.cold (user.c:?) [ 148.129261][ T4565] ? br_multicast_flood (??:?) [ 148.129264][ T4565] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 148.129267][ T4565] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 148.129268][ T4565] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 148.129270][ T4565] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 148.129273][ T4565] br_init_port (net/bridge/br_stp_if.c:39) [ 148.129274][ T4565] new_nbp (net/bridge/br_if.c:449) [ 148.129277][ T4565] br_add_if (net/bridge/br_if.c:592) [ 148.129279][ T4565] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 148.129283][ T4565] do_set_master (net/core/rtnetlink.c:3071) [ 148.129285][ T4565] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 148.129286][ T4565] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 148.129288][ T4565] ? __dev_get_by_name (net/core/dev.c:905) [ 148.129289][ T4565] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 148.129293][ T4565] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 148.129296][ T4565] rtnl_newlink (net/core/rtnetlink.c:4215) [ 148.129298][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129299][ T4565] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 148.129301][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129302][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129303][ T4565] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 148.129306][ T4565] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 148.129308][ T4565] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 148.129311][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129312][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129313][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129315][ T4565] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 148.129316][ T4565] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 148.129318][ T4565] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 148.129319][ T4565] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 148.129321][ T4565] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 148.129324][ T4565] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 148.129327][ T4565] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 148.129329][ T4565] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 148.129330][ T4565] ? netlink_ack (./include/linux/skbuff.h:2718) [ 148.129332][ T4565] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 148.129335][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129336][ T4565] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 148.129338][ T4565] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 148.129341][ T4565] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 148.129343][ T4565] ? next_uptodate_folio (mm/filemap.c:3747) [ 148.129346][ T4565] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 148.129348][ T4565] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 148.129350][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129351][ T4565] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 148.129355][ T4565] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 148.129358][ T4565] ____sys_sendmsg (net/socket.c:2713) [ 148.129360][ T4565] ? copy_msghdr_from_user (net/socket.c:2650) [ 148.129362][ T4565] ? sock_write_iter (net/socket.c:1269) [ 148.129363][ T4565] ? move_addr_to_kernel (net/socket.c:258) [ 148.129365][ T4565] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 148.129368][ T4565] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.129370][ T4565] ___sys_sendmsg (net/socket.c:2767) [ 148.129372][ T4565] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 148.129373][ T4565] ? copy_msghdr_from_user (net/socket.c:2619) [ 148.129375][ T4565] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 148.129380][ T4565] __sys_sendmsg (net/socket.c:2799) [ 148.129382][ T4565] ? __sys_sendmsg_sock (net/socket.c:2780) [ 148.129384][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129386][ T4565] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.129391][ T4565] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 148.129394][ T4565] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 148.129396][ T4565] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 148.129398][ T4565] RIP: 0033:0x7f9ffdca254e [ 148.129400][ T4565] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 148.129402][ T4565] RSP: 002b:00007ffcb046c930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 148.129406][ T4565] RAX: ffffffffffffffda RBX: 00007ffcb046d0f8 RCX: 00007f9ffdca254e [ 148.129408][ T4565] RDX: 0000000000000000 RSI: 00007ffcb046c9e0 RDI: 0000000000000005 [ 148.129408][ T4565] RBP: 00007ffcb046c940 R08: 0000000000000000 R09: 0000000000000000 [ 148.129409][ T4565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91680b [ 148.129410][ T4565] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb046d0b0 | [ 149.651664][ T4634] softirqs last disabled at (0): 0x0 | [ 149.651666][ T4634] Preemption disabled at: | [ 149.651667][ T4634] vprintk_emit (kernel/printk/printk.c:2471) | [ 149.651677][ T4634] Tainted: [W]=WARN [ 149.651678][ T4634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 149.651680][ T4634] Call Trace: [ 149.651681][ T4634] [ 149.651682][ T4634] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 149.651688][ T4634] ? vprintk_emit (kernel/printk/printk.c:2471) [ 149.651689][ T4634] __might_resched.cold (kernel/sched/core.c:9234) [ 149.651693][ T4634] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 149.651696][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651699][ T4634] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 149.651702][ T4634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 149.651705][ T4634] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 149.651710][ T4634] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 149.651712][ T4634] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 149.651714][ T4634] put_chars (drivers/char/virtio_console.c:1176) [ 149.651716][ T4634] ? __send_to_port (drivers/char/virtio_console.c:654) [ 149.651717][ T4634] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 149.651719][ T4634] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 149.651721][ T4634] ? pointer (lib/vsprintf.c:2577) [ 149.651725][ T4634] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 149.651729][ T4634] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 149.651731][ T4634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 149.651733][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651736][ T4634] console_emit_next_record (kernel/printk/printk.c:3183) [ 149.651738][ T4634] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 149.651740][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651741][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651743][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651744][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651745][ T4634] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 149.651747][ T4634] console_flush_one_record (kernel/printk/printk.c:3268) [ 149.651750][ T4634] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 149.651752][ T4634] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 149.651754][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651756][ T4634] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 149.651758][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651759][ T4634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 149.651760][ T4634] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 149.651762][ T4634] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 149.651763][ T4634] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 149.651765][ T4634] ? vprintk_emit (kernel/printk/printk.c:2478) [ 149.651766][ T4634] vprintk_emit (kernel/printk/printk.c:2479) [ 149.651768][ T4634] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 149.651769][ T4634] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 149.651772][ T4634] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 149.651774][ T4634] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 149.651777][ T4634] _printk (kernel/printk/printk.c:2504) [ 149.651780][ T4634] ? snapshot_read.cold (user.c:?) [ 149.651782][ T4634] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 149.651784][ T4634] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 149.651787][ T4634] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 149.651789][ T4634] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 149.651792][ T4634] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 149.651794][ T4634] ? netdev_notice (net/core/dev.c:13194) [ 149.651796][ T4634] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 149.651798][ T4634] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 149.651800][ T4634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 149.651802][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651803][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651804][ T4634] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 149.651805][ T4634] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 149.651807][ T4634] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 149.651808][ T4634] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 149.651810][ T4634] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 149.651811][ T4634] ? register_netdev (net/core/dev.c:11618) [ 149.651813][ T4634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 149.651815][ T4634] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 149.651817][ T4634] ? __kernel_text_address (kernel/extable.c:79) [ 149.651820][ T4634] ? write_profile (profile.c:?) [ 149.651823][ T4634] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 149.651826][ T4634] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 149.651828][ T4634] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 149.651830][ T4634] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 149.651831][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651832][ T4634] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 149.651835][ T4634] ? kasan_save_stack (mm/kasan/common.c:58) [ 149.651840][ T4634] ? kasan_save_stack (mm/kasan/common.c:57) [ 149.651841][ T4634] ? kasan_save_track (mm/kasan/common.c:78) [ 149.651842][ T4634] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 149.651843][ T4634] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 149.651844][ T4634] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 149.651845][ T4634] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 149.651847][ T4634] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 149.651850][ T4634] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 149.651851][ T4634] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 149.651853][ T4634] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 149.651855][ T4634] ? ____sys_sendmsg (net/socket.c:2713) [ 149.651857][ T4634] ? ___sys_sendmsg (net/socket.c:2767) [ 149.651858][ T4634] ? __sys_sendmsg (net/socket.c:2799) [ 149.651860][ T4634] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 149.651862][ T4634] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 149.651865][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651866][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651868][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651868][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651870][ T4634] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 149.651871][ T4634] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 149.651872][ T4634] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 149.651873][ T4634] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 149.651875][ T4634] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 149.651876][ T4634] ? nla_get_range_signed (lib/nlattr.c:270) [ 149.651879][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651881][ T4634] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 149.651883][ T4634] rtnl_newlink (net/core/rtnetlink.c:4215) [ 149.651885][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651886][ T4634] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 149.651887][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651889][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651890][ T4634] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 149.651892][ T4634] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 149.651893][ T4634] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 149.651895][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651896][ T4634] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 149.651899][ T4634] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 149.651902][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651903][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651904][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651906][ T4634] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 149.651907][ T4634] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 149.651908][ T4634] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 149.651910][ T4634] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 149.651911][ T4634] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 149.651914][ T4634] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 149.651915][ T4634] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 149.651917][ T4634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 149.651918][ T4634] ? netlink_ack (./include/linux/skbuff.h:2718) [ 149.651920][ T4634] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 149.651923][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651924][ T4634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 149.651926][ T4634] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 149.651928][ T4634] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 149.651930][ T4634] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 149.651932][ T4634] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 149.651934][ T4634] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 149.651936][ T4634] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 149.651937][ T4634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 149.651939][ T4634] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 149.651942][ T4634] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 149.651943][ T4634] ____sys_sendmsg (net/socket.c:2713) [ 149.651945][ T4634] ? copy_msghdr_from_user (net/socket.c:2650) [ 149.651947][ T4634] ? sock_write_iter (net/socket.c:1269) [ 149.651948][ T4634] ? move_addr_to_kernel (net/socket.c:258) [ 149.651950][ T4634] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 149.651952][ T4634] ___sys_sendmsg (net/socket.c:2767) [ 149.651954][ T4634] ? copy_msghdr_from_user (net/socket.c:2619) [ 149.651959][ T4634] __sys_sendmsg (net/socket.c:2799) [ 149.651961][ T4634] ? __sys_sendmsg_sock (net/socket.c:2780) [ 149.651964][ T4634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 149.651965][ T4634] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 149.651967][ T4634] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 149.651969][ T4634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 149.651970][ T4634] RIP: 0033:0x7fc76dcc054e [ 149.651972][ T4634] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 149.651974][ T4634] RSP: 002b:00007ffd17b83260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 149.651977][ T4634] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc76dcc054e [ 149.651979][ T4634] RDX: 0000000000000000 RSI: 00007ffd17b83310 RDI: 0000000000000005 [ 149.651980][ T4634] RBP: 00007ffd17b83270 R08: 0000000000000000 R09: 0000000000000000 [ 149.651981][ T4634] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91680d [ 149.651982][ T4634] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17b839d0 | [ 150.971979][ T4684] softirqs last disabled at (0): 0x0 | [ 150.971982][ T4684] Preemption disabled at: | [ 150.971984][ T4684] vprintk_emit (kernel/printk/printk.c:2471) | [ 150.971996][ T4684] Tainted: [W]=WARN [ 150.971997][ T4684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 150.972000][ T4684] Call Trace: [ 150.972002][ T4684] [ 150.972004][ T4684] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 150.972011][ T4684] ? vprintk_emit (kernel/printk/printk.c:2471) [ 150.972013][ T4684] __might_resched.cold (kernel/sched/core.c:9234) [ 150.972017][ T4684] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 150.972021][ T4684] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 150.972025][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972029][ T4684] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 150.972032][ T4684] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.972036][ T4684] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 150.972042][ T4684] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 150.972045][ T4684] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 150.972049][ T4684] put_chars (drivers/char/virtio_console.c:1176) [ 150.972051][ T4684] ? __send_to_port (drivers/char/virtio_console.c:654) [ 150.972054][ T4684] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 150.972058][ T4684] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 150.972064][ T4684] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 150.972067][ T4684] ? vsnprintf (lib/vsprintf.c:2900) [ 150.972071][ T4684] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.972074][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972076][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972079][ T4684] console_emit_next_record (kernel/printk/printk.c:3183) [ 150.972083][ T4684] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 150.972086][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972088][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972090][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972092][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972096][ T4684] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 150.972098][ T4684] console_flush_one_record (kernel/printk/printk.c:3268) [ 150.972102][ T4684] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 150.972106][ T4684] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 150.972109][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972112][ T4684] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 150.972114][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972116][ T4684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 150.972119][ T4684] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 150.972121][ T4684] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 150.972124][ T4684] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 150.972127][ T4684] ? vprintk_emit (kernel/printk/printk.c:2478) [ 150.972129][ T4684] vprintk_emit (kernel/printk/printk.c:2479) [ 150.972132][ T4684] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 150.972134][ T4684] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.972137][ T4684] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 150.972141][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972143][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972146][ T4684] _printk (kernel/printk/printk.c:2504) [ 150.972150][ T4684] ? snapshot_read.cold (user.c:?) [ 150.972153][ T4684] ? br_multicast_flood (??:?) [ 150.972157][ T4684] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 150.972161][ T4684] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 150.972163][ T4684] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 150.972166][ T4684] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 150.972170][ T4684] br_init_port (net/bridge/br_stp_if.c:39) [ 150.972172][ T4684] new_nbp (net/bridge/br_if.c:449) [ 150.972176][ T4684] br_add_if (net/bridge/br_if.c:592) [ 150.972178][ T4684] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 150.972185][ T4684] do_set_master (net/core/rtnetlink.c:3071) [ 150.972188][ T4684] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 150.972191][ T4684] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 150.972193][ T4684] ? __dev_get_by_name (net/core/dev.c:905) [ 150.972195][ T4684] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 150.972202][ T4684] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 150.972206][ T4684] rtnl_newlink (net/core/rtnetlink.c:4215) [ 150.972209][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972212][ T4684] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 150.972214][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972216][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972219][ T4684] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 150.972222][ T4684] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 150.972225][ T4684] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 150.972228][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972231][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972233][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972235][ T4684] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 150.972238][ T4684] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 150.972240][ T4684] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 150.972243][ T4684] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 150.972245][ T4684] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 150.972250][ T4684] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 150.972254][ T4684] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 150.972257][ T4684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 150.972259][ T4684] ? netlink_ack (./include/linux/skbuff.h:2718) [ 150.972261][ T4684] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 150.972266][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972268][ T4684] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 150.972271][ T4684] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 150.972275][ T4684] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 150.972278][ T4684] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 150.972281][ T4684] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 150.972285][ T4684] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 150.972289][ T4684] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 150.972292][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972294][ T4684] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 150.972299][ T4684] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 150.972303][ T4684] ____sys_sendmsg (net/socket.c:2713) [ 150.972306][ T4684] ? copy_msghdr_from_user (net/socket.c:2650) [ 150.972308][ T4684] ? sock_write_iter (net/socket.c:1269) [ 150.972310][ T4684] ? move_addr_to_kernel (net/socket.c:258) [ 150.972314][ T4684] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 150.972318][ T4684] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.972321][ T4684] ___sys_sendmsg (net/socket.c:2767) [ 150.972323][ T4684] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 150.972326][ T4684] ? copy_msghdr_from_user (net/socket.c:2619) [ 150.972329][ T4684] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 150.972337][ T4684] __sys_sendmsg (net/socket.c:2799) [ 150.972340][ T4684] ? __sys_sendmsg_sock (net/socket.c:2780) [ 150.972344][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972346][ T4684] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.972349][ T4684] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 150.972352][ T4684] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 150.972355][ T4684] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 150.972358][ T4684] RIP: 0033:0x7ff0322f554e [ 150.972361][ T4684] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 150.972364][ T4684] RSP: 002b:00007ffd88b44d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 150.972368][ T4684] RAX: ffffffffffffffda RBX: 00007ffd88b45548 RCX: 00007ff0322f554e [ 150.972371][ T4684] RDX: 0000000000000000 RSI: 00007ffd88b44e30 RDI: 0000000000000005 [ 150.972372][ T4684] RBP: 00007ffd88b44d90 R08: 0000000000000000 R09: 0000000000000000 [ 150.972374][ T4684] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91680e [ 150.972375][ T4684] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd88b45500 | [ 156.577710][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 156.577712][ T12] Preemption disabled at: | [ 156.577713][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 156.577723][ T12] Tainted: [W]=WARN [ 156.577724][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.577726][ T12] Workqueue: netns cleanup_net [ 156.577732][ T12] Call Trace: [ 156.577734][ T12] [ 156.577735][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 156.577741][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 156.577742][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 156.577746][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 156.577748][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 156.577751][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577754][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 156.577756][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 156.577760][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 156.577764][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 156.577766][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 156.577769][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 156.577770][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 156.577772][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 156.577774][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 156.577779][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 156.577781][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 156.577783][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 156.577785][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577786][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577788][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 156.577791][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 156.577793][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577794][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577795][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577796][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.577798][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 156.577800][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 156.577802][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 156.577805][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 156.577807][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.577808][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 156.577810][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577811][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 156.577813][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 156.577814][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 156.577816][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 156.577818][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 156.577819][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 156.577821][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 156.577822][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 156.577824][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 156.577827][ T12] ? kthread (kernel/kthread.c:436) [ 156.577829][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 156.577831][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 156.577834][ T12] _printk (kernel/printk/printk.c:2504) [ 156.577841][ T12] ? snapshot_read.cold (user.c:?) [ 156.577843][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 156.577846][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 156.577848][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 156.577851][ T12] ? netdev_notice (net/core/dev.c:13194) [ 156.577853][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577854][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 156.577856][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 156.577859][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 156.577860][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 156.577862][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 156.577864][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 156.577867][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 156.577871][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 156.577874][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 156.577877][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 156.577879][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 156.577881][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 156.577884][ T12] cleanup_net (net/core/net_namespace.c:706) [ 156.577886][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 156.577889][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 156.577890][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 156.577892][ T12] process_one_work (kernel/workqueue.c:3387) [ 156.577895][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 156.577898][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 156.577900][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 156.577903][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 156.577906][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 156.577908][ T12] kthread (kernel/kthread.c:436) [ 156.577910][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 156.577912][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 156.577914][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 156.577916][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 156.577918][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 156.577921][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 156.577923][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 157.817147][ T4807] softirqs last disabled at (0): 0x0 | [ 157.817149][ T4807] Preemption disabled at: | [ 157.817150][ T4807] vprintk_emit (kernel/printk/printk.c:2471) | [ 157.817160][ T4807] Tainted: [W]=WARN [ 157.817161][ T4807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.817163][ T4807] Call Trace: [ 157.817164][ T4807] [ 157.817165][ T4807] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 157.817171][ T4807] ? vprintk_emit (kernel/printk/printk.c:2471) [ 157.817172][ T4807] __might_resched.cold (kernel/sched/core.c:9234) [ 157.817176][ T4807] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 157.817178][ T4807] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 157.817181][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817184][ T4807] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 157.817187][ T4807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 157.817190][ T4807] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 157.817195][ T4807] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 157.817197][ T4807] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 157.817199][ T4807] put_chars (drivers/char/virtio_console.c:1176) [ 157.817201][ T4807] ? __send_to_port (drivers/char/virtio_console.c:654) [ 157.817202][ T4807] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 157.817205][ T4807] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 157.817210][ T4807] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 157.817212][ T4807] ? vsnprintf (lib/vsprintf.c:2900) [ 157.817215][ T4807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 157.817217][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817218][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817220][ T4807] console_emit_next_record (kernel/printk/printk.c:3183) [ 157.817222][ T4807] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 157.817225][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817226][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817227][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817228][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817230][ T4807] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 157.817232][ T4807] console_flush_one_record (kernel/printk/printk.c:3268) [ 157.817234][ T4807] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 157.817237][ T4807] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 157.817239][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817240][ T4807] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 157.817242][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817243][ T4807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 157.817245][ T4807] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 157.817246][ T4807] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 157.817248][ T4807] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 157.817250][ T4807] ? vprintk_emit (kernel/printk/printk.c:2478) [ 157.817251][ T4807] vprintk_emit (kernel/printk/printk.c:2479) [ 157.817253][ T4807] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 157.817254][ T4807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 157.817255][ T4807] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 157.817258][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817260][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817261][ T4807] _printk (kernel/printk/printk.c:2504) [ 157.817265][ T4807] ? snapshot_read.cold (user.c:?) [ 157.817267][ T4807] ? br_multicast_flood (??:?) [ 157.817270][ T4807] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 157.817273][ T4807] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 157.817274][ T4807] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 157.817276][ T4807] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 157.817279][ T4807] br_init_port (net/bridge/br_stp_if.c:39) [ 157.817281][ T4807] new_nbp (net/bridge/br_if.c:449) [ 157.817283][ T4807] br_add_if (net/bridge/br_if.c:592) [ 157.817285][ T4807] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 157.817289][ T4807] do_set_master (net/core/rtnetlink.c:3071) [ 157.817291][ T4807] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 157.817292][ T4807] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 157.817294][ T4807] ? __dev_get_by_name (net/core/dev.c:905) [ 157.817296][ T4807] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 157.817300][ T4807] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 157.817302][ T4807] rtnl_newlink (net/core/rtnetlink.c:4215) [ 157.817304][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817306][ T4807] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 157.817307][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817308][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817310][ T4807] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 157.817312][ T4807] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 157.817314][ T4807] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 157.817316][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817318][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817319][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817320][ T4807] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 157.817322][ T4807] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 157.817323][ T4807] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 157.817325][ T4807] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 157.817326][ T4807] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 157.817330][ T4807] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 157.817333][ T4807] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 157.817334][ T4807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 157.817336][ T4807] ? netlink_ack (./include/linux/skbuff.h:2718) [ 157.817337][ T4807] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 157.817340][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817342][ T4807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 157.817344][ T4807] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 157.817346][ T4807] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 157.817348][ T4807] ? next_uptodate_folio (mm/filemap.c:3747) [ 157.817351][ T4807] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 157.817353][ T4807] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 157.817355][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817356][ T4807] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 157.817360][ T4807] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 157.817363][ T4807] ____sys_sendmsg (net/socket.c:2713) [ 157.817364][ T4807] ? copy_msghdr_from_user (net/socket.c:2650) [ 157.817366][ T4807] ? sock_write_iter (net/socket.c:1269) [ 157.817368][ T4807] ? move_addr_to_kernel (net/socket.c:258) [ 157.817370][ T4807] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 157.817372][ T4807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 157.817374][ T4807] ___sys_sendmsg (net/socket.c:2767) [ 157.817376][ T4807] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 157.817378][ T4807] ? copy_msghdr_from_user (net/socket.c:2619) [ 157.817379][ T4807] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 157.817384][ T4807] __sys_sendmsg (net/socket.c:2799) [ 157.817386][ T4807] ? __sys_sendmsg_sock (net/socket.c:2780) [ 157.817389][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817390][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 157.817391][ T4807] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 157.817394][ T4807] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 157.817396][ T4807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 157.817398][ T4807] RIP: 0033:0x7fc2752b354e [ 157.817400][ T4807] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 157.817402][ T4807] RSP: 002b:00007ffee9da4490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 157.817409][ T4807] RAX: ffffffffffffffda RBX: 00007ffee9da4c58 RCX: 00007fc2752b354e [ 157.817410][ T4807] RDX: 0000000000000000 RSI: 00007ffee9da4540 RDI: 0000000000000005 [ 157.817411][ T4807] RBP: 00007ffee9da44a0 R08: 0000000000000000 R09: 0000000000000000 [ 157.817412][ T4807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916815 [ 157.817413][ T4807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee9da4c10 | [ 159.111755][ T4877] softirqs last disabled at (0): 0x0 | [ 159.111757][ T4877] Preemption disabled at: | [ 159.111757][ T4877] vprintk_emit (kernel/printk/printk.c:2471) | [ 159.111767][ T4877] Tainted: [W]=WARN [ 159.111768][ T4877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.111770][ T4877] Call Trace: [ 159.111771][ T4877] [ 159.111772][ T4877] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 159.111778][ T4877] ? vprintk_emit (kernel/printk/printk.c:2471) [ 159.111779][ T4877] __might_resched.cold (kernel/sched/core.c:9234) [ 159.111783][ T4877] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 159.111787][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111789][ T4877] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 159.111792][ T4877] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 159.111795][ T4877] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 159.111801][ T4877] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 159.111802][ T4877] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 159.111805][ T4877] put_chars (drivers/char/virtio_console.c:1176) [ 159.111807][ T4877] ? __send_to_port (drivers/char/virtio_console.c:654) [ 159.111808][ T4877] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 159.111810][ T4877] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 159.111812][ T4877] ? pointer (lib/vsprintf.c:2577) [ 159.111815][ T4877] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 159.111820][ T4877] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 159.111822][ T4877] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 159.111824][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.111826][ T4877] console_emit_next_record (kernel/printk/printk.c:3183) [ 159.111829][ T4877] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 159.111831][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111832][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111833][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111834][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.111836][ T4877] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 159.111841][ T4877] console_flush_one_record (kernel/printk/printk.c:3268) [ 159.111843][ T4877] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 159.111846][ T4877] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 159.111848][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.111849][ T4877] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 159.111851][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111852][ T4877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 159.111853][ T4877] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 159.111855][ T4877] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 159.111856][ T4877] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 159.111858][ T4877] ? vprintk_emit (kernel/printk/printk.c:2478) [ 159.111860][ T4877] vprintk_emit (kernel/printk/printk.c:2479) [ 159.111861][ T4877] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 159.111863][ T4877] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 159.111865][ T4877] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 159.111868][ T4877] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 159.111871][ T4877] _printk (kernel/printk/printk.c:2504) [ 159.111874][ T4877] ? snapshot_read.cold (user.c:?) [ 159.111876][ T4877] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 159.111878][ T4877] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 159.111881][ T4877] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 159.111883][ T4877] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 159.111886][ T4877] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 159.111889][ T4877] ? netdev_notice (net/core/dev.c:13194) [ 159.111891][ T4877] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 159.111892][ T4877] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 159.111895][ T4877] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 159.111896][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111897][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111899][ T4877] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 159.111900][ T4877] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 159.111901][ T4877] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 159.111903][ T4877] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 159.111904][ T4877] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 159.111906][ T4877] ? register_netdev (net/core/dev.c:11618) [ 159.111907][ T4877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 159.111909][ T4877] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 159.111912][ T4877] ? __kernel_text_address (kernel/extable.c:79) [ 159.111914][ T4877] ? write_profile (profile.c:?) [ 159.111917][ T4877] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 159.111921][ T4877] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 159.111923][ T4877] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 159.111924][ T4877] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 159.111925][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111926][ T4877] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 159.111930][ T4877] ? kasan_save_stack (mm/kasan/common.c:58) [ 159.111932][ T4877] ? kasan_save_stack (mm/kasan/common.c:57) [ 159.111933][ T4877] ? kasan_save_track (mm/kasan/common.c:78) [ 159.111934][ T4877] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 159.111935][ T4877] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 159.111936][ T4877] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 159.111937][ T4877] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 159.111938][ T4877] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 159.111941][ T4877] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 159.111942][ T4877] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 159.111944][ T4877] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 159.111947][ T4877] ? ____sys_sendmsg (net/socket.c:2713) [ 159.111948][ T4877] ? ___sys_sendmsg (net/socket.c:2767) [ 159.111950][ T4877] ? __sys_sendmsg (net/socket.c:2799) [ 159.111951][ T4877] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 159.111953][ T4877] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 159.111956][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111957][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.111958][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111959][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111960][ T4877] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 159.111962][ T4877] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 159.111963][ T4877] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 159.111964][ T4877] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 159.111966][ T4877] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 159.111967][ T4877] ? nla_get_range_signed (lib/nlattr.c:270) [ 159.111970][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111972][ T4877] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 159.111974][ T4877] rtnl_newlink (net/core/rtnetlink.c:4215) [ 159.111976][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111977][ T4877] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 159.111978][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.111980][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111981][ T4877] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 159.111983][ T4877] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 159.111985][ T4877] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 159.111986][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111987][ T4877] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 159.111990][ T4877] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 159.111992][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111993][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.111995][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.111996][ T4877] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 159.111997][ T4877] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 159.111999][ T4877] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 159.112000][ T4877] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 159.112002][ T4877] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 159.112004][ T4877] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 159.112006][ T4877] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 159.112007][ T4877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 159.112009][ T4877] ? netlink_ack (./include/linux/skbuff.h:2718) [ 159.112011][ T4877] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 159.112014][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.112015][ T4877] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 159.112017][ T4877] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 159.112019][ T4877] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 159.112021][ T4877] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 159.112022][ T4877] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 159.112025][ T4877] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 159.112026][ T4877] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 159.112028][ T4877] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 159.112029][ T4877] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 159.112032][ T4877] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 159.112034][ T4877] ____sys_sendmsg (net/socket.c:2713) [ 159.112036][ T4877] ? copy_msghdr_from_user (net/socket.c:2650) [ 159.112037][ T4877] ? sock_write_iter (net/socket.c:1269) [ 159.112039][ T4877] ? move_addr_to_kernel (net/socket.c:258) [ 159.112040][ T4877] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 159.112043][ T4877] ___sys_sendmsg (net/socket.c:2767) [ 159.112045][ T4877] ? copy_msghdr_from_user (net/socket.c:2619) [ 159.112049][ T4877] __sys_sendmsg (net/socket.c:2799) [ 159.112051][ T4877] ? __sys_sendmsg_sock (net/socket.c:2780) [ 159.112054][ T4877] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 159.112055][ T4877] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 159.112057][ T4877] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 159.112060][ T4877] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 159.112061][ T4877] RIP: 0033:0x7fc8fce8454e [ 159.112063][ T4877] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 159.112065][ T4877] RSP: 002b:00007ffecc3336e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 159.112069][ T4877] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc8fce8454e [ 159.112070][ T4877] RDX: 0000000000000000 RSI: 00007ffecc333790 RDI: 0000000000000005 [ 159.112071][ T4877] RBP: 00007ffecc3336f0 R08: 0000000000000000 R09: 0000000000000000 [ 159.112072][ T4877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916816 [ 159.112073][ T4877] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecc333e50 | [ 160.206993][ T4934] softirqs last disabled at (0): 0x0 | [ 160.206995][ T4934] Preemption disabled at: | [ 160.206996][ T4934] vprintk_emit (kernel/printk/printk.c:2471) | [ 160.207007][ T4934] Tainted: [W]=WARN [ 160.207008][ T4934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.207010][ T4934] Call Trace: [ 160.207012][ T4934] [ 160.207013][ T4934] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 160.207019][ T4934] ? vprintk_emit (kernel/printk/printk.c:2471) [ 160.207020][ T4934] __might_resched.cold (kernel/sched/core.c:9234) [ 160.207024][ T4934] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 160.207026][ T4934] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 160.207030][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207032][ T4934] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 160.207035][ T4934] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.207038][ T4934] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 160.207043][ T4934] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 160.207045][ T4934] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 160.207048][ T4934] put_chars (drivers/char/virtio_console.c:1176) [ 160.207049][ T4934] ? __send_to_port (drivers/char/virtio_console.c:654) [ 160.207051][ T4934] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 160.207054][ T4934] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 160.207059][ T4934] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 160.207060][ T4934] ? vsnprintf (lib/vsprintf.c:2900) [ 160.207064][ T4934] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.207066][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207067][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207068][ T4934] console_emit_next_record (kernel/printk/printk.c:3183) [ 160.207071][ T4934] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 160.207073][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207074][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207075][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207076][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207079][ T4934] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 160.207081][ T4934] console_flush_one_record (kernel/printk/printk.c:3268) [ 160.207083][ T4934] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 160.207086][ T4934] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 160.207088][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207090][ T4934] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 160.207091][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207092][ T4934] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 160.207094][ T4934] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 160.207095][ T4934] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 160.207097][ T4934] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 160.207099][ T4934] ? vprintk_emit (kernel/printk/printk.c:2478) [ 160.207100][ T4934] vprintk_emit (kernel/printk/printk.c:2479) [ 160.207102][ T4934] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 160.207103][ T4934] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.207105][ T4934] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 160.207108][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207109][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207111][ T4934] _printk (kernel/printk/printk.c:2504) [ 160.207114][ T4934] ? snapshot_read.cold (user.c:?) [ 160.207116][ T4934] ? br_multicast_flood (??:?) [ 160.207119][ T4934] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 160.207121][ T4934] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 160.207123][ T4934] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 160.207124][ T4934] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 160.207127][ T4934] br_init_port (net/bridge/br_stp_if.c:39) [ 160.207129][ T4934] new_nbp (net/bridge/br_if.c:449) [ 160.207131][ T4934] br_add_if (net/bridge/br_if.c:592) [ 160.207133][ T4934] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 160.207137][ T4934] do_set_master (net/core/rtnetlink.c:3071) [ 160.207139][ T4934] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 160.207141][ T4934] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 160.207142][ T4934] ? __dev_get_by_name (net/core/dev.c:905) [ 160.207144][ T4934] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 160.207148][ T4934] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 160.207150][ T4934] rtnl_newlink (net/core/rtnetlink.c:4215) [ 160.207152][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207154][ T4934] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 160.207155][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207157][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207158][ T4934] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 160.207161][ T4934] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 160.207163][ T4934] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 160.207165][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207166][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207168][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207169][ T4934] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 160.207171][ T4934] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 160.207172][ T4934] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 160.207174][ T4934] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 160.207175][ T4934] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 160.207179][ T4934] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 160.207182][ T4934] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 160.207183][ T4934] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 160.207185][ T4934] ? netlink_ack (./include/linux/skbuff.h:2718) [ 160.207186][ T4934] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 160.207189][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207190][ T4934] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 160.207192][ T4934] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 160.207195][ T4934] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 160.207196][ T4934] ? next_uptodate_folio (mm/filemap.c:3747) [ 160.207199][ T4934] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 160.207202][ T4934] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 160.207204][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207205][ T4934] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 160.207209][ T4934] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 160.207212][ T4934] ____sys_sendmsg (net/socket.c:2713) [ 160.207214][ T4934] ? copy_msghdr_from_user (net/socket.c:2650) [ 160.207215][ T4934] ? sock_write_iter (net/socket.c:1269) [ 160.207217][ T4934] ? move_addr_to_kernel (net/socket.c:258) [ 160.207219][ T4934] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 160.207221][ T4934] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.207223][ T4934] ___sys_sendmsg (net/socket.c:2767) [ 160.207225][ T4934] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 160.207227][ T4934] ? copy_msghdr_from_user (net/socket.c:2619) [ 160.207228][ T4934] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 160.207233][ T4934] __sys_sendmsg (net/socket.c:2799) [ 160.207235][ T4934] ? __sys_sendmsg_sock (net/socket.c:2780) [ 160.207237][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207239][ T4934] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.207240][ T4934] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 160.207243][ T4934] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 160.207245][ T4934] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 160.207247][ T4934] RIP: 0033:0x7f41a776254e [ 160.207249][ T4934] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 160.207251][ T4934] RSP: 002b:00007ffca20efba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 160.207255][ T4934] RAX: ffffffffffffffda RBX: 00007ffca20f0368 RCX: 00007f41a776254e [ 160.207256][ T4934] RDX: 0000000000000000 RSI: 00007ffca20efc50 RDI: 0000000000000005 [ 160.207257][ T4934] RBP: 00007ffca20efbb0 R08: 0000000000000000 R09: 0000000000000000 [ 160.207258][ T4934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916817 [ 160.207259][ T4934] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca20f0320 | [ 165.734666][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 165.734668][ T12] Preemption disabled at: | [ 165.734669][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 165.734679][ T12] Tainted: [W]=WARN [ 165.734680][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.734682][ T12] Workqueue: netns cleanup_net [ 165.734688][ T12] Call Trace: [ 165.734689][ T12] [ 165.734690][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 165.734696][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 165.734697][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 165.734701][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 165.734703][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 165.734706][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734708][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 165.734711][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 165.734714][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 165.734719][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 165.734721][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 165.734723][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 165.734725][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 165.734727][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 165.734729][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 165.734734][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 165.734736][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 165.734738][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 165.734740][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734741][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734743][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 165.734746][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 165.734748][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734749][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734750][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734751][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 165.734753][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 165.734755][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 165.734757][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 165.734760][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 165.734762][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 165.734764][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 165.734766][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734767][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 165.734768][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 165.734770][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 165.734771][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 165.734773][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 165.734775][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 165.734776][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 165.734777][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 165.734779][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 165.734782][ T12] ? kthread (kernel/kthread.c:436) [ 165.734784][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 165.734787][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 165.734789][ T12] _printk (kernel/printk/printk.c:2504) [ 165.734792][ T12] ? snapshot_read.cold (user.c:?) [ 165.734794][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 165.734798][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 165.734800][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 165.734802][ T12] ? netdev_notice (net/core/dev.c:13194) [ 165.734804][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734805][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 165.734807][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 165.734810][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 165.734811][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 165.734813][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 165.734815][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 165.734817][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 165.734821][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 165.734824][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 165.734826][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 165.734828][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 165.734830][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 165.734833][ T12] cleanup_net (net/core/net_namespace.c:706) [ 165.734835][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 165.734840][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 165.734842][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 165.734844][ T12] process_one_work (kernel/workqueue.c:3387) [ 165.734847][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 165.734849][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 165.734852][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 165.734855][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 165.734859][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 165.734861][ T12] kthread (kernel/kthread.c:436) [ 165.734863][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 165.734865][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 165.734867][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 165.734869][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 165.734872][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 165.734875][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 165.734877][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 166.931521][ T5057] softirqs last disabled at (0): 0x0 | [ 166.931523][ T5057] Preemption disabled at: | [ 166.931524][ T5057] vprintk_emit (kernel/printk/printk.c:2471) | [ 166.931534][ T5057] Tainted: [W]=WARN [ 166.931535][ T5057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.931537][ T5057] Call Trace: [ 166.931539][ T5057] [ 166.931541][ T5057] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 166.931546][ T5057] ? vprintk_emit (kernel/printk/printk.c:2471) [ 166.931548][ T5057] __might_resched.cold (kernel/sched/core.c:9234) [ 166.931551][ T5057] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 166.931553][ T5057] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 166.931556][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931559][ T5057] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 166.931562][ T5057] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 166.931565][ T5057] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 166.931570][ T5057] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 166.931572][ T5057] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 166.931574][ T5057] put_chars (drivers/char/virtio_console.c:1176) [ 166.931576][ T5057] ? __send_to_port (drivers/char/virtio_console.c:654) [ 166.931578][ T5057] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 166.931580][ T5057] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 166.931585][ T5057] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 166.931586][ T5057] ? vsnprintf (lib/vsprintf.c:2900) [ 166.931590][ T5057] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 166.931591][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931593][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931594][ T5057] console_emit_next_record (kernel/printk/printk.c:3183) [ 166.931597][ T5057] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 166.931599][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931600][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931601][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931602][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931605][ T5057] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 166.931606][ T5057] console_flush_one_record (kernel/printk/printk.c:3268) [ 166.931609][ T5057] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 166.931611][ T5057] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 166.931613][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931615][ T5057] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 166.931617][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931618][ T5057] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 166.931619][ T5057] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 166.931621][ T5057] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 166.931622][ T5057] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 166.931624][ T5057] ? vprintk_emit (kernel/printk/printk.c:2478) [ 166.931625][ T5057] vprintk_emit (kernel/printk/printk.c:2479) [ 166.931627][ T5057] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 166.931628][ T5057] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 166.931630][ T5057] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 166.931633][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931635][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931636][ T5057] _printk (kernel/printk/printk.c:2504) [ 166.931639][ T5057] ? snapshot_read.cold (user.c:?) [ 166.931641][ T5057] ? br_multicast_flood (??:?) [ 166.931644][ T5057] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 166.931647][ T5057] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 166.931648][ T5057] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 166.931650][ T5057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 166.931653][ T5057] br_init_port (net/bridge/br_stp_if.c:39) [ 166.931655][ T5057] new_nbp (net/bridge/br_if.c:449) [ 166.931657][ T5057] br_add_if (net/bridge/br_if.c:592) [ 166.931659][ T5057] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 166.931663][ T5057] do_set_master (net/core/rtnetlink.c:3071) [ 166.931665][ T5057] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 166.931667][ T5057] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 166.931668][ T5057] ? __dev_get_by_name (net/core/dev.c:905) [ 166.931670][ T5057] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 166.931674][ T5057] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 166.931676][ T5057] rtnl_newlink (net/core/rtnetlink.c:4215) [ 166.931678][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931680][ T5057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 166.931681][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931682][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931684][ T5057] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 166.931686][ T5057] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 166.931688][ T5057] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 166.931690][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931691][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931693][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931694][ T5057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 166.931695][ T5057] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 166.931697][ T5057] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 166.931698][ T5057] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 166.931700][ T5057] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 166.931704][ T5057] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 166.931706][ T5057] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 166.931708][ T5057] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 166.931709][ T5057] ? netlink_ack (./include/linux/skbuff.h:2718) [ 166.931711][ T5057] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 166.931714][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931715][ T5057] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 166.931717][ T5057] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 166.931719][ T5057] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 166.931721][ T5057] ? next_uptodate_folio (mm/filemap.c:3747) [ 166.931724][ T5057] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 166.931726][ T5057] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 166.931728][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931730][ T5057] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 166.931734][ T5057] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 166.931737][ T5057] ____sys_sendmsg (net/socket.c:2713) [ 166.931738][ T5057] ? copy_msghdr_from_user (net/socket.c:2650) [ 166.931740][ T5057] ? sock_write_iter (net/socket.c:1269) [ 166.931742][ T5057] ? move_addr_to_kernel (net/socket.c:258) [ 166.931744][ T5057] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 166.931746][ T5057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 166.931748][ T5057] ___sys_sendmsg (net/socket.c:2767) [ 166.931750][ T5057] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 166.931752][ T5057] ? copy_msghdr_from_user (net/socket.c:2619) [ 166.931753][ T5057] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 166.931758][ T5057] __sys_sendmsg (net/socket.c:2799) [ 166.931760][ T5057] ? __sys_sendmsg_sock (net/socket.c:2780) [ 166.931762][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931764][ T5057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 166.931765][ T5057] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 166.931768][ T5057] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 166.931770][ T5057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 166.931772][ T5057] RIP: 0033:0x7f911d25454e [ 166.931774][ T5057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 166.931776][ T5057] RSP: 002b:00007ffdb9579e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 166.931779][ T5057] RAX: ffffffffffffffda RBX: 00007ffdb957a608 RCX: 00007f911d25454e [ 166.931781][ T5057] RDX: 0000000000000000 RSI: 00007ffdb9579ef0 RDI: 0000000000000005 [ 166.931781][ T5057] RBP: 00007ffdb9579e50 R08: 0000000000000000 R09: 0000000000000000 [ 166.931782][ T5057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91681e [ 166.931783][ T5057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb957a5c0 | [ 168.288969][ T5126] softirqs last disabled at (0): 0x0 | [ 168.288971][ T5126] Preemption disabled at: | [ 168.288971][ T5126] vprintk_emit (kernel/printk/printk.c:2471) | [ 168.288982][ T5126] Tainted: [W]=WARN [ 168.288983][ T5126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.288985][ T5126] Call Trace: [ 168.288986][ T5126] [ 168.288988][ T5126] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 168.288993][ T5126] ? vprintk_emit (kernel/printk/printk.c:2471) [ 168.288995][ T5126] __might_resched.cold (kernel/sched/core.c:9234) [ 168.288999][ T5126] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 168.289002][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289005][ T5126] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 168.289008][ T5126] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 168.289011][ T5126] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 168.289016][ T5126] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 168.289018][ T5126] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 168.289021][ T5126] put_chars (drivers/char/virtio_console.c:1176) [ 168.289022][ T5126] ? __send_to_port (drivers/char/virtio_console.c:654) [ 168.289024][ T5126] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 168.289026][ T5126] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 168.289028][ T5126] ? pointer (lib/vsprintf.c:2577) [ 168.289032][ T5126] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 168.289037][ T5126] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 168.289039][ T5126] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 168.289041][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289043][ T5126] console_emit_next_record (kernel/printk/printk.c:3183) [ 168.289046][ T5126] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 168.289048][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289049][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289050][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289051][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289053][ T5126] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 168.289055][ T5126] console_flush_one_record (kernel/printk/printk.c:3268) [ 168.289058][ T5126] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 168.289060][ T5126] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 168.289063][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289064][ T5126] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 168.289066][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289067][ T5126] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 168.289069][ T5126] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 168.289070][ T5126] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 168.289072][ T5126] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 168.289074][ T5126] ? vprintk_emit (kernel/printk/printk.c:2478) [ 168.289075][ T5126] vprintk_emit (kernel/printk/printk.c:2479) [ 168.289077][ T5126] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 168.289078][ T5126] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 168.289081][ T5126] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 168.289084][ T5126] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 168.289087][ T5126] _printk (kernel/printk/printk.c:2504) [ 168.289089][ T5126] ? snapshot_read.cold (user.c:?) [ 168.289091][ T5126] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 168.289094][ T5126] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 168.289097][ T5126] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 168.289099][ T5126] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 168.289102][ T5126] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 168.289104][ T5126] ? netdev_notice (net/core/dev.c:13194) [ 168.289107][ T5126] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 168.289108][ T5126] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 168.289111][ T5126] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 168.289113][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289114][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289115][ T5126] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 168.289116][ T5126] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 168.289118][ T5126] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 168.289119][ T5126] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 168.289121][ T5126] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 168.289122][ T5126] ? register_netdev (net/core/dev.c:11618) [ 168.289124][ T5126] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 168.289126][ T5126] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 168.289129][ T5126] ? __kernel_text_address (kernel/extable.c:79) [ 168.289131][ T5126] ? write_profile (profile.c:?) [ 168.289134][ T5126] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 168.289137][ T5126] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 168.289139][ T5126] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 168.289141][ T5126] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 168.289142][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289144][ T5126] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 168.289147][ T5126] ? kasan_save_stack (mm/kasan/common.c:58) [ 168.289149][ T5126] ? kasan_save_stack (mm/kasan/common.c:57) [ 168.289150][ T5126] ? kasan_save_track (mm/kasan/common.c:78) [ 168.289151][ T5126] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 168.289152][ T5126] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 168.289153][ T5126] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 168.289155][ T5126] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 168.289156][ T5126] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 168.289159][ T5126] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 168.289160][ T5126] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 168.289162][ T5126] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 168.289165][ T5126] ? ____sys_sendmsg (net/socket.c:2713) [ 168.289166][ T5126] ? ___sys_sendmsg (net/socket.c:2767) [ 168.289168][ T5126] ? __sys_sendmsg (net/socket.c:2799) [ 168.289170][ T5126] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 168.289173][ T5126] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 168.289175][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289177][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289178][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289179][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289181][ T5126] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 168.289182][ T5126] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 168.289184][ T5126] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 168.289185][ T5126] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 168.289186][ T5126] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 168.289188][ T5126] ? nla_get_range_signed (lib/nlattr.c:270) [ 168.289191][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289192][ T5126] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 168.289194][ T5126] rtnl_newlink (net/core/rtnetlink.c:4215) [ 168.289196][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289198][ T5126] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 168.289199][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289200][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289202][ T5126] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 168.289204][ T5126] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 168.289206][ T5126] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 168.289207][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289208][ T5126] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 168.289211][ T5126] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 168.289214][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289215][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289217][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289218][ T5126] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 168.289219][ T5126] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 168.289221][ T5126] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 168.289222][ T5126] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 168.289224][ T5126] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 168.289226][ T5126] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 168.289228][ T5126] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 168.289229][ T5126] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 168.289231][ T5126] ? netlink_ack (./include/linux/skbuff.h:2718) [ 168.289233][ T5126] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 168.289236][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289237][ T5126] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 168.289239][ T5126] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 168.289241][ T5126] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 168.289243][ T5126] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 168.289245][ T5126] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 168.289248][ T5126] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 168.289249][ T5126] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 168.289251][ T5126] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.289252][ T5126] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 168.289256][ T5126] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 168.289258][ T5126] ____sys_sendmsg (net/socket.c:2713) [ 168.289259][ T5126] ? copy_msghdr_from_user (net/socket.c:2650) [ 168.289261][ T5126] ? sock_write_iter (net/socket.c:1269) [ 168.289262][ T5126] ? move_addr_to_kernel (net/socket.c:258) [ 168.289264][ T5126] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 168.289267][ T5126] ___sys_sendmsg (net/socket.c:2767) [ 168.289269][ T5126] ? copy_msghdr_from_user (net/socket.c:2619) [ 168.289274][ T5126] __sys_sendmsg (net/socket.c:2799) [ 168.289275][ T5126] ? __sys_sendmsg_sock (net/socket.c:2780) [ 168.289278][ T5126] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.289280][ T5126] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 168.289282][ T5126] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 168.289284][ T5126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 168.289285][ T5126] RIP: 0033:0x7fde4b57154e [ 168.289287][ T5126] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 168.289289][ T5126] RSP: 002b:00007ffc69228770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 168.289293][ T5126] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fde4b57154e [ 168.289294][ T5126] RDX: 0000000000000000 RSI: 00007ffc69228820 RDI: 0000000000000005 [ 168.289295][ T5126] RBP: 00007ffc69228780 R08: 0000000000000000 R09: 0000000000000000 [ 168.289296][ T5126] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91681f [ 168.289297][ T5126] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc69228ee0 | [ 169.385039][ T5176] softirqs last disabled at (0): 0x0 | [ 169.385041][ T5176] Preemption disabled at: | [ 169.385042][ T5176] vprintk_emit (kernel/printk/printk.c:2471) | [ 169.385052][ T5176] Tainted: [W]=WARN [ 169.385053][ T5176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.385055][ T5176] Call Trace: [ 169.385056][ T5176] [ 169.385057][ T5176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 169.385063][ T5176] ? vprintk_emit (kernel/printk/printk.c:2471) [ 169.385064][ T5176] __might_resched.cold (kernel/sched/core.c:9234) [ 169.385068][ T5176] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 169.385071][ T5176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 169.385074][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385076][ T5176] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 169.385079][ T5176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.385082][ T5176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 169.385087][ T5176] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 169.385089][ T5176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 169.385092][ T5176] put_chars (drivers/char/virtio_console.c:1176) [ 169.385094][ T5176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 169.385095][ T5176] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 169.385098][ T5176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 169.385103][ T5176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 169.385104][ T5176] ? vsnprintf (lib/vsprintf.c:2900) [ 169.385108][ T5176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.385109][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385110][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385112][ T5176] console_emit_next_record (kernel/printk/printk.c:3183) [ 169.385115][ T5176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 169.385117][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385118][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385119][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385120][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385123][ T5176] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 169.385125][ T5176] console_flush_one_record (kernel/printk/printk.c:3268) [ 169.385127][ T5176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 169.385130][ T5176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 169.385132][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385133][ T5176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 169.385135][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385136][ T5176] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 169.385138][ T5176] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 169.385139][ T5176] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 169.385141][ T5176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 169.385143][ T5176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 169.385144][ T5176] vprintk_emit (kernel/printk/printk.c:2479) [ 169.385146][ T5176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 169.385147][ T5176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.385149][ T5176] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 169.385152][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385153][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385155][ T5176] _printk (kernel/printk/printk.c:2504) [ 169.385158][ T5176] ? snapshot_read.cold (user.c:?) [ 169.385161][ T5176] ? br_multicast_flood (??:?) [ 169.385164][ T5176] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 169.385167][ T5176] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 169.385168][ T5176] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 169.385170][ T5176] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 169.385172][ T5176] br_init_port (net/bridge/br_stp_if.c:39) [ 169.385174][ T5176] new_nbp (net/bridge/br_if.c:449) [ 169.385176][ T5176] br_add_if (net/bridge/br_if.c:592) [ 169.385178][ T5176] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 169.385182][ T5176] do_set_master (net/core/rtnetlink.c:3071) [ 169.385184][ T5176] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 169.385186][ T5176] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 169.385188][ T5176] ? __dev_get_by_name (net/core/dev.c:905) [ 169.385189][ T5176] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 169.385194][ T5176] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 169.385197][ T5176] rtnl_newlink (net/core/rtnetlink.c:4215) [ 169.385199][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385200][ T5176] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 169.385201][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385203][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385204][ T5176] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 169.385207][ T5176] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 169.385209][ T5176] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 169.385211][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385212][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385214][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385215][ T5176] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 169.385216][ T5176] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 169.385218][ T5176] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 169.385219][ T5176] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 169.385221][ T5176] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 169.385225][ T5176] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 169.385228][ T5176] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 169.385229][ T5176] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 169.385231][ T5176] ? netlink_ack (./include/linux/skbuff.h:2718) [ 169.385232][ T5176] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 169.385235][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385237][ T5176] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 169.385239][ T5176] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 169.385241][ T5176] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 169.385243][ T5176] ? next_uptodate_folio (mm/filemap.c:3747) [ 169.385246][ T5176] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 169.385248][ T5176] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 169.385250][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385252][ T5176] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 169.385255][ T5176] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 169.385259][ T5176] ____sys_sendmsg (net/socket.c:2713) [ 169.385260][ T5176] ? copy_msghdr_from_user (net/socket.c:2650) [ 169.385262][ T5176] ? sock_write_iter (net/socket.c:1269) [ 169.385264][ T5176] ? move_addr_to_kernel (net/socket.c:258) [ 169.385266][ T5176] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 169.385268][ T5176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.385270][ T5176] ___sys_sendmsg (net/socket.c:2767) [ 169.385272][ T5176] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 169.385274][ T5176] ? copy_msghdr_from_user (net/socket.c:2619) [ 169.385275][ T5176] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 169.385280][ T5176] __sys_sendmsg (net/socket.c:2799) [ 169.385282][ T5176] ? __sys_sendmsg_sock (net/socket.c:2780) [ 169.385285][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385286][ T5176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.385287][ T5176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 169.385290][ T5176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 169.385292][ T5176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 169.385294][ T5176] RIP: 0033:0x7fcfd2a8954e [ 169.385296][ T5176] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 169.385299][ T5176] RSP: 002b:00007fffa6810a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 169.385302][ T5176] RAX: ffffffffffffffda RBX: 00007fffa6811208 RCX: 00007fcfd2a8954e [ 169.385304][ T5176] RDX: 0000000000000000 RSI: 00007fffa6810af0 RDI: 0000000000000005 [ 169.385305][ T5176] RBP: 00007fffa6810a50 R08: 0000000000000000 R09: 0000000000000000 [ 169.385306][ T5176] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916820 [ 169.385306][ T5176] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa68111c0 | [ 174.928089][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 174.928092][ T12] Preemption disabled at: | [ 174.928093][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 174.928103][ T12] Tainted: [W]=WARN [ 174.928104][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 174.928105][ T12] Workqueue: netns cleanup_net [ 174.928111][ T12] Call Trace: [ 174.928113][ T12] [ 174.928115][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 174.928120][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 174.928122][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 174.928125][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 174.928128][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 174.928131][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928133][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 174.928136][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 174.928139][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 174.928144][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 174.928146][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 174.928149][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 174.928150][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 174.928152][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 174.928155][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 174.928159][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 174.928161][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 174.928164][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 174.928166][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928167][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928168][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 174.928171][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 174.928173][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928174][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928175][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928176][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.928179][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 174.928180][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 174.928183][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 174.928185][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 174.928187][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.928189][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 174.928191][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928192][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 174.928193][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 174.928195][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 174.928196][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 174.928199][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 174.928200][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 174.928202][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 174.928203][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 174.928205][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 174.928207][ T12] ? kthread (kernel/kthread.c:436) [ 174.928209][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 174.928212][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 174.928215][ T12] _printk (kernel/printk/printk.c:2504) [ 174.928218][ T12] ? snapshot_read.cold (user.c:?) [ 174.928220][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 174.928223][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 174.928225][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 174.928228][ T12] ? netdev_notice (net/core/dev.c:13194) [ 174.928230][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928231][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 174.928233][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 174.928236][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 174.928237][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 174.928239][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 174.928241][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 174.928243][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 174.928247][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 174.928250][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 174.928252][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 174.928254][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 174.928256][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 174.928259][ T12] cleanup_net (net/core/net_namespace.c:706) [ 174.928261][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 174.928263][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 174.928265][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 174.928266][ T12] process_one_work (kernel/workqueue.c:3387) [ 174.928269][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 174.928271][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 174.928273][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 174.928276][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 174.928279][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 174.928281][ T12] kthread (kernel/kthread.c:436) [ 174.928283][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 174.928284][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 174.928286][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 174.928288][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 174.928290][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 174.928293][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 174.928295][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 176.159136][ T5299] softirqs last disabled at (0): 0x0 | [ 176.159138][ T5299] Preemption disabled at: | [ 176.159139][ T5299] vprintk_emit (kernel/printk/printk.c:2471) | [ 176.159149][ T5299] Tainted: [W]=WARN [ 176.159150][ T5299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 176.159152][ T5299] Call Trace: [ 176.159154][ T5299] [ 176.159155][ T5299] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 176.159161][ T5299] ? vprintk_emit (kernel/printk/printk.c:2471) [ 176.159162][ T5299] __might_resched.cold (kernel/sched/core.c:9234) [ 176.159166][ T5299] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 176.159168][ T5299] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 176.159172][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159174][ T5299] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 176.159177][ T5299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 176.159180][ T5299] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 176.159185][ T5299] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 176.159187][ T5299] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 176.159189][ T5299] put_chars (drivers/char/virtio_console.c:1176) [ 176.159191][ T5299] ? __send_to_port (drivers/char/virtio_console.c:654) [ 176.159192][ T5299] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 176.159195][ T5299] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 176.159200][ T5299] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 176.159202][ T5299] ? vsnprintf (lib/vsprintf.c:2900) [ 176.159205][ T5299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 176.159207][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159208][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159210][ T5299] console_emit_next_record (kernel/printk/printk.c:3183) [ 176.159212][ T5299] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 176.159215][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159216][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159217][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159218][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159220][ T5299] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 176.159222][ T5299] console_flush_one_record (kernel/printk/printk.c:3268) [ 176.159224][ T5299] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 176.159227][ T5299] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 176.159229][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159231][ T5299] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 176.159232][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159233][ T5299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 176.159235][ T5299] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 176.159237][ T5299] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 176.159238][ T5299] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 176.159240][ T5299] ? vprintk_emit (kernel/printk/printk.c:2478) [ 176.159241][ T5299] vprintk_emit (kernel/printk/printk.c:2479) [ 176.159243][ T5299] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 176.159244][ T5299] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 176.159246][ T5299] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 176.159249][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159250][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159252][ T5299] _printk (kernel/printk/printk.c:2504) [ 176.159255][ T5299] ? snapshot_read.cold (user.c:?) [ 176.159257][ T5299] ? br_multicast_flood (??:?) [ 176.159260][ T5299] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 176.159263][ T5299] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 176.159264][ T5299] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 176.159266][ T5299] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 176.159269][ T5299] br_init_port (net/bridge/br_stp_if.c:39) [ 176.159270][ T5299] new_nbp (net/bridge/br_if.c:449) [ 176.159272][ T5299] br_add_if (net/bridge/br_if.c:592) [ 176.159274][ T5299] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 176.159279][ T5299] do_set_master (net/core/rtnetlink.c:3071) [ 176.159280][ T5299] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 176.159282][ T5299] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 176.159283][ T5299] ? __dev_get_by_name (net/core/dev.c:905) [ 176.159285][ T5299] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 176.159289][ T5299] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 176.159292][ T5299] rtnl_newlink (net/core/rtnetlink.c:4215) [ 176.159294][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159295][ T5299] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 176.159296][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159298][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159299][ T5299] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 176.159302][ T5299] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 176.159304][ T5299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 176.159306][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159307][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159309][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159310][ T5299] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 176.159312][ T5299] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 176.159314][ T5299] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 176.159315][ T5299] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 176.159317][ T5299] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 176.159320][ T5299] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 176.159323][ T5299] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 176.159325][ T5299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 176.159326][ T5299] ? netlink_ack (./include/linux/skbuff.h:2718) [ 176.159328][ T5299] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 176.159331][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159332][ T5299] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 176.159334][ T5299] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 176.159336][ T5299] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 176.159338][ T5299] ? next_uptodate_folio (mm/filemap.c:3747) [ 176.159341][ T5299] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 176.159344][ T5299] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 176.159346][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159347][ T5299] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 176.159351][ T5299] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 176.159353][ T5299] ____sys_sendmsg (net/socket.c:2713) [ 176.159355][ T5299] ? copy_msghdr_from_user (net/socket.c:2650) [ 176.159357][ T5299] ? sock_write_iter (net/socket.c:1269) [ 176.159358][ T5299] ? move_addr_to_kernel (net/socket.c:258) [ 176.159360][ T5299] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 176.159363][ T5299] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 176.159365][ T5299] ___sys_sendmsg (net/socket.c:2767) [ 176.159366][ T5299] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 176.159368][ T5299] ? copy_msghdr_from_user (net/socket.c:2619) [ 176.159370][ T5299] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 176.159374][ T5299] __sys_sendmsg (net/socket.c:2799) [ 176.159376][ T5299] ? __sys_sendmsg_sock (net/socket.c:2780) [ 176.159379][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159380][ T5299] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 176.159382][ T5299] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 176.159384][ T5299] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 176.159386][ T5299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 176.159389][ T5299] RIP: 0033:0x7efdea28354e [ 176.159391][ T5299] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 176.159393][ T5299] RSP: 002b:00007ffd6280f1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 176.159396][ T5299] RAX: ffffffffffffffda RBX: 00007ffd6280f978 RCX: 00007efdea28354e [ 176.159398][ T5299] RDX: 0000000000000000 RSI: 00007ffd6280f260 RDI: 0000000000000005 [ 176.159399][ T5299] RBP: 00007ffd6280f1c0 R08: 0000000000000000 R09: 0000000000000000 [ 176.159400][ T5299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916827 [ 176.159401][ T5299] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6280f930 | [ 177.554618][ T5369] softirqs last disabled at (0): 0x0 | [ 177.554620][ T5369] Preemption disabled at: | [ 177.554621][ T5369] vprintk_emit (kernel/printk/printk.c:2471) | [ 177.554631][ T5369] Tainted: [W]=WARN [ 177.554632][ T5369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 177.554634][ T5369] Call Trace: [ 177.554635][ T5369] [ 177.554636][ T5369] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 177.554642][ T5369] ? vprintk_emit (kernel/printk/printk.c:2471) [ 177.554643][ T5369] __might_resched.cold (kernel/sched/core.c:9234) [ 177.554647][ T5369] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 177.554650][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554653][ T5369] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 177.554656][ T5369] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 177.554659][ T5369] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 177.554664][ T5369] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 177.554666][ T5369] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 177.554669][ T5369] put_chars (drivers/char/virtio_console.c:1176) [ 177.554671][ T5369] ? __send_to_port (drivers/char/virtio_console.c:654) [ 177.554672][ T5369] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 177.554674][ T5369] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 177.554676][ T5369] ? pointer (lib/vsprintf.c:2577) [ 177.554680][ T5369] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 177.554685][ T5369] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 177.554687][ T5369] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 177.554688][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554691][ T5369] console_emit_next_record (kernel/printk/printk.c:3183) [ 177.554694][ T5369] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 177.554696][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554697][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554698][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554699][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554702][ T5369] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 177.554703][ T5369] console_flush_one_record (kernel/printk/printk.c:3268) [ 177.554706][ T5369] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 177.554709][ T5369] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 177.554711][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554712][ T5369] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 177.554714][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554715][ T5369] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 177.554717][ T5369] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 177.554718][ T5369] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 177.554720][ T5369] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 177.554722][ T5369] ? vprintk_emit (kernel/printk/printk.c:2478) [ 177.554723][ T5369] vprintk_emit (kernel/printk/printk.c:2479) [ 177.554725][ T5369] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 177.554726][ T5369] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 177.554729][ T5369] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 177.554732][ T5369] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 177.554734][ T5369] _printk (kernel/printk/printk.c:2504) [ 177.554737][ T5369] ? snapshot_read.cold (user.c:?) [ 177.554739][ T5369] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 177.554741][ T5369] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 177.554745][ T5369] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 177.554747][ T5369] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 177.554750][ T5369] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 177.554752][ T5369] ? netdev_notice (net/core/dev.c:13194) [ 177.554754][ T5369] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 177.554756][ T5369] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 177.554758][ T5369] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 177.554760][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554761][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554762][ T5369] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 177.554764][ T5369] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 177.554766][ T5369] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 177.554767][ T5369] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 177.554768][ T5369] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 177.554770][ T5369] ? register_netdev (net/core/dev.c:11618) [ 177.554771][ T5369] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 177.554773][ T5369] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 177.554776][ T5369] ? __kernel_text_address (kernel/extable.c:79) [ 177.554779][ T5369] ? write_profile (profile.c:?) [ 177.554782][ T5369] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 177.554785][ T5369] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 177.554787][ T5369] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 177.554789][ T5369] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 177.554790][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554792][ T5369] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 177.554795][ T5369] ? kasan_save_stack (mm/kasan/common.c:58) [ 177.554797][ T5369] ? kasan_save_stack (mm/kasan/common.c:57) [ 177.554798][ T5369] ? kasan_save_track (mm/kasan/common.c:78) [ 177.554799][ T5369] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 177.554800][ T5369] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 177.554801][ T5369] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 177.554802][ T5369] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 177.554804][ T5369] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 177.554806][ T5369] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 177.554808][ T5369] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 177.554810][ T5369] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 177.554812][ T5369] ? ____sys_sendmsg (net/socket.c:2713) [ 177.554814][ T5369] ? ___sys_sendmsg (net/socket.c:2767) [ 177.554815][ T5369] ? __sys_sendmsg (net/socket.c:2799) [ 177.554817][ T5369] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 177.554819][ T5369] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 177.554822][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554823][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554824][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554825][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554827][ T5369] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 177.554828][ T5369] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 177.554829][ T5369] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 177.554831][ T5369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 177.554832][ T5369] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 177.554833][ T5369] ? nla_get_range_signed (lib/nlattr.c:270) [ 177.554840][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554841][ T5369] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 177.554844][ T5369] rtnl_newlink (net/core/rtnetlink.c:4215) [ 177.554846][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554847][ T5369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 177.554848][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554850][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554851][ T5369] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 177.554854][ T5369] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 177.554855][ T5369] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 177.554856][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554857][ T5369] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 177.554861][ T5369] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 177.554863][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554864][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554866][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554867][ T5369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 177.554869][ T5369] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 177.554870][ T5369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 177.554872][ T5369] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 177.554873][ T5369] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 177.554876][ T5369] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 177.554878][ T5369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 177.554879][ T5369] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 177.554881][ T5369] ? netlink_ack (./include/linux/skbuff.h:2718) [ 177.554882][ T5369] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 177.554885][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554887][ T5369] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 177.554889][ T5369] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 177.554891][ T5369] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 177.554893][ T5369] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 177.554895][ T5369] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 177.554897][ T5369] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 177.554899][ T5369] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 177.554900][ T5369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 177.554902][ T5369] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 177.554905][ T5369] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 177.554907][ T5369] ____sys_sendmsg (net/socket.c:2713) [ 177.554909][ T5369] ? copy_msghdr_from_user (net/socket.c:2650) [ 177.554911][ T5369] ? sock_write_iter (net/socket.c:1269) [ 177.554912][ T5369] ? move_addr_to_kernel (net/socket.c:258) [ 177.554914][ T5369] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 177.554916][ T5369] ___sys_sendmsg (net/socket.c:2767) [ 177.554918][ T5369] ? copy_msghdr_from_user (net/socket.c:2619) [ 177.554923][ T5369] __sys_sendmsg (net/socket.c:2799) [ 177.554925][ T5369] ? __sys_sendmsg_sock (net/socket.c:2780) [ 177.554928][ T5369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 177.554929][ T5369] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 177.554931][ T5369] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 177.554933][ T5369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 177.554935][ T5369] RIP: 0033:0x7fb3b035054e [ 177.554937][ T5369] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 177.554939][ T5369] RSP: 002b:00007ffd0e45bdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 177.554943][ T5369] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb3b035054e [ 177.554944][ T5369] RDX: 0000000000000000 RSI: 00007ffd0e45be80 RDI: 0000000000000005 [ 177.554945][ T5369] RBP: 00007ffd0e45bde0 R08: 0000000000000000 R09: 0000000000000000 [ 177.554946][ T5369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916828 [ 177.554947][ T5369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0e45c540 | [ 178.683484][ T5419] softirqs last disabled at (0): 0x0 | [ 178.683486][ T5419] Preemption disabled at: | [ 178.683487][ T5419] vprintk_emit (kernel/printk/printk.c:2471) | [ 178.683497][ T5419] Tainted: [W]=WARN [ 178.683498][ T5419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 178.683500][ T5419] Call Trace: [ 178.683501][ T5419] [ 178.683503][ T5419] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 178.683508][ T5419] ? vprintk_emit (kernel/printk/printk.c:2471) [ 178.683510][ T5419] __might_resched.cold (kernel/sched/core.c:9234) [ 178.683513][ T5419] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 178.683515][ T5419] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 178.683519][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683521][ T5419] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 178.683524][ T5419] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 178.683527][ T5419] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 178.683532][ T5419] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 178.683534][ T5419] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 178.683536][ T5419] put_chars (drivers/char/virtio_console.c:1176) [ 178.683538][ T5419] ? __send_to_port (drivers/char/virtio_console.c:654) [ 178.683540][ T5419] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 178.683542][ T5419] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 178.683547][ T5419] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 178.683548][ T5419] ? vsnprintf (lib/vsprintf.c:2900) [ 178.683552][ T5419] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 178.683553][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683555][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683556][ T5419] console_emit_next_record (kernel/printk/printk.c:3183) [ 178.683559][ T5419] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 178.683561][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683562][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683563][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683564][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683567][ T5419] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 178.683568][ T5419] console_flush_one_record (kernel/printk/printk.c:3268) [ 178.683571][ T5419] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 178.683573][ T5419] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 178.683575][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683577][ T5419] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 178.683579][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683580][ T5419] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 178.683581][ T5419] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 178.683583][ T5419] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 178.683584][ T5419] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 178.683586][ T5419] ? vprintk_emit (kernel/printk/printk.c:2478) [ 178.683588][ T5419] vprintk_emit (kernel/printk/printk.c:2479) [ 178.683589][ T5419] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 178.683591][ T5419] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 178.683592][ T5419] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 178.683595][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683597][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683598][ T5419] _printk (kernel/printk/printk.c:2504) [ 178.683601][ T5419] ? snapshot_read.cold (user.c:?) [ 178.683603][ T5419] ? br_multicast_flood (??:?) [ 178.683607][ T5419] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 178.683610][ T5419] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 178.683611][ T5419] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 178.683613][ T5419] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 178.683615][ T5419] br_init_port (net/bridge/br_stp_if.c:39) [ 178.683617][ T5419] new_nbp (net/bridge/br_if.c:449) [ 178.683619][ T5419] br_add_if (net/bridge/br_if.c:592) [ 178.683621][ T5419] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 178.683625][ T5419] do_set_master (net/core/rtnetlink.c:3071) [ 178.683627][ T5419] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 178.683629][ T5419] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 178.683630][ T5419] ? __dev_get_by_name (net/core/dev.c:905) [ 178.683632][ T5419] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 178.683636][ T5419] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 178.683639][ T5419] rtnl_newlink (net/core/rtnetlink.c:4215) [ 178.683641][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683642][ T5419] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 178.683643][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683645][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683646][ T5419] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 178.683649][ T5419] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 178.683651][ T5419] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 178.683653][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683654][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683656][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683657][ T5419] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 178.683658][ T5419] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 178.683660][ T5419] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 178.683661][ T5419] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 178.683663][ T5419] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 178.683667][ T5419] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 178.683670][ T5419] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 178.683671][ T5419] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 178.683673][ T5419] ? netlink_ack (./include/linux/skbuff.h:2718) [ 178.683674][ T5419] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 178.683677][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683678][ T5419] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 178.683680][ T5419] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 178.683683][ T5419] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 178.683685][ T5419] ? next_uptodate_folio (mm/filemap.c:3747) [ 178.683688][ T5419] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 178.683690][ T5419] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 178.683692][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683694][ T5419] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 178.683697][ T5419] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 178.683700][ T5419] ____sys_sendmsg (net/socket.c:2713) [ 178.683702][ T5419] ? copy_msghdr_from_user (net/socket.c:2650) [ 178.683703][ T5419] ? sock_write_iter (net/socket.c:1269) [ 178.683705][ T5419] ? move_addr_to_kernel (net/socket.c:258) [ 178.683707][ T5419] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 178.683710][ T5419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 178.683712][ T5419] ___sys_sendmsg (net/socket.c:2767) [ 178.683713][ T5419] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 178.683715][ T5419] ? copy_msghdr_from_user (net/socket.c:2619) [ 178.683717][ T5419] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 178.683721][ T5419] __sys_sendmsg (net/socket.c:2799) [ 178.683723][ T5419] ? __sys_sendmsg_sock (net/socket.c:2780) [ 178.683726][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683727][ T5419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 178.683728][ T5419] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 178.683731][ T5419] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 178.683733][ T5419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 178.683735][ T5419] RIP: 0033:0x7f673aa8154e [ 178.683737][ T5419] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 178.683739][ T5419] RSP: 002b:00007ffd4f2dbac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 178.683743][ T5419] RAX: ffffffffffffffda RBX: 00007ffd4f2dc288 RCX: 00007f673aa8154e [ 178.683744][ T5419] RDX: 0000000000000000 RSI: 00007ffd4f2dbb70 RDI: 0000000000000005 [ 178.683745][ T5419] RBP: 00007ffd4f2dbad0 R08: 0000000000000000 R09: 0000000000000000 [ 178.683746][ T5419] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91682a [ 178.683747][ T5419] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4f2dc240 | [ 191.784496][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 191.784499][ T12] Preemption disabled at: | [ 191.784499][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 191.784509][ T12] Tainted: [W]=WARN [ 191.784510][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 191.784512][ T12] Workqueue: netns cleanup_net [ 191.784518][ T12] Call Trace: [ 191.784520][ T12] [ 191.784521][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 191.784527][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 191.784528][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 191.784532][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 191.784534][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 191.784537][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784540][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 191.784543][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.784546][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 191.784550][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 191.784552][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 191.784555][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 191.784557][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 191.784558][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 191.784561][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 191.784566][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 191.784567][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 191.784570][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.784571][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784572][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784574][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 191.784577][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 191.784579][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784580][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784581][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784582][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.784584][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 191.784586][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 191.784589][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 191.784591][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 191.784593][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.784595][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 191.784596][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784598][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.784599][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 191.784601][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 191.784602][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 191.784604][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 191.784605][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 191.784607][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 191.784608][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 191.784610][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 191.784612][ T12] ? kthread (kernel/kthread.c:436) [ 191.784615][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 191.784617][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 191.784620][ T12] _printk (kernel/printk/printk.c:2504) [ 191.784623][ T12] ? snapshot_read.cold (user.c:?) [ 191.784625][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 191.784629][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 191.784631][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 191.784633][ T12] ? netdev_notice (net/core/dev.c:13194) [ 191.784635][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784637][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 191.784638][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 191.784641][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 191.784642][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 191.784644][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 191.784646][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 191.784649][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 191.784653][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 191.784655][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 191.784658][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 191.784660][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 191.784662][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 191.784665][ T12] cleanup_net (net/core/net_namespace.c:706) [ 191.784666][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 191.784668][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.784670][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.784672][ T12] process_one_work (kernel/workqueue.c:3387) [ 191.784675][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 191.784677][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 191.784679][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.784681][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 191.784684][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 191.784686][ T12] kthread (kernel/kthread.c:436) [ 191.784688][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 191.784689][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 191.784691][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 191.784693][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 191.784695][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 191.784698][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 191.784700][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 194.105096][ T5755] softirqs last disabled at (0): 0x0 | [ 194.105098][ T5755] Preemption disabled at: | [ 194.105099][ T5755] vprintk_emit (kernel/printk/printk.c:2471) | [ 194.105109][ T5755] Tainted: [W]=WARN [ 194.105110][ T5755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 194.105112][ T5755] Call Trace: [ 194.105114][ T5755] [ 194.105115][ T5755] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 194.105121][ T5755] ? vprintk_emit (kernel/printk/printk.c:2471) [ 194.105122][ T5755] __might_resched.cold (kernel/sched/core.c:9234) [ 194.105127][ T5755] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 194.105130][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105133][ T5755] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 194.105136][ T5755] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 194.105139][ T5755] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 194.105144][ T5755] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 194.105145][ T5755] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 194.105148][ T5755] put_chars (drivers/char/virtio_console.c:1176) [ 194.105149][ T5755] ? __send_to_port (drivers/char/virtio_console.c:654) [ 194.105151][ T5755] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 194.105153][ T5755] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 194.105155][ T5755] ? pointer (lib/vsprintf.c:2577) [ 194.105159][ T5755] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 194.105163][ T5755] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 194.105165][ T5755] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 194.105167][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105170][ T5755] console_emit_next_record (kernel/printk/printk.c:3183) [ 194.105172][ T5755] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 194.105175][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105176][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105177][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105178][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105180][ T5755] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 194.105181][ T5755] console_flush_one_record (kernel/printk/printk.c:3268) [ 194.105184][ T5755] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 194.105186][ T5755] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 194.105188][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105190][ T5755] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 194.105192][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105193][ T5755] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.105194][ T5755] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 194.105196][ T5755] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 194.105197][ T5755] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 194.105199][ T5755] ? vprintk_emit (kernel/printk/printk.c:2478) [ 194.105201][ T5755] vprintk_emit (kernel/printk/printk.c:2479) [ 194.105203][ T5755] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 194.105204][ T5755] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 194.105206][ T5755] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 194.105209][ T5755] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 194.105212][ T5755] _printk (kernel/printk/printk.c:2504) [ 194.105215][ T5755] ? snapshot_read.cold (user.c:?) [ 194.105217][ T5755] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 194.105219][ T5755] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 194.105223][ T5755] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 194.105224][ T5755] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 194.105228][ T5755] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 194.105230][ T5755] ? netdev_notice (net/core/dev.c:13194) [ 194.105232][ T5755] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 194.105234][ T5755] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 194.105236][ T5755] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 194.105238][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105239][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105240][ T5755] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 194.105241][ T5755] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 194.105243][ T5755] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 194.105244][ T5755] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 194.105245][ T5755] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 194.105247][ T5755] ? register_netdev (net/core/dev.c:11618) [ 194.105248][ T5755] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.105250][ T5755] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 194.105253][ T5755] ? __kernel_text_address (kernel/extable.c:79) [ 194.105256][ T5755] ? write_profile (profile.c:?) [ 194.105259][ T5755] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 194.105262][ T5755] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 194.105264][ T5755] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 194.105266][ T5755] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 194.105267][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105268][ T5755] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 194.105271][ T5755] ? kasan_save_stack (mm/kasan/common.c:58) [ 194.105273][ T5755] ? kasan_save_stack (mm/kasan/common.c:57) [ 194.105274][ T5755] ? kasan_save_track (mm/kasan/common.c:78) [ 194.105275][ T5755] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 194.105276][ T5755] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 194.105277][ T5755] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 194.105278][ T5755] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 194.105280][ T5755] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 194.105282][ T5755] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 194.105284][ T5755] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 194.105286][ T5755] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 194.105288][ T5755] ? ____sys_sendmsg (net/socket.c:2713) [ 194.105290][ T5755] ? ___sys_sendmsg (net/socket.c:2767) [ 194.105291][ T5755] ? __sys_sendmsg (net/socket.c:2799) [ 194.105293][ T5755] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 194.105295][ T5755] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 194.105298][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105299][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105301][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105302][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105303][ T5755] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 194.105304][ T5755] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 194.105306][ T5755] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 194.105307][ T5755] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 194.105308][ T5755] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 194.105310][ T5755] ? nla_get_range_signed (lib/nlattr.c:270) [ 194.105313][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105314][ T5755] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 194.105317][ T5755] rtnl_newlink (net/core/rtnetlink.c:4215) [ 194.105319][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105320][ T5755] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 194.105321][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105323][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105324][ T5755] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 194.105326][ T5755] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 194.105328][ T5755] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 194.105329][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105330][ T5755] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 194.105334][ T5755] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 194.105336][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105337][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105339][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105340][ T5755] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 194.105341][ T5755] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 194.105343][ T5755] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 194.105344][ T5755] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 194.105346][ T5755] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 194.105348][ T5755] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 194.105350][ T5755] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 194.105351][ T5755] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.105353][ T5755] ? netlink_ack (./include/linux/skbuff.h:2718) [ 194.105354][ T5755] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 194.105357][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105359][ T5755] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.105361][ T5755] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 194.105363][ T5755] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 194.105365][ T5755] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 194.105367][ T5755] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 194.105369][ T5755] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 194.105371][ T5755] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 194.105372][ T5755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.105374][ T5755] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 194.105377][ T5755] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 194.105379][ T5755] ____sys_sendmsg (net/socket.c:2713) [ 194.105381][ T5755] ? copy_msghdr_from_user (net/socket.c:2650) [ 194.105382][ T5755] ? sock_write_iter (net/socket.c:1269) [ 194.105384][ T5755] ? move_addr_to_kernel (net/socket.c:258) [ 194.105386][ T5755] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 194.105388][ T5755] ___sys_sendmsg (net/socket.c:2767) [ 194.105390][ T5755] ? copy_msghdr_from_user (net/socket.c:2619) [ 194.105395][ T5755] __sys_sendmsg (net/socket.c:2799) [ 194.105397][ T5755] ? __sys_sendmsg_sock (net/socket.c:2780) [ 194.105400][ T5755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.105401][ T5755] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 194.105403][ T5755] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 194.105405][ T5755] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 194.105407][ T5755] RIP: 0033:0x7f6eb41e854e [ 194.105409][ T5755] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 194.105411][ T5755] RSP: 002b:00007ffe6fea6ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 194.105414][ T5755] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6eb41e854e [ 194.105415][ T5755] RDX: 0000000000000000 RSI: 00007ffe6fea6b70 RDI: 0000000000000005 [ 194.105416][ T5755] RBP: 00007ffe6fea6ad0 R08: 0000000000000000 R09: 0000000000000000 [ 194.105417][ T5755] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916839 [ 194.105418][ T5755] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6fea7230 | [ 195.209740][ T5829] softirqs last disabled at (0): 0x0 | [ 195.209742][ T5829] Preemption disabled at: | [ 195.209742][ T5829] vprintk_emit (kernel/printk/printk.c:2471) | [ 195.209752][ T5829] Tainted: [W]=WARN [ 195.209753][ T5829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 195.209755][ T5829] Call Trace: [ 195.209756][ T5829] [ 195.209758][ T5829] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 195.209763][ T5829] ? vprintk_emit (kernel/printk/printk.c:2471) [ 195.209765][ T5829] __might_resched.cold (kernel/sched/core.c:9234) [ 195.209769][ T5829] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 195.209771][ T5829] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 195.209774][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209777][ T5829] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 195.209780][ T5829] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 195.209783][ T5829] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 195.209788][ T5829] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 195.209790][ T5829] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 195.209792][ T5829] put_chars (drivers/char/virtio_console.c:1176) [ 195.209794][ T5829] ? __send_to_port (drivers/char/virtio_console.c:654) [ 195.209796][ T5829] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 195.209799][ T5829] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 195.209803][ T5829] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 195.209805][ T5829] ? vsnprintf (lib/vsprintf.c:2900) [ 195.209808][ T5829] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 195.209810][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209811][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209813][ T5829] console_emit_next_record (kernel/printk/printk.c:3183) [ 195.209816][ T5829] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 195.209818][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209819][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209820][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209821][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209823][ T5829] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 195.209825][ T5829] console_flush_one_record (kernel/printk/printk.c:3268) [ 195.209828][ T5829] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 195.209830][ T5829] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 195.209832][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209834][ T5829] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 195.209836][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209837][ T5829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 195.209840][ T5829] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 195.209842][ T5829] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 195.209843][ T5829] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 195.209846][ T5829] ? vprintk_emit (kernel/printk/printk.c:2478) [ 195.209847][ T5829] vprintk_emit (kernel/printk/printk.c:2479) [ 195.209849][ T5829] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 195.209850][ T5829] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 195.209851][ T5829] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 195.209855][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209856][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209858][ T5829] _printk (kernel/printk/printk.c:2504) [ 195.209861][ T5829] ? snapshot_read.cold (user.c:?) [ 195.209863][ T5829] ? br_multicast_flood (??:?) [ 195.209866][ T5829] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 195.209869][ T5829] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 195.209870][ T5829] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 195.209872][ T5829] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 195.209875][ T5829] br_init_port (net/bridge/br_stp_if.c:39) [ 195.209877][ T5829] new_nbp (net/bridge/br_if.c:449) [ 195.209879][ T5829] br_add_if (net/bridge/br_if.c:592) [ 195.209881][ T5829] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 195.209885][ T5829] do_set_master (net/core/rtnetlink.c:3071) [ 195.209887][ T5829] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 195.209889][ T5829] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 195.209890][ T5829] ? __dev_get_by_name (net/core/dev.c:905) [ 195.209892][ T5829] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 195.209896][ T5829] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 195.209898][ T5829] rtnl_newlink (net/core/rtnetlink.c:4215) [ 195.209901][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209902][ T5829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 195.209903][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209904][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209906][ T5829] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 195.209908][ T5829] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 195.209910][ T5829] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 195.209913][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209914][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209915][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209916][ T5829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 195.209918][ T5829] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 195.209920][ T5829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 195.209921][ T5829] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 195.209922][ T5829] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 195.209926][ T5829] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 195.209929][ T5829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 195.209931][ T5829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 195.209932][ T5829] ? netlink_ack (./include/linux/skbuff.h:2718) [ 195.209934][ T5829] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 195.209937][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209938][ T5829] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 195.209940][ T5829] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 195.209942][ T5829] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 195.209944][ T5829] ? next_uptodate_folio (mm/filemap.c:3747) [ 195.209948][ T5829] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 195.209950][ T5829] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 195.209952][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209953][ T5829] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 195.209957][ T5829] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 195.209960][ T5829] ____sys_sendmsg (net/socket.c:2713) [ 195.209961][ T5829] ? copy_msghdr_from_user (net/socket.c:2650) [ 195.209963][ T5829] ? sock_write_iter (net/socket.c:1269) [ 195.209965][ T5829] ? move_addr_to_kernel (net/socket.c:258) [ 195.209967][ T5829] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 195.209969][ T5829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 195.209971][ T5829] ___sys_sendmsg (net/socket.c:2767) [ 195.209973][ T5829] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 195.209975][ T5829] ? copy_msghdr_from_user (net/socket.c:2619) [ 195.209976][ T5829] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 195.209981][ T5829] __sys_sendmsg (net/socket.c:2799) [ 195.209984][ T5829] ? __sys_sendmsg_sock (net/socket.c:2780) [ 195.209986][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209987][ T5829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 195.209989][ T5829] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 195.209992][ T5829] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 195.209993][ T5829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 195.209995][ T5829] RIP: 0033:0x7f4b4460a54e [ 195.209997][ T5829] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 195.209999][ T5829] RSP: 002b:00007ffc3fe554f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 195.210003][ T5829] RAX: ffffffffffffffda RBX: 00007ffc3fe55cb8 RCX: 00007f4b4460a54e [ 195.210004][ T5829] RDX: 0000000000000000 RSI: 00007ffc3fe555a0 RDI: 0000000000000005 [ 195.210006][ T5829] RBP: 00007ffc3fe55500 R08: 0000000000000000 R09: 0000000000000000 [ 195.210006][ T5829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91683a [ 195.210007][ T5829] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3fe55c70 | [ 196.402632][ T5888] softirqs last disabled at (0): 0x0 | [ 196.402634][ T5888] Preemption disabled at: | [ 196.402635][ T5888] vprintk_emit (kernel/printk/printk.c:2471) | [ 196.402645][ T5888] Tainted: [W]=WARN [ 196.402646][ T5888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 196.402648][ T5888] Call Trace: [ 196.402649][ T5888] [ 196.402650][ T5888] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 196.402656][ T5888] ? vprintk_emit (kernel/printk/printk.c:2471) [ 196.402657][ T5888] __might_resched.cold (kernel/sched/core.c:9234) [ 196.402661][ T5888] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 196.402663][ T5888] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 196.402667][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402669][ T5888] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 196.402672][ T5888] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 196.402675][ T5888] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 196.402681][ T5888] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 196.402682][ T5888] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 196.402685][ T5888] put_chars (drivers/char/virtio_console.c:1176) [ 196.402687][ T5888] ? __send_to_port (drivers/char/virtio_console.c:654) [ 196.402688][ T5888] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 196.402691][ T5888] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 196.402696][ T5888] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 196.402697][ T5888] ? vsnprintf (lib/vsprintf.c:2900) [ 196.402701][ T5888] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 196.402703][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402704][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402705][ T5888] console_emit_next_record (kernel/printk/printk.c:3183) [ 196.402708][ T5888] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 196.402710][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402711][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402712][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402713][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402716][ T5888] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 196.402718][ T5888] console_flush_one_record (kernel/printk/printk.c:3268) [ 196.402720][ T5888] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 196.402723][ T5888] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 196.402725][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402726][ T5888] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 196.402728][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402729][ T5888] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 196.402730][ T5888] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 196.402732][ T5888] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 196.402733][ T5888] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 196.402735][ T5888] ? vprintk_emit (kernel/printk/printk.c:2478) [ 196.402737][ T5888] vprintk_emit (kernel/printk/printk.c:2479) [ 196.402738][ T5888] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 196.402740][ T5888] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 196.402741][ T5888] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 196.402744][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402746][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402747][ T5888] _printk (kernel/printk/printk.c:2504) [ 196.402750][ T5888] ? snapshot_read.cold (user.c:?) [ 196.402752][ T5888] ? br_multicast_flood (??:?) [ 196.402755][ T5888] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 196.402758][ T5888] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 196.402759][ T5888] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 196.402761][ T5888] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 196.402764][ T5888] br_init_port (net/bridge/br_stp_if.c:39) [ 196.402766][ T5888] new_nbp (net/bridge/br_if.c:449) [ 196.402768][ T5888] br_add_if (net/bridge/br_if.c:592) [ 196.402770][ T5888] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 196.402774][ T5888] do_set_master (net/core/rtnetlink.c:3071) [ 196.402776][ T5888] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 196.402777][ T5888] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 196.402779][ T5888] ? __dev_get_by_name (net/core/dev.c:905) [ 196.402780][ T5888] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 196.402784][ T5888] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 196.402787][ T5888] rtnl_newlink (net/core/rtnetlink.c:4215) [ 196.402789][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402790][ T5888] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 196.402791][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402793][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402794][ T5888] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 196.402797][ T5888] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 196.402799][ T5888] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 196.402801][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402802][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402804][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402805][ T5888] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 196.402806][ T5888] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 196.402808][ T5888] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 196.402809][ T5888] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 196.402811][ T5888] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 196.402815][ T5888] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 196.402818][ T5888] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 196.402819][ T5888] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 196.402821][ T5888] ? netlink_ack (./include/linux/skbuff.h:2718) [ 196.402822][ T5888] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 196.402825][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402826][ T5888] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 196.402828][ T5888] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 196.402831][ T5888] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 196.402833][ T5888] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 196.402835][ T5888] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 196.402840][ T5888] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 196.402842][ T5888] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 196.402844][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402846][ T5888] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 196.402849][ T5888] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 196.402852][ T5888] ____sys_sendmsg (net/socket.c:2713) [ 196.402854][ T5888] ? copy_msghdr_from_user (net/socket.c:2650) [ 196.402856][ T5888] ? sock_write_iter (net/socket.c:1269) [ 196.402857][ T5888] ? move_addr_to_kernel (net/socket.c:258) [ 196.402859][ T5888] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 196.402862][ T5888] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 196.402864][ T5888] ___sys_sendmsg (net/socket.c:2767) [ 196.402865][ T5888] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 196.402867][ T5888] ? copy_msghdr_from_user (net/socket.c:2619) [ 196.402869][ T5888] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 196.402873][ T5888] __sys_sendmsg (net/socket.c:2799) [ 196.402875][ T5888] ? __sys_sendmsg_sock (net/socket.c:2780) [ 196.402878][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402879][ T5888] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 196.402880][ T5888] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 196.402883][ T5888] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 196.402885][ T5888] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 196.402887][ T5888] RIP: 0033:0x7f44aa2ef54e [ 196.402889][ T5888] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 196.402891][ T5888] RSP: 002b:00007ffdf5c41950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 196.402894][ T5888] RAX: ffffffffffffffda RBX: 00007ffdf5c42118 RCX: 00007f44aa2ef54e [ 196.402896][ T5888] RDX: 0000000000000000 RSI: 00007ffdf5c41a00 RDI: 0000000000000005 [ 196.402897][ T5888] RBP: 00007ffdf5c41960 R08: 0000000000000000 R09: 0000000000000000 [ 196.402897][ T5888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91683b [ 196.402898][ T5888] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf5c420d0 | [ 288.190622][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 288.190624][ T12] Preemption disabled at: | [ 288.190625][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 288.190635][ T12] Tainted: [W]=WARN [ 288.190636][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 288.190644][ T12] Workqueue: netns cleanup_net [ 288.190650][ T12] Call Trace: [ 288.190652][ T12] [ 288.190653][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 288.190659][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 288.190661][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 288.190664][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 288.190666][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 288.190669][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190672][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 288.190675][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 288.190678][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 288.190682][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 288.190684][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 288.190687][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 288.190688][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 288.190690][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 288.190693][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 288.190697][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 288.190699][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 288.190701][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 288.190703][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190704][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190706][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 288.190708][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 288.190711][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190712][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190713][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190714][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 288.190716][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 288.190718][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 288.190720][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 288.190723][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 288.190725][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 288.190726][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 288.190728][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190729][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 288.190731][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 288.190732][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 288.190734][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 288.190736][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 288.190737][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 288.190739][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 288.190740][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 288.190741][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 288.190744][ T12] ? kthread (kernel/kthread.c:436) [ 288.190746][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 288.190749][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 288.190752][ T12] _printk (kernel/printk/printk.c:2504) [ 288.190755][ T12] ? snapshot_read.cold (user.c:?) [ 288.190757][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 288.190761][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 288.190763][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 288.190765][ T12] ? netdev_notice (net/core/dev.c:13194) [ 288.190767][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190768][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 288.190770][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 288.190773][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 288.190775][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 288.190776][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 288.190778][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 288.190781][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 288.190785][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 288.190787][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 288.190790][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 288.190792][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 288.190794][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 288.190796][ T12] cleanup_net (net/core/net_namespace.c:706) [ 288.190798][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 288.190800][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 288.190803][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 288.190804][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 288.190806][ T12] process_one_work (kernel/workqueue.c:3387) [ 288.190809][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 288.190811][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 288.190813][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 288.190815][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 288.190818][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 288.190820][ T12] kthread (kernel/kthread.c:436) [ 288.190822][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 288.190824][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 288.190825][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 288.190827][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 288.190829][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 288.190832][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 288.190834][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 290.388843][ T6560] softirqs last disabled at (0): 0x0 | [ 290.388844][ T6560] Preemption disabled at: | [ 290.388845][ T6560] vprintk_emit (kernel/printk/printk.c:2471) | [ 290.388855][ T6560] Tainted: [W]=WARN [ 290.388857][ T6560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 290.388858][ T6560] Call Trace: [ 290.388860][ T6560] [ 290.388861][ T6560] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 290.388867][ T6560] ? vprintk_emit (kernel/printk/printk.c:2471) [ 290.388868][ T6560] __might_resched.cold (kernel/sched/core.c:9234) [ 290.388872][ T6560] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 290.388875][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388878][ T6560] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 290.388881][ T6560] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 290.388884][ T6560] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 290.388889][ T6560] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 290.388891][ T6560] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 290.388893][ T6560] put_chars (drivers/char/virtio_console.c:1176) [ 290.388895][ T6560] ? __send_to_port (drivers/char/virtio_console.c:654) [ 290.388896][ T6560] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 290.388898][ T6560] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 290.388900][ T6560] ? pointer (lib/vsprintf.c:2577) [ 290.388904][ T6560] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 290.388908][ T6560] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 290.388910][ T6560] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 290.388912][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.388914][ T6560] console_emit_next_record (kernel/printk/printk.c:3183) [ 290.388917][ T6560] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 290.388919][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388920][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388921][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388922][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.388924][ T6560] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 290.388926][ T6560] console_flush_one_record (kernel/printk/printk.c:3268) [ 290.388929][ T6560] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 290.388931][ T6560] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 290.388933][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.388935][ T6560] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 290.388936][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388937][ T6560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 290.388939][ T6560] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 290.388940][ T6560] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 290.388942][ T6560] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 290.388943][ T6560] ? vprintk_emit (kernel/printk/printk.c:2478) [ 290.388945][ T6560] vprintk_emit (kernel/printk/printk.c:2479) [ 290.388947][ T6560] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 290.388948][ T6560] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 290.388950][ T6560] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 290.388953][ T6560] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 290.388956][ T6560] _printk (kernel/printk/printk.c:2504) [ 290.388959][ T6560] ? snapshot_read.cold (user.c:?) [ 290.388960][ T6560] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 290.388963][ T6560] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 290.388966][ T6560] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 290.388968][ T6560] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 290.388970][ T6560] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 290.388973][ T6560] ? netdev_notice (net/core/dev.c:13194) [ 290.388975][ T6560] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 290.388976][ T6560] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 290.388979][ T6560] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 290.388981][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388981][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.388983][ T6560] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 290.388984][ T6560] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 290.388986][ T6560] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 290.388987][ T6560] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 290.388988][ T6560] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 290.388990][ T6560] ? register_netdev (net/core/dev.c:11618) [ 290.388991][ T6560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 290.388993][ T6560] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 290.388996][ T6560] ? __kernel_text_address (kernel/extable.c:79) [ 290.388998][ T6560] ? write_profile (profile.c:?) [ 290.389001][ T6560] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 290.389005][ T6560] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 290.389007][ T6560] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 290.389008][ T6560] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 290.389009][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389011][ T6560] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 290.389014][ T6560] ? kasan_save_stack (mm/kasan/common.c:58) [ 290.389016][ T6560] ? kasan_save_stack (mm/kasan/common.c:57) [ 290.389017][ T6560] ? kasan_save_track (mm/kasan/common.c:78) [ 290.389018][ T6560] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 290.389019][ T6560] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 290.389020][ T6560] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 290.389021][ T6560] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 290.389023][ T6560] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 290.389026][ T6560] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 290.389027][ T6560] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 290.389029][ T6560] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 290.389031][ T6560] ? ____sys_sendmsg (net/socket.c:2713) [ 290.389033][ T6560] ? ___sys_sendmsg (net/socket.c:2767) [ 290.389034][ T6560] ? __sys_sendmsg (net/socket.c:2799) [ 290.389036][ T6560] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 290.389038][ T6560] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 290.389040][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389042][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.389043][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389044][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389045][ T6560] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 290.389047][ T6560] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 290.389048][ T6560] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 290.389049][ T6560] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 290.389051][ T6560] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 290.389052][ T6560] ? nla_get_range_signed (lib/nlattr.c:270) [ 290.389055][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389056][ T6560] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 290.389058][ T6560] rtnl_newlink (net/core/rtnetlink.c:4215) [ 290.389060][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389062][ T6560] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 290.389063][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.389064][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389066][ T6560] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 290.389068][ T6560] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 290.389069][ T6560] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 290.389071][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389072][ T6560] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 290.389075][ T6560] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 290.389078][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389079][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.389080][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389081][ T6560] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 290.389083][ T6560] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 290.389084][ T6560] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 290.389086][ T6560] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 290.389087][ T6560] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 290.389090][ T6560] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 290.389091][ T6560] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 290.389093][ T6560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 290.389094][ T6560] ? netlink_ack (./include/linux/skbuff.h:2718) [ 290.389096][ T6560] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 290.389099][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389100][ T6560] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 290.389102][ T6560] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 290.389104][ T6560] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 290.389106][ T6560] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 290.389108][ T6560] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 290.389110][ T6560] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 290.389112][ T6560] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 290.389113][ T6560] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 290.389115][ T6560] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 290.389118][ T6560] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 290.389120][ T6560] ____sys_sendmsg (net/socket.c:2713) [ 290.389122][ T6560] ? copy_msghdr_from_user (net/socket.c:2650) [ 290.389123][ T6560] ? sock_write_iter (net/socket.c:1269) [ 290.389125][ T6560] ? move_addr_to_kernel (net/socket.c:258) [ 290.389126][ T6560] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 290.389129][ T6560] ___sys_sendmsg (net/socket.c:2767) [ 290.389131][ T6560] ? copy_msghdr_from_user (net/socket.c:2619) [ 290.389136][ T6560] __sys_sendmsg (net/socket.c:2799) [ 290.389138][ T6560] ? __sys_sendmsg_sock (net/socket.c:2780) [ 290.389141][ T6560] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 290.389142][ T6560] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 290.389144][ T6560] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 290.389146][ T6560] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 290.389147][ T6560] RIP: 0033:0x7facd1b5554e [ 290.389149][ T6560] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 290.389151][ T6560] RSP: 002b:00007ffdfe1c2110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 290.389155][ T6560] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007facd1b5554e [ 290.389156][ T6560] RDX: 0000000000000000 RSI: 00007ffdfe1c21c0 RDI: 0000000000000005 [ 290.389157][ T6560] RBP: 00007ffdfe1c2120 R08: 0000000000000000 R09: 0000000000000000 [ 290.389158][ T6560] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916899 [ 290.389159][ T6560] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfe1c2880 | [ 291.515497][ T6635] softirqs last disabled at (0): 0x0 | [ 291.515499][ T6635] Preemption disabled at: | [ 291.515499][ T6635] vprintk_emit (kernel/printk/printk.c:2471) | [ 291.515510][ T6635] Tainted: [W]=WARN [ 291.515511][ T6635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 291.515513][ T6635] Call Trace: [ 291.515514][ T6635] [ 291.515516][ T6635] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 291.515521][ T6635] ? vprintk_emit (kernel/printk/printk.c:2471) [ 291.515523][ T6635] __might_resched.cold (kernel/sched/core.c:9234) [ 291.515526][ T6635] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 291.515529][ T6635] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 291.515532][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515535][ T6635] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 291.515538][ T6635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.515541][ T6635] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 291.515546][ T6635] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 291.515547][ T6635] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 291.515550][ T6635] put_chars (drivers/char/virtio_console.c:1176) [ 291.515552][ T6635] ? __send_to_port (drivers/char/virtio_console.c:654) [ 291.515554][ T6635] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 291.515556][ T6635] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 291.515561][ T6635] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 291.515563][ T6635] ? vsnprintf (lib/vsprintf.c:2900) [ 291.515566][ T6635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.515568][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515569][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515570][ T6635] console_emit_next_record (kernel/printk/printk.c:3183) [ 291.515573][ T6635] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 291.515575][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515576][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515577][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515579][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515581][ T6635] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 291.515583][ T6635] console_flush_one_record (kernel/printk/printk.c:3268) [ 291.515585][ T6635] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 291.515588][ T6635] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 291.515589][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515591][ T6635] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 291.515593][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515594][ T6635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.515595][ T6635] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 291.515597][ T6635] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 291.515598][ T6635] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 291.515600][ T6635] ? vprintk_emit (kernel/printk/printk.c:2478) [ 291.515602][ T6635] vprintk_emit (kernel/printk/printk.c:2479) [ 291.515603][ T6635] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 291.515604][ T6635] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 291.515606][ T6635] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 291.515609][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515611][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515612][ T6635] _printk (kernel/printk/printk.c:2504) [ 291.515615][ T6635] ? snapshot_read.cold (user.c:?) [ 291.515617][ T6635] ? br_multicast_flood (??:?) [ 291.515621][ T6635] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 291.515624][ T6635] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 291.515625][ T6635] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 291.515627][ T6635] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 291.515630][ T6635] br_init_port (net/bridge/br_stp_if.c:39) [ 291.515631][ T6635] new_nbp (net/bridge/br_if.c:449) [ 291.515633][ T6635] br_add_if (net/bridge/br_if.c:592) [ 291.515635][ T6635] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 291.515639][ T6635] do_set_master (net/core/rtnetlink.c:3071) [ 291.515641][ T6635] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 291.515647][ T6635] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 291.515648][ T6635] ? __dev_get_by_name (net/core/dev.c:905) [ 291.515650][ T6635] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 291.515653][ T6635] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 291.515656][ T6635] rtnl_newlink (net/core/rtnetlink.c:4215) [ 291.515658][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515659][ T6635] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 291.515660][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515662][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515663][ T6635] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 291.515666][ T6635] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 291.515668][ T6635] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 291.515670][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515672][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515673][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515674][ T6635] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 291.515676][ T6635] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 291.515677][ T6635] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 291.515679][ T6635] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 291.515680][ T6635] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 291.515684][ T6635] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 291.515687][ T6635] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 291.515688][ T6635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.515690][ T6635] ? netlink_ack (./include/linux/skbuff.h:2718) [ 291.515691][ T6635] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 291.515694][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515695][ T6635] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 291.515698][ T6635] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 291.515700][ T6635] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 291.515702][ T6635] ? next_uptodate_folio (mm/filemap.c:3747) [ 291.515705][ T6635] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 291.515707][ T6635] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 291.515709][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515711][ T6635] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 291.515714][ T6635] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 291.515717][ T6635] ____sys_sendmsg (net/socket.c:2713) [ 291.515719][ T6635] ? copy_msghdr_from_user (net/socket.c:2650) [ 291.515721][ T6635] ? sock_write_iter (net/socket.c:1269) [ 291.515722][ T6635] ? move_addr_to_kernel (net/socket.c:258) [ 291.515725][ T6635] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 291.515727][ T6635] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 291.515729][ T6635] ___sys_sendmsg (net/socket.c:2767) [ 291.515731][ T6635] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 291.515732][ T6635] ? copy_msghdr_from_user (net/socket.c:2619) [ 291.515734][ T6635] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 291.515738][ T6635] __sys_sendmsg (net/socket.c:2799) [ 291.515740][ T6635] ? __sys_sendmsg_sock (net/socket.c:2780) [ 291.515743][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515744][ T6635] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 291.515746][ T6635] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 291.515748][ T6635] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 291.515750][ T6635] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 291.515752][ T6635] RIP: 0033:0x7f1335edc54e [ 291.515754][ T6635] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 291.515756][ T6635] RSP: 002b:00007ffde357fd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 291.515760][ T6635] RAX: ffffffffffffffda RBX: 00007ffde3580518 RCX: 00007f1335edc54e [ 291.515761][ T6635] RDX: 0000000000000000 RSI: 00007ffde357fe00 RDI: 0000000000000005 [ 291.515762][ T6635] RBP: 00007ffde357fd60 R08: 0000000000000000 R09: 0000000000000000 [ 291.515763][ T6635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91689a [ 291.515764][ T6635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde35804d0 | [ 292.671125][ T6694] softirqs last disabled at (0): 0x0 | [ 292.671127][ T6694] Preemption disabled at: | [ 292.671127][ T6694] vprintk_emit (kernel/printk/printk.c:2471) | [ 292.671138][ T6694] Tainted: [W]=WARN [ 292.671139][ T6694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 292.671141][ T6694] Call Trace: [ 292.671143][ T6694] [ 292.671144][ T6694] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 292.671150][ T6694] ? vprintk_emit (kernel/printk/printk.c:2471) [ 292.671151][ T6694] __might_resched.cold (kernel/sched/core.c:9234) [ 292.671155][ T6694] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 292.671157][ T6694] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 292.671161][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671163][ T6694] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 292.671166][ T6694] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 292.671169][ T6694] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 292.671174][ T6694] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 292.671176][ T6694] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 292.671179][ T6694] put_chars (drivers/char/virtio_console.c:1176) [ 292.671180][ T6694] ? __send_to_port (drivers/char/virtio_console.c:654) [ 292.671182][ T6694] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 292.671185][ T6694] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 292.671189][ T6694] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 292.671191][ T6694] ? vsnprintf (lib/vsprintf.c:2900) [ 292.671195][ T6694] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 292.671196][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671197][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671199][ T6694] console_emit_next_record (kernel/printk/printk.c:3183) [ 292.671202][ T6694] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 292.671204][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671205][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671206][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671207][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671209][ T6694] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 292.671211][ T6694] console_flush_one_record (kernel/printk/printk.c:3268) [ 292.671214][ T6694] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 292.671216][ T6694] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 292.671218][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671220][ T6694] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 292.671222][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671223][ T6694] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 292.671224][ T6694] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 292.671226][ T6694] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 292.671227][ T6694] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 292.671229][ T6694] ? vprintk_emit (kernel/printk/printk.c:2478) [ 292.671230][ T6694] vprintk_emit (kernel/printk/printk.c:2479) [ 292.671232][ T6694] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 292.671233][ T6694] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 292.671235][ T6694] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 292.671238][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671239][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671241][ T6694] _printk (kernel/printk/printk.c:2504) [ 292.671244][ T6694] ? snapshot_read.cold (user.c:?) [ 292.671246][ T6694] ? br_multicast_flood (??:?) [ 292.671249][ T6694] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 292.671252][ T6694] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 292.671253][ T6694] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 292.671255][ T6694] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 292.671258][ T6694] br_init_port (net/bridge/br_stp_if.c:39) [ 292.671260][ T6694] new_nbp (net/bridge/br_if.c:449) [ 292.671262][ T6694] br_add_if (net/bridge/br_if.c:592) [ 292.671263][ T6694] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 292.671268][ T6694] do_set_master (net/core/rtnetlink.c:3071) [ 292.671270][ T6694] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 292.671271][ T6694] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 292.671273][ T6694] ? __dev_get_by_name (net/core/dev.c:905) [ 292.671274][ T6694] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 292.671278][ T6694] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 292.671281][ T6694] rtnl_newlink (net/core/rtnetlink.c:4215) [ 292.671283][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671284][ T6694] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 292.671285][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671287][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671288][ T6694] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 292.671291][ T6694] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 292.671293][ T6694] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 292.671295][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671296][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671298][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671299][ T6694] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 292.671300][ T6694] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 292.671302][ T6694] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 292.671304][ T6694] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 292.671305][ T6694] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 292.671309][ T6694] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 292.671312][ T6694] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 292.671313][ T6694] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 292.671315][ T6694] ? netlink_ack (./include/linux/skbuff.h:2718) [ 292.671316][ T6694] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 292.671319][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671321][ T6694] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 292.671323][ T6694] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 292.671325][ T6694] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 292.671327][ T6694] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 292.671329][ T6694] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 292.671332][ T6694] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 292.671334][ T6694] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 292.671336][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671338][ T6694] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 292.671341][ T6694] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 292.671344][ T6694] ____sys_sendmsg (net/socket.c:2713) [ 292.671346][ T6694] ? copy_msghdr_from_user (net/socket.c:2650) [ 292.671347][ T6694] ? sock_write_iter (net/socket.c:1269) [ 292.671349][ T6694] ? move_addr_to_kernel (net/socket.c:258) [ 292.671351][ T6694] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 292.671353][ T6694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 292.671355][ T6694] ___sys_sendmsg (net/socket.c:2767) [ 292.671357][ T6694] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 292.671359][ T6694] ? copy_msghdr_from_user (net/socket.c:2619) [ 292.671360][ T6694] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 292.671365][ T6694] __sys_sendmsg (net/socket.c:2799) [ 292.671367][ T6694] ? __sys_sendmsg_sock (net/socket.c:2780) [ 292.671370][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671371][ T6694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 292.671372][ T6694] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 292.671375][ T6694] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 292.671377][ T6694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 292.671379][ T6694] RIP: 0033:0x7fa97d76e54e [ 292.671380][ T6694] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 292.671382][ T6694] RSP: 002b:00007ffe25880de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 292.671386][ T6694] RAX: ffffffffffffffda RBX: 00007ffe258815a8 RCX: 00007fa97d76e54e [ 292.671387][ T6694] RDX: 0000000000000000 RSI: 00007ffe25880e90 RDI: 0000000000000005 [ 292.671388][ T6694] RBP: 00007ffe25880df0 R08: 0000000000000000 R09: 0000000000000000 [ 292.671389][ T6694] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91689c [ 292.671390][ T6694] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe25881560 | [ 306.140460][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 306.140462][ T12] Preemption disabled at: | [ 306.140463][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 306.140473][ T12] Tainted: [W]=WARN [ 306.140474][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 306.140476][ T12] Workqueue: netns cleanup_net [ 306.140482][ T12] Call Trace: [ 306.140483][ T12] [ 306.140485][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 306.140490][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 306.140492][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 306.140495][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 306.140498][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 306.140501][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140503][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 306.140506][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.140509][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 306.140514][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 306.140516][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 306.140518][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 306.140520][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 306.140521][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 306.140524][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 306.140529][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 306.140530][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 306.140533][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.140535][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140536][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140537][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 306.140540][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 306.140542][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140543][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140544][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140545][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.140548][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 306.140549][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 306.140552][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 306.140554][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 306.140556][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.140558][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 306.140560][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140561][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 306.140562][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 306.140564][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 306.140565][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 306.140567][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 306.140569][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 306.140570][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 306.140572][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 306.140573][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 306.140576][ T12] ? kthread (kernel/kthread.c:436) [ 306.140578][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 306.140581][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 306.140583][ T12] _printk (kernel/printk/printk.c:2504) [ 306.140586][ T12] ? snapshot_read.cold (user.c:?) [ 306.140589][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 306.140592][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 306.140594][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 306.140596][ T12] ? netdev_notice (net/core/dev.c:13194) [ 306.140599][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140600][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 306.140601][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 306.140605][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 306.140606][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 306.140607][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 306.140610][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 306.140612][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 306.140616][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 306.140618][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 306.140621][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 306.140623][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 306.140625][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 306.140627][ T12] cleanup_net (net/core/net_namespace.c:706) [ 306.140629][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 306.140631][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.140633][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.140635][ T12] process_one_work (kernel/workqueue.c:3387) [ 306.140637][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 306.140640][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.140642][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 306.140645][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 306.140647][ T12] kthread (kernel/kthread.c:436) [ 306.140649][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 306.140650][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 306.140653][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 306.140654][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 306.140656][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 306.140659][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 306.140661][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 307.873908][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 307.873911][ T12] Preemption disabled at: | [ 307.873911][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 307.873922][ T12] Tainted: [W]=WARN [ 307.873923][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 307.873925][ T12] Workqueue: netns cleanup_net [ 307.873931][ T12] Call Trace: [ 307.873932][ T12] [ 307.873934][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 307.873939][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 307.873941][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 307.873944][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 307.873947][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 307.873950][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.873953][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 307.873955][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 307.873958][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 307.873963][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 307.873965][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 307.873967][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 307.873969][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 307.873971][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 307.873973][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 307.873978][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 307.873980][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 307.873982][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 307.873984][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.873985][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.873987][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 307.873989][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 307.873992][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.873993][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.873994][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.873995][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 307.873997][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 307.873999][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 307.874001][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 307.874004][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 307.874006][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 307.874008][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 307.874009][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.874010][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 307.874012][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 307.874014][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 307.874015][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 307.874017][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 307.874018][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 307.874020][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 307.874022][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 307.874023][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 307.874026][ T12] ? kthread (kernel/kthread.c:436) [ 307.874028][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 307.874031][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 307.874034][ T12] _printk (kernel/printk/printk.c:2504) [ 307.874037][ T12] ? snapshot_read.cold (user.c:?) [ 307.874039][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 307.874043][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 307.874045][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 307.874047][ T12] ? netdev_notice (net/core/dev.c:13194) [ 307.874049][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.874050][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 307.874052][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 307.874055][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 307.874056][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 307.874058][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 307.874060][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 307.874062][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 307.874066][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 307.874069][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 307.874071][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 307.874073][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 307.874075][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 307.874078][ T12] cleanup_net (net/core/net_namespace.c:706) [ 307.874080][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 307.874081][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 307.874084][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 307.874086][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 307.874087][ T12] process_one_work (kernel/workqueue.c:3387) [ 307.874090][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 307.874093][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 307.874095][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 307.874098][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 307.874100][ T12] kthread (kernel/kthread.c:436) [ 307.874102][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 307.874104][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 307.874106][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 307.874107][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 307.874109][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 307.874112][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 307.874114][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 309.305939][ T7134] softirqs last disabled at (0): 0x0 | [ 309.305941][ T7134] Preemption disabled at: | [ 309.305942][ T7134] vprintk_emit (kernel/printk/printk.c:2471) | [ 309.305951][ T7134] Tainted: [W]=WARN [ 309.305952][ T7134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 309.305954][ T7134] Call Trace: [ 309.305955][ T7134] [ 309.305957][ T7134] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 309.305962][ T7134] ? vprintk_emit (kernel/printk/printk.c:2471) [ 309.305964][ T7134] __might_resched.cold (kernel/sched/core.c:9234) [ 309.305968][ T7134] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 309.305970][ T7134] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 309.305973][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.305976][ T7134] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 309.305979][ T7134] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 309.305982][ T7134] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 309.305987][ T7134] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 309.305988][ T7134] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 309.305991][ T7134] put_chars (drivers/char/virtio_console.c:1176) [ 309.305993][ T7134] ? __send_to_port (drivers/char/virtio_console.c:654) [ 309.305994][ T7134] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 309.305997][ T7134] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 309.306002][ T7134] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 309.306003][ T7134] ? vsnprintf (lib/vsprintf.c:2900) [ 309.306007][ T7134] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 309.306009][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306010][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306012][ T7134] console_emit_next_record (kernel/printk/printk.c:3183) [ 309.306014][ T7134] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 309.306017][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306018][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306019][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306020][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306022][ T7134] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 309.306024][ T7134] console_flush_one_record (kernel/printk/printk.c:3268) [ 309.306027][ T7134] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 309.306029][ T7134] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 309.306031][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306033][ T7134] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 309.306034][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306035][ T7134] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 309.306037][ T7134] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 309.306038][ T7134] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 309.306040][ T7134] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 309.306042][ T7134] ? vprintk_emit (kernel/printk/printk.c:2478) [ 309.306043][ T7134] vprintk_emit (kernel/printk/printk.c:2479) [ 309.306045][ T7134] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 309.306046][ T7134] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 309.306048][ T7134] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 309.306051][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306052][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306054][ T7134] _printk (kernel/printk/printk.c:2504) [ 309.306057][ T7134] ? snapshot_read.cold (user.c:?) [ 309.306059][ T7134] ? br_multicast_flood (??:?) [ 309.306062][ T7134] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 309.306065][ T7134] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 309.306066][ T7134] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 309.306068][ T7134] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 309.306071][ T7134] br_init_port (net/bridge/br_stp_if.c:39) [ 309.306072][ T7134] new_nbp (net/bridge/br_if.c:449) [ 309.306075][ T7134] br_add_if (net/bridge/br_if.c:592) [ 309.306076][ T7134] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 309.306081][ T7134] do_set_master (net/core/rtnetlink.c:3071) [ 309.306082][ T7134] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 309.306084][ T7134] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 309.306085][ T7134] ? __dev_get_by_name (net/core/dev.c:905) [ 309.306087][ T7134] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 309.306091][ T7134] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 309.306094][ T7134] rtnl_newlink (net/core/rtnetlink.c:4215) [ 309.306096][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306097][ T7134] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 309.306098][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306100][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306101][ T7134] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 309.306104][ T7134] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 309.306106][ T7134] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 309.306108][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306109][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306111][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306112][ T7134] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 309.306113][ T7134] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 309.306115][ T7134] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 309.306116][ T7134] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 309.306118][ T7134] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 309.306122][ T7134] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 309.306125][ T7134] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 309.306126][ T7134] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 309.306128][ T7134] ? netlink_ack (./include/linux/skbuff.h:2718) [ 309.306129][ T7134] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 309.306133][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306134][ T7134] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 309.306136][ T7134] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 309.306138][ T7134] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 309.306140][ T7134] ? next_uptodate_folio (mm/filemap.c:3747) [ 309.306143][ T7134] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 309.306145][ T7134] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 309.306147][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306149][ T7134] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 309.306152][ T7134] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 309.306155][ T7134] ____sys_sendmsg (net/socket.c:2713) [ 309.306156][ T7134] ? copy_msghdr_from_user (net/socket.c:2650) [ 309.306158][ T7134] ? sock_write_iter (net/socket.c:1269) [ 309.306160][ T7134] ? move_addr_to_kernel (net/socket.c:258) [ 309.306162][ T7134] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 309.306164][ T7134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.306166][ T7134] ___sys_sendmsg (net/socket.c:2767) [ 309.306168][ T7134] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 309.306169][ T7134] ? copy_msghdr_from_user (net/socket.c:2619) [ 309.306171][ T7134] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 309.306176][ T7134] __sys_sendmsg (net/socket.c:2799) [ 309.306178][ T7134] ? __sys_sendmsg_sock (net/socket.c:2780) [ 309.306180][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306181][ T7134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.306183][ T7134] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 309.306185][ T7134] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 309.306188][ T7134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 309.306189][ T7134] RIP: 0033:0x7f4a72c8954e [ 309.306191][ T7134] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 309.306193][ T7134] RSP: 002b:00007ffecf322090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 309.306197][ T7134] RAX: ffffffffffffffda RBX: 00007ffecf322858 RCX: 00007f4a72c8954e [ 309.306198][ T7134] RDX: 0000000000000000 RSI: 00007ffecf322140 RDI: 0000000000000005 [ 309.306199][ T7134] RBP: 00007ffecf3220a0 R08: 0000000000000000 R09: 0000000000000000 [ 309.306200][ T7134] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9168ac [ 309.306201][ T7134] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecf322810 | [ 310.431994][ T7200] softirqs last disabled at (0): 0x0 | [ 310.431996][ T7200] Preemption disabled at: | [ 310.431997][ T7200] vprintk_emit (kernel/printk/printk.c:2471) | [ 310.432007][ T7200] Tainted: [W]=WARN [ 310.432008][ T7200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 310.432010][ T7200] Call Trace: [ 310.432012][ T7200] [ 310.432013][ T7200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 310.432019][ T7200] ? vprintk_emit (kernel/printk/printk.c:2471) [ 310.432020][ T7200] __might_resched.cold (kernel/sched/core.c:9234) [ 310.432024][ T7200] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 310.432026][ T7200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 310.432030][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432032][ T7200] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 310.432035][ T7200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 310.432039][ T7200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 310.432044][ T7200] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 310.432045][ T7200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 310.432048][ T7200] put_chars (drivers/char/virtio_console.c:1176) [ 310.432050][ T7200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 310.432052][ T7200] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 310.432054][ T7200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 310.432059][ T7200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 310.432061][ T7200] ? vsnprintf (lib/vsprintf.c:2900) [ 310.432064][ T7200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 310.432065][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432066][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432068][ T7200] console_emit_next_record (kernel/printk/printk.c:3183) [ 310.432071][ T7200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 310.432073][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432074][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432075][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432076][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432079][ T7200] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 310.432081][ T7200] console_flush_one_record (kernel/printk/printk.c:3268) [ 310.432083][ T7200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 310.432086][ T7200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 310.432088][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432089][ T7200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 310.432091][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432092][ T7200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 310.432094][ T7200] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 310.432095][ T7200] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 310.432097][ T7200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 310.432099][ T7200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 310.432100][ T7200] vprintk_emit (kernel/printk/printk.c:2479) [ 310.432102][ T7200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 310.432103][ T7200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 310.432105][ T7200] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 310.432108][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432109][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432111][ T7200] _printk (kernel/printk/printk.c:2504) [ 310.432114][ T7200] ? snapshot_read.cold (user.c:?) [ 310.432116][ T7200] ? br_multicast_flood (??:?) [ 310.432119][ T7200] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 310.432122][ T7200] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 310.432123][ T7200] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 310.432125][ T7200] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 310.432127][ T7200] br_init_port (net/bridge/br_stp_if.c:39) [ 310.432129][ T7200] new_nbp (net/bridge/br_if.c:449) [ 310.432131][ T7200] br_add_if (net/bridge/br_if.c:592) [ 310.432133][ T7200] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 310.432137][ T7200] do_set_master (net/core/rtnetlink.c:3071) [ 310.432139][ T7200] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 310.432141][ T7200] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 310.432142][ T7200] ? __dev_get_by_name (net/core/dev.c:905) [ 310.432144][ T7200] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 310.432148][ T7200] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 310.432150][ T7200] rtnl_newlink (net/core/rtnetlink.c:4215) [ 310.432152][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432153][ T7200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 310.432155][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432156][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432158][ T7200] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 310.432160][ T7200] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 310.432162][ T7200] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 310.432164][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432166][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432167][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432168][ T7200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 310.432170][ T7200] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 310.432171][ T7200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 310.432173][ T7200] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 310.432174][ T7200] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 310.432178][ T7200] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 310.432181][ T7200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 310.432183][ T7200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 310.432184][ T7200] ? netlink_ack (./include/linux/skbuff.h:2718) [ 310.432186][ T7200] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 310.432189][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432190][ T7200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 310.432192][ T7200] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 310.432194][ T7200] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 310.432196][ T7200] ? next_uptodate_folio (mm/filemap.c:3747) [ 310.432200][ T7200] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 310.432202][ T7200] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 310.432204][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432206][ T7200] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 310.432209][ T7200] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 310.432212][ T7200] ____sys_sendmsg (net/socket.c:2713) [ 310.432214][ T7200] ? copy_msghdr_from_user (net/socket.c:2650) [ 310.432216][ T7200] ? sock_write_iter (net/socket.c:1269) [ 310.432217][ T7200] ? move_addr_to_kernel (net/socket.c:258) [ 310.432219][ T7200] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 310.432222][ T7200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 310.432224][ T7200] ___sys_sendmsg (net/socket.c:2767) [ 310.432225][ T7200] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 310.432227][ T7200] ? copy_msghdr_from_user (net/socket.c:2619) [ 310.432228][ T7200] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 310.432233][ T7200] __sys_sendmsg (net/socket.c:2799) [ 310.432235][ T7200] ? __sys_sendmsg_sock (net/socket.c:2780) [ 310.432238][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432239][ T7200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 310.432240][ T7200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 310.432243][ T7200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 310.432245][ T7200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 310.432247][ T7200] RIP: 0033:0x7f1476e9854e [ 310.432249][ T7200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 310.432251][ T7200] RSP: 002b:00007ffd6bfffaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 310.432254][ T7200] RAX: ffffffffffffffda RBX: 00007ffd6c0002b8 RCX: 00007f1476e9854e [ 310.432256][ T7200] RDX: 0000000000000000 RSI: 00007ffd6bfffba0 RDI: 0000000000000005 [ 310.432257][ T7200] RBP: 00007ffd6bfffb00 R08: 0000000000000000 R09: 0000000000000000 [ 310.432258][ T7200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9168ad [ 310.432259][ T7200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6c000270 | [ 399.508350][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 399.508353][ T12] Preemption disabled at: | [ 399.508353][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 399.508363][ T12] Tainted: [W]=WARN [ 399.508364][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 399.508366][ T12] Workqueue: netns cleanup_net [ 399.508372][ T12] Call Trace: [ 399.508374][ T12] [ 399.508376][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 399.508381][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 399.508382][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 399.508386][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 399.508388][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 399.508391][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508394][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 399.508397][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 399.508400][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 399.508405][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 399.508407][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 399.508409][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 399.508411][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 399.508413][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 399.508415][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 399.508420][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 399.508422][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 399.508425][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 399.508426][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508427][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508429][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 399.508432][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 399.508434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508435][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508436][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508437][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 399.508439][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 399.508441][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 399.508444][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 399.508446][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 399.508448][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 399.508450][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 399.508452][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508453][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 399.508454][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 399.508456][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 399.508457][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 399.508459][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 399.508461][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 399.508462][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 399.508464][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 399.508465][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 399.508468][ T12] ? kthread (kernel/kthread.c:436) [ 399.508470][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 399.508473][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 399.508476][ T12] _printk (kernel/printk/printk.c:2504) [ 399.508479][ T12] ? snapshot_read.cold (user.c:?) [ 399.508481][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 399.508484][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 399.508486][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 399.508489][ T12] ? netdev_notice (net/core/dev.c:13194) [ 399.508491][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508492][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 399.508493][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 399.508496][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 399.508498][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 399.508500][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 399.508502][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 399.508504][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 399.508508][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 399.508511][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 399.508513][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 399.508515][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 399.508517][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 399.508520][ T12] cleanup_net (net/core/net_namespace.c:706) [ 399.508522][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 399.508524][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 399.508526][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 399.508527][ T12] process_one_work (kernel/workqueue.c:3387) [ 399.508530][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 399.508533][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 399.508535][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 399.508538][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 399.508540][ T12] kthread (kernel/kthread.c:436) [ 399.508542][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 399.508543][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 399.508545][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 399.508547][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 399.508549][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 399.508552][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 399.508554][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 401.257042][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 401.257044][ T12] Preemption disabled at: | [ 401.257045][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 401.257055][ T12] Tainted: [W]=WARN [ 401.257056][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 401.257058][ T12] Workqueue: netns cleanup_net [ 401.257063][ T12] Call Trace: [ 401.257065][ T12] [ 401.257067][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 401.257072][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 401.257074][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 401.257077][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 401.257079][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 401.257082][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257085][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 401.257088][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 401.257091][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 401.257096][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 401.257098][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 401.257100][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 401.257102][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 401.257104][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 401.257106][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 401.257111][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 401.257113][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 401.257115][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 401.257117][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257118][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257119][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 401.257122][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 401.257124][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257125][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 401.257128][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 401.257130][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 401.257132][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 401.257135][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 401.257136][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 401.257138][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 401.257140][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257141][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 401.257142][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 401.257144][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 401.257145][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 401.257147][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 401.257148][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 401.257150][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 401.257151][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 401.257152][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 401.257155][ T12] ? kthread (kernel/kthread.c:436) [ 401.257157][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 401.257160][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 401.257163][ T12] _printk (kernel/printk/printk.c:2504) [ 401.257165][ T12] ? snapshot_read.cold (user.c:?) [ 401.257168][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 401.257171][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 401.257173][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 401.257175][ T12] ? netdev_notice (net/core/dev.c:13194) [ 401.257177][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257179][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 401.257180][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 401.257183][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 401.257184][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 401.257186][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 401.257188][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 401.257190][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 401.257194][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 401.257197][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 401.257199][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 401.257201][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 401.257203][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 401.257206][ T12] cleanup_net (net/core/net_namespace.c:706) [ 401.257208][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 401.257209][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 401.257212][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 401.257214][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 401.257215][ T12] process_one_work (kernel/workqueue.c:3387) [ 401.257218][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 401.257221][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 401.257223][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 401.257226][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 401.257228][ T12] kthread (kernel/kthread.c:436) [ 401.257229][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 401.257231][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 401.257233][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 401.257235][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 401.257237][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 401.257240][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 401.257241][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 402.683361][ T7950] softirqs last disabled at (0): 0x0 | [ 402.683363][ T7950] Preemption disabled at: | [ 402.683364][ T7950] vprintk_emit (kernel/printk/printk.c:2471) | [ 402.683373][ T7950] Tainted: [W]=WARN [ 402.683375][ T7950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 402.683376][ T7950] Call Trace: [ 402.683378][ T7950] [ 402.683379][ T7950] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 402.683385][ T7950] ? vprintk_emit (kernel/printk/printk.c:2471) [ 402.683386][ T7950] __might_resched.cold (kernel/sched/core.c:9234) [ 402.683390][ T7950] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 402.683392][ T7950] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 402.683395][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683398][ T7950] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 402.683400][ T7950] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.683404][ T7950] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 402.683409][ T7950] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 402.683410][ T7950] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 402.683413][ T7950] put_chars (drivers/char/virtio_console.c:1176) [ 402.683415][ T7950] ? __send_to_port (drivers/char/virtio_console.c:654) [ 402.683416][ T7950] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 402.683419][ T7950] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 402.683423][ T7950] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 402.683425][ T7950] ? vsnprintf (lib/vsprintf.c:2900) [ 402.683428][ T7950] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.683430][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683431][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683433][ T7950] console_emit_next_record (kernel/printk/printk.c:3183) [ 402.683436][ T7950] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 402.683438][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683439][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683440][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683441][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683444][ T7950] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 402.683446][ T7950] console_flush_one_record (kernel/printk/printk.c:3268) [ 402.683448][ T7950] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 402.683451][ T7950] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 402.683453][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683454][ T7950] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 402.683456][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683457][ T7950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.683459][ T7950] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 402.683461][ T7950] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 402.683462][ T7950] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 402.683464][ T7950] ? vprintk_emit (kernel/printk/printk.c:2478) [ 402.683466][ T7950] vprintk_emit (kernel/printk/printk.c:2479) [ 402.683467][ T7950] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 402.683469][ T7950] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.683470][ T7950] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 402.683474][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683475][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683477][ T7950] _printk (kernel/printk/printk.c:2504) [ 402.683480][ T7950] ? snapshot_read.cold (user.c:?) [ 402.683482][ T7950] ? br_multicast_flood (??:?) [ 402.683485][ T7950] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 402.683488][ T7950] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 402.683489][ T7950] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 402.683491][ T7950] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 402.683493][ T7950] br_init_port (net/bridge/br_stp_if.c:39) [ 402.683495][ T7950] new_nbp (net/bridge/br_if.c:449) [ 402.683497][ T7950] br_add_if (net/bridge/br_if.c:592) [ 402.683499][ T7950] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 402.683503][ T7950] do_set_master (net/core/rtnetlink.c:3071) [ 402.683505][ T7950] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 402.683507][ T7950] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 402.683508][ T7950] ? __dev_get_by_name (net/core/dev.c:905) [ 402.683510][ T7950] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 402.683514][ T7950] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 402.683516][ T7950] rtnl_newlink (net/core/rtnetlink.c:4215) [ 402.683518][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683520][ T7950] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 402.683521][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683522][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683524][ T7950] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 402.683526][ T7950] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 402.683528][ T7950] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 402.683531][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683532][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683533][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683535][ T7950] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 402.683536][ T7950] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 402.683538][ T7950] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 402.683539][ T7950] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 402.683541][ T7950] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 402.683544][ T7950] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 402.683547][ T7950] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 402.683549][ T7950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.683550][ T7950] ? netlink_ack (./include/linux/skbuff.h:2718) [ 402.683552][ T7950] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 402.683555][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683556][ T7950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.683558][ T7950] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 402.683560][ T7950] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 402.683562][ T7950] ? next_uptodate_folio (mm/filemap.c:3747) [ 402.683565][ T7950] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 402.683567][ T7950] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 402.683569][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683571][ T7950] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 402.683574][ T7950] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 402.683577][ T7950] ____sys_sendmsg (net/socket.c:2713) [ 402.683579][ T7950] ? copy_msghdr_from_user (net/socket.c:2650) [ 402.683581][ T7950] ? sock_write_iter (net/socket.c:1269) [ 402.683582][ T7950] ? move_addr_to_kernel (net/socket.c:258) [ 402.683584][ T7950] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 402.683587][ T7950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.683589][ T7950] ___sys_sendmsg (net/socket.c:2767) [ 402.683590][ T7950] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 402.683592][ T7950] ? copy_msghdr_from_user (net/socket.c:2619) [ 402.683594][ T7950] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 402.683598][ T7950] __sys_sendmsg (net/socket.c:2799) [ 402.683601][ T7950] ? __sys_sendmsg_sock (net/socket.c:2780) [ 402.683603][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683604][ T7950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.683606][ T7950] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 402.683608][ T7950] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 402.683610][ T7950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 402.683612][ T7950] RIP: 0033:0x7f09119e354e [ 402.683614][ T7950] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 402.683616][ T7950] RSP: 002b:00007ffd3d567e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 402.683620][ T7950] RAX: ffffffffffffffda RBX: 00007ffd3d568648 RCX: 00007f09119e354e [ 402.683621][ T7950] RDX: 0000000000000000 RSI: 00007ffd3d567f30 RDI: 0000000000000005 [ 402.683622][ T7950] RBP: 00007ffd3d567e90 R08: 0000000000000000 R09: 0000000000000000 [ 402.683623][ T7950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91690a [ 402.683624][ T7950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3d568600 | [ 403.825130][ T8016] softirqs last disabled at (0): 0x0 | [ 403.825132][ T8016] Preemption disabled at: | [ 403.825133][ T8016] vprintk_emit (kernel/printk/printk.c:2471) | [ 403.825143][ T8016] Tainted: [W]=WARN [ 403.825144][ T8016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 403.825146][ T8016] Call Trace: [ 403.825147][ T8016] [ 403.825148][ T8016] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 403.825154][ T8016] ? vprintk_emit (kernel/printk/printk.c:2471) [ 403.825156][ T8016] __might_resched.cold (kernel/sched/core.c:9234) [ 403.825159][ T8016] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 403.825162][ T8016] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 403.825165][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825167][ T8016] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 403.825170][ T8016] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 403.825173][ T8016] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 403.825178][ T8016] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 403.825180][ T8016] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 403.825183][ T8016] put_chars (drivers/char/virtio_console.c:1176) [ 403.825184][ T8016] ? __send_to_port (drivers/char/virtio_console.c:654) [ 403.825186][ T8016] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 403.825188][ T8016] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 403.825190][ T8016] ? __schedule (kernel/sched/core.c:7277) [ 403.825194][ T8016] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 403.825199][ T8016] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 403.825201][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825202][ T8016] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 403.825204][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825205][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825206][ T8016] console_emit_next_record (kernel/printk/printk.c:3183) [ 403.825209][ T8016] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 403.825211][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825212][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825215][ T8016] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 403.825217][ T8016] console_flush_one_record (kernel/printk/printk.c:3268) [ 403.825219][ T8016] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 403.825222][ T8016] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 403.825224][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825225][ T8016] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 403.825227][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825228][ T8016] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.825230][ T8016] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 403.825231][ T8016] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 403.825233][ T8016] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 403.825235][ T8016] ? vprintk_emit (kernel/printk/printk.c:2478) [ 403.825236][ T8016] vprintk_emit (kernel/printk/printk.c:2479) [ 403.825238][ T8016] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 403.825239][ T8016] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 403.825241][ T8016] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 403.825243][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825245][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825246][ T8016] _printk (kernel/printk/printk.c:2504) [ 403.825249][ T8016] ? snapshot_read.cold (user.c:?) [ 403.825252][ T8016] ? br_multicast_flood (??:?) [ 403.825255][ T8016] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 403.825258][ T8016] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 403.825259][ T8016] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 403.825261][ T8016] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 403.825264][ T8016] br_init_port (net/bridge/br_stp_if.c:39) [ 403.825265][ T8016] new_nbp (net/bridge/br_if.c:449) [ 403.825268][ T8016] br_add_if (net/bridge/br_if.c:592) [ 403.825269][ T8016] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 403.825274][ T8016] do_set_master (net/core/rtnetlink.c:3071) [ 403.825275][ T8016] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 403.825277][ T8016] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 403.825278][ T8016] ? __dev_get_by_name (net/core/dev.c:905) [ 403.825280][ T8016] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 403.825285][ T8016] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 403.825287][ T8016] rtnl_newlink (net/core/rtnetlink.c:4215) [ 403.825289][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825290][ T8016] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 403.825292][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825293][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825295][ T8016] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 403.825297][ T8016] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 403.825299][ T8016] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 403.825301][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825302][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825304][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825305][ T8016] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 403.825306][ T8016] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 403.825308][ T8016] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 403.825310][ T8016] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 403.825311][ T8016] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 403.825315][ T8016] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 403.825318][ T8016] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 403.825319][ T8016] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.825321][ T8016] ? netlink_ack (./include/linux/skbuff.h:2718) [ 403.825322][ T8016] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 403.825325][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825326][ T8016] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 403.825329][ T8016] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 403.825331][ T8016] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 403.825333][ T8016] ? next_uptodate_folio (mm/filemap.c:3747) [ 403.825336][ T8016] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 403.825338][ T8016] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 403.825340][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825341][ T8016] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 403.825345][ T8016] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 403.825348][ T8016] ____sys_sendmsg (net/socket.c:2713) [ 403.825350][ T8016] ? copy_msghdr_from_user (net/socket.c:2650) [ 403.825351][ T8016] ? sock_write_iter (net/socket.c:1269) [ 403.825353][ T8016] ? move_addr_to_kernel (net/socket.c:258) [ 403.825355][ T8016] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 403.825357][ T8016] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 403.825359][ T8016] ___sys_sendmsg (net/socket.c:2767) [ 403.825361][ T8016] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 403.825362][ T8016] ? copy_msghdr_from_user (net/socket.c:2619) [ 403.825364][ T8016] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 403.825368][ T8016] __sys_sendmsg (net/socket.c:2799) [ 403.825370][ T8016] ? __sys_sendmsg_sock (net/socket.c:2780) [ 403.825373][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825374][ T8016] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 403.825376][ T8016] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 403.825378][ T8016] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 403.825381][ T8016] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 403.825382][ T8016] RIP: 0033:0x7f7def41854e [ 403.825384][ T8016] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 403.825386][ T8016] RSP: 002b:00007fff904703f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 403.825390][ T8016] RAX: ffffffffffffffda RBX: 00007fff90470bb8 RCX: 00007f7def41854e [ 403.825391][ T8016] RDX: 0000000000000000 RSI: 00007fff904704a0 RDI: 0000000000000005 [ 403.825392][ T8016] RBP: 00007fff90470400 R08: 0000000000000000 R09: 0000000000000000 [ 403.825393][ T8016] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91690b [ 403.825394][ T8016] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff90470b70 | [ 411.355842][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 411.355845][ T12] Preemption disabled at: | [ 411.355846][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 411.355856][ T12] Tainted: [W]=WARN [ 411.355857][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 411.355858][ T12] Workqueue: netns cleanup_net [ 411.355864][ T12] Call Trace: [ 411.355866][ T12] [ 411.355871][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 411.355877][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 411.355878][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 411.355882][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 411.355884][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 411.355887][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355890][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 411.355893][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 411.355896][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 411.355901][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 411.355902][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 411.355905][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 411.355907][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 411.355908][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 411.355911][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 411.355916][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 411.355917][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 411.355920][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 411.355921][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355922][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355924][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 411.355927][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 411.355929][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355930][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355931][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355932][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.355935][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 411.355937][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 411.355939][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 411.355942][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 411.355944][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.355945][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 411.355947][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355948][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 411.355950][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 411.355951][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 411.355953][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 411.355955][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 411.355956][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 411.355958][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 411.355959][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 411.355961][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 411.355963][ T12] ? kthread (kernel/kthread.c:436) [ 411.355965][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 411.355968][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 411.355971][ T12] _printk (kernel/printk/printk.c:2504) [ 411.355974][ T12] ? snapshot_read.cold (user.c:?) [ 411.355976][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 411.355979][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 411.355981][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 411.355984][ T12] ? netdev_notice (net/core/dev.c:13194) [ 411.355986][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.355987][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 411.355989][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 411.355992][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 411.355993][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 411.355995][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 411.355997][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 411.356000][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 411.356004][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 411.356006][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 411.356008][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 411.356011][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 411.356013][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 411.356015][ T12] cleanup_net (net/core/net_namespace.c:706) [ 411.356017][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 411.356019][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 411.356021][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 411.356023][ T12] process_one_work (kernel/workqueue.c:3387) [ 411.356026][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 411.356028][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 411.356031][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 411.356034][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 411.356036][ T12] kthread (kernel/kthread.c:436) [ 411.356037][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 411.356039][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 411.356041][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 411.356042][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 411.356045][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 411.356047][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 411.356049][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 412.551208][ T8314] softirqs last disabled at (0): 0x0 | [ 412.551209][ T8314] Preemption disabled at: | [ 412.551210][ T8314] vprintk_emit (kernel/printk/printk.c:2471) | [ 412.551220][ T8314] Tainted: [W]=WARN [ 412.551221][ T8314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 412.551223][ T8314] Call Trace: [ 412.551225][ T8314] [ 412.551226][ T8314] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 412.551232][ T8314] ? vprintk_emit (kernel/printk/printk.c:2471) [ 412.551233][ T8314] __might_resched.cold (kernel/sched/core.c:9234) [ 412.551237][ T8314] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 412.551239][ T8314] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 412.551242][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551245][ T8314] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 412.551248][ T8314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 412.551251][ T8314] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 412.551256][ T8314] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 412.551257][ T8314] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 412.551260][ T8314] put_chars (drivers/char/virtio_console.c:1176) [ 412.551261][ T8314] ? __send_to_port (drivers/char/virtio_console.c:654) [ 412.551263][ T8314] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 412.551266][ T8314] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 412.551270][ T8314] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 412.551272][ T8314] ? vsnprintf (lib/vsprintf.c:2900) [ 412.551275][ T8314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 412.551277][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551278][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551280][ T8314] console_emit_next_record (kernel/printk/printk.c:3183) [ 412.551283][ T8314] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 412.551285][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551286][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551287][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551288][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551290][ T8314] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 412.551292][ T8314] console_flush_one_record (kernel/printk/printk.c:3268) [ 412.551294][ T8314] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 412.551297][ T8314] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 412.551299][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551301][ T8314] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 412.551302][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551304][ T8314] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 412.551305][ T8314] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 412.551307][ T8314] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 412.551308][ T8314] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 412.551310][ T8314] ? vprintk_emit (kernel/printk/printk.c:2478) [ 412.551311][ T8314] vprintk_emit (kernel/printk/printk.c:2479) [ 412.551313][ T8314] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 412.551314][ T8314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 412.551316][ T8314] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 412.551319][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551320][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551322][ T8314] _printk (kernel/printk/printk.c:2504) [ 412.551325][ T8314] ? snapshot_read.cold (user.c:?) [ 412.551327][ T8314] ? br_multicast_flood (??:?) [ 412.551330][ T8314] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 412.551333][ T8314] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 412.551334][ T8314] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 412.551336][ T8314] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 412.551339][ T8314] br_init_port (net/bridge/br_stp_if.c:39) [ 412.551340][ T8314] new_nbp (net/bridge/br_if.c:449) [ 412.551343][ T8314] br_add_if (net/bridge/br_if.c:592) [ 412.551344][ T8314] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 412.551349][ T8314] do_set_master (net/core/rtnetlink.c:3071) [ 412.551351][ T8314] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 412.551352][ T8314] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 412.551354][ T8314] ? __dev_get_by_name (net/core/dev.c:905) [ 412.551356][ T8314] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 412.551359][ T8314] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 412.551362][ T8314] rtnl_newlink (net/core/rtnetlink.c:4215) [ 412.551364][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551365][ T8314] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 412.551366][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551368][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551369][ T8314] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 412.551372][ T8314] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 412.551374][ T8314] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 412.551376][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551377][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551379][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551380][ T8314] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 412.551381][ T8314] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 412.551383][ T8314] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 412.551384][ T8314] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 412.551386][ T8314] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 412.551389][ T8314] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 412.551393][ T8314] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 412.551394][ T8314] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 412.551395][ T8314] ? netlink_ack (./include/linux/skbuff.h:2718) [ 412.551397][ T8314] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 412.551400][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551401][ T8314] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 412.551403][ T8314] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 412.551405][ T8314] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 412.551407][ T8314] ? next_uptodate_folio (mm/filemap.c:3747) [ 412.551410][ T8314] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 412.551412][ T8314] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 412.551414][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551416][ T8314] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 412.551419][ T8314] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 412.551422][ T8314] ____sys_sendmsg (net/socket.c:2713) [ 412.551424][ T8314] ? copy_msghdr_from_user (net/socket.c:2650) [ 412.551426][ T8314] ? sock_write_iter (net/socket.c:1269) [ 412.551427][ T8314] ? move_addr_to_kernel (net/socket.c:258) [ 412.551429][ T8314] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 412.551432][ T8314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 412.551434][ T8314] ___sys_sendmsg (net/socket.c:2767) [ 412.551435][ T8314] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 412.551437][ T8314] ? copy_msghdr_from_user (net/socket.c:2619) [ 412.551438][ T8314] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 412.551443][ T8314] __sys_sendmsg (net/socket.c:2799) [ 412.551445][ T8314] ? __sys_sendmsg_sock (net/socket.c:2780) [ 412.551448][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551449][ T8314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 412.551450][ T8314] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 412.551453][ T8314] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 412.551455][ T8314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 412.551457][ T8314] RIP: 0033:0x7f1459c4d54e [ 412.551459][ T8314] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 412.551460][ T8314] RSP: 002b:00007ffd33e38aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 412.551464][ T8314] RAX: ffffffffffffffda RBX: 00007ffd33e39268 RCX: 00007f1459c4d54e [ 412.551466][ T8314] RDX: 0000000000000000 RSI: 00007ffd33e38b50 RDI: 0000000000000005 [ 412.551466][ T8314] RBP: 00007ffd33e38ab0 R08: 0000000000000000 R09: 0000000000000000 [ 412.551467][ T8314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916913 [ 412.551468][ T8314] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd33e39220 | [ 413.876325][ T8383] softirqs last disabled at (0): 0x0 | [ 413.876327][ T8383] Preemption disabled at: | [ 413.876328][ T8383] vprintk_emit (kernel/printk/printk.c:2471) | [ 413.876338][ T8383] Tainted: [W]=WARN [ 413.876339][ T8383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 413.876340][ T8383] Call Trace: [ 413.876342][ T8383] [ 413.876344][ T8383] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 413.876349][ T8383] ? vprintk_emit (kernel/printk/printk.c:2471) [ 413.876350][ T8383] __might_resched.cold (kernel/sched/core.c:9234) [ 413.876354][ T8383] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 413.876357][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876360][ T8383] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 413.876363][ T8383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 413.876366][ T8383] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 413.876371][ T8383] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 413.876372][ T8383] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 413.876375][ T8383] put_chars (drivers/char/virtio_console.c:1176) [ 413.876376][ T8383] ? __send_to_port (drivers/char/virtio_console.c:654) [ 413.876377][ T8383] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 413.876380][ T8383] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 413.876382][ T8383] ? pointer (lib/vsprintf.c:2577) [ 413.876385][ T8383] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 413.876390][ T8383] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 413.876391][ T8383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 413.876393][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876395][ T8383] console_emit_next_record (kernel/printk/printk.c:3183) [ 413.876398][ T8383] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 413.876401][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876402][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876403][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876404][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876406][ T8383] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 413.876408][ T8383] console_flush_one_record (kernel/printk/printk.c:3268) [ 413.876410][ T8383] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 413.876413][ T8383] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 413.876415][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876416][ T8383] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 413.876418][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876419][ T8383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.876420][ T8383] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 413.876422][ T8383] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 413.876424][ T8383] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 413.876425][ T8383] ? vprintk_emit (kernel/printk/printk.c:2478) [ 413.876427][ T8383] vprintk_emit (kernel/printk/printk.c:2479) [ 413.876429][ T8383] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 413.876430][ T8383] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 413.876432][ T8383] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 413.876435][ T8383] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 413.876437][ T8383] _printk (kernel/printk/printk.c:2504) [ 413.876440][ T8383] ? snapshot_read.cold (user.c:?) [ 413.876442][ T8383] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 413.876444][ T8383] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 413.876447][ T8383] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 413.876449][ T8383] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 413.876453][ T8383] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 413.876455][ T8383] ? netdev_notice (net/core/dev.c:13194) [ 413.876457][ T8383] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 413.876458][ T8383] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 413.876461][ T8383] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 413.876463][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876464][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876465][ T8383] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 413.876466][ T8383] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 413.876468][ T8383] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 413.876469][ T8383] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 413.876470][ T8383] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 413.876472][ T8383] ? register_netdev (net/core/dev.c:11618) [ 413.876473][ T8383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.876475][ T8383] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 413.876478][ T8383] ? __kernel_text_address (kernel/extable.c:79) [ 413.876480][ T8383] ? write_profile (profile.c:?) [ 413.876483][ T8383] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 413.876487][ T8383] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 413.876489][ T8383] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 413.876490][ T8383] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 413.876491][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876492][ T8383] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 413.876496][ T8383] ? kasan_save_stack (mm/kasan/common.c:58) [ 413.876497][ T8383] ? kasan_save_stack (mm/kasan/common.c:57) [ 413.876498][ T8383] ? kasan_save_track (mm/kasan/common.c:78) [ 413.876500][ T8383] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 413.876501][ T8383] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 413.876502][ T8383] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 413.876503][ T8383] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 413.876504][ T8383] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 413.876507][ T8383] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 413.876508][ T8383] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 413.876510][ T8383] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 413.876512][ T8383] ? ____sys_sendmsg (net/socket.c:2713) [ 413.876514][ T8383] ? ___sys_sendmsg (net/socket.c:2767) [ 413.876515][ T8383] ? __sys_sendmsg (net/socket.c:2799) [ 413.876517][ T8383] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 413.876519][ T8383] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 413.876521][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876522][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876524][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876525][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876526][ T8383] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 413.876528][ T8383] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 413.876529][ T8383] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 413.876530][ T8383] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 413.876531][ T8383] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 413.876533][ T8383] ? nla_get_range_signed (lib/nlattr.c:270) [ 413.876536][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876537][ T8383] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 413.876540][ T8383] rtnl_newlink (net/core/rtnetlink.c:4215) [ 413.876541][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876543][ T8383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 413.876544][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876545][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876547][ T8383] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 413.876549][ T8383] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 413.876550][ T8383] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 413.876552][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876553][ T8383] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 413.876556][ T8383] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 413.876559][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876560][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876561][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876562][ T8383] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 413.876564][ T8383] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 413.876565][ T8383] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 413.876567][ T8383] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 413.876568][ T8383] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 413.876571][ T8383] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 413.876572][ T8383] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 413.876574][ T8383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.876575][ T8383] ? netlink_ack (./include/linux/skbuff.h:2718) [ 413.876577][ T8383] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 413.876580][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876581][ T8383] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 413.876583][ T8383] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 413.876585][ T8383] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 413.876587][ T8383] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 413.876589][ T8383] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 413.876591][ T8383] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 413.876593][ T8383] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 413.876594][ T8383] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 413.876596][ T8383] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 413.876599][ T8383] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 413.876601][ T8383] ____sys_sendmsg (net/socket.c:2713) [ 413.876602][ T8383] ? copy_msghdr_from_user (net/socket.c:2650) [ 413.876604][ T8383] ? sock_write_iter (net/socket.c:1269) [ 413.876606][ T8383] ? move_addr_to_kernel (net/socket.c:258) [ 413.876607][ T8383] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 413.876610][ T8383] ___sys_sendmsg (net/socket.c:2767) [ 413.876611][ T8383] ? copy_msghdr_from_user (net/socket.c:2619) [ 413.876616][ T8383] __sys_sendmsg (net/socket.c:2799) [ 413.876618][ T8383] ? __sys_sendmsg_sock (net/socket.c:2780) [ 413.876621][ T8383] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 413.876622][ T8383] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 413.876624][ T8383] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 413.876626][ T8383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 413.876628][ T8383] RIP: 0033:0x7f551e34c54e [ 413.876630][ T8383] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 413.876632][ T8383] RSP: 002b:00007ffeee3ca450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 413.876635][ T8383] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f551e34c54e [ 413.876636][ T8383] RDX: 0000000000000000 RSI: 00007ffeee3ca500 RDI: 0000000000000005 [ 413.876638][ T8383] RBP: 00007ffeee3ca460 R08: 0000000000000000 R09: 0000000000000000 [ 413.876638][ T8383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916915 [ 413.876639][ T8383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeee3cabc0 | [ 414.940050][ T8433] softirqs last disabled at (0): 0x0 | [ 414.940052][ T8433] Preemption disabled at: | [ 414.940053][ T8433] vprintk_emit (kernel/printk/printk.c:2471) | [ 414.940063][ T8433] Tainted: [W]=WARN [ 414.940064][ T8433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 414.940065][ T8433] Call Trace: [ 414.940067][ T8433] [ 414.940068][ T8433] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 414.940074][ T8433] ? vprintk_emit (kernel/printk/printk.c:2471) [ 414.940076][ T8433] __might_resched.cold (kernel/sched/core.c:9234) [ 414.940079][ T8433] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 414.940082][ T8433] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 414.940085][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940088][ T8433] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 414.940091][ T8433] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 414.940094][ T8433] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 414.940099][ T8433] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 414.940101][ T8433] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 414.940103][ T8433] put_chars (drivers/char/virtio_console.c:1176) [ 414.940105][ T8433] ? __send_to_port (drivers/char/virtio_console.c:654) [ 414.940107][ T8433] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 414.940109][ T8433] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 414.940114][ T8433] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 414.940116][ T8433] ? vsnprintf (lib/vsprintf.c:2900) [ 414.940119][ T8433] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 414.940121][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940122][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940123][ T8433] console_emit_next_record (kernel/printk/printk.c:3183) [ 414.940126][ T8433] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 414.940128][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940129][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940130][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940132][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940134][ T8433] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 414.940136][ T8433] console_flush_one_record (kernel/printk/printk.c:3268) [ 414.940138][ T8433] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 414.940141][ T8433] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 414.940143][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940144][ T8433] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 414.940146][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940147][ T8433] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 414.940149][ T8433] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 414.940150][ T8433] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 414.940152][ T8433] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 414.940154][ T8433] ? vprintk_emit (kernel/printk/printk.c:2478) [ 414.940155][ T8433] vprintk_emit (kernel/printk/printk.c:2479) [ 414.940157][ T8433] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 414.940158][ T8433] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 414.940160][ T8433] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 414.940163][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940164][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940166][ T8433] _printk (kernel/printk/printk.c:2504) [ 414.940169][ T8433] ? snapshot_read.cold (user.c:?) [ 414.940171][ T8433] ? br_multicast_flood (??:?) [ 414.940174][ T8433] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 414.940177][ T8433] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 414.940178][ T8433] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 414.940180][ T8433] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 414.940183][ T8433] br_init_port (net/bridge/br_stp_if.c:39) [ 414.940185][ T8433] new_nbp (net/bridge/br_if.c:449) [ 414.940187][ T8433] br_add_if (net/bridge/br_if.c:592) [ 414.940189][ T8433] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 414.940193][ T8433] do_set_master (net/core/rtnetlink.c:3071) [ 414.940195][ T8433] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 414.940196][ T8433] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 414.940198][ T8433] ? __dev_get_by_name (net/core/dev.c:905) [ 414.940200][ T8433] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 414.940204][ T8433] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 414.940206][ T8433] rtnl_newlink (net/core/rtnetlink.c:4215) [ 414.940208][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940210][ T8433] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 414.940211][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940212][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940214][ T8433] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 414.940217][ T8433] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 414.940218][ T8433] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 414.940221][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940222][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940223][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940225][ T8433] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 414.940226][ T8433] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 414.940228][ T8433] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 414.940229][ T8433] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 414.940231][ T8433] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 414.940234][ T8433] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 414.940237][ T8433] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 414.940238][ T8433] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 414.940240][ T8433] ? netlink_ack (./include/linux/skbuff.h:2718) [ 414.940242][ T8433] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 414.940245][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940246][ T8433] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 414.940248][ T8433] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 414.940250][ T8433] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 414.940252][ T8433] ? next_uptodate_folio (mm/filemap.c:3747) [ 414.940256][ T8433] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 414.940258][ T8433] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 414.940260][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940261][ T8433] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 414.940265][ T8433] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 414.940268][ T8433] ____sys_sendmsg (net/socket.c:2713) [ 414.940269][ T8433] ? copy_msghdr_from_user (net/socket.c:2650) [ 414.940271][ T8433] ? sock_write_iter (net/socket.c:1269) [ 414.940273][ T8433] ? move_addr_to_kernel (net/socket.c:258) [ 414.940275][ T8433] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 414.940277][ T8433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 414.940279][ T8433] ___sys_sendmsg (net/socket.c:2767) [ 414.940281][ T8433] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 414.940283][ T8433] ? copy_msghdr_from_user (net/socket.c:2619) [ 414.940284][ T8433] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 414.940289][ T8433] __sys_sendmsg (net/socket.c:2799) [ 414.940291][ T8433] ? __sys_sendmsg_sock (net/socket.c:2780) [ 414.940294][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940295][ T8433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 414.940296][ T8433] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 414.940299][ T8433] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 414.940301][ T8433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 414.940302][ T8433] RIP: 0033:0x7fee10d9954e [ 414.940304][ T8433] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 414.940306][ T8433] RSP: 002b:00007ffc6d1faf00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 414.940310][ T8433] RAX: ffffffffffffffda RBX: 00007ffc6d1fb6c8 RCX: 00007fee10d9954e [ 414.940311][ T8433] RDX: 0000000000000000 RSI: 00007ffc6d1fafb0 RDI: 0000000000000005 [ 414.940312][ T8433] RBP: 00007ffc6d1faf10 R08: 0000000000000000 R09: 0000000000000000 [ 414.940313][ T8433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916916 [ 414.940314][ T8433] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6d1fb680 | [ 420.494862][ T8466] softirqs last disabled at (0): 0x0 | [ 420.494864][ T8466] Preemption disabled at: | [ 420.494864][ T8466] vprintk_emit (kernel/printk/printk.c:2471) | [ 420.494875][ T8466] Tainted: [W]=WARN [ 420.494876][ T8466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 420.494878][ T8466] Call Trace: [ 420.494879][ T8466] [ 420.494880][ T8466] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 420.494886][ T8466] ? vprintk_emit (kernel/printk/printk.c:2471) [ 420.494891][ T8466] __might_resched.cold (kernel/sched/core.c:9234) [ 420.494895][ T8466] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 420.494898][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494901][ T8466] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 420.494904][ T8466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 420.494907][ T8466] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 420.494913][ T8466] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 420.494914][ T8466] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 420.494917][ T8466] put_chars (drivers/char/virtio_console.c:1176) [ 420.494919][ T8466] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 420.494921][ T8466] ? __send_to_port (drivers/char/virtio_console.c:654) [ 420.494923][ T8466] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 420.494926][ T8466] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 420.494930][ T8466] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 420.494932][ T8466] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 420.494934][ T8466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 420.494935][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494936][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494938][ T8466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 420.494940][ T8466] console_emit_next_record (kernel/printk/printk.c:3183) [ 420.494943][ T8466] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 420.494945][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494946][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494947][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494948][ T8466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 420.494950][ T8466] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 420.494951][ T8466] console_flush_one_record (kernel/printk/printk.c:3268) [ 420.494954][ T8466] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 420.494956][ T8466] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 420.494958][ T8466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 420.494960][ T8466] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 420.494962][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.494963][ T8466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 420.494964][ T8466] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 420.494966][ T8466] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 420.494967][ T8466] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 420.494969][ T8466] ? vprintk_emit (kernel/printk/printk.c:2478) [ 420.494970][ T8466] vprintk_emit (kernel/printk/printk.c:2479) [ 420.494972][ T8466] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 420.494974][ T8466] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 420.494977][ T8466] _printk (kernel/printk/printk.c:2504) [ 420.494980][ T8466] ? snapshot_read.cold (user.c:?) [ 420.494983][ T8466] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 420.494985][ T8466] gact_init_module (net/sched/act_gact.c:180) act_gact [ 420.494987][ T8466] do_one_initcall (init/main.c:1357) [ 420.494989][ T8466] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 420.494991][ T8466] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 420.494994][ T8466] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 420.494997][ T8466] do_init_module (kernel/module/main.c:3117) [ 420.494999][ T8466] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 420.495000][ T8466] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 420.495002][ T8466] load_module (kernel/module/main.c:3593) [ 420.495004][ T8466] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 420.495008][ T8466] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 420.495010][ T8466] ? __ia32_sys_fsconfig (??:?) [ 420.495013][ T8466] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 420.495015][ T8466] init_module_from_file (kernel/module/main.c:3790) [ 420.495017][ T8466] ? __do_sys_init_module (kernel/module/main.c:3664) [ 420.495018][ T8466] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 420.495020][ T8466] ? handle_pte_fault (mm/memory.c:6558) [ 420.495022][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.495023][ T8466] ? ovl_mmap (fs/overlayfs/file.c:477) [ 420.495026][ T8466] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 420.495028][ T8466] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 420.495029][ T8466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 420.495031][ T8466] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 420.495033][ T8466] idempotent_init_module (kernel/module/main.c:3802) [ 420.495034][ T8466] ? init_module_from_file (kernel/module/main.c:3791) [ 420.495036][ T8466] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 420.495038][ T8466] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 420.495040][ T8466] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 420.495042][ T8466] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 420.495045][ T8466] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 420.495048][ T8466] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 420.495050][ T8466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 420.495052][ T8466] RIP: 0033:0x7f446c61837d [ 420.495054][ T8466] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 420.495056][ T8466] RSP: 002b:00007ffc1a51d9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 420.495059][ T8466] RAX: ffffffffffffffda RBX: 000055a1d6ddc810 RCX: 00007f446c61837d [ 420.495061][ T8466] RDX: 0000000000000000 RSI: 000055a1a4969ffd RDI: 0000000000000000 [ 420.495062][ T8466] RBP: 00007ffc1a51da50 R08: 0000000000000000 R09: 0000000000000000 [ 420.495063][ T8466] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a1a4969ffd [ 420.495063][ T8466] R13: 000055a1d6ddc960 R14: 0000000000040000 R15: 0000000000000000 | [ 422.823043][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 422.823045][ T12] Preemption disabled at: | [ 422.823046][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 422.823056][ T12] Tainted: [W]=WARN [ 422.823058][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 422.823059][ T12] Workqueue: netns cleanup_net [ 422.823065][ T12] Call Trace: [ 422.823067][ T12] [ 422.823068][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 422.823074][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 422.823075][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 422.823079][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 422.823081][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 422.823084][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823086][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 422.823089][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 422.823093][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 422.823097][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 422.823099][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 422.823102][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 422.823103][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 422.823105][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 422.823107][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 422.823112][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 422.823114][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 422.823116][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 422.823118][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823119][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823121][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 422.823123][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 422.823125][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823126][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823127][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823128][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.823131][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 422.823133][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 422.823135][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 422.823138][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 422.823139][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.823141][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 422.823143][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823144][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 422.823145][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 422.823147][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 422.823148][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 422.823150][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 422.823152][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 422.823153][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 422.823155][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 422.823156][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 422.823159][ T12] ? kthread (kernel/kthread.c:436) [ 422.823161][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 422.823164][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 422.823166][ T12] _printk (kernel/printk/printk.c:2504) [ 422.823169][ T12] ? snapshot_read.cold (user.c:?) [ 422.823171][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 422.823175][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 422.823177][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 422.823179][ T12] ? netdev_notice (net/core/dev.c:13194) [ 422.823181][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823182][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 422.823184][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 422.823187][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 422.823188][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 422.823190][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 422.823192][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 422.823195][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 422.823199][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 422.823201][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 422.823203][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 422.823205][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 422.823207][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 422.823210][ T12] cleanup_net (net/core/net_namespace.c:706) [ 422.823212][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 422.823214][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.823216][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.823217][ T12] process_one_work (kernel/workqueue.c:3387) [ 422.823220][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 422.823223][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 422.823225][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 422.823228][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 422.823230][ T12] kthread (kernel/kthread.c:436) [ 422.823232][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 422.823233][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 422.823235][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 422.823237][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 422.823239][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 422.823242][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 422.823244][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 424.043411][ T8655] softirqs last disabled at (0): 0x0 | [ 424.043413][ T8655] Preemption disabled at: | [ 424.043414][ T8655] vprintk_emit (kernel/printk/printk.c:2471) | [ 424.043424][ T8655] Tainted: [W]=WARN [ 424.043426][ T8655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 424.043428][ T8655] Call Trace: [ 424.043429][ T8655] [ 424.043431][ T8655] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 424.043436][ T8655] ? vprintk_emit (kernel/printk/printk.c:2471) [ 424.043438][ T8655] __might_resched.cold (kernel/sched/core.c:9234) [ 424.043442][ T8655] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 424.043444][ T8655] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 424.043447][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043450][ T8655] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 424.043453][ T8655] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.043456][ T8655] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 424.043461][ T8655] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 424.043463][ T8655] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 424.043465][ T8655] put_chars (drivers/char/virtio_console.c:1176) [ 424.043467][ T8655] ? __send_to_port (drivers/char/virtio_console.c:654) [ 424.043469][ T8655] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 424.043471][ T8655] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 424.043476][ T8655] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 424.043477][ T8655] ? vsnprintf (lib/vsprintf.c:2900) [ 424.043481][ T8655] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.043482][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043483][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043485][ T8655] console_emit_next_record (kernel/printk/printk.c:3183) [ 424.043488][ T8655] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 424.043490][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043491][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043492][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043493][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043496][ T8655] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 424.043497][ T8655] console_flush_one_record (kernel/printk/printk.c:3268) [ 424.043500][ T8655] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 424.043502][ T8655] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 424.043504][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043506][ T8655] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 424.043508][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043509][ T8655] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.043510][ T8655] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 424.043512][ T8655] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 424.043513][ T8655] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 424.043515][ T8655] ? vprintk_emit (kernel/printk/printk.c:2478) [ 424.043517][ T8655] vprintk_emit (kernel/printk/printk.c:2479) [ 424.043519][ T8655] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 424.043520][ T8655] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.043521][ T8655] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 424.043524][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043526][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043527][ T8655] _printk (kernel/printk/printk.c:2504) [ 424.043530][ T8655] ? snapshot_read.cold (user.c:?) [ 424.043532][ T8655] ? br_multicast_flood (??:?) [ 424.043536][ T8655] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 424.043539][ T8655] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 424.043540][ T8655] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 424.043542][ T8655] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 424.043544][ T8655] br_init_port (net/bridge/br_stp_if.c:39) [ 424.043546][ T8655] new_nbp (net/bridge/br_if.c:449) [ 424.043548][ T8655] br_add_if (net/bridge/br_if.c:592) [ 424.043550][ T8655] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 424.043554][ T8655] do_set_master (net/core/rtnetlink.c:3071) [ 424.043556][ T8655] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 424.043558][ T8655] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 424.043559][ T8655] ? __dev_get_by_name (net/core/dev.c:905) [ 424.043561][ T8655] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 424.043565][ T8655] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 424.043567][ T8655] rtnl_newlink (net/core/rtnetlink.c:4215) [ 424.043569][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043570][ T8655] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 424.043572][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043573][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043575][ T8655] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 424.043577][ T8655] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 424.043579][ T8655] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 424.043582][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043583][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043584][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043586][ T8655] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 424.043587][ T8655] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 424.043589][ T8655] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 424.043590][ T8655] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 424.043591][ T8655] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 424.043595][ T8655] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 424.043598][ T8655] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 424.043600][ T8655] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.043601][ T8655] ? netlink_ack (./include/linux/skbuff.h:2718) [ 424.043603][ T8655] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 424.043606][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043607][ T8655] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.043609][ T8655] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 424.043611][ T8655] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 424.043613][ T8655] ? next_uptodate_folio (mm/filemap.c:3747) [ 424.043616][ T8655] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 424.043619][ T8655] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 424.043621][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043622][ T8655] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 424.043626][ T8655] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 424.043629][ T8655] ____sys_sendmsg (net/socket.c:2713) [ 424.043630][ T8655] ? copy_msghdr_from_user (net/socket.c:2650) [ 424.043632][ T8655] ? sock_write_iter (net/socket.c:1269) [ 424.043634][ T8655] ? move_addr_to_kernel (net/socket.c:258) [ 424.043636][ T8655] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 424.043638][ T8655] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.043640][ T8655] ___sys_sendmsg (net/socket.c:2767) [ 424.043642][ T8655] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 424.043643][ T8655] ? copy_msghdr_from_user (net/socket.c:2619) [ 424.043645][ T8655] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 424.043650][ T8655] __sys_sendmsg (net/socket.c:2799) [ 424.043652][ T8655] ? __sys_sendmsg_sock (net/socket.c:2780) [ 424.043654][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043655][ T8655] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.043657][ T8655] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 424.043659][ T8655] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 424.043661][ T8655] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 424.043663][ T8655] RIP: 0033:0x7fdebfab554e [ 424.043665][ T8655] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 424.043667][ T8655] RSP: 002b:00007fff2e5f0830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 424.043671][ T8655] RAX: ffffffffffffffda RBX: 00007fff2e5f0ff8 RCX: 00007fdebfab554e [ 424.043672][ T8655] RDX: 0000000000000000 RSI: 00007fff2e5f08e0 RDI: 0000000000000005 [ 424.043673][ T8655] RBP: 00007fff2e5f0840 R08: 0000000000000000 R09: 0000000000000000 [ 424.043674][ T8655] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91691f [ 424.043675][ T8655] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2e5f0fb0 | [ 425.377038][ T8724] softirqs last disabled at (0): 0x0 | [ 425.377040][ T8724] Preemption disabled at: | [ 425.377040][ T8724] vprintk_emit (kernel/printk/printk.c:2471) | [ 425.377051][ T8724] Tainted: [W]=WARN [ 425.377052][ T8724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 425.377054][ T8724] Call Trace: [ 425.377055][ T8724] [ 425.377056][ T8724] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 425.377062][ T8724] ? vprintk_emit (kernel/printk/printk.c:2471) [ 425.377064][ T8724] __might_resched.cold (kernel/sched/core.c:9234) [ 425.377067][ T8724] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 425.377071][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377073][ T8724] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 425.377076][ T8724] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 425.377079][ T8724] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 425.377084][ T8724] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 425.377086][ T8724] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 425.377089][ T8724] put_chars (drivers/char/virtio_console.c:1176) [ 425.377090][ T8724] ? __send_to_port (drivers/char/virtio_console.c:654) [ 425.377092][ T8724] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 425.377094][ T8724] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 425.377096][ T8724] ? pointer (lib/vsprintf.c:2577) [ 425.377099][ T8724] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 425.377104][ T8724] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 425.377106][ T8724] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 425.377108][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377110][ T8724] console_emit_next_record (kernel/printk/printk.c:3183) [ 425.377113][ T8724] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 425.377115][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377116][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377117][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377118][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377120][ T8724] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 425.377122][ T8724] console_flush_one_record (kernel/printk/printk.c:3268) [ 425.377124][ T8724] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 425.377127][ T8724] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 425.377129][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377130][ T8724] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 425.377132][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377133][ T8724] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.377135][ T8724] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 425.377136][ T8724] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 425.377138][ T8724] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 425.377140][ T8724] ? vprintk_emit (kernel/printk/printk.c:2478) [ 425.377141][ T8724] vprintk_emit (kernel/printk/printk.c:2479) [ 425.377143][ T8724] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 425.377144][ T8724] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 425.377147][ T8724] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 425.377150][ T8724] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 425.377152][ T8724] _printk (kernel/printk/printk.c:2504) [ 425.377155][ T8724] ? snapshot_read.cold (user.c:?) [ 425.377157][ T8724] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 425.377159][ T8724] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 425.377163][ T8724] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 425.377164][ T8724] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 425.377168][ T8724] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 425.377170][ T8724] ? netdev_notice (net/core/dev.c:13194) [ 425.377172][ T8724] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 425.377174][ T8724] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 425.377176][ T8724] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 425.377178][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377179][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377180][ T8724] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 425.377182][ T8724] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 425.377183][ T8724] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 425.377185][ T8724] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 425.377186][ T8724] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 425.377188][ T8724] ? register_netdev (net/core/dev.c:11618) [ 425.377189][ T8724] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.377191][ T8724] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 425.377194][ T8724] ? __kernel_text_address (kernel/extable.c:79) [ 425.377196][ T8724] ? write_profile (profile.c:?) [ 425.377199][ T8724] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 425.377203][ T8724] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 425.377205][ T8724] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 425.377206][ T8724] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 425.377207][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377209][ T8724] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 425.377212][ T8724] ? kasan_save_stack (mm/kasan/common.c:58) [ 425.377214][ T8724] ? kasan_save_stack (mm/kasan/common.c:57) [ 425.377215][ T8724] ? kasan_save_track (mm/kasan/common.c:78) [ 425.377216][ T8724] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 425.377217][ T8724] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 425.377218][ T8724] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 425.377219][ T8724] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 425.377221][ T8724] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 425.377224][ T8724] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 425.377225][ T8724] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 425.377227][ T8724] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 425.377229][ T8724] ? ____sys_sendmsg (net/socket.c:2713) [ 425.377231][ T8724] ? ___sys_sendmsg (net/socket.c:2767) [ 425.377232][ T8724] ? __sys_sendmsg (net/socket.c:2799) [ 425.377234][ T8724] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 425.377236][ T8724] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 425.377238][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377240][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377241][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377242][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377243][ T8724] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 425.377245][ T8724] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 425.377246][ T8724] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 425.377247][ T8724] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 425.377249][ T8724] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 425.377250][ T8724] ? nla_get_range_signed (lib/nlattr.c:270) [ 425.377253][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377255][ T8724] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 425.377257][ T8724] rtnl_newlink (net/core/rtnetlink.c:4215) [ 425.377259][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377260][ T8724] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 425.377261][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377263][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377264][ T8724] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 425.377266][ T8724] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 425.377268][ T8724] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 425.377269][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377270][ T8724] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 425.377273][ T8724] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 425.377276][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377277][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377278][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377280][ T8724] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 425.377281][ T8724] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 425.377283][ T8724] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 425.377284][ T8724] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 425.377285][ T8724] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 425.377288][ T8724] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 425.377289][ T8724] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 425.377291][ T8724] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.377292][ T8724] ? netlink_ack (./include/linux/skbuff.h:2718) [ 425.377294][ T8724] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 425.377297][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377298][ T8724] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 425.377300][ T8724] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 425.377302][ T8724] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 425.377304][ T8724] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 425.377306][ T8724] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 425.377308][ T8724] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 425.377310][ T8724] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 425.377311][ T8724] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 425.377313][ T8724] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 425.377316][ T8724] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 425.377318][ T8724] ____sys_sendmsg (net/socket.c:2713) [ 425.377319][ T8724] ? copy_msghdr_from_user (net/socket.c:2650) [ 425.377321][ T8724] ? sock_write_iter (net/socket.c:1269) [ 425.377323][ T8724] ? move_addr_to_kernel (net/socket.c:258) [ 425.377324][ T8724] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 425.377327][ T8724] ___sys_sendmsg (net/socket.c:2767) [ 425.377329][ T8724] ? copy_msghdr_from_user (net/socket.c:2619) [ 425.377333][ T8724] __sys_sendmsg (net/socket.c:2799) [ 425.377335][ T8724] ? __sys_sendmsg_sock (net/socket.c:2780) [ 425.377338][ T8724] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 425.377340][ T8724] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 425.377342][ T8724] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 425.377344][ T8724] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 425.377346][ T8724] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 425.377347][ T8724] RIP: 0033:0x7ffa0052554e [ 425.377349][ T8724] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 425.377351][ T8724] RSP: 002b:00007fff9e6cfad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 425.377354][ T8724] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ffa0052554e [ 425.377356][ T8724] RDX: 0000000000000000 RSI: 00007fff9e6cfb80 RDI: 0000000000000005 [ 425.377357][ T8724] RBP: 00007fff9e6cfae0 R08: 0000000000000000 R09: 0000000000000000 [ 425.377358][ T8724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916920 [ 425.377359][ T8724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9e6d0240 | [ 426.441363][ T8774] softirqs last disabled at (0): 0x0 | [ 426.441365][ T8774] Preemption disabled at: | [ 426.441366][ T8774] vprintk_emit (kernel/printk/printk.c:2471) | [ 426.441376][ T8774] Tainted: [W]=WARN [ 426.441377][ T8774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 426.441378][ T8774] Call Trace: [ 426.441380][ T8774] [ 426.441381][ T8774] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 426.441386][ T8774] ? vprintk_emit (kernel/printk/printk.c:2471) [ 426.441388][ T8774] __might_resched.cold (kernel/sched/core.c:9234) [ 426.441392][ T8774] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 426.441394][ T8774] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 426.441397][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441400][ T8774] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 426.441403][ T8774] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.441406][ T8774] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 426.441412][ T8774] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 426.441414][ T8774] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 426.441416][ T8774] put_chars (drivers/char/virtio_console.c:1176) [ 426.441418][ T8774] ? __send_to_port (drivers/char/virtio_console.c:654) [ 426.441420][ T8774] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 426.441423][ T8774] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 426.441427][ T8774] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 426.441429][ T8774] ? vsnprintf (lib/vsprintf.c:2900) [ 426.441432][ T8774] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.441434][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441435][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441437][ T8774] console_emit_next_record (kernel/printk/printk.c:3183) [ 426.441440][ T8774] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 426.441442][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441443][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441445][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441446][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441448][ T8774] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 426.441450][ T8774] console_flush_one_record (kernel/printk/printk.c:3268) [ 426.441453][ T8774] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 426.441456][ T8774] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 426.441458][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441459][ T8774] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 426.441461][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441462][ T8774] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.441464][ T8774] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 426.441465][ T8774] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 426.441467][ T8774] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 426.441469][ T8774] ? vprintk_emit (kernel/printk/printk.c:2478) [ 426.441470][ T8774] vprintk_emit (kernel/printk/printk.c:2479) [ 426.441472][ T8774] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 426.441473][ T8774] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 426.441475][ T8774] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 426.441478][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441479][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441481][ T8774] _printk (kernel/printk/printk.c:2504) [ 426.441484][ T8774] ? snapshot_read.cold (user.c:?) [ 426.441486][ T8774] ? br_multicast_flood (??:?) [ 426.441490][ T8774] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 426.441492][ T8774] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 426.441494][ T8774] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 426.441495][ T8774] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 426.441498][ T8774] br_init_port (net/bridge/br_stp_if.c:39) [ 426.441500][ T8774] new_nbp (net/bridge/br_if.c:449) [ 426.441502][ T8774] br_add_if (net/bridge/br_if.c:592) [ 426.441504][ T8774] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 426.441508][ T8774] do_set_master (net/core/rtnetlink.c:3071) [ 426.441510][ T8774] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 426.441512][ T8774] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 426.441514][ T8774] ? __dev_get_by_name (net/core/dev.c:905) [ 426.441516][ T8774] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 426.441519][ T8774] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 426.441522][ T8774] rtnl_newlink (net/core/rtnetlink.c:4215) [ 426.441524][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441526][ T8774] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 426.441527][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441529][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441530][ T8774] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 426.441533][ T8774] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 426.441535][ T8774] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 426.441537][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441539][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441540][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441541][ T8774] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 426.441543][ T8774] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 426.441545][ T8774] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 426.441546][ T8774] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 426.441547][ T8774] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 426.441551][ T8774] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 426.441554][ T8774] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 426.441556][ T8774] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.441557][ T8774] ? netlink_ack (./include/linux/skbuff.h:2718) [ 426.441559][ T8774] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 426.441562][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441563][ T8774] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 426.441566][ T8774] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 426.441568][ T8774] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 426.441570][ T8774] ? next_uptodate_folio (mm/filemap.c:3747) [ 426.441573][ T8774] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 426.441575][ T8774] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 426.441577][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441579][ T8774] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 426.441583][ T8774] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 426.441586][ T8774] ____sys_sendmsg (net/socket.c:2713) [ 426.441587][ T8774] ? copy_msghdr_from_user (net/socket.c:2650) [ 426.441589][ T8774] ? sock_write_iter (net/socket.c:1269) [ 426.441591][ T8774] ? move_addr_to_kernel (net/socket.c:258) [ 426.441593][ T8774] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 426.441595][ T8774] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 426.441597][ T8774] ___sys_sendmsg (net/socket.c:2767) [ 426.441599][ T8774] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 426.441601][ T8774] ? copy_msghdr_from_user (net/socket.c:2619) [ 426.441603][ T8774] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 426.441607][ T8774] __sys_sendmsg (net/socket.c:2799) [ 426.441610][ T8774] ? __sys_sendmsg_sock (net/socket.c:2780) [ 426.441612][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441614][ T8774] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 426.441615][ T8774] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 426.441618][ T8774] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 426.441620][ T8774] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 426.441622][ T8774] RIP: 0033:0x7fb77cac854e [ 426.441624][ T8774] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 426.441625][ T8774] RSP: 002b:00007ffc2a425700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 426.441629][ T8774] RAX: ffffffffffffffda RBX: 00007ffc2a425ec8 RCX: 00007fb77cac854e [ 426.441631][ T8774] RDX: 0000000000000000 RSI: 00007ffc2a4257b0 RDI: 0000000000000005 [ 426.441632][ T8774] RBP: 00007ffc2a425710 R08: 0000000000000000 R09: 0000000000000000 [ 426.441632][ T8774] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916921 [ 426.441633][ T8774] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2a425e80 | [ 434.179804][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 434.179807][ T12] Preemption disabled at: | [ 434.179808][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 434.179818][ T12] Tainted: [W]=WARN [ 434.179819][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 434.179820][ T12] Workqueue: netns cleanup_net [ 434.179826][ T12] Call Trace: [ 434.179828][ T12] [ 434.179829][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 434.179835][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 434.179841][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 434.179845][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 434.179847][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 434.179850][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179853][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 434.179856][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.179860][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 434.179866][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 434.179868][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 434.179872][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 434.179875][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 434.179877][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 434.179881][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 434.179885][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 434.179887][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 434.179889][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.179891][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179892][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179894][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 434.179897][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 434.179899][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179900][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179901][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179902][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.179905][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 434.179907][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 434.179909][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 434.179912][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 434.179914][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.179915][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 434.179923][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179924][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.179926][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 434.179928][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 434.179929][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 434.179931][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 434.179933][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 434.179934][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 434.179935][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 434.179937][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 434.179940][ T12] ? kthread (kernel/kthread.c:436) [ 434.179942][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 434.179945][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 434.179947][ T12] _printk (kernel/printk/printk.c:2504) [ 434.179950][ T12] ? snapshot_read.cold (user.c:?) [ 434.179953][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 434.179956][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 434.179958][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 434.179960][ T12] ? netdev_notice (net/core/dev.c:13194) [ 434.179963][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179964][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 434.179965][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 434.179968][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 434.179970][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 434.179971][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 434.179973][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 434.179976][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 434.179980][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 434.179982][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 434.179984][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 434.179987][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 434.179989][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 434.179992][ T12] cleanup_net (net/core/net_namespace.c:706) [ 434.179994][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 434.179996][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.179998][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.179999][ T12] process_one_work (kernel/workqueue.c:3387) [ 434.180003][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 434.180005][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.180008][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 434.180011][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 434.180013][ T12] kthread (kernel/kthread.c:436) [ 434.180014][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 434.180016][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 434.180018][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 434.180020][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 434.180022][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 434.180024][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 434.180027][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 435.335519][ T8992] softirqs last disabled at (0): 0x0 | [ 435.335521][ T8992] Preemption disabled at: | [ 435.335521][ T8992] vprintk_emit (kernel/printk/printk.c:2471) | [ 435.335532][ T8992] Tainted: [W]=WARN [ 435.335533][ T8992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 435.335535][ T8992] Call Trace: [ 435.335536][ T8992] [ 435.335538][ T8992] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 435.335544][ T8992] ? vprintk_emit (kernel/printk/printk.c:2471) [ 435.335545][ T8992] __might_resched.cold (kernel/sched/core.c:9234) [ 435.335549][ T8992] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 435.335551][ T8992] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 435.335554][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335557][ T8992] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 435.335559][ T8992] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 435.335562][ T8992] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 435.335568][ T8992] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 435.335569][ T8992] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 435.335572][ T8992] put_chars (drivers/char/virtio_console.c:1176) [ 435.335573][ T8992] ? __send_to_port (drivers/char/virtio_console.c:654) [ 435.335575][ T8992] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 435.335578][ T8992] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 435.335582][ T8992] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 435.335584][ T8992] ? vsnprintf (lib/vsprintf.c:2900) [ 435.335587][ T8992] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 435.335589][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335590][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335592][ T8992] console_emit_next_record (kernel/printk/printk.c:3183) [ 435.335594][ T8992] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 435.335596][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335597][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335598][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335599][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335602][ T8992] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 435.335603][ T8992] console_flush_one_record (kernel/printk/printk.c:3268) [ 435.335606][ T8992] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 435.335609][ T8992] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 435.335610][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335612][ T8992] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 435.335614][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335615][ T8992] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 435.335616][ T8992] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 435.335618][ T8992] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 435.335619][ T8992] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 435.335621][ T8992] ? vprintk_emit (kernel/printk/printk.c:2478) [ 435.335623][ T8992] vprintk_emit (kernel/printk/printk.c:2479) [ 435.335624][ T8992] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 435.335626][ T8992] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 435.335627][ T8992] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 435.335630][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335632][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335633][ T8992] _printk (kernel/printk/printk.c:2504) [ 435.335636][ T8992] ? snapshot_read.cold (user.c:?) [ 435.335638][ T8992] ? br_multicast_flood (??:?) [ 435.335642][ T8992] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 435.335644][ T8992] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 435.335645][ T8992] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 435.335647][ T8992] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 435.335650][ T8992] br_init_port (net/bridge/br_stp_if.c:39) [ 435.335651][ T8992] new_nbp (net/bridge/br_if.c:449) [ 435.335654][ T8992] br_add_if (net/bridge/br_if.c:592) [ 435.335655][ T8992] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 435.335660][ T8992] do_set_master (net/core/rtnetlink.c:3071) [ 435.335661][ T8992] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 435.335663][ T8992] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 435.335664][ T8992] ? __dev_get_by_name (net/core/dev.c:905) [ 435.335666][ T8992] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 435.335670][ T8992] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 435.335673][ T8992] rtnl_newlink (net/core/rtnetlink.c:4215) [ 435.335675][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335676][ T8992] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 435.335677][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335678][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335680][ T8992] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 435.335682][ T8992] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 435.335684][ T8992] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 435.335686][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335688][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335689][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335690][ T8992] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 435.335692][ T8992] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 435.335693][ T8992] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 435.335695][ T8992] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 435.335696][ T8992] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 435.335700][ T8992] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 435.335703][ T8992] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 435.335704][ T8992] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 435.335706][ T8992] ? netlink_ack (./include/linux/skbuff.h:2718) [ 435.335707][ T8992] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 435.335710][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335711][ T8992] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 435.335713][ T8992] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 435.335715][ T8992] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 435.335717][ T8992] ? next_uptodate_folio (mm/filemap.c:3747) [ 435.335720][ T8992] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 435.335722][ T8992] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 435.335724][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335726][ T8992] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 435.335729][ T8992] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 435.335732][ T8992] ____sys_sendmsg (net/socket.c:2713) [ 435.335734][ T8992] ? copy_msghdr_from_user (net/socket.c:2650) [ 435.335736][ T8992] ? sock_write_iter (net/socket.c:1269) [ 435.335737][ T8992] ? move_addr_to_kernel (net/socket.c:258) [ 435.335739][ T8992] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 435.335742][ T8992] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 435.335743][ T8992] ___sys_sendmsg (net/socket.c:2767) [ 435.335745][ T8992] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 435.335747][ T8992] ? copy_msghdr_from_user (net/socket.c:2619) [ 435.335748][ T8992] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 435.335753][ T8992] __sys_sendmsg (net/socket.c:2799) [ 435.335755][ T8992] ? __sys_sendmsg_sock (net/socket.c:2780) [ 435.335758][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335759][ T8992] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 435.335760][ T8992] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 435.335763][ T8992] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 435.335765][ T8992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 435.335766][ T8992] RIP: 0033:0x7f5dbe19a54e [ 435.335768][ T8992] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 435.335770][ T8992] RSP: 002b:00007ffcadda8f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 435.335774][ T8992] RAX: ffffffffffffffda RBX: 00007ffcadda96e8 RCX: 00007f5dbe19a54e [ 435.335775][ T8992] RDX: 0000000000000000 RSI: 00007ffcadda8fd0 RDI: 0000000000000005 [ 435.335776][ T8992] RBP: 00007ffcadda8f30 R08: 0000000000000000 R09: 0000000000000000 [ 435.335777][ T8992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91692a [ 435.335778][ T8992] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcadda96a0 | [ 436.638456][ T9061] softirqs last disabled at (0): 0x0 | [ 436.638458][ T9061] Preemption disabled at: | [ 436.638459][ T9061] vprintk_emit (kernel/printk/printk.c:2471) | [ 436.638468][ T9061] Tainted: [W]=WARN [ 436.638470][ T9061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 436.638471][ T9061] Call Trace: [ 436.638473][ T9061] [ 436.638474][ T9061] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 436.638480][ T9061] ? vprintk_emit (kernel/printk/printk.c:2471) [ 436.638482][ T9061] __might_resched.cold (kernel/sched/core.c:9234) [ 436.638486][ T9061] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 436.638489][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638492][ T9061] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 436.638495][ T9061] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 436.638497][ T9061] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 436.638503][ T9061] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 436.638504][ T9061] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 436.638507][ T9061] put_chars (drivers/char/virtio_console.c:1176) [ 436.638509][ T9061] ? __send_to_port (drivers/char/virtio_console.c:654) [ 436.638510][ T9061] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 436.638512][ T9061] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 436.638514][ T9061] ? pointer (lib/vsprintf.c:2577) [ 436.638518][ T9061] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 436.638522][ T9061] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 436.638524][ T9061] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 436.638526][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638531][ T9061] console_emit_next_record (kernel/printk/printk.c:3183) [ 436.638534][ T9061] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 436.638536][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638537][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638538][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638540][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638542][ T9061] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 436.638543][ T9061] console_flush_one_record (kernel/printk/printk.c:3268) [ 436.638546][ T9061] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 436.638549][ T9061] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 436.638550][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638552][ T9061] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 436.638554][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638555][ T9061] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.638557][ T9061] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 436.638558][ T9061] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 436.638560][ T9061] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 436.638562][ T9061] ? vprintk_emit (kernel/printk/printk.c:2478) [ 436.638563][ T9061] vprintk_emit (kernel/printk/printk.c:2479) [ 436.638565][ T9061] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 436.638566][ T9061] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 436.638568][ T9061] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 436.638571][ T9061] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 436.638574][ T9061] _printk (kernel/printk/printk.c:2504) [ 436.638577][ T9061] ? snapshot_read.cold (user.c:?) [ 436.638578][ T9061] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 436.638581][ T9061] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 436.638584][ T9061] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 436.638585][ T9061] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 436.638589][ T9061] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 436.638591][ T9061] ? netdev_notice (net/core/dev.c:13194) [ 436.638593][ T9061] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 436.638595][ T9061] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 436.638597][ T9061] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 436.638599][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638600][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638601][ T9061] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 436.638602][ T9061] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 436.638604][ T9061] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 436.638605][ T9061] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 436.638606][ T9061] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 436.638608][ T9061] ? register_netdev (net/core/dev.c:11618) [ 436.638609][ T9061] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.638612][ T9061] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 436.638614][ T9061] ? __kernel_text_address (kernel/extable.c:79) [ 436.638616][ T9061] ? write_profile (profile.c:?) [ 436.638620][ T9061] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 436.638623][ T9061] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 436.638625][ T9061] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 436.638627][ T9061] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 436.638628][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638629][ T9061] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 436.638632][ T9061] ? kasan_save_stack (mm/kasan/common.c:58) [ 436.638634][ T9061] ? kasan_save_stack (mm/kasan/common.c:57) [ 436.638636][ T9061] ? kasan_save_track (mm/kasan/common.c:78) [ 436.638637][ T9061] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 436.638638][ T9061] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 436.638639][ T9061] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 436.638640][ T9061] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 436.638641][ T9061] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 436.638644][ T9061] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 436.638645][ T9061] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 436.638647][ T9061] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 436.638650][ T9061] ? ____sys_sendmsg (net/socket.c:2713) [ 436.638651][ T9061] ? ___sys_sendmsg (net/socket.c:2767) [ 436.638652][ T9061] ? __sys_sendmsg (net/socket.c:2799) [ 436.638654][ T9061] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 436.638656][ T9061] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 436.638659][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638660][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638661][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638662][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638664][ T9061] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 436.638665][ T9061] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 436.638667][ T9061] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 436.638668][ T9061] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 436.638669][ T9061] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 436.638670][ T9061] ? nla_get_range_signed (lib/nlattr.c:270) [ 436.638674][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638675][ T9061] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 436.638677][ T9061] rtnl_newlink (net/core/rtnetlink.c:4215) [ 436.638679][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638680][ T9061] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 436.638681][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638683][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638684][ T9061] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 436.638687][ T9061] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 436.638688][ T9061] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 436.638689][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638691][ T9061] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 436.638694][ T9061] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 436.638696][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638697][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638699][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638700][ T9061] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 436.638701][ T9061] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 436.638703][ T9061] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 436.638704][ T9061] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 436.638706][ T9061] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 436.638708][ T9061] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 436.638710][ T9061] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 436.638711][ T9061] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.638713][ T9061] ? netlink_ack (./include/linux/skbuff.h:2718) [ 436.638715][ T9061] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 436.638718][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638719][ T9061] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 436.638721][ T9061] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 436.638723][ T9061] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 436.638725][ T9061] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 436.638727][ T9061] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 436.638729][ T9061] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 436.638730][ T9061] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 436.638732][ T9061] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 436.638733][ T9061] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 436.638737][ T9061] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 436.638739][ T9061] ____sys_sendmsg (net/socket.c:2713) [ 436.638740][ T9061] ? copy_msghdr_from_user (net/socket.c:2650) [ 436.638742][ T9061] ? sock_write_iter (net/socket.c:1269) [ 436.638743][ T9061] ? move_addr_to_kernel (net/socket.c:258) [ 436.638745][ T9061] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 436.638747][ T9061] ___sys_sendmsg (net/socket.c:2767) [ 436.638749][ T9061] ? copy_msghdr_from_user (net/socket.c:2619) [ 436.638754][ T9061] __sys_sendmsg (net/socket.c:2799) [ 436.638756][ T9061] ? __sys_sendmsg_sock (net/socket.c:2780) [ 436.638759][ T9061] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 436.638760][ T9061] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 436.638762][ T9061] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 436.638764][ T9061] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 436.638765][ T9061] RIP: 0033:0x7f61ca37454e [ 436.638768][ T9061] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 436.638770][ T9061] RSP: 002b:00007ffc95ada050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 436.638773][ T9061] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f61ca37454e [ 436.638774][ T9061] RDX: 0000000000000000 RSI: 00007ffc95ada100 RDI: 0000000000000005 [ 436.638775][ T9061] RBP: 00007ffc95ada060 R08: 0000000000000000 R09: 0000000000000000 [ 436.638776][ T9061] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91692c [ 436.638777][ T9061] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95ada7c0 | [ 437.690531][ T9111] softirqs last disabled at (0): 0x0 | [ 437.690533][ T9111] Preemption disabled at: | [ 437.690533][ T9111] vprintk_emit (kernel/printk/printk.c:2471) | [ 437.690544][ T9111] Tainted: [W]=WARN [ 437.690545][ T9111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 437.690546][ T9111] Call Trace: [ 437.690548][ T9111] [ 437.690549][ T9111] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 437.690555][ T9111] ? vprintk_emit (kernel/printk/printk.c:2471) [ 437.690557][ T9111] __might_resched.cold (kernel/sched/core.c:9234) [ 437.690561][ T9111] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 437.690563][ T9111] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 437.690566][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690569][ T9111] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 437.690572][ T9111] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 437.690575][ T9111] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 437.690581][ T9111] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 437.690582][ T9111] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 437.690585][ T9111] put_chars (drivers/char/virtio_console.c:1176) [ 437.690586][ T9111] ? __send_to_port (drivers/char/virtio_console.c:654) [ 437.690588][ T9111] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 437.690591][ T9111] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 437.690596][ T9111] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 437.690597][ T9111] ? vsnprintf (lib/vsprintf.c:2900) [ 437.690601][ T9111] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 437.690602][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690603][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690605][ T9111] console_emit_next_record (kernel/printk/printk.c:3183) [ 437.690608][ T9111] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 437.690610][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690611][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690612][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690613][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690615][ T9111] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 437.690617][ T9111] console_flush_one_record (kernel/printk/printk.c:3268) [ 437.690620][ T9111] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 437.690622][ T9111] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 437.690624][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690626][ T9111] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 437.690628][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690629][ T9111] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 437.690630][ T9111] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 437.690632][ T9111] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 437.690634][ T9111] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 437.690635][ T9111] ? vprintk_emit (kernel/printk/printk.c:2478) [ 437.690637][ T9111] vprintk_emit (kernel/printk/printk.c:2479) [ 437.690639][ T9111] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 437.690640][ T9111] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 437.690642][ T9111] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 437.690645][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690646][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690648][ T9111] _printk (kernel/printk/printk.c:2504) [ 437.690651][ T9111] ? snapshot_read.cold (user.c:?) [ 437.690653][ T9111] ? br_multicast_flood (??:?) [ 437.690657][ T9111] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 437.690660][ T9111] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 437.690661][ T9111] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 437.690663][ T9111] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 437.690665][ T9111] br_init_port (net/bridge/br_stp_if.c:39) [ 437.690667][ T9111] new_nbp (net/bridge/br_if.c:449) [ 437.690670][ T9111] br_add_if (net/bridge/br_if.c:592) [ 437.690671][ T9111] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 437.690675][ T9111] do_set_master (net/core/rtnetlink.c:3071) [ 437.690677][ T9111] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 437.690679][ T9111] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 437.690680][ T9111] ? __dev_get_by_name (net/core/dev.c:905) [ 437.690682][ T9111] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 437.690686][ T9111] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 437.690689][ T9111] rtnl_newlink (net/core/rtnetlink.c:4215) [ 437.690691][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690692][ T9111] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 437.690693][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690695][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690696][ T9111] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 437.690699][ T9111] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 437.690701][ T9111] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 437.690703][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690705][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690706][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690707][ T9111] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 437.690709][ T9111] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 437.690710][ T9111] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 437.690712][ T9111] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 437.690713][ T9111] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 437.690717][ T9111] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 437.690720][ T9111] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 437.690722][ T9111] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 437.690723][ T9111] ? netlink_ack (./include/linux/skbuff.h:2718) [ 437.690725][ T9111] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 437.690728][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690729][ T9111] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 437.690731][ T9111] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 437.690734][ T9111] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 437.690736][ T9111] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 437.690738][ T9111] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 437.690741][ T9111] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 437.690744][ T9111] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 437.690746][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690747][ T9111] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 437.690751][ T9111] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 437.690753][ T9111] ____sys_sendmsg (net/socket.c:2713) [ 437.690755][ T9111] ? copy_msghdr_from_user (net/socket.c:2650) [ 437.690757][ T9111] ? sock_write_iter (net/socket.c:1269) [ 437.690758][ T9111] ? move_addr_to_kernel (net/socket.c:258) [ 437.690761][ T9111] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 437.690763][ T9111] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 437.690765][ T9111] ___sys_sendmsg (net/socket.c:2767) [ 437.690767][ T9111] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 437.690768][ T9111] ? copy_msghdr_from_user (net/socket.c:2619) [ 437.690770][ T9111] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 437.690774][ T9111] __sys_sendmsg (net/socket.c:2799) [ 437.690777][ T9111] ? __sys_sendmsg_sock (net/socket.c:2780) [ 437.690779][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690780][ T9111] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 437.690782][ T9111] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 437.690784][ T9111] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 437.690786][ T9111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 437.690788][ T9111] RIP: 0033:0x7f980309554e [ 437.690790][ T9111] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 437.690792][ T9111] RSP: 002b:00007fff33a57dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 437.690795][ T9111] RAX: ffffffffffffffda RBX: 00007fff33a58588 RCX: 00007f980309554e [ 437.690797][ T9111] RDX: 0000000000000000 RSI: 00007fff33a57e70 RDI: 0000000000000005 [ 437.690798][ T9111] RBP: 00007fff33a57dd0 R08: 0000000000000000 R09: 0000000000000000 [ 437.690799][ T9111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91692d [ 437.690800][ T9111] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff33a58540 | [ 445.592644][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 445.592647][ T12] Preemption disabled at: | [ 445.592647][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 445.592658][ T12] Tainted: [W]=WARN [ 445.592659][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 445.592661][ T12] Workqueue: netns cleanup_net [ 445.592666][ T12] Call Trace: [ 445.592668][ T12] [ 445.592670][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 445.592676][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 445.592677][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 445.592681][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 445.592683][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 445.592686][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592689][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 445.592692][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 445.592695][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 445.592699][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 445.592701][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 445.592704][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 445.592705][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 445.592707][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 445.592710][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 445.592714][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 445.592716][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 445.592718][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 445.592720][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592721][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592723][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 445.592726][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 445.592728][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592729][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592730][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592731][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.592733][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 445.592735][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 445.592737][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 445.592740][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 445.592742][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.592744][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 445.592746][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592747][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 445.592748][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 445.592750][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 445.592751][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 445.592753][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 445.592755][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 445.592756][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 445.592757][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 445.592759][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 445.592762][ T12] ? kthread (kernel/kthread.c:436) [ 445.592764][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 445.592767][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 445.592769][ T12] _printk (kernel/printk/printk.c:2504) [ 445.592773][ T12] ? snapshot_read.cold (user.c:?) [ 445.592775][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 445.592778][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 445.592780][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 445.592782][ T12] ? netdev_notice (net/core/dev.c:13194) [ 445.592785][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592786][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 445.592787][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 445.592790][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 445.592792][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 445.592793][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 445.592795][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 445.592798][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 445.592802][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 445.592804][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 445.592806][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 445.592809][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 445.592810][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 445.592813][ T12] cleanup_net (net/core/net_namespace.c:706) [ 445.592815][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 445.592817][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 445.592819][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.592821][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.592823][ T12] process_one_work (kernel/workqueue.c:3387) [ 445.592825][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 445.592828][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 445.592830][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 445.592833][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 445.592835][ T12] kthread (kernel/kthread.c:436) [ 445.592837][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 445.592842][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 445.592844][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 445.592846][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 445.592849][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 445.592852][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 445.592854][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 446.807272][ T9329] softirqs last disabled at (0): 0x0 | [ 446.807274][ T9329] Preemption disabled at: | [ 446.807275][ T9329] vprintk_emit (kernel/printk/printk.c:2471) | [ 446.807285][ T9329] Tainted: [W]=WARN [ 446.807286][ T9329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 446.807287][ T9329] Call Trace: [ 446.807289][ T9329] [ 446.807291][ T9329] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 446.807296][ T9329] ? vprintk_emit (kernel/printk/printk.c:2471) [ 446.807298][ T9329] __might_resched.cold (kernel/sched/core.c:9234) [ 446.807302][ T9329] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 446.807304][ T9329] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 446.807307][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807309][ T9329] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 446.807312][ T9329] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 446.807315][ T9329] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 446.807320][ T9329] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 446.807322][ T9329] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 446.807324][ T9329] put_chars (drivers/char/virtio_console.c:1176) [ 446.807326][ T9329] ? __send_to_port (drivers/char/virtio_console.c:654) [ 446.807328][ T9329] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 446.807331][ T9329] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 446.807335][ T9329] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 446.807337][ T9329] ? vsnprintf (lib/vsprintf.c:2900) [ 446.807340][ T9329] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 446.807342][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807343][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807345][ T9329] console_emit_next_record (kernel/printk/printk.c:3183) [ 446.807348][ T9329] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 446.807350][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807351][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807352][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807353][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807355][ T9329] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 446.807357][ T9329] console_flush_one_record (kernel/printk/printk.c:3268) [ 446.807359][ T9329] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 446.807362][ T9329] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 446.807364][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807366][ T9329] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 446.807367][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807368][ T9329] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 446.807370][ T9329] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 446.807371][ T9329] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 446.807373][ T9329] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 446.807374][ T9329] ? vprintk_emit (kernel/printk/printk.c:2478) [ 446.807376][ T9329] vprintk_emit (kernel/printk/printk.c:2479) [ 446.807378][ T9329] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 446.807379][ T9329] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 446.807380][ T9329] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 446.807383][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807385][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807386][ T9329] _printk (kernel/printk/printk.c:2504) [ 446.807389][ T9329] ? snapshot_read.cold (user.c:?) [ 446.807391][ T9329] ? br_multicast_flood (??:?) [ 446.807395][ T9329] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 446.807398][ T9329] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 446.807399][ T9329] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 446.807401][ T9329] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 446.807403][ T9329] br_init_port (net/bridge/br_stp_if.c:39) [ 446.807405][ T9329] new_nbp (net/bridge/br_if.c:449) [ 446.807407][ T9329] br_add_if (net/bridge/br_if.c:592) [ 446.807409][ T9329] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 446.807413][ T9329] do_set_master (net/core/rtnetlink.c:3071) [ 446.807415][ T9329] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 446.807417][ T9329] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 446.807418][ T9329] ? __dev_get_by_name (net/core/dev.c:905) [ 446.807420][ T9329] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 446.807424][ T9329] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 446.807427][ T9329] rtnl_newlink (net/core/rtnetlink.c:4215) [ 446.807429][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807430][ T9329] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 446.807431][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807433][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807434][ T9329] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 446.807436][ T9329] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 446.807438][ T9329] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 446.807441][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807442][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807443][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807444][ T9329] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 446.807446][ T9329] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 446.807448][ T9329] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 446.807449][ T9329] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 446.807450][ T9329] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 446.807454][ T9329] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 446.807457][ T9329] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 446.807458][ T9329] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 446.807460][ T9329] ? netlink_ack (./include/linux/skbuff.h:2718) [ 446.807461][ T9329] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 446.807464][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807466][ T9329] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 446.807468][ T9329] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 446.807470][ T9329] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 446.807472][ T9329] ? next_uptodate_folio (mm/filemap.c:3747) [ 446.807475][ T9329] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 446.807477][ T9329] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 446.807479][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807481][ T9329] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 446.807484][ T9329] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 446.807487][ T9329] ____sys_sendmsg (net/socket.c:2713) [ 446.807489][ T9329] ? copy_msghdr_from_user (net/socket.c:2650) [ 446.807490][ T9329] ? sock_write_iter (net/socket.c:1269) [ 446.807492][ T9329] ? move_addr_to_kernel (net/socket.c:258) [ 446.807494][ T9329] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 446.807497][ T9329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.807498][ T9329] ___sys_sendmsg (net/socket.c:2767) [ 446.807500][ T9329] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 446.807502][ T9329] ? copy_msghdr_from_user (net/socket.c:2619) [ 446.807503][ T9329] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 446.807508][ T9329] __sys_sendmsg (net/socket.c:2799) [ 446.807510][ T9329] ? __sys_sendmsg_sock (net/socket.c:2780) [ 446.807513][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807514][ T9329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.807516][ T9329] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 446.807518][ T9329] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 446.807520][ T9329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 446.807522][ T9329] RIP: 0033:0x7f62d68fd54e [ 446.807524][ T9329] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 446.807526][ T9329] RSP: 002b:00007ffcc9cb9530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 446.807530][ T9329] RAX: ffffffffffffffda RBX: 00007ffcc9cb9cf8 RCX: 00007f62d68fd54e [ 446.807531][ T9329] RDX: 0000000000000000 RSI: 00007ffcc9cb95e0 RDI: 0000000000000005 [ 446.807532][ T9329] RBP: 00007ffcc9cb9540 R08: 0000000000000000 R09: 0000000000000000 [ 446.807533][ T9329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916936 [ 446.807534][ T9329] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc9cb9cb0 | [ 448.094937][ T9396] softirqs last disabled at (0): 0x0 | [ 448.094939][ T9396] Preemption disabled at: | [ 448.094940][ T9396] vprintk_emit (kernel/printk/printk.c:2471) | [ 448.094954][ T9396] Tainted: [W]=WARN [ 448.094955][ T9396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 448.094957][ T9396] Call Trace: [ 448.094959][ T9396] [ 448.094960][ T9396] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 448.094966][ T9396] ? vprintk_emit (kernel/printk/printk.c:2471) [ 448.094967][ T9396] __might_resched.cold (kernel/sched/core.c:9234) [ 448.094971][ T9396] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 448.094975][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.094977][ T9396] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 448.094980][ T9396] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 448.094984][ T9396] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 448.094989][ T9396] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 448.094990][ T9396] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 448.094993][ T9396] put_chars (drivers/char/virtio_console.c:1176) [ 448.094995][ T9396] ? __send_to_port (drivers/char/virtio_console.c:654) [ 448.094996][ T9396] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 448.094999][ T9396] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 448.095001][ T9396] ? pointer (lib/vsprintf.c:2577) [ 448.095004][ T9396] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 448.095009][ T9396] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 448.095011][ T9396] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 448.095013][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095015][ T9396] console_emit_next_record (kernel/printk/printk.c:3183) [ 448.095018][ T9396] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 448.095020][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095022][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095023][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095024][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095026][ T9396] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 448.095028][ T9396] console_flush_one_record (kernel/printk/printk.c:3268) [ 448.095030][ T9396] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 448.095033][ T9396] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 448.095035][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095036][ T9396] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 448.095038][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095039][ T9396] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.095040][ T9396] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 448.095042][ T9396] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 448.095043][ T9396] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 448.095045][ T9396] ? vprintk_emit (kernel/printk/printk.c:2478) [ 448.095047][ T9396] vprintk_emit (kernel/printk/printk.c:2479) [ 448.095049][ T9396] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 448.095050][ T9396] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 448.095052][ T9396] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 448.095055][ T9396] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 448.095058][ T9396] _printk (kernel/printk/printk.c:2504) [ 448.095060][ T9396] ? snapshot_read.cold (user.c:?) [ 448.095062][ T9396] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 448.095065][ T9396] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 448.095068][ T9396] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 448.095070][ T9396] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 448.095073][ T9396] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 448.095075][ T9396] ? netdev_notice (net/core/dev.c:13194) [ 448.095077][ T9396] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 448.095079][ T9396] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 448.095082][ T9396] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 448.095083][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095084][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095085][ T9396] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 448.095087][ T9396] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 448.095088][ T9396] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 448.095090][ T9396] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 448.095091][ T9396] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 448.095093][ T9396] ? register_netdev (net/core/dev.c:11618) [ 448.095094][ T9396] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.095096][ T9396] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 448.095099][ T9396] ? __kernel_text_address (kernel/extable.c:79) [ 448.095102][ T9396] ? write_profile (profile.c:?) [ 448.095104][ T9396] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 448.095108][ T9396] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 448.095110][ T9396] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 448.095111][ T9396] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 448.095113][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095114][ T9396] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 448.095117][ T9396] ? kasan_save_stack (mm/kasan/common.c:58) [ 448.095119][ T9396] ? kasan_save_stack (mm/kasan/common.c:57) [ 448.095120][ T9396] ? kasan_save_track (mm/kasan/common.c:78) [ 448.095121][ T9396] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 448.095122][ T9396] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 448.095124][ T9396] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 448.095125][ T9396] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 448.095126][ T9396] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 448.095129][ T9396] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 448.095130][ T9396] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 448.095132][ T9396] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 448.095134][ T9396] ? ____sys_sendmsg (net/socket.c:2713) [ 448.095136][ T9396] ? ___sys_sendmsg (net/socket.c:2767) [ 448.095137][ T9396] ? __sys_sendmsg (net/socket.c:2799) [ 448.095139][ T9396] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 448.095141][ T9396] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 448.095144][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095145][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095147][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095148][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095149][ T9396] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 448.095150][ T9396] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 448.095151][ T9396] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 448.095153][ T9396] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 448.095154][ T9396] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 448.095155][ T9396] ? nla_get_range_signed (lib/nlattr.c:270) [ 448.095159][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095160][ T9396] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 448.095163][ T9396] rtnl_newlink (net/core/rtnetlink.c:4215) [ 448.095164][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095166][ T9396] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 448.095167][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095168][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095170][ T9396] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 448.095172][ T9396] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 448.095174][ T9396] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 448.095175][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095176][ T9396] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 448.095180][ T9396] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 448.095182][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095183][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095185][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095186][ T9396] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 448.095187][ T9396] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 448.095189][ T9396] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 448.095190][ T9396] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 448.095192][ T9396] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 448.095194][ T9396] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 448.095196][ T9396] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 448.095197][ T9396] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.095199][ T9396] ? netlink_ack (./include/linux/skbuff.h:2718) [ 448.095201][ T9396] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 448.095204][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095205][ T9396] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 448.095207][ T9396] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 448.095209][ T9396] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 448.095211][ T9396] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 448.095213][ T9396] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 448.095215][ T9396] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 448.095217][ T9396] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 448.095219][ T9396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 448.095220][ T9396] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 448.095223][ T9396] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 448.095225][ T9396] ____sys_sendmsg (net/socket.c:2713) [ 448.095227][ T9396] ? copy_msghdr_from_user (net/socket.c:2650) [ 448.095228][ T9396] ? sock_write_iter (net/socket.c:1269) [ 448.095230][ T9396] ? move_addr_to_kernel (net/socket.c:258) [ 448.095231][ T9396] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 448.095234][ T9396] ___sys_sendmsg (net/socket.c:2767) [ 448.095236][ T9396] ? copy_msghdr_from_user (net/socket.c:2619) [ 448.095241][ T9396] __sys_sendmsg (net/socket.c:2799) [ 448.095243][ T9396] ? __sys_sendmsg_sock (net/socket.c:2780) [ 448.095245][ T9396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 448.095247][ T9396] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 448.095249][ T9396] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 448.095251][ T9396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 448.095252][ T9396] RIP: 0033:0x7f258a96554e [ 448.095254][ T9396] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 448.095256][ T9396] RSP: 002b:00007ffd9a59e870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 448.095260][ T9396] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f258a96554e [ 448.095261][ T9396] RDX: 0000000000000000 RSI: 00007ffd9a59e920 RDI: 0000000000000005 [ 448.095262][ T9396] RBP: 00007ffd9a59e880 R08: 0000000000000000 R09: 0000000000000000 [ 448.095263][ T9396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916937 [ 448.095264][ T9396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9a59efe0 | [ 449.268781][ T9455] softirqs last disabled at (0): 0x0 | [ 449.268784][ T9455] Preemption disabled at: | [ 449.268786][ T9455] vprintk_emit (kernel/printk/printk.c:2471) | [ 449.268798][ T9455] Tainted: [W]=WARN [ 449.268800][ T9455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 449.268802][ T9455] Call Trace: [ 449.268804][ T9455] [ 449.268805][ T9455] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 449.268812][ T9455] ? vprintk_emit (kernel/printk/printk.c:2471) [ 449.268814][ T9455] __might_resched.cold (kernel/sched/core.c:9234) [ 449.268818][ T9455] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 449.268822][ T9455] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 449.268826][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268830][ T9455] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 449.268833][ T9455] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 449.268837][ T9455] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 449.268845][ T9455] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 449.268848][ T9455] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 449.268852][ T9455] put_chars (drivers/char/virtio_console.c:1176) [ 449.268854][ T9455] ? __send_to_port (drivers/char/virtio_console.c:654) [ 449.268857][ T9455] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 449.268861][ T9455] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 449.268868][ T9455] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 449.268870][ T9455] ? vsnprintf (lib/vsprintf.c:2900) [ 449.268874][ T9455] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 449.268876][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268878][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268881][ T9455] console_emit_next_record (kernel/printk/printk.c:3183) [ 449.268885][ T9455] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 449.268888][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268890][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268892][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268894][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.268897][ T9455] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 449.268900][ T9455] console_flush_one_record (kernel/printk/printk.c:3268) [ 449.268903][ T9455] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 449.268907][ T9455] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 449.268910][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.268912][ T9455] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 449.268915][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268917][ T9455] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.268919][ T9455] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 449.268922][ T9455] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 449.268924][ T9455] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 449.268927][ T9455] ? vprintk_emit (kernel/printk/printk.c:2478) [ 449.268929][ T9455] vprintk_emit (kernel/printk/printk.c:2479) [ 449.268932][ T9455] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 449.268934][ T9455] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 449.268937][ T9455] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 449.268940][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.268942][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.268945][ T9455] _printk (kernel/printk/printk.c:2504) [ 449.268949][ T9455] ? snapshot_read.cold (user.c:?) [ 449.268956][ T9455] ? br_multicast_flood (??:?) [ 449.268960][ T9455] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 449.268963][ T9455] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 449.268965][ T9455] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 449.268969][ T9455] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 449.268973][ T9455] br_init_port (net/bridge/br_stp_if.c:39) [ 449.268975][ T9455] new_nbp (net/bridge/br_if.c:449) [ 449.268980][ T9455] br_add_if (net/bridge/br_if.c:592) [ 449.268982][ T9455] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 449.268988][ T9455] do_set_master (net/core/rtnetlink.c:3071) [ 449.268991][ T9455] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 449.268994][ T9455] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 449.268996][ T9455] ? __dev_get_by_name (net/core/dev.c:905) [ 449.268999][ T9455] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 449.269004][ T9455] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 449.269009][ T9455] rtnl_newlink (net/core/rtnetlink.c:4215) [ 449.269012][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269014][ T9455] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 449.269016][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.269018][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269021][ T9455] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 449.269024][ T9455] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 449.269027][ T9455] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 449.269030][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269032][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.269035][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269037][ T9455] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 449.269039][ T9455] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 449.269042][ T9455] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 449.269044][ T9455] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 449.269047][ T9455] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 449.269052][ T9455] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 449.269056][ T9455] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 449.269058][ T9455] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.269061][ T9455] ? netlink_ack (./include/linux/skbuff.h:2718) [ 449.269063][ T9455] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 449.269068][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269070][ T9455] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 449.269073][ T9455] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 449.269076][ T9455] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 449.269079][ T9455] ? next_uptodate_folio (mm/filemap.c:3747) [ 449.269083][ T9455] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 449.269087][ T9455] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 449.269090][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.269092][ T9455] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 449.269097][ T9455] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 449.269101][ T9455] ____sys_sendmsg (net/socket.c:2713) [ 449.269103][ T9455] ? copy_msghdr_from_user (net/socket.c:2650) [ 449.269106][ T9455] ? sock_write_iter (net/socket.c:1269) [ 449.269108][ T9455] ? move_addr_to_kernel (net/socket.c:258) [ 449.269112][ T9455] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 449.269115][ T9455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 449.269118][ T9455] ___sys_sendmsg (net/socket.c:2767) [ 449.269121][ T9455] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 449.269123][ T9455] ? copy_msghdr_from_user (net/socket.c:2619) [ 449.269126][ T9455] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 449.269133][ T9455] __sys_sendmsg (net/socket.c:2799) [ 449.269137][ T9455] ? __sys_sendmsg_sock (net/socket.c:2780) [ 449.269141][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269143][ T9455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 449.269145][ T9455] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 449.269149][ T9455] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 449.269152][ T9455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 449.269155][ T9455] RIP: 0033:0x7f8b46ef054e [ 449.269158][ T9455] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 449.269161][ T9455] RSP: 002b:00007fffe5ae1e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 449.269166][ T9455] RAX: ffffffffffffffda RBX: 00007fffe5ae25c8 RCX: 00007f8b46ef054e [ 449.269168][ T9455] RDX: 0000000000000000 RSI: 00007fffe5ae1eb0 RDI: 0000000000000005 [ 449.269169][ T9455] RBP: 00007fffe5ae1e10 R08: 0000000000000000 R09: 0000000000000000 [ 449.269171][ T9455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916938 [ 449.269173][ T9455] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe5ae2580 | [ 457.102614][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 457.102617][ T12] Preemption disabled at: | [ 457.102617][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 457.102628][ T12] Tainted: [W]=WARN [ 457.102629][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 457.102631][ T12] Workqueue: netns cleanup_net [ 457.102637][ T12] Call Trace: [ 457.102638][ T12] [ 457.102640][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 457.102646][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 457.102648][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 457.102651][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 457.102654][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 457.102657][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102660][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 457.102663][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 457.102666][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 457.102671][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 457.102672][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 457.102675][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 457.102676][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 457.102678][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 457.102681][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 457.102685][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 457.102687][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 457.102690][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 457.102691][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102692][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102694][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 457.102697][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 457.102699][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102700][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102701][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102702][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.102704][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 457.102706][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 457.102709][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 457.102711][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 457.102713][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.102715][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 457.102716][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102717][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 457.102719][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 457.102720][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 457.102722][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 457.102724][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 457.102725][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 457.102727][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 457.102728][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 457.102730][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 457.102733][ T12] ? kthread (kernel/kthread.c:436) [ 457.102735][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 457.102738][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 457.102740][ T12] _printk (kernel/printk/printk.c:2504) [ 457.102743][ T12] ? snapshot_read.cold (user.c:?) [ 457.102746][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 457.102749][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 457.102751][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 457.102753][ T12] ? netdev_notice (net/core/dev.c:13194) [ 457.102755][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102757][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 457.102758][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 457.102761][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 457.102763][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 457.102764][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 457.102766][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 457.102769][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 457.102773][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 457.102775][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 457.102778][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 457.102780][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 457.102782][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 457.102784][ T12] cleanup_net (net/core/net_namespace.c:706) [ 457.102786][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 457.102788][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 457.102791][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.102792][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.102794][ T12] process_one_work (kernel/workqueue.c:3387) [ 457.102797][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 457.102799][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 457.102802][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 457.102804][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 457.102806][ T12] kthread (kernel/kthread.c:436) [ 457.102808][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 457.102810][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 457.102812][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 457.102813][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 457.102815][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 457.102818][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 457.102820][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 458.363813][ T9674] softirqs last disabled at (0): 0x0 | [ 458.363815][ T9674] Preemption disabled at: | [ 458.363815][ T9674] vprintk_emit (kernel/printk/printk.c:2471) | [ 458.363826][ T9674] Tainted: [W]=WARN [ 458.363827][ T9674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 458.363829][ T9674] Call Trace: [ 458.363830][ T9674] [ 458.363832][ T9674] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 458.363840][ T9674] ? vprintk_emit (kernel/printk/printk.c:2471) [ 458.363842][ T9674] __might_resched.cold (kernel/sched/core.c:9234) [ 458.363845][ T9674] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 458.363848][ T9674] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 458.363851][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363853][ T9674] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 458.363856][ T9674] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.363859][ T9674] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 458.363865][ T9674] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 458.363867][ T9674] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 458.363869][ T9674] put_chars (drivers/char/virtio_console.c:1176) [ 458.363871][ T9674] ? __send_to_port (drivers/char/virtio_console.c:654) [ 458.363873][ T9674] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 458.363875][ T9674] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 458.363880][ T9674] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 458.363881][ T9674] ? vsnprintf (lib/vsprintf.c:2900) [ 458.363884][ T9674] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.363886][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363887][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363889][ T9674] console_emit_next_record (kernel/printk/printk.c:3183) [ 458.363892][ T9674] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 458.363894][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363895][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363896][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363897][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.363899][ T9674] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 458.363901][ T9674] console_flush_one_record (kernel/printk/printk.c:3268) [ 458.363903][ T9674] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 458.363906][ T9674] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 458.363908][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.363909][ T9674] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 458.363911][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363912][ T9674] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.363914][ T9674] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 458.363915][ T9674] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 458.363917][ T9674] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 458.363918][ T9674] ? vprintk_emit (kernel/printk/printk.c:2478) [ 458.363920][ T9674] vprintk_emit (kernel/printk/printk.c:2479) [ 458.363922][ T9674] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 458.363923][ T9674] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 458.363925][ T9674] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 458.363927][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.363929][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363931][ T9674] _printk (kernel/printk/printk.c:2504) [ 458.363933][ T9674] ? snapshot_read.cold (user.c:?) [ 458.363935][ T9674] ? br_multicast_flood (??:?) [ 458.363939][ T9674] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 458.363942][ T9674] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 458.363943][ T9674] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 458.363945][ T9674] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 458.363948][ T9674] br_init_port (net/bridge/br_stp_if.c:39) [ 458.363949][ T9674] new_nbp (net/bridge/br_if.c:449) [ 458.363951][ T9674] br_add_if (net/bridge/br_if.c:592) [ 458.363953][ T9674] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 458.363958][ T9674] do_set_master (net/core/rtnetlink.c:3071) [ 458.363959][ T9674] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 458.363961][ T9674] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 458.363962][ T9674] ? __dev_get_by_name (net/core/dev.c:905) [ 458.363964][ T9674] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 458.363968][ T9674] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 458.363974][ T9674] rtnl_newlink (net/core/rtnetlink.c:4215) [ 458.363976][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363977][ T9674] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 458.363979][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.363980][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363982][ T9674] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 458.363984][ T9674] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 458.363986][ T9674] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 458.363988][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363990][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.363991][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.363992][ T9674] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 458.363994][ T9674] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 458.363995][ T9674] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 458.363997][ T9674] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 458.363998][ T9674] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 458.364002][ T9674] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 458.364005][ T9674] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 458.364007][ T9674] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.364008][ T9674] ? netlink_ack (./include/linux/skbuff.h:2718) [ 458.364010][ T9674] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 458.364013][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.364014][ T9674] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 458.364016][ T9674] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 458.364018][ T9674] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 458.364020][ T9674] ? next_uptodate_folio (mm/filemap.c:3747) [ 458.364023][ T9674] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 458.364025][ T9674] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 458.364027][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.364029][ T9674] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 458.364032][ T9674] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 458.364035][ T9674] ____sys_sendmsg (net/socket.c:2713) [ 458.364037][ T9674] ? copy_msghdr_from_user (net/socket.c:2650) [ 458.364039][ T9674] ? sock_write_iter (net/socket.c:1269) [ 458.364040][ T9674] ? move_addr_to_kernel (net/socket.c:258) [ 458.364042][ T9674] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 458.364045][ T9674] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 458.364047][ T9674] ___sys_sendmsg (net/socket.c:2767) [ 458.364049][ T9674] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 458.364050][ T9674] ? copy_msghdr_from_user (net/socket.c:2619) [ 458.364052][ T9674] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 458.364057][ T9674] __sys_sendmsg (net/socket.c:2799) [ 458.364059][ T9674] ? __sys_sendmsg_sock (net/socket.c:2780) [ 458.364061][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.364062][ T9674] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 458.364064][ T9674] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 458.364066][ T9674] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 458.364068][ T9674] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 458.364071][ T9674] RIP: 0033:0x7fc61452a54e [ 458.364072][ T9674] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 458.364074][ T9674] RSP: 002b:00007ffcc04589c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 458.364078][ T9674] RAX: ffffffffffffffda RBX: 00007ffcc0459188 RCX: 00007fc61452a54e [ 458.364079][ T9674] RDX: 0000000000000000 RSI: 00007ffcc0458a70 RDI: 0000000000000005 [ 458.364080][ T9674] RBP: 00007ffcc04589d0 R08: 0000000000000000 R09: 0000000000000000 [ 458.364081][ T9674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916941 [ 458.364082][ T9674] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc0459140 | [ 459.707323][ T9743] softirqs last disabled at (0): 0x0 | [ 459.707325][ T9743] Preemption disabled at: | [ 459.707326][ T9743] vprintk_emit (kernel/printk/printk.c:2471) | [ 459.707336][ T9743] Tainted: [W]=WARN [ 459.707337][ T9743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 459.707339][ T9743] Call Trace: [ 459.707340][ T9743] [ 459.707341][ T9743] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 459.707347][ T9743] ? vprintk_emit (kernel/printk/printk.c:2471) [ 459.707348][ T9743] __might_resched.cold (kernel/sched/core.c:9234) [ 459.707352][ T9743] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 459.707355][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707358][ T9743] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 459.707361][ T9743] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 459.707364][ T9743] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 459.707369][ T9743] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 459.707371][ T9743] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 459.707373][ T9743] put_chars (drivers/char/virtio_console.c:1176) [ 459.707375][ T9743] ? __send_to_port (drivers/char/virtio_console.c:654) [ 459.707376][ T9743] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 459.707379][ T9743] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 459.707381][ T9743] ? pointer (lib/vsprintf.c:2577) [ 459.707384][ T9743] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 459.707389][ T9743] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 459.707391][ T9743] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 459.707393][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707395][ T9743] console_emit_next_record (kernel/printk/printk.c:3183) [ 459.707398][ T9743] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 459.707400][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707401][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707402][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707403][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707405][ T9743] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 459.707407][ T9743] console_flush_one_record (kernel/printk/printk.c:3268) [ 459.707409][ T9743] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 459.707412][ T9743] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 459.707414][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707416][ T9743] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 459.707417][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707418][ T9743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.707420][ T9743] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 459.707421][ T9743] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 459.707423][ T9743] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 459.707425][ T9743] ? vprintk_emit (kernel/printk/printk.c:2478) [ 459.707426][ T9743] vprintk_emit (kernel/printk/printk.c:2479) [ 459.707428][ T9743] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 459.707429][ T9743] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 459.707432][ T9743] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 459.707435][ T9743] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 459.707437][ T9743] _printk (kernel/printk/printk.c:2504) [ 459.707440][ T9743] ? snapshot_read.cold (user.c:?) [ 459.707442][ T9743] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 459.707444][ T9743] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 459.707448][ T9743] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 459.707449][ T9743] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 459.707453][ T9743] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 459.707455][ T9743] ? netdev_notice (net/core/dev.c:13194) [ 459.707457][ T9743] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 459.707459][ T9743] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 459.707461][ T9743] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 459.707463][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707464][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707465][ T9743] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 459.707466][ T9743] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 459.707468][ T9743] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 459.707469][ T9743] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 459.707471][ T9743] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 459.707472][ T9743] ? register_netdev (net/core/dev.c:11618) [ 459.707474][ T9743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.707475][ T9743] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 459.707478][ T9743] ? __kernel_text_address (kernel/extable.c:79) [ 459.707481][ T9743] ? write_profile (profile.c:?) [ 459.707483][ T9743] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 459.707487][ T9743] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 459.707488][ T9743] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 459.707490][ T9743] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 459.707491][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707492][ T9743] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 459.707495][ T9743] ? kasan_save_stack (mm/kasan/common.c:58) [ 459.707497][ T9743] ? kasan_save_stack (mm/kasan/common.c:57) [ 459.707498][ T9743] ? kasan_save_track (mm/kasan/common.c:78) [ 459.707500][ T9743] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 459.707501][ T9743] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 459.707502][ T9743] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 459.707503][ T9743] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 459.707504][ T9743] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 459.707507][ T9743] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 459.707508][ T9743] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 459.707510][ T9743] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 459.707512][ T9743] ? ____sys_sendmsg (net/socket.c:2713) [ 459.707514][ T9743] ? ___sys_sendmsg (net/socket.c:2767) [ 459.707515][ T9743] ? __sys_sendmsg (net/socket.c:2799) [ 459.707517][ T9743] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 459.707519][ T9743] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 459.707521][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707523][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707524][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707525][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707526][ T9743] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 459.707528][ T9743] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 459.707529][ T9743] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 459.707530][ T9743] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 459.707532][ T9743] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 459.707533][ T9743] ? nla_get_range_signed (lib/nlattr.c:270) [ 459.707536][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707537][ T9743] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 459.707539][ T9743] rtnl_newlink (net/core/rtnetlink.c:4215) [ 459.707541][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707542][ T9743] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 459.707544][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707545][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707546][ T9743] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 459.707549][ T9743] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 459.707550][ T9743] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 459.707551][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707553][ T9743] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 459.707556][ T9743] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 459.707558][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707559][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707561][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707562][ T9743] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 459.707563][ T9743] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 459.707565][ T9743] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 459.707566][ T9743] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 459.707568][ T9743] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 459.707570][ T9743] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 459.707572][ T9743] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 459.707573][ T9743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.707575][ T9743] ? netlink_ack (./include/linux/skbuff.h:2718) [ 459.707577][ T9743] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 459.707580][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707581][ T9743] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 459.707583][ T9743] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 459.707585][ T9743] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 459.707587][ T9743] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 459.707589][ T9743] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 459.707591][ T9743] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 459.707592][ T9743] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 459.707594][ T9743] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 459.707596][ T9743] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 459.707599][ T9743] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 459.707601][ T9743] ____sys_sendmsg (net/socket.c:2713) [ 459.707602][ T9743] ? copy_msghdr_from_user (net/socket.c:2650) [ 459.707604][ T9743] ? sock_write_iter (net/socket.c:1269) [ 459.707606][ T9743] ? move_addr_to_kernel (net/socket.c:258) [ 459.707607][ T9743] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 459.707610][ T9743] ___sys_sendmsg (net/socket.c:2767) [ 459.707611][ T9743] ? copy_msghdr_from_user (net/socket.c:2619) [ 459.707616][ T9743] __sys_sendmsg (net/socket.c:2799) [ 459.707618][ T9743] ? __sys_sendmsg_sock (net/socket.c:2780) [ 459.707621][ T9743] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 459.707622][ T9743] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 459.707624][ T9743] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 459.707626][ T9743] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 459.707627][ T9743] RIP: 0033:0x7f48587be54e [ 459.707629][ T9743] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 459.707631][ T9743] RSP: 002b:00007ffc5e27a850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 459.707634][ T9743] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f48587be54e [ 459.707636][ T9743] RDX: 0000000000000000 RSI: 00007ffc5e27a900 RDI: 0000000000000005 [ 459.707637][ T9743] RBP: 00007ffc5e27a860 R08: 0000000000000000 R09: 0000000000000000 [ 459.707638][ T9743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916943 [ 459.707638][ T9743] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5e27afc0 | [ 460.812354][ T9800] softirqs last disabled at (0): 0x0 | [ 460.812356][ T9800] Preemption disabled at: | [ 460.812357][ T9800] vprintk_emit (kernel/printk/printk.c:2471) | [ 460.812366][ T9800] Tainted: [W]=WARN [ 460.812367][ T9800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 460.812369][ T9800] Call Trace: [ 460.812371][ T9800] [ 460.812372][ T9800] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 460.812377][ T9800] ? vprintk_emit (kernel/printk/printk.c:2471) [ 460.812379][ T9800] __might_resched.cold (kernel/sched/core.c:9234) [ 460.812383][ T9800] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 460.812385][ T9800] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 460.812388][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812391][ T9800] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 460.812394][ T9800] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 460.812397][ T9800] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 460.812402][ T9800] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 460.812403][ T9800] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 460.812406][ T9800] put_chars (drivers/char/virtio_console.c:1176) [ 460.812408][ T9800] ? __send_to_port (drivers/char/virtio_console.c:654) [ 460.812409][ T9800] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 460.812412][ T9800] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 460.812416][ T9800] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 460.812418][ T9800] ? vsnprintf (lib/vsprintf.c:2900) [ 460.812421][ T9800] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 460.812423][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812424][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812426][ T9800] console_emit_next_record (kernel/printk/printk.c:3183) [ 460.812429][ T9800] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 460.812431][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812432][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812433][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812434][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812436][ T9800] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 460.812438][ T9800] console_flush_one_record (kernel/printk/printk.c:3268) [ 460.812440][ T9800] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 460.812443][ T9800] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 460.812445][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812447][ T9800] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 460.812448][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812449][ T9800] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 460.812451][ T9800] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 460.812452][ T9800] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 460.812454][ T9800] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 460.812456][ T9800] ? vprintk_emit (kernel/printk/printk.c:2478) [ 460.812457][ T9800] vprintk_emit (kernel/printk/printk.c:2479) [ 460.812459][ T9800] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 460.812460][ T9800] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 460.812462][ T9800] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 460.812465][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812467][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812468][ T9800] _printk (kernel/printk/printk.c:2504) [ 460.812471][ T9800] ? snapshot_read.cold (user.c:?) [ 460.812473][ T9800] ? br_multicast_flood (??:?) [ 460.812476][ T9800] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 460.812479][ T9800] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 460.812480][ T9800] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 460.812482][ T9800] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 460.812485][ T9800] br_init_port (net/bridge/br_stp_if.c:39) [ 460.812487][ T9800] new_nbp (net/bridge/br_if.c:449) [ 460.812489][ T9800] br_add_if (net/bridge/br_if.c:592) [ 460.812491][ T9800] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 460.812495][ T9800] do_set_master (net/core/rtnetlink.c:3071) [ 460.812497][ T9800] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 460.812498][ T9800] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 460.812500][ T9800] ? __dev_get_by_name (net/core/dev.c:905) [ 460.812501][ T9800] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 460.812505][ T9800] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 460.812508][ T9800] rtnl_newlink (net/core/rtnetlink.c:4215) [ 460.812510][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812511][ T9800] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 460.812512][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812514][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812515][ T9800] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 460.812518][ T9800] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 460.812520][ T9800] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 460.812522][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812523][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812525][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812526][ T9800] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 460.812527][ T9800] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 460.812529][ T9800] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 460.812530][ T9800] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 460.812532][ T9800] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 460.812535][ T9800] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 460.812538][ T9800] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 460.812540][ T9800] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 460.812541][ T9800] ? netlink_ack (./include/linux/skbuff.h:2718) [ 460.812543][ T9800] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 460.812546][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812548][ T9800] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 460.812550][ T9800] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 460.812552][ T9800] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 460.812554][ T9800] ? next_uptodate_folio (mm/filemap.c:3747) [ 460.812557][ T9800] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 460.812559][ T9800] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 460.812561][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812563][ T9800] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 460.812566][ T9800] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 460.812569][ T9800] ____sys_sendmsg (net/socket.c:2713) [ 460.812571][ T9800] ? copy_msghdr_from_user (net/socket.c:2650) [ 460.812572][ T9800] ? sock_write_iter (net/socket.c:1269) [ 460.812574][ T9800] ? move_addr_to_kernel (net/socket.c:258) [ 460.812576][ T9800] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 460.812578][ T9800] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 460.812580][ T9800] ___sys_sendmsg (net/socket.c:2767) [ 460.812582][ T9800] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 460.812584][ T9800] ? copy_msghdr_from_user (net/socket.c:2619) [ 460.812585][ T9800] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 460.812590][ T9800] __sys_sendmsg (net/socket.c:2799) [ 460.812592][ T9800] ? __sys_sendmsg_sock (net/socket.c:2780) [ 460.812595][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812596][ T9800] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 460.812597][ T9800] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 460.812600][ T9800] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 460.812602][ T9800] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 460.812604][ T9800] RIP: 0033:0x7fa196d6d54e [ 460.812606][ T9800] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 460.812608][ T9800] RSP: 002b:00007ffd0f834700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 460.812612][ T9800] RAX: ffffffffffffffda RBX: 00007ffd0f834ec8 RCX: 00007fa196d6d54e [ 460.812613][ T9800] RDX: 0000000000000000 RSI: 00007ffd0f8347b0 RDI: 0000000000000005 [ 460.812614][ T9800] RBP: 00007ffd0f834710 R08: 0000000000000000 R09: 0000000000000000 [ 460.812615][ T9800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916944 [ 460.812616][ T9800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0f834e80 | [ 467.637356][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 467.637359][ T12] Preemption disabled at: | [ 467.637360][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 467.637370][ T12] Tainted: [W]=WARN [ 467.637371][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 467.637373][ T12] Workqueue: netns cleanup_net [ 467.637379][ T12] Call Trace: [ 467.637380][ T12] [ 467.637382][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 467.637388][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 467.637389][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 467.637393][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 467.637395][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 467.637398][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637401][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 467.637403][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 467.637407][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 467.637411][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 467.637413][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 467.637416][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 467.637417][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 467.637419][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 467.637422][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 467.637427][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 467.637428][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 467.637431][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 467.637433][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637435][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 467.637438][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 467.637440][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637441][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637442][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637443][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.637446][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 467.637448][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 467.637451][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 467.637453][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 467.637455][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.637457][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 467.637458][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637460][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 467.637461][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 467.637463][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 467.637464][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 467.637466][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 467.637468][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 467.637469][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 467.637470][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 467.637472][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 467.637475][ T12] ? kthread (kernel/kthread.c:436) [ 467.637477][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 467.637480][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 467.637482][ T12] _printk (kernel/printk/printk.c:2504) [ 467.637485][ T12] ? snapshot_read.cold (user.c:?) [ 467.637487][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 467.637491][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 467.637493][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 467.637495][ T12] ? netdev_notice (net/core/dev.c:13194) [ 467.637497][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637499][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 467.637500][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 467.637503][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 467.637504][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 467.637506][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 467.637508][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 467.637511][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 467.637515][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 467.637517][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 467.637519][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 467.637521][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 467.637523][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 467.637526][ T12] cleanup_net (net/core/net_namespace.c:706) [ 467.637528][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 467.637530][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 467.637532][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.637534][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.637536][ T12] process_one_work (kernel/workqueue.c:3387) [ 467.637539][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 467.637541][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 467.637544][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 467.637547][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 467.637548][ T12] kthread (kernel/kthread.c:436) [ 467.637550][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 467.637552][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 467.637554][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 467.637556][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 467.637557][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 467.637560][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 467.637562][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 468.952907][ T9964] softirqs last disabled at (0): 0x0 | [ 468.952909][ T9964] Preemption disabled at: | [ 468.952910][ T9964] vprintk_emit (kernel/printk/printk.c:2471) | [ 468.952920][ T9964] Tainted: [W]=WARN [ 468.952921][ T9964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 468.952923][ T9964] Call Trace: [ 468.952924][ T9964] [ 468.952926][ T9964] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 468.952931][ T9964] ? vprintk_emit (kernel/printk/printk.c:2471) [ 468.952933][ T9964] __might_resched.cold (kernel/sched/core.c:9234) [ 468.952936][ T9964] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 468.952939][ T9964] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 468.952942][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.952945][ T9964] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 468.952948][ T9964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 468.952951][ T9964] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 468.952956][ T9964] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 468.952957][ T9964] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 468.952960][ T9964] put_chars (drivers/char/virtio_console.c:1176) [ 468.952962][ T9964] ? __send_to_port (drivers/char/virtio_console.c:654) [ 468.952964][ T9964] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 468.952966][ T9964] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 468.952971][ T9964] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 468.952973][ T9964] ? vsnprintf (lib/vsprintf.c:2900) [ 468.952976][ T9964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 468.952978][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.952979][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.952981][ T9964] console_emit_next_record (kernel/printk/printk.c:3183) [ 468.952983][ T9964] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 468.952985][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.952986][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.952987][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.952988][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.952991][ T9964] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 468.952993][ T9964] console_flush_one_record (kernel/printk/printk.c:3268) [ 468.952999][ T9964] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 468.953001][ T9964] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 468.953003][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.953005][ T9964] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 468.953007][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953008][ T9964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 468.953009][ T9964] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 468.953011][ T9964] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 468.953012][ T9964] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 468.953014][ T9964] ? vprintk_emit (kernel/printk/printk.c:2478) [ 468.953016][ T9964] vprintk_emit (kernel/printk/printk.c:2479) [ 468.953018][ T9964] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 468.953019][ T9964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 468.953021][ T9964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 468.953024][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.953025][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953027][ T9964] _printk (kernel/printk/printk.c:2504) [ 468.953030][ T9964] ? snapshot_read.cold (user.c:?) [ 468.953032][ T9964] ? br_multicast_flood (??:?) [ 468.953036][ T9964] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 468.953039][ T9964] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 468.953040][ T9964] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 468.953042][ T9964] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 468.953044][ T9964] br_init_port (net/bridge/br_stp_if.c:39) [ 468.953046][ T9964] new_nbp (net/bridge/br_if.c:449) [ 468.953048][ T9964] br_add_if (net/bridge/br_if.c:592) [ 468.953050][ T9964] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 468.953054][ T9964] do_set_master (net/core/rtnetlink.c:3071) [ 468.953056][ T9964] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 468.953058][ T9964] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 468.953059][ T9964] ? __dev_get_by_name (net/core/dev.c:905) [ 468.953061][ T9964] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 468.953065][ T9964] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 468.953067][ T9964] rtnl_newlink (net/core/rtnetlink.c:4215) [ 468.953069][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953070][ T9964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 468.953072][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.953073][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953075][ T9964] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 468.953077][ T9964] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 468.953079][ T9964] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 468.953082][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953083][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.953084][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953086][ T9964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 468.953087][ T9964] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 468.953089][ T9964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 468.953090][ T9964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 468.953091][ T9964] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 468.953095][ T9964] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 468.953098][ T9964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 468.953099][ T9964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 468.953101][ T9964] ? netlink_ack (./include/linux/skbuff.h:2718) [ 468.953103][ T9964] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 468.953106][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953107][ T9964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 468.953109][ T9964] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 468.953111][ T9964] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 468.953113][ T9964] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 468.953115][ T9964] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 468.953118][ T9964] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 468.953120][ T9964] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 468.953122][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.953124][ T9964] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 468.953127][ T9964] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 468.953130][ T9964] ____sys_sendmsg (net/socket.c:2713) [ 468.953132][ T9964] ? copy_msghdr_from_user (net/socket.c:2650) [ 468.953134][ T9964] ? sock_write_iter (net/socket.c:1269) [ 468.953135][ T9964] ? move_addr_to_kernel (net/socket.c:258) [ 468.953137][ T9964] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 468.953140][ T9964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.953142][ T9964] ___sys_sendmsg (net/socket.c:2767) [ 468.953143][ T9964] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 468.953145][ T9964] ? copy_msghdr_from_user (net/socket.c:2619) [ 468.953147][ T9964] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 468.953151][ T9964] __sys_sendmsg (net/socket.c:2799) [ 468.953154][ T9964] ? __sys_sendmsg_sock (net/socket.c:2780) [ 468.953156][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953157][ T9964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.953159][ T9964] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 468.953161][ T9964] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 468.953163][ T9964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 468.953165][ T9964] RIP: 0033:0x7fd7101d854e [ 468.953167][ T9964] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 468.953169][ T9964] RSP: 002b:00007ffdac639ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 468.953172][ T9964] RAX: ffffffffffffffda RBX: 00007ffdac63a7b8 RCX: 00007fd7101d854e [ 468.953174][ T9964] RDX: 0000000000000000 RSI: 00007ffdac63a0a0 RDI: 0000000000000005 [ 468.953175][ T9964] RBP: 00007ffdac63a000 R08: 0000000000000000 R09: 0000000000000000 [ 468.953176][ T9964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91694c [ 468.953177][ T9964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac63a770 | [ 470.330395][T10033] softirqs last disabled at (0): 0x0 | [ 470.330396][T10033] Preemption disabled at: | [ 470.330397][T10033] vprintk_emit (kernel/printk/printk.c:2471) | [ 470.330408][T10033] Tainted: [W]=WARN [ 470.330409][T10033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 470.330410][T10033] Call Trace: [ 470.330412][T10033] [ 470.330414][T10033] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 470.330419][T10033] ? vprintk_emit (kernel/printk/printk.c:2471) [ 470.330421][T10033] __might_resched.cold (kernel/sched/core.c:9234) [ 470.330425][T10033] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 470.330428][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330431][T10033] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 470.330434][T10033] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.330437][T10033] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 470.330442][T10033] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 470.330444][T10033] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 470.330447][T10033] put_chars (drivers/char/virtio_console.c:1176) [ 470.330448][T10033] ? __send_to_port (drivers/char/virtio_console.c:654) [ 470.330450][T10033] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 470.330452][T10033] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 470.330454][T10033] ? pointer (lib/vsprintf.c:2577) [ 470.330458][T10033] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 470.330462][T10033] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 470.330464][T10033] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.330466][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330469][T10033] console_emit_next_record (kernel/printk/printk.c:3183) [ 470.330472][T10033] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 470.330474][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330475][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330476][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330477][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330479][T10033] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 470.330481][T10033] console_flush_one_record (kernel/printk/printk.c:3268) [ 470.330484][T10033] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 470.330487][T10033] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 470.330489][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330491][T10033] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 470.330493][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330494][T10033] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.330495][T10033] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 470.330497][T10033] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 470.330498][T10033] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 470.330501][T10033] ? vprintk_emit (kernel/printk/printk.c:2478) [ 470.330502][T10033] vprintk_emit (kernel/printk/printk.c:2479) [ 470.330504][T10033] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 470.330505][T10033] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 470.330508][T10033] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 470.330510][T10033] _printk (kernel/printk/printk.c:2504) [ 470.330513][T10033] ? snapshot_read.cold (user.c:?) [ 470.330515][T10033] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 470.330518][T10033] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 470.330521][T10033] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 470.330523][T10033] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 470.330526][T10033] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 470.330529][T10033] ? netdev_notice (net/core/dev.c:13194) [ 470.330531][T10033] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 470.330533][T10033] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 470.330535][T10033] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.330537][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330538][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330539][T10033] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 470.330542][T10033] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 470.330543][T10033] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 470.330545][T10033] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 470.330546][T10033] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 470.330548][T10033] ? register_netdev (net/core/dev.c:11618) [ 470.330549][T10033] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.330551][T10033] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 470.330554][T10033] ? __kernel_text_address (kernel/extable.c:79) [ 470.330556][T10033] ? write_profile (profile.c:?) [ 470.330559][T10033] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 470.330563][T10033] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 470.330565][T10033] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 470.330566][T10033] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 470.330567][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330569][T10033] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 470.330572][T10033] ? kasan_save_stack (mm/kasan/common.c:58) [ 470.330574][T10033] ? kasan_save_stack (mm/kasan/common.c:57) [ 470.330575][T10033] ? kasan_save_track (mm/kasan/common.c:78) [ 470.330576][T10033] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 470.330577][T10033] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 470.330578][T10033] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 470.330579][T10033] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 470.330581][T10033] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 470.330584][T10033] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 470.330585][T10033] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 470.330587][T10033] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 470.330589][T10033] ? ____sys_sendmsg (net/socket.c:2713) [ 470.330591][T10033] ? ___sys_sendmsg (net/socket.c:2767) [ 470.330592][T10033] ? __sys_sendmsg (net/socket.c:2799) [ 470.330594][T10033] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 470.330596][T10033] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.330599][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330600][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330602][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330603][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330604][T10033] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 470.330605][T10033] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 470.330607][T10033] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 470.330608][T10033] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 470.330610][T10033] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 470.330611][T10033] ? nla_get_range_signed (lib/nlattr.c:270) [ 470.330614][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330616][T10033] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 470.330618][T10033] rtnl_newlink (net/core/rtnetlink.c:4215) [ 470.330620][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330622][T10033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 470.330623][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330624][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330626][T10033] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 470.330628][T10033] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 470.330630][T10033] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 470.330631][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330632][T10033] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 470.330636][T10033] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 470.330638][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330639][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330641][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330642][T10033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 470.330644][T10033] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 470.330645][T10033] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 470.330647][T10033] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 470.330648][T10033] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 470.330651][T10033] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 470.330652][T10033] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 470.330654][T10033] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.330656][T10033] ? netlink_ack (./include/linux/skbuff.h:2718) [ 470.330657][T10033] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 470.330661][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330662][T10033] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.330664][T10033] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 470.330666][T10033] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 470.330668][T10033] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.330670][T10033] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 470.330672][T10033] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 470.330674][T10033] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 470.330676][T10033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.330677][T10033] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 470.330680][T10033] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 470.330682][T10033] ____sys_sendmsg (net/socket.c:2713) [ 470.330684][T10033] ? copy_msghdr_from_user (net/socket.c:2650) [ 470.330686][T10033] ? sock_write_iter (net/socket.c:1269) [ 470.330687][T10033] ? move_addr_to_kernel (net/socket.c:258) [ 470.330689][T10033] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 470.330692][T10033] ___sys_sendmsg (net/socket.c:2767) [ 470.330694][T10033] ? copy_msghdr_from_user (net/socket.c:2619) [ 470.330699][T10033] __sys_sendmsg (net/socket.c:2799) [ 470.330701][T10033] ? __sys_sendmsg_sock (net/socket.c:2780) [ 470.330704][T10033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.330705][T10033] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 470.330707][T10033] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 470.330709][T10033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.330710][T10033] RIP: 0033:0x7f28eee4b54e [ 470.330713][T10033] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 470.330714][T10033] RSP: 002b:00007ffd5247a290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 470.330718][T10033] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f28eee4b54e [ 470.330720][T10033] RDX: 0000000000000000 RSI: 00007ffd5247a340 RDI: 0000000000000005 [ 470.330721][T10033] RBP: 00007ffd5247a2a0 R08: 0000000000000000 R09: 0000000000000000 [ 470.330721][T10033] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91694d [ 470.330722][T10033] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5247aa00 | [ 471.428676][T10090] softirqs last disabled at (0): 0x0 | [ 471.428678][T10090] Preemption disabled at: | [ 471.428679][T10090] vprintk_emit (kernel/printk/printk.c:2471) | [ 471.428689][T10090] Tainted: [W]=WARN [ 471.428690][T10090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 471.428692][T10090] Call Trace: [ 471.428694][T10090] [ 471.428695][T10090] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 471.428701][T10090] ? vprintk_emit (kernel/printk/printk.c:2471) [ 471.428702][T10090] __might_resched.cold (kernel/sched/core.c:9234) [ 471.428706][T10090] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 471.428708][T10090] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 471.428712][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428714][T10090] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 471.428717][T10090] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 471.428720][T10090] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 471.428726][T10090] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 471.428727][T10090] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 471.428730][T10090] put_chars (drivers/char/virtio_console.c:1176) [ 471.428732][T10090] ? __send_to_port (drivers/char/virtio_console.c:654) [ 471.428734][T10090] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 471.428736][T10090] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 471.428741][T10090] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 471.428742][T10090] ? vsnprintf (lib/vsprintf.c:2900) [ 471.428746][T10090] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 471.428747][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428748][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428750][T10090] console_emit_next_record (kernel/printk/printk.c:3183) [ 471.428753][T10090] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 471.428755][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428756][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428757][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428758][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428760][T10090] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 471.428762][T10090] console_flush_one_record (kernel/printk/printk.c:3268) [ 471.428764][T10090] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 471.428767][T10090] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 471.428769][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428770][T10090] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 471.428772][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428773][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.428775][T10090] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 471.428776][T10090] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 471.428778][T10090] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 471.428780][T10090] ? vprintk_emit (kernel/printk/printk.c:2478) [ 471.428781][T10090] vprintk_emit (kernel/printk/printk.c:2479) [ 471.428783][T10090] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 471.428784][T10090] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 471.428786][T10090] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 471.428788][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428790][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428791][T10090] _printk (kernel/printk/printk.c:2504) [ 471.428794][T10090] ? snapshot_read.cold (user.c:?) [ 471.428796][T10090] ? br_multicast_flood (??:?) [ 471.428800][T10090] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 471.428802][T10090] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 471.428803][T10090] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 471.428805][T10090] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 471.428808][T10090] br_init_port (net/bridge/br_stp_if.c:39) [ 471.428810][T10090] new_nbp (net/bridge/br_if.c:449) [ 471.428812][T10090] br_add_if (net/bridge/br_if.c:592) [ 471.428814][T10090] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 471.428818][T10090] do_set_master (net/core/rtnetlink.c:3071) [ 471.428819][T10090] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 471.428821][T10090] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 471.428823][T10090] ? __dev_get_by_name (net/core/dev.c:905) [ 471.428824][T10090] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 471.428828][T10090] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 471.428831][T10090] rtnl_newlink (net/core/rtnetlink.c:4215) [ 471.428833][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428834][T10090] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 471.428835][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428837][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428840][T10090] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 471.428843][T10090] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 471.428845][T10090] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 471.428847][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428848][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428850][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428851][T10090] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 471.428853][T10090] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 471.428854][T10090] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 471.428856][T10090] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 471.428857][T10090] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 471.428861][T10090] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 471.428864][T10090] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 471.428865][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.428866][T10090] ? netlink_ack (./include/linux/skbuff.h:2718) [ 471.428868][T10090] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 471.428871][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428872][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 471.428874][T10090] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 471.428876][T10090] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 471.428878][T10090] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 471.428881][T10090] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 471.428884][T10090] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 471.428886][T10090] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 471.428888][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428889][T10090] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 471.428893][T10090] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 471.428896][T10090] ____sys_sendmsg (net/socket.c:2713) [ 471.428897][T10090] ? copy_msghdr_from_user (net/socket.c:2650) [ 471.428899][T10090] ? sock_write_iter (net/socket.c:1269) [ 471.428901][T10090] ? move_addr_to_kernel (net/socket.c:258) [ 471.428903][T10090] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 471.428905][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 471.428907][T10090] ___sys_sendmsg (net/socket.c:2767) [ 471.428909][T10090] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 471.428911][T10090] ? copy_msghdr_from_user (net/socket.c:2619) [ 471.428912][T10090] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 471.428917][T10090] __sys_sendmsg (net/socket.c:2799) [ 471.428919][T10090] ? __sys_sendmsg_sock (net/socket.c:2780) [ 471.428922][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428923][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 471.428924][T10090] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 471.428927][T10090] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 471.428928][T10090] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 471.428930][T10090] RIP: 0033:0x7f3b62a0454e [ 471.428932][T10090] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 471.428934][T10090] RSP: 002b:00007ffd864de560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 471.428938][T10090] RAX: ffffffffffffffda RBX: 00007ffd864ded28 RCX: 00007f3b62a0454e [ 471.428939][T10090] RDX: 0000000000000000 RSI: 00007ffd864de610 RDI: 0000000000000005 [ 471.428940][T10090] RBP: 00007ffd864de570 R08: 0000000000000000 R09: 0000000000000000 [ 471.428941][T10090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91694e [ 471.428942][T10090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd864dece0 | [ 478.214197][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 478.214200][ T12] Preemption disabled at: | [ 478.214201][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 478.214211][ T12] Tainted: [W]=WARN [ 478.214212][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 478.214213][ T12] Workqueue: netns cleanup_net [ 478.214219][ T12] Call Trace: [ 478.214221][ T12] [ 478.214222][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 478.214228][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 478.214229][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 478.214233][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 478.214235][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 478.214238][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214241][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 478.214244][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 478.214247][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 478.214252][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 478.214254][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 478.214256][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 478.214258][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 478.214260][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 478.214262][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 478.214267][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 478.214269][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 478.214271][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 478.214273][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214274][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214276][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 478.214279][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 478.214281][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214282][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214283][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214284][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 478.214286][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 478.214288][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 478.214291][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 478.214293][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 478.214295][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 478.214297][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 478.214299][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214300][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 478.214301][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 478.214303][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 478.214304][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 478.214306][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 478.214308][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 478.214309][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 478.214311][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 478.214312][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 478.214315][ T12] ? kthread (kernel/kthread.c:436) [ 478.214317][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 478.214320][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 478.214322][ T12] _printk (kernel/printk/printk.c:2504) [ 478.214326][ T12] ? snapshot_read.cold (user.c:?) [ 478.214328][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 478.214331][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 478.214333][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 478.214336][ T12] ? netdev_notice (net/core/dev.c:13194) [ 478.214338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214339][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 478.214341][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 478.214344][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 478.214345][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 478.214347][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 478.214349][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 478.214352][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 478.214356][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 478.214358][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 478.214361][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 478.214363][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 478.214365][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 478.214368][ T12] cleanup_net (net/core/net_namespace.c:706) [ 478.214370][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 478.214372][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 478.214373][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 478.214375][ T12] process_one_work (kernel/workqueue.c:3387) [ 478.214378][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 478.214380][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 478.214383][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 478.214386][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 478.214387][ T12] kthread (kernel/kthread.c:436) [ 478.214389][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 478.214391][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 478.214393][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 478.214394][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 478.214396][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 478.214399][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 478.214401][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 479.388210][T10252] softirqs last disabled at (0): 0x0 | [ 479.388212][T10252] Preemption disabled at: | [ 479.388212][T10252] vprintk_emit (kernel/printk/printk.c:2471) | [ 479.388223][T10252] Tainted: [W]=WARN [ 479.388224][T10252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 479.388226][T10252] Call Trace: [ 479.388228][T10252] [ 479.388229][T10252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 479.388235][T10252] ? vprintk_emit (kernel/printk/printk.c:2471) [ 479.388236][T10252] __might_resched.cold (kernel/sched/core.c:9234) [ 479.388240][T10252] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 479.388242][T10252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 479.388246][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388248][T10252] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 479.388251][T10252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.388254][T10252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.388259][T10252] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 479.388261][T10252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.388263][T10252] put_chars (drivers/char/virtio_console.c:1176) [ 479.388265][T10252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 479.388267][T10252] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 479.388270][T10252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 479.388275][T10252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 479.388276][T10252] ? vsnprintf (lib/vsprintf.c:2900) [ 479.388279][T10252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.388281][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388282][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388284][T10252] console_emit_next_record (kernel/printk/printk.c:3183) [ 479.388287][T10252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 479.388289][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388290][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388291][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388292][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388294][T10252] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 479.388296][T10252] console_flush_one_record (kernel/printk/printk.c:3268) [ 479.388298][T10252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 479.388301][T10252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 479.388303][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388305][T10252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 479.388306][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388307][T10252] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.388309][T10252] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 479.388310][T10252] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 479.388312][T10252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 479.388314][T10252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 479.388315][T10252] vprintk_emit (kernel/printk/printk.c:2479) [ 479.388317][T10252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 479.388318][T10252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.388320][T10252] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 479.388323][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388324][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388326][T10252] _printk (kernel/printk/printk.c:2504) [ 479.388329][T10252] ? snapshot_read.cold (user.c:?) [ 479.388331][T10252] ? br_multicast_flood (??:?) [ 479.388334][T10252] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 479.388337][T10252] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 479.388338][T10252] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 479.388340][T10252] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 479.388343][T10252] br_init_port (net/bridge/br_stp_if.c:39) [ 479.388345][T10252] new_nbp (net/bridge/br_if.c:449) [ 479.388347][T10252] br_add_if (net/bridge/br_if.c:592) [ 479.388349][T10252] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 479.388353][T10252] do_set_master (net/core/rtnetlink.c:3071) [ 479.388355][T10252] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 479.388357][T10252] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 479.388358][T10252] ? __dev_get_by_name (net/core/dev.c:905) [ 479.388360][T10252] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 479.388364][T10252] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 479.388366][T10252] rtnl_newlink (net/core/rtnetlink.c:4215) [ 479.388368][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388370][T10252] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 479.388371][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388372][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388374][T10252] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 479.388376][T10252] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 479.388378][T10252] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 479.388381][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388382][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388383][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388384][T10252] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 479.388386][T10252] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 479.388387][T10252] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 479.388389][T10252] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 479.388390][T10252] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 479.388394][T10252] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 479.388397][T10252] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 479.388399][T10252] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.388400][T10252] ? netlink_ack (./include/linux/skbuff.h:2718) [ 479.388402][T10252] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 479.388405][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388406][T10252] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.388408][T10252] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 479.388410][T10252] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 479.388412][T10252] ? next_uptodate_folio (mm/filemap.c:3747) [ 479.388415][T10252] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 479.388418][T10252] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 479.388420][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388421][T10252] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 479.388425][T10252] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 479.388428][T10252] ____sys_sendmsg (net/socket.c:2713) [ 479.388429][T10252] ? copy_msghdr_from_user (net/socket.c:2650) [ 479.388431][T10252] ? sock_write_iter (net/socket.c:1269) [ 479.388432][T10252] ? move_addr_to_kernel (net/socket.c:258) [ 479.388435][T10252] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 479.388437][T10252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.388439][T10252] ___sys_sendmsg (net/socket.c:2767) [ 479.388441][T10252] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 479.388442][T10252] ? copy_msghdr_from_user (net/socket.c:2619) [ 479.388444][T10252] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 479.388449][T10252] __sys_sendmsg (net/socket.c:2799) [ 479.388451][T10252] ? __sys_sendmsg_sock (net/socket.c:2780) [ 479.388453][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388454][T10252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.388456][T10252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 479.388458][T10252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 479.388460][T10252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.388462][T10252] RIP: 0033:0x7fde20b8c54e [ 479.388464][T10252] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 479.388466][T10252] RSP: 002b:00007ffc1da22cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 479.388470][T10252] RAX: ffffffffffffffda RBX: 00007ffc1da23498 RCX: 00007fde20b8c54e [ 479.388471][T10252] RDX: 0000000000000000 RSI: 00007ffc1da22d80 RDI: 0000000000000005 [ 479.388472][T10252] RBP: 00007ffc1da22ce0 R08: 0000000000000000 R09: 0000000000000000 [ 479.388473][T10252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916956 [ 479.388474][T10252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1da23450 | [ 480.737699][T10321] softirqs last disabled at (0): 0x0 | [ 480.737701][T10321] Preemption disabled at: | [ 480.737702][T10321] vprintk_emit (kernel/printk/printk.c:2471) | [ 480.737712][T10321] Tainted: [W]=WARN [ 480.737713][T10321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 480.737715][T10321] Call Trace: [ 480.737716][T10321] [ 480.737718][T10321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 480.737723][T10321] ? vprintk_emit (kernel/printk/printk.c:2471) [ 480.737725][T10321] __might_resched.cold (kernel/sched/core.c:9234) [ 480.737729][T10321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 480.737732][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737735][T10321] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 480.737738][T10321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.737741][T10321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 480.737746][T10321] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 480.737748][T10321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 480.737751][T10321] put_chars (drivers/char/virtio_console.c:1176) [ 480.737752][T10321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 480.737754][T10321] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 480.737756][T10321] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 480.737759][T10321] ? pointer (lib/vsprintf.c:2577) [ 480.737762][T10321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 480.737767][T10321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 480.737769][T10321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.737771][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737774][T10321] console_emit_next_record (kernel/printk/printk.c:3183) [ 480.737777][T10321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 480.737779][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737780][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737781][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737782][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737784][T10321] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 480.737786][T10321] console_flush_one_record (kernel/printk/printk.c:3268) [ 480.737788][T10321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 480.737791][T10321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 480.737793][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737795][T10321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 480.737797][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737798][T10321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.737799][T10321] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 480.737801][T10321] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 480.737802][T10321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 480.737805][T10321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 480.737806][T10321] vprintk_emit (kernel/printk/printk.c:2479) [ 480.737808][T10321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 480.737809][T10321] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 480.737811][T10321] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 480.737815][T10321] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 480.737817][T10321] _printk (kernel/printk/printk.c:2504) [ 480.737820][T10321] ? snapshot_read.cold (user.c:?) [ 480.737822][T10321] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 480.737824][T10321] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 480.737828][T10321] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 480.737830][T10321] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 480.737833][T10321] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 480.737835][T10321] ? netdev_notice (net/core/dev.c:13194) [ 480.737840][T10321] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 480.737842][T10321] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 480.737844][T10321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.737846][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737847][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737848][T10321] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 480.737850][T10321] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 480.737852][T10321] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 480.737853][T10321] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 480.737855][T10321] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 480.737857][T10321] ? register_netdev (net/core/dev.c:11618) [ 480.737858][T10321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.737860][T10321] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 480.737863][T10321] ? __kernel_text_address (kernel/extable.c:79) [ 480.737866][T10321] ? write_profile (profile.c:?) [ 480.737869][T10321] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 480.737872][T10321] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 480.737874][T10321] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 480.737876][T10321] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 480.737877][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737878][T10321] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 480.737882][T10321] ? kasan_save_stack (mm/kasan/common.c:58) [ 480.737884][T10321] ? kasan_save_stack (mm/kasan/common.c:57) [ 480.737885][T10321] ? kasan_save_track (mm/kasan/common.c:78) [ 480.737886][T10321] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 480.737888][T10321] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 480.737889][T10321] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 480.737890][T10321] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 480.737892][T10321] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 480.737895][T10321] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 480.737897][T10321] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 480.737898][T10321] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 480.737901][T10321] ? ____sys_sendmsg (net/socket.c:2713) [ 480.737902][T10321] ? ___sys_sendmsg (net/socket.c:2767) [ 480.737904][T10321] ? __sys_sendmsg (net/socket.c:2799) [ 480.737906][T10321] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 480.737909][T10321] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 480.737911][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737913][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737914][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737915][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737917][T10321] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 480.737919][T10321] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 480.737920][T10321] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 480.737921][T10321] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 480.737923][T10321] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 480.737924][T10321] ? nla_get_range_signed (lib/nlattr.c:270) [ 480.737928][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737929][T10321] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 480.737931][T10321] rtnl_newlink (net/core/rtnetlink.c:4215) [ 480.737933][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737935][T10321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 480.737936][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737938][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737939][T10321] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 480.737941][T10321] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 480.737943][T10321] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 480.737944][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737946][T10321] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 480.737949][T10321] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 480.737952][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737953][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737955][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737956][T10321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 480.737957][T10321] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 480.737959][T10321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 480.737961][T10321] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 480.737963][T10321] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 480.737965][T10321] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 480.737967][T10321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 480.737968][T10321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.737970][T10321] ? netlink_ack (./include/linux/skbuff.h:2718) [ 480.737972][T10321] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 480.737975][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.737976][T10321] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.737978][T10321] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 480.737981][T10321] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 480.737982][T10321] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 480.737984][T10321] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 480.737987][T10321] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 480.737988][T10321] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 480.737990][T10321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.737992][T10321] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 480.737995][T10321] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 480.737997][T10321] ____sys_sendmsg (net/socket.c:2713) [ 480.737999][T10321] ? copy_msghdr_from_user (net/socket.c:2650) [ 480.738000][T10321] ? sock_write_iter (net/socket.c:1269) [ 480.738002][T10321] ? move_addr_to_kernel (net/socket.c:258) [ 480.738004][T10321] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 480.738006][T10321] ___sys_sendmsg (net/socket.c:2767) [ 480.738008][T10321] ? copy_msghdr_from_user (net/socket.c:2619) [ 480.738013][T10321] __sys_sendmsg (net/socket.c:2799) [ 480.738015][T10321] ? __sys_sendmsg_sock (net/socket.c:2780) [ 480.738018][T10321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.738020][T10321] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 480.738026][T10321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 480.738028][T10321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 480.738029][T10321] RIP: 0033:0x7f264d60e54e [ 480.738031][T10321] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 480.738033][T10321] RSP: 002b:00007ffc4cc896a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 480.738037][T10321] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f264d60e54e [ 480.738038][T10321] RDX: 0000000000000000 RSI: 00007ffc4cc89750 RDI: 0000000000000005 [ 480.738040][T10321] RBP: 00007ffc4cc896b0 R08: 0000000000000000 R09: 0000000000000000 [ 480.738041][T10321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916958 [ 480.738041][T10321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4cc89e10 | [ 481.796210][T10371] softirqs last disabled at (0): 0x0 | [ 481.796211][T10371] Preemption disabled at: | [ 481.796212][T10371] vprintk_emit (kernel/printk/printk.c:2471) | [ 481.796222][T10371] Tainted: [W]=WARN [ 481.796223][T10371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 481.796225][T10371] Call Trace: [ 481.796227][T10371] [ 481.796228][T10371] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 481.796234][T10371] ? vprintk_emit (kernel/printk/printk.c:2471) [ 481.796235][T10371] __might_resched.cold (kernel/sched/core.c:9234) [ 481.796239][T10371] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 481.796241][T10371] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 481.796244][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796247][T10371] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 481.796250][T10371] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.796253][T10371] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 481.796258][T10371] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 481.796259][T10371] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 481.796262][T10371] put_chars (drivers/char/virtio_console.c:1176) [ 481.796264][T10371] ? __send_to_port (drivers/char/virtio_console.c:654) [ 481.796266][T10371] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 481.796268][T10371] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 481.796273][T10371] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 481.796275][T10371] ? vsnprintf (lib/vsprintf.c:2900) [ 481.796278][T10371] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.796279][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796280][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796282][T10371] console_emit_next_record (kernel/printk/printk.c:3183) [ 481.796285][T10371] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 481.796287][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796288][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796289][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796290][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796293][T10371] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 481.796295][T10371] console_flush_one_record (kernel/printk/printk.c:3268) [ 481.796297][T10371] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 481.796300][T10371] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 481.796302][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796303][T10371] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 481.796305][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796306][T10371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.796308][T10371] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 481.796309][T10371] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 481.796311][T10371] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 481.796313][T10371] ? vprintk_emit (kernel/printk/printk.c:2478) [ 481.796314][T10371] vprintk_emit (kernel/printk/printk.c:2479) [ 481.796316][T10371] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 481.796317][T10371] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 481.796319][T10371] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 481.796321][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796323][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796324][T10371] _printk (kernel/printk/printk.c:2504) [ 481.796327][T10371] ? snapshot_read.cold (user.c:?) [ 481.796329][T10371] ? br_multicast_flood (??:?) [ 481.796333][T10371] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 481.796335][T10371] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 481.796337][T10371] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 481.796338][T10371] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 481.796341][T10371] br_init_port (net/bridge/br_stp_if.c:39) [ 481.796343][T10371] new_nbp (net/bridge/br_if.c:449) [ 481.796345][T10371] br_add_if (net/bridge/br_if.c:592) [ 481.796347][T10371] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 481.796351][T10371] do_set_master (net/core/rtnetlink.c:3071) [ 481.796353][T10371] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 481.796355][T10371] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 481.796356][T10371] ? __dev_get_by_name (net/core/dev.c:905) [ 481.796358][T10371] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 481.796362][T10371] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 481.796364][T10371] rtnl_newlink (net/core/rtnetlink.c:4215) [ 481.796366][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796367][T10371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 481.796369][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796370][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796372][T10371] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 481.796374][T10371] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 481.796376][T10371] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 481.796378][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796380][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796381][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796382][T10371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 481.796384][T10371] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 481.796385][T10371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 481.796387][T10371] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 481.796388][T10371] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 481.796392][T10371] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 481.796395][T10371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 481.796396][T10371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.796398][T10371] ? netlink_ack (./include/linux/skbuff.h:2718) [ 481.796399][T10371] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 481.796402][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796404][T10371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 481.796406][T10371] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 481.796408][T10371] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 481.796410][T10371] ? next_uptodate_folio (mm/filemap.c:3747) [ 481.796413][T10371] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 481.796415][T10371] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 481.796417][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796419][T10371] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 481.796423][T10371] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 481.796426][T10371] ____sys_sendmsg (net/socket.c:2713) [ 481.796427][T10371] ? copy_msghdr_from_user (net/socket.c:2650) [ 481.796429][T10371] ? sock_write_iter (net/socket.c:1269) [ 481.796431][T10371] ? move_addr_to_kernel (net/socket.c:258) [ 481.796433][T10371] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 481.796436][T10371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 481.796438][T10371] ___sys_sendmsg (net/socket.c:2767) [ 481.796439][T10371] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 481.796441][T10371] ? copy_msghdr_from_user (net/socket.c:2619) [ 481.796443][T10371] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 481.796447][T10371] __sys_sendmsg (net/socket.c:2799) [ 481.796449][T10371] ? __sys_sendmsg_sock (net/socket.c:2780) [ 481.796452][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796453][T10371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 481.796455][T10371] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 481.796457][T10371] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 481.796459][T10371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 481.796461][T10371] RIP: 0033:0x7fddde32b54e [ 481.796463][T10371] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 481.796465][T10371] RSP: 002b:00007ffd25c48470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 481.796468][T10371] RAX: ffffffffffffffda RBX: 00007ffd25c48c38 RCX: 00007fddde32b54e [ 481.796470][T10371] RDX: 0000000000000000 RSI: 00007ffd25c48520 RDI: 0000000000000005 [ 481.796471][T10371] RBP: 00007ffd25c48480 R08: 0000000000000000 R09: 0000000000000000 [ 481.796472][T10371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916959 [ 481.796473][T10371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd25c48bf0 | [ 488.565646][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 488.565649][ T12] Preemption disabled at: | [ 488.565650][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 488.565660][ T12] Tainted: [W]=WARN [ 488.565661][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 488.565662][ T12] Workqueue: netns cleanup_net [ 488.565668][ T12] Call Trace: [ 488.565670][ T12] [ 488.565672][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 488.565678][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 488.565679][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 488.565683][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 488.565685][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 488.565689][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565691][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 488.565694][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 488.565697][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 488.565702][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 488.565703][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 488.565706][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 488.565708][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 488.565709][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 488.565712][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 488.565716][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 488.565718][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 488.565721][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 488.565723][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565724][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565726][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 488.565728][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 488.565731][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565732][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565733][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565734][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.565736][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 488.565738][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 488.565740][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 488.565743][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 488.565745][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.565747][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 488.565748][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565749][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 488.565751][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 488.565753][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 488.565754][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 488.565756][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 488.565757][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 488.565759][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 488.565760][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 488.565762][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 488.565765][ T12] ? kthread (kernel/kthread.c:436) [ 488.565767][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 488.565770][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 488.565772][ T12] _printk (kernel/printk/printk.c:2504) [ 488.565775][ T12] ? snapshot_read.cold (user.c:?) [ 488.565778][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 488.565781][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 488.565783][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 488.565785][ T12] ? netdev_notice (net/core/dev.c:13194) [ 488.565787][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565788][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 488.565790][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 488.565793][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 488.565794][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 488.565796][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 488.565798][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 488.565801][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 488.565805][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 488.565807][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 488.565809][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 488.565811][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 488.565813][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 488.565816][ T12] cleanup_net (net/core/net_namespace.c:706) [ 488.565818][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 488.565820][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.565822][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.565823][ T12] process_one_work (kernel/workqueue.c:3387) [ 488.565826][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 488.565829][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 488.565831][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 488.565834][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 488.565839][ T12] kthread (kernel/kthread.c:436) [ 488.565841][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 488.565843][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 488.565845][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 488.565847][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 488.565849][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 488.565852][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 488.565854][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 489.773933][T10533] softirqs last disabled at (0): 0x0 | [ 489.773935][T10533] Preemption disabled at: | [ 489.773936][T10533] vprintk_emit (kernel/printk/printk.c:2471) | [ 489.773946][T10533] Tainted: [W]=WARN [ 489.773947][T10533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 489.773949][T10533] Call Trace: [ 489.773951][T10533] [ 489.773952][T10533] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 489.773958][T10533] ? vprintk_emit (kernel/printk/printk.c:2471) [ 489.773959][T10533] __might_resched.cold (kernel/sched/core.c:9234) [ 489.773963][T10533] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 489.773965][T10533] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 489.773968][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.773971][T10533] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 489.773973][T10533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.773977][T10533] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.773981][T10533] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 489.773983][T10533] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.773986][T10533] put_chars (drivers/char/virtio_console.c:1176) [ 489.773987][T10533] ? __send_to_port (drivers/char/virtio_console.c:654) [ 489.773989][T10533] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 489.773992][T10533] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 489.773996][T10533] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 489.773998][T10533] ? vsnprintf (lib/vsprintf.c:2900) [ 489.774001][T10533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.774003][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774004][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774006][T10533] console_emit_next_record (kernel/printk/printk.c:3183) [ 489.774008][T10533] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 489.774010][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774011][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774012][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774013][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774016][T10533] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 489.774018][T10533] console_flush_one_record (kernel/printk/printk.c:3268) [ 489.774020][T10533] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 489.774023][T10533] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 489.774025][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774026][T10533] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 489.774028][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774029][T10533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.774031][T10533] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 489.774032][T10533] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 489.774034][T10533] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 489.774035][T10533] ? vprintk_emit (kernel/printk/printk.c:2478) [ 489.774037][T10533] vprintk_emit (kernel/printk/printk.c:2479) [ 489.774038][T10533] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 489.774040][T10533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.774046][T10533] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 489.774049][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774050][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774052][T10533] _printk (kernel/printk/printk.c:2504) [ 489.774055][T10533] ? snapshot_read.cold (user.c:?) [ 489.774057][T10533] ? br_multicast_flood (??:?) [ 489.774060][T10533] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 489.774063][T10533] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 489.774064][T10533] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 489.774066][T10533] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 489.774068][T10533] br_init_port (net/bridge/br_stp_if.c:39) [ 489.774070][T10533] new_nbp (net/bridge/br_if.c:449) [ 489.774072][T10533] br_add_if (net/bridge/br_if.c:592) [ 489.774074][T10533] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 489.774078][T10533] do_set_master (net/core/rtnetlink.c:3071) [ 489.774080][T10533] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 489.774082][T10533] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 489.774083][T10533] ? __dev_get_by_name (net/core/dev.c:905) [ 489.774085][T10533] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 489.774089][T10533] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 489.774091][T10533] rtnl_newlink (net/core/rtnetlink.c:4215) [ 489.774093][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774095][T10533] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 489.774096][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774097][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774099][T10533] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 489.774101][T10533] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 489.774103][T10533] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 489.774105][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774106][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774108][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774109][T10533] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 489.774110][T10533] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 489.774112][T10533] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 489.774113][T10533] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 489.774115][T10533] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 489.774118][T10533] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 489.774122][T10533] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 489.774123][T10533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.774124][T10533] ? netlink_ack (./include/linux/skbuff.h:2718) [ 489.774126][T10533] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 489.774129][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774130][T10533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.774132][T10533] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 489.774134][T10533] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 489.774136][T10533] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 489.774139][T10533] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 489.774141][T10533] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 489.774144][T10533] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 489.774146][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774147][T10533] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 489.774151][T10533] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 489.774154][T10533] ____sys_sendmsg (net/socket.c:2713) [ 489.774155][T10533] ? copy_msghdr_from_user (net/socket.c:2650) [ 489.774157][T10533] ? sock_write_iter (net/socket.c:1269) [ 489.774158][T10533] ? move_addr_to_kernel (net/socket.c:258) [ 489.774161][T10533] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 489.774163][T10533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.774165][T10533] ___sys_sendmsg (net/socket.c:2767) [ 489.774167][T10533] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 489.774168][T10533] ? copy_msghdr_from_user (net/socket.c:2619) [ 489.774170][T10533] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 489.774175][T10533] __sys_sendmsg (net/socket.c:2799) [ 489.774177][T10533] ? __sys_sendmsg_sock (net/socket.c:2780) [ 489.774179][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774180][T10533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.774182][T10533] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 489.774184][T10533] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 489.774186][T10533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.774188][T10533] RIP: 0033:0x7ff88696e54e [ 489.774190][T10533] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 489.774192][T10533] RSP: 002b:00007fff9dd59110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 489.774196][T10533] RAX: ffffffffffffffda RBX: 00007fff9dd598d8 RCX: 00007ff88696e54e [ 489.774197][T10533] RDX: 0000000000000000 RSI: 00007fff9dd591c0 RDI: 0000000000000005 [ 489.774198][T10533] RBP: 00007fff9dd59120 R08: 0000000000000000 R09: 0000000000000000 [ 489.774199][T10533] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916961 [ 489.774200][T10533] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9dd59890 | [ 491.129744][T10602] softirqs last disabled at (0): 0x0 | [ 491.129746][T10602] Preemption disabled at: | [ 491.129747][T10602] vprintk_emit (kernel/printk/printk.c:2471) | [ 491.129757][T10602] Tainted: [W]=WARN [ 491.129758][T10602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 491.129760][T10602] Call Trace: [ 491.129761][T10602] [ 491.129763][T10602] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 491.129768][T10602] ? vprintk_emit (kernel/printk/printk.c:2471) [ 491.129769][T10602] __might_resched.cold (kernel/sched/core.c:9234) [ 491.129773][T10602] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 491.129777][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129780][T10602] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 491.129783][T10602] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 491.129786][T10602] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 491.129791][T10602] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 491.129793][T10602] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 491.129795][T10602] put_chars (drivers/char/virtio_console.c:1176) [ 491.129797][T10602] ? __send_to_port (drivers/char/virtio_console.c:654) [ 491.129798][T10602] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 491.129801][T10602] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 491.129803][T10602] ? pointer (lib/vsprintf.c:2577) [ 491.129806][T10602] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 491.129811][T10602] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 491.129813][T10602] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 491.129815][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.129817][T10602] console_emit_next_record (kernel/printk/printk.c:3183) [ 491.129820][T10602] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 491.129822][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129823][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129824][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129825][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.129827][T10602] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 491.129828][T10602] console_flush_one_record (kernel/printk/printk.c:3268) [ 491.129831][T10602] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 491.129833][T10602] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 491.129835][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.129840][T10602] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 491.129842][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129843][T10602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 491.129844][T10602] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 491.129846][T10602] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 491.129847][T10602] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 491.129849][T10602] ? vprintk_emit (kernel/printk/printk.c:2478) [ 491.129851][T10602] vprintk_emit (kernel/printk/printk.c:2479) [ 491.129852][T10602] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 491.129854][T10602] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 491.129856][T10602] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 491.129859][T10602] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 491.129861][T10602] _printk (kernel/printk/printk.c:2504) [ 491.129864][T10602] ? snapshot_read.cold (user.c:?) [ 491.129866][T10602] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 491.129868][T10602] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 491.129871][T10602] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 491.129873][T10602] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 491.129877][T10602] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 491.129879][T10602] ? netdev_notice (net/core/dev.c:13194) [ 491.129881][T10602] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 491.129883][T10602] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 491.129885][T10602] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 491.129887][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129888][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129889][T10602] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 491.129890][T10602] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 491.129892][T10602] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 491.129893][T10602] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 491.129895][T10602] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 491.129896][T10602] ? register_netdev (net/core/dev.c:11618) [ 491.129898][T10602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 491.129900][T10602] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 491.129902][T10602] ? __kernel_text_address (kernel/extable.c:79) [ 491.129905][T10602] ? write_profile (profile.c:?) [ 491.129908][T10602] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 491.129911][T10602] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 491.129913][T10602] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 491.129914][T10602] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 491.129915][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129916][T10602] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 491.129920][T10602] ? kasan_save_stack (mm/kasan/common.c:58) [ 491.129922][T10602] ? kasan_save_stack (mm/kasan/common.c:57) [ 491.129923][T10602] ? kasan_save_track (mm/kasan/common.c:78) [ 491.129924][T10602] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 491.129925][T10602] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 491.129926][T10602] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 491.129927][T10602] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 491.129928][T10602] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 491.129931][T10602] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 491.129932][T10602] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 491.129934][T10602] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 491.129936][T10602] ? ____sys_sendmsg (net/socket.c:2713) [ 491.129938][T10602] ? ___sys_sendmsg (net/socket.c:2767) [ 491.129939][T10602] ? __sys_sendmsg (net/socket.c:2799) [ 491.129941][T10602] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 491.129943][T10602] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 491.129946][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129947][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.129948][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129949][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129950][T10602] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 491.129952][T10602] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 491.129953][T10602] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 491.129954][T10602] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 491.129956][T10602] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 491.129957][T10602] ? nla_get_range_signed (lib/nlattr.c:270) [ 491.129960][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129961][T10602] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 491.129964][T10602] rtnl_newlink (net/core/rtnetlink.c:4215) [ 491.129965][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129967][T10602] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 491.129968][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.129969][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129971][T10602] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 491.129973][T10602] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 491.129974][T10602] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 491.129975][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129977][T10602] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 491.129980][T10602] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 491.129982][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129983][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.129985][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.129986][T10602] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 491.129987][T10602] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 491.129989][T10602] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 491.129990][T10602] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 491.129992][T10602] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 491.129994][T10602] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 491.129996][T10602] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 491.129997][T10602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 491.129999][T10602] ? netlink_ack (./include/linux/skbuff.h:2718) [ 491.130000][T10602] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 491.130003][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.130004][T10602] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 491.130006][T10602] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 491.130008][T10602] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 491.130010][T10602] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 491.130012][T10602] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 491.130014][T10602] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 491.130016][T10602] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 491.130017][T10602] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 491.130019][T10602] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 491.130022][T10602] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 491.130024][T10602] ____sys_sendmsg (net/socket.c:2713) [ 491.130025][T10602] ? copy_msghdr_from_user (net/socket.c:2650) [ 491.130027][T10602] ? sock_write_iter (net/socket.c:1269) [ 491.130028][T10602] ? move_addr_to_kernel (net/socket.c:258) [ 491.130030][T10602] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 491.130032][T10602] ___sys_sendmsg (net/socket.c:2767) [ 491.130034][T10602] ? copy_msghdr_from_user (net/socket.c:2619) [ 491.130039][T10602] __sys_sendmsg (net/socket.c:2799) [ 491.130041][T10602] ? __sys_sendmsg_sock (net/socket.c:2780) [ 491.130047][T10602] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 491.130048][T10602] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 491.130050][T10602] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 491.130053][T10602] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 491.130054][T10602] RIP: 0033:0x7f55e24cb54e [ 491.130056][T10602] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 491.130058][T10602] RSP: 002b:00007fff4ff0c8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 491.130062][T10602] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f55e24cb54e [ 491.130063][T10602] RDX: 0000000000000000 RSI: 00007fff4ff0c980 RDI: 0000000000000005 [ 491.130064][T10602] RBP: 00007fff4ff0c8e0 R08: 0000000000000000 R09: 0000000000000000 [ 491.130065][T10602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916962 [ 491.130066][T10602] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ff0d040 | [ 492.194120][T10652] softirqs last disabled at (0): 0x0 | [ 492.194122][T10652] Preemption disabled at: | [ 492.194123][T10652] vprintk_emit (kernel/printk/printk.c:2471) | [ 492.194133][T10652] Tainted: [W]=WARN [ 492.194134][T10652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 492.194136][T10652] Call Trace: [ 492.194137][T10652] [ 492.194138][T10652] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 492.194144][T10652] ? vprintk_emit (kernel/printk/printk.c:2471) [ 492.194146][T10652] __might_resched.cold (kernel/sched/core.c:9234) [ 492.194149][T10652] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 492.194151][T10652] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 492.194155][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194157][T10652] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 492.194160][T10652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 492.194163][T10652] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 492.194168][T10652] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 492.194170][T10652] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 492.194173][T10652] put_chars (drivers/char/virtio_console.c:1176) [ 492.194174][T10652] ? __send_to_port (drivers/char/virtio_console.c:654) [ 492.194176][T10652] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 492.194179][T10652] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 492.194183][T10652] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 492.194185][T10652] ? vsnprintf (lib/vsprintf.c:2900) [ 492.194188][T10652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 492.194190][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194191][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194193][T10652] console_emit_next_record (kernel/printk/printk.c:3183) [ 492.194196][T10652] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 492.194198][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194199][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194200][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194201][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194203][T10652] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 492.194205][T10652] console_flush_one_record (kernel/printk/printk.c:3268) [ 492.194207][T10652] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 492.194210][T10652] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 492.194212][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194214][T10652] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 492.194215][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194216][T10652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.194218][T10652] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 492.194219][T10652] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 492.194221][T10652] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 492.194223][T10652] ? vprintk_emit (kernel/printk/printk.c:2478) [ 492.194224][T10652] vprintk_emit (kernel/printk/printk.c:2479) [ 492.194226][T10652] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 492.194227][T10652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 492.194229][T10652] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 492.194232][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194233][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194235][T10652] _printk (kernel/printk/printk.c:2504) [ 492.194238][T10652] ? snapshot_read.cold (user.c:?) [ 492.194240][T10652] ? br_multicast_flood (??:?) [ 492.194243][T10652] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 492.194246][T10652] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 492.194247][T10652] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 492.194249][T10652] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 492.194252][T10652] br_init_port (net/bridge/br_stp_if.c:39) [ 492.194254][T10652] new_nbp (net/bridge/br_if.c:449) [ 492.194256][T10652] br_add_if (net/bridge/br_if.c:592) [ 492.194258][T10652] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 492.194262][T10652] do_set_master (net/core/rtnetlink.c:3071) [ 492.194264][T10652] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 492.194266][T10652] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 492.194267][T10652] ? __dev_get_by_name (net/core/dev.c:905) [ 492.194269][T10652] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 492.194272][T10652] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 492.194275][T10652] rtnl_newlink (net/core/rtnetlink.c:4215) [ 492.194277][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194278][T10652] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 492.194279][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194281][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194282][T10652] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 492.194285][T10652] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 492.194287][T10652] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 492.194289][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194290][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194291][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194293][T10652] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 492.194294][T10652] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 492.194296][T10652] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 492.194297][T10652] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 492.194298][T10652] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 492.194302][T10652] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 492.194305][T10652] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 492.194306][T10652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.194308][T10652] ? netlink_ack (./include/linux/skbuff.h:2718) [ 492.194309][T10652] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 492.194312][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194313][T10652] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 492.194315][T10652] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 492.194318][T10652] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 492.194320][T10652] ? next_uptodate_folio (mm/filemap.c:3747) [ 492.194323][T10652] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 492.194325][T10652] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 492.194327][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194328][T10652] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 492.194332][T10652] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 492.194335][T10652] ____sys_sendmsg (net/socket.c:2713) [ 492.194337][T10652] ? copy_msghdr_from_user (net/socket.c:2650) [ 492.194338][T10652] ? sock_write_iter (net/socket.c:1269) [ 492.194340][T10652] ? move_addr_to_kernel (net/socket.c:258) [ 492.194342][T10652] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 492.194344][T10652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 492.194347][T10652] ___sys_sendmsg (net/socket.c:2767) [ 492.194348][T10652] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 492.194350][T10652] ? copy_msghdr_from_user (net/socket.c:2619) [ 492.194351][T10652] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 492.194356][T10652] __sys_sendmsg (net/socket.c:2799) [ 492.194358][T10652] ? __sys_sendmsg_sock (net/socket.c:2780) [ 492.194361][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194362][T10652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 492.194363][T10652] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 492.194366][T10652] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 492.194368][T10652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 492.194370][T10652] RIP: 0033:0x7f5567ba054e [ 492.194372][T10652] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 492.194373][T10652] RSP: 002b:00007ffe53bbde80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 492.194377][T10652] RAX: ffffffffffffffda RBX: 00007ffe53bbe648 RCX: 00007f5567ba054e [ 492.194378][T10652] RDX: 0000000000000000 RSI: 00007ffe53bbdf30 RDI: 0000000000000005 [ 492.194379][T10652] RBP: 00007ffe53bbde90 R08: 0000000000000000 R09: 0000000000000000 [ 492.194380][T10652] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916963 [ 492.194381][T10652] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe53bbe600 | [ 498.945444][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 498.945447][ T12] Preemption disabled at: | [ 498.945448][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 498.945458][ T12] Tainted: [W]=WARN [ 498.945459][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 498.945460][ T12] Workqueue: netns cleanup_net [ 498.945466][ T12] Call Trace: [ 498.945468][ T12] [ 498.945469][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 498.945475][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 498.945476][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 498.945479][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 498.945482][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 498.945485][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945488][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 498.945491][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 498.945494][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 498.945499][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 498.945500][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 498.945503][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 498.945505][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 498.945506][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 498.945509][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 498.945514][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 498.945516][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 498.945518][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 498.945520][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945521][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945523][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 498.945525][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 498.945527][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945528][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945529][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945530][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.945533][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 498.945535][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 498.945537][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 498.945540][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 498.945542][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.945543][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 498.945545][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945546][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 498.945548][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 498.945550][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 498.945551][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 498.945553][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 498.945555][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 498.945556][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 498.945557][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 498.945559][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 498.945562][ T12] ? kthread (kernel/kthread.c:436) [ 498.945564][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 498.945567][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 498.945570][ T12] _printk (kernel/printk/printk.c:2504) [ 498.945573][ T12] ? snapshot_read.cold (user.c:?) [ 498.945575][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 498.945578][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 498.945580][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 498.945583][ T12] ? netdev_notice (net/core/dev.c:13194) [ 498.945585][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945586][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 498.945588][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 498.945591][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 498.945592][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 498.945594][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 498.945596][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 498.945599][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 498.945603][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 498.945605][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 498.945608][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 498.945610][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 498.945612][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 498.945615][ T12] cleanup_net (net/core/net_namespace.c:706) [ 498.945617][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 498.945619][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.945620][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.945622][ T12] process_one_work (kernel/workqueue.c:3387) [ 498.945625][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 498.945628][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 498.945630][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 498.945633][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 498.945635][ T12] kthread (kernel/kthread.c:436) [ 498.945637][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 498.945638][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 498.945640][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 498.945642][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 498.945644][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 498.945647][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 498.945649][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 500.147434][T10814] softirqs last disabled at (0): 0x0 | [ 500.147436][T10814] Preemption disabled at: | [ 500.147437][T10814] vprintk_emit (kernel/printk/printk.c:2471) | [ 500.147448][T10814] Tainted: [W]=WARN [ 500.147449][T10814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 500.147451][T10814] Call Trace: [ 500.147452][T10814] [ 500.147453][T10814] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 500.147459][T10814] ? vprintk_emit (kernel/printk/printk.c:2471) [ 500.147461][T10814] __might_resched.cold (kernel/sched/core.c:9234) [ 500.147465][T10814] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 500.147467][T10814] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 500.147470][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147473][T10814] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 500.147475][T10814] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 500.147478][T10814] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 500.147483][T10814] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 500.147486][T10814] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 500.147488][T10814] put_chars (drivers/char/virtio_console.c:1176) [ 500.147490][T10814] ? __send_to_port (drivers/char/virtio_console.c:654) [ 500.147492][T10814] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 500.147494][T10814] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 500.147499][T10814] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 500.147501][T10814] ? vsnprintf (lib/vsprintf.c:2900) [ 500.147504][T10814] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 500.147506][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147507][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147509][T10814] console_emit_next_record (kernel/printk/printk.c:3183) [ 500.147512][T10814] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 500.147514][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147515][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147516][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147517][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147519][T10814] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 500.147521][T10814] console_flush_one_record (kernel/printk/printk.c:3268) [ 500.147524][T10814] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 500.147527][T10814] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 500.147528][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147530][T10814] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 500.147532][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147533][T10814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 500.147535][T10814] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 500.147536][T10814] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 500.147538][T10814] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 500.147540][T10814] ? vprintk_emit (kernel/printk/printk.c:2478) [ 500.147541][T10814] vprintk_emit (kernel/printk/printk.c:2479) [ 500.147543][T10814] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 500.147544][T10814] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 500.147546][T10814] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 500.147549][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147550][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147552][T10814] _printk (kernel/printk/printk.c:2504) [ 500.147555][T10814] ? snapshot_read.cold (user.c:?) [ 500.147557][T10814] ? br_multicast_flood (??:?) [ 500.147560][T10814] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 500.147563][T10814] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 500.147565][T10814] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 500.147566][T10814] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 500.147569][T10814] br_init_port (net/bridge/br_stp_if.c:39) [ 500.147571][T10814] new_nbp (net/bridge/br_if.c:449) [ 500.147573][T10814] br_add_if (net/bridge/br_if.c:592) [ 500.147575][T10814] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 500.147580][T10814] do_set_master (net/core/rtnetlink.c:3071) [ 500.147582][T10814] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 500.147583][T10814] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 500.147585][T10814] ? __dev_get_by_name (net/core/dev.c:905) [ 500.147587][T10814] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 500.147591][T10814] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 500.147593][T10814] rtnl_newlink (net/core/rtnetlink.c:4215) [ 500.147595][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147597][T10814] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 500.147598][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147600][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147601][T10814] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 500.147604][T10814] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 500.147606][T10814] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 500.147608][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147609][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147611][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147612][T10814] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 500.147613][T10814] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 500.147615][T10814] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 500.147617][T10814] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 500.147618][T10814] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 500.147622][T10814] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 500.147625][T10814] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 500.147626][T10814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 500.147628][T10814] ? netlink_ack (./include/linux/skbuff.h:2718) [ 500.147630][T10814] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 500.147633][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147634][T10814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 500.147636][T10814] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 500.147638][T10814] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 500.147640][T10814] ? next_uptodate_folio (mm/filemap.c:3747) [ 500.147643][T10814] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 500.147646][T10814] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 500.147648][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147649][T10814] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 500.147653][T10814] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 500.147656][T10814] ____sys_sendmsg (net/socket.c:2713) [ 500.147658][T10814] ? copy_msghdr_from_user (net/socket.c:2650) [ 500.147659][T10814] ? sock_write_iter (net/socket.c:1269) [ 500.147661][T10814] ? move_addr_to_kernel (net/socket.c:258) [ 500.147663][T10814] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 500.147666][T10814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 500.147668][T10814] ___sys_sendmsg (net/socket.c:2767) [ 500.147670][T10814] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 500.147671][T10814] ? copy_msghdr_from_user (net/socket.c:2619) [ 500.147673][T10814] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 500.147678][T10814] __sys_sendmsg (net/socket.c:2799) [ 500.147680][T10814] ? __sys_sendmsg_sock (net/socket.c:2780) [ 500.147683][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147684][T10814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 500.147685][T10814] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 500.147688][T10814] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 500.147690][T10814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 500.147692][T10814] RIP: 0033:0x7f796b32454e [ 500.147694][T10814] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 500.147696][T10814] RSP: 002b:00007fff1a7d9d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 500.147699][T10814] RAX: ffffffffffffffda RBX: 00007fff1a7da548 RCX: 00007f796b32454e [ 500.147701][T10814] RDX: 0000000000000000 RSI: 00007fff1a7d9e30 RDI: 0000000000000005 [ 500.147702][T10814] RBP: 00007fff1a7d9d90 R08: 0000000000000000 R09: 0000000000000000 [ 500.147703][T10814] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91696b [ 500.147704][T10814] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1a7da500 | [ 501.444168][T10882] softirqs last disabled at (0): 0x0 | [ 501.444170][T10882] Preemption disabled at: | [ 501.444170][T10882] vprintk_emit (kernel/printk/printk.c:2471) | [ 501.444180][T10882] Tainted: [W]=WARN [ 501.444181][T10882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 501.444183][T10882] Call Trace: [ 501.444184][T10882] [ 501.444186][T10882] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 501.444191][T10882] ? vprintk_emit (kernel/printk/printk.c:2471) [ 501.444192][T10882] __might_resched.cold (kernel/sched/core.c:9234) [ 501.444196][T10882] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 501.444200][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444202][T10882] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 501.444205][T10882] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.444208][T10882] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 501.444213][T10882] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 501.444215][T10882] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 501.444218][T10882] put_chars (drivers/char/virtio_console.c:1176) [ 501.444219][T10882] ? __send_to_port (drivers/char/virtio_console.c:654) [ 501.444220][T10882] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 501.444223][T10882] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 501.444225][T10882] ? pointer (lib/vsprintf.c:2577) [ 501.444228][T10882] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 501.444233][T10882] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 501.444235][T10882] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.444237][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444239][T10882] console_emit_next_record (kernel/printk/printk.c:3183) [ 501.444242][T10882] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 501.444244][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444245][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444246][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444247][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444249][T10882] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 501.444251][T10882] console_flush_one_record (kernel/printk/printk.c:3268) [ 501.444253][T10882] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 501.444256][T10882] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 501.444258][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444259][T10882] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 501.444261][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444262][T10882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.444264][T10882] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 501.444265][T10882] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 501.444267][T10882] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 501.444269][T10882] ? vprintk_emit (kernel/printk/printk.c:2478) [ 501.444270][T10882] vprintk_emit (kernel/printk/printk.c:2479) [ 501.444272][T10882] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 501.444273][T10882] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 501.444276][T10882] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 501.444279][T10882] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 501.444281][T10882] _printk (kernel/printk/printk.c:2504) [ 501.444284][T10882] ? snapshot_read.cold (user.c:?) [ 501.444286][T10882] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 501.444289][T10882] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 501.444292][T10882] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 501.444294][T10882] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 501.444297][T10882] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 501.444299][T10882] ? netdev_notice (net/core/dev.c:13194) [ 501.444301][T10882] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 501.444303][T10882] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 501.444305][T10882] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.444307][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444308][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444309][T10882] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 501.444310][T10882] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 501.444312][T10882] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 501.444313][T10882] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 501.444314][T10882] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 501.444316][T10882] ? register_netdev (net/core/dev.c:11618) [ 501.444317][T10882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.444319][T10882] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 501.444322][T10882] ? __kernel_text_address (kernel/extable.c:79) [ 501.444325][T10882] ? write_profile (profile.c:?) [ 501.444327][T10882] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 501.444331][T10882] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 501.444333][T10882] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 501.444334][T10882] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 501.444335][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444337][T10882] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 501.444340][T10882] ? kasan_save_stack (mm/kasan/common.c:58) [ 501.444342][T10882] ? kasan_save_stack (mm/kasan/common.c:57) [ 501.444343][T10882] ? kasan_save_track (mm/kasan/common.c:78) [ 501.444344][T10882] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 501.444345][T10882] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 501.444346][T10882] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 501.444347][T10882] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 501.444348][T10882] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 501.444351][T10882] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 501.444353][T10882] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 501.444354][T10882] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 501.444357][T10882] ? ____sys_sendmsg (net/socket.c:2713) [ 501.444358][T10882] ? ___sys_sendmsg (net/socket.c:2767) [ 501.444359][T10882] ? __sys_sendmsg (net/socket.c:2799) [ 501.444361][T10882] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 501.444363][T10882] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 501.444366][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444367][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444368][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444369][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444370][T10882] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 501.444372][T10882] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 501.444373][T10882] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 501.444374][T10882] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 501.444375][T10882] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 501.444377][T10882] ? nla_get_range_signed (lib/nlattr.c:270) [ 501.444380][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444381][T10882] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 501.444383][T10882] rtnl_newlink (net/core/rtnetlink.c:4215) [ 501.444385][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444386][T10882] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 501.444387][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444389][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444390][T10882] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 501.444392][T10882] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 501.444394][T10882] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 501.444395][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444396][T10882] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 501.444399][T10882] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 501.444402][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444403][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444404][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444406][T10882] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 501.444407][T10882] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 501.444409][T10882] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 501.444410][T10882] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 501.444412][T10882] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 501.444414][T10882] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 501.444416][T10882] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 501.444417][T10882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.444419][T10882] ? netlink_ack (./include/linux/skbuff.h:2718) [ 501.444420][T10882] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 501.444423][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444425][T10882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.444427][T10882] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 501.444429][T10882] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 501.444431][T10882] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 501.444432][T10882] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 501.444435][T10882] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 501.444436][T10882] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 501.444438][T10882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.444439][T10882] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 501.444442][T10882] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 501.444444][T10882] ____sys_sendmsg (net/socket.c:2713) [ 501.444446][T10882] ? copy_msghdr_from_user (net/socket.c:2650) [ 501.444448][T10882] ? sock_write_iter (net/socket.c:1269) [ 501.444449][T10882] ? move_addr_to_kernel (net/socket.c:258) [ 501.444451][T10882] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 501.444453][T10882] ___sys_sendmsg (net/socket.c:2767) [ 501.444455][T10882] ? copy_msghdr_from_user (net/socket.c:2619) [ 501.444460][T10882] __sys_sendmsg (net/socket.c:2799) [ 501.444462][T10882] ? __sys_sendmsg_sock (net/socket.c:2780) [ 501.444464][T10882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.444466][T10882] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 501.444467][T10882] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 501.444469][T10882] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 501.444471][T10882] RIP: 0033:0x7f8dd878554e [ 501.444473][T10882] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 501.444475][T10882] RSP: 002b:00007ffcfa7354f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 501.444478][T10882] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8dd878554e [ 501.444479][T10882] RDX: 0000000000000000 RSI: 00007ffcfa7355a0 RDI: 0000000000000005 [ 501.444480][T10882] RBP: 00007ffcfa735500 R08: 0000000000000000 R09: 0000000000000000 [ 501.444481][T10882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91696c [ 501.444482][T10882] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfa735c60 | [ 502.511313][T10940] softirqs last disabled at (0): 0x0 | [ 502.511315][T10940] Preemption disabled at: | [ 502.511316][T10940] vprintk_emit (kernel/printk/printk.c:2471) | [ 502.511326][T10940] Tainted: [W]=WARN [ 502.511327][T10940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 502.511329][T10940] Call Trace: [ 502.511330][T10940] [ 502.511332][T10940] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 502.511337][T10940] ? vprintk_emit (kernel/printk/printk.c:2471) [ 502.511339][T10940] __might_resched.cold (kernel/sched/core.c:9234) [ 502.511343][T10940] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 502.511345][T10940] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 502.511348][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511351][T10940] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 502.511354][T10940] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.511358][T10940] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 502.511362][T10940] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 502.511364][T10940] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 502.511367][T10940] put_chars (drivers/char/virtio_console.c:1176) [ 502.511369][T10940] ? __send_to_port (drivers/char/virtio_console.c:654) [ 502.511370][T10940] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 502.511373][T10940] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 502.511378][T10940] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 502.511380][T10940] ? vsnprintf (lib/vsprintf.c:2900) [ 502.511383][T10940] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.511385][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511386][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511388][T10940] console_emit_next_record (kernel/printk/printk.c:3183) [ 502.511390][T10940] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 502.511393][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511394][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511395][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511396][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511398][T10940] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 502.511400][T10940] console_flush_one_record (kernel/printk/printk.c:3268) [ 502.511402][T10940] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 502.511405][T10940] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 502.511407][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511408][T10940] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 502.511410][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511411][T10940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.511413][T10940] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 502.511414][T10940] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 502.511416][T10940] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 502.511418][T10940] ? vprintk_emit (kernel/printk/printk.c:2478) [ 502.511419][T10940] vprintk_emit (kernel/printk/printk.c:2479) [ 502.511421][T10940] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 502.511422][T10940] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.511424][T10940] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 502.511427][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511428][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511430][T10940] _printk (kernel/printk/printk.c:2504) [ 502.511433][T10940] ? snapshot_read.cold (user.c:?) [ 502.511435][T10940] ? br_multicast_flood (??:?) [ 502.511438][T10940] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 502.511441][T10940] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 502.511442][T10940] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 502.511444][T10940] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 502.511447][T10940] br_init_port (net/bridge/br_stp_if.c:39) [ 502.511448][T10940] new_nbp (net/bridge/br_if.c:449) [ 502.511450][T10940] br_add_if (net/bridge/br_if.c:592) [ 502.511452][T10940] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 502.511457][T10940] do_set_master (net/core/rtnetlink.c:3071) [ 502.511458][T10940] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 502.511460][T10940] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 502.511461][T10940] ? __dev_get_by_name (net/core/dev.c:905) [ 502.511463][T10940] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 502.511467][T10940] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 502.511470][T10940] rtnl_newlink (net/core/rtnetlink.c:4215) [ 502.511472][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511473][T10940] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 502.511474][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511476][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511477][T10940] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 502.511480][T10940] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 502.511481][T10940] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 502.511484][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511485][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511487][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511488][T10940] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 502.511489][T10940] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 502.511491][T10940] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 502.511492][T10940] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 502.511494][T10940] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 502.511498][T10940] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 502.511501][T10940] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 502.511502][T10940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.511504][T10940] ? netlink_ack (./include/linux/skbuff.h:2718) [ 502.511505][T10940] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 502.511508][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511509][T10940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.511511][T10940] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 502.511514][T10940] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 502.511516][T10940] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 502.511518][T10940] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 502.511521][T10940] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 502.511524][T10940] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 502.511526][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511527][T10940] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 502.511531][T10940] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 502.511534][T10940] ____sys_sendmsg (net/socket.c:2713) [ 502.511536][T10940] ? copy_msghdr_from_user (net/socket.c:2650) [ 502.511537][T10940] ? sock_write_iter (net/socket.c:1269) [ 502.511539][T10940] ? move_addr_to_kernel (net/socket.c:258) [ 502.511541][T10940] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 502.511543][T10940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.511545][T10940] ___sys_sendmsg (net/socket.c:2767) [ 502.511547][T10940] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 502.511549][T10940] ? copy_msghdr_from_user (net/socket.c:2619) [ 502.511550][T10940] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 502.511555][T10940] __sys_sendmsg (net/socket.c:2799) [ 502.511557][T10940] ? __sys_sendmsg_sock (net/socket.c:2780) [ 502.511559][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511561][T10940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.511562][T10940] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 502.511564][T10940] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 502.511566][T10940] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.511568][T10940] RIP: 0033:0x7f9d70bde54e [ 502.511570][T10940] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 502.511572][T10940] RSP: 002b:00007ffde9ff51a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 502.511576][T10940] RAX: ffffffffffffffda RBX: 00007ffde9ff5968 RCX: 00007f9d70bde54e [ 502.511577][T10940] RDX: 0000000000000000 RSI: 00007ffde9ff5250 RDI: 0000000000000005 [ 502.511578][T10940] RBP: 00007ffde9ff51b0 R08: 0000000000000000 R09: 0000000000000000 [ 502.511579][T10940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91696d [ 502.511580][T10940] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde9ff5920 | [ 509.282579][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 509.282581][ T12] Preemption disabled at: | [ 509.282582][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 509.282592][ T12] Tainted: [W]=WARN [ 509.282593][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 509.282595][ T12] Workqueue: netns cleanup_net [ 509.282601][ T12] Call Trace: [ 509.282602][ T12] [ 509.282604][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 509.282610][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 509.282611][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 509.282615][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 509.282617][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 509.282620][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282622][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 509.282625][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 509.282628][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 509.282633][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 509.282635][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 509.282637][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 509.282639][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 509.282641][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 509.282643][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 509.282648][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 509.282650][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 509.282652][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 509.282654][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282655][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282657][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 509.282659][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 509.282661][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282662][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282663][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282664][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.282667][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 509.282669][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 509.282671][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 509.282674][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 509.282676][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.282678][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 509.282679][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282680][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 509.282682][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 509.282683][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 509.282685][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 509.282687][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 509.282688][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 509.282690][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 509.282691][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 509.282693][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 509.282695][ T12] ? kthread (kernel/kthread.c:436) [ 509.282698][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 509.282700][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 509.282703][ T12] _printk (kernel/printk/printk.c:2504) [ 509.282706][ T12] ? snapshot_read.cold (user.c:?) [ 509.282708][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 509.282711][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 509.282714][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 509.282716][ T12] ? netdev_notice (net/core/dev.c:13194) [ 509.282718][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282719][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 509.282721][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 509.282724][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 509.282726][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 509.282727][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 509.282729][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 509.282732][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 509.282736][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 509.282738][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 509.282740][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 509.282742][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 509.282744][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 509.282747][ T12] cleanup_net (net/core/net_namespace.c:706) [ 509.282749][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 509.282751][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.282753][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.282754][ T12] process_one_work (kernel/workqueue.c:3387) [ 509.282757][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 509.282760][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 509.282762][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 509.282765][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 509.282767][ T12] kthread (kernel/kthread.c:436) [ 509.282768][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 509.282770][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 509.282772][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 509.282774][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 509.282776][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 509.282779][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 509.282780][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 510.497478][T11103] softirqs last disabled at (0): 0x0 | [ 510.497480][T11103] Preemption disabled at: | [ 510.497481][T11103] vprintk_emit (kernel/printk/printk.c:2471) | [ 510.497491][T11103] Tainted: [W]=WARN [ 510.497492][T11103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 510.497493][T11103] Call Trace: [ 510.497495][T11103] [ 510.497497][T11103] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 510.497502][T11103] ? vprintk_emit (kernel/printk/printk.c:2471) [ 510.497504][T11103] __might_resched.cold (kernel/sched/core.c:9234) [ 510.497507][T11103] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 510.497510][T11103] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 510.497513][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497516][T11103] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 510.497519][T11103] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.497521][T11103] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 510.497527][T11103] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 510.497529][T11103] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 510.497531][T11103] put_chars (drivers/char/virtio_console.c:1176) [ 510.497533][T11103] ? __send_to_port (drivers/char/virtio_console.c:654) [ 510.497534][T11103] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 510.497537][T11103] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 510.497542][T11103] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 510.497543][T11103] ? vsnprintf (lib/vsprintf.c:2900) [ 510.497547][T11103] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.497548][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497550][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497551][T11103] console_emit_next_record (kernel/printk/printk.c:3183) [ 510.497554][T11103] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 510.497556][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497557][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497558][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497559][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497562][T11103] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 510.497564][T11103] console_flush_one_record (kernel/printk/printk.c:3268) [ 510.497566][T11103] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 510.497569][T11103] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 510.497571][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497572][T11103] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 510.497574][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497575][T11103] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.497577][T11103] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 510.497578][T11103] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 510.497580][T11103] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 510.497582][T11103] ? vprintk_emit (kernel/printk/printk.c:2478) [ 510.497583][T11103] vprintk_emit (kernel/printk/printk.c:2479) [ 510.497585][T11103] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 510.497586][T11103] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.497588][T11103] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 510.497591][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497592][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497594][T11103] _printk (kernel/printk/printk.c:2504) [ 510.497597][T11103] ? snapshot_read.cold (user.c:?) [ 510.497599][T11103] ? br_multicast_flood (??:?) [ 510.497602][T11103] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 510.497605][T11103] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 510.497606][T11103] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 510.497608][T11103] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 510.497611][T11103] br_init_port (net/bridge/br_stp_if.c:39) [ 510.497613][T11103] new_nbp (net/bridge/br_if.c:449) [ 510.497615][T11103] br_add_if (net/bridge/br_if.c:592) [ 510.497617][T11103] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 510.497621][T11103] do_set_master (net/core/rtnetlink.c:3071) [ 510.497623][T11103] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 510.497624][T11103] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 510.497626][T11103] ? __dev_get_by_name (net/core/dev.c:905) [ 510.497628][T11103] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 510.497632][T11103] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 510.497634][T11103] rtnl_newlink (net/core/rtnetlink.c:4215) [ 510.497636][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497637][T11103] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 510.497639][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497640][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497642][T11103] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 510.497644][T11103] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 510.497646][T11103] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 510.497649][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497650][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497651][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497652][T11103] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 510.497654][T11103] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 510.497655][T11103] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 510.497657][T11103] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 510.497658][T11103] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 510.497662][T11103] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 510.497665][T11103] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 510.497666][T11103] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.497668][T11103] ? netlink_ack (./include/linux/skbuff.h:2718) [ 510.497670][T11103] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 510.497673][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497674][T11103] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.497676][T11103] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 510.497678][T11103] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 510.497680][T11103] ? next_uptodate_folio (mm/filemap.c:3747) [ 510.497683][T11103] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 510.497685][T11103] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 510.497687][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497689][T11103] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 510.497692][T11103] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 510.497695][T11103] ____sys_sendmsg (net/socket.c:2713) [ 510.497696][T11103] ? copy_msghdr_from_user (net/socket.c:2650) [ 510.497698][T11103] ? sock_write_iter (net/socket.c:1269) [ 510.497700][T11103] ? move_addr_to_kernel (net/socket.c:258) [ 510.497702][T11103] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 510.497704][T11103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.497706][T11103] ___sys_sendmsg (net/socket.c:2767) [ 510.497708][T11103] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 510.497710][T11103] ? copy_msghdr_from_user (net/socket.c:2619) [ 510.497711][T11103] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 510.497716][T11103] __sys_sendmsg (net/socket.c:2799) [ 510.497718][T11103] ? __sys_sendmsg_sock (net/socket.c:2780) [ 510.497720][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497722][T11103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.497723][T11103] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 510.497726][T11103] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 510.497728][T11103] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 510.497730][T11103] RIP: 0033:0x7fc93acc754e [ 510.497732][T11103] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 510.497734][T11103] RSP: 002b:00007ffe769dd990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 510.497738][T11103] RAX: ffffffffffffffda RBX: 00007ffe769de158 RCX: 00007fc93acc754e [ 510.497739][T11103] RDX: 0000000000000000 RSI: 00007ffe769dda40 RDI: 0000000000000005 [ 510.497740][T11103] RBP: 00007ffe769dd9a0 R08: 0000000000000000 R09: 0000000000000000 [ 510.497741][T11103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916975 [ 510.497742][T11103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe769de110 | [ 511.811125][T11172] softirqs last disabled at (0): 0x0 | [ 511.811127][T11172] Preemption disabled at: | [ 511.811127][T11172] vprintk_emit (kernel/printk/printk.c:2471) | [ 511.811138][T11172] Tainted: [W]=WARN [ 511.811139][T11172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 511.811140][T11172] Call Trace: [ 511.811142][T11172] [ 511.811143][T11172] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 511.811149][T11172] ? vprintk_emit (kernel/printk/printk.c:2471) [ 511.811150][T11172] __might_resched.cold (kernel/sched/core.c:9234) [ 511.811154][T11172] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 511.811158][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811160][T11172] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 511.811164][T11172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.811167][T11172] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 511.811172][T11172] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 511.811174][T11172] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 511.811177][T11172] put_chars (drivers/char/virtio_console.c:1176) [ 511.811178][T11172] ? __send_to_port (drivers/char/virtio_console.c:654) [ 511.811180][T11172] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 511.811182][T11172] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 511.811184][T11172] ? pointer (lib/vsprintf.c:2577) [ 511.811187][T11172] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 511.811192][T11172] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 511.811194][T11172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.811196][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811199][T11172] console_emit_next_record (kernel/printk/printk.c:3183) [ 511.811201][T11172] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 511.811203][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811205][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811206][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811207][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811209][T11172] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 511.811210][T11172] console_flush_one_record (kernel/printk/printk.c:3268) [ 511.811213][T11172] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 511.811215][T11172] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 511.811217][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811219][T11172] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 511.811221][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811222][T11172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.811223][T11172] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 511.811225][T11172] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 511.811226][T11172] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 511.811228][T11172] ? vprintk_emit (kernel/printk/printk.c:2478) [ 511.811230][T11172] vprintk_emit (kernel/printk/printk.c:2479) [ 511.811231][T11172] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 511.811233][T11172] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 511.811235][T11172] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 511.811238][T11172] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 511.811240][T11172] _printk (kernel/printk/printk.c:2504) [ 511.811244][T11172] ? snapshot_read.cold (user.c:?) [ 511.811246][T11172] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 511.811248][T11172] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 511.811251][T11172] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 511.811253][T11172] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 511.811256][T11172] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 511.811259][T11172] ? netdev_notice (net/core/dev.c:13194) [ 511.811261][T11172] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 511.811263][T11172] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 511.811265][T11172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.811267][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811268][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811269][T11172] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 511.811270][T11172] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 511.811272][T11172] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 511.811273][T11172] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 511.811274][T11172] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 511.811276][T11172] ? register_netdev (net/core/dev.c:11618) [ 511.811277][T11172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.811279][T11172] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 511.811282][T11172] ? __kernel_text_address (kernel/extable.c:79) [ 511.811285][T11172] ? write_profile (profile.c:?) [ 511.811288][T11172] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 511.811291][T11172] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 511.811293][T11172] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 511.811294][T11172] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 511.811296][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811297][T11172] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 511.811300][T11172] ? kasan_save_stack (mm/kasan/common.c:58) [ 511.811302][T11172] ? kasan_save_stack (mm/kasan/common.c:57) [ 511.811303][T11172] ? kasan_save_track (mm/kasan/common.c:78) [ 511.811304][T11172] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 511.811305][T11172] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 511.811306][T11172] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 511.811307][T11172] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 511.811308][T11172] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 511.811312][T11172] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 511.811313][T11172] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 511.811315][T11172] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 511.811317][T11172] ? ____sys_sendmsg (net/socket.c:2713) [ 511.811319][T11172] ? ___sys_sendmsg (net/socket.c:2767) [ 511.811320][T11172] ? __sys_sendmsg (net/socket.c:2799) [ 511.811322][T11172] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 511.811324][T11172] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 511.811327][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811328][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811330][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811331][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811332][T11172] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 511.811334][T11172] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 511.811335][T11172] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 511.811336][T11172] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 511.811338][T11172] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 511.811339][T11172] ? nla_get_range_signed (lib/nlattr.c:270) [ 511.811342][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811344][T11172] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 511.811346][T11172] rtnl_newlink (net/core/rtnetlink.c:4215) [ 511.811348][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811349][T11172] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 511.811350][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811352][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811354][T11172] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 511.811356][T11172] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 511.811357][T11172] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 511.811358][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811360][T11172] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 511.811363][T11172] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 511.811365][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811366][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811368][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811369][T11172] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 511.811370][T11172] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 511.811372][T11172] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 511.811373][T11172] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 511.811375][T11172] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 511.811377][T11172] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 511.811379][T11172] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 511.811380][T11172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.811382][T11172] ? netlink_ack (./include/linux/skbuff.h:2718) [ 511.811383][T11172] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 511.811386][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811387][T11172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.811389][T11172] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 511.811392][T11172] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 511.811393][T11172] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 511.811395][T11172] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 511.811397][T11172] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 511.811399][T11172] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 511.811401][T11172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.811402][T11172] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 511.811406][T11172] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 511.811407][T11172] ____sys_sendmsg (net/socket.c:2713) [ 511.811409][T11172] ? copy_msghdr_from_user (net/socket.c:2650) [ 511.811411][T11172] ? sock_write_iter (net/socket.c:1269) [ 511.811412][T11172] ? move_addr_to_kernel (net/socket.c:258) [ 511.811414][T11172] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 511.811416][T11172] ___sys_sendmsg (net/socket.c:2767) [ 511.811418][T11172] ? copy_msghdr_from_user (net/socket.c:2619) [ 511.811423][T11172] __sys_sendmsg (net/socket.c:2799) [ 511.811425][T11172] ? __sys_sendmsg_sock (net/socket.c:2780) [ 511.811427][T11172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.811429][T11172] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 511.811431][T11172] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 511.811433][T11172] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 511.811434][T11172] RIP: 0033:0x7f69d45af54e [ 511.811436][T11172] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 511.811438][T11172] RSP: 002b:00007fff16747f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 511.811442][T11172] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f69d45af54e [ 511.811444][T11172] RDX: 0000000000000000 RSI: 00007fff16747fd0 RDI: 0000000000000005 [ 511.811445][T11172] RBP: 00007fff16747f30 R08: 0000000000000000 R09: 0000000000000000 [ 511.811445][T11172] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916977 [ 511.811446][T11172] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff16748690 | [ 512.902050][T11224] softirqs last disabled at (0): 0x0 | [ 512.902052][T11224] Preemption disabled at: | [ 512.902053][T11224] vprintk_emit (kernel/printk/printk.c:2471) | [ 512.902063][T11224] Tainted: [W]=WARN [ 512.902064][T11224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 512.902066][T11224] Call Trace: [ 512.902067][T11224] [ 512.902068][T11224] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 512.902074][T11224] ? vprintk_emit (kernel/printk/printk.c:2471) [ 512.902075][T11224] __might_resched.cold (kernel/sched/core.c:9234) [ 512.902079][T11224] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 512.902081][T11224] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 512.902084][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902087][T11224] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 512.902090][T11224] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 512.902097][T11224] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 512.902102][T11224] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 512.902104][T11224] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 512.902107][T11224] put_chars (drivers/char/virtio_console.c:1176) [ 512.902108][T11224] ? __send_to_port (drivers/char/virtio_console.c:654) [ 512.902110][T11224] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 512.902113][T11224] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 512.902117][T11224] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 512.902119][T11224] ? vsnprintf (lib/vsprintf.c:2900) [ 512.902123][T11224] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 512.902124][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902125][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902127][T11224] console_emit_next_record (kernel/printk/printk.c:3183) [ 512.902130][T11224] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 512.902132][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902133][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902134][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902135][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902138][T11224] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 512.902139][T11224] console_flush_one_record (kernel/printk/printk.c:3268) [ 512.902142][T11224] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 512.902145][T11224] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 512.902147][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902148][T11224] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 512.902150][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902151][T11224] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 512.902152][T11224] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 512.902154][T11224] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 512.902155][T11224] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 512.902157][T11224] ? vprintk_emit (kernel/printk/printk.c:2478) [ 512.902159][T11224] vprintk_emit (kernel/printk/printk.c:2479) [ 512.902160][T11224] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 512.902162][T11224] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 512.902163][T11224] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 512.902166][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902168][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902169][T11224] _printk (kernel/printk/printk.c:2504) [ 512.902172][T11224] ? snapshot_read.cold (user.c:?) [ 512.902174][T11224] ? br_multicast_flood (??:?) [ 512.902177][T11224] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 512.902180][T11224] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 512.902181][T11224] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 512.902183][T11224] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 512.902186][T11224] br_init_port (net/bridge/br_stp_if.c:39) [ 512.902188][T11224] new_nbp (net/bridge/br_if.c:449) [ 512.902190][T11224] br_add_if (net/bridge/br_if.c:592) [ 512.902192][T11224] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 512.902196][T11224] do_set_master (net/core/rtnetlink.c:3071) [ 512.902198][T11224] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 512.902200][T11224] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 512.902201][T11224] ? __dev_get_by_name (net/core/dev.c:905) [ 512.902203][T11224] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 512.902207][T11224] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 512.902209][T11224] rtnl_newlink (net/core/rtnetlink.c:4215) [ 512.902211][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902213][T11224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 512.902214][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902215][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902217][T11224] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 512.902219][T11224] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 512.902221][T11224] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 512.902223][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902225][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902226][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902227][T11224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 512.902229][T11224] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 512.902230][T11224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 512.902232][T11224] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 512.902233][T11224] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 512.902237][T11224] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 512.902240][T11224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 512.902241][T11224] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 512.902243][T11224] ? netlink_ack (./include/linux/skbuff.h:2718) [ 512.902244][T11224] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 512.902247][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902249][T11224] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 512.902251][T11224] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 512.902253][T11224] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 512.902255][T11224] ? next_uptodate_folio (mm/filemap.c:3747) [ 512.902258][T11224] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 512.902260][T11224] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 512.902262][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902264][T11224] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 512.902267][T11224] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 512.902270][T11224] ____sys_sendmsg (net/socket.c:2713) [ 512.902272][T11224] ? copy_msghdr_from_user (net/socket.c:2650) [ 512.902273][T11224] ? sock_write_iter (net/socket.c:1269) [ 512.902275][T11224] ? move_addr_to_kernel (net/socket.c:258) [ 512.902277][T11224] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 512.902280][T11224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 512.902281][T11224] ___sys_sendmsg (net/socket.c:2767) [ 512.902283][T11224] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 512.902285][T11224] ? copy_msghdr_from_user (net/socket.c:2619) [ 512.902287][T11224] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 512.902291][T11224] __sys_sendmsg (net/socket.c:2799) [ 512.902293][T11224] ? __sys_sendmsg_sock (net/socket.c:2780) [ 512.902296][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902297][T11224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 512.902299][T11224] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 512.902301][T11224] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 512.902303][T11224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 512.902305][T11224] RIP: 0033:0x7fec66a1854e [ 512.902307][T11224] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 512.902309][T11224] RSP: 002b:00007ffda3fd9180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 512.902313][T11224] RAX: ffffffffffffffda RBX: 00007ffda3fd9948 RCX: 00007fec66a1854e [ 512.902314][T11224] RDX: 0000000000000000 RSI: 00007ffda3fd9230 RDI: 0000000000000005 [ 512.902315][T11224] RBP: 00007ffda3fd9190 R08: 0000000000000000 R09: 0000000000000000 [ 512.902316][T11224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916978 [ 512.902317][T11224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda3fd9900 | [ 519.663794][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 519.663796][ T12] Preemption disabled at: | [ 519.663797][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 519.663807][ T12] Tainted: [W]=WARN [ 519.663808][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 519.663810][ T12] Workqueue: netns cleanup_net [ 519.663815][ T12] Call Trace: [ 519.663817][ T12] [ 519.663818][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 519.663823][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 519.663825][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 519.663828][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 519.663831][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 519.663834][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663836][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 519.663842][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 519.663845][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 519.663850][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 519.663851][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 519.663854][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 519.663856][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 519.663857][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 519.663860][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 519.663865][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 519.663866][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 519.663869][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 519.663870][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663871][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663873][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 519.663876][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 519.663878][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663879][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663880][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663881][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.663883][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 519.663885][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 519.663887][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 519.663890][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 519.663892][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.663894][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 519.663895][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663896][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 519.663898][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 519.663899][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 519.663901][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 519.663903][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 519.663904][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 519.663906][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 519.663907][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 519.663908][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 519.663911][ T12] ? kthread (kernel/kthread.c:436) [ 519.663913][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 519.663916][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 519.663919][ T12] _printk (kernel/printk/printk.c:2504) [ 519.663921][ T12] ? snapshot_read.cold (user.c:?) [ 519.663924][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 519.663927][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 519.663929][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 519.663931][ T12] ? netdev_notice (net/core/dev.c:13194) [ 519.663933][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663935][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 519.663936][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 519.663939][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 519.663940][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 519.663942][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 519.663944][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 519.663946][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 519.663950][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 519.663952][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 519.663955][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 519.663957][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 519.663958][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 519.663961][ T12] cleanup_net (net/core/net_namespace.c:706) [ 519.663963][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 519.663965][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 519.663968][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.663969][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.663971][ T12] process_one_work (kernel/workqueue.c:3387) [ 519.663974][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 519.663976][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 519.663978][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 519.663981][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 519.663983][ T12] kthread (kernel/kthread.c:436) [ 519.663985][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 519.663987][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 519.663989][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 519.663990][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 519.663992][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 519.663995][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 519.663997][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 520.868843][T11387] softirqs last disabled at (0): 0x0 | [ 520.868845][T11387] Preemption disabled at: | [ 520.868846][T11387] vprintk_emit (kernel/printk/printk.c:2471) | [ 520.868855][T11387] Tainted: [W]=WARN [ 520.868856][T11387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 520.868858][T11387] Call Trace: [ 520.868860][T11387] [ 520.868861][T11387] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 520.868866][T11387] ? vprintk_emit (kernel/printk/printk.c:2471) [ 520.868868][T11387] __might_resched.cold (kernel/sched/core.c:9234) [ 520.868871][T11387] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 520.868874][T11387] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 520.868877][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868879][T11387] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 520.868882][T11387] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.868885][T11387] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.868890][T11387] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 520.868892][T11387] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 520.868894][T11387] put_chars (drivers/char/virtio_console.c:1176) [ 520.868896][T11387] ? __send_to_port (drivers/char/virtio_console.c:654) [ 520.868898][T11387] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 520.868900][T11387] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 520.868905][T11387] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 520.868907][T11387] ? vsnprintf (lib/vsprintf.c:2900) [ 520.868910][T11387] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.868912][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868913][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868914][T11387] console_emit_next_record (kernel/printk/printk.c:3183) [ 520.868917][T11387] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 520.868919][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868920][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868921][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868922][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.868925][T11387] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 520.868927][T11387] console_flush_one_record (kernel/printk/printk.c:3268) [ 520.868929][T11387] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 520.868932][T11387] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 520.868933][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.868935][T11387] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 520.868937][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868938][T11387] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.868939][T11387] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 520.868941][T11387] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 520.868942][T11387] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 520.868944][T11387] ? vprintk_emit (kernel/printk/printk.c:2478) [ 520.868945][T11387] vprintk_emit (kernel/printk/printk.c:2479) [ 520.868947][T11387] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 520.868948][T11387] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 520.868950][T11387] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 520.868953][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.868954][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868956][T11387] _printk (kernel/printk/printk.c:2504) [ 520.868959][T11387] ? snapshot_read.cold (user.c:?) [ 520.868961][T11387] ? br_multicast_flood (??:?) [ 520.868964][T11387] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 520.868967][T11387] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 520.868968][T11387] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 520.868970][T11387] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 520.868972][T11387] br_init_port (net/bridge/br_stp_if.c:39) [ 520.868974][T11387] new_nbp (net/bridge/br_if.c:449) [ 520.868976][T11387] br_add_if (net/bridge/br_if.c:592) [ 520.868978][T11387] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 520.868982][T11387] do_set_master (net/core/rtnetlink.c:3071) [ 520.868984][T11387] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 520.868986][T11387] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 520.868987][T11387] ? __dev_get_by_name (net/core/dev.c:905) [ 520.868989][T11387] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 520.868993][T11387] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 520.868995][T11387] rtnl_newlink (net/core/rtnetlink.c:4215) [ 520.868997][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.868999][T11387] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 520.869000][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.869001][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.869003][T11387] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 520.869005][T11387] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 520.869007][T11387] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 520.869009][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.869010][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.869012][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.869013][T11387] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 520.869014][T11387] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 520.869016][T11387] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 520.869017][T11387] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 520.869019][T11387] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 520.869023][T11387] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 520.869026][T11387] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 520.869027][T11387] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.869029][T11387] ? netlink_ack (./include/linux/skbuff.h:2718) [ 520.869031][T11387] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 520.869033][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.869035][T11387] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 520.869037][T11387] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 520.869039][T11387] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 520.869041][T11387] ? next_uptodate_folio (mm/filemap.c:3747) [ 520.869044][T11387] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 520.869046][T11387] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 520.869048][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.869050][T11387] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 520.869053][T11387] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 520.869056][T11387] ____sys_sendmsg (net/socket.c:2713) [ 520.869058][T11387] ? copy_msghdr_from_user (net/socket.c:2650) [ 520.869060][T11387] ? sock_write_iter (net/socket.c:1269) [ 520.869061][T11387] ? move_addr_to_kernel (net/socket.c:258) [ 520.869063][T11387] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 520.869066][T11387] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 520.869068][T11387] ___sys_sendmsg (net/socket.c:2767) [ 520.869069][T11387] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 520.869071][T11387] ? copy_msghdr_from_user (net/socket.c:2619) [ 520.869073][T11387] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 520.869077][T11387] __sys_sendmsg (net/socket.c:2799) [ 520.869079][T11387] ? __sys_sendmsg_sock (net/socket.c:2780) [ 520.869082][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.869083][T11387] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 520.869084][T11387] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 520.869087][T11387] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 520.869089][T11387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 520.869091][T11387] RIP: 0033:0x7f6ef89aa54e [ 520.869093][T11387] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 520.869095][T11387] RSP: 002b:00007ffe808216b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 520.869098][T11387] RAX: ffffffffffffffda RBX: 00007ffe80821e78 RCX: 00007f6ef89aa54e [ 520.869100][T11387] RDX: 0000000000000000 RSI: 00007ffe80821760 RDI: 0000000000000005 [ 520.869101][T11387] RBP: 00007ffe808216c0 R08: 0000000000000000 R09: 0000000000000000 [ 520.869102][T11387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916980 [ 520.869103][T11387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe80821e30 | [ 522.171897][T11456] softirqs last disabled at (0): 0x0 | [ 522.171898][T11456] Preemption disabled at: | [ 522.171899][T11456] vprintk_emit (kernel/printk/printk.c:2471) | [ 522.171909][T11456] Tainted: [W]=WARN [ 522.171910][T11456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 522.171912][T11456] Call Trace: [ 522.171914][T11456] [ 522.171915][T11456] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 522.171920][T11456] ? vprintk_emit (kernel/printk/printk.c:2471) [ 522.171922][T11456] __might_resched.cold (kernel/sched/core.c:9234) [ 522.171926][T11456] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 522.171929][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.171932][T11456] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 522.171935][T11456] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.171938][T11456] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 522.171943][T11456] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 522.171945][T11456] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 522.171947][T11456] put_chars (drivers/char/virtio_console.c:1176) [ 522.171949][T11456] ? __send_to_port (drivers/char/virtio_console.c:654) [ 522.171950][T11456] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 522.171952][T11456] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 522.171954][T11456] ? pointer (lib/vsprintf.c:2577) [ 522.171958][T11456] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 522.171962][T11456] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 522.171964][T11456] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.171966][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.171968][T11456] console_emit_next_record (kernel/printk/printk.c:3183) [ 522.171971][T11456] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 522.171973][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.171974][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.171975][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.171976][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.171978][T11456] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 522.171980][T11456] console_flush_one_record (kernel/printk/printk.c:3268) [ 522.171982][T11456] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 522.171985][T11456] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 522.171987][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.171989][T11456] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 522.171991][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.171992][T11456] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.171993][T11456] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 522.171995][T11456] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 522.171996][T11456] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 522.171998][T11456] ? vprintk_emit (kernel/printk/printk.c:2478) [ 522.171999][T11456] vprintk_emit (kernel/printk/printk.c:2479) [ 522.172001][T11456] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 522.172002][T11456] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 522.172005][T11456] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 522.172008][T11456] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 522.172010][T11456] _printk (kernel/printk/printk.c:2504) [ 522.172014][T11456] ? snapshot_read.cold (user.c:?) [ 522.172016][T11456] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 522.172018][T11456] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 522.172021][T11456] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 522.172023][T11456] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 522.172026][T11456] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 522.172029][T11456] ? netdev_notice (net/core/dev.c:13194) [ 522.172031][T11456] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 522.172032][T11456] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 522.172035][T11456] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.172036][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172037][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172039][T11456] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 522.172040][T11456] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 522.172042][T11456] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 522.172043][T11456] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 522.172044][T11456] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 522.172046][T11456] ? register_netdev (net/core/dev.c:11618) [ 522.172047][T11456] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.172049][T11456] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 522.172052][T11456] ? __kernel_text_address (kernel/extable.c:79) [ 522.172054][T11456] ? write_profile (profile.c:?) [ 522.172057][T11456] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 522.172061][T11456] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 522.172063][T11456] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 522.172064][T11456] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 522.172065][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172066][T11456] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 522.172070][T11456] ? kasan_save_stack (mm/kasan/common.c:58) [ 522.172072][T11456] ? kasan_save_stack (mm/kasan/common.c:57) [ 522.172073][T11456] ? kasan_save_track (mm/kasan/common.c:78) [ 522.172074][T11456] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 522.172075][T11456] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 522.172076][T11456] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 522.172077][T11456] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 522.172078][T11456] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 522.172081][T11456] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 522.172083][T11456] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 522.172085][T11456] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 522.172087][T11456] ? ____sys_sendmsg (net/socket.c:2713) [ 522.172088][T11456] ? ___sys_sendmsg (net/socket.c:2767) [ 522.172090][T11456] ? __sys_sendmsg (net/socket.c:2799) [ 522.172092][T11456] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 522.172094][T11456] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 522.172097][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172098][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.172099][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172100][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172101][T11456] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 522.172103][T11456] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 522.172104][T11456] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 522.172105][T11456] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 522.172107][T11456] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 522.172108][T11456] ? nla_get_range_signed (lib/nlattr.c:270) [ 522.172111][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172116][T11456] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 522.172118][T11456] rtnl_newlink (net/core/rtnetlink.c:4215) [ 522.172120][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172121][T11456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 522.172122][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.172124][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172125][T11456] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 522.172128][T11456] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 522.172129][T11456] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 522.172131][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172132][T11456] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 522.172135][T11456] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 522.172138][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172139][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.172140][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172141][T11456] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 522.172143][T11456] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 522.172145][T11456] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 522.172146][T11456] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 522.172147][T11456] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 522.172150][T11456] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 522.172152][T11456] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 522.172153][T11456] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.172155][T11456] ? netlink_ack (./include/linux/skbuff.h:2718) [ 522.172156][T11456] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 522.172159][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172161][T11456] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.172163][T11456] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 522.172165][T11456] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 522.172167][T11456] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 522.172168][T11456] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 522.172171][T11456] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 522.172172][T11456] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 522.172174][T11456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.172175][T11456] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 522.172178][T11456] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 522.172180][T11456] ____sys_sendmsg (net/socket.c:2713) [ 522.172182][T11456] ? copy_msghdr_from_user (net/socket.c:2650) [ 522.172184][T11456] ? sock_write_iter (net/socket.c:1269) [ 522.172185][T11456] ? move_addr_to_kernel (net/socket.c:258) [ 522.172187][T11456] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 522.172189][T11456] ___sys_sendmsg (net/socket.c:2767) [ 522.172191][T11456] ? copy_msghdr_from_user (net/socket.c:2619) [ 522.172196][T11456] __sys_sendmsg (net/socket.c:2799) [ 522.172198][T11456] ? __sys_sendmsg_sock (net/socket.c:2780) [ 522.172201][T11456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.172202][T11456] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 522.172204][T11456] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 522.172206][T11456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 522.172207][T11456] RIP: 0033:0x7f20e05fb54e [ 522.172209][T11456] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 522.172211][T11456] RSP: 002b:00007ffe4d837990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 522.172214][T11456] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f20e05fb54e [ 522.172216][T11456] RDX: 0000000000000000 RSI: 00007ffe4d837a40 RDI: 0000000000000005 [ 522.172217][T11456] RBP: 00007ffe4d8379a0 R08: 0000000000000000 R09: 0000000000000000 [ 522.172218][T11456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916981 [ 522.172219][T11456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d838100 | [ 523.226903][T11506] softirqs last disabled at (0): 0x0 | [ 523.226905][T11506] Preemption disabled at: | [ 523.226905][T11506] vprintk_emit (kernel/printk/printk.c:2471) | [ 523.226915][T11506] Tainted: [W]=WARN [ 523.226916][T11506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 523.226918][T11506] Call Trace: [ 523.226919][T11506] [ 523.226921][T11506] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 523.226926][T11506] ? vprintk_emit (kernel/printk/printk.c:2471) [ 523.226928][T11506] __might_resched.cold (kernel/sched/core.c:9234) [ 523.226931][T11506] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 523.226934][T11506] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 523.226937][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226940][T11506] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 523.226942][T11506] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 523.226946][T11506] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 523.226950][T11506] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 523.226952][T11506] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 523.226955][T11506] put_chars (drivers/char/virtio_console.c:1176) [ 523.226957][T11506] ? __send_to_port (drivers/char/virtio_console.c:654) [ 523.226958][T11506] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 523.226961][T11506] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 523.226965][T11506] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 523.226967][T11506] ? vsnprintf (lib/vsprintf.c:2900) [ 523.226970][T11506] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 523.226972][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226973][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226974][T11506] console_emit_next_record (kernel/printk/printk.c:3183) [ 523.226977][T11506] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 523.226979][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226980][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226981][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226982][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.226985][T11506] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 523.226986][T11506] console_flush_one_record (kernel/printk/printk.c:3268) [ 523.226989][T11506] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 523.226991][T11506] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 523.226993][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.226995][T11506] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 523.226997][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.226998][T11506] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.227000][T11506] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 523.227001][T11506] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 523.227003][T11506] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 523.227005][T11506] ? vprintk_emit (kernel/printk/printk.c:2478) [ 523.227006][T11506] vprintk_emit (kernel/printk/printk.c:2479) [ 523.227008][T11506] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 523.227009][T11506] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 523.227011][T11506] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 523.227013][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.227015][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227016][T11506] _printk (kernel/printk/printk.c:2504) [ 523.227020][T11506] ? snapshot_read.cold (user.c:?) [ 523.227022][T11506] ? br_multicast_flood (??:?) [ 523.227025][T11506] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 523.227028][T11506] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 523.227029][T11506] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 523.227031][T11506] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 523.227033][T11506] br_init_port (net/bridge/br_stp_if.c:39) [ 523.227035][T11506] new_nbp (net/bridge/br_if.c:449) [ 523.227037][T11506] br_add_if (net/bridge/br_if.c:592) [ 523.227039][T11506] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 523.227043][T11506] do_set_master (net/core/rtnetlink.c:3071) [ 523.227045][T11506] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 523.227047][T11506] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 523.227048][T11506] ? __dev_get_by_name (net/core/dev.c:905) [ 523.227050][T11506] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 523.227054][T11506] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 523.227056][T11506] rtnl_newlink (net/core/rtnetlink.c:4215) [ 523.227058][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227060][T11506] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 523.227061][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.227062][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227064][T11506] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 523.227066][T11506] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 523.227068][T11506] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 523.227070][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227071][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.227073][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227074][T11506] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 523.227075][T11506] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 523.227077][T11506] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 523.227078][T11506] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 523.227080][T11506] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 523.227084][T11506] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 523.227087][T11506] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 523.227088][T11506] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.227090][T11506] ? netlink_ack (./include/linux/skbuff.h:2718) [ 523.227091][T11506] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 523.227094][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227095][T11506] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 523.227097][T11506] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 523.227099][T11506] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 523.227101][T11506] ? next_uptodate_folio (mm/filemap.c:3747) [ 523.227104][T11506] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 523.227106][T11506] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 523.227108][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.227110][T11506] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 523.227113][T11506] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 523.227120][T11506] ____sys_sendmsg (net/socket.c:2713) [ 523.227121][T11506] ? copy_msghdr_from_user (net/socket.c:2650) [ 523.227123][T11506] ? sock_write_iter (net/socket.c:1269) [ 523.227125][T11506] ? move_addr_to_kernel (net/socket.c:258) [ 523.227127][T11506] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 523.227129][T11506] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 523.227131][T11506] ___sys_sendmsg (net/socket.c:2767) [ 523.227133][T11506] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 523.227135][T11506] ? copy_msghdr_from_user (net/socket.c:2619) [ 523.227136][T11506] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 523.227141][T11506] __sys_sendmsg (net/socket.c:2799) [ 523.227143][T11506] ? __sys_sendmsg_sock (net/socket.c:2780) [ 523.227146][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227147][T11506] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 523.227148][T11506] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 523.227151][T11506] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 523.227153][T11506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 523.227155][T11506] RIP: 0033:0x7f106e14a54e [ 523.227157][T11506] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 523.227158][T11506] RSP: 002b:00007fffdaa27e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 523.227162][T11506] RAX: ffffffffffffffda RBX: 00007fffdaa285f8 RCX: 00007f106e14a54e [ 523.227164][T11506] RDX: 0000000000000000 RSI: 00007fffdaa27ee0 RDI: 0000000000000005 [ 523.227164][T11506] RBP: 00007fffdaa27e40 R08: 0000000000000000 R09: 0000000000000000 [ 523.227165][T11506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916982 [ 523.227166][T11506] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdaa285b0 | [ 530.028440][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 530.028443][ T12] Preemption disabled at: | [ 530.028444][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 530.028454][ T12] Tainted: [W]=WARN [ 530.028455][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 530.028457][ T12] Workqueue: netns cleanup_net [ 530.028463][ T12] Call Trace: [ 530.028465][ T12] [ 530.028466][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 530.028472][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 530.028473][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 530.028476][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 530.028479][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 530.028482][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028485][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 530.028487][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 530.028491][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 530.028495][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 530.028497][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 530.028499][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 530.028501][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 530.028503][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 530.028506][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 530.028510][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 530.028512][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 530.028515][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 530.028516][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028517][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028519][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 530.028522][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 530.028524][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028525][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028526][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028527][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.028529][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 530.028531][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 530.028533][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 530.028536][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 530.028538][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.028540][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 530.028541][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028542][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 530.028544][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 530.028546][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 530.028547][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 530.028549][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 530.028550][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 530.028552][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 530.028554][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 530.028555][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 530.028558][ T12] ? kthread (kernel/kthread.c:436) [ 530.028560][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 530.028563][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 530.028565][ T12] _printk (kernel/printk/printk.c:2504) [ 530.028568][ T12] ? snapshot_read.cold (user.c:?) [ 530.028571][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 530.028574][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 530.028576][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 530.028578][ T12] ? netdev_notice (net/core/dev.c:13194) [ 530.028581][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028582][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 530.028583][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 530.028586][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 530.028587][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 530.028589][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 530.028591][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 530.028594][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 530.028598][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 530.028600][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 530.028603][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 530.028605][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 530.028607][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 530.028609][ T12] cleanup_net (net/core/net_namespace.c:706) [ 530.028611][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 530.028613][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.028615][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.028616][ T12] process_one_work (kernel/workqueue.c:3387) [ 530.028619][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 530.028622][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 530.028624][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 530.028627][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 530.028629][ T12] kthread (kernel/kthread.c:436) [ 530.028631][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 530.028632][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 530.028634][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 530.028636][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 530.028638][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 530.028641][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 530.028643][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 531.268973][T11669] softirqs last disabled at (0): 0x0 | [ 531.268975][T11669] Preemption disabled at: | [ 531.268976][T11669] vprintk_emit (kernel/printk/printk.c:2471) | [ 531.268986][T11669] Tainted: [W]=WARN [ 531.268987][T11669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 531.268989][T11669] Call Trace: [ 531.268990][T11669] [ 531.268992][T11669] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 531.268997][T11669] ? vprintk_emit (kernel/printk/printk.c:2471) [ 531.268999][T11669] __might_resched.cold (kernel/sched/core.c:9234) [ 531.269002][T11669] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 531.269005][T11669] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 531.269008][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269011][T11669] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 531.269013][T11669] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.269016][T11669] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 531.269022][T11669] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 531.269024][T11669] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 531.269026][T11669] put_chars (drivers/char/virtio_console.c:1176) [ 531.269028][T11669] ? __send_to_port (drivers/char/virtio_console.c:654) [ 531.269030][T11669] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 531.269032][T11669] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 531.269037][T11669] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 531.269039][T11669] ? vsnprintf (lib/vsprintf.c:2900) [ 531.269042][T11669] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.269043][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269044][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269047][T11669] console_emit_next_record (kernel/printk/printk.c:3183) [ 531.269049][T11669] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 531.269051][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269052][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269053][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269055][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269057][T11669] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 531.269059][T11669] console_flush_one_record (kernel/printk/printk.c:3268) [ 531.269061][T11669] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 531.269064][T11669] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 531.269066][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269067][T11669] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 531.269069][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269070][T11669] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.269072][T11669] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 531.269073][T11669] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 531.269075][T11669] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 531.269077][T11669] ? vprintk_emit (kernel/printk/printk.c:2478) [ 531.269078][T11669] vprintk_emit (kernel/printk/printk.c:2479) [ 531.269080][T11669] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 531.269081][T11669] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.269082][T11669] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 531.269085][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269087][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269088][T11669] _printk (kernel/printk/printk.c:2504) [ 531.269091][T11669] ? snapshot_read.cold (user.c:?) [ 531.269093][T11669] ? br_multicast_flood (??:?) [ 531.269096][T11669] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 531.269099][T11669] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 531.269100][T11669] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 531.269102][T11669] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 531.269105][T11669] br_init_port (net/bridge/br_stp_if.c:39) [ 531.269107][T11669] new_nbp (net/bridge/br_if.c:449) [ 531.269109][T11669] br_add_if (net/bridge/br_if.c:592) [ 531.269111][T11669] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 531.269115][T11669] do_set_master (net/core/rtnetlink.c:3071) [ 531.269117][T11669] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 531.269118][T11669] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 531.269120][T11669] ? __dev_get_by_name (net/core/dev.c:905) [ 531.269121][T11669] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 531.269125][T11669] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 531.269128][T11669] rtnl_newlink (net/core/rtnetlink.c:4215) [ 531.269130][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269131][T11669] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 531.269136][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269137][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269139][T11669] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 531.269141][T11669] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 531.269143][T11669] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 531.269146][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269147][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269148][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269150][T11669] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 531.269151][T11669] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 531.269153][T11669] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 531.269154][T11669] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 531.269155][T11669] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 531.269159][T11669] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 531.269162][T11669] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 531.269163][T11669] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.269165][T11669] ? netlink_ack (./include/linux/skbuff.h:2718) [ 531.269167][T11669] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 531.269170][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269171][T11669] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.269173][T11669] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 531.269175][T11669] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 531.269177][T11669] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 531.269180][T11669] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 531.269183][T11669] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 531.269185][T11669] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 531.269187][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269188][T11669] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 531.269192][T11669] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 531.269195][T11669] ____sys_sendmsg (net/socket.c:2713) [ 531.269196][T11669] ? copy_msghdr_from_user (net/socket.c:2650) [ 531.269198][T11669] ? sock_write_iter (net/socket.c:1269) [ 531.269200][T11669] ? move_addr_to_kernel (net/socket.c:258) [ 531.269202][T11669] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 531.269204][T11669] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.269206][T11669] ___sys_sendmsg (net/socket.c:2767) [ 531.269208][T11669] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 531.269210][T11669] ? copy_msghdr_from_user (net/socket.c:2619) [ 531.269211][T11669] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 531.269216][T11669] __sys_sendmsg (net/socket.c:2799) [ 531.269218][T11669] ? __sys_sendmsg_sock (net/socket.c:2780) [ 531.269221][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269222][T11669] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.269224][T11669] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 531.269226][T11669] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 531.269228][T11669] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 531.269230][T11669] RIP: 0033:0x7f61a81e054e [ 531.269232][T11669] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 531.269235][T11669] RSP: 002b:00007ffc9dbb76d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 531.269238][T11669] RAX: ffffffffffffffda RBX: 00007ffc9dbb7e98 RCX: 00007f61a81e054e [ 531.269240][T11669] RDX: 0000000000000000 RSI: 00007ffc9dbb7780 RDI: 0000000000000005 [ 531.269241][T11669] RBP: 00007ffc9dbb76e0 R08: 0000000000000000 R09: 0000000000000000 [ 531.269242][T11669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91698a [ 531.269243][T11669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9dbb7e50 | [ 532.598979][T11737] softirqs last disabled at (0): 0x0 | [ 532.598981][T11737] Preemption disabled at: | [ 532.598982][T11737] vprintk_emit (kernel/printk/printk.c:2471) | [ 532.598992][T11737] Tainted: [W]=WARN [ 532.598993][T11737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 532.598994][T11737] Call Trace: [ 532.598996][T11737] [ 532.598997][T11737] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 532.599003][T11737] ? vprintk_emit (kernel/printk/printk.c:2471) [ 532.599004][T11737] __might_resched.cold (kernel/sched/core.c:9234) [ 532.599008][T11737] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 532.599012][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599015][T11737] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 532.599017][T11737] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.599021][T11737] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 532.599026][T11737] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 532.599027][T11737] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 532.599030][T11737] put_chars (drivers/char/virtio_console.c:1176) [ 532.599032][T11737] ? __send_to_port (drivers/char/virtio_console.c:654) [ 532.599033][T11737] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 532.599036][T11737] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 532.599038][T11737] ? pointer (lib/vsprintf.c:2577) [ 532.599041][T11737] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 532.599046][T11737] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 532.599048][T11737] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.599050][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599052][T11737] console_emit_next_record (kernel/printk/printk.c:3183) [ 532.599055][T11737] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 532.599057][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599058][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599060][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599061][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599063][T11737] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 532.599064][T11737] console_flush_one_record (kernel/printk/printk.c:3268) [ 532.599067][T11737] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 532.599070][T11737] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 532.599072][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599073][T11737] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 532.599075][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599076][T11737] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.599078][T11737] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 532.599079][T11737] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 532.599081][T11737] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 532.599083][T11737] ? vprintk_emit (kernel/printk/printk.c:2478) [ 532.599084][T11737] vprintk_emit (kernel/printk/printk.c:2479) [ 532.599086][T11737] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 532.599087][T11737] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 532.599090][T11737] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 532.599093][T11737] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 532.599095][T11737] _printk (kernel/printk/printk.c:2504) [ 532.599098][T11737] ? snapshot_read.cold (user.c:?) [ 532.599100][T11737] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 532.599103][T11737] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 532.599106][T11737] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 532.599108][T11737] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 532.599111][T11737] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 532.599113][T11737] ? netdev_notice (net/core/dev.c:13194) [ 532.599116][T11737] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 532.599117][T11737] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 532.599120][T11737] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.599122][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599123][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599124][T11737] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 532.599125][T11737] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 532.599127][T11737] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 532.599128][T11737] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 532.599130][T11737] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 532.599132][T11737] ? register_netdev (net/core/dev.c:11618) [ 532.599133][T11737] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.599139][T11737] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 532.599142][T11737] ? __kernel_text_address (kernel/extable.c:79) [ 532.599145][T11737] ? write_profile (profile.c:?) [ 532.599148][T11737] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 532.599152][T11737] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 532.599154][T11737] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 532.599156][T11737] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 532.599157][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599158][T11737] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 532.599161][T11737] ? kasan_save_stack (mm/kasan/common.c:58) [ 532.599164][T11737] ? kasan_save_stack (mm/kasan/common.c:57) [ 532.599165][T11737] ? kasan_save_track (mm/kasan/common.c:78) [ 532.599166][T11737] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 532.599167][T11737] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 532.599168][T11737] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 532.599170][T11737] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 532.599171][T11737] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 532.599174][T11737] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 532.599175][T11737] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 532.599177][T11737] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 532.599180][T11737] ? ____sys_sendmsg (net/socket.c:2713) [ 532.599181][T11737] ? ___sys_sendmsg (net/socket.c:2767) [ 532.599183][T11737] ? __sys_sendmsg (net/socket.c:2799) [ 532.599184][T11737] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 532.599187][T11737] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 532.599190][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599191][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599192][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599193][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599195][T11737] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 532.599196][T11737] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 532.599197][T11737] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 532.599199][T11737] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 532.599200][T11737] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 532.599201][T11737] ? nla_get_range_signed (lib/nlattr.c:270) [ 532.599205][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599206][T11737] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 532.599208][T11737] rtnl_newlink (net/core/rtnetlink.c:4215) [ 532.599210][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599211][T11737] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 532.599213][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599214][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599216][T11737] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 532.599218][T11737] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 532.599219][T11737] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 532.599221][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599222][T11737] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 532.599225][T11737] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 532.599228][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599229][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599231][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599232][T11737] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 532.599233][T11737] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 532.599235][T11737] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 532.599236][T11737] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 532.599238][T11737] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 532.599240][T11737] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 532.599242][T11737] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 532.599243][T11737] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.599245][T11737] ? netlink_ack (./include/linux/skbuff.h:2718) [ 532.599247][T11737] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 532.599250][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599251][T11737] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.599253][T11737] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 532.599256][T11737] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 532.599258][T11737] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 532.599260][T11737] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 532.599262][T11737] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 532.599264][T11737] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 532.599265][T11737] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.599267][T11737] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 532.599270][T11737] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 532.599272][T11737] ____sys_sendmsg (net/socket.c:2713) [ 532.599274][T11737] ? copy_msghdr_from_user (net/socket.c:2650) [ 532.599276][T11737] ? sock_write_iter (net/socket.c:1269) [ 532.599277][T11737] ? move_addr_to_kernel (net/socket.c:258) [ 532.599279][T11737] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 532.599281][T11737] ___sys_sendmsg (net/socket.c:2767) [ 532.599283][T11737] ? copy_msghdr_from_user (net/socket.c:2619) [ 532.599288][T11737] __sys_sendmsg (net/socket.c:2799) [ 532.599290][T11737] ? __sys_sendmsg_sock (net/socket.c:2780) [ 532.599293][T11737] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.599295][T11737] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 532.599297][T11737] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 532.599299][T11737] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 532.599301][T11737] RIP: 0033:0x7f9c3539f54e [ 532.599303][T11737] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 532.599305][T11737] RSP: 002b:00007ffff3d62e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 532.599308][T11737] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9c3539f54e [ 532.599310][T11737] RDX: 0000000000000000 RSI: 00007ffff3d62ec0 RDI: 0000000000000005 [ 532.599310][T11737] RBP: 00007ffff3d62e20 R08: 0000000000000000 R09: 0000000000000000 [ 532.599311][T11737] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91698c [ 532.599312][T11737] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3d63580 | [ 533.726844][T11795] softirqs last disabled at (0): 0x0 | [ 533.726846][T11795] Preemption disabled at: | [ 533.726846][T11795] vprintk_emit (kernel/printk/printk.c:2471) | [ 533.726857][T11795] Tainted: [W]=WARN [ 533.726858][T11795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 533.726860][T11795] Call Trace: [ 533.726862][T11795] [ 533.726863][T11795] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 533.726869][T11795] ? vprintk_emit (kernel/printk/printk.c:2471) [ 533.726870][T11795] __might_resched.cold (kernel/sched/core.c:9234) [ 533.726874][T11795] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 533.726876][T11795] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 533.726879][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726882][T11795] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 533.726885][T11795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.726888][T11795] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 533.726893][T11795] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 533.726895][T11795] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 533.726898][T11795] put_chars (drivers/char/virtio_console.c:1176) [ 533.726899][T11795] ? __send_to_port (drivers/char/virtio_console.c:654) [ 533.726901][T11795] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 533.726904][T11795] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 533.726908][T11795] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 533.726910][T11795] ? vsnprintf (lib/vsprintf.c:2900) [ 533.726913][T11795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.726915][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726916][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726918][T11795] console_emit_next_record (kernel/printk/printk.c:3183) [ 533.726920][T11795] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 533.726922][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726924][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726925][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726926][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.726928][T11795] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 533.726930][T11795] console_flush_one_record (kernel/printk/printk.c:3268) [ 533.726933][T11795] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 533.726935][T11795] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 533.726937][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.726939][T11795] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 533.726940][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726941][T11795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.726943][T11795] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 533.726944][T11795] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 533.726946][T11795] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 533.726948][T11795] ? vprintk_emit (kernel/printk/printk.c:2478) [ 533.726949][T11795] vprintk_emit (kernel/printk/printk.c:2479) [ 533.726951][T11795] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 533.726952][T11795] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.726954][T11795] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 533.726957][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.726958][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.726960][T11795] _printk (kernel/printk/printk.c:2504) [ 533.726962][T11795] ? snapshot_read.cold (user.c:?) [ 533.726964][T11795] ? br_multicast_flood (??:?) [ 533.726968][T11795] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 533.726970][T11795] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 533.726971][T11795] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 533.726973][T11795] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 533.726976][T11795] br_init_port (net/bridge/br_stp_if.c:39) [ 533.726978][T11795] new_nbp (net/bridge/br_if.c:449) [ 533.726980][T11795] br_add_if (net/bridge/br_if.c:592) [ 533.726982][T11795] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 533.726986][T11795] do_set_master (net/core/rtnetlink.c:3071) [ 533.726988][T11795] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 533.726989][T11795] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 533.726991][T11795] ? __dev_get_by_name (net/core/dev.c:905) [ 533.726993][T11795] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 533.726997][T11795] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 533.726999][T11795] rtnl_newlink (net/core/rtnetlink.c:4215) [ 533.727001][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727002][T11795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 533.727004][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.727005][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727007][T11795] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 533.727009][T11795] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 533.727011][T11795] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 533.727013][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727014][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.727016][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727017][T11795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 533.727018][T11795] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 533.727020][T11795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 533.727022][T11795] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 533.727023][T11795] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 533.727027][T11795] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 533.727030][T11795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 533.727031][T11795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.727033][T11795] ? netlink_ack (./include/linux/skbuff.h:2718) [ 533.727035][T11795] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 533.727037][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727038][T11795] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.727040][T11795] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 533.727043][T11795] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 533.727044][T11795] ? next_uptodate_folio (mm/filemap.c:3747) [ 533.727048][T11795] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 533.727050][T11795] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 533.727052][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.727053][T11795] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 533.727057][T11795] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 533.727060][T11795] ____sys_sendmsg (net/socket.c:2713) [ 533.727061][T11795] ? copy_msghdr_from_user (net/socket.c:2650) [ 533.727063][T11795] ? sock_write_iter (net/socket.c:1269) [ 533.727064][T11795] ? move_addr_to_kernel (net/socket.c:258) [ 533.727067][T11795] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 533.727069][T11795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.727071][T11795] ___sys_sendmsg (net/socket.c:2767) [ 533.727073][T11795] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 533.727074][T11795] ? copy_msghdr_from_user (net/socket.c:2619) [ 533.727076][T11795] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 533.727081][T11795] __sys_sendmsg (net/socket.c:2799) [ 533.727083][T11795] ? __sys_sendmsg_sock (net/socket.c:2780) [ 533.727085][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727087][T11795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.727088][T11795] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 533.727090][T11795] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 533.727092][T11795] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.727094][T11795] RIP: 0033:0x7fa00122c54e [ 533.727096][T11795] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 533.727098][T11795] RSP: 002b:00007ffd50945ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 533.727102][T11795] RAX: ffffffffffffffda RBX: 00007ffd50946688 RCX: 00007fa00122c54e [ 533.727104][T11795] RDX: 0000000000000000 RSI: 00007ffd50945f70 RDI: 0000000000000005 [ 533.727104][T11795] RBP: 00007ffd50945ed0 R08: 0000000000000000 R09: 0000000000000000 [ 533.727105][T11795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91698d [ 533.727106][T11795] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd50946640 | [ 540.586261][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 540.586264][ T12] Preemption disabled at: | [ 540.586265][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 540.586275][ T12] Tainted: [W]=WARN [ 540.586276][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 540.586278][ T12] Workqueue: netns cleanup_net [ 540.586284][ T12] Call Trace: [ 540.586286][ T12] [ 540.586287][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 540.586293][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 540.586294][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 540.586297][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 540.586300][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 540.586303][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586305][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 540.586308][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 540.586312][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 540.586316][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 540.586318][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 540.586321][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 540.586323][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 540.586324][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 540.586327][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 540.586331][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 540.586333][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 540.586336][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 540.586337][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586340][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 540.586343][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 540.586345][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586346][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586347][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586348][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.586351][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 540.586353][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 540.586355][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 540.586358][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 540.586360][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.586361][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 540.586363][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586364][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 540.586365][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 540.586367][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 540.586368][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 540.586370][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 540.586372][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 540.586374][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 540.586375][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 540.586376][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 540.586379][ T12] ? kthread (kernel/kthread.c:436) [ 540.586381][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 540.586384][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 540.586387][ T12] _printk (kernel/printk/printk.c:2504) [ 540.586389][ T12] ? snapshot_read.cold (user.c:?) [ 540.586392][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 540.586395][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 540.586397][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 540.586400][ T12] ? netdev_notice (net/core/dev.c:13194) [ 540.586402][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586403][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 540.586404][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 540.586408][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 540.586409][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 540.586411][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 540.586413][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 540.586416][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 540.586420][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 540.586422][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 540.586424][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 540.586426][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 540.586428][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 540.586431][ T12] cleanup_net (net/core/net_namespace.c:706) [ 540.586433][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 540.586435][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 540.586437][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.586439][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.586440][ T12] process_one_work (kernel/workqueue.c:3387) [ 540.586443][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 540.586446][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 540.586448][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 540.586451][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 540.586453][ T12] kthread (kernel/kthread.c:436) [ 540.586455][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 540.586457][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 540.586459][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 540.586461][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 540.586463][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 540.586465][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 540.586467][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 541.820634][T11958] softirqs last disabled at (0): 0x0 | [ 541.820635][T11958] Preemption disabled at: | [ 541.820636][T11958] vprintk_emit (kernel/printk/printk.c:2471) | [ 541.820646][T11958] Tainted: [W]=WARN [ 541.820647][T11958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 541.820649][T11958] Call Trace: [ 541.820651][T11958] [ 541.820652][T11958] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 541.820658][T11958] ? vprintk_emit (kernel/printk/printk.c:2471) [ 541.820659][T11958] __might_resched.cold (kernel/sched/core.c:9234) [ 541.820663][T11958] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 541.820665][T11958] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 541.820668][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820671][T11958] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 541.820674][T11958] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.820677][T11958] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 541.820682][T11958] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 541.820684][T11958] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 541.820686][T11958] put_chars (drivers/char/virtio_console.c:1176) [ 541.820688][T11958] ? __send_to_port (drivers/char/virtio_console.c:654) [ 541.820689][T11958] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 541.820692][T11958] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 541.820697][T11958] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 541.820698][T11958] ? vsnprintf (lib/vsprintf.c:2900) [ 541.820701][T11958] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.820703][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820704][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820706][T11958] console_emit_next_record (kernel/printk/printk.c:3183) [ 541.820709][T11958] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 541.820711][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820712][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820713][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820714][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820716][T11958] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 541.820718][T11958] console_flush_one_record (kernel/printk/printk.c:3268) [ 541.820720][T11958] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 541.820723][T11958] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 541.820725][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820727][T11958] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 541.820729][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820730][T11958] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.820731][T11958] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 541.820733][T11958] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 541.820734][T11958] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 541.820736][T11958] ? vprintk_emit (kernel/printk/printk.c:2478) [ 541.820738][T11958] vprintk_emit (kernel/printk/printk.c:2479) [ 541.820739][T11958] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 541.820740][T11958] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.820742][T11958] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 541.820745][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820747][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820748][T11958] _printk (kernel/printk/printk.c:2504) [ 541.820751][T11958] ? snapshot_read.cold (user.c:?) [ 541.820753][T11958] ? br_multicast_flood (??:?) [ 541.820757][T11958] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 541.820759][T11958] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 541.820761][T11958] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 541.820762][T11958] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 541.820765][T11958] br_init_port (net/bridge/br_stp_if.c:39) [ 541.820767][T11958] new_nbp (net/bridge/br_if.c:449) [ 541.820769][T11958] br_add_if (net/bridge/br_if.c:592) [ 541.820771][T11958] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 541.820775][T11958] do_set_master (net/core/rtnetlink.c:3071) [ 541.820777][T11958] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 541.820779][T11958] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 541.820780][T11958] ? __dev_get_by_name (net/core/dev.c:905) [ 541.820782][T11958] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 541.820786][T11958] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 541.820788][T11958] rtnl_newlink (net/core/rtnetlink.c:4215) [ 541.820790][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820792][T11958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 541.820793][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820794][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820796][T11958] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 541.820798][T11958] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 541.820800][T11958] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 541.820802][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820803][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820805][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820806][T11958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 541.820807][T11958] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 541.820809][T11958] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 541.820810][T11958] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 541.820812][T11958] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 541.820816][T11958] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 541.820819][T11958] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 541.820820][T11958] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.820822][T11958] ? netlink_ack (./include/linux/skbuff.h:2718) [ 541.820823][T11958] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 541.820826][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820827][T11958] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.820829][T11958] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 541.820831][T11958] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 541.820833][T11958] ? next_uptodate_folio (mm/filemap.c:3747) [ 541.820836][T11958] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 541.820841][T11958] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 541.820843][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820845][T11958] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 541.820848][T11958] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 541.820851][T11958] ____sys_sendmsg (net/socket.c:2713) [ 541.820853][T11958] ? copy_msghdr_from_user (net/socket.c:2650) [ 541.820854][T11958] ? sock_write_iter (net/socket.c:1269) [ 541.820856][T11958] ? move_addr_to_kernel (net/socket.c:258) [ 541.820858][T11958] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 541.820861][T11958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.820862][T11958] ___sys_sendmsg (net/socket.c:2767) [ 541.820864][T11958] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 541.820866][T11958] ? copy_msghdr_from_user (net/socket.c:2619) [ 541.820867][T11958] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 541.820872][T11958] __sys_sendmsg (net/socket.c:2799) [ 541.820874][T11958] ? __sys_sendmsg_sock (net/socket.c:2780) [ 541.820877][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820878][T11958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.820879][T11958] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 541.820882][T11958] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 541.820884][T11958] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 541.820886][T11958] RIP: 0033:0x7fab97c7a54e [ 541.820887][T11958] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 541.820889][T11958] RSP: 002b:00007ffff5d9cb30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 541.820893][T11958] RAX: ffffffffffffffda RBX: 00007ffff5d9d2f8 RCX: 00007fab97c7a54e [ 541.820894][T11958] RDX: 0000000000000000 RSI: 00007ffff5d9cbe0 RDI: 0000000000000005 [ 541.820896][T11958] RBP: 00007ffff5d9cb40 R08: 0000000000000000 R09: 0000000000000000 [ 541.820896][T11958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916995 [ 541.820897][T11958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff5d9d2b0 | [ 543.227760][T12027] softirqs last disabled at (0): 0x0 | [ 543.227761][T12027] Preemption disabled at: | [ 543.227762][T12027] vprintk_emit (kernel/printk/printk.c:2471) | [ 543.227773][T12027] Tainted: [W]=WARN [ 543.227774][T12027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 543.227775][T12027] Call Trace: [ 543.227777][T12027] [ 543.227778][T12027] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 543.227784][T12027] ? vprintk_emit (kernel/printk/printk.c:2471) [ 543.227786][T12027] __might_resched.cold (kernel/sched/core.c:9234) [ 543.227789][T12027] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 543.227793][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227795][T12027] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 543.227798][T12027] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.227801][T12027] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 543.227806][T12027] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 543.227808][T12027] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 543.227811][T12027] put_chars (drivers/char/virtio_console.c:1176) [ 543.227812][T12027] ? __send_to_port (drivers/char/virtio_console.c:654) [ 543.227814][T12027] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 543.227816][T12027] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 543.227818][T12027] ? pointer (lib/vsprintf.c:2577) [ 543.227821][T12027] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 543.227826][T12027] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 543.227828][T12027] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.227830][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.227832][T12027] console_emit_next_record (kernel/printk/printk.c:3183) [ 543.227835][T12027] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 543.227840][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227841][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227842][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227843][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.227845][T12027] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 543.227847][T12027] console_flush_one_record (kernel/printk/printk.c:3268) [ 543.227849][T12027] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 543.227852][T12027] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 543.227854][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.227855][T12027] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 543.227857][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227858][T12027] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.227860][T12027] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 543.227862][T12027] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 543.227863][T12027] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 543.227865][T12027] ? vprintk_emit (kernel/printk/printk.c:2478) [ 543.227866][T12027] vprintk_emit (kernel/printk/printk.c:2479) [ 543.227868][T12027] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 543.227869][T12027] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 543.227871][T12027] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 543.227874][T12027] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 543.227877][T12027] _printk (kernel/printk/printk.c:2504) [ 543.227880][T12027] ? snapshot_read.cold (user.c:?) [ 543.227882][T12027] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 543.227884][T12027] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 543.227887][T12027] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 543.227889][T12027] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 543.227892][T12027] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 543.227894][T12027] ? netdev_notice (net/core/dev.c:13194) [ 543.227896][T12027] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 543.227898][T12027] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 543.227900][T12027] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.227902][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227903][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227904][T12027] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 543.227906][T12027] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 543.227907][T12027] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 543.227909][T12027] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 543.227910][T12027] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 543.227912][T12027] ? register_netdev (net/core/dev.c:11618) [ 543.227913][T12027] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.227915][T12027] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 543.227918][T12027] ? __kernel_text_address (kernel/extable.c:79) [ 543.227920][T12027] ? write_profile (profile.c:?) [ 543.227923][T12027] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 543.227926][T12027] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 543.227928][T12027] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 543.227930][T12027] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 543.227931][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227932][T12027] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 543.227935][T12027] ? kasan_save_stack (mm/kasan/common.c:58) [ 543.227937][T12027] ? kasan_save_stack (mm/kasan/common.c:57) [ 543.227938][T12027] ? kasan_save_track (mm/kasan/common.c:78) [ 543.227939][T12027] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 543.227941][T12027] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 543.227942][T12027] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 543.227943][T12027] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 543.227944][T12027] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 543.227947][T12027] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 543.227949][T12027] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 543.227950][T12027] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 543.227953][T12027] ? ____sys_sendmsg (net/socket.c:2713) [ 543.227954][T12027] ? ___sys_sendmsg (net/socket.c:2767) [ 543.227956][T12027] ? __sys_sendmsg (net/socket.c:2799) [ 543.227957][T12027] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 543.227960][T12027] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.227962][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227963][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.227965][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227966][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227967][T12027] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 543.227969][T12027] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 543.227970][T12027] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 543.227971][T12027] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 543.227972][T12027] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 543.227973][T12027] ? nla_get_range_signed (lib/nlattr.c:270) [ 543.227977][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227978][T12027] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 543.227980][T12027] rtnl_newlink (net/core/rtnetlink.c:4215) [ 543.227982][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227983][T12027] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 543.227984][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.227986][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227987][T12027] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 543.227990][T12027] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 543.227991][T12027] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 543.227992][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.227993][T12027] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 543.227997][T12027] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 543.227999][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.228000][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.228002][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.228003][T12027] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 543.228005][T12027] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 543.228006][T12027] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 543.228008][T12027] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 543.228009][T12027] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 543.228012][T12027] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 543.228013][T12027] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 543.228015][T12027] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.228017][T12027] ? netlink_ack (./include/linux/skbuff.h:2718) [ 543.228018][T12027] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 543.228021][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.228022][T12027] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.228024][T12027] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 543.228027][T12027] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 543.228028][T12027] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.228030][T12027] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 543.228032][T12027] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 543.228034][T12027] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 543.228036][T12027] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.228037][T12027] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 543.228040][T12027] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 543.228042][T12027] ____sys_sendmsg (net/socket.c:2713) [ 543.228044][T12027] ? copy_msghdr_from_user (net/socket.c:2650) [ 543.228046][T12027] ? sock_write_iter (net/socket.c:1269) [ 543.228047][T12027] ? move_addr_to_kernel (net/socket.c:258) [ 543.228049][T12027] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 543.228051][T12027] ___sys_sendmsg (net/socket.c:2767) [ 543.228053][T12027] ? copy_msghdr_from_user (net/socket.c:2619) [ 543.228058][T12027] __sys_sendmsg (net/socket.c:2799) [ 543.228060][T12027] ? __sys_sendmsg_sock (net/socket.c:2780) [ 543.228063][T12027] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.228064][T12027] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 543.228066][T12027] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 543.228068][T12027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.228069][T12027] RIP: 0033:0x7f750997b54e [ 543.228071][T12027] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 543.228073][T12027] RSP: 002b:00007ffccc6050c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 543.228077][T12027] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f750997b54e [ 543.228078][T12027] RDX: 0000000000000000 RSI: 00007ffccc605170 RDI: 0000000000000005 [ 543.228079][T12027] RBP: 00007ffccc6050d0 R08: 0000000000000000 R09: 0000000000000000 [ 543.228080][T12027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916996 [ 543.228081][T12027] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccc605830 | [ 544.326314][T12077] softirqs last disabled at (0): 0x0 | [ 544.326316][T12077] Preemption disabled at: | [ 544.326317][T12077] vprintk_emit (kernel/printk/printk.c:2471) | [ 544.326327][T12077] Tainted: [W]=WARN [ 544.326328][T12077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 544.326330][T12077] Call Trace: [ 544.326332][T12077] [ 544.326333][T12077] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 544.326339][T12077] ? vprintk_emit (kernel/printk/printk.c:2471) [ 544.326340][T12077] __might_resched.cold (kernel/sched/core.c:9234) [ 544.326344][T12077] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 544.326346][T12077] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 544.326349][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326352][T12077] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 544.326355][T12077] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 544.326358][T12077] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 544.326363][T12077] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 544.326365][T12077] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 544.326368][T12077] put_chars (drivers/char/virtio_console.c:1176) [ 544.326369][T12077] ? __send_to_port (drivers/char/virtio_console.c:654) [ 544.326371][T12077] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 544.326374][T12077] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 544.326378][T12077] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 544.326380][T12077] ? vsnprintf (lib/vsprintf.c:2900) [ 544.326383][T12077] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 544.326385][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326386][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326388][T12077] console_emit_next_record (kernel/printk/printk.c:3183) [ 544.326391][T12077] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 544.326393][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326394][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326395][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326396][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326398][T12077] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 544.326400][T12077] console_flush_one_record (kernel/printk/printk.c:3268) [ 544.326403][T12077] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 544.326405][T12077] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 544.326407][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326409][T12077] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 544.326411][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326412][T12077] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 544.326414][T12077] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 544.326415][T12077] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 544.326417][T12077] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 544.326419][T12077] ? vprintk_emit (kernel/printk/printk.c:2478) [ 544.326420][T12077] vprintk_emit (kernel/printk/printk.c:2479) [ 544.326422][T12077] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 544.326423][T12077] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 544.326425][T12077] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 544.326428][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326429][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326431][T12077] _printk (kernel/printk/printk.c:2504) [ 544.326434][T12077] ? snapshot_read.cold (user.c:?) [ 544.326436][T12077] ? br_multicast_flood (??:?) [ 544.326440][T12077] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 544.326442][T12077] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 544.326443][T12077] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 544.326445][T12077] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 544.326448][T12077] br_init_port (net/bridge/br_stp_if.c:39) [ 544.326450][T12077] new_nbp (net/bridge/br_if.c:449) [ 544.326452][T12077] br_add_if (net/bridge/br_if.c:592) [ 544.326454][T12077] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 544.326458][T12077] do_set_master (net/core/rtnetlink.c:3071) [ 544.326460][T12077] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 544.326462][T12077] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 544.326463][T12077] ? __dev_get_by_name (net/core/dev.c:905) [ 544.326465][T12077] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 544.326469][T12077] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 544.326471][T12077] rtnl_newlink (net/core/rtnetlink.c:4215) [ 544.326473][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326475][T12077] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 544.326476][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326477][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326479][T12077] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 544.326481][T12077] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 544.326483][T12077] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 544.326486][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326487][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326488][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326490][T12077] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 544.326491][T12077] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 544.326493][T12077] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 544.326494][T12077] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 544.326496][T12077] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 544.326499][T12077] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 544.326502][T12077] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 544.326504][T12077] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 544.326506][T12077] ? netlink_ack (./include/linux/skbuff.h:2718) [ 544.326507][T12077] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 544.326510][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326511][T12077] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 544.326514][T12077] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 544.326516][T12077] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 544.326518][T12077] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 544.326520][T12077] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 544.326523][T12077] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 544.326526][T12077] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 544.326528][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326529][T12077] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 544.326533][T12077] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 544.326536][T12077] ____sys_sendmsg (net/socket.c:2713) [ 544.326537][T12077] ? copy_msghdr_from_user (net/socket.c:2650) [ 544.326539][T12077] ? sock_write_iter (net/socket.c:1269) [ 544.326541][T12077] ? move_addr_to_kernel (net/socket.c:258) [ 544.326543][T12077] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 544.326545][T12077] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 544.326547][T12077] ___sys_sendmsg (net/socket.c:2767) [ 544.326549][T12077] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 544.326551][T12077] ? copy_msghdr_from_user (net/socket.c:2619) [ 544.326553][T12077] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 544.326557][T12077] __sys_sendmsg (net/socket.c:2799) [ 544.326559][T12077] ? __sys_sendmsg_sock (net/socket.c:2780) [ 544.326562][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326563][T12077] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 544.326564][T12077] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 544.326567][T12077] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 544.326569][T12077] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 544.326571][T12077] RIP: 0033:0x7fe6d3c6e54e [ 544.326573][T12077] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 544.326575][T12077] RSP: 002b:00007ffec57c6940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 544.326578][T12077] RAX: ffffffffffffffda RBX: 00007ffec57c7108 RCX: 00007fe6d3c6e54e [ 544.326579][T12077] RDX: 0000000000000000 RSI: 00007ffec57c69f0 RDI: 0000000000000005 [ 544.326580][T12077] RBP: 00007ffec57c6950 R08: 0000000000000000 R09: 0000000000000000 [ 544.326581][T12077] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916997 [ 544.326582][T12077] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec57c70c0 | [ 550.359621][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 550.359623][ T12] Preemption disabled at: | [ 550.359624][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 550.359634][ T12] Tainted: [W]=WARN [ 550.359636][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 550.359637][ T12] Workqueue: netns cleanup_net [ 550.359643][ T12] Call Trace: [ 550.359645][ T12] [ 550.359646][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 550.359652][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 550.359654][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 550.359657][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 550.359659][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 550.359663][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359665][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 550.359668][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 550.359671][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 550.359676][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 550.359678][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 550.359680][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 550.359682][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 550.359684][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 550.359686][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 550.359691][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 550.359693][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 550.359695][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 550.359697][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359698][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359700][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 550.359702][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 550.359705][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359705][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359706][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359708][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 550.359710][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 550.359712][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 550.359714][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 550.359717][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 550.359719][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 550.359721][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 550.359722][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359723][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 550.359725][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 550.359727][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 550.359728][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 550.359730][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 550.359731][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 550.359733][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 550.359734][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 550.359736][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 550.359739][ T12] ? kthread (kernel/kthread.c:436) [ 550.359741][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 550.359744][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 550.359747][ T12] _printk (kernel/printk/printk.c:2504) [ 550.359750][ T12] ? snapshot_read.cold (user.c:?) [ 550.359752][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 550.359755][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 550.359758][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 550.359760][ T12] ? netdev_notice (net/core/dev.c:13194) [ 550.359762][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359763][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 550.359765][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 550.359768][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 550.359769][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 550.359770][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 550.359773][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 550.359776][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 550.359779][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 550.359781][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 550.359784][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 550.359786][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 550.359788][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 550.359791][ T12] cleanup_net (net/core/net_namespace.c:706) [ 550.359793][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 550.359794][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359796][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 550.359797][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 550.359799][ T12] process_one_work (kernel/workqueue.c:3387) [ 550.359802][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 550.359804][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 550.359807][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 550.359810][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 550.359812][ T12] kthread (kernel/kthread.c:436) [ 550.359814][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 550.359815][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 550.359817][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 550.359819][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 550.359821][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 550.359824][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 550.359826][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 551.599998][T12212] softirqs last disabled at (0): 0x0 | [ 551.600000][T12212] Preemption disabled at: | [ 551.600001][T12212] vprintk_emit (kernel/printk/printk.c:2471) | [ 551.600011][T12212] Tainted: [W]=WARN [ 551.600012][T12212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 551.600014][T12212] Call Trace: [ 551.600015][T12212] [ 551.600017][T12212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 551.600022][T12212] ? vprintk_emit (kernel/printk/printk.c:2471) [ 551.600024][T12212] __might_resched.cold (kernel/sched/core.c:9234) [ 551.600028][T12212] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 551.600030][T12212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 551.600033][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600036][T12212] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 551.600039][T12212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 551.600042][T12212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 551.600047][T12212] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 551.600049][T12212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 551.600051][T12212] put_chars (drivers/char/virtio_console.c:1176) [ 551.600053][T12212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 551.600055][T12212] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 551.600058][T12212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 551.600062][T12212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 551.600064][T12212] ? vsnprintf (lib/vsprintf.c:2900) [ 551.600067][T12212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 551.600069][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600070][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600071][T12212] console_emit_next_record (kernel/printk/printk.c:3183) [ 551.600074][T12212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 551.600076][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600077][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600078][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600079][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600082][T12212] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 551.600083][T12212] console_flush_one_record (kernel/printk/printk.c:3268) [ 551.600086][T12212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 551.600089][T12212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 551.600090][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600092][T12212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 551.600094][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600095][T12212] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 551.600096][T12212] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 551.600098][T12212] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 551.600099][T12212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 551.600101][T12212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 551.600102][T12212] vprintk_emit (kernel/printk/printk.c:2479) [ 551.600104][T12212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 551.600105][T12212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 551.600107][T12212] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 551.600110][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600112][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600113][T12212] _printk (kernel/printk/printk.c:2504) [ 551.600116][T12212] ? snapshot_read.cold (user.c:?) [ 551.600118][T12212] ? br_multicast_flood (??:?) [ 551.600121][T12212] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 551.600124][T12212] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 551.600125][T12212] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 551.600127][T12212] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 551.600130][T12212] br_init_port (net/bridge/br_stp_if.c:39) [ 551.600131][T12212] new_nbp (net/bridge/br_if.c:449) [ 551.600133][T12212] br_add_if (net/bridge/br_if.c:592) [ 551.600135][T12212] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 551.600139][T12212] do_set_master (net/core/rtnetlink.c:3071) [ 551.600141][T12212] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 551.600143][T12212] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 551.600144][T12212] ? __dev_get_by_name (net/core/dev.c:905) [ 551.600146][T12212] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 551.600150][T12212] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 551.600153][T12212] rtnl_newlink (net/core/rtnetlink.c:4215) [ 551.600155][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600156][T12212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 551.600157][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600159][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600160][T12212] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 551.600163][T12212] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 551.600164][T12212] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 551.600167][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600168][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600170][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600171][T12212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 551.600172][T12212] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 551.600174][T12212] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 551.600175][T12212] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 551.600177][T12212] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 551.600185][T12212] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 551.600188][T12212] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 551.600189][T12212] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 551.600191][T12212] ? netlink_ack (./include/linux/skbuff.h:2718) [ 551.600192][T12212] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 551.600195][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600196][T12212] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 551.600198][T12212] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 551.600201][T12212] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 551.600203][T12212] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 551.600205][T12212] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 551.600208][T12212] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 551.600210][T12212] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 551.600212][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600214][T12212] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 551.600218][T12212] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 551.600221][T12212] ____sys_sendmsg (net/socket.c:2713) [ 551.600222][T12212] ? copy_msghdr_from_user (net/socket.c:2650) [ 551.600224][T12212] ? sock_write_iter (net/socket.c:1269) [ 551.600226][T12212] ? move_addr_to_kernel (net/socket.c:258) [ 551.600228][T12212] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 551.600230][T12212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.600232][T12212] ___sys_sendmsg (net/socket.c:2767) [ 551.600234][T12212] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 551.600235][T12212] ? copy_msghdr_from_user (net/socket.c:2619) [ 551.600237][T12212] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 551.600242][T12212] __sys_sendmsg (net/socket.c:2799) [ 551.600244][T12212] ? __sys_sendmsg_sock (net/socket.c:2780) [ 551.600246][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600248][T12212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.600249][T12212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 551.600252][T12212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 551.600254][T12212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 551.600256][T12212] RIP: 0033:0x7f067cdc054e [ 551.600257][T12212] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 551.600259][T12212] RSP: 002b:00007ffe3098fc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 551.600263][T12212] RAX: ffffffffffffffda RBX: 00007ffe30990448 RCX: 00007f067cdc054e [ 551.600264][T12212] RDX: 0000000000000000 RSI: 00007ffe3098fd30 RDI: 0000000000000005 [ 551.600265][T12212] RBP: 00007ffe3098fc90 R08: 0000000000000000 R09: 0000000000000000 [ 551.600266][T12212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91699f [ 551.600267][T12212] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe30990400 | [ 552.942880][T12281] softirqs last disabled at (0): 0x0 | [ 552.942882][T12281] Preemption disabled at: | [ 552.942883][T12281] vprintk_emit (kernel/printk/printk.c:2471) | [ 552.942893][T12281] Tainted: [W]=WARN [ 552.942894][T12281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 552.942895][T12281] Call Trace: [ 552.942897][T12281] [ 552.942898][T12281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 552.942904][T12281] ? vprintk_emit (kernel/printk/printk.c:2471) [ 552.942906][T12281] __might_resched.cold (kernel/sched/core.c:9234) [ 552.942910][T12281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 552.942913][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.942916][T12281] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 552.942919][T12281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.942922][T12281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 552.942927][T12281] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 552.942929][T12281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 552.942931][T12281] put_chars (drivers/char/virtio_console.c:1176) [ 552.942933][T12281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 552.942934][T12281] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 552.942936][T12281] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 552.942938][T12281] ? pointer (lib/vsprintf.c:2577) [ 552.942942][T12281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 552.942946][T12281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 552.942948][T12281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.942950][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.942952][T12281] console_emit_next_record (kernel/printk/printk.c:3183) [ 552.942955][T12281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 552.942957][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.942958][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.942959][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.942960][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.942962][T12281] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 552.942964][T12281] console_flush_one_record (kernel/printk/printk.c:3268) [ 552.942967][T12281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 552.942969][T12281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 552.942971][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.942973][T12281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 552.942974][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.942975][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.942977][T12281] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 552.942978][T12281] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 552.942980][T12281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 552.942982][T12281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 552.942983][T12281] vprintk_emit (kernel/printk/printk.c:2479) [ 552.942985][T12281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 552.942986][T12281] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 552.942988][T12281] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 552.942991][T12281] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 552.942994][T12281] _printk (kernel/printk/printk.c:2504) [ 552.942996][T12281] ? snapshot_read.cold (user.c:?) [ 552.942998][T12281] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 552.943000][T12281] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 552.943003][T12281] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 552.943005][T12281] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 552.943008][T12281] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 552.943011][T12281] ? netdev_notice (net/core/dev.c:13194) [ 552.943013][T12281] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 552.943014][T12281] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 552.943017][T12281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.943018][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943019][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943020][T12281] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 552.943022][T12281] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 552.943023][T12281] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 552.943025][T12281] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 552.943026][T12281] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 552.943028][T12281] ? register_netdev (net/core/dev.c:11618) [ 552.943029][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.943031][T12281] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 552.943034][T12281] ? __kernel_text_address (kernel/extable.c:79) [ 552.943036][T12281] ? write_profile (profile.c:?) [ 552.943039][T12281] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 552.943043][T12281] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 552.943045][T12281] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 552.943046][T12281] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 552.943047][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943048][T12281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 552.943052][T12281] ? kasan_save_stack (mm/kasan/common.c:58) [ 552.943054][T12281] ? kasan_save_stack (mm/kasan/common.c:57) [ 552.943055][T12281] ? kasan_save_track (mm/kasan/common.c:78) [ 552.943056][T12281] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 552.943057][T12281] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 552.943058][T12281] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 552.943059][T12281] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 552.943060][T12281] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 552.943063][T12281] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 552.943065][T12281] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 552.943066][T12281] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 552.943069][T12281] ? ____sys_sendmsg (net/socket.c:2713) [ 552.943070][T12281] ? ___sys_sendmsg (net/socket.c:2767) [ 552.943071][T12281] ? __sys_sendmsg (net/socket.c:2799) [ 552.943073][T12281] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 552.943075][T12281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.943078][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943079][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.943080][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943081][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943082][T12281] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 552.943084][T12281] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 552.943085][T12281] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 552.943086][T12281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 552.943088][T12281] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 552.943089][T12281] ? nla_get_range_signed (lib/nlattr.c:270) [ 552.943092][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943094][T12281] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 552.943096][T12281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 552.943098][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943099][T12281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 552.943100][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.943102][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943103][T12281] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 552.943105][T12281] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 552.943106][T12281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 552.943108][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943109][T12281] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 552.943112][T12281] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 552.943115][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943116][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.943117][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943119][T12281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 552.943120][T12281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 552.943122][T12281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 552.943123][T12281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 552.943124][T12281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 552.943127][T12281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 552.943128][T12281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 552.943130][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.943131][T12281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 552.943133][T12281] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 552.943136][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943137][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.943139][T12281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 552.943141][T12281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 552.943143][T12281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.943145][T12281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 552.943147][T12281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 552.943149][T12281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 552.943150][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.943152][T12281] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 552.943155][T12281] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 552.943157][T12281] ____sys_sendmsg (net/socket.c:2713) [ 552.943158][T12281] ? copy_msghdr_from_user (net/socket.c:2650) [ 552.943160][T12281] ? sock_write_iter (net/socket.c:1269) [ 552.943161][T12281] ? move_addr_to_kernel (net/socket.c:258) [ 552.943163][T12281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 552.943166][T12281] ___sys_sendmsg (net/socket.c:2767) [ 552.943167][T12281] ? copy_msghdr_from_user (net/socket.c:2619) [ 552.943172][T12281] __sys_sendmsg (net/socket.c:2799) [ 552.943174][T12281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 552.943177][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.943178][T12281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 552.943180][T12281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 552.943185][T12281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.943187][T12281] RIP: 0033:0x7f316bf9054e [ 552.943189][T12281] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 552.943191][T12281] RSP: 002b:00007fff29157d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 552.943194][T12281] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f316bf9054e [ 552.943195][T12281] RDX: 0000000000000000 RSI: 00007fff29157db0 RDI: 0000000000000005 [ 552.943196][T12281] RBP: 00007fff29157d10 R08: 0000000000000000 R09: 0000000000000000 [ 552.943197][T12281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169a0 [ 552.943198][T12281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff29158470 | [ 553.996637][T12331] softirqs last disabled at (0): 0x0 | [ 553.996639][T12331] Preemption disabled at: | [ 553.996640][T12331] vprintk_emit (kernel/printk/printk.c:2471) | [ 553.996650][T12331] Tainted: [W]=WARN [ 553.996652][T12331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 553.996653][T12331] Call Trace: [ 553.996654][T12331] [ 553.996656][T12331] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 553.996661][T12331] ? vprintk_emit (kernel/printk/printk.c:2471) [ 553.996663][T12331] __might_resched.cold (kernel/sched/core.c:9234) [ 553.996667][T12331] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 553.996669][T12331] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 553.996672][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996675][T12331] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 553.996678][T12331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.996681][T12331] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 553.996686][T12331] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 553.996687][T12331] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 553.996690][T12331] put_chars (drivers/char/virtio_console.c:1176) [ 553.996692][T12331] ? __send_to_port (drivers/char/virtio_console.c:654) [ 553.996694][T12331] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 553.996696][T12331] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 553.996701][T12331] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 553.996703][T12331] ? vsnprintf (lib/vsprintf.c:2900) [ 553.996706][T12331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.996707][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996708][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996710][T12331] console_emit_next_record (kernel/printk/printk.c:3183) [ 553.996713][T12331] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 553.996715][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996716][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996717][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996718][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996721][T12331] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 553.996723][T12331] console_flush_one_record (kernel/printk/printk.c:3268) [ 553.996725][T12331] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 553.996728][T12331] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 553.996730][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996732][T12331] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 553.996733][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996734][T12331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.996736][T12331] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 553.996737][T12331] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 553.996739][T12331] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 553.996741][T12331] ? vprintk_emit (kernel/printk/printk.c:2478) [ 553.996742][T12331] vprintk_emit (kernel/printk/printk.c:2479) [ 553.996744][T12331] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 553.996745][T12331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.996747][T12331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 553.996749][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996751][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996752][T12331] _printk (kernel/printk/printk.c:2504) [ 553.996756][T12331] ? snapshot_read.cold (user.c:?) [ 553.996758][T12331] ? br_multicast_flood (??:?) [ 553.996761][T12331] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 553.996764][T12331] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 553.996765][T12331] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 553.996767][T12331] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 553.996769][T12331] br_init_port (net/bridge/br_stp_if.c:39) [ 553.996771][T12331] new_nbp (net/bridge/br_if.c:449) [ 553.996773][T12331] br_add_if (net/bridge/br_if.c:592) [ 553.996775][T12331] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 553.996779][T12331] do_set_master (net/core/rtnetlink.c:3071) [ 553.996781][T12331] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 553.996782][T12331] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 553.996784][T12331] ? __dev_get_by_name (net/core/dev.c:905) [ 553.996786][T12331] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 553.996790][T12331] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 553.996792][T12331] rtnl_newlink (net/core/rtnetlink.c:4215) [ 553.996794][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996795][T12331] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 553.996797][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996798][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996800][T12331] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 553.996802][T12331] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 553.996804][T12331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 553.996807][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996808][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996809][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996810][T12331] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 553.996812][T12331] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 553.996814][T12331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 553.996815][T12331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 553.996816][T12331] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 553.996820][T12331] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 553.996823][T12331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 553.996825][T12331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.996826][T12331] ? netlink_ack (./include/linux/skbuff.h:2718) [ 553.996828][T12331] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 553.996831][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996832][T12331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.996834][T12331] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 553.996836][T12331] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 553.996840][T12331] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 553.996843][T12331] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 553.996846][T12331] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 553.996848][T12331] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 553.996850][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996851][T12331] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 553.996855][T12331] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 553.996858][T12331] ____sys_sendmsg (net/socket.c:2713) [ 553.996860][T12331] ? copy_msghdr_from_user (net/socket.c:2650) [ 553.996861][T12331] ? sock_write_iter (net/socket.c:1269) [ 553.996863][T12331] ? move_addr_to_kernel (net/socket.c:258) [ 553.996865][T12331] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 553.996868][T12331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.996870][T12331] ___sys_sendmsg (net/socket.c:2767) [ 553.996871][T12331] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 553.996873][T12331] ? copy_msghdr_from_user (net/socket.c:2619) [ 553.996875][T12331] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 553.996879][T12331] __sys_sendmsg (net/socket.c:2799) [ 553.996881][T12331] ? __sys_sendmsg_sock (net/socket.c:2780) [ 553.996884][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996885][T12331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.996886][T12331] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 553.996889][T12331] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 553.996891][T12331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 553.996893][T12331] RIP: 0033:0x7f934b98754e [ 553.996895][T12331] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 553.996897][T12331] RSP: 002b:00007ffc5ade31b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 553.996900][T12331] RAX: ffffffffffffffda RBX: 00007ffc5ade3978 RCX: 00007f934b98754e [ 553.996902][T12331] RDX: 0000000000000000 RSI: 00007ffc5ade3260 RDI: 0000000000000005 [ 553.996903][T12331] RBP: 00007ffc5ade31c0 R08: 0000000000000000 R09: 0000000000000000 [ 553.996904][T12331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169a1 [ 553.996905][T12331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5ade3930 | [ 560.011369][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 560.011371][ T12] Preemption disabled at: | [ 560.011372][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 560.011382][ T12] Tainted: [W]=WARN [ 560.011383][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 560.011385][ T12] Workqueue: netns cleanup_net [ 560.011391][ T12] Call Trace: [ 560.011393][ T12] [ 560.011394][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 560.011400][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 560.011401][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 560.011404][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 560.011407][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 560.011410][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011412][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 560.011416][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.011419][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 560.011424][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 560.011425][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 560.011428][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 560.011430][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 560.011432][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 560.011434][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 560.011439][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 560.011441][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 560.011443][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.011445][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011446][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011448][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 560.011450][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 560.011453][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011454][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011455][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011456][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.011458][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 560.011460][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 560.011462][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 560.011465][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 560.011467][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.011469][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 560.011470][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011471][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 560.011473][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 560.011474][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 560.011476][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 560.011478][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 560.011479][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 560.011481][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 560.011483][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 560.011484][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 560.011487][ T12] ? kthread (kernel/kthread.c:436) [ 560.011489][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 560.011492][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 560.011495][ T12] _printk (kernel/printk/printk.c:2504) [ 560.011498][ T12] ? snapshot_read.cold (user.c:?) [ 560.011500][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 560.011503][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 560.011506][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 560.011508][ T12] ? netdev_notice (net/core/dev.c:13194) [ 560.011510][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011512][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 560.011513][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 560.011516][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 560.011517][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 560.011519][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 560.011521][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 560.011524][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 560.011528][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 560.011530][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 560.011532][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 560.011534][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 560.011536][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 560.011539][ T12] cleanup_net (net/core/net_namespace.c:706) [ 560.011541][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 560.011543][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.011545][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.011546][ T12] process_one_work (kernel/workqueue.c:3387) [ 560.011549][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 560.011552][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.011555][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 560.011558][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 560.011559][ T12] kthread (kernel/kthread.c:436) [ 560.011561][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 560.011563][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 560.011565][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 560.011566][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 560.011568][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 560.011571][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 560.011573][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 561.202371][T12465] softirqs last disabled at (0): 0x0 | [ 561.202372][T12465] Preemption disabled at: | [ 561.202373][T12465] vprintk_emit (kernel/printk/printk.c:2471) | [ 561.202384][T12465] Tainted: [W]=WARN [ 561.202385][T12465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 561.202386][T12465] Call Trace: [ 561.202388][T12465] [ 561.202389][T12465] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 561.202394][T12465] ? vprintk_emit (kernel/printk/printk.c:2471) [ 561.202396][T12465] __might_resched.cold (kernel/sched/core.c:9234) [ 561.202400][T12465] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 561.202402][T12465] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 561.202405][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202408][T12465] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 561.202411][T12465] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.202414][T12465] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 561.202419][T12465] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 561.202420][T12465] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 561.202423][T12465] put_chars (drivers/char/virtio_console.c:1176) [ 561.202425][T12465] ? __send_to_port (drivers/char/virtio_console.c:654) [ 561.202426][T12465] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 561.202429][T12465] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 561.202434][T12465] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 561.202435][T12465] ? vsnprintf (lib/vsprintf.c:2900) [ 561.202438][T12465] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.202440][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202441][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202443][T12465] console_emit_next_record (kernel/printk/printk.c:3183) [ 561.202446][T12465] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 561.202448][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202449][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202450][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202451][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202453][T12465] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 561.202455][T12465] console_flush_one_record (kernel/printk/printk.c:3268) [ 561.202457][T12465] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 561.202460][T12465] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 561.202462][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202464][T12465] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 561.202465][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202467][T12465] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.202468][T12465] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 561.202470][T12465] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 561.202471][T12465] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 561.202473][T12465] ? vprintk_emit (kernel/printk/printk.c:2478) [ 561.202475][T12465] vprintk_emit (kernel/printk/printk.c:2479) [ 561.202476][T12465] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 561.202477][T12465] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.202479][T12465] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 561.202482][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202483][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202485][T12465] _printk (kernel/printk/printk.c:2504) [ 561.202488][T12465] ? snapshot_read.cold (user.c:?) [ 561.202490][T12465] ? br_multicast_flood (??:?) [ 561.202493][T12465] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 561.202496][T12465] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 561.202497][T12465] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 561.202499][T12465] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 561.202502][T12465] br_init_port (net/bridge/br_stp_if.c:39) [ 561.202503][T12465] new_nbp (net/bridge/br_if.c:449) [ 561.202506][T12465] br_add_if (net/bridge/br_if.c:592) [ 561.202507][T12465] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 561.202512][T12465] do_set_master (net/core/rtnetlink.c:3071) [ 561.202513][T12465] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 561.202515][T12465] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 561.202516][T12465] ? __dev_get_by_name (net/core/dev.c:905) [ 561.202518][T12465] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 561.202522][T12465] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 561.202525][T12465] rtnl_newlink (net/core/rtnetlink.c:4215) [ 561.202527][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202528][T12465] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 561.202529][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202531][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202532][T12465] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 561.202535][T12465] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 561.202537][T12465] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 561.202539][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202540][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202542][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202543][T12465] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 561.202544][T12465] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 561.202546][T12465] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 561.202548][T12465] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 561.202549][T12465] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 561.202553][T12465] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 561.202556][T12465] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 561.202557][T12465] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.202559][T12465] ? netlink_ack (./include/linux/skbuff.h:2718) [ 561.202561][T12465] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 561.202564][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202565][T12465] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.202567][T12465] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 561.202569][T12465] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 561.202571][T12465] ? next_uptodate_folio (mm/filemap.c:3747) [ 561.202574][T12465] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 561.202576][T12465] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 561.202578][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202580][T12465] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 561.202584][T12465] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 561.202586][T12465] ____sys_sendmsg (net/socket.c:2713) [ 561.202588][T12465] ? copy_msghdr_from_user (net/socket.c:2650) [ 561.202590][T12465] ? sock_write_iter (net/socket.c:1269) [ 561.202591][T12465] ? move_addr_to_kernel (net/socket.c:258) [ 561.202593][T12465] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 561.202596][T12465] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.202598][T12465] ___sys_sendmsg (net/socket.c:2767) [ 561.202600][T12465] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 561.202601][T12465] ? copy_msghdr_from_user (net/socket.c:2619) [ 561.202603][T12465] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 561.202608][T12465] __sys_sendmsg (net/socket.c:2799) [ 561.202610][T12465] ? __sys_sendmsg_sock (net/socket.c:2780) [ 561.202612][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202614][T12465] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.202615][T12465] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 561.202618][T12465] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 561.202620][T12465] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 561.202621][T12465] RIP: 0033:0x7f0fe895554e [ 561.202623][T12465] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 561.202625][T12465] RSP: 002b:00007ffd1e5e0100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 561.202629][T12465] RAX: ffffffffffffffda RBX: 00007ffd1e5e08c8 RCX: 00007f0fe895554e [ 561.202630][T12465] RDX: 0000000000000000 RSI: 00007ffd1e5e01b0 RDI: 0000000000000005 [ 561.202631][T12465] RBP: 00007ffd1e5e0110 R08: 0000000000000000 R09: 0000000000000000 [ 561.202632][T12465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169a8 [ 561.202633][T12465] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1e5e0880 | [ 562.497315][T12533] softirqs last disabled at (0): 0x0 | [ 562.497317][T12533] Preemption disabled at: | [ 562.497318][T12533] vprintk_emit (kernel/printk/printk.c:2471) | [ 562.497328][T12533] Tainted: [W]=WARN [ 562.497329][T12533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 562.497331][T12533] Call Trace: [ 562.497332][T12533] [ 562.497334][T12533] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 562.497339][T12533] ? vprintk_emit (kernel/printk/printk.c:2471) [ 562.497340][T12533] __might_resched.cold (kernel/sched/core.c:9234) [ 562.497344][T12533] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 562.497347][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497350][T12533] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 562.497353][T12533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 562.497356][T12533] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 562.497361][T12533] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 562.497363][T12533] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 562.497365][T12533] put_chars (drivers/char/virtio_console.c:1176) [ 562.497367][T12533] ? __send_to_port (drivers/char/virtio_console.c:654) [ 562.497368][T12533] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 562.497370][T12533] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 562.497372][T12533] ? pointer (lib/vsprintf.c:2577) [ 562.497376][T12533] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 562.497381][T12533] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 562.497382][T12533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 562.497384][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497387][T12533] console_emit_next_record (kernel/printk/printk.c:3183) [ 562.497390][T12533] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 562.497392][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497393][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497394][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497395][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497397][T12533] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 562.497399][T12533] console_flush_one_record (kernel/printk/printk.c:3268) [ 562.497401][T12533] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 562.497404][T12533] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 562.497406][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497408][T12533] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 562.497409][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497410][T12533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 562.497412][T12533] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 562.497413][T12533] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 562.497415][T12533] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 562.497417][T12533] ? vprintk_emit (kernel/printk/printk.c:2478) [ 562.497418][T12533] vprintk_emit (kernel/printk/printk.c:2479) [ 562.497420][T12533] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 562.497421][T12533] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 562.497424][T12533] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 562.497427][T12533] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 562.497429][T12533] _printk (kernel/printk/printk.c:2504) [ 562.497432][T12533] ? snapshot_read.cold (user.c:?) [ 562.497434][T12533] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 562.497436][T12533] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 562.497439][T12533] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 562.497441][T12533] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 562.497444][T12533] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 562.497447][T12533] ? netdev_notice (net/core/dev.c:13194) [ 562.497449][T12533] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 562.497450][T12533] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 562.497453][T12533] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 562.497454][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497455][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497456][T12533] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 562.497458][T12533] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 562.497459][T12533] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 562.497461][T12533] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 562.497462][T12533] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 562.497464][T12533] ? register_netdev (net/core/dev.c:11618) [ 562.497465][T12533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 562.497467][T12533] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 562.497470][T12533] ? __kernel_text_address (kernel/extable.c:79) [ 562.497473][T12533] ? write_profile (profile.c:?) [ 562.497475][T12533] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 562.497479][T12533] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 562.497481][T12533] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 562.497482][T12533] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 562.497484][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497485][T12533] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 562.497488][T12533] ? kasan_save_stack (mm/kasan/common.c:58) [ 562.497490][T12533] ? kasan_save_stack (mm/kasan/common.c:57) [ 562.497491][T12533] ? kasan_save_track (mm/kasan/common.c:78) [ 562.497492][T12533] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 562.497493][T12533] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 562.497495][T12533] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 562.497496][T12533] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 562.497497][T12533] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 562.497500][T12533] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 562.497501][T12533] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 562.497503][T12533] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 562.497505][T12533] ? ____sys_sendmsg (net/socket.c:2713) [ 562.497507][T12533] ? ___sys_sendmsg (net/socket.c:2767) [ 562.497508][T12533] ? __sys_sendmsg (net/socket.c:2799) [ 562.497510][T12533] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 562.497512][T12533] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 562.497515][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497516][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497517][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497518][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497520][T12533] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 562.497521][T12533] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 562.497522][T12533] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 562.497523][T12533] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 562.497525][T12533] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 562.497526][T12533] ? nla_get_range_signed (lib/nlattr.c:270) [ 562.497529][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497531][T12533] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 562.497533][T12533] rtnl_newlink (net/core/rtnetlink.c:4215) [ 562.497535][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497536][T12533] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 562.497537][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497539][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497540][T12533] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 562.497542][T12533] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 562.497543][T12533] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 562.497545][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497546][T12533] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 562.497549][T12533] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 562.497552][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497553][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497554][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497556][T12533] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 562.497557][T12533] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 562.497559][T12533] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 562.497560][T12533] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 562.497561][T12533] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 562.497564][T12533] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 562.497565][T12533] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 562.497567][T12533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 562.497568][T12533] ? netlink_ack (./include/linux/skbuff.h:2718) [ 562.497570][T12533] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 562.497573][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497574][T12533] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 562.497576][T12533] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 562.497578][T12533] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 562.497580][T12533] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 562.497582][T12533] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 562.497584][T12533] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 562.497586][T12533] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 562.497587][T12533] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 562.497589][T12533] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 562.497592][T12533] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 562.497594][T12533] ____sys_sendmsg (net/socket.c:2713) [ 562.497595][T12533] ? copy_msghdr_from_user (net/socket.c:2650) [ 562.497597][T12533] ? sock_write_iter (net/socket.c:1269) [ 562.497599][T12533] ? move_addr_to_kernel (net/socket.c:258) [ 562.497600][T12533] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 562.497603][T12533] ___sys_sendmsg (net/socket.c:2767) [ 562.497604][T12533] ? copy_msghdr_from_user (net/socket.c:2619) [ 562.497609][T12533] __sys_sendmsg (net/socket.c:2799) [ 562.497611][T12533] ? __sys_sendmsg_sock (net/socket.c:2780) [ 562.497614][T12533] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 562.497615][T12533] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 562.497617][T12533] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 562.497619][T12533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 562.497620][T12533] RIP: 0033:0x7f239d96954e [ 562.497622][T12533] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 562.497624][T12533] RSP: 002b:00007ffca0b9dce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 562.497627][T12533] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f239d96954e [ 562.497629][T12533] RDX: 0000000000000000 RSI: 00007ffca0b9dd90 RDI: 0000000000000005 [ 562.497629][T12533] RBP: 00007ffca0b9dcf0 R08: 0000000000000000 R09: 0000000000000000 [ 562.497630][T12533] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169a9 [ 562.497631][T12533] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca0b9e450 | [ 563.591194][T12591] softirqs last disabled at (0): 0x0 | [ 563.591196][T12591] Preemption disabled at: | [ 563.591197][T12591] vprintk_emit (kernel/printk/printk.c:2471) | [ 563.591212][T12591] Tainted: [W]=WARN [ 563.591213][T12591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 563.591215][T12591] Call Trace: [ 563.591216][T12591] [ 563.591217][T12591] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 563.591223][T12591] ? vprintk_emit (kernel/printk/printk.c:2471) [ 563.591224][T12591] __might_resched.cold (kernel/sched/core.c:9234) [ 563.591228][T12591] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 563.591231][T12591] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 563.591234][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591236][T12591] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 563.591239][T12591] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.591242][T12591] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 563.591248][T12591] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 563.591249][T12591] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 563.591252][T12591] put_chars (drivers/char/virtio_console.c:1176) [ 563.591253][T12591] ? __send_to_port (drivers/char/virtio_console.c:654) [ 563.591255][T12591] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 563.591257][T12591] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 563.591259][T12591] ? __schedule (kernel/sched/core.c:7277) [ 563.591263][T12591] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 563.591268][T12591] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 563.591269][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591271][T12591] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.591272][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591273][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591275][T12591] console_emit_next_record (kernel/printk/printk.c:3183) [ 563.591278][T12591] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 563.591280][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591281][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591284][T12591] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 563.591285][T12591] console_flush_one_record (kernel/printk/printk.c:3268) [ 563.591288][T12591] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 563.591291][T12591] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 563.591292][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591294][T12591] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 563.591296][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591297][T12591] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.591299][T12591] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 563.591300][T12591] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 563.591302][T12591] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 563.591304][T12591] ? vprintk_emit (kernel/printk/printk.c:2478) [ 563.591305][T12591] vprintk_emit (kernel/printk/printk.c:2479) [ 563.591307][T12591] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 563.591308][T12591] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.591310][T12591] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 563.591313][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591314][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591316][T12591] _printk (kernel/printk/printk.c:2504) [ 563.591319][T12591] ? snapshot_read.cold (user.c:?) [ 563.591321][T12591] ? br_multicast_flood (??:?) [ 563.591324][T12591] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 563.591327][T12591] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 563.591328][T12591] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 563.591330][T12591] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 563.591332][T12591] br_init_port (net/bridge/br_stp_if.c:39) [ 563.591334][T12591] new_nbp (net/bridge/br_if.c:449) [ 563.591336][T12591] br_add_if (net/bridge/br_if.c:592) [ 563.591338][T12591] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 563.591342][T12591] do_set_master (net/core/rtnetlink.c:3071) [ 563.591344][T12591] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 563.591346][T12591] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 563.591347][T12591] ? __dev_get_by_name (net/core/dev.c:905) [ 563.591349][T12591] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 563.591353][T12591] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 563.591355][T12591] rtnl_newlink (net/core/rtnetlink.c:4215) [ 563.591357][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591358][T12591] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 563.591360][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591361][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591363][T12591] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 563.591365][T12591] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 563.591367][T12591] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 563.591370][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591371][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591372][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591374][T12591] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 563.591375][T12591] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 563.591377][T12591] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 563.591378][T12591] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 563.591379][T12591] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 563.591383][T12591] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 563.591386][T12591] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 563.591387][T12591] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.591389][T12591] ? netlink_ack (./include/linux/skbuff.h:2718) [ 563.591390][T12591] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 563.591393][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591394][T12591] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.591396][T12591] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 563.591399][T12591] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 563.591401][T12591] ? next_uptodate_folio (mm/filemap.c:3747) [ 563.591404][T12591] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 563.591406][T12591] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 563.591408][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591409][T12591] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 563.591413][T12591] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 563.591416][T12591] ____sys_sendmsg (net/socket.c:2713) [ 563.591417][T12591] ? copy_msghdr_from_user (net/socket.c:2650) [ 563.591419][T12591] ? sock_write_iter (net/socket.c:1269) [ 563.591420][T12591] ? move_addr_to_kernel (net/socket.c:258) [ 563.591423][T12591] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 563.591425][T12591] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.591427][T12591] ___sys_sendmsg (net/socket.c:2767) [ 563.591428][T12591] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 563.591430][T12591] ? copy_msghdr_from_user (net/socket.c:2619) [ 563.591432][T12591] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 563.591436][T12591] __sys_sendmsg (net/socket.c:2799) [ 563.591438][T12591] ? __sys_sendmsg_sock (net/socket.c:2780) [ 563.591441][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591442][T12591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.591443][T12591] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 563.591446][T12591] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 563.591448][T12591] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.591450][T12591] RIP: 0033:0x7f09ebbdb54e [ 563.591452][T12591] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 563.591454][T12591] RSP: 002b:00007ffe07141240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 563.591458][T12591] RAX: ffffffffffffffda RBX: 00007ffe07141a08 RCX: 00007f09ebbdb54e [ 563.591459][T12591] RDX: 0000000000000000 RSI: 00007ffe071412f0 RDI: 0000000000000005 [ 563.591460][T12591] RBP: 00007ffe07141250 R08: 0000000000000000 R09: 0000000000000000 [ 563.591461][T12591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169ab [ 563.591462][T12591] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe071419c0 | [ 569.616254][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 569.616257][ T12] Preemption disabled at: | [ 569.616257][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 569.616268][ T12] Tainted: [W]=WARN [ 569.616269][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 569.616271][ T12] Workqueue: netns cleanup_net [ 569.616277][ T12] Call Trace: [ 569.616278][ T12] [ 569.616280][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 569.616285][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 569.616286][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 569.616290][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 569.616292][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 569.616295][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616298][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 569.616301][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 569.616304][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 569.616309][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 569.616311][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 569.616313][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 569.616315][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 569.616317][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 569.616319][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 569.616324][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 569.616326][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 569.616328][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 569.616330][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616331][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616333][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 569.616336][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 569.616338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616339][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616340][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616341][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 569.616343][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 569.616345][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 569.616347][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 569.616350][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 569.616352][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 569.616354][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 569.616355][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616356][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 569.616358][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 569.616359][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 569.616361][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 569.616363][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 569.616364][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 569.616366][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 569.616367][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 569.616369][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 569.616372][ T12] ? kthread (kernel/kthread.c:436) [ 569.616374][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 569.616377][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 569.616379][ T12] _printk (kernel/printk/printk.c:2504) [ 569.616382][ T12] ? snapshot_read.cold (user.c:?) [ 569.616384][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 569.616388][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 569.616390][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 569.616392][ T12] ? netdev_notice (net/core/dev.c:13194) [ 569.616394][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616396][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 569.616397][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 569.616400][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 569.616402][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 569.616403][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 569.616405][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 569.616408][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 569.616412][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 569.616414][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 569.616417][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 569.616419][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 569.616421][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 569.616424][ T12] cleanup_net (net/core/net_namespace.c:706) [ 569.616426][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 569.616428][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 569.616429][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 569.616431][ T12] process_one_work (kernel/workqueue.c:3387) [ 569.616434][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 569.616437][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 569.616439][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 569.616442][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 569.616444][ T12] kthread (kernel/kthread.c:436) [ 569.616446][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 569.616447][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 569.616449][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 569.616451][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 569.616453][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 569.616456][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 569.616458][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 570.847096][T12725] softirqs last disabled at (0): 0x0 | [ 570.847098][T12725] Preemption disabled at: | [ 570.847099][T12725] vprintk_emit (kernel/printk/printk.c:2471) | [ 570.847109][T12725] Tainted: [W]=WARN [ 570.847110][T12725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 570.847112][T12725] Call Trace: [ 570.847113][T12725] [ 570.847114][T12725] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 570.847120][T12725] ? vprintk_emit (kernel/printk/printk.c:2471) [ 570.847122][T12725] __might_resched.cold (kernel/sched/core.c:9234) [ 570.847125][T12725] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 570.847128][T12725] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 570.847131][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847134][T12725] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 570.847136][T12725] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.847139][T12725] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 570.847144][T12725] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 570.847146][T12725] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 570.847149][T12725] put_chars (drivers/char/virtio_console.c:1176) [ 570.847151][T12725] ? __send_to_port (drivers/char/virtio_console.c:654) [ 570.847152][T12725] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 570.847155][T12725] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 570.847159][T12725] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 570.847161][T12725] ? vsnprintf (lib/vsprintf.c:2900) [ 570.847164][T12725] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.847166][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847167][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847169][T12725] console_emit_next_record (kernel/printk/printk.c:3183) [ 570.847171][T12725] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 570.847174][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847175][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847176][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847177][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847179][T12725] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 570.847181][T12725] console_flush_one_record (kernel/printk/printk.c:3268) [ 570.847184][T12725] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 570.847186][T12725] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 570.847188][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847190][T12725] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 570.847192][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847193][T12725] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 570.847194][T12725] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 570.847196][T12725] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 570.847197][T12725] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 570.847199][T12725] ? vprintk_emit (kernel/printk/printk.c:2478) [ 570.847200][T12725] vprintk_emit (kernel/printk/printk.c:2479) [ 570.847202][T12725] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 570.847203][T12725] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.847205][T12725] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 570.847208][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847209][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847211][T12725] _printk (kernel/printk/printk.c:2504) [ 570.847213][T12725] ? snapshot_read.cold (user.c:?) [ 570.847215][T12725] ? br_multicast_flood (??:?) [ 570.847219][T12725] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 570.847225][T12725] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 570.847226][T12725] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 570.847228][T12725] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 570.847231][T12725] br_init_port (net/bridge/br_stp_if.c:39) [ 570.847232][T12725] new_nbp (net/bridge/br_if.c:449) [ 570.847235][T12725] br_add_if (net/bridge/br_if.c:592) [ 570.847237][T12725] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 570.847241][T12725] do_set_master (net/core/rtnetlink.c:3071) [ 570.847243][T12725] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 570.847244][T12725] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 570.847246][T12725] ? __dev_get_by_name (net/core/dev.c:905) [ 570.847247][T12725] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 570.847251][T12725] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 570.847254][T12725] rtnl_newlink (net/core/rtnetlink.c:4215) [ 570.847256][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847257][T12725] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 570.847259][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847260][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847261][T12725] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 570.847264][T12725] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 570.847266][T12725] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 570.847269][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847270][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847271][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847273][T12725] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 570.847274][T12725] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 570.847276][T12725] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 570.847277][T12725] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 570.847279][T12725] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 570.847283][T12725] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 570.847285][T12725] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 570.847287][T12725] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 570.847289][T12725] ? netlink_ack (./include/linux/skbuff.h:2718) [ 570.847290][T12725] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 570.847293][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847294][T12725] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 570.847296][T12725] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 570.847298][T12725] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 570.847300][T12725] ? next_uptodate_folio (mm/filemap.c:3747) [ 570.847303][T12725] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 570.847306][T12725] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 570.847308][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847309][T12725] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 570.847312][T12725] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 570.847315][T12725] ____sys_sendmsg (net/socket.c:2713) [ 570.847317][T12725] ? copy_msghdr_from_user (net/socket.c:2650) [ 570.847319][T12725] ? sock_write_iter (net/socket.c:1269) [ 570.847320][T12725] ? move_addr_to_kernel (net/socket.c:258) [ 570.847322][T12725] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 570.847325][T12725] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.847327][T12725] ___sys_sendmsg (net/socket.c:2767) [ 570.847328][T12725] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 570.847330][T12725] ? copy_msghdr_from_user (net/socket.c:2619) [ 570.847332][T12725] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 570.847337][T12725] __sys_sendmsg (net/socket.c:2799) [ 570.847339][T12725] ? __sys_sendmsg_sock (net/socket.c:2780) [ 570.847341][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847342][T12725] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.847344][T12725] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 570.847346][T12725] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 570.847348][T12725] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 570.847350][T12725] RIP: 0033:0x7f529031354e [ 570.847352][T12725] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 570.847354][T12725] RSP: 002b:00007ffcba5046b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 570.847358][T12725] RAX: ffffffffffffffda RBX: 00007ffcba504e78 RCX: 00007f529031354e [ 570.847359][T12725] RDX: 0000000000000000 RSI: 00007ffcba504760 RDI: 0000000000000005 [ 570.847360][T12725] RBP: 00007ffcba5046c0 R08: 0000000000000000 R09: 0000000000000000 [ 570.847361][T12725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169b2 [ 570.847362][T12725] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcba504e30 | [ 572.218249][T12794] softirqs last disabled at (0): 0x0 | [ 572.218251][T12794] Preemption disabled at: | [ 572.218252][T12794] vprintk_emit (kernel/printk/printk.c:2471) | [ 572.218263][T12794] Tainted: [W]=WARN [ 572.218264][T12794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 572.218266][T12794] Call Trace: [ 572.218268][T12794] [ 572.218269][T12794] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 572.218275][T12794] ? vprintk_emit (kernel/printk/printk.c:2471) [ 572.218276][T12794] __might_resched.cold (kernel/sched/core.c:9234) [ 572.218280][T12794] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 572.218283][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218286][T12794] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 572.218289][T12794] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.218292][T12794] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 572.218298][T12794] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 572.218299][T12794] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 572.218302][T12794] put_chars (drivers/char/virtio_console.c:1176) [ 572.218304][T12794] ? __send_to_port (drivers/char/virtio_console.c:654) [ 572.218305][T12794] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 572.218307][T12794] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 572.218309][T12794] ? pointer (lib/vsprintf.c:2577) [ 572.218313][T12794] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 572.218318][T12794] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 572.218320][T12794] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.218322][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218324][T12794] console_emit_next_record (kernel/printk/printk.c:3183) [ 572.218327][T12794] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 572.218329][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218331][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218332][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218333][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218335][T12794] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 572.218337][T12794] console_flush_one_record (kernel/printk/printk.c:3268) [ 572.218339][T12794] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 572.218342][T12794] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 572.218344][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218346][T12794] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 572.218348][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218349][T12794] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.218351][T12794] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 572.218352][T12794] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 572.218354][T12794] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 572.218356][T12794] ? vprintk_emit (kernel/printk/printk.c:2478) [ 572.218357][T12794] vprintk_emit (kernel/printk/printk.c:2479) [ 572.218359][T12794] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 572.218360][T12794] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 572.218363][T12794] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 572.218366][T12794] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 572.218368][T12794] _printk (kernel/printk/printk.c:2504) [ 572.218372][T12794] ? snapshot_read.cold (user.c:?) [ 572.218374][T12794] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 572.218376][T12794] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 572.218379][T12794] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 572.218381][T12794] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.218385][T12794] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 572.218387][T12794] ? netdev_notice (net/core/dev.c:13194) [ 572.218389][T12794] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 572.218391][T12794] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 572.218394][T12794] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.218395][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218397][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218398][T12794] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 572.218399][T12794] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 572.218401][T12794] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 572.218402][T12794] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.218404][T12794] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 572.218405][T12794] ? register_netdev (net/core/dev.c:11618) [ 572.218407][T12794] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.218409][T12794] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 572.218412][T12794] ? __kernel_text_address (kernel/extable.c:79) [ 572.218415][T12794] ? write_profile (profile.c:?) [ 572.218418][T12794] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 572.218422][T12794] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.218424][T12794] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 572.218425][T12794] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 572.218426][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218428][T12794] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 572.218431][T12794] ? kasan_save_stack (mm/kasan/common.c:58) [ 572.218433][T12794] ? kasan_save_stack (mm/kasan/common.c:57) [ 572.218434][T12794] ? kasan_save_track (mm/kasan/common.c:78) [ 572.218435][T12794] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 572.218436][T12794] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 572.218438][T12794] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 572.218439][T12794] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 572.218440][T12794] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 572.218443][T12794] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 572.218445][T12794] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 572.218446][T12794] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 572.218449][T12794] ? ____sys_sendmsg (net/socket.c:2713) [ 572.218451][T12794] ? ___sys_sendmsg (net/socket.c:2767) [ 572.218452][T12794] ? __sys_sendmsg (net/socket.c:2799) [ 572.218454][T12794] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 572.218456][T12794] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.218459][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218460][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218462][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218463][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218464][T12794] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 572.218466][T12794] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 572.218467][T12794] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 572.218468][T12794] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 572.218470][T12794] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 572.218471][T12794] ? nla_get_range_signed (lib/nlattr.c:270) [ 572.218475][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218476][T12794] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 572.218478][T12794] rtnl_newlink (net/core/rtnetlink.c:4215) [ 572.218480][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218482][T12794] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 572.218483][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218485][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218486][T12794] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 572.218489][T12794] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 572.218490][T12794] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 572.218492][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218493][T12794] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 572.218496][T12794] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 572.218499][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218500][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218502][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218503][T12794] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 572.218505][T12794] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 572.218506][T12794] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 572.218508][T12794] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 572.218510][T12794] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 572.218512][T12794] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 572.218514][T12794] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 572.218515][T12794] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.218517][T12794] ? netlink_ack (./include/linux/skbuff.h:2718) [ 572.218519][T12794] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 572.218522][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218523][T12794] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.218525][T12794] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 572.218528][T12794] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 572.218529][T12794] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.218531][T12794] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 572.218534][T12794] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 572.218535][T12794] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 572.218537][T12794] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.218539][T12794] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 572.218542][T12794] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 572.218544][T12794] ____sys_sendmsg (net/socket.c:2713) [ 572.218546][T12794] ? copy_msghdr_from_user (net/socket.c:2650) [ 572.218548][T12794] ? sock_write_iter (net/socket.c:1269) [ 572.218549][T12794] ? move_addr_to_kernel (net/socket.c:258) [ 572.218551][T12794] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 572.218554][T12794] ___sys_sendmsg (net/socket.c:2767) [ 572.218556][T12794] ? copy_msghdr_from_user (net/socket.c:2619) [ 572.218561][T12794] __sys_sendmsg (net/socket.c:2799) [ 572.218563][T12794] ? __sys_sendmsg_sock (net/socket.c:2780) [ 572.218566][T12794] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.218567][T12794] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 572.218569][T12794] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 572.218571][T12794] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.218573][T12794] RIP: 0033:0x7f152a01d54e [ 572.218575][T12794] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 572.218577][T12794] RSP: 002b:00007ffda80e4650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 572.218580][T12794] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f152a01d54e [ 572.218582][T12794] RDX: 0000000000000000 RSI: 00007ffda80e4700 RDI: 0000000000000005 [ 572.218583][T12794] RBP: 00007ffda80e4660 R08: 0000000000000000 R09: 0000000000000000 [ 572.218584][T12794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169b3 [ 572.218585][T12794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda80e4dc0 | [ 573.334235][T12845] softirqs last disabled at (0): 0x0 | [ 573.334236][T12845] Preemption disabled at: | [ 573.334237][T12845] vprintk_emit (kernel/printk/printk.c:2471) | [ 573.334248][T12845] Tainted: [W]=WARN [ 573.334249][T12845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 573.334251][T12845] Call Trace: [ 573.334252][T12845] [ 573.334253][T12845] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 573.334259][T12845] ? vprintk_emit (kernel/printk/printk.c:2471) [ 573.334260][T12845] __might_resched.cold (kernel/sched/core.c:9234) [ 573.334264][T12845] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 573.334266][T12845] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 573.334270][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334272][T12845] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 573.334275][T12845] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.334278][T12845] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.334283][T12845] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 573.334285][T12845] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.334287][T12845] put_chars (drivers/char/virtio_console.c:1176) [ 573.334289][T12845] ? __send_to_port (drivers/char/virtio_console.c:654) [ 573.334291][T12845] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 573.334293][T12845] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 573.334298][T12845] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 573.334300][T12845] ? vsnprintf (lib/vsprintf.c:2900) [ 573.334303][T12845] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.334305][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334306][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334308][T12845] console_emit_next_record (kernel/printk/printk.c:3183) [ 573.334311][T12845] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 573.334313][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334314][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334315][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334316][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334318][T12845] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 573.334320][T12845] console_flush_one_record (kernel/printk/printk.c:3268) [ 573.334323][T12845] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 573.334325][T12845] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 573.334327][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334329][T12845] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 573.334331][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334332][T12845] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.334333][T12845] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 573.334335][T12845] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 573.334336][T12845] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 573.334338][T12845] ? vprintk_emit (kernel/printk/printk.c:2478) [ 573.334340][T12845] vprintk_emit (kernel/printk/printk.c:2479) [ 573.334341][T12845] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 573.334343][T12845] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.334344][T12845] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.334347][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334349][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334350][T12845] _printk (kernel/printk/printk.c:2504) [ 573.334353][T12845] ? snapshot_read.cold (user.c:?) [ 573.334355][T12845] ? br_multicast_flood (??:?) [ 573.334359][T12845] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 573.334361][T12845] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 573.334363][T12845] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.334364][T12845] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 573.334367][T12845] br_init_port (net/bridge/br_stp_if.c:39) [ 573.334369][T12845] new_nbp (net/bridge/br_if.c:449) [ 573.334371][T12845] br_add_if (net/bridge/br_if.c:592) [ 573.334373][T12845] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 573.334377][T12845] do_set_master (net/core/rtnetlink.c:3071) [ 573.334379][T12845] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 573.334381][T12845] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 573.334382][T12845] ? __dev_get_by_name (net/core/dev.c:905) [ 573.334384][T12845] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 573.334388][T12845] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 573.334391][T12845] rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.334393][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334394][T12845] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.334395][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334397][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334398][T12845] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 573.334401][T12845] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 573.334402][T12845] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 573.334405][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334406][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334407][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334409][T12845] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.334410][T12845] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 573.334412][T12845] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.334413][T12845] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.334414][T12845] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 573.334418][T12845] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 573.334421][T12845] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.334423][T12845] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.334424][T12845] ? netlink_ack (./include/linux/skbuff.h:2718) [ 573.334426][T12845] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 573.334429][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334430][T12845] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.334432][T12845] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 573.334434][T12845] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 573.334436][T12845] ? next_uptodate_folio (mm/filemap.c:3747) [ 573.334439][T12845] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 573.334441][T12845] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 573.334443][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334445][T12845] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 573.334448][T12845] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 573.334451][T12845] ____sys_sendmsg (net/socket.c:2713) [ 573.334453][T12845] ? copy_msghdr_from_user (net/socket.c:2650) [ 573.334454][T12845] ? sock_write_iter (net/socket.c:1269) [ 573.334456][T12845] ? move_addr_to_kernel (net/socket.c:258) [ 573.334458][T12845] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 573.334461][T12845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.334463][T12845] ___sys_sendmsg (net/socket.c:2767) [ 573.334464][T12845] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 573.334466][T12845] ? copy_msghdr_from_user (net/socket.c:2619) [ 573.334468][T12845] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 573.334472][T12845] __sys_sendmsg (net/socket.c:2799) [ 573.334474][T12845] ? __sys_sendmsg_sock (net/socket.c:2780) [ 573.334477][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334478][T12845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.334479][T12845] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 573.334482][T12845] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 573.334484][T12845] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 573.334486][T12845] RIP: 0033:0x7f5635c6354e [ 573.334488][T12845] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 573.334490][T12845] RSP: 002b:00007ffd8fdac7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 573.334493][T12845] RAX: ffffffffffffffda RBX: 00007ffd8fdacfb8 RCX: 00007f5635c6354e [ 573.334495][T12845] RDX: 0000000000000000 RSI: 00007ffd8fdac8a0 RDI: 0000000000000005 [ 573.334496][T12845] RBP: 00007ffd8fdac800 R08: 0000000000000000 R09: 0000000000000000 [ 573.334497][T12845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169b4 [ 573.334498][T12845] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8fdacf70 | [ 579.365624][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 579.365626][ T12] Preemption disabled at: | [ 579.365627][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 579.365637][ T12] Tainted: [W]=WARN [ 579.365638][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 579.365640][ T12] Workqueue: netns cleanup_net [ 579.365646][ T12] Call Trace: [ 579.365647][ T12] [ 579.365649][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 579.365655][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 579.365657][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 579.365660][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 579.365662][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 579.365666][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365668][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 579.365672][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.365674][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 579.365679][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 579.365681][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 579.365684][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 579.365685][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 579.365687][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 579.365690][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 579.365695][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 579.365696][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 579.365699][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.365700][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365701][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365703][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 579.365706][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 579.365708][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365709][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365710][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365711][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.365714][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 579.365716][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 579.365718][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 579.365721][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 579.365723][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.365724][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 579.365726][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365727][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 579.365729][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 579.365730][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 579.365732][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 579.365734][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 579.365735][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 579.365737][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 579.365738][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 579.365740][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 579.365743][ T12] ? kthread (kernel/kthread.c:436) [ 579.365745][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 579.365748][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 579.365750][ T12] _printk (kernel/printk/printk.c:2504) [ 579.365753][ T12] ? snapshot_read.cold (user.c:?) [ 579.365756][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 579.365759][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 579.365761][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 579.365763][ T12] ? netdev_notice (net/core/dev.c:13194) [ 579.365766][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365767][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 579.365768][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 579.365771][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 579.365773][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 579.365774][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 579.365777][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 579.365779][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 579.365783][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 579.365785][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 579.365787][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 579.365790][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 579.365792][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 579.365795][ T12] cleanup_net (net/core/net_namespace.c:706) [ 579.365796][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 579.365798][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.365800][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.365802][ T12] process_one_work (kernel/workqueue.c:3387) [ 579.365805][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 579.365807][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.365810][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 579.365813][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 579.365815][ T12] kthread (kernel/kthread.c:436) [ 579.365816][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 579.365818][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 579.365820][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 579.365822][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 579.365824][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 579.365827][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 579.365828][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 580.603162][T12980] softirqs last disabled at (0): 0x0 | [ 580.603164][T12980] Preemption disabled at: | [ 580.603165][T12980] vprintk_emit (kernel/printk/printk.c:2471) | [ 580.603176][T12980] Tainted: [W]=WARN [ 580.603177][T12980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 580.603179][T12980] Call Trace: [ 580.603180][T12980] [ 580.603182][T12980] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 580.603188][T12980] ? vprintk_emit (kernel/printk/printk.c:2471) [ 580.603189][T12980] __might_resched.cold (kernel/sched/core.c:9234) [ 580.603193][T12980] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 580.603195][T12980] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 580.603199][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603201][T12980] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 580.603204][T12980] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 580.603208][T12980] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 580.603213][T12980] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 580.603215][T12980] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 580.603217][T12980] put_chars (drivers/char/virtio_console.c:1176) [ 580.603219][T12980] ? __send_to_port (drivers/char/virtio_console.c:654) [ 580.603221][T12980] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 580.603224][T12980] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 580.603228][T12980] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 580.603230][T12980] ? vsnprintf (lib/vsprintf.c:2900) [ 580.603233][T12980] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 580.603235][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603236][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603238][T12980] console_emit_next_record (kernel/printk/printk.c:3183) [ 580.603241][T12980] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 580.603247][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603248][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603249][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603250][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603253][T12980] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 580.603255][T12980] console_flush_one_record (kernel/printk/printk.c:3268) [ 580.603257][T12980] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 580.603261][T12980] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 580.603262][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603264][T12980] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 580.603266][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603267][T12980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 580.603269][T12980] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 580.603270][T12980] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 580.603272][T12980] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 580.603274][T12980] ? vprintk_emit (kernel/printk/printk.c:2478) [ 580.603275][T12980] vprintk_emit (kernel/printk/printk.c:2479) [ 580.603277][T12980] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 580.603278][T12980] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 580.603280][T12980] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 580.603283][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603285][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603286][T12980] _printk (kernel/printk/printk.c:2504) [ 580.603289][T12980] ? snapshot_read.cold (user.c:?) [ 580.603292][T12980] ? br_multicast_flood (??:?) [ 580.603295][T12980] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 580.603298][T12980] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 580.603299][T12980] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 580.603301][T12980] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 580.603304][T12980] br_init_port (net/bridge/br_stp_if.c:39) [ 580.603306][T12980] new_nbp (net/bridge/br_if.c:449) [ 580.603308][T12980] br_add_if (net/bridge/br_if.c:592) [ 580.603310][T12980] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 580.603314][T12980] do_set_master (net/core/rtnetlink.c:3071) [ 580.603316][T12980] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 580.603318][T12980] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 580.603319][T12980] ? __dev_get_by_name (net/core/dev.c:905) [ 580.603321][T12980] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 580.603325][T12980] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 580.603328][T12980] rtnl_newlink (net/core/rtnetlink.c:4215) [ 580.603330][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603331][T12980] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 580.603333][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603334][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603336][T12980] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 580.603338][T12980] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 580.603340][T12980] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 580.603343][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603344][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603346][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603347][T12980] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 580.603348][T12980] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 580.603350][T12980] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 580.603352][T12980] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 580.603353][T12980] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 580.603357][T12980] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 580.603360][T12980] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 580.603362][T12980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 580.603364][T12980] ? netlink_ack (./include/linux/skbuff.h:2718) [ 580.603365][T12980] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 580.603368][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603369][T12980] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 580.603372][T12980] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 580.603374][T12980] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 580.603376][T12980] ? next_uptodate_folio (mm/filemap.c:3747) [ 580.603379][T12980] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 580.603382][T12980] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 580.603384][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603385][T12980] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 580.603389][T12980] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 580.603392][T12980] ____sys_sendmsg (net/socket.c:2713) [ 580.603394][T12980] ? copy_msghdr_from_user (net/socket.c:2650) [ 580.603395][T12980] ? sock_write_iter (net/socket.c:1269) [ 580.603397][T12980] ? move_addr_to_kernel (net/socket.c:258) [ 580.603399][T12980] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 580.603402][T12980] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 580.603404][T12980] ___sys_sendmsg (net/socket.c:2767) [ 580.603406][T12980] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 580.603407][T12980] ? copy_msghdr_from_user (net/socket.c:2619) [ 580.603409][T12980] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 580.603414][T12980] __sys_sendmsg (net/socket.c:2799) [ 580.603416][T12980] ? __sys_sendmsg_sock (net/socket.c:2780) [ 580.603419][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603420][T12980] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 580.603421][T12980] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 580.603424][T12980] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 580.603426][T12980] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 580.603428][T12980] RIP: 0033:0x7ff3115d254e [ 580.603430][T12980] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 580.603432][T12980] RSP: 002b:00007ffc1b6b2840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 580.603436][T12980] RAX: ffffffffffffffda RBX: 00007ffc1b6b3008 RCX: 00007ff3115d254e [ 580.603438][T12980] RDX: 0000000000000000 RSI: 00007ffc1b6b28f0 RDI: 0000000000000005 [ 580.603438][T12980] RBP: 00007ffc1b6b2850 R08: 0000000000000000 R09: 0000000000000000 [ 580.603439][T12980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169bc [ 580.603440][T12980] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1b6b2fc0 | [ 582.008034][T13049] softirqs last disabled at (0): 0x0 | [ 582.008036][T13049] Preemption disabled at: | [ 582.008036][T13049] vprintk_emit (kernel/printk/printk.c:2471) | [ 582.008047][T13049] Tainted: [W]=WARN [ 582.008047][T13049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 582.008049][T13049] Call Trace: [ 582.008051][T13049] [ 582.008052][T13049] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 582.008058][T13049] ? vprintk_emit (kernel/printk/printk.c:2471) [ 582.008060][T13049] __might_resched.cold (kernel/sched/core.c:9234) [ 582.008063][T13049] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 582.008067][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008069][T13049] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 582.008072][T13049] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.008075][T13049] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 582.008080][T13049] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 582.008082][T13049] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 582.008085][T13049] put_chars (drivers/char/virtio_console.c:1176) [ 582.008086][T13049] ? __send_to_port (drivers/char/virtio_console.c:654) [ 582.008088][T13049] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 582.008090][T13049] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 582.008092][T13049] ? pointer (lib/vsprintf.c:2577) [ 582.008095][T13049] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 582.008100][T13049] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 582.008102][T13049] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.008104][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008106][T13049] console_emit_next_record (kernel/printk/printk.c:3183) [ 582.008109][T13049] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 582.008111][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008112][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008113][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008114][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008116][T13049] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 582.008118][T13049] console_flush_one_record (kernel/printk/printk.c:3268) [ 582.008121][T13049] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 582.008123][T13049] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 582.008125][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008127][T13049] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 582.008129][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008130][T13049] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.008132][T13049] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 582.008133][T13049] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 582.008135][T13049] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 582.008137][T13049] ? vprintk_emit (kernel/printk/printk.c:2478) [ 582.008138][T13049] vprintk_emit (kernel/printk/printk.c:2479) [ 582.008140][T13049] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 582.008141][T13049] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 582.008143][T13049] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 582.008146][T13049] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 582.008148][T13049] _printk (kernel/printk/printk.c:2504) [ 582.008151][T13049] ? snapshot_read.cold (user.c:?) [ 582.008153][T13049] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 582.008155][T13049] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 582.008159][T13049] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 582.008161][T13049] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.008164][T13049] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 582.008166][T13049] ? netdev_notice (net/core/dev.c:13194) [ 582.008168][T13049] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 582.008170][T13049] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 582.008173][T13049] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.008174][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008175][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008176][T13049] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 582.008178][T13049] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 582.008179][T13049] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 582.008181][T13049] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.008182][T13049] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 582.008184][T13049] ? register_netdev (net/core/dev.c:11618) [ 582.008185][T13049] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.008187][T13049] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 582.008189][T13049] ? __kernel_text_address (kernel/extable.c:79) [ 582.008192][T13049] ? write_profile (profile.c:?) [ 582.008195][T13049] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 582.008198][T13049] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.008200][T13049] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 582.008202][T13049] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 582.008203][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008204][T13049] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 582.008207][T13049] ? kasan_save_stack (mm/kasan/common.c:58) [ 582.008209][T13049] ? kasan_save_stack (mm/kasan/common.c:57) [ 582.008210][T13049] ? kasan_save_track (mm/kasan/common.c:78) [ 582.008211][T13049] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 582.008212][T13049] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 582.008214][T13049] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 582.008215][T13049] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 582.008216][T13049] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 582.008219][T13049] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 582.008221][T13049] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 582.008222][T13049] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 582.008225][T13049] ? ____sys_sendmsg (net/socket.c:2713) [ 582.008226][T13049] ? ___sys_sendmsg (net/socket.c:2767) [ 582.008227][T13049] ? __sys_sendmsg (net/socket.c:2799) [ 582.008229][T13049] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 582.008231][T13049] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.008234][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008235][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008237][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008238][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008239][T13049] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 582.008240][T13049] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 582.008241][T13049] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 582.008242][T13049] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 582.008244][T13049] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 582.008249][T13049] ? nla_get_range_signed (lib/nlattr.c:270) [ 582.008253][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008254][T13049] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 582.008256][T13049] rtnl_newlink (net/core/rtnetlink.c:4215) [ 582.008258][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008259][T13049] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 582.008261][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008262][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008264][T13049] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 582.008266][T13049] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 582.008267][T13049] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 582.008269][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008270][T13049] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 582.008273][T13049] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 582.008276][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008277][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008278][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008279][T13049] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 582.008281][T13049] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 582.008283][T13049] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 582.008284][T13049] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 582.008286][T13049] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 582.008288][T13049] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 582.008290][T13049] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 582.008291][T13049] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.008293][T13049] ? netlink_ack (./include/linux/skbuff.h:2718) [ 582.008295][T13049] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 582.008298][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008299][T13049] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.008301][T13049] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 582.008303][T13049] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 582.008305][T13049] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.008307][T13049] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 582.008309][T13049] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 582.008311][T13049] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 582.008312][T13049] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.008314][T13049] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 582.008317][T13049] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 582.008319][T13049] ____sys_sendmsg (net/socket.c:2713) [ 582.008320][T13049] ? copy_msghdr_from_user (net/socket.c:2650) [ 582.008322][T13049] ? sock_write_iter (net/socket.c:1269) [ 582.008324][T13049] ? move_addr_to_kernel (net/socket.c:258) [ 582.008325][T13049] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 582.008328][T13049] ___sys_sendmsg (net/socket.c:2767) [ 582.008329][T13049] ? copy_msghdr_from_user (net/socket.c:2619) [ 582.008334][T13049] __sys_sendmsg (net/socket.c:2799) [ 582.008336][T13049] ? __sys_sendmsg_sock (net/socket.c:2780) [ 582.008339][T13049] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.008340][T13049] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 582.008342][T13049] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 582.008344][T13049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.008346][T13049] RIP: 0033:0x7f0e2576c54e [ 582.008348][T13049] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 582.008350][T13049] RSP: 002b:00007ffd703aa0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 582.008353][T13049] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0e2576c54e [ 582.008354][T13049] RDX: 0000000000000000 RSI: 00007ffd703aa190 RDI: 0000000000000005 [ 582.008355][T13049] RBP: 00007ffd703aa0f0 R08: 0000000000000000 R09: 0000000000000000 [ 582.008356][T13049] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169bd [ 582.008357][T13049] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd703aa850 | [ 583.101722][T13099] softirqs last disabled at (0): 0x0 | [ 583.101724][T13099] Preemption disabled at: | [ 583.101724][T13099] vprintk_emit (kernel/printk/printk.c:2471) | [ 583.101735][T13099] Tainted: [W]=WARN [ 583.101736][T13099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 583.101738][T13099] Call Trace: [ 583.101739][T13099] [ 583.101741][T13099] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 583.101746][T13099] ? vprintk_emit (kernel/printk/printk.c:2471) [ 583.101747][T13099] __might_resched.cold (kernel/sched/core.c:9234) [ 583.101751][T13099] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 583.101753][T13099] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 583.101757][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101759][T13099] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 583.101762][T13099] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.101765][T13099] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 583.101770][T13099] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 583.101772][T13099] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 583.101775][T13099] put_chars (drivers/char/virtio_console.c:1176) [ 583.101776][T13099] ? __send_to_port (drivers/char/virtio_console.c:654) [ 583.101778][T13099] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 583.101781][T13099] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 583.101785][T13099] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 583.101787][T13099] ? vsnprintf (lib/vsprintf.c:2900) [ 583.101790][T13099] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.101792][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101793][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101795][T13099] console_emit_next_record (kernel/printk/printk.c:3183) [ 583.101798][T13099] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 583.101800][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101801][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101802][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101803][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101806][T13099] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 583.101807][T13099] console_flush_one_record (kernel/printk/printk.c:3268) [ 583.101810][T13099] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 583.101813][T13099] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 583.101814][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101816][T13099] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 583.101818][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101819][T13099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.101820][T13099] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 583.101822][T13099] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 583.101823][T13099] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 583.101825][T13099] ? vprintk_emit (kernel/printk/printk.c:2478) [ 583.101827][T13099] vprintk_emit (kernel/printk/printk.c:2479) [ 583.101829][T13099] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 583.101830][T13099] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.101832][T13099] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 583.101835][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101836][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101840][T13099] _printk (kernel/printk/printk.c:2504) [ 583.101843][T13099] ? snapshot_read.cold (user.c:?) [ 583.101845][T13099] ? br_multicast_flood (??:?) [ 583.101849][T13099] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 583.101852][T13099] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 583.101853][T13099] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 583.101855][T13099] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 583.101858][T13099] br_init_port (net/bridge/br_stp_if.c:39) [ 583.101859][T13099] new_nbp (net/bridge/br_if.c:449) [ 583.101862][T13099] br_add_if (net/bridge/br_if.c:592) [ 583.101863][T13099] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 583.101868][T13099] do_set_master (net/core/rtnetlink.c:3071) [ 583.101869][T13099] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 583.101871][T13099] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 583.101872][T13099] ? __dev_get_by_name (net/core/dev.c:905) [ 583.101874][T13099] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 583.101878][T13099] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 583.101881][T13099] rtnl_newlink (net/core/rtnetlink.c:4215) [ 583.101883][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101884][T13099] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 583.101886][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101887][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101888][T13099] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 583.101891][T13099] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 583.101893][T13099] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 583.101895][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101897][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101898][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101899][T13099] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 583.101901][T13099] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 583.101902][T13099] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 583.101904][T13099] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 583.101905][T13099] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 583.101909][T13099] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 583.101912][T13099] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 583.101914][T13099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.101915][T13099] ? netlink_ack (./include/linux/skbuff.h:2718) [ 583.101917][T13099] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 583.101920][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101921][T13099] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.101923][T13099] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 583.101925][T13099] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 583.101927][T13099] ? next_uptodate_folio (mm/filemap.c:3747) [ 583.101930][T13099] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 583.101932][T13099] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 583.101934][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101936][T13099] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 583.101939][T13099] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 583.101942][T13099] ____sys_sendmsg (net/socket.c:2713) [ 583.101944][T13099] ? copy_msghdr_from_user (net/socket.c:2650) [ 583.101946][T13099] ? sock_write_iter (net/socket.c:1269) [ 583.101947][T13099] ? move_addr_to_kernel (net/socket.c:258) [ 583.101949][T13099] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 583.101952][T13099] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.101954][T13099] ___sys_sendmsg (net/socket.c:2767) [ 583.101955][T13099] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 583.101957][T13099] ? copy_msghdr_from_user (net/socket.c:2619) [ 583.101959][T13099] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 583.101963][T13099] __sys_sendmsg (net/socket.c:2799) [ 583.101966][T13099] ? __sys_sendmsg_sock (net/socket.c:2780) [ 583.101968][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101970][T13099] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.101971][T13099] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 583.101973][T13099] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 583.101975][T13099] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 583.101977][T13099] RIP: 0033:0x7f39300f154e [ 583.101979][T13099] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 583.101981][T13099] RSP: 002b:00007ffd9fc9df20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 583.101985][T13099] RAX: ffffffffffffffda RBX: 00007ffd9fc9e6e8 RCX: 00007f39300f154e [ 583.101986][T13099] RDX: 0000000000000000 RSI: 00007ffd9fc9dfd0 RDI: 0000000000000005 [ 583.101987][T13099] RBP: 00007ffd9fc9df30 R08: 0000000000000000 R09: 0000000000000000 [ 583.101988][T13099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169be [ 583.101989][T13099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9fc9e6a0 | [ 589.129649][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 589.129651][ T12] Preemption disabled at: | [ 589.129652][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 589.129662][ T12] Tainted: [W]=WARN [ 589.129664][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 589.129665][ T12] Workqueue: netns cleanup_net [ 589.129671][ T12] Call Trace: [ 589.129673][ T12] [ 589.129674][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 589.129680][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 589.129681][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 589.129685][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 589.129687][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 589.129690][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129693][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 589.129695][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.129699][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 589.129703][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 589.129705][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 589.129708][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 589.129709][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 589.129711][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 589.129714][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 589.129718][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 589.129720][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 589.129722][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.129724][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129725][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129727][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 589.129729][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 589.129731][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129732][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129733][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129734][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.129737][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 589.129739][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 589.129741][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 589.129744][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 589.129745][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.129747][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 589.129749][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129750][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 589.129751][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 589.129753][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 589.129754][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 589.129756][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 589.129758][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 589.129760][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 589.129761][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 589.129762][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 589.129765][ T12] ? kthread (kernel/kthread.c:436) [ 589.129767][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 589.129770][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 589.129772][ T12] _printk (kernel/printk/printk.c:2504) [ 589.129776][ T12] ? snapshot_read.cold (user.c:?) [ 589.129778][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 589.129781][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 589.129783][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 589.129786][ T12] ? netdev_notice (net/core/dev.c:13194) [ 589.129788][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129789][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 589.129790][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 589.129793][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 589.129795][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 589.129796][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 589.129798][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 589.129801][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 589.129805][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 589.129807][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 589.129809][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 589.129812][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 589.129813][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 589.129816][ T12] cleanup_net (net/core/net_namespace.c:706) [ 589.129818][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 589.129820][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.129822][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.129823][ T12] process_one_work (kernel/workqueue.c:3387) [ 589.129826][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 589.129829][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.129831][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 589.129834][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 589.129836][ T12] kthread (kernel/kthread.c:436) [ 589.129841][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 589.129843][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 589.129845][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 589.129847][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 589.129849][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 589.129852][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 589.129854][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 590.315220][T13233] softirqs last disabled at (0): 0x0 | [ 590.315222][T13233] Preemption disabled at: | [ 590.315222][T13233] vprintk_emit (kernel/printk/printk.c:2471) | [ 590.315232][T13233] Tainted: [W]=WARN [ 590.315234][T13233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 590.315235][T13233] Call Trace: [ 590.315237][T13233] [ 590.315238][T13233] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 590.315244][T13233] ? vprintk_emit (kernel/printk/printk.c:2471) [ 590.315245][T13233] __might_resched.cold (kernel/sched/core.c:9234) [ 590.315249][T13233] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 590.315251][T13233] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 590.315254][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315257][T13233] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 590.315260][T13233] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.315263][T13233] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 590.315273][T13233] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 590.315275][T13233] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 590.315277][T13233] put_chars (drivers/char/virtio_console.c:1176) [ 590.315279][T13233] ? __send_to_port (drivers/char/virtio_console.c:654) [ 590.315280][T13233] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 590.315283][T13233] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 590.315288][T13233] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 590.315290][T13233] ? vsnprintf (lib/vsprintf.c:2900) [ 590.315293][T13233] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.315295][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315296][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315297][T13233] console_emit_next_record (kernel/printk/printk.c:3183) [ 590.315300][T13233] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 590.315302][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315303][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315304][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315306][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315308][T13233] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 590.315310][T13233] console_flush_one_record (kernel/printk/printk.c:3268) [ 590.315312][T13233] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 590.315315][T13233] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 590.315317][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315319][T13233] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 590.315321][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315321][T13233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.315323][T13233] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 590.315324][T13233] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 590.315326][T13233] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 590.315328][T13233] ? vprintk_emit (kernel/printk/printk.c:2478) [ 590.315329][T13233] vprintk_emit (kernel/printk/printk.c:2479) [ 590.315331][T13233] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 590.315332][T13233] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.315334][T13233] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 590.315337][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315338][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315340][T13233] _printk (kernel/printk/printk.c:2504) [ 590.315343][T13233] ? snapshot_read.cold (user.c:?) [ 590.315345][T13233] ? br_multicast_flood (??:?) [ 590.315348][T13233] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 590.315351][T13233] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 590.315352][T13233] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 590.315354][T13233] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 590.315357][T13233] br_init_port (net/bridge/br_stp_if.c:39) [ 590.315358][T13233] new_nbp (net/bridge/br_if.c:449) [ 590.315361][T13233] br_add_if (net/bridge/br_if.c:592) [ 590.315362][T13233] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 590.315366][T13233] do_set_master (net/core/rtnetlink.c:3071) [ 590.315368][T13233] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 590.315370][T13233] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 590.315371][T13233] ? __dev_get_by_name (net/core/dev.c:905) [ 590.315373][T13233] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 590.315377][T13233] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 590.315380][T13233] rtnl_newlink (net/core/rtnetlink.c:4215) [ 590.315382][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315383][T13233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 590.315384][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315386][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315387][T13233] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 590.315390][T13233] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 590.315391][T13233] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 590.315394][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315395][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315396][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315398][T13233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 590.315399][T13233] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 590.315401][T13233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 590.315402][T13233] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 590.315403][T13233] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 590.315407][T13233] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 590.315410][T13233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 590.315411][T13233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.315413][T13233] ? netlink_ack (./include/linux/skbuff.h:2718) [ 590.315414][T13233] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 590.315417][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315419][T13233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.315421][T13233] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 590.315423][T13233] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 590.315425][T13233] ? next_uptodate_folio (mm/filemap.c:3747) [ 590.315428][T13233] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 590.315430][T13233] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 590.315432][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315434][T13233] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 590.315437][T13233] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 590.315440][T13233] ____sys_sendmsg (net/socket.c:2713) [ 590.315442][T13233] ? copy_msghdr_from_user (net/socket.c:2650) [ 590.315443][T13233] ? sock_write_iter (net/socket.c:1269) [ 590.315445][T13233] ? move_addr_to_kernel (net/socket.c:258) [ 590.315447][T13233] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 590.315449][T13233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.315451][T13233] ___sys_sendmsg (net/socket.c:2767) [ 590.315453][T13233] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 590.315455][T13233] ? copy_msghdr_from_user (net/socket.c:2619) [ 590.315456][T13233] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 590.315461][T13233] __sys_sendmsg (net/socket.c:2799) [ 590.315463][T13233] ? __sys_sendmsg_sock (net/socket.c:2780) [ 590.315466][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315467][T13233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.315469][T13233] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 590.315471][T13233] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 590.315473][T13233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 590.315475][T13233] RIP: 0033:0x7f46cc72b54e [ 590.315477][T13233] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 590.315479][T13233] RSP: 002b:00007fff63fae960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 590.315483][T13233] RAX: ffffffffffffffda RBX: 00007fff63faf128 RCX: 00007f46cc72b54e [ 590.315484][T13233] RDX: 0000000000000000 RSI: 00007fff63faea10 RDI: 0000000000000005 [ 590.315485][T13233] RBP: 00007fff63fae970 R08: 0000000000000000 R09: 0000000000000000 [ 590.315486][T13233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169c5 [ 590.315487][T13233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff63faf0e0 | [ 591.616634][T13301] softirqs last disabled at (0): 0x0 | [ 591.616636][T13301] Preemption disabled at: | [ 591.616637][T13301] vprintk_emit (kernel/printk/printk.c:2471) | [ 591.616647][T13301] Tainted: [W]=WARN [ 591.616648][T13301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.616649][T13301] Call Trace: [ 591.616651][T13301] [ 591.616652][T13301] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 591.616658][T13301] ? vprintk_emit (kernel/printk/printk.c:2471) [ 591.616660][T13301] __might_resched.cold (kernel/sched/core.c:9234) [ 591.616663][T13301] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 591.616666][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616669][T13301] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 591.616671][T13301] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.616675][T13301] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 591.616679][T13301] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 591.616681][T13301] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 591.616684][T13301] put_chars (drivers/char/virtio_console.c:1176) [ 591.616685][T13301] ? __send_to_port (drivers/char/virtio_console.c:654) [ 591.616687][T13301] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 591.616689][T13301] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 591.616691][T13301] ? pointer (lib/vsprintf.c:2577) [ 591.616694][T13301] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 591.616699][T13301] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 591.616701][T13301] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.616703][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616705][T13301] console_emit_next_record (kernel/printk/printk.c:3183) [ 591.616708][T13301] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 591.616710][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616711][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616712][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616713][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616715][T13301] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 591.616717][T13301] console_flush_one_record (kernel/printk/printk.c:3268) [ 591.616719][T13301] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 591.616722][T13301] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 591.616724][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616725][T13301] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 591.616727][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616728][T13301] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.616730][T13301] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 591.616731][T13301] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 591.616733][T13301] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 591.616735][T13301] ? vprintk_emit (kernel/printk/printk.c:2478) [ 591.616736][T13301] vprintk_emit (kernel/printk/printk.c:2479) [ 591.616738][T13301] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 591.616739][T13301] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 591.616742][T13301] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 591.616745][T13301] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 591.616747][T13301] _printk (kernel/printk/printk.c:2504) [ 591.616750][T13301] ? snapshot_read.cold (user.c:?) [ 591.616752][T13301] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 591.616755][T13301] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 591.616758][T13301] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 591.616759][T13301] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.616762][T13301] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 591.616765][T13301] ? netdev_notice (net/core/dev.c:13194) [ 591.616767][T13301] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 591.616768][T13301] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 591.616771][T13301] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.616773][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616774][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616775][T13301] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 591.616776][T13301] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 591.616778][T13301] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 591.616779][T13301] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.616781][T13301] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 591.616782][T13301] ? register_netdev (net/core/dev.c:11618) [ 591.616784][T13301] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.616786][T13301] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 591.616788][T13301] ? __kernel_text_address (kernel/extable.c:79) [ 591.616791][T13301] ? write_profile (profile.c:?) [ 591.616794][T13301] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 591.616798][T13301] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.616800][T13301] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 591.616801][T13301] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 591.616802][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616803][T13301] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 591.616807][T13301] ? kasan_save_stack (mm/kasan/common.c:58) [ 591.616809][T13301] ? kasan_save_stack (mm/kasan/common.c:57) [ 591.616810][T13301] ? kasan_save_track (mm/kasan/common.c:78) [ 591.616811][T13301] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 591.616812][T13301] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 591.616813][T13301] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 591.616814][T13301] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 591.616816][T13301] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 591.616819][T13301] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 591.616820][T13301] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 591.616822][T13301] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 591.616824][T13301] ? ____sys_sendmsg (net/socket.c:2713) [ 591.616826][T13301] ? ___sys_sendmsg (net/socket.c:2767) [ 591.616827][T13301] ? __sys_sendmsg (net/socket.c:2799) [ 591.616829][T13301] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 591.616831][T13301] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.616834][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616835][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616836][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616840][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616841][T13301] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 591.616843][T13301] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 591.616844][T13301] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 591.616846][T13301] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 591.616848][T13301] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 591.616849][T13301] ? nla_get_range_signed (lib/nlattr.c:270) [ 591.616852][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616853][T13301] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 591.616856][T13301] rtnl_newlink (net/core/rtnetlink.c:4215) [ 591.616858][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616859][T13301] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 591.616860][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616861][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616863][T13301] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 591.616865][T13301] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 591.616866][T13301] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 591.616868][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616869][T13301] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 591.616872][T13301] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 591.616875][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616876][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616878][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616879][T13301] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 591.616880][T13301] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 591.616882][T13301] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 591.616883][T13301] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 591.616885][T13301] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 591.616887][T13301] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 591.616889][T13301] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 591.616890][T13301] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.616892][T13301] ? netlink_ack (./include/linux/skbuff.h:2718) [ 591.616893][T13301] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 591.616896][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616898][T13301] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.616900][T13301] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 591.616902][T13301] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 591.616904][T13301] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.616906][T13301] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 591.616908][T13301] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 591.616910][T13301] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 591.616911][T13301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.616913][T13301] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 591.616916][T13301] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 591.616918][T13301] ____sys_sendmsg (net/socket.c:2713) [ 591.616920][T13301] ? copy_msghdr_from_user (net/socket.c:2650) [ 591.616922][T13301] ? sock_write_iter (net/socket.c:1269) [ 591.616923][T13301] ? move_addr_to_kernel (net/socket.c:258) [ 591.616925][T13301] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 591.616927][T13301] ___sys_sendmsg (net/socket.c:2767) [ 591.616929][T13301] ? copy_msghdr_from_user (net/socket.c:2619) [ 591.616934][T13301] __sys_sendmsg (net/socket.c:2799) [ 591.616936][T13301] ? __sys_sendmsg_sock (net/socket.c:2780) [ 591.616939][T13301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.616941][T13301] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 591.616943][T13301] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 591.616945][T13301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.616946][T13301] RIP: 0033:0x7f44fc2ec54e [ 591.616948][T13301] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 591.616950][T13301] RSP: 002b:00007ffe914d2f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 591.616954][T13301] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f44fc2ec54e [ 591.616955][T13301] RDX: 0000000000000000 RSI: 00007ffe914d3010 RDI: 0000000000000005 [ 591.616956][T13301] RBP: 00007ffe914d2f70 R08: 0000000000000000 R09: 0000000000000000 [ 591.616957][T13301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169c7 [ 591.616958][T13301] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe914d36d0 | [ 592.717928][T13359] softirqs last disabled at (0): 0x0 | [ 592.717930][T13359] Preemption disabled at: | [ 592.717931][T13359] vprintk_emit (kernel/printk/printk.c:2471) | [ 592.717941][T13359] Tainted: [W]=WARN [ 592.717942][T13359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 592.717944][T13359] Call Trace: [ 592.717945][T13359] [ 592.717946][T13359] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 592.717952][T13359] ? vprintk_emit (kernel/printk/printk.c:2471) [ 592.717953][T13359] __might_resched.cold (kernel/sched/core.c:9234) [ 592.717957][T13359] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 592.717959][T13359] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 592.717963][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.717965][T13359] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 592.717968][T13359] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 592.717971][T13359] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 592.717977][T13359] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 592.717979][T13359] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 592.717981][T13359] put_chars (drivers/char/virtio_console.c:1176) [ 592.717983][T13359] ? __send_to_port (drivers/char/virtio_console.c:654) [ 592.717985][T13359] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 592.717987][T13359] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 592.717992][T13359] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 592.717993][T13359] ? vsnprintf (lib/vsprintf.c:2900) [ 592.717997][T13359] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 592.717998][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.717999][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718001][T13359] console_emit_next_record (kernel/printk/printk.c:3183) [ 592.718004][T13359] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 592.718006][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718007][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718008][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718009][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718011][T13359] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 592.718013][T13359] console_flush_one_record (kernel/printk/printk.c:3268) [ 592.718015][T13359] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 592.718018][T13359] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 592.718020][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718022][T13359] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 592.718023][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718024][T13359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 592.718026][T13359] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 592.718028][T13359] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 592.718029][T13359] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 592.718031][T13359] ? vprintk_emit (kernel/printk/printk.c:2478) [ 592.718032][T13359] vprintk_emit (kernel/printk/printk.c:2479) [ 592.718034][T13359] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 592.718035][T13359] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 592.718037][T13359] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 592.718040][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718041][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718043][T13359] _printk (kernel/printk/printk.c:2504) [ 592.718048][T13359] ? snapshot_read.cold (user.c:?) [ 592.718050][T13359] ? br_multicast_flood (??:?) [ 592.718053][T13359] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 592.718056][T13359] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 592.718057][T13359] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 592.718059][T13359] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 592.718062][T13359] br_init_port (net/bridge/br_stp_if.c:39) [ 592.718063][T13359] new_nbp (net/bridge/br_if.c:449) [ 592.718066][T13359] br_add_if (net/bridge/br_if.c:592) [ 592.718067][T13359] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 592.718072][T13359] do_set_master (net/core/rtnetlink.c:3071) [ 592.718074][T13359] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 592.718075][T13359] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 592.718077][T13359] ? __dev_get_by_name (net/core/dev.c:905) [ 592.718078][T13359] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 592.718082][T13359] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 592.718085][T13359] rtnl_newlink (net/core/rtnetlink.c:4215) [ 592.718087][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718088][T13359] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 592.718089][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718091][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718092][T13359] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 592.718095][T13359] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 592.718097][T13359] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 592.718099][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718100][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718102][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718103][T13359] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 592.718104][T13359] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 592.718106][T13359] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 592.718108][T13359] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 592.718109][T13359] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 592.718113][T13359] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 592.718116][T13359] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 592.718117][T13359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 592.718119][T13359] ? netlink_ack (./include/linux/skbuff.h:2718) [ 592.718120][T13359] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 592.718123][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718124][T13359] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 592.718126][T13359] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 592.718129][T13359] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 592.718131][T13359] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 592.718133][T13359] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 592.718136][T13359] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 592.718138][T13359] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 592.718140][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718142][T13359] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 592.718145][T13359] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 592.718148][T13359] ____sys_sendmsg (net/socket.c:2713) [ 592.718150][T13359] ? copy_msghdr_from_user (net/socket.c:2650) [ 592.718151][T13359] ? sock_write_iter (net/socket.c:1269) [ 592.718153][T13359] ? move_addr_to_kernel (net/socket.c:258) [ 592.718155][T13359] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 592.718157][T13359] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 592.718159][T13359] ___sys_sendmsg (net/socket.c:2767) [ 592.718161][T13359] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 592.718163][T13359] ? copy_msghdr_from_user (net/socket.c:2619) [ 592.718164][T13359] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 592.718169][T13359] __sys_sendmsg (net/socket.c:2799) [ 592.718171][T13359] ? __sys_sendmsg_sock (net/socket.c:2780) [ 592.718174][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718175][T13359] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 592.718176][T13359] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 592.718178][T13359] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 592.718180][T13359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 592.718182][T13359] RIP: 0033:0x7f5c1e48f54e [ 592.718184][T13359] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 592.718186][T13359] RSP: 002b:00007fff10deca00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 592.718189][T13359] RAX: ffffffffffffffda RBX: 00007fff10ded1c8 RCX: 00007f5c1e48f54e [ 592.718191][T13359] RDX: 0000000000000000 RSI: 00007fff10decab0 RDI: 0000000000000005 [ 592.718192][T13359] RBP: 00007fff10deca10 R08: 0000000000000000 R09: 0000000000000000 [ 592.718193][T13359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169c8 [ 592.718193][T13359] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff10ded180 | [ 598.746712][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 598.746714][ T12] Preemption disabled at: | [ 598.746715][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 598.746726][ T12] Tainted: [W]=WARN [ 598.746727][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 598.746729][ T12] Workqueue: netns cleanup_net [ 598.746735][ T12] Call Trace: [ 598.746737][ T12] [ 598.746738][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 598.746744][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 598.746746][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 598.746749][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 598.746751][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 598.746754][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746757][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 598.746760][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 598.746763][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 598.746768][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 598.746770][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 598.746772][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 598.746774][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 598.746776][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 598.746778][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 598.746783][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 598.746784][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 598.746787][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 598.746788][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746789][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746791][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 598.746794][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 598.746796][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746797][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746798][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746799][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 598.746802][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 598.746804][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 598.746806][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 598.746809][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 598.746811][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 598.746812][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 598.746814][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746815][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 598.746816][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 598.746818][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 598.746819][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 598.746821][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 598.746823][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 598.746825][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 598.746826][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 598.746827][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 598.746830][ T12] ? kthread (kernel/kthread.c:436) [ 598.746832][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 598.746835][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 598.746841][ T12] _printk (kernel/printk/printk.c:2504) [ 598.746844][ T12] ? snapshot_read.cold (user.c:?) [ 598.746847][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 598.746850][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 598.746852][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 598.746854][ T12] ? netdev_notice (net/core/dev.c:13194) [ 598.746857][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746858][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 598.746859][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 598.746862][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 598.746864][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 598.746865][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 598.746867][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 598.746870][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 598.746874][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 598.746876][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 598.746879][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 598.746881][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 598.746883][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 598.746885][ T12] cleanup_net (net/core/net_namespace.c:706) [ 598.746887][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 598.746889][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 598.746891][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 598.746892][ T12] process_one_work (kernel/workqueue.c:3387) [ 598.746895][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 598.746898][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 598.746900][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 598.746903][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 598.746905][ T12] kthread (kernel/kthread.c:436) [ 598.746907][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 598.746908][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 598.746910][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 598.746912][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 598.746914][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 598.746917][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 598.746919][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 599.954179][T13493] softirqs last disabled at (0): 0x0 | [ 599.954181][T13493] Preemption disabled at: | [ 599.954182][T13493] vprintk_emit (kernel/printk/printk.c:2471) | [ 599.954192][T13493] Tainted: [W]=WARN [ 599.954193][T13493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 599.954195][T13493] Call Trace: [ 599.954197][T13493] [ 599.954198][T13493] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 599.954203][T13493] ? vprintk_emit (kernel/printk/printk.c:2471) [ 599.954205][T13493] __might_resched.cold (kernel/sched/core.c:9234) [ 599.954209][T13493] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 599.954211][T13493] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 599.954214][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954217][T13493] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 599.954220][T13493] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.954223][T13493] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 599.954228][T13493] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 599.954229][T13493] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 599.954232][T13493] put_chars (drivers/char/virtio_console.c:1176) [ 599.954234][T13493] ? __send_to_port (drivers/char/virtio_console.c:654) [ 599.954235][T13493] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 599.954238][T13493] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 599.954243][T13493] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 599.954245][T13493] ? vsnprintf (lib/vsprintf.c:2900) [ 599.954248][T13493] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.954250][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954251][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954252][T13493] console_emit_next_record (kernel/printk/printk.c:3183) [ 599.954255][T13493] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 599.954257][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954258][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954259][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954260][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954263][T13493] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 599.954265][T13493] console_flush_one_record (kernel/printk/printk.c:3268) [ 599.954267][T13493] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 599.954270][T13493] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 599.954272][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954274][T13493] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 599.954275][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954276][T13493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 599.954278][T13493] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 599.954279][T13493] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 599.954281][T13493] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 599.954283][T13493] ? vprintk_emit (kernel/printk/printk.c:2478) [ 599.954284][T13493] vprintk_emit (kernel/printk/printk.c:2479) [ 599.954289][T13493] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 599.954291][T13493] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.954292][T13493] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 599.954295][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954297][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954298][T13493] _printk (kernel/printk/printk.c:2504) [ 599.954301][T13493] ? snapshot_read.cold (user.c:?) [ 599.954303][T13493] ? br_multicast_flood (??:?) [ 599.954307][T13493] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 599.954310][T13493] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 599.954311][T13493] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 599.954313][T13493] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 599.954315][T13493] br_init_port (net/bridge/br_stp_if.c:39) [ 599.954317][T13493] new_nbp (net/bridge/br_if.c:449) [ 599.954320][T13493] br_add_if (net/bridge/br_if.c:592) [ 599.954322][T13493] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 599.954326][T13493] do_set_master (net/core/rtnetlink.c:3071) [ 599.954328][T13493] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 599.954330][T13493] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 599.954331][T13493] ? __dev_get_by_name (net/core/dev.c:905) [ 599.954333][T13493] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 599.954337][T13493] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 599.954339][T13493] rtnl_newlink (net/core/rtnetlink.c:4215) [ 599.954341][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954343][T13493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 599.954344][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954346][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954347][T13493] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 599.954350][T13493] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 599.954352][T13493] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 599.954354][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954355][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954357][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954358][T13493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 599.954359][T13493] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 599.954361][T13493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 599.954362][T13493] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 599.954364][T13493] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 599.954370][T13493] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 599.954373][T13493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 599.954374][T13493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 599.954376][T13493] ? netlink_ack (./include/linux/skbuff.h:2718) [ 599.954378][T13493] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 599.954381][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954382][T13493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 599.954384][T13493] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 599.954386][T13493] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 599.954388][T13493] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 599.954391][T13493] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 599.954393][T13493] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 599.954396][T13493] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 599.954398][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954399][T13493] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 599.954403][T13493] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 599.954406][T13493] ____sys_sendmsg (net/socket.c:2713) [ 599.954407][T13493] ? copy_msghdr_from_user (net/socket.c:2650) [ 599.954409][T13493] ? sock_write_iter (net/socket.c:1269) [ 599.954411][T13493] ? move_addr_to_kernel (net/socket.c:258) [ 599.954413][T13493] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 599.954416][T13493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.954418][T13493] ___sys_sendmsg (net/socket.c:2767) [ 599.954419][T13493] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 599.954421][T13493] ? copy_msghdr_from_user (net/socket.c:2619) [ 599.954423][T13493] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 599.954427][T13493] __sys_sendmsg (net/socket.c:2799) [ 599.954429][T13493] ? __sys_sendmsg_sock (net/socket.c:2780) [ 599.954432][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954433][T13493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.954435][T13493] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 599.954437][T13493] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 599.954439][T13493] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 599.954441][T13493] RIP: 0033:0x7f56b259154e [ 599.954443][T13493] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 599.954445][T13493] RSP: 002b:00007fff176d3580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 599.954448][T13493] RAX: ffffffffffffffda RBX: 00007fff176d3d48 RCX: 00007f56b259154e [ 599.954450][T13493] RDX: 0000000000000000 RSI: 00007fff176d3630 RDI: 0000000000000005 [ 599.954451][T13493] RBP: 00007fff176d3590 R08: 0000000000000000 R09: 0000000000000000 [ 599.954452][T13493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169cf [ 599.954453][T13493] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff176d3d00 | [ 601.323125][T13562] softirqs last disabled at (0): 0x0 | [ 601.323126][T13562] Preemption disabled at: | [ 601.323127][T13562] vprintk_emit (kernel/printk/printk.c:2471) | [ 601.323137][T13562] Tainted: [W]=WARN [ 601.323139][T13562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 601.323140][T13562] Call Trace: [ 601.323142][T13562] [ 601.323143][T13562] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 601.323149][T13562] ? vprintk_emit (kernel/printk/printk.c:2471) [ 601.323150][T13562] __might_resched.cold (kernel/sched/core.c:9234) [ 601.323154][T13562] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 601.323157][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323160][T13562] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 601.323163][T13562] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.323166][T13562] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 601.323171][T13562] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 601.323173][T13562] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 601.323175][T13562] put_chars (drivers/char/virtio_console.c:1176) [ 601.323177][T13562] ? __send_to_port (drivers/char/virtio_console.c:654) [ 601.323178][T13562] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 601.323180][T13562] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 601.323182][T13562] ? pointer (lib/vsprintf.c:2577) [ 601.323186][T13562] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 601.323190][T13562] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 601.323192][T13562] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.323194][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323197][T13562] console_emit_next_record (kernel/printk/printk.c:3183) [ 601.323199][T13562] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 601.323201][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323202][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323203][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323205][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323207][T13562] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 601.323208][T13562] console_flush_one_record (kernel/printk/printk.c:3268) [ 601.323211][T13562] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 601.323213][T13562] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 601.323215][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323217][T13562] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 601.323219][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323219][T13562] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.323221][T13562] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 601.323223][T13562] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 601.323224][T13562] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 601.323226][T13562] ? vprintk_emit (kernel/printk/printk.c:2478) [ 601.323227][T13562] vprintk_emit (kernel/printk/printk.c:2479) [ 601.323229][T13562] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 601.323230][T13562] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 601.323233][T13562] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 601.323236][T13562] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 601.323238][T13562] _printk (kernel/printk/printk.c:2504) [ 601.323241][T13562] ? snapshot_read.cold (user.c:?) [ 601.323243][T13562] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 601.323245][T13562] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 601.323249][T13562] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 601.323250][T13562] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.323254][T13562] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 601.323256][T13562] ? netdev_notice (net/core/dev.c:13194) [ 601.323258][T13562] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 601.323259][T13562] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 601.323262][T13562] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.323263][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323264][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323266][T13562] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 601.323267][T13562] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 601.323268][T13562] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 601.323270][T13562] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.323271][T13562] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 601.323273][T13562] ? register_netdev (net/core/dev.c:11618) [ 601.323274][T13562] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.323276][T13562] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 601.323279][T13562] ? __kernel_text_address (kernel/extable.c:79) [ 601.323282][T13562] ? write_profile (profile.c:?) [ 601.323285][T13562] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 601.323292][T13562] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.323294][T13562] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 601.323295][T13562] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 601.323297][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323298][T13562] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 601.323301][T13562] ? kasan_save_stack (mm/kasan/common.c:58) [ 601.323303][T13562] ? kasan_save_stack (mm/kasan/common.c:57) [ 601.323304][T13562] ? kasan_save_track (mm/kasan/common.c:78) [ 601.323305][T13562] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 601.323306][T13562] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 601.323308][T13562] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 601.323309][T13562] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 601.323310][T13562] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 601.323313][T13562] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 601.323315][T13562] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 601.323316][T13562] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 601.323319][T13562] ? ____sys_sendmsg (net/socket.c:2713) [ 601.323320][T13562] ? ___sys_sendmsg (net/socket.c:2767) [ 601.323321][T13562] ? __sys_sendmsg (net/socket.c:2799) [ 601.323323][T13562] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 601.323326][T13562] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.323328][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323329][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323331][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323332][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323333][T13562] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 601.323334][T13562] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 601.323336][T13562] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 601.323337][T13562] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 601.323338][T13562] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 601.323339][T13562] ? nla_get_range_signed (lib/nlattr.c:270) [ 601.323343][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323344][T13562] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 601.323346][T13562] rtnl_newlink (net/core/rtnetlink.c:4215) [ 601.323348][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323349][T13562] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 601.323351][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323352][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323354][T13562] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 601.323356][T13562] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 601.323357][T13562] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 601.323359][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323360][T13562] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 601.323363][T13562] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 601.323366][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323367][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323368][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323369][T13562] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 601.323371][T13562] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 601.323372][T13562] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 601.323374][T13562] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 601.323375][T13562] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 601.323378][T13562] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 601.323379][T13562] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 601.323381][T13562] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.323382][T13562] ? netlink_ack (./include/linux/skbuff.h:2718) [ 601.323384][T13562] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 601.323387][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323388][T13562] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.323390][T13562] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 601.323392][T13562] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 601.323394][T13562] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.323396][T13562] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 601.323398][T13562] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 601.323399][T13562] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 601.323401][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.323402][T13562] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 601.323405][T13562] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 601.323407][T13562] ____sys_sendmsg (net/socket.c:2713) [ 601.323409][T13562] ? copy_msghdr_from_user (net/socket.c:2650) [ 601.323411][T13562] ? sock_write_iter (net/socket.c:1269) [ 601.323412][T13562] ? move_addr_to_kernel (net/socket.c:258) [ 601.323414][T13562] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 601.323416][T13562] ___sys_sendmsg (net/socket.c:2767) [ 601.323418][T13562] ? copy_msghdr_from_user (net/socket.c:2619) [ 601.323423][T13562] __sys_sendmsg (net/socket.c:2799) [ 601.323425][T13562] ? __sys_sendmsg_sock (net/socket.c:2780) [ 601.323427][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.323429][T13562] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 601.323431][T13562] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 601.323433][T13562] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.323434][T13562] RIP: 0033:0x7fbf2d4ca54e [ 601.323436][T13562] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 601.323438][T13562] RSP: 002b:00007ffd7cf975f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 601.323441][T13562] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbf2d4ca54e [ 601.323443][T13562] RDX: 0000000000000000 RSI: 00007ffd7cf976a0 RDI: 0000000000000005 [ 601.323444][T13562] RBP: 00007ffd7cf97600 R08: 0000000000000000 R09: 0000000000000000 [ 601.323445][T13562] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169d0 [ 601.323446][T13562] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7cf97d60 | [ 602.411589][T13612] softirqs last disabled at (0): 0x0 | [ 602.411591][T13612] Preemption disabled at: | [ 602.411591][T13612] vprintk_emit (kernel/printk/printk.c:2471) | [ 602.411602][T13612] Tainted: [W]=WARN [ 602.411603][T13612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 602.411604][T13612] Call Trace: [ 602.411606][T13612] [ 602.411607][T13612] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 602.411613][T13612] ? vprintk_emit (kernel/printk/printk.c:2471) [ 602.411614][T13612] __might_resched.cold (kernel/sched/core.c:9234) [ 602.411618][T13612] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 602.411621][T13612] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 602.411624][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411627][T13612] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 602.411630][T13612] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.411633][T13612] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 602.411638][T13612] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 602.411640][T13612] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 602.411643][T13612] put_chars (drivers/char/virtio_console.c:1176) [ 602.411644][T13612] ? __send_to_port (drivers/char/virtio_console.c:654) [ 602.411646][T13612] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 602.411649][T13612] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 602.411653][T13612] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 602.411655][T13612] ? vsnprintf (lib/vsprintf.c:2900) [ 602.411658][T13612] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.411660][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411661][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411663][T13612] console_emit_next_record (kernel/printk/printk.c:3183) [ 602.411666][T13612] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 602.411668][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411669][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411670][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411671][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411673][T13612] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 602.411675][T13612] console_flush_one_record (kernel/printk/printk.c:3268) [ 602.411678][T13612] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 602.411681][T13612] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 602.411683][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411684][T13612] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 602.411686][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411687][T13612] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.411688][T13612] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 602.411690][T13612] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 602.411691][T13612] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 602.411693][T13612] ? vprintk_emit (kernel/printk/printk.c:2478) [ 602.411695][T13612] vprintk_emit (kernel/printk/printk.c:2479) [ 602.411697][T13612] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 602.411698][T13612] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.411699][T13612] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 602.411702][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411704][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411705][T13612] _printk (kernel/printk/printk.c:2504) [ 602.411708][T13612] ? snapshot_read.cold (user.c:?) [ 602.411710][T13612] ? br_multicast_flood (??:?) [ 602.411714][T13612] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 602.411717][T13612] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 602.411718][T13612] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 602.411720][T13612] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 602.411722][T13612] br_init_port (net/bridge/br_stp_if.c:39) [ 602.411724][T13612] new_nbp (net/bridge/br_if.c:449) [ 602.411727][T13612] br_add_if (net/bridge/br_if.c:592) [ 602.411728][T13612] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 602.411733][T13612] do_set_master (net/core/rtnetlink.c:3071) [ 602.411735][T13612] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 602.411736][T13612] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 602.411738][T13612] ? __dev_get_by_name (net/core/dev.c:905) [ 602.411740][T13612] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 602.411744][T13612] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 602.411746][T13612] rtnl_newlink (net/core/rtnetlink.c:4215) [ 602.411748][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411749][T13612] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 602.411751][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411752][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411754][T13612] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 602.411756][T13612] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 602.411758][T13612] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 602.411760][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411761][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411763][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411764][T13612] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 602.411765][T13612] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 602.411767][T13612] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 602.411769][T13612] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 602.411770][T13612] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 602.411774][T13612] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 602.411777][T13612] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 602.411778][T13612] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.411780][T13612] ? netlink_ack (./include/linux/skbuff.h:2718) [ 602.411782][T13612] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 602.411785][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411786][T13612] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.411788][T13612] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 602.411790][T13612] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 602.411792][T13612] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 602.411795][T13612] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 602.411797][T13612] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 602.411799][T13612] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 602.411802][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411803][T13612] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 602.411807][T13612] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 602.411809][T13612] ____sys_sendmsg (net/socket.c:2713) [ 602.411811][T13612] ? copy_msghdr_from_user (net/socket.c:2650) [ 602.411813][T13612] ? sock_write_iter (net/socket.c:1269) [ 602.411814][T13612] ? move_addr_to_kernel (net/socket.c:258) [ 602.411817][T13612] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 602.411819][T13612] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.411821][T13612] ___sys_sendmsg (net/socket.c:2767) [ 602.411823][T13612] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 602.411824][T13612] ? copy_msghdr_from_user (net/socket.c:2619) [ 602.411826][T13612] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 602.411830][T13612] __sys_sendmsg (net/socket.c:2799) [ 602.411832][T13612] ? __sys_sendmsg_sock (net/socket.c:2780) [ 602.411835][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411836][T13612] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.411840][T13612] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 602.411842][T13612] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 602.411844][T13612] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 602.411847][T13612] RIP: 0033:0x7f6983c7454e [ 602.411848][T13612] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 602.411850][T13612] RSP: 002b:00007fff8a906f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 602.411854][T13612] RAX: ffffffffffffffda RBX: 00007fff8a907728 RCX: 00007f6983c7454e [ 602.411855][T13612] RDX: 0000000000000000 RSI: 00007fff8a907010 RDI: 0000000000000005 [ 602.411856][T13612] RBP: 00007fff8a906f70 R08: 0000000000000000 R09: 0000000000000000 [ 602.411857][T13612] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169d1 [ 602.411858][T13612] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8a9076e0 | [ 608.406679][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 608.406681][ T12] Preemption disabled at: | [ 608.406682][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 608.406693][ T12] Tainted: [W]=WARN [ 608.406694][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 608.406695][ T12] Workqueue: netns cleanup_net [ 608.406701][ T12] Call Trace: [ 608.406703][ T12] [ 608.406705][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 608.406710][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 608.406711][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 608.406715][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 608.406717][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 608.406721][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406723][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 608.406727][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.406730][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 608.406734][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 608.406736][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 608.406739][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 608.406741][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 608.406743][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 608.406745][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 608.406750][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 608.406751][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 608.406754][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.406755][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406756][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406758][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 608.406761][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 608.406763][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406764][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406765][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406767][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.406769][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 608.406771][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 608.406773][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 608.406776][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 608.406778][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.406780][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 608.406781][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406783][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 608.406784][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 608.406786][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 608.406788][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 608.406790][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 608.406791][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 608.406793][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 608.406794][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 608.406796][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 608.406798][ T12] ? kthread (kernel/kthread.c:436) [ 608.406801][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 608.406803][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 608.406806][ T12] _printk (kernel/printk/printk.c:2504) [ 608.406809][ T12] ? snapshot_read.cold (user.c:?) [ 608.406811][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 608.406814][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 608.406817][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 608.406819][ T12] ? netdev_notice (net/core/dev.c:13194) [ 608.406821][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406822][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 608.406824][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 608.406827][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 608.406828][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 608.406830][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 608.406832][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 608.406835][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 608.406842][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 608.406844][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 608.406847][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 608.406849][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 608.406851][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 608.406854][ T12] cleanup_net (net/core/net_namespace.c:706) [ 608.406856][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 608.406857][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 608.406860][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.406862][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.406863][ T12] process_one_work (kernel/workqueue.c:3387) [ 608.406866][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 608.406869][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.406871][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 608.406874][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 608.406876][ T12] kthread (kernel/kthread.c:436) [ 608.406878][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 608.406880][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 608.406882][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 608.406883][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 608.406886][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 608.406889][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 608.406890][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 609.581819][T13746] softirqs last disabled at (0): 0x0 | [ 609.581820][T13746] Preemption disabled at: | [ 609.581821][T13746] vprintk_emit (kernel/printk/printk.c:2471) | [ 609.581831][T13746] Tainted: [W]=WARN [ 609.581832][T13746] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 609.581834][T13746] Call Trace: [ 609.581835][T13746] [ 609.581836][T13746] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 609.581844][T13746] ? vprintk_emit (kernel/printk/printk.c:2471) [ 609.581845][T13746] __might_resched.cold (kernel/sched/core.c:9234) [ 609.581849][T13746] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 609.581851][T13746] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 609.581854][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581857][T13746] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 609.581860][T13746] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.581863][T13746] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 609.581868][T13746] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 609.581870][T13746] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 609.581872][T13746] put_chars (drivers/char/virtio_console.c:1176) [ 609.581874][T13746] ? __send_to_port (drivers/char/virtio_console.c:654) [ 609.581875][T13746] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 609.581878][T13746] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 609.581883][T13746] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 609.581884][T13746] ? vsnprintf (lib/vsprintf.c:2900) [ 609.581888][T13746] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.581889][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581890][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581892][T13746] console_emit_next_record (kernel/printk/printk.c:3183) [ 609.581895][T13746] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 609.581897][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581898][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581899][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581900][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.581902][T13746] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 609.581904][T13746] console_flush_one_record (kernel/printk/printk.c:3268) [ 609.581907][T13746] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 609.581909][T13746] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 609.581911][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.581913][T13746] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 609.581914][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581915][T13746] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.581917][T13746] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 609.581919][T13746] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 609.581920][T13746] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 609.581922][T13746] ? vprintk_emit (kernel/printk/printk.c:2478) [ 609.581923][T13746] vprintk_emit (kernel/printk/printk.c:2479) [ 609.581925][T13746] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 609.581926][T13746] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.581928][T13746] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 609.581931][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.581932][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581934][T13746] _printk (kernel/printk/printk.c:2504) [ 609.581936][T13746] ? snapshot_read.cold (user.c:?) [ 609.581938][T13746] ? br_multicast_flood (??:?) [ 609.581942][T13746] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 609.581944][T13746] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 609.581945][T13746] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 609.581947][T13746] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 609.581950][T13746] br_init_port (net/bridge/br_stp_if.c:39) [ 609.581952][T13746] new_nbp (net/bridge/br_if.c:449) [ 609.581954][T13746] br_add_if (net/bridge/br_if.c:592) [ 609.581956][T13746] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 609.581960][T13746] do_set_master (net/core/rtnetlink.c:3071) [ 609.581962][T13746] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 609.581963][T13746] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 609.581965][T13746] ? __dev_get_by_name (net/core/dev.c:905) [ 609.581966][T13746] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 609.581970][T13746] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 609.581973][T13746] rtnl_newlink (net/core/rtnetlink.c:4215) [ 609.581975][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581976][T13746] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 609.581977][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.581979][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581980][T13746] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 609.581983][T13746] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 609.581985][T13746] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 609.581987][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581988][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.581990][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.581991][T13746] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 609.581993][T13746] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 609.581994][T13746] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 609.581996][T13746] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 609.581997][T13746] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 609.582000][T13746] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 609.582003][T13746] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 609.582005][T13746] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.582007][T13746] ? netlink_ack (./include/linux/skbuff.h:2718) [ 609.582008][T13746] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 609.582011][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.582012][T13746] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.582014][T13746] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 609.582017][T13746] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 609.582019][T13746] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 609.582021][T13746] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 609.582024][T13746] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 609.582026][T13746] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 609.582028][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.582030][T13746] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 609.582033][T13746] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 609.582036][T13746] ____sys_sendmsg (net/socket.c:2713) [ 609.582038][T13746] ? copy_msghdr_from_user (net/socket.c:2650) [ 609.582039][T13746] ? sock_write_iter (net/socket.c:1269) [ 609.582041][T13746] ? move_addr_to_kernel (net/socket.c:258) [ 609.582043][T13746] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 609.582046][T13746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.582048][T13746] ___sys_sendmsg (net/socket.c:2767) [ 609.582049][T13746] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 609.582051][T13746] ? copy_msghdr_from_user (net/socket.c:2619) [ 609.582053][T13746] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 609.582057][T13746] __sys_sendmsg (net/socket.c:2799) [ 609.582059][T13746] ? __sys_sendmsg_sock (net/socket.c:2780) [ 609.582062][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.582063][T13746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.582064][T13746] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 609.582067][T13746] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 609.582069][T13746] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 609.582071][T13746] RIP: 0033:0x7f5f24fd054e [ 609.582072][T13746] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 609.582074][T13746] RSP: 002b:00007ffe1c87af50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 609.582078][T13746] RAX: ffffffffffffffda RBX: 00007ffe1c87b718 RCX: 00007f5f24fd054e [ 609.582079][T13746] RDX: 0000000000000000 RSI: 00007ffe1c87b000 RDI: 0000000000000005 [ 609.582080][T13746] RBP: 00007ffe1c87af60 R08: 0000000000000000 R09: 0000000000000000 [ 609.582081][T13746] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169d8 [ 609.582082][T13746] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1c87b6d0 | [ 610.883826][T13814] softirqs last disabled at (0): 0x0 | [ 610.883827][T13814] Preemption disabled at: | [ 610.883828][T13814] vprintk_emit (kernel/printk/printk.c:2471) | [ 610.883841][T13814] Tainted: [W]=WARN [ 610.883842][T13814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 610.883844][T13814] Call Trace: [ 610.883846][T13814] [ 610.883847][T13814] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 610.883853][T13814] ? vprintk_emit (kernel/printk/printk.c:2471) [ 610.883854][T13814] __might_resched.cold (kernel/sched/core.c:9234) [ 610.883858][T13814] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 610.883861][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883864][T13814] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 610.883867][T13814] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 610.883870][T13814] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 610.883875][T13814] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 610.883877][T13814] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 610.883879][T13814] put_chars (drivers/char/virtio_console.c:1176) [ 610.883881][T13814] ? __send_to_port (drivers/char/virtio_console.c:654) [ 610.883882][T13814] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 610.883884][T13814] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 610.883887][T13814] ? pointer (lib/vsprintf.c:2577) [ 610.883890][T13814] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 610.883895][T13814] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 610.883897][T13814] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 610.883899][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.883901][T13814] console_emit_next_record (kernel/printk/printk.c:3183) [ 610.883904][T13814] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 610.883906][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883907][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883908][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883909][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.883911][T13814] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 610.883913][T13814] console_flush_one_record (kernel/printk/printk.c:3268) [ 610.883916][T13814] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 610.883918][T13814] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 610.883920][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.883922][T13814] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 610.883924][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883925][T13814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.883926][T13814] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 610.883928][T13814] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 610.883930][T13814] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 610.883932][T13814] ? vprintk_emit (kernel/printk/printk.c:2478) [ 610.883933][T13814] vprintk_emit (kernel/printk/printk.c:2479) [ 610.883935][T13814] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 610.883936][T13814] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 610.883938][T13814] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 610.883942][T13814] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 610.883944][T13814] _printk (kernel/printk/printk.c:2504) [ 610.883947][T13814] ? snapshot_read.cold (user.c:?) [ 610.883949][T13814] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 610.883952][T13814] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 610.883955][T13814] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 610.883956][T13814] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 610.883960][T13814] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 610.883962][T13814] ? netdev_notice (net/core/dev.c:13194) [ 610.883964][T13814] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 610.883966][T13814] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 610.883968][T13814] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 610.883970][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883971][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.883972][T13814] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 610.883974][T13814] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 610.883975][T13814] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 610.883977][T13814] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 610.883978][T13814] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 610.883980][T13814] ? register_netdev (net/core/dev.c:11618) [ 610.883981][T13814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.883983][T13814] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 610.883986][T13814] ? __kernel_text_address (kernel/extable.c:79) [ 610.883989][T13814] ? write_profile (profile.c:?) [ 610.883992][T13814] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 610.883995][T13814] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 610.883997][T13814] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 610.883999][T13814] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 610.884000][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884001][T13814] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 610.884005][T13814] ? kasan_save_stack (mm/kasan/common.c:58) [ 610.884007][T13814] ? kasan_save_stack (mm/kasan/common.c:57) [ 610.884008][T13814] ? kasan_save_track (mm/kasan/common.c:78) [ 610.884009][T13814] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 610.884010][T13814] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 610.884011][T13814] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 610.884013][T13814] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 610.884014][T13814] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 610.884017][T13814] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 610.884018][T13814] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 610.884020][T13814] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 610.884022][T13814] ? ____sys_sendmsg (net/socket.c:2713) [ 610.884024][T13814] ? ___sys_sendmsg (net/socket.c:2767) [ 610.884025][T13814] ? __sys_sendmsg (net/socket.c:2799) [ 610.884027][T13814] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 610.884029][T13814] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 610.884032][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884033][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.884034][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884035][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884036][T13814] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 610.884038][T13814] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 610.884039][T13814] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 610.884040][T13814] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 610.884042][T13814] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 610.884043][T13814] ? nla_get_range_signed (lib/nlattr.c:270) [ 610.884046][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884048][T13814] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 610.884050][T13814] rtnl_newlink (net/core/rtnetlink.c:4215) [ 610.884052][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884053][T13814] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 610.884054][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.884056][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884057][T13814] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 610.884059][T13814] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 610.884061][T13814] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 610.884062][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884063][T13814] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 610.884067][T13814] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 610.884069][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884070][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.884072][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884073][T13814] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 610.884074][T13814] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 610.884076][T13814] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 610.884077][T13814] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 610.884079][T13814] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 610.884081][T13814] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 610.884083][T13814] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 610.884084][T13814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.884086][T13814] ? netlink_ack (./include/linux/skbuff.h:2718) [ 610.884088][T13814] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 610.884091][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884092][T13814] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 610.884094][T13814] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 610.884096][T13814] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 610.884098][T13814] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 610.884100][T13814] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 610.884102][T13814] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 610.884104][T13814] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 610.884105][T13814] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 610.884107][T13814] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 610.884110][T13814] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 610.884112][T13814] ____sys_sendmsg (net/socket.c:2713) [ 610.884113][T13814] ? copy_msghdr_from_user (net/socket.c:2650) [ 610.884115][T13814] ? sock_write_iter (net/socket.c:1269) [ 610.884117][T13814] ? move_addr_to_kernel (net/socket.c:258) [ 610.884118][T13814] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 610.884121][T13814] ___sys_sendmsg (net/socket.c:2767) [ 610.884123][T13814] ? copy_msghdr_from_user (net/socket.c:2619) [ 610.884128][T13814] __sys_sendmsg (net/socket.c:2799) [ 610.884130][T13814] ? __sys_sendmsg_sock (net/socket.c:2780) [ 610.884132][T13814] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 610.884134][T13814] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 610.884136][T13814] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 610.884138][T13814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 610.884139][T13814] RIP: 0033:0x7fe64a71854e [ 610.884141][T13814] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 610.884143][T13814] RSP: 002b:00007ffcf828fab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 610.884147][T13814] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe64a71854e [ 610.884148][T13814] RDX: 0000000000000000 RSI: 00007ffcf828fb60 RDI: 0000000000000005 [ 610.884149][T13814] RBP: 00007ffcf828fac0 R08: 0000000000000000 R09: 0000000000000000 [ 610.884150][T13814] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169da [ 610.884151][T13814] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf8290220 | [ 611.969400][T13872] softirqs last disabled at (0): 0x0 | [ 611.969401][T13872] Preemption disabled at: | [ 611.969402][T13872] vprintk_emit (kernel/printk/printk.c:2471) | [ 611.969413][T13872] Tainted: [W]=WARN [ 611.969414][T13872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 611.969415][T13872] Call Trace: [ 611.969417][T13872] [ 611.969418][T13872] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 611.969424][T13872] ? vprintk_emit (kernel/printk/printk.c:2471) [ 611.969425][T13872] __might_resched.cold (kernel/sched/core.c:9234) [ 611.969429][T13872] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 611.969431][T13872] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 611.969434][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969437][T13872] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 611.969440][T13872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 611.969443][T13872] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 611.969448][T13872] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 611.969450][T13872] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 611.969453][T13872] put_chars (drivers/char/virtio_console.c:1176) [ 611.969454][T13872] ? __send_to_port (drivers/char/virtio_console.c:654) [ 611.969456][T13872] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 611.969459][T13872] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 611.969463][T13872] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 611.969465][T13872] ? vsnprintf (lib/vsprintf.c:2900) [ 611.969468][T13872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 611.969470][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969471][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969473][T13872] console_emit_next_record (kernel/printk/printk.c:3183) [ 611.969475][T13872] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 611.969477][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969478][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969479][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969480][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969482][T13872] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 611.969484][T13872] console_flush_one_record (kernel/printk/printk.c:3268) [ 611.969487][T13872] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 611.969489][T13872] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 611.969491][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969493][T13872] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 611.969495][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969496][T13872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.969497][T13872] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 611.969499][T13872] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 611.969500][T13872] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 611.969502][T13872] ? vprintk_emit (kernel/printk/printk.c:2478) [ 611.969504][T13872] vprintk_emit (kernel/printk/printk.c:2479) [ 611.969505][T13872] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 611.969506][T13872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 611.969508][T13872] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 611.969511][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969513][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969514][T13872] _printk (kernel/printk/printk.c:2504) [ 611.969517][T13872] ? snapshot_read.cold (user.c:?) [ 611.969519][T13872] ? br_multicast_flood (??:?) [ 611.969522][T13872] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 611.969525][T13872] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 611.969526][T13872] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 611.969528][T13872] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 611.969531][T13872] br_init_port (net/bridge/br_stp_if.c:39) [ 611.969533][T13872] new_nbp (net/bridge/br_if.c:449) [ 611.969535][T13872] br_add_if (net/bridge/br_if.c:592) [ 611.969537][T13872] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 611.969541][T13872] do_set_master (net/core/rtnetlink.c:3071) [ 611.969542][T13872] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 611.969544][T13872] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 611.969545][T13872] ? __dev_get_by_name (net/core/dev.c:905) [ 611.969547][T13872] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 611.969551][T13872] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 611.969553][T13872] rtnl_newlink (net/core/rtnetlink.c:4215) [ 611.969555][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969557][T13872] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 611.969558][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969559][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969561][T13872] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 611.969563][T13872] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 611.969565][T13872] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 611.969568][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969569][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969570][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969572][T13872] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 611.969573][T13872] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 611.969575][T13872] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 611.969576][T13872] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 611.969578][T13872] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 611.969581][T13872] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 611.969584][T13872] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 611.969586][T13872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.969587][T13872] ? netlink_ack (./include/linux/skbuff.h:2718) [ 611.969589][T13872] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 611.969591][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969593][T13872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.969595][T13872] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 611.969597][T13872] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 611.969599][T13872] ? next_uptodate_folio (mm/filemap.c:3747) [ 611.969602][T13872] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 611.969604][T13872] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 611.969606][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969607][T13872] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 611.969611][T13872] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 611.969614][T13872] ____sys_sendmsg (net/socket.c:2713) [ 611.969615][T13872] ? copy_msghdr_from_user (net/socket.c:2650) [ 611.969617][T13872] ? sock_write_iter (net/socket.c:1269) [ 611.969618][T13872] ? move_addr_to_kernel (net/socket.c:258) [ 611.969621][T13872] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 611.969623][T13872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.969625][T13872] ___sys_sendmsg (net/socket.c:2767) [ 611.969626][T13872] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 611.969628][T13872] ? copy_msghdr_from_user (net/socket.c:2619) [ 611.969630][T13872] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 611.969634][T13872] __sys_sendmsg (net/socket.c:2799) [ 611.969636][T13872] ? __sys_sendmsg_sock (net/socket.c:2780) [ 611.969639][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969640][T13872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.969642][T13872] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 611.969644][T13872] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 611.969646][T13872] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 611.969648][T13872] RIP: 0033:0x7f1ca789854e [ 611.969650][T13872] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 611.969652][T13872] RSP: 002b:00007ffd65bd5430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 611.969655][T13872] RAX: ffffffffffffffda RBX: 00007ffd65bd5bf8 RCX: 00007f1ca789854e [ 611.969657][T13872] RDX: 0000000000000000 RSI: 00007ffd65bd54e0 RDI: 0000000000000005 [ 611.969658][T13872] RBP: 00007ffd65bd5440 R08: 0000000000000000 R09: 0000000000000000 [ 611.969659][T13872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169db [ 611.969660][T13872] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd65bd5bb0 | [ 617.975604][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 617.975606][ T12] Preemption disabled at: | [ 617.975607][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 617.975617][ T12] Tainted: [W]=WARN [ 617.975618][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 617.975620][ T12] Workqueue: netns cleanup_net [ 617.975625][ T12] Call Trace: [ 617.975627][ T12] [ 617.975629][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 617.975634][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 617.975635][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 617.975639][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 617.975641][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 617.975644][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975647][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 617.975650][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 617.975653][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 617.975658][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 617.975659][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 617.975662][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 617.975664][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 617.975665][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 617.975668][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 617.975673][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 617.975674][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 617.975677][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 617.975679][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975680][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975682][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 617.975684][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 617.975687][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975687][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975688][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975690][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 617.975692][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 617.975694][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 617.975696][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 617.975699][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 617.975701][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 617.975703][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 617.975704][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975705][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 617.975707][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 617.975708][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 617.975710][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 617.975712][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 617.975713][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 617.975715][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 617.975716][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 617.975718][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 617.975721][ T12] ? kthread (kernel/kthread.c:436) [ 617.975723][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 617.975726][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 617.975728][ T12] _printk (kernel/printk/printk.c:2504) [ 617.975731][ T12] ? snapshot_read.cold (user.c:?) [ 617.975733][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 617.975737][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 617.975739][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 617.975741][ T12] ? netdev_notice (net/core/dev.c:13194) [ 617.975743][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975745][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 617.975746][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 617.975749][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 617.975750][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 617.975752][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 617.975754][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 617.975757][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 617.975761][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 617.975763][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 617.975765][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 617.975768][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 617.975769][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 617.975772][ T12] cleanup_net (net/core/net_namespace.c:706) [ 617.975774][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 617.975776][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 617.975778][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 617.975779][ T12] process_one_work (kernel/workqueue.c:3387) [ 617.975782][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 617.975785][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 617.975787][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 617.975790][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 617.975792][ T12] kthread (kernel/kthread.c:436) [ 617.975794][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 617.975796][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 617.975797][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 617.975799][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 617.975801][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 617.975804][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 617.975806][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 619.168426][T14006] softirqs last disabled at (0): 0x0 | [ 619.168428][T14006] Preemption disabled at: | [ 619.168429][T14006] vprintk_emit (kernel/printk/printk.c:2471) | [ 619.168440][T14006] Tainted: [W]=WARN [ 619.168441][T14006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 619.168443][T14006] Call Trace: [ 619.168444][T14006] [ 619.168446][T14006] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 619.168452][T14006] ? vprintk_emit (kernel/printk/printk.c:2471) [ 619.168453][T14006] __might_resched.cold (kernel/sched/core.c:9234) [ 619.168457][T14006] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 619.168460][T14006] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 619.168463][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168466][T14006] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 619.168469][T14006] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.168472][T14006] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 619.168477][T14006] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 619.168479][T14006] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 619.168481][T14006] put_chars (drivers/char/virtio_console.c:1176) [ 619.168483][T14006] ? __send_to_port (drivers/char/virtio_console.c:654) [ 619.168485][T14006] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 619.168487][T14006] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 619.168492][T14006] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 619.168494][T14006] ? vsnprintf (lib/vsprintf.c:2900) [ 619.168497][T14006] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.168499][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168500][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168501][T14006] console_emit_next_record (kernel/printk/printk.c:3183) [ 619.168504][T14006] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 619.168507][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168508][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168508][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168510][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168512][T14006] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 619.168514][T14006] console_flush_one_record (kernel/printk/printk.c:3268) [ 619.168516][T14006] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 619.168519][T14006] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 619.168521][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168523][T14006] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 619.168524][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168525][T14006] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.168527][T14006] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 619.168529][T14006] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 619.168530][T14006] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 619.168532][T14006] ? vprintk_emit (kernel/printk/printk.c:2478) [ 619.168534][T14006] vprintk_emit (kernel/printk/printk.c:2479) [ 619.168535][T14006] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 619.168537][T14006] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.168538][T14006] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 619.168541][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168543][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168544][T14006] _printk (kernel/printk/printk.c:2504) [ 619.168547][T14006] ? snapshot_read.cold (user.c:?) [ 619.168549][T14006] ? br_multicast_flood (??:?) [ 619.168552][T14006] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 619.168556][T14006] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 619.168557][T14006] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 619.168558][T14006] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 619.168561][T14006] br_init_port (net/bridge/br_stp_if.c:39) [ 619.168563][T14006] new_nbp (net/bridge/br_if.c:449) [ 619.168565][T14006] br_add_if (net/bridge/br_if.c:592) [ 619.168567][T14006] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 619.168571][T14006] do_set_master (net/core/rtnetlink.c:3071) [ 619.168573][T14006] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 619.168575][T14006] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 619.168576][T14006] ? __dev_get_by_name (net/core/dev.c:905) [ 619.168578][T14006] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 619.168582][T14006] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 619.168584][T14006] rtnl_newlink (net/core/rtnetlink.c:4215) [ 619.168586][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168587][T14006] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 619.168589][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168590][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168592][T14006] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 619.168595][T14006] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 619.168596][T14006] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 619.168599][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168600][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168602][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168603][T14006] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 619.168604][T14006] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 619.168606][T14006] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 619.168608][T14006] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 619.168609][T14006] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 619.168613][T14006] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 619.168616][T14006] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 619.168617][T14006] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.168619][T14006] ? netlink_ack (./include/linux/skbuff.h:2718) [ 619.168620][T14006] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 619.168623][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168625][T14006] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.168627][T14006] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 619.168629][T14006] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 619.168631][T14006] ? next_uptodate_folio (mm/filemap.c:3747) [ 619.168634][T14006] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 619.168636][T14006] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 619.168638][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168639][T14006] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 619.168643][T14006] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 619.168646][T14006] ____sys_sendmsg (net/socket.c:2713) [ 619.168647][T14006] ? copy_msghdr_from_user (net/socket.c:2650) [ 619.168649][T14006] ? sock_write_iter (net/socket.c:1269) [ 619.168651][T14006] ? move_addr_to_kernel (net/socket.c:258) [ 619.168653][T14006] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 619.168655][T14006] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.168657][T14006] ___sys_sendmsg (net/socket.c:2767) [ 619.168659][T14006] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 619.168661][T14006] ? copy_msghdr_from_user (net/socket.c:2619) [ 619.168662][T14006] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 619.168667][T14006] __sys_sendmsg (net/socket.c:2799) [ 619.168669][T14006] ? __sys_sendmsg_sock (net/socket.c:2780) [ 619.168671][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168673][T14006] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.168674][T14006] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 619.168677][T14006] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 619.168679][T14006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 619.168681][T14006] RIP: 0033:0x7f3daf0ad54e [ 619.168683][T14006] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 619.168685][T14006] RSP: 002b:00007ffebecf5180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 619.168689][T14006] RAX: ffffffffffffffda RBX: 00007ffebecf5948 RCX: 00007f3daf0ad54e [ 619.168690][T14006] RDX: 0000000000000000 RSI: 00007ffebecf5230 RDI: 0000000000000005 [ 619.168691][T14006] RBP: 00007ffebecf5190 R08: 0000000000000000 R09: 0000000000000000 [ 619.168692][T14006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169e2 [ 619.168693][T14006] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebecf5900 | [ 620.489733][T14075] softirqs last disabled at (0): 0x0 | [ 620.489735][T14075] Preemption disabled at: | [ 620.489736][T14075] vprintk_emit (kernel/printk/printk.c:2471) | [ 620.489746][T14075] Tainted: [W]=WARN [ 620.489747][T14075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 620.489749][T14075] Call Trace: [ 620.489751][T14075] [ 620.489752][T14075] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 620.489758][T14075] ? vprintk_emit (kernel/printk/printk.c:2471) [ 620.489759][T14075] __might_resched.cold (kernel/sched/core.c:9234) [ 620.489763][T14075] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 620.489766][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489768][T14075] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 620.489772][T14075] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.489775][T14075] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 620.489780][T14075] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 620.489781][T14075] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 620.489784][T14075] put_chars (drivers/char/virtio_console.c:1176) [ 620.489786][T14075] ? __send_to_port (drivers/char/virtio_console.c:654) [ 620.489787][T14075] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 620.489789][T14075] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 620.489791][T14075] ? pointer (lib/vsprintf.c:2577) [ 620.489794][T14075] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 620.489799][T14075] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 620.489801][T14075] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.489803][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.489805][T14075] console_emit_next_record (kernel/printk/printk.c:3183) [ 620.489808][T14075] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 620.489810][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489811][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489812][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489813][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.489815][T14075] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 620.489817][T14075] console_flush_one_record (kernel/printk/printk.c:3268) [ 620.489819][T14075] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 620.489822][T14075] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 620.489824][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.489825][T14075] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 620.489827][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489828][T14075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.489830][T14075] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 620.489831][T14075] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 620.489833][T14075] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 620.489835][T14075] ? vprintk_emit (kernel/printk/printk.c:2478) [ 620.489836][T14075] vprintk_emit (kernel/printk/printk.c:2479) [ 620.489840][T14075] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 620.489841][T14075] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 620.489844][T14075] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 620.489847][T14075] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 620.489849][T14075] _printk (kernel/printk/printk.c:2504) [ 620.489852][T14075] ? snapshot_read.cold (user.c:?) [ 620.489854][T14075] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 620.489856][T14075] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 620.489859][T14075] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 620.489861][T14075] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.489864][T14075] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 620.489866][T14075] ? netdev_notice (net/core/dev.c:13194) [ 620.489868][T14075] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 620.489870][T14075] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 620.489873][T14075] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.489874][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489875][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489876][T14075] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 620.489878][T14075] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 620.489879][T14075] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 620.489881][T14075] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.489882][T14075] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 620.489884][T14075] ? register_netdev (net/core/dev.c:11618) [ 620.489885][T14075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.489887][T14075] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 620.489890][T14075] ? __kernel_text_address (kernel/extable.c:79) [ 620.489892][T14075] ? write_profile (profile.c:?) [ 620.489895][T14075] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 620.489899][T14075] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.489901][T14075] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 620.489902][T14075] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 620.489904][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489905][T14075] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 620.489908][T14075] ? kasan_save_stack (mm/kasan/common.c:58) [ 620.489910][T14075] ? kasan_save_stack (mm/kasan/common.c:57) [ 620.489911][T14075] ? kasan_save_track (mm/kasan/common.c:78) [ 620.489912][T14075] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 620.489913][T14075] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 620.489914][T14075] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 620.489916][T14075] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 620.489917][T14075] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 620.489920][T14075] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 620.489921][T14075] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 620.489923][T14075] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 620.489925][T14075] ? ____sys_sendmsg (net/socket.c:2713) [ 620.489927][T14075] ? ___sys_sendmsg (net/socket.c:2767) [ 620.489928][T14075] ? __sys_sendmsg (net/socket.c:2799) [ 620.489930][T14075] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 620.489932][T14075] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.489935][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489936][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.489938][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489939][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489940][T14075] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 620.489941][T14075] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 620.489943][T14075] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 620.489944][T14075] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 620.489945][T14075] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 620.489947][T14075] ? nla_get_range_signed (lib/nlattr.c:270) [ 620.489950][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489951][T14075] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 620.489953][T14075] rtnl_newlink (net/core/rtnetlink.c:4215) [ 620.489955][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489956][T14075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 620.489958][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.489959][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489961][T14075] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 620.489963][T14075] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 620.489964][T14075] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 620.489966][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489967][T14075] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 620.489970][T14075] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 620.489972][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489973][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.489975][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489976][T14075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 620.489977][T14075] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 620.489979][T14075] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 620.489980][T14075] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 620.489982][T14075] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 620.489984][T14075] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 620.489986][T14075] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 620.489987][T14075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.489989][T14075] ? netlink_ack (./include/linux/skbuff.h:2718) [ 620.489990][T14075] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 620.489993][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.489995][T14075] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.489997][T14075] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 620.489999][T14075] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 620.490000][T14075] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.490002][T14075] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 620.490004][T14075] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 620.490006][T14075] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 620.490008][T14075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.490009][T14075] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 620.490012][T14075] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 620.490014][T14075] ____sys_sendmsg (net/socket.c:2713) [ 620.490016][T14075] ? copy_msghdr_from_user (net/socket.c:2650) [ 620.490017][T14075] ? sock_write_iter (net/socket.c:1269) [ 620.490019][T14075] ? move_addr_to_kernel (net/socket.c:258) [ 620.490020][T14075] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 620.490023][T14075] ___sys_sendmsg (net/socket.c:2767) [ 620.490024][T14075] ? copy_msghdr_from_user (net/socket.c:2619) [ 620.490029][T14075] __sys_sendmsg (net/socket.c:2799) [ 620.490031][T14075] ? __sys_sendmsg_sock (net/socket.c:2780) [ 620.490034][T14075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.490035][T14075] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 620.490037][T14075] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 620.490039][T14075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.490040][T14075] RIP: 0033:0x7fbcdad1e54e [ 620.490042][T14075] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 620.490044][T14075] RSP: 002b:00007ffe90049860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 620.490047][T14075] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbcdad1e54e [ 620.490049][T14075] RDX: 0000000000000000 RSI: 00007ffe90049910 RDI: 0000000000000005 [ 620.490050][T14075] RBP: 00007ffe90049870 R08: 0000000000000000 R09: 0000000000000000 [ 620.490051][T14075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169e3 [ 620.490052][T14075] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe90049fd0 | [ 621.553349][T14125] softirqs last disabled at (0): 0x0 | [ 621.553351][T14125] Preemption disabled at: | [ 621.553352][T14125] vprintk_emit (kernel/printk/printk.c:2471) | [ 621.553361][T14125] Tainted: [W]=WARN [ 621.553363][T14125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 621.553364][T14125] Call Trace: [ 621.553366][T14125] [ 621.553367][T14125] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 621.553372][T14125] ? vprintk_emit (kernel/printk/printk.c:2471) [ 621.553374][T14125] __might_resched.cold (kernel/sched/core.c:9234) [ 621.553377][T14125] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 621.553380][T14125] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 621.553383][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553385][T14125] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 621.553389][T14125] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.553392][T14125] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.553397][T14125] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 621.553399][T14125] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.553401][T14125] put_chars (drivers/char/virtio_console.c:1176) [ 621.553403][T14125] ? __send_to_port (drivers/char/virtio_console.c:654) [ 621.553405][T14125] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 621.553407][T14125] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 621.553412][T14125] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 621.553414][T14125] ? vsnprintf (lib/vsprintf.c:2900) [ 621.553417][T14125] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.553419][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553420][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553422][T14125] console_emit_next_record (kernel/printk/printk.c:3183) [ 621.553425][T14125] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 621.553427][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553428][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553429][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553430][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553433][T14125] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 621.553435][T14125] console_flush_one_record (kernel/printk/printk.c:3268) [ 621.553437][T14125] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 621.553440][T14125] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 621.553442][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553444][T14125] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 621.553447][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553448][T14125] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.553451][T14125] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 621.553453][T14125] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 621.553456][T14125] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 621.553458][T14125] ? vprintk_emit (kernel/printk/printk.c:2478) [ 621.553459][T14125] vprintk_emit (kernel/printk/printk.c:2479) [ 621.553461][T14125] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 621.553463][T14125] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.553464][T14125] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.553467][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553469][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553470][T14125] _printk (kernel/printk/printk.c:2504) [ 621.553473][T14125] ? snapshot_read.cold (user.c:?) [ 621.553475][T14125] ? br_multicast_flood (??:?) [ 621.553479][T14125] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 621.553482][T14125] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 621.553483][T14125] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.553485][T14125] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 621.553488][T14125] br_init_port (net/bridge/br_stp_if.c:39) [ 621.553490][T14125] new_nbp (net/bridge/br_if.c:449) [ 621.553492][T14125] br_add_if (net/bridge/br_if.c:592) [ 621.553494][T14125] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 621.553498][T14125] do_set_master (net/core/rtnetlink.c:3071) [ 621.553500][T14125] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 621.553502][T14125] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 621.553503][T14125] ? __dev_get_by_name (net/core/dev.c:905) [ 621.553505][T14125] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 621.553509][T14125] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 621.553511][T14125] rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.553513][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553515][T14125] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.553516][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553518][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553519][T14125] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 621.553522][T14125] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 621.553523][T14125] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 621.553526][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553527][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553528][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553530][T14125] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.553531][T14125] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 621.553533][T14125] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.553534][T14125] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.553536][T14125] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 621.553539][T14125] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 621.553543][T14125] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.553544][T14125] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.553546][T14125] ? netlink_ack (./include/linux/skbuff.h:2718) [ 621.553547][T14125] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 621.553550][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553551][T14125] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.553554][T14125] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 621.553556][T14125] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 621.553558][T14125] ? next_uptodate_folio (mm/filemap.c:3747) [ 621.553561][T14125] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 621.553563][T14125] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 621.553565][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553567][T14125] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 621.553570][T14125] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 621.553573][T14125] ____sys_sendmsg (net/socket.c:2713) [ 621.553575][T14125] ? copy_msghdr_from_user (net/socket.c:2650) [ 621.553576][T14125] ? sock_write_iter (net/socket.c:1269) [ 621.553578][T14125] ? move_addr_to_kernel (net/socket.c:258) [ 621.553580][T14125] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 621.553583][T14125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.553584][T14125] ___sys_sendmsg (net/socket.c:2767) [ 621.553586][T14125] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 621.553588][T14125] ? copy_msghdr_from_user (net/socket.c:2619) [ 621.553589][T14125] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 621.553594][T14125] __sys_sendmsg (net/socket.c:2799) [ 621.553596][T14125] ? __sys_sendmsg_sock (net/socket.c:2780) [ 621.553599][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553600][T14125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.553601][T14125] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 621.553604][T14125] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 621.553606][T14125] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 621.553608][T14125] RIP: 0033:0x7efc7632d54e [ 621.553610][T14125] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 621.553612][T14125] RSP: 002b:00007fffd24de230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 621.553616][T14125] RAX: ffffffffffffffda RBX: 00007fffd24de9f8 RCX: 00007efc7632d54e [ 621.553617][T14125] RDX: 0000000000000000 RSI: 00007fffd24de2e0 RDI: 0000000000000005 [ 621.553618][T14125] RBP: 00007fffd24de240 R08: 0000000000000000 R09: 0000000000000000 [ 621.553619][T14125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169e4 [ 621.553620][T14125] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd24de9b0 | [ 627.591405][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 627.591407][ T12] Preemption disabled at: | [ 627.591408][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 627.591417][ T12] Tainted: [W]=WARN [ 627.591418][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 627.591420][ T12] Workqueue: netns cleanup_net [ 627.591426][ T12] Call Trace: [ 627.591428][ T12] [ 627.591429][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 627.591434][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 627.591436][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 627.591439][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 627.591442][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 627.591445][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591447][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 627.591450][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 627.591453][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 627.591458][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 627.591460][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 627.591463][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 627.591465][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 627.591466][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 627.591469][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 627.591474][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 627.591475][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 627.591478][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 627.591480][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591481][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591482][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 627.591485][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 627.591487][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591488][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591489][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591491][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 627.591493][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 627.591495][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 627.591497][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 627.591500][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 627.591502][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 627.591503][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 627.591505][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591506][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 627.591508][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 627.591509][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 627.591511][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 627.591513][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 627.591514][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 627.591516][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 627.591517][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 627.591518][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 627.591521][ T12] ? kthread (kernel/kthread.c:436) [ 627.591523][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 627.591526][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 627.591529][ T12] _printk (kernel/printk/printk.c:2504) [ 627.591532][ T12] ? snapshot_read.cold (user.c:?) [ 627.591536][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 627.591540][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 627.591542][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 627.591544][ T12] ? netdev_notice (net/core/dev.c:13194) [ 627.591546][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591548][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 627.591549][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 627.591552][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 627.591553][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 627.591555][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 627.591557][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 627.591560][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 627.591564][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 627.591566][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 627.591568][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 627.591571][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 627.591573][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 627.591576][ T12] cleanup_net (net/core/net_namespace.c:706) [ 627.591578][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 627.591580][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 627.591581][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 627.591583][ T12] process_one_work (kernel/workqueue.c:3387) [ 627.591586][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 627.591588][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 627.591591][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 627.591594][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 627.591596][ T12] kthread (kernel/kthread.c:436) [ 627.591598][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 627.591599][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 627.591601][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 627.591603][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 627.591605][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 627.591608][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 627.591610][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 628.761920][T14263] softirqs last disabled at (0): 0x0 | [ 628.761922][T14263] Preemption disabled at: | [ 628.761922][T14263] vprintk_emit (kernel/printk/printk.c:2471) | [ 628.761933][T14263] Tainted: [W]=WARN [ 628.761934][T14263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 628.761935][T14263] Call Trace: [ 628.761937][T14263] [ 628.761938][T14263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 628.761943][T14263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 628.761945][T14263] __might_resched.cold (kernel/sched/core.c:9234) [ 628.761948][T14263] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 628.761950][T14263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 628.761954][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.761956][T14263] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 628.761959][T14263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.761962][T14263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.761967][T14263] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 628.761969][T14263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.761971][T14263] put_chars (drivers/char/virtio_console.c:1176) [ 628.761973][T14263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 628.761975][T14263] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 628.761977][T14263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 628.761982][T14263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 628.761984][T14263] ? vsnprintf (lib/vsprintf.c:2900) [ 628.761987][T14263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.761988][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.761989][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.761991][T14263] console_emit_next_record (kernel/printk/printk.c:3183) [ 628.761994][T14263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 628.761996][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.761997][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.761998][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.761999][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762001][T14263] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 628.762003][T14263] console_flush_one_record (kernel/printk/printk.c:3268) [ 628.762006][T14263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 628.762009][T14263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 628.762011][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762012][T14263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 628.762014][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762015][T14263] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.762016][T14263] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 628.762018][T14263] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 628.762019][T14263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 628.762021][T14263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 628.762023][T14263] vprintk_emit (kernel/printk/printk.c:2479) [ 628.762024][T14263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 628.762025][T14263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.762027][T14263] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 628.762030][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762031][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762033][T14263] _printk (kernel/printk/printk.c:2504) [ 628.762036][T14263] ? snapshot_read.cold (user.c:?) [ 628.762038][T14263] ? br_multicast_flood (??:?) [ 628.762042][T14263] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 628.762044][T14263] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 628.762045][T14263] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 628.762047][T14263] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 628.762050][T14263] br_init_port (net/bridge/br_stp_if.c:39) [ 628.762052][T14263] new_nbp (net/bridge/br_if.c:449) [ 628.762054][T14263] br_add_if (net/bridge/br_if.c:592) [ 628.762056][T14263] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 628.762060][T14263] do_set_master (net/core/rtnetlink.c:3071) [ 628.762062][T14263] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 628.762064][T14263] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 628.762065][T14263] ? __dev_get_by_name (net/core/dev.c:905) [ 628.762067][T14263] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 628.762071][T14263] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 628.762073][T14263] rtnl_newlink (net/core/rtnetlink.c:4215) [ 628.762075][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762076][T14263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 628.762078][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762080][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762081][T14263] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 628.762083][T14263] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 628.762085][T14263] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 628.762088][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762089][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762090][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762091][T14263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 628.762093][T14263] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 628.762094][T14263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 628.762096][T14263] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 628.762097][T14263] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 628.762101][T14263] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 628.762104][T14263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 628.762105][T14263] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.762107][T14263] ? netlink_ack (./include/linux/skbuff.h:2718) [ 628.762108][T14263] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 628.762111][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762113][T14263] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.762115][T14263] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 628.762117][T14263] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 628.762119][T14263] ? next_uptodate_folio (mm/filemap.c:3747) [ 628.762122][T14263] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 628.762124][T14263] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 628.762126][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762127][T14263] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 628.762131][T14263] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 628.762134][T14263] ____sys_sendmsg (net/socket.c:2713) [ 628.762135][T14263] ? copy_msghdr_from_user (net/socket.c:2650) [ 628.762137][T14263] ? sock_write_iter (net/socket.c:1269) [ 628.762138][T14263] ? move_addr_to_kernel (net/socket.c:258) [ 628.762141][T14263] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 628.762143][T14263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.762145][T14263] ___sys_sendmsg (net/socket.c:2767) [ 628.762146][T14263] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 628.762148][T14263] ? copy_msghdr_from_user (net/socket.c:2619) [ 628.762150][T14263] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 628.762154][T14263] __sys_sendmsg (net/socket.c:2799) [ 628.762157][T14263] ? __sys_sendmsg_sock (net/socket.c:2780) [ 628.762159][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762160][T14263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.762162][T14263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 628.762164][T14263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 628.762166][T14263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 628.762168][T14263] RIP: 0033:0x7f48acd2754e [ 628.762170][T14263] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 628.762172][T14263] RSP: 002b:00007fffa06536e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 628.762176][T14263] RAX: ffffffffffffffda RBX: 00007fffa0653ea8 RCX: 00007f48acd2754e [ 628.762177][T14263] RDX: 0000000000000000 RSI: 00007fffa0653790 RDI: 0000000000000005 [ 628.762178][T14263] RBP: 00007fffa06536f0 R08: 0000000000000000 R09: 0000000000000000 [ 628.762179][T14263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169ec [ 628.762180][T14263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa0653e60 | [ 630.065818][T14331] softirqs last disabled at (0): 0x0 | [ 630.065820][T14331] Preemption disabled at: | [ 630.065821][T14331] vprintk_emit (kernel/printk/printk.c:2471) | [ 630.065831][T14331] Tainted: [W]=WARN [ 630.065832][T14331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 630.065834][T14331] Call Trace: [ 630.065835][T14331] [ 630.065837][T14331] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 630.065845][T14331] ? vprintk_emit (kernel/printk/printk.c:2471) [ 630.065846][T14331] __might_resched.cold (kernel/sched/core.c:9234) [ 630.065850][T14331] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 630.065853][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065856][T14331] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 630.065859][T14331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.065862][T14331] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 630.065866][T14331] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 630.065868][T14331] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 630.065871][T14331] put_chars (drivers/char/virtio_console.c:1176) [ 630.065872][T14331] ? __send_to_port (drivers/char/virtio_console.c:654) [ 630.065874][T14331] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 630.065876][T14331] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 630.065878][T14331] ? pointer (lib/vsprintf.c:2577) [ 630.065881][T14331] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 630.065886][T14331] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 630.065888][T14331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.065890][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.065892][T14331] console_emit_next_record (kernel/printk/printk.c:3183) [ 630.065895][T14331] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 630.065897][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065898][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065899][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065900][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.065902][T14331] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 630.065904][T14331] console_flush_one_record (kernel/printk/printk.c:3268) [ 630.065906][T14331] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 630.065909][T14331] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 630.065911][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.065913][T14331] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 630.065914][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065915][T14331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.065917][T14331] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 630.065918][T14331] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 630.065920][T14331] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 630.065922][T14331] ? vprintk_emit (kernel/printk/printk.c:2478) [ 630.065923][T14331] vprintk_emit (kernel/printk/printk.c:2479) [ 630.065925][T14331] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 630.065926][T14331] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 630.065928][T14331] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 630.065932][T14331] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 630.065934][T14331] _printk (kernel/printk/printk.c:2504) [ 630.065937][T14331] ? snapshot_read.cold (user.c:?) [ 630.065939][T14331] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 630.065941][T14331] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 630.065944][T14331] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 630.065946][T14331] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.065949][T14331] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 630.065951][T14331] ? netdev_notice (net/core/dev.c:13194) [ 630.065954][T14331] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 630.065955][T14331] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 630.065958][T14331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.065959][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065960][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065961][T14331] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 630.065963][T14331] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 630.065964][T14331] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 630.065966][T14331] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.065967][T14331] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 630.065969][T14331] ? register_netdev (net/core/dev.c:11618) [ 630.065970][T14331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.065972][T14331] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 630.065975][T14331] ? __kernel_text_address (kernel/extable.c:79) [ 630.065977][T14331] ? write_profile (profile.c:?) [ 630.065980][T14331] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 630.065984][T14331] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.065986][T14331] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 630.065987][T14331] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 630.065988][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.065989][T14331] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 630.065993][T14331] ? kasan_save_stack (mm/kasan/common.c:58) [ 630.065994][T14331] ? kasan_save_stack (mm/kasan/common.c:57) [ 630.065996][T14331] ? kasan_save_track (mm/kasan/common.c:78) [ 630.065997][T14331] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 630.065998][T14331] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 630.065999][T14331] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 630.066000][T14331] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 630.066001][T14331] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 630.066004][T14331] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 630.066006][T14331] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 630.066007][T14331] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 630.066010][T14331] ? ____sys_sendmsg (net/socket.c:2713) [ 630.066011][T14331] ? ___sys_sendmsg (net/socket.c:2767) [ 630.066013][T14331] ? __sys_sendmsg (net/socket.c:2799) [ 630.066014][T14331] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 630.066017][T14331] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.066019][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066020][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.066022][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066023][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066024][T14331] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 630.066026][T14331] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 630.066027][T14331] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 630.066028][T14331] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 630.066030][T14331] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 630.066031][T14331] ? nla_get_range_signed (lib/nlattr.c:270) [ 630.066034][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066035][T14331] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 630.066037][T14331] rtnl_newlink (net/core/rtnetlink.c:4215) [ 630.066039][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066041][T14331] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 630.066042][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.066043][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066045][T14331] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 630.066047][T14331] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 630.066048][T14331] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 630.066050][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066051][T14331] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 630.066054][T14331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 630.066057][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066058][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.066059][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066061][T14331] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 630.066062][T14331] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 630.066064][T14331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 630.066065][T14331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 630.066066][T14331] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 630.066069][T14331] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 630.066070][T14331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 630.066072][T14331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.066073][T14331] ? netlink_ack (./include/linux/skbuff.h:2718) [ 630.066075][T14331] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 630.066078][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066079][T14331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.066081][T14331] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 630.066083][T14331] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 630.066085][T14331] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.066087][T14331] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 630.066089][T14331] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 630.066090][T14331] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 630.066092][T14331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.066094][T14331] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 630.066097][T14331] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 630.066099][T14331] ____sys_sendmsg (net/socket.c:2713) [ 630.066100][T14331] ? copy_msghdr_from_user (net/socket.c:2650) [ 630.066102][T14331] ? sock_write_iter (net/socket.c:1269) [ 630.066103][T14331] ? move_addr_to_kernel (net/socket.c:258) [ 630.066105][T14331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 630.066108][T14331] ___sys_sendmsg (net/socket.c:2767) [ 630.066109][T14331] ? copy_msghdr_from_user (net/socket.c:2619) [ 630.066114][T14331] __sys_sendmsg (net/socket.c:2799) [ 630.066116][T14331] ? __sys_sendmsg_sock (net/socket.c:2780) [ 630.066119][T14331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.066121][T14331] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 630.066122][T14331] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 630.066124][T14331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.066126][T14331] RIP: 0033:0x7f652b0a154e [ 630.066127][T14331] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 630.066129][T14331] RSP: 002b:00007ffd40f639d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 630.066133][T14331] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f652b0a154e [ 630.066134][T14331] RDX: 0000000000000000 RSI: 00007ffd40f63a80 RDI: 0000000000000005 [ 630.066135][T14331] RBP: 00007ffd40f639e0 R08: 0000000000000000 R09: 0000000000000000 [ 630.066136][T14331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169ed [ 630.066137][T14331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd40f64140 | [ 631.142722][T14389] softirqs last disabled at (0): 0x0 | [ 631.142724][T14389] Preemption disabled at: | [ 631.142725][T14389] vprintk_emit (kernel/printk/printk.c:2471) | [ 631.142735][T14389] Tainted: [W]=WARN [ 631.142736][T14389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 631.142738][T14389] Call Trace: [ 631.142740][T14389] [ 631.142741][T14389] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 631.142747][T14389] ? vprintk_emit (kernel/printk/printk.c:2471) [ 631.142748][T14389] __might_resched.cold (kernel/sched/core.c:9234) [ 631.142752][T14389] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 631.142754][T14389] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 631.142758][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142760][T14389] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 631.142763][T14389] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.142766][T14389] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.142772][T14389] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 631.142774][T14389] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.142776][T14389] put_chars (drivers/char/virtio_console.c:1176) [ 631.142778][T14389] ? __send_to_port (drivers/char/virtio_console.c:654) [ 631.142779][T14389] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 631.142782][T14389] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 631.142787][T14389] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 631.142789][T14389] ? vsnprintf (lib/vsprintf.c:2900) [ 631.142792][T14389] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.142794][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142795][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142796][T14389] console_emit_next_record (kernel/printk/printk.c:3183) [ 631.142799][T14389] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 631.142801][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142802][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142803][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142804][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142806][T14389] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 631.142808][T14389] console_flush_one_record (kernel/printk/printk.c:3268) [ 631.142811][T14389] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 631.142813][T14389] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 631.142815][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142817][T14389] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 631.142819][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142820][T14389] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.142821][T14389] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 631.142823][T14389] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 631.142824][T14389] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 631.142826][T14389] ? vprintk_emit (kernel/printk/printk.c:2478) [ 631.142828][T14389] vprintk_emit (kernel/printk/printk.c:2479) [ 631.142830][T14389] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 631.142831][T14389] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.142832][T14389] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.142835][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142837][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142841][T14389] _printk (kernel/printk/printk.c:2504) [ 631.142844][T14389] ? snapshot_read.cold (user.c:?) [ 631.142846][T14389] ? br_multicast_flood (??:?) [ 631.142850][T14389] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 631.142852][T14389] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 631.142853][T14389] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.142855][T14389] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 631.142858][T14389] br_init_port (net/bridge/br_stp_if.c:39) [ 631.142860][T14389] new_nbp (net/bridge/br_if.c:449) [ 631.142862][T14389] br_add_if (net/bridge/br_if.c:592) [ 631.142864][T14389] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 631.142868][T14389] do_set_master (net/core/rtnetlink.c:3071) [ 631.142869][T14389] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 631.142871][T14389] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 631.142873][T14389] ? __dev_get_by_name (net/core/dev.c:905) [ 631.142874][T14389] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 631.142878][T14389] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 631.142881][T14389] rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.142883][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142884][T14389] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.142885][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142887][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142888][T14389] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 631.142891][T14389] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 631.142893][T14389] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 631.142895][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142896][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142898][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142899][T14389] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.142900][T14389] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 631.142902][T14389] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.142903][T14389] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.142905][T14389] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 631.142908][T14389] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 631.142911][T14389] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.142912][T14389] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.142914][T14389] ? netlink_ack (./include/linux/skbuff.h:2718) [ 631.142916][T14389] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 631.142919][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142920][T14389] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.142922][T14389] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 631.142924][T14389] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 631.142926][T14389] ? next_uptodate_folio (mm/filemap.c:3747) [ 631.142929][T14389] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 631.142931][T14389] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 631.142933][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142935][T14389] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 631.142938][T14389] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 631.142941][T14389] ____sys_sendmsg (net/socket.c:2713) [ 631.142943][T14389] ? copy_msghdr_from_user (net/socket.c:2650) [ 631.142945][T14389] ? sock_write_iter (net/socket.c:1269) [ 631.142946][T14389] ? move_addr_to_kernel (net/socket.c:258) [ 631.142948][T14389] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 631.142951][T14389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.142953][T14389] ___sys_sendmsg (net/socket.c:2767) [ 631.142954][T14389] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 631.142956][T14389] ? copy_msghdr_from_user (net/socket.c:2619) [ 631.142958][T14389] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 631.142962][T14389] __sys_sendmsg (net/socket.c:2799) [ 631.142965][T14389] ? __sys_sendmsg_sock (net/socket.c:2780) [ 631.142967][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142968][T14389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.142970][T14389] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 631.142972][T14389] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 631.142974][T14389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 631.142977][T14389] RIP: 0033:0x7fb1eef5354e [ 631.142979][T14389] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 631.142981][T14389] RSP: 002b:00007ffebfa21cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 631.142984][T14389] RAX: ffffffffffffffda RBX: 00007ffebfa22498 RCX: 00007fb1eef5354e [ 631.142986][T14389] RDX: 0000000000000000 RSI: 00007ffebfa21d80 RDI: 0000000000000005 [ 631.142987][T14389] RBP: 00007ffebfa21ce0 R08: 0000000000000000 R09: 0000000000000000 [ 631.142988][T14389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169ee [ 631.142988][T14389] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebfa22450 | [ 637.178242][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 637.178244][ T12] Preemption disabled at: | [ 637.178245][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 637.178255][ T12] Tainted: [W]=WARN [ 637.178256][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 637.178257][ T12] Workqueue: netns cleanup_net [ 637.178263][ T12] Call Trace: [ 637.178265][ T12] [ 637.178267][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 637.178273][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 637.178274][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 637.178277][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 637.178280][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 637.178283][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178285][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 637.178288][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.178291][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 637.178296][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 637.178298][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 637.178300][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 637.178302][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 637.178304][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 637.178306][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 637.178311][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 637.178313][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 637.178315][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.178317][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178318][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178320][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 637.178322][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 637.178324][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178325][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178326][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178327][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.178330][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 637.178332][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 637.178334][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 637.178337][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 637.178339][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.178340][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 637.178342][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178343][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 637.178345][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 637.178346][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 637.178347][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 637.178350][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 637.178351][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 637.178353][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 637.178354][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 637.178355][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 637.178358][ T12] ? kthread (kernel/kthread.c:436) [ 637.178360][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 637.178363][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 637.178366][ T12] _printk (kernel/printk/printk.c:2504) [ 637.178375][ T12] ? snapshot_read.cold (user.c:?) [ 637.178378][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 637.178381][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 637.178383][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 637.178385][ T12] ? netdev_notice (net/core/dev.c:13194) [ 637.178388][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178389][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 637.178390][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 637.178393][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 637.178395][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 637.178396][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 637.178399][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 637.178401][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 637.178405][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 637.178408][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 637.178410][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 637.178412][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 637.178414][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 637.178417][ T12] cleanup_net (net/core/net_namespace.c:706) [ 637.178419][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 637.178421][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.178423][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.178424][ T12] process_one_work (kernel/workqueue.c:3387) [ 637.178427][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 637.178430][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.178432][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 637.178435][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 637.178437][ T12] kthread (kernel/kthread.c:436) [ 637.178438][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 637.178440][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 637.178442][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 637.178444][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 637.178446][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 637.178449][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 637.178451][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 638.356203][T14528] softirqs last disabled at (0): 0x0 | [ 638.356204][T14528] Preemption disabled at: | [ 638.356205][T14528] vprintk_emit (kernel/printk/printk.c:2471) | [ 638.356215][T14528] Tainted: [W]=WARN [ 638.356216][T14528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 638.356218][T14528] Call Trace: [ 638.356219][T14528] [ 638.356221][T14528] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 638.356226][T14528] ? vprintk_emit (kernel/printk/printk.c:2471) [ 638.356228][T14528] __might_resched.cold (kernel/sched/core.c:9234) [ 638.356231][T14528] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 638.356234][T14528] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 638.356237][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356239][T14528] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 638.356242][T14528] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.356245][T14528] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 638.356250][T14528] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 638.356252][T14528] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 638.356254][T14528] put_chars (drivers/char/virtio_console.c:1176) [ 638.356256][T14528] ? __send_to_port (drivers/char/virtio_console.c:654) [ 638.356258][T14528] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 638.356260][T14528] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 638.356265][T14528] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 638.356266][T14528] ? vsnprintf (lib/vsprintf.c:2900) [ 638.356270][T14528] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.356271][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356272][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356274][T14528] console_emit_next_record (kernel/printk/printk.c:3183) [ 638.356277][T14528] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 638.356279][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356280][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356281][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356282][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356284][T14528] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 638.356286][T14528] console_flush_one_record (kernel/printk/printk.c:3268) [ 638.356288][T14528] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 638.356291][T14528] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 638.356293][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356295][T14528] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 638.356296][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356297][T14528] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.356299][T14528] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 638.356300][T14528] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 638.356302][T14528] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 638.356304][T14528] ? vprintk_emit (kernel/printk/printk.c:2478) [ 638.356305][T14528] vprintk_emit (kernel/printk/printk.c:2479) [ 638.356307][T14528] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 638.356308][T14528] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.356310][T14528] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 638.356313][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356314][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356316][T14528] _printk (kernel/printk/printk.c:2504) [ 638.356318][T14528] ? snapshot_read.cold (user.c:?) [ 638.356320][T14528] ? br_multicast_flood (??:?) [ 638.356324][T14528] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 638.356327][T14528] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 638.356328][T14528] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 638.356330][T14528] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 638.356333][T14528] br_init_port (net/bridge/br_stp_if.c:39) [ 638.356334][T14528] new_nbp (net/bridge/br_if.c:449) [ 638.356336][T14528] br_add_if (net/bridge/br_if.c:592) [ 638.356338][T14528] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 638.356342][T14528] do_set_master (net/core/rtnetlink.c:3071) [ 638.356344][T14528] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 638.356346][T14528] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 638.356347][T14528] ? __dev_get_by_name (net/core/dev.c:905) [ 638.356349][T14528] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 638.356353][T14528] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 638.356355][T14528] rtnl_newlink (net/core/rtnetlink.c:4215) [ 638.356357][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356358][T14528] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 638.356359][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356361][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356362][T14528] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 638.356365][T14528] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 638.356367][T14528] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 638.356373][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356374][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356376][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356377][T14528] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 638.356378][T14528] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 638.356380][T14528] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 638.356382][T14528] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 638.356383][T14528] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 638.356387][T14528] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 638.356390][T14528] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 638.356391][T14528] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.356393][T14528] ? netlink_ack (./include/linux/skbuff.h:2718) [ 638.356395][T14528] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 638.356398][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356399][T14528] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.356401][T14528] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 638.356403][T14528] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 638.356405][T14528] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 638.356408][T14528] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 638.356411][T14528] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 638.356413][T14528] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 638.356415][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356417][T14528] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 638.356420][T14528] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 638.356423][T14528] ____sys_sendmsg (net/socket.c:2713) [ 638.356425][T14528] ? copy_msghdr_from_user (net/socket.c:2650) [ 638.356427][T14528] ? sock_write_iter (net/socket.c:1269) [ 638.356428][T14528] ? move_addr_to_kernel (net/socket.c:258) [ 638.356430][T14528] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 638.356433][T14528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.356435][T14528] ___sys_sendmsg (net/socket.c:2767) [ 638.356437][T14528] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 638.356438][T14528] ? copy_msghdr_from_user (net/socket.c:2619) [ 638.356440][T14528] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 638.356445][T14528] __sys_sendmsg (net/socket.c:2799) [ 638.356447][T14528] ? __sys_sendmsg_sock (net/socket.c:2780) [ 638.356449][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356451][T14528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.356452][T14528] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 638.356455][T14528] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 638.356457][T14528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 638.356459][T14528] RIP: 0033:0x7fc874f4f54e [ 638.356461][T14528] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 638.356462][T14528] RSP: 002b:00007ffd1e688b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 638.356466][T14528] RAX: ffffffffffffffda RBX: 00007ffd1e689338 RCX: 00007fc874f4f54e [ 638.356467][T14528] RDX: 0000000000000000 RSI: 00007ffd1e688c20 RDI: 0000000000000005 [ 638.356468][T14528] RBP: 00007ffd1e688b80 R08: 0000000000000000 R09: 0000000000000000 [ 638.356469][T14528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169f5 [ 638.356470][T14528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1e6892f0 | [ 639.661142][T14597] softirqs last disabled at (0): 0x0 | [ 639.661143][T14597] Preemption disabled at: | [ 639.661144][T14597] vprintk_emit (kernel/printk/printk.c:2471) | [ 639.661155][T14597] Tainted: [W]=WARN [ 639.661156][T14597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 639.661157][T14597] Call Trace: [ 639.661159][T14597] [ 639.661160][T14597] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 639.661166][T14597] ? vprintk_emit (kernel/printk/printk.c:2471) [ 639.661167][T14597] __might_resched.cold (kernel/sched/core.c:9234) [ 639.661171][T14597] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 639.661174][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661177][T14597] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 639.661180][T14597] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 639.661183][T14597] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 639.661188][T14597] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 639.661190][T14597] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 639.661192][T14597] put_chars (drivers/char/virtio_console.c:1176) [ 639.661194][T14597] ? __send_to_port (drivers/char/virtio_console.c:654) [ 639.661195][T14597] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 639.661197][T14597] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 639.661199][T14597] ? pointer (lib/vsprintf.c:2577) [ 639.661203][T14597] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 639.661208][T14597] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 639.661210][T14597] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 639.661212][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661214][T14597] console_emit_next_record (kernel/printk/printk.c:3183) [ 639.661217][T14597] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 639.661219][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661220][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661221][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661222][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661224][T14597] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 639.661226][T14597] console_flush_one_record (kernel/printk/printk.c:3268) [ 639.661228][T14597] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 639.661231][T14597] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 639.661233][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661235][T14597] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 639.661236][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661237][T14597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.661239][T14597] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 639.661240][T14597] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 639.661242][T14597] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 639.661244][T14597] ? vprintk_emit (kernel/printk/printk.c:2478) [ 639.661245][T14597] vprintk_emit (kernel/printk/printk.c:2479) [ 639.661247][T14597] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 639.661248][T14597] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 639.661250][T14597] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 639.661253][T14597] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 639.661256][T14597] _printk (kernel/printk/printk.c:2504) [ 639.661259][T14597] ? snapshot_read.cold (user.c:?) [ 639.661261][T14597] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 639.661263][T14597] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 639.661267][T14597] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 639.661269][T14597] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 639.661272][T14597] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 639.661274][T14597] ? netdev_notice (net/core/dev.c:13194) [ 639.661276][T14597] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 639.661278][T14597] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 639.661280][T14597] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 639.661282][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661283][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661284][T14597] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 639.661285][T14597] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 639.661287][T14597] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 639.661288][T14597] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 639.661289][T14597] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 639.661291][T14597] ? register_netdev (net/core/dev.c:11618) [ 639.661293][T14597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.661295][T14597] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 639.661297][T14597] ? __kernel_text_address (kernel/extable.c:79) [ 639.661300][T14597] ? write_profile (profile.c:?) [ 639.661303][T14597] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 639.661306][T14597] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 639.661308][T14597] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 639.661310][T14597] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 639.661311][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661312][T14597] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 639.661315][T14597] ? kasan_save_stack (mm/kasan/common.c:58) [ 639.661317][T14597] ? kasan_save_stack (mm/kasan/common.c:57) [ 639.661318][T14597] ? kasan_save_track (mm/kasan/common.c:78) [ 639.661319][T14597] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 639.661321][T14597] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 639.661322][T14597] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 639.661323][T14597] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 639.661324][T14597] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 639.661327][T14597] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 639.661328][T14597] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 639.661330][T14597] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 639.661332][T14597] ? ____sys_sendmsg (net/socket.c:2713) [ 639.661334][T14597] ? ___sys_sendmsg (net/socket.c:2767) [ 639.661335][T14597] ? __sys_sendmsg (net/socket.c:2799) [ 639.661337][T14597] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 639.661339][T14597] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 639.661342][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661343][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661344][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661345][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661346][T14597] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 639.661348][T14597] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 639.661349][T14597] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 639.661350][T14597] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 639.661352][T14597] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 639.661353][T14597] ? nla_get_range_signed (lib/nlattr.c:270) [ 639.661356][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661357][T14597] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 639.661359][T14597] rtnl_newlink (net/core/rtnetlink.c:4215) [ 639.661361][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661363][T14597] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 639.661364][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661365][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661367][T14597] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 639.661369][T14597] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 639.661370][T14597] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 639.661371][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661378][T14597] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 639.661381][T14597] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 639.661384][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661385][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661386][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661387][T14597] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 639.661389][T14597] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 639.661390][T14597] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 639.661392][T14597] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 639.661393][T14597] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 639.661396][T14597] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 639.661397][T14597] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 639.661399][T14597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.661400][T14597] ? netlink_ack (./include/linux/skbuff.h:2718) [ 639.661402][T14597] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 639.661405][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661406][T14597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 639.661408][T14597] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 639.661410][T14597] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 639.661412][T14597] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 639.661414][T14597] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 639.661416][T14597] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 639.661417][T14597] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 639.661419][T14597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 639.661421][T14597] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 639.661424][T14597] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 639.661426][T14597] ____sys_sendmsg (net/socket.c:2713) [ 639.661427][T14597] ? copy_msghdr_from_user (net/socket.c:2650) [ 639.661429][T14597] ? sock_write_iter (net/socket.c:1269) [ 639.661430][T14597] ? move_addr_to_kernel (net/socket.c:258) [ 639.661432][T14597] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 639.661434][T14597] ___sys_sendmsg (net/socket.c:2767) [ 639.661436][T14597] ? copy_msghdr_from_user (net/socket.c:2619) [ 639.661441][T14597] __sys_sendmsg (net/socket.c:2799) [ 639.661443][T14597] ? __sys_sendmsg_sock (net/socket.c:2780) [ 639.661446][T14597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 639.661447][T14597] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 639.661449][T14597] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 639.661451][T14597] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 639.661452][T14597] RIP: 0033:0x7fba6ad6654e [ 639.661454][T14597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 639.661456][T14597] RSP: 002b:00007ffff832af30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 639.661459][T14597] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fba6ad6654e [ 639.661461][T14597] RDX: 0000000000000000 RSI: 00007ffff832afe0 RDI: 0000000000000005 [ 639.661462][T14597] RBP: 00007ffff832af40 R08: 0000000000000000 R09: 0000000000000000 [ 639.661463][T14597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169f7 [ 639.661464][T14597] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff832b6a0 | [ 640.724091][T14647] softirqs last disabled at (0): 0x0 | [ 640.724092][T14647] Preemption disabled at: | [ 640.724093][T14647] vprintk_emit (kernel/printk/printk.c:2471) | [ 640.724104][T14647] Tainted: [W]=WARN [ 640.724105][T14647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 640.724106][T14647] Call Trace: [ 640.724108][T14647] [ 640.724109][T14647] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 640.724115][T14647] ? vprintk_emit (kernel/printk/printk.c:2471) [ 640.724117][T14647] __might_resched.cold (kernel/sched/core.c:9234) [ 640.724120][T14647] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 640.724123][T14647] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 640.724126][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724129][T14647] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 640.724131][T14647] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.724134][T14647] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 640.724140][T14647] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 640.724142][T14647] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 640.724144][T14647] put_chars (drivers/char/virtio_console.c:1176) [ 640.724146][T14647] ? __send_to_port (drivers/char/virtio_console.c:654) [ 640.724148][T14647] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 640.724150][T14647] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 640.724155][T14647] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 640.724157][T14647] ? vsnprintf (lib/vsprintf.c:2900) [ 640.724160][T14647] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.724162][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724163][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724164][T14647] console_emit_next_record (kernel/printk/printk.c:3183) [ 640.724167][T14647] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 640.724169][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724170][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724171][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724172][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724175][T14647] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 640.724177][T14647] console_flush_one_record (kernel/printk/printk.c:3268) [ 640.724179][T14647] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 640.724182][T14647] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 640.724183][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724185][T14647] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 640.724187][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724188][T14647] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.724189][T14647] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 640.724191][T14647] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 640.724192][T14647] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 640.724194][T14647] ? vprintk_emit (kernel/printk/printk.c:2478) [ 640.724195][T14647] vprintk_emit (kernel/printk/printk.c:2479) [ 640.724197][T14647] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 640.724198][T14647] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.724200][T14647] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 640.724203][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724204][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724206][T14647] _printk (kernel/printk/printk.c:2504) [ 640.724209][T14647] ? snapshot_read.cold (user.c:?) [ 640.724211][T14647] ? br_multicast_flood (??:?) [ 640.724214][T14647] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 640.724216][T14647] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 640.724218][T14647] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 640.724219][T14647] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 640.724222][T14647] br_init_port (net/bridge/br_stp_if.c:39) [ 640.724224][T14647] new_nbp (net/bridge/br_if.c:449) [ 640.724226][T14647] br_add_if (net/bridge/br_if.c:592) [ 640.724228][T14647] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 640.724232][T14647] do_set_master (net/core/rtnetlink.c:3071) [ 640.724234][T14647] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 640.724235][T14647] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 640.724237][T14647] ? __dev_get_by_name (net/core/dev.c:905) [ 640.724238][T14647] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 640.724242][T14647] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 640.724245][T14647] rtnl_newlink (net/core/rtnetlink.c:4215) [ 640.724247][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724248][T14647] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 640.724249][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724251][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724252][T14647] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 640.724255][T14647] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 640.724257][T14647] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 640.724259][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724260][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724262][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724263][T14647] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 640.724264][T14647] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 640.724266][T14647] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 640.724267][T14647] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 640.724269][T14647] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 640.724273][T14647] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 640.724276][T14647] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 640.724277][T14647] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.724279][T14647] ? netlink_ack (./include/linux/skbuff.h:2718) [ 640.724280][T14647] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 640.724283][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724284][T14647] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.724286][T14647] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 640.724289][T14647] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 640.724290][T14647] ? next_uptodate_folio (mm/filemap.c:3747) [ 640.724293][T14647] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 640.724296][T14647] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 640.724298][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724299][T14647] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 640.724303][T14647] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 640.724306][T14647] ____sys_sendmsg (net/socket.c:2713) [ 640.724307][T14647] ? copy_msghdr_from_user (net/socket.c:2650) [ 640.724309][T14647] ? sock_write_iter (net/socket.c:1269) [ 640.724310][T14647] ? move_addr_to_kernel (net/socket.c:258) [ 640.724312][T14647] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 640.724315][T14647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.724317][T14647] ___sys_sendmsg (net/socket.c:2767) [ 640.724319][T14647] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 640.724320][T14647] ? copy_msghdr_from_user (net/socket.c:2619) [ 640.724322][T14647] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 640.724326][T14647] __sys_sendmsg (net/socket.c:2799) [ 640.724329][T14647] ? __sys_sendmsg_sock (net/socket.c:2780) [ 640.724331][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724332][T14647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.724334][T14647] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 640.724336][T14647] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 640.724338][T14647] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 640.724340][T14647] RIP: 0033:0x7f5bcd53254e [ 640.724342][T14647] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 640.724344][T14647] RSP: 002b:00007ffc0dfcc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 640.724348][T14647] RAX: ffffffffffffffda RBX: 00007ffc0dfcc918 RCX: 00007f5bcd53254e [ 640.724349][T14647] RDX: 0000000000000000 RSI: 00007ffc0dfcc200 RDI: 0000000000000005 [ 640.724350][T14647] RBP: 00007ffc0dfcc160 R08: 0000000000000000 R09: 0000000000000000 [ 640.724351][T14647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169f8 [ 640.724352][T14647] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0dfcc8d0 | [ 646.773651][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 646.773653][ T12] Preemption disabled at: | [ 646.773654][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 646.773664][ T12] Tainted: [W]=WARN [ 646.773665][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 646.773667][ T12] Workqueue: netns cleanup_net [ 646.773672][ T12] Call Trace: [ 646.773674][ T12] [ 646.773675][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 646.773681][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 646.773682][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 646.773686][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 646.773688][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 646.773691][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773694][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 646.773697][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 646.773700][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 646.773705][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 646.773707][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 646.773709][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 646.773711][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 646.773713][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 646.773715][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 646.773720][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 646.773722][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 646.773724][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 646.773726][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773727][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773728][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 646.773731][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 646.773733][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773734][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773735][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773736][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 646.773739][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 646.773741][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 646.773743][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 646.773746][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 646.773748][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 646.773750][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 646.773751][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773752][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 646.773754][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 646.773755][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 646.773757][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 646.773759][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 646.773760][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 646.773762][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 646.773763][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 646.773765][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 646.773768][ T12] ? kthread (kernel/kthread.c:436) [ 646.773770][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 646.773773][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 646.773776][ T12] _printk (kernel/printk/printk.c:2504) [ 646.773779][ T12] ? snapshot_read.cold (user.c:?) [ 646.773781][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 646.773784][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 646.773786][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 646.773789][ T12] ? netdev_notice (net/core/dev.c:13194) [ 646.773791][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773792][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 646.773793][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 646.773796][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 646.773798][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 646.773799][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 646.773801][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 646.773804][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 646.773808][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 646.773810][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 646.773812][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 646.773815][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 646.773816][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 646.773819][ T12] cleanup_net (net/core/net_namespace.c:706) [ 646.773821][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 646.773823][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 646.773825][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 646.773826][ T12] process_one_work (kernel/workqueue.c:3387) [ 646.773829][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 646.773832][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 646.773834][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 646.773840][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 646.773842][ T12] kthread (kernel/kthread.c:436) [ 646.773843][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 646.773845][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 646.773847][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 646.773849][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 646.773851][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 646.773854][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 646.773856][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 647.958689][T14786] softirqs last disabled at (0): 0x0 | [ 647.958691][T14786] Preemption disabled at: | [ 647.958692][T14786] vprintk_emit (kernel/printk/printk.c:2471) | [ 647.958702][T14786] Tainted: [W]=WARN [ 647.958703][T14786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 647.958705][T14786] Call Trace: [ 647.958707][T14786] [ 647.958708][T14786] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 647.958714][T14786] ? vprintk_emit (kernel/printk/printk.c:2471) [ 647.958715][T14786] __might_resched.cold (kernel/sched/core.c:9234) [ 647.958719][T14786] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 647.958722][T14786] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 647.958725][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958727][T14786] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 647.958730][T14786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 647.958734][T14786] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 647.958739][T14786] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 647.958740][T14786] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 647.958743][T14786] put_chars (drivers/char/virtio_console.c:1176) [ 647.958745][T14786] ? __send_to_port (drivers/char/virtio_console.c:654) [ 647.958746][T14786] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 647.958749][T14786] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 647.958753][T14786] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 647.958755][T14786] ? vsnprintf (lib/vsprintf.c:2900) [ 647.958758][T14786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 647.958760][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958761][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958763][T14786] console_emit_next_record (kernel/printk/printk.c:3183) [ 647.958766][T14786] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 647.958768][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958769][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958770][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958771][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958773][T14786] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 647.958775][T14786] console_flush_one_record (kernel/printk/printk.c:3268) [ 647.958777][T14786] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 647.958780][T14786] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 647.958782][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958784][T14786] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 647.958785][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958786][T14786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 647.958788][T14786] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 647.958789][T14786] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 647.958791][T14786] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 647.958793][T14786] ? vprintk_emit (kernel/printk/printk.c:2478) [ 647.958794][T14786] vprintk_emit (kernel/printk/printk.c:2479) [ 647.958796][T14786] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 647.958797][T14786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 647.958799][T14786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 647.958802][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958803][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958805][T14786] _printk (kernel/printk/printk.c:2504) [ 647.958808][T14786] ? snapshot_read.cold (user.c:?) [ 647.958810][T14786] ? br_multicast_flood (??:?) [ 647.958813][T14786] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 647.958816][T14786] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 647.958817][T14786] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 647.958819][T14786] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 647.958822][T14786] br_init_port (net/bridge/br_stp_if.c:39) [ 647.958823][T14786] new_nbp (net/bridge/br_if.c:449) [ 647.958825][T14786] br_add_if (net/bridge/br_if.c:592) [ 647.958827][T14786] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 647.958831][T14786] do_set_master (net/core/rtnetlink.c:3071) [ 647.958833][T14786] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 647.958835][T14786] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 647.958836][T14786] ? __dev_get_by_name (net/core/dev.c:905) [ 647.958840][T14786] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 647.958844][T14786] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 647.958846][T14786] rtnl_newlink (net/core/rtnetlink.c:4215) [ 647.958848][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958849][T14786] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 647.958851][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958852][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958853][T14786] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 647.958856][T14786] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 647.958858][T14786] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 647.958860][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958861][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958863][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958864][T14786] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 647.958865][T14786] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 647.958867][T14786] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 647.958869][T14786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 647.958870][T14786] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 647.958874][T14786] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 647.958877][T14786] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 647.958878][T14786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 647.958880][T14786] ? netlink_ack (./include/linux/skbuff.h:2718) [ 647.958881][T14786] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 647.958884][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958885][T14786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 647.958887][T14786] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 647.958889][T14786] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 647.958891][T14786] ? next_uptodate_folio (mm/filemap.c:3747) [ 647.958894][T14786] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 647.958897][T14786] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 647.958899][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958900][T14786] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 647.958904][T14786] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 647.958907][T14786] ____sys_sendmsg (net/socket.c:2713) [ 647.958908][T14786] ? copy_msghdr_from_user (net/socket.c:2650) [ 647.958910][T14786] ? sock_write_iter (net/socket.c:1269) [ 647.958911][T14786] ? move_addr_to_kernel (net/socket.c:258) [ 647.958914][T14786] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 647.958916][T14786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.958918][T14786] ___sys_sendmsg (net/socket.c:2767) [ 647.958919][T14786] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 647.958921][T14786] ? copy_msghdr_from_user (net/socket.c:2619) [ 647.958923][T14786] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 647.958927][T14786] __sys_sendmsg (net/socket.c:2799) [ 647.958929][T14786] ? __sys_sendmsg_sock (net/socket.c:2780) [ 647.958932][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958933][T14786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.958934][T14786] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 647.958937][T14786] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 647.958939][T14786] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 647.958941][T14786] RIP: 0033:0x7fe9dedda54e [ 647.958943][T14786] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 647.958945][T14786] RSP: 002b:00007fff097fbbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 647.958949][T14786] RAX: ffffffffffffffda RBX: 00007fff097fc378 RCX: 00007fe9dedda54e [ 647.958950][T14786] RDX: 0000000000000000 RSI: 00007fff097fbc60 RDI: 0000000000000005 [ 647.958951][T14786] RBP: 00007fff097fbbc0 R08: 0000000000000000 R09: 0000000000000000 [ 647.958952][T14786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169ff [ 647.958953][T14786] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff097fc330 | [ 649.259173][T14855] softirqs last disabled at (0): 0x0 | [ 649.259175][T14855] Preemption disabled at: | [ 649.259175][T14855] vprintk_emit (kernel/printk/printk.c:2471) | [ 649.259186][T14855] Tainted: [W]=WARN [ 649.259187][T14855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 649.259189][T14855] Call Trace: [ 649.259191][T14855] [ 649.259192][T14855] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 649.259198][T14855] ? vprintk_emit (kernel/printk/printk.c:2471) [ 649.259199][T14855] __might_resched.cold (kernel/sched/core.c:9234) [ 649.259203][T14855] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 649.259207][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259209][T14855] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 649.259212][T14855] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.259215][T14855] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 649.259220][T14855] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 649.259222][T14855] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 649.259225][T14855] put_chars (drivers/char/virtio_console.c:1176) [ 649.259226][T14855] ? __send_to_port (drivers/char/virtio_console.c:654) [ 649.259227][T14855] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 649.259230][T14855] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 649.259232][T14855] ? pointer (lib/vsprintf.c:2577) [ 649.259235][T14855] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 649.259240][T14855] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 649.259242][T14855] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.259243][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259246][T14855] console_emit_next_record (kernel/printk/printk.c:3183) [ 649.259249][T14855] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 649.259251][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259252][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259253][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259254][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259256][T14855] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 649.259258][T14855] console_flush_one_record (kernel/printk/printk.c:3268) [ 649.259260][T14855] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 649.259263][T14855] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 649.259265][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259266][T14855] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 649.259268][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259269][T14855] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.259271][T14855] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 649.259272][T14855] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 649.259273][T14855] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 649.259275][T14855] ? vprintk_emit (kernel/printk/printk.c:2478) [ 649.259277][T14855] vprintk_emit (kernel/printk/printk.c:2479) [ 649.259278][T14855] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 649.259280][T14855] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 649.259282][T14855] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 649.259285][T14855] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 649.259287][T14855] _printk (kernel/printk/printk.c:2504) [ 649.259290][T14855] ? snapshot_read.cold (user.c:?) [ 649.259292][T14855] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 649.259295][T14855] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 649.259298][T14855] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 649.259300][T14855] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.259303][T14855] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 649.259305][T14855] ? netdev_notice (net/core/dev.c:13194) [ 649.259307][T14855] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 649.259309][T14855] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 649.259311][T14855] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.259313][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259314][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259315][T14855] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 649.259316][T14855] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 649.259318][T14855] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 649.259319][T14855] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.259321][T14855] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 649.259322][T14855] ? register_netdev (net/core/dev.c:11618) [ 649.259324][T14855] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.259326][T14855] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 649.259328][T14855] ? __kernel_text_address (kernel/extable.c:79) [ 649.259331][T14855] ? write_profile (profile.c:?) [ 649.259334][T14855] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 649.259337][T14855] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.259339][T14855] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 649.259341][T14855] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 649.259342][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259343][T14855] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 649.259347][T14855] ? kasan_save_stack (mm/kasan/common.c:58) [ 649.259349][T14855] ? kasan_save_stack (mm/kasan/common.c:57) [ 649.259350][T14855] ? kasan_save_track (mm/kasan/common.c:78) [ 649.259351][T14855] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 649.259352][T14855] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 649.259353][T14855] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 649.259354][T14855] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 649.259355][T14855] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 649.259359][T14855] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 649.259360][T14855] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 649.259362][T14855] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 649.259364][T14855] ? ____sys_sendmsg (net/socket.c:2713) [ 649.259366][T14855] ? ___sys_sendmsg (net/socket.c:2767) [ 649.259367][T14855] ? __sys_sendmsg (net/socket.c:2799) [ 649.259369][T14855] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 649.259371][T14855] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.259374][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259375][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259376][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259377][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259378][T14855] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 649.259380][T14855] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 649.259381][T14855] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 649.259382][T14855] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 649.259384][T14855] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 649.259385][T14855] ? nla_get_range_signed (lib/nlattr.c:270) [ 649.259388][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259389][T14855] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 649.259392][T14855] rtnl_newlink (net/core/rtnetlink.c:4215) [ 649.259393][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259398][T14855] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 649.259399][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259401][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259402][T14855] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 649.259405][T14855] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 649.259406][T14855] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 649.259408][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259409][T14855] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 649.259412][T14855] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 649.259414][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259415][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259417][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259418][T14855] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 649.259419][T14855] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 649.259421][T14855] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 649.259423][T14855] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 649.259424][T14855] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 649.259427][T14855] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 649.259428][T14855] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 649.259430][T14855] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.259431][T14855] ? netlink_ack (./include/linux/skbuff.h:2718) [ 649.259433][T14855] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 649.259436][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259437][T14855] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.259439][T14855] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 649.259441][T14855] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 649.259443][T14855] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.259445][T14855] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 649.259447][T14855] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 649.259448][T14855] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 649.259450][T14855] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.259452][T14855] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 649.259455][T14855] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 649.259457][T14855] ____sys_sendmsg (net/socket.c:2713) [ 649.259458][T14855] ? copy_msghdr_from_user (net/socket.c:2650) [ 649.259460][T14855] ? sock_write_iter (net/socket.c:1269) [ 649.259462][T14855] ? move_addr_to_kernel (net/socket.c:258) [ 649.259463][T14855] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 649.259466][T14855] ___sys_sendmsg (net/socket.c:2767) [ 649.259468][T14855] ? copy_msghdr_from_user (net/socket.c:2619) [ 649.259472][T14855] __sys_sendmsg (net/socket.c:2799) [ 649.259474][T14855] ? __sys_sendmsg_sock (net/socket.c:2780) [ 649.259477][T14855] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 649.259479][T14855] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.259481][T14855] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 649.259483][T14855] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 649.259485][T14855] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.259486][T14855] RIP: 0033:0x7fd7a483954e [ 649.259488][T14855] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 649.259490][T14855] RSP: 002b:00007fffdc4a8430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 649.259493][T14855] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd7a483954e [ 649.259495][T14855] RDX: 0000000000000000 RSI: 00007fffdc4a84e0 RDI: 0000000000000005 [ 649.259496][T14855] RBP: 00007fffdc4a8440 R08: 0000000000000000 R09: 0000000000000000 [ 649.259496][T14855] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a00 [ 649.259497][T14855] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdc4a8ba0 | [ 650.341019][T14912] softirqs last disabled at (0): 0x0 | [ 650.341020][T14912] Preemption disabled at: | [ 650.341021][T14912] vprintk_emit (kernel/printk/printk.c:2471) | [ 650.341031][T14912] Tainted: [W]=WARN [ 650.341033][T14912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 650.341035][T14912] Call Trace: [ 650.341036][T14912] [ 650.341037][T14912] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 650.341043][T14912] ? vprintk_emit (kernel/printk/printk.c:2471) [ 650.341045][T14912] __might_resched.cold (kernel/sched/core.c:9234) [ 650.341048][T14912] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 650.341051][T14912] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 650.341054][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341057][T14912] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 650.341060][T14912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.341063][T14912] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 650.341068][T14912] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 650.341070][T14912] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 650.341072][T14912] put_chars (drivers/char/virtio_console.c:1176) [ 650.341074][T14912] ? __send_to_port (drivers/char/virtio_console.c:654) [ 650.341076][T14912] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 650.341079][T14912] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 650.341083][T14912] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 650.341085][T14912] ? vsnprintf (lib/vsprintf.c:2900) [ 650.341088][T14912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.341090][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341091][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341093][T14912] console_emit_next_record (kernel/printk/printk.c:3183) [ 650.341096][T14912] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 650.341098][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341099][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341100][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341101][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341103][T14912] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 650.341105][T14912] console_flush_one_record (kernel/printk/printk.c:3268) [ 650.341108][T14912] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 650.341110][T14912] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 650.341112][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341114][T14912] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 650.341116][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341117][T14912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.341118][T14912] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 650.341120][T14912] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 650.341121][T14912] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 650.341123][T14912] ? vprintk_emit (kernel/printk/printk.c:2478) [ 650.341124][T14912] vprintk_emit (kernel/printk/printk.c:2479) [ 650.341126][T14912] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 650.341127][T14912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 650.341129][T14912] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 650.341132][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341134][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341135][T14912] _printk (kernel/printk/printk.c:2504) [ 650.341138][T14912] ? snapshot_read.cold (user.c:?) [ 650.341140][T14912] ? br_multicast_flood (??:?) [ 650.341144][T14912] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 650.341147][T14912] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 650.341148][T14912] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 650.341150][T14912] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 650.341153][T14912] br_init_port (net/bridge/br_stp_if.c:39) [ 650.341155][T14912] new_nbp (net/bridge/br_if.c:449) [ 650.341157][T14912] br_add_if (net/bridge/br_if.c:592) [ 650.341159][T14912] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 650.341163][T14912] do_set_master (net/core/rtnetlink.c:3071) [ 650.341165][T14912] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 650.341167][T14912] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 650.341168][T14912] ? __dev_get_by_name (net/core/dev.c:905) [ 650.341170][T14912] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 650.341174][T14912] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 650.341176][T14912] rtnl_newlink (net/core/rtnetlink.c:4215) [ 650.341178][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341180][T14912] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 650.341181][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341182][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341184][T14912] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 650.341187][T14912] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 650.341188][T14912] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 650.341191][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341192][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341194][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341195][T14912] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 650.341196][T14912] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 650.341198][T14912] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 650.341199][T14912] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 650.341201][T14912] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 650.341205][T14912] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 650.341208][T14912] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 650.341209][T14912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.341211][T14912] ? netlink_ack (./include/linux/skbuff.h:2718) [ 650.341212][T14912] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 650.341215][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341217][T14912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 650.341219][T14912] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 650.341221][T14912] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 650.341223][T14912] ? next_uptodate_folio (mm/filemap.c:3747) [ 650.341226][T14912] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 650.341228][T14912] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 650.341230][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341232][T14912] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 650.341235][T14912] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 650.341238][T14912] ____sys_sendmsg (net/socket.c:2713) [ 650.341240][T14912] ? copy_msghdr_from_user (net/socket.c:2650) [ 650.341242][T14912] ? sock_write_iter (net/socket.c:1269) [ 650.341243][T14912] ? move_addr_to_kernel (net/socket.c:258) [ 650.341246][T14912] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 650.341248][T14912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 650.341250][T14912] ___sys_sendmsg (net/socket.c:2767) [ 650.341252][T14912] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 650.341253][T14912] ? copy_msghdr_from_user (net/socket.c:2619) [ 650.341255][T14912] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 650.341260][T14912] __sys_sendmsg (net/socket.c:2799) [ 650.341262][T14912] ? __sys_sendmsg_sock (net/socket.c:2780) [ 650.341265][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341266][T14912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 650.341267][T14912] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 650.341270][T14912] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 650.341272][T14912] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 650.341274][T14912] RIP: 0033:0x7fa17d9fc54e [ 650.341276][T14912] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 650.341278][T14912] RSP: 002b:00007fffebac8910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 650.341282][T14912] RAX: ffffffffffffffda RBX: 00007fffebac90d8 RCX: 00007fa17d9fc54e [ 650.341283][T14912] RDX: 0000000000000000 RSI: 00007fffebac89c0 RDI: 0000000000000005 [ 650.341284][T14912] RBP: 00007fffebac8920 R08: 0000000000000000 R09: 0000000000000000 [ 650.341285][T14912] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a01 [ 650.341286][T14912] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffebac9090 | [ 656.382648][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 656.382651][ T12] Preemption disabled at: | [ 656.382652][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 656.382663][ T12] Tainted: [W]=WARN [ 656.382664][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 656.382666][ T12] Workqueue: netns cleanup_net [ 656.382672][ T12] Call Trace: [ 656.382674][ T12] [ 656.382675][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 656.382681][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 656.382683][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 656.382686][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 656.382689][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 656.382692][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382694][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 656.382697][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 656.382700][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 656.382705][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 656.382707][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 656.382709][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 656.382711][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 656.382713][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 656.382716][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 656.382721][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 656.382722][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 656.382725][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 656.382726][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382728][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382729][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 656.382732][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 656.382734][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382735][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382737][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382738][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 656.382740][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 656.382742][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 656.382745][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 656.382747][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 656.382749][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 656.382751][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 656.382753][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382754][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 656.382756][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 656.382757][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 656.382759][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 656.382761][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 656.382762][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 656.382764][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 656.382765][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 656.382767][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 656.382770][ T12] ? kthread (kernel/kthread.c:436) [ 656.382772][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 656.382775][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 656.382778][ T12] _printk (kernel/printk/printk.c:2504) [ 656.382781][ T12] ? snapshot_read.cold (user.c:?) [ 656.382783][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 656.382786][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 656.382789][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 656.382791][ T12] ? netdev_notice (net/core/dev.c:13194) [ 656.382795][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382797][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 656.382799][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 656.382803][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 656.382804][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 656.382806][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 656.382808][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 656.382811][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 656.382815][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 656.382817][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 656.382820][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 656.382822][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 656.382824][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 656.382827][ T12] cleanup_net (net/core/net_namespace.c:706) [ 656.382829][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 656.382831][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 656.382833][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 656.382835][ T12] process_one_work (kernel/workqueue.c:3387) [ 656.382840][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 656.382842][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 656.382845][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 656.382848][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 656.382850][ T12] kthread (kernel/kthread.c:436) [ 656.382852][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 656.382854][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 656.382856][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 656.382858][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 656.382860][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 656.382863][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 656.382865][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 657.609236][T15051] softirqs last disabled at (0): 0x0 | [ 657.609238][T15051] Preemption disabled at: | [ 657.609239][T15051] vprintk_emit (kernel/printk/printk.c:2471) | [ 657.609249][T15051] Tainted: [W]=WARN [ 657.609250][T15051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 657.609252][T15051] Call Trace: [ 657.609253][T15051] [ 657.609255][T15051] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 657.609261][T15051] ? vprintk_emit (kernel/printk/printk.c:2471) [ 657.609262][T15051] __might_resched.cold (kernel/sched/core.c:9234) [ 657.609266][T15051] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 657.609268][T15051] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 657.609271][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609274][T15051] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 657.609277][T15051] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.609280][T15051] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 657.609285][T15051] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 657.609286][T15051] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 657.609289][T15051] put_chars (drivers/char/virtio_console.c:1176) [ 657.609291][T15051] ? __send_to_port (drivers/char/virtio_console.c:654) [ 657.609292][T15051] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 657.609295][T15051] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 657.609299][T15051] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 657.609301][T15051] ? vsnprintf (lib/vsprintf.c:2900) [ 657.609304][T15051] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.609306][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609307][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609309][T15051] console_emit_next_record (kernel/printk/printk.c:3183) [ 657.609311][T15051] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 657.609313][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609315][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609316][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609317][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609319][T15051] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 657.609321][T15051] console_flush_one_record (kernel/printk/printk.c:3268) [ 657.609323][T15051] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 657.609326][T15051] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 657.609328][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609330][T15051] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 657.609331][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609332][T15051] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.609334][T15051] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 657.609336][T15051] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 657.609337][T15051] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 657.609339][T15051] ? vprintk_emit (kernel/printk/printk.c:2478) [ 657.609340][T15051] vprintk_emit (kernel/printk/printk.c:2479) [ 657.609342][T15051] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 657.609343][T15051] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.609345][T15051] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 657.609348][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609350][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609351][T15051] _printk (kernel/printk/printk.c:2504) [ 657.609354][T15051] ? snapshot_read.cold (user.c:?) [ 657.609356][T15051] ? br_multicast_flood (??:?) [ 657.609359][T15051] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 657.609362][T15051] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 657.609363][T15051] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 657.609365][T15051] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 657.609368][T15051] br_init_port (net/bridge/br_stp_if.c:39) [ 657.609369][T15051] new_nbp (net/bridge/br_if.c:449) [ 657.609372][T15051] br_add_if (net/bridge/br_if.c:592) [ 657.609373][T15051] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 657.609378][T15051] do_set_master (net/core/rtnetlink.c:3071) [ 657.609379][T15051] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 657.609381][T15051] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 657.609382][T15051] ? __dev_get_by_name (net/core/dev.c:905) [ 657.609384][T15051] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 657.609388][T15051] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 657.609391][T15051] rtnl_newlink (net/core/rtnetlink.c:4215) [ 657.609393][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609394][T15051] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 657.609395][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609397][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609398][T15051] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 657.609401][T15051] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 657.609402][T15051] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 657.609405][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609406][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609407][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609408][T15051] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 657.609410][T15051] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 657.609411][T15051] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 657.609417][T15051] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 657.609418][T15051] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 657.609422][T15051] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 657.609425][T15051] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 657.609427][T15051] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.609428][T15051] ? netlink_ack (./include/linux/skbuff.h:2718) [ 657.609430][T15051] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 657.609433][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609434][T15051] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.609436][T15051] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 657.609438][T15051] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 657.609440][T15051] ? next_uptodate_folio (mm/filemap.c:3747) [ 657.609444][T15051] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 657.609446][T15051] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 657.609448][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609449][T15051] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 657.609453][T15051] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 657.609456][T15051] ____sys_sendmsg (net/socket.c:2713) [ 657.609457][T15051] ? copy_msghdr_from_user (net/socket.c:2650) [ 657.609459][T15051] ? sock_write_iter (net/socket.c:1269) [ 657.609460][T15051] ? move_addr_to_kernel (net/socket.c:258) [ 657.609463][T15051] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 657.609465][T15051] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.609467][T15051] ___sys_sendmsg (net/socket.c:2767) [ 657.609469][T15051] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 657.609471][T15051] ? copy_msghdr_from_user (net/socket.c:2619) [ 657.609472][T15051] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 657.609477][T15051] __sys_sendmsg (net/socket.c:2799) [ 657.609479][T15051] ? __sys_sendmsg_sock (net/socket.c:2780) [ 657.609482][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609483][T15051] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.609484][T15051] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 657.609487][T15051] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 657.609489][T15051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 657.609491][T15051] RIP: 0033:0x7f2c1c73554e [ 657.609493][T15051] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 657.609494][T15051] RSP: 002b:00007ffd327d8850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 657.609498][T15051] RAX: ffffffffffffffda RBX: 00007ffd327d9018 RCX: 00007f2c1c73554e [ 657.609500][T15051] RDX: 0000000000000000 RSI: 00007ffd327d8900 RDI: 0000000000000005 [ 657.609501][T15051] RBP: 00007ffd327d8860 R08: 0000000000000000 R09: 0000000000000000 [ 657.609501][T15051] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a09 [ 657.609502][T15051] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd327d8fd0 | [ 658.900920][T15120] softirqs last disabled at (0): 0x0 | [ 658.900922][T15120] Preemption disabled at: | [ 658.900923][T15120] vprintk_emit (kernel/printk/printk.c:2471) | [ 658.900933][T15120] Tainted: [W]=WARN [ 658.900934][T15120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 658.900936][T15120] Call Trace: [ 658.900937][T15120] [ 658.900938][T15120] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 658.900944][T15120] ? vprintk_emit (kernel/printk/printk.c:2471) [ 658.900945][T15120] __might_resched.cold (kernel/sched/core.c:9234) [ 658.900949][T15120] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 658.900952][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.900955][T15120] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 658.900958][T15120] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.900961][T15120] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 658.900966][T15120] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 658.900968][T15120] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 658.900971][T15120] put_chars (drivers/char/virtio_console.c:1176) [ 658.900972][T15120] ? __send_to_port (drivers/char/virtio_console.c:654) [ 658.900973][T15120] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 658.900976][T15120] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 658.900978][T15120] ? pointer (lib/vsprintf.c:2577) [ 658.900981][T15120] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 658.900986][T15120] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 658.900988][T15120] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.900990][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.900992][T15120] console_emit_next_record (kernel/printk/printk.c:3183) [ 658.900995][T15120] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 658.900997][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.900998][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.900999][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901001][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.901003][T15120] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 658.901004][T15120] console_flush_one_record (kernel/printk/printk.c:3268) [ 658.901007][T15120] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 658.901010][T15120] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 658.901012][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.901013][T15120] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 658.901015][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901016][T15120] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.901018][T15120] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 658.901019][T15120] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 658.901020][T15120] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 658.901023][T15120] ? vprintk_emit (kernel/printk/printk.c:2478) [ 658.901024][T15120] vprintk_emit (kernel/printk/printk.c:2479) [ 658.901026][T15120] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 658.901027][T15120] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 658.901029][T15120] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 658.901032][T15120] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 658.901035][T15120] _printk (kernel/printk/printk.c:2504) [ 658.901038][T15120] ? snapshot_read.cold (user.c:?) [ 658.901040][T15120] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 658.901042][T15120] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 658.901045][T15120] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 658.901048][T15120] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 658.901052][T15120] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 658.901055][T15120] ? netdev_notice (net/core/dev.c:13194) [ 658.901057][T15120] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 658.901059][T15120] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 658.901061][T15120] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.901063][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901064][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901065][T15120] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 658.901067][T15120] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 658.901068][T15120] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 658.901069][T15120] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 658.901071][T15120] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 658.901073][T15120] ? register_netdev (net/core/dev.c:11618) [ 658.901074][T15120] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.901076][T15120] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 658.901079][T15120] ? __kernel_text_address (kernel/extable.c:79) [ 658.901081][T15120] ? write_profile (profile.c:?) [ 658.901084][T15120] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 658.901088][T15120] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 658.901090][T15120] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 658.901091][T15120] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 658.901093][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901094][T15120] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 658.901097][T15120] ? kasan_save_stack (mm/kasan/common.c:58) [ 658.901099][T15120] ? kasan_save_stack (mm/kasan/common.c:57) [ 658.901100][T15120] ? kasan_save_track (mm/kasan/common.c:78) [ 658.901101][T15120] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 658.901102][T15120] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 658.901103][T15120] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 658.901104][T15120] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 658.901106][T15120] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 658.901109][T15120] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 658.901110][T15120] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 658.901112][T15120] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 658.901114][T15120] ? ____sys_sendmsg (net/socket.c:2713) [ 658.901115][T15120] ? ___sys_sendmsg (net/socket.c:2767) [ 658.901117][T15120] ? __sys_sendmsg (net/socket.c:2799) [ 658.901119][T15120] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 658.901121][T15120] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.901124][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901125][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.901126][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901127][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901128][T15120] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 658.901130][T15120] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 658.901131][T15120] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 658.901132][T15120] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 658.901134][T15120] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 658.901135][T15120] ? nla_get_range_signed (lib/nlattr.c:270) [ 658.901138][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901140][T15120] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 658.901142][T15120] rtnl_newlink (net/core/rtnetlink.c:4215) [ 658.901144][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901145][T15120] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 658.901146][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.901147][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901149][T15120] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 658.901151][T15120] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 658.901153][T15120] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 658.901154][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901155][T15120] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 658.901158][T15120] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 658.901161][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901162][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.901163][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901165][T15120] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 658.901166][T15120] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 658.901168][T15120] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 658.901169][T15120] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 658.901171][T15120] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 658.901173][T15120] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 658.901175][T15120] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 658.901176][T15120] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.901177][T15120] ? netlink_ack (./include/linux/skbuff.h:2718) [ 658.901179][T15120] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 658.901182][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901183][T15120] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.901185][T15120] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 658.901187][T15120] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 658.901189][T15120] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.901191][T15120] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 658.901193][T15120] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 658.901195][T15120] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 658.901196][T15120] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.901198][T15120] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 658.901201][T15120] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 658.901203][T15120] ____sys_sendmsg (net/socket.c:2713) [ 658.901205][T15120] ? copy_msghdr_from_user (net/socket.c:2650) [ 658.901206][T15120] ? sock_write_iter (net/socket.c:1269) [ 658.901208][T15120] ? move_addr_to_kernel (net/socket.c:258) [ 658.901209][T15120] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 658.901212][T15120] ___sys_sendmsg (net/socket.c:2767) [ 658.901214][T15120] ? copy_msghdr_from_user (net/socket.c:2619) [ 658.901218][T15120] __sys_sendmsg (net/socket.c:2799) [ 658.901220][T15120] ? __sys_sendmsg_sock (net/socket.c:2780) [ 658.901223][T15120] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.901225][T15120] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 658.901226][T15120] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 658.901228][T15120] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.901230][T15120] RIP: 0033:0x7fba3fbf054e [ 658.901231][T15120] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 658.901233][T15120] RSP: 002b:00007ffcec9ce230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 658.901237][T15120] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fba3fbf054e [ 658.901238][T15120] RDX: 0000000000000000 RSI: 00007ffcec9ce2e0 RDI: 0000000000000005 [ 658.901239][T15120] RBP: 00007ffcec9ce240 R08: 0000000000000000 R09: 0000000000000000 [ 658.901240][T15120] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a0a [ 658.901241][T15120] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcec9ce9a0 | [ 659.977813][T15177] softirqs last disabled at (0): 0x0 | [ 659.977815][T15177] Preemption disabled at: | [ 659.977816][T15177] vprintk_emit (kernel/printk/printk.c:2471) | [ 659.977826][T15177] Tainted: [W]=WARN [ 659.977827][T15177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 659.977829][T15177] Call Trace: [ 659.977830][T15177] [ 659.977831][T15177] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 659.977837][T15177] ? vprintk_emit (kernel/printk/printk.c:2471) [ 659.977841][T15177] __might_resched.cold (kernel/sched/core.c:9234) [ 659.977845][T15177] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 659.977847][T15177] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 659.977850][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977853][T15177] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 659.977856][T15177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.977859][T15177] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 659.977864][T15177] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 659.977866][T15177] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 659.977868][T15177] put_chars (drivers/char/virtio_console.c:1176) [ 659.977870][T15177] ? __send_to_port (drivers/char/virtio_console.c:654) [ 659.977872][T15177] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 659.977874][T15177] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 659.977879][T15177] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 659.977881][T15177] ? vsnprintf (lib/vsprintf.c:2900) [ 659.977884][T15177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.977886][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977887][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977889][T15177] console_emit_next_record (kernel/printk/printk.c:3183) [ 659.977891][T15177] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 659.977893][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977894][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977895][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977896][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.977899][T15177] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 659.977901][T15177] console_flush_one_record (kernel/printk/printk.c:3268) [ 659.977903][T15177] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 659.977906][T15177] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 659.977908][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.977909][T15177] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 659.977911][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977912][T15177] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.977914][T15177] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 659.977915][T15177] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 659.977917][T15177] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 659.977919][T15177] ? vprintk_emit (kernel/printk/printk.c:2478) [ 659.977920][T15177] vprintk_emit (kernel/printk/printk.c:2479) [ 659.977922][T15177] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 659.977923][T15177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.977925][T15177] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 659.977928][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.977929][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977931][T15177] _printk (kernel/printk/printk.c:2504) [ 659.977934][T15177] ? snapshot_read.cold (user.c:?) [ 659.977936][T15177] ? br_multicast_flood (??:?) [ 659.977939][T15177] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 659.977942][T15177] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 659.977943][T15177] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 659.977945][T15177] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 659.977948][T15177] br_init_port (net/bridge/br_stp_if.c:39) [ 659.977950][T15177] new_nbp (net/bridge/br_if.c:449) [ 659.977952][T15177] br_add_if (net/bridge/br_if.c:592) [ 659.977954][T15177] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 659.977958][T15177] do_set_master (net/core/rtnetlink.c:3071) [ 659.977960][T15177] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 659.977962][T15177] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 659.977963][T15177] ? __dev_get_by_name (net/core/dev.c:905) [ 659.977965][T15177] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 659.977969][T15177] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 659.977971][T15177] rtnl_newlink (net/core/rtnetlink.c:4215) [ 659.977973][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977974][T15177] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 659.977975][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.977977][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977978][T15177] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 659.977981][T15177] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 659.977983][T15177] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 659.977985][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977986][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.977988][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.977989][T15177] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 659.977990][T15177] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 659.977992][T15177] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 659.977993][T15177] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 659.977995][T15177] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 659.977999][T15177] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 659.978002][T15177] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 659.978003][T15177] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.978005][T15177] ? netlink_ack (./include/linux/skbuff.h:2718) [ 659.978006][T15177] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 659.978009][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.978011][T15177] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.978013][T15177] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 659.978015][T15177] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 659.978017][T15177] ? next_uptodate_folio (mm/filemap.c:3747) [ 659.978020][T15177] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 659.978022][T15177] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 659.978024][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.978026][T15177] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 659.978029][T15177] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 659.978032][T15177] ____sys_sendmsg (net/socket.c:2713) [ 659.978034][T15177] ? copy_msghdr_from_user (net/socket.c:2650) [ 659.978036][T15177] ? sock_write_iter (net/socket.c:1269) [ 659.978037][T15177] ? move_addr_to_kernel (net/socket.c:258) [ 659.978039][T15177] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 659.978042][T15177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.978044][T15177] ___sys_sendmsg (net/socket.c:2767) [ 659.978045][T15177] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 659.978047][T15177] ? copy_msghdr_from_user (net/socket.c:2619) [ 659.978049][T15177] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 659.978053][T15177] __sys_sendmsg (net/socket.c:2799) [ 659.978055][T15177] ? __sys_sendmsg_sock (net/socket.c:2780) [ 659.978058][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.978059][T15177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.978060][T15177] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 659.978063][T15177] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 659.978065][T15177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.978067][T15177] RIP: 0033:0x7fe4ca76654e [ 659.978069][T15177] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 659.978071][T15177] RSP: 002b:00007fff98d52fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 659.978074][T15177] RAX: ffffffffffffffda RBX: 00007fff98d53788 RCX: 00007fe4ca76654e [ 659.978076][T15177] RDX: 0000000000000000 RSI: 00007fff98d53070 RDI: 0000000000000005 [ 659.978077][T15177] RBP: 00007fff98d52fd0 R08: 0000000000000000 R09: 0000000000000000 [ 659.978078][T15177] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a0b [ 659.978078][T15177] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff98d53740 | [ 669.374929][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 669.374931][ T12] Preemption disabled at: | [ 669.374932][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 669.374942][ T12] Tainted: [W]=WARN [ 669.374943][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 669.374944][ T12] Workqueue: netns cleanup_net [ 669.374950][ T12] Call Trace: [ 669.374952][ T12] [ 669.374953][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 669.374959][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 669.374961][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 669.374964][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 669.374966][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 669.374970][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.374972][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 669.374975][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.374978][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 669.374983][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 669.374985][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 669.374987][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 669.374989][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 669.374991][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 669.374993][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 669.374998][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 669.374999][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 669.375002][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.375004][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375005][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375007][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 669.375009][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 669.375011][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375012][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375013][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375014][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.375017][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 669.375018][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 669.375021][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 669.375024][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 669.375026][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.375027][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 669.375029][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375030][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 669.375032][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 669.375033][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 669.375035][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 669.375037][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 669.375038][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 669.375040][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 669.375041][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 669.375043][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 669.375046][ T12] ? kthread (kernel/kthread.c:436) [ 669.375048][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 669.375051][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 669.375054][ T12] _printk (kernel/printk/printk.c:2504) [ 669.375057][ T12] ? snapshot_read.cold (user.c:?) [ 669.375059][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 669.375062][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 669.375064][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 669.375066][ T12] ? netdev_notice (net/core/dev.c:13194) [ 669.375069][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375070][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 669.375071][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 669.375074][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 669.375076][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 669.375077][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 669.375079][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 669.375082][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 669.375086][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 669.375088][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 669.375091][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 669.375093][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 669.375095][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 669.375098][ T12] cleanup_net (net/core/net_namespace.c:706) [ 669.375099][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 669.375101][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.375103][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.375105][ T12] process_one_work (kernel/workqueue.c:3387) [ 669.375108][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 669.375110][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.375113][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 669.375116][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 669.375117][ T12] kthread (kernel/kthread.c:436) [ 669.375119][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 669.375121][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 669.375123][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 669.375125][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 669.375127][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 669.375130][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 669.375132][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 670.572485][T15433] softirqs last disabled at (0): 0x0 | [ 670.572486][T15433] Preemption disabled at: | [ 670.572487][T15433] vprintk_emit (kernel/printk/printk.c:2471) | [ 670.572498][T15433] Tainted: [W]=WARN [ 670.572499][T15433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 670.572500][T15433] Call Trace: [ 670.572502][T15433] [ 670.572503][T15433] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 670.572509][T15433] ? vprintk_emit (kernel/printk/printk.c:2471) [ 670.572510][T15433] __might_resched.cold (kernel/sched/core.c:9234) [ 670.572514][T15433] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 670.572516][T15433] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 670.572519][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572522][T15433] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 670.572524][T15433] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.572527][T15433] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 670.572532][T15433] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 670.572534][T15433] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 670.572537][T15433] put_chars (drivers/char/virtio_console.c:1176) [ 670.572538][T15433] ? __send_to_port (drivers/char/virtio_console.c:654) [ 670.572540][T15433] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 670.572543][T15433] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 670.572547][T15433] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 670.572549][T15433] ? vsnprintf (lib/vsprintf.c:2900) [ 670.572552][T15433] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.572554][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572555][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572556][T15433] console_emit_next_record (kernel/printk/printk.c:3183) [ 670.572559][T15433] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 670.572561][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572562][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572563][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572564][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572567][T15433] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 670.572568][T15433] console_flush_one_record (kernel/printk/printk.c:3268) [ 670.572571][T15433] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 670.572573][T15433] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 670.572575][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572577][T15433] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 670.572579][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572580][T15433] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.572581][T15433] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 670.572583][T15433] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 670.572584][T15433] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 670.572586][T15433] ? vprintk_emit (kernel/printk/printk.c:2478) [ 670.572587][T15433] vprintk_emit (kernel/printk/printk.c:2479) [ 670.572589][T15433] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 670.572590][T15433] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.572592][T15433] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 670.572595][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572596][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572598][T15433] _printk (kernel/printk/printk.c:2504) [ 670.572601][T15433] ? snapshot_read.cold (user.c:?) [ 670.572603][T15433] ? br_multicast_flood (??:?) [ 670.572606][T15433] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 670.572609][T15433] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 670.572610][T15433] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 670.572611][T15433] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 670.572614][T15433] br_init_port (net/bridge/br_stp_if.c:39) [ 670.572616][T15433] new_nbp (net/bridge/br_if.c:449) [ 670.572618][T15433] br_add_if (net/bridge/br_if.c:592) [ 670.572620][T15433] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 670.572624][T15433] do_set_master (net/core/rtnetlink.c:3071) [ 670.572625][T15433] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 670.572627][T15433] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 670.572629][T15433] ? __dev_get_by_name (net/core/dev.c:905) [ 670.572630][T15433] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 670.572634][T15433] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 670.572637][T15433] rtnl_newlink (net/core/rtnetlink.c:4215) [ 670.572639][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572640][T15433] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 670.572641][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572643][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572644][T15433] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 670.572646][T15433] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 670.572648][T15433] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 670.572651][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572652][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572653][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572655][T15433] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 670.572656][T15433] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 670.572658][T15433] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 670.572659][T15433] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 670.572660][T15433] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 670.572664][T15433] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 670.572667][T15433] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 670.572668][T15433] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.572670][T15433] ? netlink_ack (./include/linux/skbuff.h:2718) [ 670.572672][T15433] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 670.572675][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572676][T15433] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.572678][T15433] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 670.572680][T15433] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 670.572682][T15433] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 670.572685][T15433] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 670.572688][T15433] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 670.572690][T15433] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 670.572692][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572693][T15433] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 670.572697][T15433] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 670.572700][T15433] ____sys_sendmsg (net/socket.c:2713) [ 670.572701][T15433] ? copy_msghdr_from_user (net/socket.c:2650) [ 670.572703][T15433] ? sock_write_iter (net/socket.c:1269) [ 670.572704][T15433] ? move_addr_to_kernel (net/socket.c:258) [ 670.572706][T15433] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 670.572709][T15433] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.572711][T15433] ___sys_sendmsg (net/socket.c:2767) [ 670.572712][T15433] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 670.572714][T15433] ? copy_msghdr_from_user (net/socket.c:2619) [ 670.572716][T15433] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 670.572720][T15433] __sys_sendmsg (net/socket.c:2799) [ 670.572723][T15433] ? __sys_sendmsg_sock (net/socket.c:2780) [ 670.572725][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572726][T15433] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.572728][T15433] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 670.572730][T15433] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 670.572732][T15433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 670.572734][T15433] RIP: 0033:0x7f2974cf054e [ 670.572736][T15433] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 670.572738][T15433] RSP: 002b:00007fff59c41330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 670.572742][T15433] RAX: ffffffffffffffda RBX: 00007fff59c41af8 RCX: 00007f2974cf054e [ 670.572744][T15433] RDX: 0000000000000000 RSI: 00007fff59c413e0 RDI: 0000000000000005 [ 670.572745][T15433] RBP: 00007fff59c41340 R08: 0000000000000000 R09: 0000000000000000 [ 670.572746][T15433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a15 [ 670.572747][T15433] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff59c41ab0 | [ 671.875025][T15501] softirqs last disabled at (0): 0x0 | [ 671.875027][T15501] Preemption disabled at: | [ 671.875028][T15501] vprintk_emit (kernel/printk/printk.c:2471) | [ 671.875038][T15501] Tainted: [W]=WARN [ 671.875039][T15501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 671.875041][T15501] Call Trace: [ 671.875042][T15501] [ 671.875043][T15501] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 671.875049][T15501] ? vprintk_emit (kernel/printk/printk.c:2471) [ 671.875050][T15501] __might_resched.cold (kernel/sched/core.c:9234) [ 671.875054][T15501] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 671.875058][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875060][T15501] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 671.875063][T15501] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 671.875066][T15501] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 671.875071][T15501] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 671.875073][T15501] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 671.875075][T15501] put_chars (drivers/char/virtio_console.c:1176) [ 671.875077][T15501] ? __send_to_port (drivers/char/virtio_console.c:654) [ 671.875078][T15501] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 671.875080][T15501] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 671.875082][T15501] ? pointer (lib/vsprintf.c:2577) [ 671.875086][T15501] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 671.875090][T15501] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 671.875092][T15501] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 671.875094][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875096][T15501] console_emit_next_record (kernel/printk/printk.c:3183) [ 671.875099][T15501] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 671.875101][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875102][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875103][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875104][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875106][T15501] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 671.875108][T15501] console_flush_one_record (kernel/printk/printk.c:3268) [ 671.875111][T15501] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 671.875113][T15501] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 671.875115][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875117][T15501] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 671.875118][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875119][T15501] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.875121][T15501] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 671.875122][T15501] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 671.875124][T15501] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 671.875126][T15501] ? vprintk_emit (kernel/printk/printk.c:2478) [ 671.875127][T15501] vprintk_emit (kernel/printk/printk.c:2479) [ 671.875129][T15501] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 671.875130][T15501] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 671.875133][T15501] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 671.875135][T15501] _printk (kernel/printk/printk.c:2504) [ 671.875138][T15501] ? snapshot_read.cold (user.c:?) [ 671.875140][T15501] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 671.875142][T15501] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 671.875146][T15501] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 671.875148][T15501] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 671.875151][T15501] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 671.875153][T15501] ? netdev_notice (net/core/dev.c:13194) [ 671.875155][T15501] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 671.875157][T15501] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 671.875159][T15501] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 671.875161][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875162][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875163][T15501] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 671.875166][T15501] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 671.875168][T15501] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 671.875169][T15501] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 671.875170][T15501] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 671.875172][T15501] ? register_netdev (net/core/dev.c:11618) [ 671.875174][T15501] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.875176][T15501] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 671.875178][T15501] ? __kernel_text_address (kernel/extable.c:79) [ 671.875181][T15501] ? write_profile (profile.c:?) [ 671.875183][T15501] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 671.875187][T15501] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 671.875189][T15501] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 671.875190][T15501] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 671.875191][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875192][T15501] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 671.875196][T15501] ? kasan_save_stack (mm/kasan/common.c:58) [ 671.875198][T15501] ? kasan_save_stack (mm/kasan/common.c:57) [ 671.875199][T15501] ? kasan_save_track (mm/kasan/common.c:78) [ 671.875200][T15501] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 671.875201][T15501] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 671.875202][T15501] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 671.875203][T15501] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 671.875204][T15501] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 671.875207][T15501] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 671.875209][T15501] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 671.875210][T15501] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 671.875213][T15501] ? ____sys_sendmsg (net/socket.c:2713) [ 671.875214][T15501] ? ___sys_sendmsg (net/socket.c:2767) [ 671.875215][T15501] ? __sys_sendmsg (net/socket.c:2799) [ 671.875217][T15501] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 671.875219][T15501] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 671.875222][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875223][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875224][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875225][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875227][T15501] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 671.875228][T15501] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 671.875229][T15501] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 671.875231][T15501] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 671.875232][T15501] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 671.875233][T15501] ? nla_get_range_signed (lib/nlattr.c:270) [ 671.875236][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875238][T15501] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 671.875240][T15501] rtnl_newlink (net/core/rtnetlink.c:4215) [ 671.875242][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875243][T15501] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 671.875244][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875246][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875247][T15501] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 671.875250][T15501] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 671.875251][T15501] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 671.875253][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875254][T15501] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 671.875257][T15501] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 671.875259][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875260][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875262][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875263][T15501] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 671.875265][T15501] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 671.875266][T15501] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 671.875268][T15501] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 671.875269][T15501] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 671.875271][T15501] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 671.875273][T15501] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 671.875274][T15501] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.875276][T15501] ? netlink_ack (./include/linux/skbuff.h:2718) [ 671.875278][T15501] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 671.875281][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875282][T15501] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 671.875284][T15501] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 671.875286][T15501] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 671.875288][T15501] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 671.875290][T15501] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 671.875292][T15501] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 671.875293][T15501] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 671.875295][T15501] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 671.875296][T15501] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 671.875299][T15501] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 671.875301][T15501] ____sys_sendmsg (net/socket.c:2713) [ 671.875303][T15501] ? copy_msghdr_from_user (net/socket.c:2650) [ 671.875305][T15501] ? sock_write_iter (net/socket.c:1269) [ 671.875306][T15501] ? move_addr_to_kernel (net/socket.c:258) [ 671.875307][T15501] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 671.875310][T15501] ___sys_sendmsg (net/socket.c:2767) [ 671.875312][T15501] ? copy_msghdr_from_user (net/socket.c:2619) [ 671.875317][T15501] __sys_sendmsg (net/socket.c:2799) [ 671.875318][T15501] ? __sys_sendmsg_sock (net/socket.c:2780) [ 671.875321][T15501] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 671.875323][T15501] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 671.875325][T15501] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 671.875327][T15501] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 671.875328][T15501] RIP: 0033:0x7fe280f2354e [ 671.875330][T15501] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 671.875332][T15501] RSP: 002b:00007ffdc210ee40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 671.875335][T15501] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe280f2354e [ 671.875337][T15501] RDX: 0000000000000000 RSI: 00007ffdc210eef0 RDI: 0000000000000005 [ 671.875338][T15501] RBP: 00007ffdc210ee50 R08: 0000000000000000 R09: 0000000000000000 [ 671.875339][T15501] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a17 [ 671.875340][T15501] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc210f5b0 | [ 672.937857][T15559] softirqs last disabled at (0): 0x0 | [ 672.937859][T15559] Preemption disabled at: | [ 672.937860][T15559] vprintk_emit (kernel/printk/printk.c:2471) | [ 672.937869][T15559] Tainted: [W]=WARN [ 672.937871][T15559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 672.937873][T15559] Call Trace: [ 672.937875][T15559] [ 672.937876][T15559] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 672.937881][T15559] ? vprintk_emit (kernel/printk/printk.c:2471) [ 672.937883][T15559] __might_resched.cold (kernel/sched/core.c:9234) [ 672.937887][T15559] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 672.937889][T15559] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 672.937893][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937895][T15559] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 672.937898][T15559] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 672.937901][T15559] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 672.937906][T15559] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 672.937908][T15559] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 672.937911][T15559] put_chars (drivers/char/virtio_console.c:1176) [ 672.937913][T15559] ? __send_to_port (drivers/char/virtio_console.c:654) [ 672.937914][T15559] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 672.937917][T15559] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 672.937921][T15559] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 672.937923][T15559] ? vsnprintf (lib/vsprintf.c:2900) [ 672.937926][T15559] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 672.937928][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937929][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937931][T15559] console_emit_next_record (kernel/printk/printk.c:3183) [ 672.937933][T15559] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 672.937936][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937937][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937938][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937939][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.937941][T15559] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 672.937943][T15559] console_flush_one_record (kernel/printk/printk.c:3268) [ 672.937945][T15559] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 672.937948][T15559] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 672.937950][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.937952][T15559] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 672.937953][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937954][T15559] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 672.937956][T15559] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 672.937957][T15559] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 672.937959][T15559] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 672.937961][T15559] ? vprintk_emit (kernel/printk/printk.c:2478) [ 672.937962][T15559] vprintk_emit (kernel/printk/printk.c:2479) [ 672.937964][T15559] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 672.937965][T15559] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 672.937967][T15559] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 672.937970][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.937972][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.937973][T15559] _printk (kernel/printk/printk.c:2504) [ 672.937976][T15559] ? snapshot_read.cold (user.c:?) [ 672.937978][T15559] ? br_multicast_flood (??:?) [ 672.937981][T15559] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 672.937984][T15559] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 672.937985][T15559] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 672.937987][T15559] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 672.937990][T15559] br_init_port (net/bridge/br_stp_if.c:39) [ 672.937992][T15559] new_nbp (net/bridge/br_if.c:449) [ 672.937994][T15559] br_add_if (net/bridge/br_if.c:592) [ 672.937996][T15559] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 672.938000][T15559] do_set_master (net/core/rtnetlink.c:3071) [ 672.938002][T15559] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 672.938004][T15559] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 672.938005][T15559] ? __dev_get_by_name (net/core/dev.c:905) [ 672.938007][T15559] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 672.938011][T15559] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 672.938013][T15559] rtnl_newlink (net/core/rtnetlink.c:4215) [ 672.938015][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938017][T15559] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 672.938018][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.938019][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938021][T15559] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 672.938023][T15559] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 672.938025][T15559] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 672.938028][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938029][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.938031][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938032][T15559] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 672.938033][T15559] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 672.938035][T15559] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 672.938036][T15559] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 672.938038][T15559] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 672.938041][T15559] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 672.938045][T15559] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 672.938046][T15559] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 672.938048][T15559] ? netlink_ack (./include/linux/skbuff.h:2718) [ 672.938049][T15559] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 672.938052][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938054][T15559] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 672.938056][T15559] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 672.938058][T15559] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 672.938060][T15559] ? next_uptodate_folio (mm/filemap.c:3747) [ 672.938063][T15559] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 672.938065][T15559] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 672.938067][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.938068][T15559] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 672.938072][T15559] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 672.938075][T15559] ____sys_sendmsg (net/socket.c:2713) [ 672.938076][T15559] ? copy_msghdr_from_user (net/socket.c:2650) [ 672.938078][T15559] ? sock_write_iter (net/socket.c:1269) [ 672.938079][T15559] ? move_addr_to_kernel (net/socket.c:258) [ 672.938082][T15559] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 672.938084][T15559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 672.938086][T15559] ___sys_sendmsg (net/socket.c:2767) [ 672.938088][T15559] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 672.938089][T15559] ? copy_msghdr_from_user (net/socket.c:2619) [ 672.938091][T15559] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 672.938096][T15559] __sys_sendmsg (net/socket.c:2799) [ 672.938098][T15559] ? __sys_sendmsg_sock (net/socket.c:2780) [ 672.938100][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938101][T15559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 672.938103][T15559] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 672.938105][T15559] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 672.938107][T15559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 672.938109][T15559] RIP: 0033:0x7fd452d3b54e [ 672.938111][T15559] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 672.938113][T15559] RSP: 002b:00007ffedb911a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 672.938117][T15559] RAX: ffffffffffffffda RBX: 00007ffedb912228 RCX: 00007fd452d3b54e [ 672.938118][T15559] RDX: 0000000000000000 RSI: 00007ffedb911b10 RDI: 0000000000000005 [ 672.938119][T15559] RBP: 00007ffedb911a70 R08: 0000000000000000 R09: 0000000000000000 [ 672.938120][T15559] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a18 [ 672.938121][T15559] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedb9121e0 | [ 682.327644][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 682.327646][ T12] Preemption disabled at: | [ 682.327647][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 682.327657][ T12] Tainted: [W]=WARN [ 682.327658][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 682.327660][ T12] Workqueue: netns cleanup_net [ 682.327665][ T12] Call Trace: [ 682.327667][ T12] [ 682.327669][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 682.327674][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 682.327676][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 682.327679][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 682.327681][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 682.327685][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327687][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 682.327690][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 682.327693][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 682.327698][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 682.327700][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 682.327702][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 682.327704][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 682.327706][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 682.327709][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 682.327713][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 682.327715][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 682.327717][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 682.327719][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327720][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327722][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 682.327725][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 682.327727][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327728][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327729][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327730][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 682.327732][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 682.327734][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 682.327737][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 682.327740][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 682.327742][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 682.327743][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 682.327745][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327746][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 682.327748][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 682.327749][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 682.327751][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 682.327753][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 682.327754][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 682.327756][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 682.327757][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 682.327758][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 682.327761][ T12] ? kthread (kernel/kthread.c:436) [ 682.327763][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 682.327766][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 682.327769][ T12] _printk (kernel/printk/printk.c:2504) [ 682.327772][ T12] ? snapshot_read.cold (user.c:?) [ 682.327774][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 682.327777][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 682.327779][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 682.327782][ T12] ? netdev_notice (net/core/dev.c:13194) [ 682.327784][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327785][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 682.327787][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 682.327790][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 682.327791][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 682.327793][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 682.327795][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 682.327797][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 682.327801][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 682.327804][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 682.327806][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 682.327808][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 682.327810][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 682.327813][ T12] cleanup_net (net/core/net_namespace.c:706) [ 682.327815][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 682.327817][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 682.327819][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 682.327820][ T12] process_one_work (kernel/workqueue.c:3387) [ 682.327823][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 682.327826][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 682.327828][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 682.327831][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 682.327833][ T12] kthread (kernel/kthread.c:436) [ 682.327835][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 682.327841][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 682.327843][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 682.327845][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 682.327847][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 682.327850][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 682.327852][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 683.511892][T15816] softirqs last disabled at (0): 0x0 | [ 683.511894][T15816] Preemption disabled at: | [ 683.511895][T15816] vprintk_emit (kernel/printk/printk.c:2471) | [ 683.511905][T15816] Tainted: [W]=WARN [ 683.511906][T15816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 683.511907][T15816] Call Trace: [ 683.511909][T15816] [ 683.511910][T15816] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 683.511917][T15816] ? vprintk_emit (kernel/printk/printk.c:2471) [ 683.511918][T15816] __might_resched.cold (kernel/sched/core.c:9234) [ 683.511921][T15816] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 683.511924][T15816] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 683.511927][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511930][T15816] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 683.511933][T15816] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 683.511936][T15816] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 683.511941][T15816] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 683.511943][T15816] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 683.511945][T15816] put_chars (drivers/char/virtio_console.c:1176) [ 683.511947][T15816] ? __send_to_port (drivers/char/virtio_console.c:654) [ 683.511949][T15816] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 683.511951][T15816] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 683.511956][T15816] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 683.511958][T15816] ? vsnprintf (lib/vsprintf.c:2900) [ 683.511961][T15816] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 683.511963][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511964][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511966][T15816] console_emit_next_record (kernel/printk/printk.c:3183) [ 683.511969][T15816] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 683.511971][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511972][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511973][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511974][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.511976][T15816] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 683.511978][T15816] console_flush_one_record (kernel/printk/printk.c:3268) [ 683.511980][T15816] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 683.511983][T15816] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 683.511985][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.511987][T15816] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 683.511989][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.511990][T15816] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 683.511991][T15816] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 683.511993][T15816] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 683.511994][T15816] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 683.511996][T15816] ? vprintk_emit (kernel/printk/printk.c:2478) [ 683.511997][T15816] vprintk_emit (kernel/printk/printk.c:2479) [ 683.511999][T15816] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 683.512000][T15816] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 683.512002][T15816] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 683.512005][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.512006][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512008][T15816] _printk (kernel/printk/printk.c:2504) [ 683.512011][T15816] ? snapshot_read.cold (user.c:?) [ 683.512013][T15816] ? br_multicast_flood (??:?) [ 683.512016][T15816] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 683.512019][T15816] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 683.512020][T15816] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 683.512022][T15816] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 683.512024][T15816] br_init_port (net/bridge/br_stp_if.c:39) [ 683.512026][T15816] new_nbp (net/bridge/br_if.c:449) [ 683.512028][T15816] br_add_if (net/bridge/br_if.c:592) [ 683.512030][T15816] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 683.512035][T15816] do_set_master (net/core/rtnetlink.c:3071) [ 683.512036][T15816] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 683.512038][T15816] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 683.512039][T15816] ? __dev_get_by_name (net/core/dev.c:905) [ 683.512041][T15816] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 683.512045][T15816] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 683.512048][T15816] rtnl_newlink (net/core/rtnetlink.c:4215) [ 683.512050][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512051][T15816] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 683.512052][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.512054][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512055][T15816] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 683.512058][T15816] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 683.512060][T15816] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 683.512062][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512063][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.512065][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512066][T15816] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 683.512067][T15816] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 683.512069][T15816] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 683.512071][T15816] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 683.512072][T15816] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 683.512076][T15816] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 683.512079][T15816] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 683.512081][T15816] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 683.512082][T15816] ? netlink_ack (./include/linux/skbuff.h:2718) [ 683.512084][T15816] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 683.512087][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512088][T15816] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 683.512090][T15816] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 683.512092][T15816] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 683.512095][T15816] ? next_uptodate_folio (mm/filemap.c:3747) [ 683.512098][T15816] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 683.512100][T15816] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 683.512102][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.512104][T15816] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 683.512110][T15816] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 683.512113][T15816] ____sys_sendmsg (net/socket.c:2713) [ 683.512114][T15816] ? copy_msghdr_from_user (net/socket.c:2650) [ 683.512116][T15816] ? sock_write_iter (net/socket.c:1269) [ 683.512118][T15816] ? move_addr_to_kernel (net/socket.c:258) [ 683.512120][T15816] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 683.512123][T15816] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 683.512125][T15816] ___sys_sendmsg (net/socket.c:2767) [ 683.512126][T15816] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 683.512128][T15816] ? copy_msghdr_from_user (net/socket.c:2619) [ 683.512130][T15816] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 683.512135][T15816] __sys_sendmsg (net/socket.c:2799) [ 683.512137][T15816] ? __sys_sendmsg_sock (net/socket.c:2780) [ 683.512139][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512140][T15816] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 683.512142][T15816] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 683.512144][T15816] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 683.512147][T15816] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 683.512149][T15816] RIP: 0033:0x7fa06978454e [ 683.512151][T15816] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 683.512152][T15816] RSP: 002b:00007fff832ce4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 683.512156][T15816] RAX: ffffffffffffffda RBX: 00007fff832cec98 RCX: 00007fa06978454e [ 683.512158][T15816] RDX: 0000000000000000 RSI: 00007fff832ce580 RDI: 0000000000000005 [ 683.512158][T15816] RBP: 00007fff832ce4e0 R08: 0000000000000000 R09: 0000000000000000 [ 683.512159][T15816] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a22 [ 683.512160][T15816] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff832cec50 | [ 684.828849][T15885] softirqs last disabled at (0): 0x0 | [ 684.828851][T15885] Preemption disabled at: | [ 684.828852][T15885] vprintk_emit (kernel/printk/printk.c:2471) | [ 684.828863][T15885] Tainted: [W]=WARN [ 684.828864][T15885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 684.828865][T15885] Call Trace: [ 684.828867][T15885] [ 684.828868][T15885] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 684.828874][T15885] ? vprintk_emit (kernel/printk/printk.c:2471) [ 684.828875][T15885] __might_resched.cold (kernel/sched/core.c:9234) [ 684.828879][T15885] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 684.828882][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828885][T15885] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 684.828888][T15885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 684.828891][T15885] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 684.828896][T15885] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 684.828898][T15885] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 684.828901][T15885] put_chars (drivers/char/virtio_console.c:1176) [ 684.828902][T15885] ? __send_to_port (drivers/char/virtio_console.c:654) [ 684.828903][T15885] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 684.828906][T15885] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 684.828908][T15885] ? pointer (lib/vsprintf.c:2577) [ 684.828911][T15885] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 684.828916][T15885] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 684.828918][T15885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 684.828919][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.828922][T15885] console_emit_next_record (kernel/printk/printk.c:3183) [ 684.828925][T15885] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 684.828927][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828928][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828929][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828930][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.828932][T15885] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 684.828934][T15885] console_flush_one_record (kernel/printk/printk.c:3268) [ 684.828937][T15885] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 684.828939][T15885] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 684.828941][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.828943][T15885] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 684.828944][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828946][T15885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.828947][T15885] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 684.828949][T15885] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 684.828950][T15885] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 684.828952][T15885] ? vprintk_emit (kernel/printk/printk.c:2478) [ 684.828954][T15885] vprintk_emit (kernel/printk/printk.c:2479) [ 684.828955][T15885] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 684.828956][T15885] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 684.828959][T15885] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 684.828962][T15885] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 684.828964][T15885] _printk (kernel/printk/printk.c:2504) [ 684.828968][T15885] ? snapshot_read.cold (user.c:?) [ 684.828970][T15885] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 684.828972][T15885] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 684.828975][T15885] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 684.828977][T15885] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 684.828980][T15885] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 684.828982][T15885] ? netdev_notice (net/core/dev.c:13194) [ 684.828984][T15885] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 684.828986][T15885] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 684.828988][T15885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 684.828990][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828991][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.828992][T15885] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 684.828994][T15885] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 684.828995][T15885] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 684.828997][T15885] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 684.828998][T15885] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 684.829000][T15885] ? register_netdev (net/core/dev.c:11618) [ 684.829001][T15885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.829003][T15885] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 684.829006][T15885] ? __kernel_text_address (kernel/extable.c:79) [ 684.829009][T15885] ? write_profile (profile.c:?) [ 684.829011][T15885] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 684.829015][T15885] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 684.829017][T15885] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 684.829019][T15885] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 684.829020][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829021][T15885] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 684.829024][T15885] ? kasan_save_stack (mm/kasan/common.c:58) [ 684.829026][T15885] ? kasan_save_stack (mm/kasan/common.c:57) [ 684.829027][T15885] ? kasan_save_track (mm/kasan/common.c:78) [ 684.829029][T15885] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 684.829030][T15885] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 684.829031][T15885] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 684.829032][T15885] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 684.829033][T15885] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 684.829036][T15885] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 684.829038][T15885] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 684.829039][T15885] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 684.829042][T15885] ? ____sys_sendmsg (net/socket.c:2713) [ 684.829043][T15885] ? ___sys_sendmsg (net/socket.c:2767) [ 684.829045][T15885] ? __sys_sendmsg (net/socket.c:2799) [ 684.829046][T15885] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 684.829048][T15885] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 684.829051][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829052][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.829054][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829055][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829056][T15885] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 684.829057][T15885] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 684.829058][T15885] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 684.829060][T15885] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 684.829061][T15885] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 684.829062][T15885] ? nla_get_range_signed (lib/nlattr.c:270) [ 684.829066][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829067][T15885] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 684.829069][T15885] rtnl_newlink (net/core/rtnetlink.c:4215) [ 684.829071][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829072][T15885] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 684.829073][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.829075][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829076][T15885] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 684.829078][T15885] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 684.829080][T15885] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 684.829081][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829082][T15885] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 684.829086][T15885] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 684.829088][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829089][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.829091][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829092][T15885] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 684.829093][T15885] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 684.829095][T15885] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 684.829096][T15885] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 684.829098][T15885] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 684.829100][T15885] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 684.829102][T15885] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 684.829103][T15885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.829105][T15885] ? netlink_ack (./include/linux/skbuff.h:2718) [ 684.829107][T15885] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 684.829110][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829111][T15885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 684.829113][T15885] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 684.829115][T15885] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 684.829117][T15885] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 684.829119][T15885] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 684.829121][T15885] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 684.829123][T15885] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 684.829124][T15885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 684.829126][T15885] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 684.829129][T15885] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 684.829131][T15885] ____sys_sendmsg (net/socket.c:2713) [ 684.829132][T15885] ? copy_msghdr_from_user (net/socket.c:2650) [ 684.829134][T15885] ? sock_write_iter (net/socket.c:1269) [ 684.829136][T15885] ? move_addr_to_kernel (net/socket.c:258) [ 684.829137][T15885] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 684.829140][T15885] ___sys_sendmsg (net/socket.c:2767) [ 684.829141][T15885] ? copy_msghdr_from_user (net/socket.c:2619) [ 684.829146][T15885] __sys_sendmsg (net/socket.c:2799) [ 684.829148][T15885] ? __sys_sendmsg_sock (net/socket.c:2780) [ 684.829151][T15885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 684.829153][T15885] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 684.829154][T15885] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 684.829156][T15885] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 684.829158][T15885] RIP: 0033:0x7fd2bf69854e [ 684.829159][T15885] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 684.829161][T15885] RSP: 002b:00007ffd683f4de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 684.829165][T15885] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd2bf69854e [ 684.829166][T15885] RDX: 0000000000000000 RSI: 00007ffd683f4e90 RDI: 0000000000000005 [ 684.829167][T15885] RBP: 00007ffd683f4df0 R08: 0000000000000000 R09: 0000000000000000 [ 684.829168][T15885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a24 [ 684.829169][T15885] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd683f5550 | [ 685.915215][T15935] softirqs last disabled at (0): 0x0 | [ 685.915217][T15935] Preemption disabled at: | [ 685.915218][T15935] vprintk_emit (kernel/printk/printk.c:2471) | [ 685.915228][T15935] Tainted: [W]=WARN [ 685.915229][T15935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 685.915231][T15935] Call Trace: [ 685.915233][T15935] [ 685.915234][T15935] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 685.915239][T15935] ? vprintk_emit (kernel/printk/printk.c:2471) [ 685.915241][T15935] __might_resched.cold (kernel/sched/core.c:9234) [ 685.915245][T15935] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 685.915247][T15935] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 685.915250][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915253][T15935] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 685.915256][T15935] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 685.915259][T15935] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 685.915264][T15935] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 685.915265][T15935] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 685.915268][T15935] put_chars (drivers/char/virtio_console.c:1176) [ 685.915270][T15935] ? __send_to_port (drivers/char/virtio_console.c:654) [ 685.915271][T15935] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 685.915274][T15935] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 685.915279][T15935] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 685.915281][T15935] ? vsnprintf (lib/vsprintf.c:2900) [ 685.915284][T15935] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 685.915286][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915287][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915289][T15935] console_emit_next_record (kernel/printk/printk.c:3183) [ 685.915292][T15935] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 685.915294][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915295][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915296][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915297][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915299][T15935] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 685.915301][T15935] console_flush_one_record (kernel/printk/printk.c:3268) [ 685.915303][T15935] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 685.915306][T15935] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 685.915308][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915309][T15935] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 685.915311][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915312][T15935] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 685.915314][T15935] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 685.915315][T15935] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 685.915317][T15935] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 685.915319][T15935] ? vprintk_emit (kernel/printk/printk.c:2478) [ 685.915320][T15935] vprintk_emit (kernel/printk/printk.c:2479) [ 685.915322][T15935] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 685.915323][T15935] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 685.915325][T15935] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 685.915327][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915329][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915330][T15935] _printk (kernel/printk/printk.c:2504) [ 685.915333][T15935] ? snapshot_read.cold (user.c:?) [ 685.915335][T15935] ? br_multicast_flood (??:?) [ 685.915339][T15935] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 685.915342][T15935] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 685.915343][T15935] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 685.915344][T15935] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 685.915347][T15935] br_init_port (net/bridge/br_stp_if.c:39) [ 685.915349][T15935] new_nbp (net/bridge/br_if.c:449) [ 685.915351][T15935] br_add_if (net/bridge/br_if.c:592) [ 685.915353][T15935] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 685.915357][T15935] do_set_master (net/core/rtnetlink.c:3071) [ 685.915359][T15935] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 685.915361][T15935] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 685.915362][T15935] ? __dev_get_by_name (net/core/dev.c:905) [ 685.915364][T15935] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 685.915368][T15935] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 685.915371][T15935] rtnl_newlink (net/core/rtnetlink.c:4215) [ 685.915373][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915374][T15935] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 685.915375][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915377][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915378][T15935] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 685.915380][T15935] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 685.915382][T15935] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 685.915385][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915386][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915387][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915388][T15935] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 685.915390][T15935] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 685.915391][T15935] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 685.915393][T15935] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 685.915394][T15935] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 685.915398][T15935] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 685.915401][T15935] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 685.915402][T15935] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 685.915404][T15935] ? netlink_ack (./include/linux/skbuff.h:2718) [ 685.915406][T15935] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 685.915409][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915410][T15935] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 685.915412][T15935] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 685.915414][T15935] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 685.915416][T15935] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 685.915418][T15935] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 685.915421][T15935] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 685.915423][T15935] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 685.915425][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915427][T15935] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 685.915431][T15935] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 685.915433][T15935] ____sys_sendmsg (net/socket.c:2713) [ 685.915435][T15935] ? copy_msghdr_from_user (net/socket.c:2650) [ 685.915437][T15935] ? sock_write_iter (net/socket.c:1269) [ 685.915438][T15935] ? move_addr_to_kernel (net/socket.c:258) [ 685.915440][T15935] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 685.915443][T15935] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 685.915445][T15935] ___sys_sendmsg (net/socket.c:2767) [ 685.915446][T15935] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 685.915448][T15935] ? copy_msghdr_from_user (net/socket.c:2619) [ 685.915450][T15935] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 685.915454][T15935] __sys_sendmsg (net/socket.c:2799) [ 685.915456][T15935] ? __sys_sendmsg_sock (net/socket.c:2780) [ 685.915459][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915460][T15935] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 685.915461][T15935] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 685.915464][T15935] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 685.915465][T15935] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 685.915467][T15935] RIP: 0033:0x7f70a3f4454e [ 685.915469][T15935] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 685.915471][T15935] RSP: 002b:00007ffe53d6e380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 685.915475][T15935] RAX: ffffffffffffffda RBX: 00007ffe53d6eb48 RCX: 00007f70a3f4454e [ 685.915481][T15935] RDX: 0000000000000000 RSI: 00007ffe53d6e430 RDI: 0000000000000005 [ 685.915482][T15935] RBP: 00007ffe53d6e390 R08: 0000000000000000 R09: 0000000000000000 [ 685.915483][T15935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a25 [ 685.915484][T15935] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe53d6eb00 | [ 692.355769][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 692.355772][ T12] Preemption disabled at: | [ 692.355773][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 692.355783][ T12] Tainted: [W]=WARN [ 692.355784][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 692.355785][ T12] Workqueue: netns cleanup_net [ 692.355791][ T12] Call Trace: [ 692.355793][ T12] [ 692.355795][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 692.355800][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 692.355801][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 692.355805][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 692.355808][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 692.355811][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355814][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 692.355816][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.355819][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 692.355824][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 692.355826][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 692.355828][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 692.355830][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 692.355832][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 692.355834][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 692.355844][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 692.355846][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 692.355849][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.355850][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355851][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355853][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 692.355856][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 692.355858][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355859][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355860][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355861][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.355864][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 692.355866][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 692.355868][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 692.355871][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 692.355873][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.355875][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 692.355876][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355877][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 692.355879][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 692.355881][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 692.355882][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 692.355884][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 692.355885][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 692.355887][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 692.355888][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 692.355890][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 692.355893][ T12] ? kthread (kernel/kthread.c:436) [ 692.355895][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 692.355897][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 692.355900][ T12] _printk (kernel/printk/printk.c:2504) [ 692.355903][ T12] ? snapshot_read.cold (user.c:?) [ 692.355906][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 692.355909][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 692.355911][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 692.355913][ T12] ? netdev_notice (net/core/dev.c:13194) [ 692.355915][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355917][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 692.355918][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 692.355921][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 692.355922][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 692.355924][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 692.355926][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 692.355929][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 692.355932][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 692.355935][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 692.355937][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 692.355939][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 692.355941][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 692.355944][ T12] cleanup_net (net/core/net_namespace.c:706) [ 692.355946][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 692.355948][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.355949][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.355951][ T12] process_one_work (kernel/workqueue.c:3387) [ 692.355954][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 692.355956][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.355959][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 692.355962][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 692.355963][ T12] kthread (kernel/kthread.c:436) [ 692.355965][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 692.355967][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 692.355969][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 692.355971][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 692.355973][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 692.355976][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 692.355978][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 693.554764][T16087] softirqs last disabled at (0): 0x0 | [ 693.554766][T16087] Preemption disabled at: | [ 693.554767][T16087] vprintk_emit (kernel/printk/printk.c:2471) | [ 693.554777][T16087] Tainted: [W]=WARN [ 693.554778][T16087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 693.554779][T16087] Call Trace: [ 693.554781][T16087] [ 693.554782][T16087] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 693.554788][T16087] ? vprintk_emit (kernel/printk/printk.c:2471) [ 693.554789][T16087] __might_resched.cold (kernel/sched/core.c:9234) [ 693.554793][T16087] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 693.554795][T16087] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 693.554799][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554801][T16087] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 693.554804][T16087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.554807][T16087] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 693.554813][T16087] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 693.554814][T16087] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 693.554817][T16087] put_chars (drivers/char/virtio_console.c:1176) [ 693.554819][T16087] ? __send_to_port (drivers/char/virtio_console.c:654) [ 693.554820][T16087] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 693.554823][T16087] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 693.554827][T16087] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 693.554829][T16087] ? vsnprintf (lib/vsprintf.c:2900) [ 693.554832][T16087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.554834][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554835][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554837][T16087] console_emit_next_record (kernel/printk/printk.c:3183) [ 693.554841][T16087] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 693.554843][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554844][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554845][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554846][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554849][T16087] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 693.554851][T16087] console_flush_one_record (kernel/printk/printk.c:3268) [ 693.554853][T16087] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 693.554856][T16087] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 693.554858][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554859][T16087] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 693.554861][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554862][T16087] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.554864][T16087] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 693.554865][T16087] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 693.554867][T16087] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 693.554869][T16087] ? vprintk_emit (kernel/printk/printk.c:2478) [ 693.554870][T16087] vprintk_emit (kernel/printk/printk.c:2479) [ 693.554872][T16087] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 693.554873][T16087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.554875][T16087] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 693.554878][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554879][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554881][T16087] _printk (kernel/printk/printk.c:2504) [ 693.554883][T16087] ? snapshot_read.cold (user.c:?) [ 693.554885][T16087] ? br_multicast_flood (??:?) [ 693.554889][T16087] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 693.554892][T16087] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 693.554893][T16087] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 693.554895][T16087] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 693.554898][T16087] br_init_port (net/bridge/br_stp_if.c:39) [ 693.554899][T16087] new_nbp (net/bridge/br_if.c:449) [ 693.554902][T16087] br_add_if (net/bridge/br_if.c:592) [ 693.554903][T16087] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 693.554907][T16087] do_set_master (net/core/rtnetlink.c:3071) [ 693.554909][T16087] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 693.554911][T16087] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 693.554912][T16087] ? __dev_get_by_name (net/core/dev.c:905) [ 693.554914][T16087] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 693.554918][T16087] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 693.554921][T16087] rtnl_newlink (net/core/rtnetlink.c:4215) [ 693.554923][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554924][T16087] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 693.554925][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554927][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554928][T16087] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 693.554931][T16087] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 693.554933][T16087] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 693.554935][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554936][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554938][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554939][T16087] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 693.554941][T16087] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 693.554942][T16087] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 693.554944][T16087] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 693.554945][T16087] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 693.554949][T16087] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 693.554952][T16087] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 693.554953][T16087] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.554955][T16087] ? netlink_ack (./include/linux/skbuff.h:2718) [ 693.554956][T16087] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 693.554960][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.554961][T16087] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.554963][T16087] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 693.554965][T16087] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 693.554967][T16087] ? next_uptodate_folio (mm/filemap.c:3747) [ 693.554970][T16087] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 693.554972][T16087] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 693.554974][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554976][T16087] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 693.554979][T16087] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 693.554982][T16087] ____sys_sendmsg (net/socket.c:2713) [ 693.554984][T16087] ? copy_msghdr_from_user (net/socket.c:2650) [ 693.554986][T16087] ? sock_write_iter (net/socket.c:1269) [ 693.554987][T16087] ? move_addr_to_kernel (net/socket.c:258) [ 693.554990][T16087] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 693.554992][T16087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.554994][T16087] ___sys_sendmsg (net/socket.c:2767) [ 693.554996][T16087] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 693.554997][T16087] ? copy_msghdr_from_user (net/socket.c:2619) [ 693.554999][T16087] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 693.555004][T16087] __sys_sendmsg (net/socket.c:2799) [ 693.555006][T16087] ? __sys_sendmsg_sock (net/socket.c:2780) [ 693.555009][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.555010][T16087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.555011][T16087] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 693.555014][T16087] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 693.555016][T16087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 693.555018][T16087] RIP: 0033:0x7f182b13d54e [ 693.555020][T16087] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 693.555021][T16087] RSP: 002b:00007ffcf73aa9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 693.555025][T16087] RAX: ffffffffffffffda RBX: 00007ffcf73ab178 RCX: 00007f182b13d54e [ 693.555026][T16087] RDX: 0000000000000000 RSI: 00007ffcf73aaa60 RDI: 0000000000000005 [ 693.555027][T16087] RBP: 00007ffcf73aa9c0 R08: 0000000000000000 R09: 0000000000000000 [ 693.555028][T16087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a2c [ 693.555029][T16087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf73ab130 | [ 694.860926][T16156] softirqs last disabled at (0): 0x0 | [ 694.860928][T16156] Preemption disabled at: | [ 694.860929][T16156] vprintk_emit (kernel/printk/printk.c:2471) | [ 694.860939][T16156] Tainted: [W]=WARN [ 694.860940][T16156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 694.860942][T16156] Call Trace: [ 694.860943][T16156] [ 694.860945][T16156] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 694.860950][T16156] ? vprintk_emit (kernel/printk/printk.c:2471) [ 694.860952][T16156] __might_resched.cold (kernel/sched/core.c:9234) [ 694.860956][T16156] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 694.860959][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.860962][T16156] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 694.860965][T16156] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 694.860968][T16156] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 694.860973][T16156] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 694.860974][T16156] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 694.860977][T16156] put_chars (drivers/char/virtio_console.c:1176) [ 694.860979][T16156] ? __send_to_port (drivers/char/virtio_console.c:654) [ 694.860980][T16156] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 694.860982][T16156] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 694.860984][T16156] ? pointer (lib/vsprintf.c:2577) [ 694.860988][T16156] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 694.860992][T16156] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 694.860994][T16156] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 694.860996][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.860999][T16156] console_emit_next_record (kernel/printk/printk.c:3183) [ 694.861001][T16156] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 694.861004][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861005][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861006][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861007][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.861009][T16156] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 694.861010][T16156] console_flush_one_record (kernel/printk/printk.c:3268) [ 694.861013][T16156] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 694.861015][T16156] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 694.861017][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.861019][T16156] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 694.861021][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861022][T16156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.861023][T16156] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 694.861025][T16156] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 694.861026][T16156] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 694.861028][T16156] ? vprintk_emit (kernel/printk/printk.c:2478) [ 694.861030][T16156] vprintk_emit (kernel/printk/printk.c:2479) [ 694.861031][T16156] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 694.861032][T16156] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 694.861035][T16156] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 694.861038][T16156] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 694.861040][T16156] _printk (kernel/printk/printk.c:2504) [ 694.861044][T16156] ? snapshot_read.cold (user.c:?) [ 694.861046][T16156] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 694.861048][T16156] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 694.861051][T16156] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 694.861053][T16156] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 694.861056][T16156] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 694.861059][T16156] ? netdev_notice (net/core/dev.c:13194) [ 694.861061][T16156] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 694.861063][T16156] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 694.861065][T16156] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 694.861067][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861068][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861069][T16156] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 694.861071][T16156] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 694.861072][T16156] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 694.861073][T16156] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 694.861075][T16156] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 694.861076][T16156] ? register_netdev (net/core/dev.c:11618) [ 694.861078][T16156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.861080][T16156] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 694.861082][T16156] ? __kernel_text_address (kernel/extable.c:79) [ 694.861085][T16156] ? write_profile (profile.c:?) [ 694.861088][T16156] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 694.861092][T16156] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 694.861093][T16156] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 694.861095][T16156] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 694.861096][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861097][T16156] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 694.861101][T16156] ? kasan_save_stack (mm/kasan/common.c:58) [ 694.861102][T16156] ? kasan_save_stack (mm/kasan/common.c:57) [ 694.861103][T16156] ? kasan_save_track (mm/kasan/common.c:78) [ 694.861105][T16156] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 694.861106][T16156] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 694.861107][T16156] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 694.861108][T16156] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 694.861109][T16156] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 694.861112][T16156] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 694.861114][T16156] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 694.861115][T16156] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 694.861117][T16156] ? ____sys_sendmsg (net/socket.c:2713) [ 694.861119][T16156] ? ___sys_sendmsg (net/socket.c:2767) [ 694.861120][T16156] ? __sys_sendmsg (net/socket.c:2799) [ 694.861122][T16156] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 694.861124][T16156] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 694.861127][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861128][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.861129][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861130][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861131][T16156] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 694.861133][T16156] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 694.861134][T16156] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 694.861135][T16156] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 694.861137][T16156] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 694.861138][T16156] ? nla_get_range_signed (lib/nlattr.c:270) [ 694.861142][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861143][T16156] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 694.861145][T16156] rtnl_newlink (net/core/rtnetlink.c:4215) [ 694.861147][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861148][T16156] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 694.861149][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.861151][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861152][T16156] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 694.861155][T16156] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 694.861156][T16156] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 694.861158][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861159][T16156] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 694.861162][T16156] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 694.861164][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861166][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.861167][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861168][T16156] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 694.861170][T16156] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 694.861172][T16156] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 694.861173][T16156] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 694.861175][T16156] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 694.861177][T16156] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 694.861179][T16156] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 694.861180][T16156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.861182][T16156] ? netlink_ack (./include/linux/skbuff.h:2718) [ 694.861183][T16156] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 694.861187][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861188][T16156] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 694.861190][T16156] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 694.861192][T16156] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 694.861194][T16156] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 694.861195][T16156] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 694.861198][T16156] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 694.861199][T16156] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 694.861201][T16156] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 694.861202][T16156] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 694.861206][T16156] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 694.861208][T16156] ____sys_sendmsg (net/socket.c:2713) [ 694.861209][T16156] ? copy_msghdr_from_user (net/socket.c:2650) [ 694.861211][T16156] ? sock_write_iter (net/socket.c:1269) [ 694.861212][T16156] ? move_addr_to_kernel (net/socket.c:258) [ 694.861214][T16156] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 694.861216][T16156] ___sys_sendmsg (net/socket.c:2767) [ 694.861218][T16156] ? copy_msghdr_from_user (net/socket.c:2619) [ 694.861223][T16156] __sys_sendmsg (net/socket.c:2799) [ 694.861225][T16156] ? __sys_sendmsg_sock (net/socket.c:2780) [ 694.861228][T16156] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 694.861229][T16156] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 694.861231][T16156] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 694.861233][T16156] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 694.861234][T16156] RIP: 0033:0x7fe309a2654e [ 694.861236][T16156] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 694.861238][T16156] RSP: 002b:00007fff3c2755b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 694.861242][T16156] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe309a2654e [ 694.861243][T16156] RDX: 0000000000000000 RSI: 00007fff3c275660 RDI: 0000000000000005 [ 694.861244][T16156] RBP: 00007fff3c2755c0 R08: 0000000000000000 R09: 0000000000000000 [ 694.861245][T16156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a2e [ 694.861245][T16156] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3c275d20 | [ 695.928876][T16213] softirqs last disabled at (0): 0x0 | [ 695.928877][T16213] Preemption disabled at: | [ 695.928878][T16213] vprintk_emit (kernel/printk/printk.c:2471) | [ 695.928889][T16213] Tainted: [W]=WARN [ 695.928890][T16213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 695.928892][T16213] Call Trace: [ 695.928894][T16213] [ 695.928895][T16213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 695.928900][T16213] ? vprintk_emit (kernel/printk/printk.c:2471) [ 695.928902][T16213] __might_resched.cold (kernel/sched/core.c:9234) [ 695.928906][T16213] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 695.928908][T16213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 695.928911][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928914][T16213] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 695.928917][T16213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 695.928920][T16213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 695.928926][T16213] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 695.928928][T16213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 695.928930][T16213] put_chars (drivers/char/virtio_console.c:1176) [ 695.928932][T16213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 695.928933][T16213] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 695.928936][T16213] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 695.928939][T16213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 695.928944][T16213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 695.928946][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928947][T16213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 695.928949][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928949][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928951][T16213] console_emit_next_record (kernel/printk/printk.c:3183) [ 695.928954][T16213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 695.928956][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928957][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.928960][T16213] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 695.928961][T16213] console_flush_one_record (kernel/printk/printk.c:3268) [ 695.928964][T16213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 695.928967][T16213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 695.928968][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.928970][T16213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 695.928972][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928973][T16213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 695.928974][T16213] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 695.928976][T16213] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 695.928977][T16213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 695.928979][T16213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 695.928980][T16213] vprintk_emit (kernel/printk/printk.c:2479) [ 695.928982][T16213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 695.928983][T16213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 695.928985][T16213] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 695.928987][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.928989][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.928990][T16213] _printk (kernel/printk/printk.c:2504) [ 695.928993][T16213] ? snapshot_read.cold (user.c:?) [ 695.928995][T16213] ? br_multicast_flood (??:?) [ 695.928999][T16213] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 695.929001][T16213] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 695.929003][T16213] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 695.929004][T16213] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 695.929007][T16213] br_init_port (net/bridge/br_stp_if.c:39) [ 695.929009][T16213] new_nbp (net/bridge/br_if.c:449) [ 695.929011][T16213] br_add_if (net/bridge/br_if.c:592) [ 695.929013][T16213] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 695.929017][T16213] do_set_master (net/core/rtnetlink.c:3071) [ 695.929019][T16213] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 695.929021][T16213] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 695.929022][T16213] ? __dev_get_by_name (net/core/dev.c:905) [ 695.929024][T16213] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 695.929028][T16213] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 695.929030][T16213] rtnl_newlink (net/core/rtnetlink.c:4215) [ 695.929032][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929033][T16213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 695.929035][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.929036][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929038][T16213] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 695.929040][T16213] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 695.929042][T16213] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 695.929044][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929045][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.929047][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929048][T16213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 695.929049][T16213] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 695.929051][T16213] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 695.929052][T16213] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 695.929054][T16213] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 695.929057][T16213] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 695.929060][T16213] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 695.929062][T16213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 695.929063][T16213] ? netlink_ack (./include/linux/skbuff.h:2718) [ 695.929065][T16213] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 695.929068][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929069][T16213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 695.929071][T16213] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 695.929074][T16213] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 695.929075][T16213] ? next_uptodate_folio (mm/filemap.c:3747) [ 695.929078][T16213] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 695.929081][T16213] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 695.929083][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.929084][T16213] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 695.929087][T16213] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 695.929090][T16213] ____sys_sendmsg (net/socket.c:2713) [ 695.929092][T16213] ? copy_msghdr_from_user (net/socket.c:2650) [ 695.929094][T16213] ? sock_write_iter (net/socket.c:1269) [ 695.929095][T16213] ? move_addr_to_kernel (net/socket.c:258) [ 695.929097][T16213] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 695.929100][T16213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 695.929102][T16213] ___sys_sendmsg (net/socket.c:2767) [ 695.929103][T16213] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 695.929105][T16213] ? copy_msghdr_from_user (net/socket.c:2619) [ 695.929107][T16213] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 695.929111][T16213] __sys_sendmsg (net/socket.c:2799) [ 695.929114][T16213] ? __sys_sendmsg_sock (net/socket.c:2780) [ 695.929116][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929117][T16213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 695.929119][T16213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 695.929122][T16213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 695.929125][T16213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 695.929127][T16213] RIP: 0033:0x7f575eda254e [ 695.929128][T16213] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 695.929130][T16213] RSP: 002b:00007ffdec8cb640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 695.929134][T16213] RAX: ffffffffffffffda RBX: 00007ffdec8cbe08 RCX: 00007f575eda254e [ 695.929135][T16213] RDX: 0000000000000000 RSI: 00007ffdec8cb6f0 RDI: 0000000000000005 [ 695.929136][T16213] RBP: 00007ffdec8cb650 R08: 0000000000000000 R09: 0000000000000000 [ 695.929137][T16213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a2f [ 695.929138][T16213] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdec8cbdc0 | [ 702.371393][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 702.371395][ T12] Preemption disabled at: | [ 702.371396][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 702.371405][ T12] Tainted: [W]=WARN [ 702.371406][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 702.371408][ T12] Workqueue: netns cleanup_net [ 702.371414][ T12] Call Trace: [ 702.371415][ T12] [ 702.371417][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 702.371422][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 702.371424][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 702.371428][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 702.371430][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 702.371433][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371436][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 702.371439][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.371442][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 702.371446][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 702.371448][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 702.371451][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 702.371453][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 702.371454][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 702.371457][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 702.371462][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 702.371463][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 702.371466][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.371467][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371468][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371470][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 702.371473][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 702.371475][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371476][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371477][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371478][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.371480][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 702.371482][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 702.371485][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 702.371487][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 702.371489][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.371491][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 702.371493][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371494][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 702.371495][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 702.371497][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 702.371498][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 702.371500][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 702.371502][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 702.371503][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 702.371505][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 702.371506][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 702.371509][ T12] ? kthread (kernel/kthread.c:436) [ 702.371511][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 702.371519][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 702.371521][ T12] _printk (kernel/printk/printk.c:2504) [ 702.371525][ T12] ? snapshot_read.cold (user.c:?) [ 702.371527][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 702.371530][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 702.371532][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 702.371535][ T12] ? netdev_notice (net/core/dev.c:13194) [ 702.371537][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371539][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 702.371540][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 702.371543][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 702.371544][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 702.371546][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 702.371549][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 702.371551][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 702.371555][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 702.371557][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 702.371560][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 702.371562][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 702.371564][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 702.371567][ T12] cleanup_net (net/core/net_namespace.c:706) [ 702.371569][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 702.371571][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 702.371574][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.371575][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.371577][ T12] process_one_work (kernel/workqueue.c:3387) [ 702.371580][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 702.371582][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.371585][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 702.371588][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 702.371589][ T12] kthread (kernel/kthread.c:436) [ 702.371591][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 702.371593][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 702.371595][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 702.371597][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 702.371599][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 702.371602][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 702.371603][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 703.531808][T16367] softirqs last disabled at (0): 0x0 | [ 703.531809][T16367] Preemption disabled at: | [ 703.531810][T16367] vprintk_emit (kernel/printk/printk.c:2471) | [ 703.531821][T16367] Tainted: [W]=WARN [ 703.531822][T16367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 703.531824][T16367] Call Trace: [ 703.531825][T16367] [ 703.531826][T16367] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 703.531833][T16367] ? vprintk_emit (kernel/printk/printk.c:2471) [ 703.531834][T16367] __might_resched.cold (kernel/sched/core.c:9234) [ 703.531838][T16367] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 703.531842][T16367] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 703.531845][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531848][T16367] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 703.531850][T16367] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 703.531853][T16367] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 703.531859][T16367] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 703.531860][T16367] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 703.531863][T16367] put_chars (drivers/char/virtio_console.c:1176) [ 703.531864][T16367] ? __send_to_port (drivers/char/virtio_console.c:654) [ 703.531866][T16367] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 703.531869][T16367] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 703.531873][T16367] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 703.531875][T16367] ? vsnprintf (lib/vsprintf.c:2900) [ 703.531878][T16367] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 703.531880][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531881][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531883][T16367] console_emit_next_record (kernel/printk/printk.c:3183) [ 703.531886][T16367] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 703.531888][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531889][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531890][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531891][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.531894][T16367] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 703.531895][T16367] console_flush_one_record (kernel/printk/printk.c:3268) [ 703.531898][T16367] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 703.531900][T16367] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 703.531902][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.531904][T16367] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 703.531906][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531907][T16367] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 703.531908][T16367] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 703.531910][T16367] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 703.531911][T16367] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 703.531913][T16367] ? vprintk_emit (kernel/printk/printk.c:2478) [ 703.531914][T16367] vprintk_emit (kernel/printk/printk.c:2479) [ 703.531916][T16367] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 703.531917][T16367] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 703.531919][T16367] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 703.531922][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.531923][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531925][T16367] _printk (kernel/printk/printk.c:2504) [ 703.531928][T16367] ? snapshot_read.cold (user.c:?) [ 703.531930][T16367] ? br_multicast_flood (??:?) [ 703.531933][T16367] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 703.531936][T16367] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 703.531937][T16367] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 703.531939][T16367] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 703.531941][T16367] br_init_port (net/bridge/br_stp_if.c:39) [ 703.531943][T16367] new_nbp (net/bridge/br_if.c:449) [ 703.531945][T16367] br_add_if (net/bridge/br_if.c:592) [ 703.531947][T16367] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 703.531951][T16367] do_set_master (net/core/rtnetlink.c:3071) [ 703.531953][T16367] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 703.531955][T16367] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 703.531956][T16367] ? __dev_get_by_name (net/core/dev.c:905) [ 703.531958][T16367] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 703.531962][T16367] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 703.531964][T16367] rtnl_newlink (net/core/rtnetlink.c:4215) [ 703.531966][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531968][T16367] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 703.531969][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.531970][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531972][T16367] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 703.531974][T16367] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 703.531976][T16367] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 703.531979][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531980][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.531981][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.531982][T16367] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 703.531984][T16367] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 703.531985][T16367] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 703.531987][T16367] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 703.531988][T16367] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 703.531992][T16367] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 703.531995][T16367] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 703.531996][T16367] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 703.531998][T16367] ? netlink_ack (./include/linux/skbuff.h:2718) [ 703.531999][T16367] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 703.532002][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.532004][T16367] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 703.532006][T16367] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 703.532008][T16367] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 703.532010][T16367] ? next_uptodate_folio (mm/filemap.c:3747) [ 703.532013][T16367] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 703.532015][T16367] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 703.532017][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.532019][T16367] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 703.532022][T16367] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 703.532025][T16367] ____sys_sendmsg (net/socket.c:2713) [ 703.532027][T16367] ? copy_msghdr_from_user (net/socket.c:2650) [ 703.532029][T16367] ? sock_write_iter (net/socket.c:1269) [ 703.532030][T16367] ? move_addr_to_kernel (net/socket.c:258) [ 703.532032][T16367] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 703.532035][T16367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 703.532037][T16367] ___sys_sendmsg (net/socket.c:2767) [ 703.532038][T16367] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 703.532040][T16367] ? copy_msghdr_from_user (net/socket.c:2619) [ 703.532042][T16367] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 703.532046][T16367] __sys_sendmsg (net/socket.c:2799) [ 703.532048][T16367] ? __sys_sendmsg_sock (net/socket.c:2780) [ 703.532051][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.532052][T16367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 703.532053][T16367] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 703.532056][T16367] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 703.532058][T16367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 703.532060][T16367] RIP: 0033:0x7f513d1a254e [ 703.532062][T16367] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 703.532063][T16367] RSP: 002b:00007ffe69c242c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 703.532067][T16367] RAX: ffffffffffffffda RBX: 00007ffe69c24a88 RCX: 00007f513d1a254e [ 703.532069][T16367] RDX: 0000000000000000 RSI: 00007ffe69c24370 RDI: 0000000000000005 [ 703.532070][T16367] RBP: 00007ffe69c242d0 R08: 0000000000000000 R09: 0000000000000000 [ 703.532071][T16367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a36 [ 703.532072][T16367] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe69c24a40 | [ 704.839245][T16436] softirqs last disabled at (0): 0x0 | [ 704.839246][T16436] Preemption disabled at: | [ 704.839247][T16436] vprintk_emit (kernel/printk/printk.c:2471) | [ 704.839258][T16436] Tainted: [W]=WARN [ 704.839259][T16436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 704.839260][T16436] Call Trace: [ 704.839262][T16436] [ 704.839263][T16436] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 704.839268][T16436] ? vprintk_emit (kernel/printk/printk.c:2471) [ 704.839270][T16436] __might_resched.cold (kernel/sched/core.c:9234) [ 704.839274][T16436] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 704.839277][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839280][T16436] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 704.839283][T16436] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.839286][T16436] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 704.839291][T16436] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 704.839293][T16436] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 704.839295][T16436] put_chars (drivers/char/virtio_console.c:1176) [ 704.839297][T16436] ? __send_to_port (drivers/char/virtio_console.c:654) [ 704.839298][T16436] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 704.839300][T16436] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 704.839302][T16436] ? pointer (lib/vsprintf.c:2577) [ 704.839306][T16436] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 704.839310][T16436] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 704.839312][T16436] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.839314][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839316][T16436] console_emit_next_record (kernel/printk/printk.c:3183) [ 704.839319][T16436] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 704.839321][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839322][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839324][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839325][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839327][T16436] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 704.839329][T16436] console_flush_one_record (kernel/printk/printk.c:3268) [ 704.839331][T16436] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 704.839334][T16436] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 704.839336][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839337][T16436] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 704.839339][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839340][T16436] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.839341][T16436] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 704.839343][T16436] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 704.839344][T16436] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 704.839347][T16436] ? vprintk_emit (kernel/printk/printk.c:2478) [ 704.839348][T16436] vprintk_emit (kernel/printk/printk.c:2479) [ 704.839350][T16436] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 704.839351][T16436] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 704.839353][T16436] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 704.839357][T16436] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 704.839359][T16436] _printk (kernel/printk/printk.c:2504) [ 704.839362][T16436] ? snapshot_read.cold (user.c:?) [ 704.839364][T16436] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 704.839366][T16436] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 704.839369][T16436] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 704.839371][T16436] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 704.839374][T16436] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 704.839377][T16436] ? netdev_notice (net/core/dev.c:13194) [ 704.839379][T16436] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 704.839380][T16436] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 704.839383][T16436] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.839385][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839386][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839387][T16436] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 704.839388][T16436] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 704.839390][T16436] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 704.839391][T16436] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 704.839392][T16436] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 704.839394][T16436] ? register_netdev (net/core/dev.c:11618) [ 704.839395][T16436] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.839397][T16436] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 704.839400][T16436] ? __kernel_text_address (kernel/extable.c:79) [ 704.839403][T16436] ? write_profile (profile.c:?) [ 704.839405][T16436] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 704.839409][T16436] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 704.839411][T16436] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 704.839412][T16436] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 704.839413][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839415][T16436] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 704.839418][T16436] ? kasan_save_stack (mm/kasan/common.c:58) [ 704.839420][T16436] ? kasan_save_stack (mm/kasan/common.c:57) [ 704.839421][T16436] ? kasan_save_track (mm/kasan/common.c:78) [ 704.839422][T16436] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 704.839423][T16436] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 704.839424][T16436] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 704.839426][T16436] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 704.839427][T16436] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 704.839430][T16436] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 704.839431][T16436] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 704.839433][T16436] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 704.839435][T16436] ? ____sys_sendmsg (net/socket.c:2713) [ 704.839437][T16436] ? ___sys_sendmsg (net/socket.c:2767) [ 704.839438][T16436] ? __sys_sendmsg (net/socket.c:2799) [ 704.839440][T16436] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 704.839442][T16436] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.839445][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839446][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839448][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839449][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839450][T16436] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 704.839451][T16436] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 704.839453][T16436] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 704.839454][T16436] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 704.839455][T16436] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 704.839456][T16436] ? nla_get_range_signed (lib/nlattr.c:270) [ 704.839460][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839461][T16436] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 704.839463][T16436] rtnl_newlink (net/core/rtnetlink.c:4215) [ 704.839465][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839467][T16436] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 704.839468][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839469][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839471][T16436] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 704.839473][T16436] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 704.839475][T16436] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 704.839476][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839477][T16436] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 704.839480][T16436] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 704.839483][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839484][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839486][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839487][T16436] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 704.839488][T16436] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 704.839490][T16436] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 704.839491][T16436] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 704.839493][T16436] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 704.839495][T16436] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 704.839497][T16436] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 704.839498][T16436] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.839500][T16436] ? netlink_ack (./include/linux/skbuff.h:2718) [ 704.839502][T16436] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 704.839505][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839506][T16436] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.839508][T16436] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 704.839510][T16436] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 704.839512][T16436] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.839514][T16436] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 704.839516][T16436] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 704.839521][T16436] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 704.839523][T16436] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.839524][T16436] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 704.839528][T16436] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 704.839529][T16436] ____sys_sendmsg (net/socket.c:2713) [ 704.839531][T16436] ? copy_msghdr_from_user (net/socket.c:2650) [ 704.839533][T16436] ? sock_write_iter (net/socket.c:1269) [ 704.839534][T16436] ? move_addr_to_kernel (net/socket.c:258) [ 704.839536][T16436] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 704.839539][T16436] ___sys_sendmsg (net/socket.c:2767) [ 704.839540][T16436] ? copy_msghdr_from_user (net/socket.c:2619) [ 704.839545][T16436] __sys_sendmsg (net/socket.c:2799) [ 704.839547][T16436] ? __sys_sendmsg_sock (net/socket.c:2780) [ 704.839550][T16436] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.839552][T16436] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 704.839553][T16436] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 704.839555][T16436] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.839557][T16436] RIP: 0033:0x7fa9828b754e [ 704.839559][T16436] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 704.839561][T16436] RSP: 002b:00007ffe4d03f840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 704.839564][T16436] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa9828b754e [ 704.839566][T16436] RDX: 0000000000000000 RSI: 00007ffe4d03f8f0 RDI: 0000000000000005 [ 704.839567][T16436] RBP: 00007ffe4d03f850 R08: 0000000000000000 R09: 0000000000000000 [ 704.839568][T16436] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a38 [ 704.839569][T16436] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d03ffb0 | [ 705.898555][T16486] softirqs last disabled at (0): 0x0 | [ 705.898557][T16486] Preemption disabled at: | [ 705.898558][T16486] vprintk_emit (kernel/printk/printk.c:2471) | [ 705.898568][T16486] Tainted: [W]=WARN [ 705.898570][T16486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 705.898571][T16486] Call Trace: [ 705.898573][T16486] [ 705.898574][T16486] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 705.898579][T16486] ? vprintk_emit (kernel/printk/printk.c:2471) [ 705.898581][T16486] __might_resched.cold (kernel/sched/core.c:9234) [ 705.898585][T16486] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 705.898587][T16486] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 705.898590][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898593][T16486] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 705.898596][T16486] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 705.898599][T16486] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 705.898604][T16486] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 705.898606][T16486] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 705.898609][T16486] put_chars (drivers/char/virtio_console.c:1176) [ 705.898610][T16486] ? __send_to_port (drivers/char/virtio_console.c:654) [ 705.898612][T16486] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 705.898615][T16486] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 705.898619][T16486] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 705.898621][T16486] ? vsnprintf (lib/vsprintf.c:2900) [ 705.898625][T16486] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 705.898626][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898627][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898629][T16486] console_emit_next_record (kernel/printk/printk.c:3183) [ 705.898632][T16486] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 705.898634][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898635][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898636][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898637][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898639][T16486] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 705.898641][T16486] console_flush_one_record (kernel/printk/printk.c:3268) [ 705.898644][T16486] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 705.898647][T16486] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 705.898648][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898650][T16486] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 705.898652][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898653][T16486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.898654][T16486] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 705.898656][T16486] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 705.898657][T16486] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 705.898659][T16486] ? vprintk_emit (kernel/printk/printk.c:2478) [ 705.898661][T16486] vprintk_emit (kernel/printk/printk.c:2479) [ 705.898662][T16486] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 705.898663][T16486] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 705.898665][T16486] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 705.898668][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898670][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898671][T16486] _printk (kernel/printk/printk.c:2504) [ 705.898674][T16486] ? snapshot_read.cold (user.c:?) [ 705.898676][T16486] ? br_multicast_flood (??:?) [ 705.898679][T16486] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 705.898682][T16486] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 705.898683][T16486] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 705.898685][T16486] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 705.898688][T16486] br_init_port (net/bridge/br_stp_if.c:39) [ 705.898690][T16486] new_nbp (net/bridge/br_if.c:449) [ 705.898692][T16486] br_add_if (net/bridge/br_if.c:592) [ 705.898694][T16486] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 705.898698][T16486] do_set_master (net/core/rtnetlink.c:3071) [ 705.898700][T16486] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 705.898701][T16486] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 705.898703][T16486] ? __dev_get_by_name (net/core/dev.c:905) [ 705.898705][T16486] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 705.898709][T16486] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 705.898711][T16486] rtnl_newlink (net/core/rtnetlink.c:4215) [ 705.898713][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898715][T16486] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 705.898716][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898717][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898719][T16486] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 705.898722][T16486] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 705.898723][T16486] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 705.898726][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898727][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898729][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898730][T16486] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 705.898731][T16486] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 705.898733][T16486] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 705.898734][T16486] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 705.898736][T16486] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 705.898739][T16486] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 705.898742][T16486] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 705.898744][T16486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.898745][T16486] ? netlink_ack (./include/linux/skbuff.h:2718) [ 705.898747][T16486] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 705.898750][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898751][T16486] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.898753][T16486] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 705.898756][T16486] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 705.898758][T16486] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 705.898760][T16486] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 705.898763][T16486] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 705.898766][T16486] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 705.898768][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898769][T16486] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 705.898773][T16486] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 705.898776][T16486] ____sys_sendmsg (net/socket.c:2713) [ 705.898777][T16486] ? copy_msghdr_from_user (net/socket.c:2650) [ 705.898779][T16486] ? sock_write_iter (net/socket.c:1269) [ 705.898781][T16486] ? move_addr_to_kernel (net/socket.c:258) [ 705.898783][T16486] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 705.898785][T16486] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.898787][T16486] ___sys_sendmsg (net/socket.c:2767) [ 705.898789][T16486] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 705.898790][T16486] ? copy_msghdr_from_user (net/socket.c:2619) [ 705.898792][T16486] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 705.898797][T16486] __sys_sendmsg (net/socket.c:2799) [ 705.898799][T16486] ? __sys_sendmsg_sock (net/socket.c:2780) [ 705.898801][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898802][T16486] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.898804][T16486] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 705.898806][T16486] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 705.898808][T16486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 705.898810][T16486] RIP: 0033:0x7fbe008e754e [ 705.898812][T16486] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 705.898814][T16486] RSP: 002b:00007fff3f2b1de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 705.898817][T16486] RAX: ffffffffffffffda RBX: 00007fff3f2b25a8 RCX: 00007fbe008e754e [ 705.898819][T16486] RDX: 0000000000000000 RSI: 00007fff3f2b1e90 RDI: 0000000000000005 [ 705.898820][T16486] RBP: 00007fff3f2b1df0 R08: 0000000000000000 R09: 0000000000000000 [ 705.898820][T16486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a39 [ 705.898821][T16486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3f2b2560 | [ 712.356918][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 712.356921][ T12] Preemption disabled at: | [ 712.356921][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 712.356931][ T12] Tainted: [W]=WARN [ 712.356932][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 712.356934][ T12] Workqueue: netns cleanup_net [ 712.356940][ T12] Call Trace: [ 712.356941][ T12] [ 712.356943][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 712.356948][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 712.356950][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 712.356953][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 712.356955][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 712.356958][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.356961][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 712.356964][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 712.356967][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 712.356971][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 712.356973][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 712.356976][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 712.356977][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 712.356979][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 712.356981][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 712.356986][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 712.356988][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 712.356990][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 712.356992][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.356993][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.356995][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 712.356998][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 712.357000][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.357001][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.357002][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.357003][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 712.357005][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 712.357007][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 712.357009][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 712.357012][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 712.357014][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 712.357015][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 712.357017][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.357018][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 712.357020][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 712.357021][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 712.357023][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 712.357025][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 712.357026][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 712.357028][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 712.357029][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 712.357030][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 712.357033][ T12] ? kthread (kernel/kthread.c:436) [ 712.357036][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 712.357038][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 712.357041][ T12] _printk (kernel/printk/printk.c:2504) [ 712.357044][ T12] ? snapshot_read.cold (user.c:?) [ 712.357046][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 712.357050][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 712.357052][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 712.357054][ T12] ? netdev_notice (net/core/dev.c:13194) [ 712.357056][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.357057][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 712.357059][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 712.357061][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 712.357063][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 712.357064][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 712.357066][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 712.357069][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 712.357073][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 712.357075][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 712.357077][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 712.357079][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 712.357081][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 712.357084][ T12] cleanup_net (net/core/net_namespace.c:706) [ 712.357086][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 712.357088][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 712.357089][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 712.357091][ T12] process_one_work (kernel/workqueue.c:3387) [ 712.357094][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 712.357096][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 712.357099][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 712.357102][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 712.357104][ T12] kthread (kernel/kthread.c:436) [ 712.357106][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 712.357107][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 712.357109][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 712.357111][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 712.357113][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 712.357116][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 712.357118][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 713.529299][T16638] softirqs last disabled at (0): 0x0 | [ 713.529301][T16638] Preemption disabled at: | [ 713.529302][T16638] vprintk_emit (kernel/printk/printk.c:2471) | [ 713.529312][T16638] Tainted: [W]=WARN [ 713.529313][T16638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 713.529314][T16638] Call Trace: [ 713.529316][T16638] [ 713.529317][T16638] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 713.529322][T16638] ? vprintk_emit (kernel/printk/printk.c:2471) [ 713.529324][T16638] __might_resched.cold (kernel/sched/core.c:9234) [ 713.529327][T16638] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 713.529330][T16638] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 713.529333][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529336][T16638] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 713.529339][T16638] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.529342][T16638] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 713.529347][T16638] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 713.529349][T16638] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 713.529352][T16638] put_chars (drivers/char/virtio_console.c:1176) [ 713.529353][T16638] ? __send_to_port (drivers/char/virtio_console.c:654) [ 713.529355][T16638] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 713.529358][T16638] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 713.529362][T16638] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 713.529364][T16638] ? vsnprintf (lib/vsprintf.c:2900) [ 713.529368][T16638] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.529369][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529370][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529372][T16638] console_emit_next_record (kernel/printk/printk.c:3183) [ 713.529375][T16638] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 713.529377][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529378][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529379][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529380][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529382][T16638] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 713.529384][T16638] console_flush_one_record (kernel/printk/printk.c:3268) [ 713.529387][T16638] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 713.529389][T16638] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 713.529391][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529393][T16638] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 713.529395][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529396][T16638] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.529398][T16638] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 713.529399][T16638] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 713.529401][T16638] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 713.529403][T16638] ? vprintk_emit (kernel/printk/printk.c:2478) [ 713.529404][T16638] vprintk_emit (kernel/printk/printk.c:2479) [ 713.529406][T16638] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 713.529407][T16638] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.529409][T16638] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 713.529412][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529413][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529415][T16638] _printk (kernel/printk/printk.c:2504) [ 713.529418][T16638] ? snapshot_read.cold (user.c:?) [ 713.529420][T16638] ? br_multicast_flood (??:?) [ 713.529423][T16638] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 713.529426][T16638] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 713.529427][T16638] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 713.529429][T16638] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 713.529432][T16638] br_init_port (net/bridge/br_stp_if.c:39) [ 713.529434][T16638] new_nbp (net/bridge/br_if.c:449) [ 713.529436][T16638] br_add_if (net/bridge/br_if.c:592) [ 713.529438][T16638] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 713.529442][T16638] do_set_master (net/core/rtnetlink.c:3071) [ 713.529444][T16638] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 713.529446][T16638] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 713.529447][T16638] ? __dev_get_by_name (net/core/dev.c:905) [ 713.529449][T16638] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 713.529453][T16638] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 713.529455][T16638] rtnl_newlink (net/core/rtnetlink.c:4215) [ 713.529458][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529459][T16638] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 713.529460][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529462][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529463][T16638] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 713.529466][T16638] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 713.529468][T16638] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 713.529470][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529471][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529473][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529474][T16638] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 713.529475][T16638] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 713.529477][T16638] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 713.529479][T16638] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 713.529480][T16638] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 713.529484][T16638] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 713.529487][T16638] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 713.529488][T16638] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.529490][T16638] ? netlink_ack (./include/linux/skbuff.h:2718) [ 713.529491][T16638] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 713.529494][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529495][T16638] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.529498][T16638] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 713.529500][T16638] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 713.529502][T16638] ? next_uptodate_folio (mm/filemap.c:3747) [ 713.529505][T16638] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 713.529507][T16638] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 713.529509][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529510][T16638] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 713.529514][T16638] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 713.529517][T16638] ____sys_sendmsg (net/socket.c:2713) [ 713.529518][T16638] ? copy_msghdr_from_user (net/socket.c:2650) [ 713.529520][T16638] ? sock_write_iter (net/socket.c:1269) [ 713.529522][T16638] ? move_addr_to_kernel (net/socket.c:258) [ 713.529524][T16638] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 713.529526][T16638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.529528][T16638] ___sys_sendmsg (net/socket.c:2767) [ 713.529530][T16638] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 713.529532][T16638] ? copy_msghdr_from_user (net/socket.c:2619) [ 713.529533][T16638] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 713.529541][T16638] __sys_sendmsg (net/socket.c:2799) [ 713.529544][T16638] ? __sys_sendmsg_sock (net/socket.c:2780) [ 713.529546][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529548][T16638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.529549][T16638] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 713.529552][T16638] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 713.529554][T16638] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 713.529556][T16638] RIP: 0033:0x7fbb72a3a54e [ 713.529557][T16638] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 713.529559][T16638] RSP: 002b:00007fffecc6d050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 713.529563][T16638] RAX: ffffffffffffffda RBX: 00007fffecc6d818 RCX: 00007fbb72a3a54e [ 713.529564][T16638] RDX: 0000000000000000 RSI: 00007fffecc6d100 RDI: 0000000000000005 [ 713.529566][T16638] RBP: 00007fffecc6d060 R08: 0000000000000000 R09: 0000000000000000 [ 713.529566][T16638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a40 [ 713.529567][T16638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffecc6d7d0 | [ 714.814135][T16706] softirqs last disabled at (0): 0x0 | [ 714.814137][T16706] Preemption disabled at: | [ 714.814137][T16706] vprintk_emit (kernel/printk/printk.c:2471) | [ 714.814147][T16706] Tainted: [W]=WARN [ 714.814148][T16706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 714.814150][T16706] Call Trace: [ 714.814151][T16706] [ 714.814153][T16706] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 714.814158][T16706] ? vprintk_emit (kernel/printk/printk.c:2471) [ 714.814160][T16706] __might_resched.cold (kernel/sched/core.c:9234) [ 714.814164][T16706] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 714.814167][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814170][T16706] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 714.814172][T16706] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.814175][T16706] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 714.814180][T16706] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 714.814182][T16706] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 714.814184][T16706] put_chars (drivers/char/virtio_console.c:1176) [ 714.814186][T16706] ? __send_to_port (drivers/char/virtio_console.c:654) [ 714.814187][T16706] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 714.814190][T16706] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 714.814192][T16706] ? pointer (lib/vsprintf.c:2577) [ 714.814195][T16706] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 714.814200][T16706] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 714.814201][T16706] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.814203][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814206][T16706] console_emit_next_record (kernel/printk/printk.c:3183) [ 714.814209][T16706] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 714.814211][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814212][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814213][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814214][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814216][T16706] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 714.814218][T16706] console_flush_one_record (kernel/printk/printk.c:3268) [ 714.814220][T16706] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 714.814223][T16706] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 714.814225][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814227][T16706] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 714.814228][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814229][T16706] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.814231][T16706] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 714.814232][T16706] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 714.814234][T16706] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 714.814236][T16706] ? vprintk_emit (kernel/printk/printk.c:2478) [ 714.814237][T16706] vprintk_emit (kernel/printk/printk.c:2479) [ 714.814239][T16706] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 714.814240][T16706] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 714.814243][T16706] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 714.814246][T16706] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 714.814248][T16706] _printk (kernel/printk/printk.c:2504) [ 714.814251][T16706] ? snapshot_read.cold (user.c:?) [ 714.814253][T16706] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 714.814255][T16706] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 714.814258][T16706] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 714.814260][T16706] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 714.814264][T16706] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 714.814266][T16706] ? netdev_notice (net/core/dev.c:13194) [ 714.814268][T16706] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 714.814269][T16706] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 714.814272][T16706] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.814274][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814275][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814276][T16706] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 714.814277][T16706] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 714.814279][T16706] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 714.814280][T16706] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 714.814281][T16706] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 714.814283][T16706] ? register_netdev (net/core/dev.c:11618) [ 714.814284][T16706] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.814286][T16706] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 714.814289][T16706] ? __kernel_text_address (kernel/extable.c:79) [ 714.814291][T16706] ? write_profile (profile.c:?) [ 714.814294][T16706] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 714.814298][T16706] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 714.814300][T16706] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 714.814301][T16706] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 714.814303][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814304][T16706] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 714.814307][T16706] ? kasan_save_stack (mm/kasan/common.c:58) [ 714.814309][T16706] ? kasan_save_stack (mm/kasan/common.c:57) [ 714.814310][T16706] ? kasan_save_track (mm/kasan/common.c:78) [ 714.814311][T16706] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 714.814312][T16706] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 714.814313][T16706] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 714.814314][T16706] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 714.814315][T16706] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 714.814318][T16706] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 714.814320][T16706] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 714.814321][T16706] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 714.814324][T16706] ? ____sys_sendmsg (net/socket.c:2713) [ 714.814325][T16706] ? ___sys_sendmsg (net/socket.c:2767) [ 714.814327][T16706] ? __sys_sendmsg (net/socket.c:2799) [ 714.814329][T16706] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 714.814331][T16706] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 714.814333][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814334][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814336][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814337][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814338][T16706] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 714.814339][T16706] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 714.814341][T16706] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 714.814342][T16706] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 714.814344][T16706] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 714.814345][T16706] ? nla_get_range_signed (lib/nlattr.c:270) [ 714.814348][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814349][T16706] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 714.814351][T16706] rtnl_newlink (net/core/rtnetlink.c:4215) [ 714.814353][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814355][T16706] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 714.814356][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814357][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814359][T16706] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 714.814361][T16706] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 714.814362][T16706] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 714.814364][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814365][T16706] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 714.814368][T16706] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 714.814370][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814372][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814373][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814374][T16706] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 714.814376][T16706] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 714.814377][T16706] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 714.814379][T16706] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 714.814380][T16706] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 714.814382][T16706] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 714.814384][T16706] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 714.814386][T16706] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.814387][T16706] ? netlink_ack (./include/linux/skbuff.h:2718) [ 714.814389][T16706] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 714.814392][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814393][T16706] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.814395][T16706] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 714.814397][T16706] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 714.814399][T16706] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 714.814401][T16706] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 714.814403][T16706] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 714.814405][T16706] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 714.814406][T16706] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.814408][T16706] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 714.814411][T16706] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 714.814413][T16706] ____sys_sendmsg (net/socket.c:2713) [ 714.814415][T16706] ? copy_msghdr_from_user (net/socket.c:2650) [ 714.814416][T16706] ? sock_write_iter (net/socket.c:1269) [ 714.814418][T16706] ? move_addr_to_kernel (net/socket.c:258) [ 714.814419][T16706] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 714.814422][T16706] ___sys_sendmsg (net/socket.c:2767) [ 714.814424][T16706] ? copy_msghdr_from_user (net/socket.c:2619) [ 714.814429][T16706] __sys_sendmsg (net/socket.c:2799) [ 714.814431][T16706] ? __sys_sendmsg_sock (net/socket.c:2780) [ 714.814434][T16706] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.814435][T16706] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 714.814437][T16706] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 714.814439][T16706] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 714.814441][T16706] RIP: 0033:0x7ff7e681954e [ 714.814443][T16706] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 714.814445][T16706] RSP: 002b:00007fffb041c3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 714.814448][T16706] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff7e681954e [ 714.814450][T16706] RDX: 0000000000000000 RSI: 00007fffb041c460 RDI: 0000000000000005 [ 714.814451][T16706] RBP: 00007fffb041c3c0 R08: 0000000000000000 R09: 0000000000000000 [ 714.814452][T16706] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a42 [ 714.814453][T16706] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb041cb20 | [ 715.888174][T16764] softirqs last disabled at (0): 0x0 | [ 715.888176][T16764] Preemption disabled at: | [ 715.888177][T16764] vprintk_emit (kernel/printk/printk.c:2471) | [ 715.888187][T16764] Tainted: [W]=WARN [ 715.888188][T16764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 715.888190][T16764] Call Trace: [ 715.888192][T16764] [ 715.888193][T16764] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 715.888199][T16764] ? vprintk_emit (kernel/printk/printk.c:2471) [ 715.888201][T16764] __might_resched.cold (kernel/sched/core.c:9234) [ 715.888204][T16764] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 715.888206][T16764] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 715.888210][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888213][T16764] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 715.888216][T16764] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.888219][T16764] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 715.888224][T16764] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 715.888225][T16764] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 715.888228][T16764] put_chars (drivers/char/virtio_console.c:1176) [ 715.888230][T16764] ? __send_to_port (drivers/char/virtio_console.c:654) [ 715.888232][T16764] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 715.888234][T16764] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 715.888239][T16764] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 715.888241][T16764] ? vsnprintf (lib/vsprintf.c:2900) [ 715.888244][T16764] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.888246][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888247][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888249][T16764] console_emit_next_record (kernel/printk/printk.c:3183) [ 715.888251][T16764] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 715.888253][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888254][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888255][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888256][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888259][T16764] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 715.888261][T16764] console_flush_one_record (kernel/printk/printk.c:3268) [ 715.888263][T16764] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 715.888266][T16764] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 715.888268][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888270][T16764] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 715.888271][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888272][T16764] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.888274][T16764] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 715.888275][T16764] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 715.888277][T16764] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 715.888279][T16764] ? vprintk_emit (kernel/printk/printk.c:2478) [ 715.888280][T16764] vprintk_emit (kernel/printk/printk.c:2479) [ 715.888282][T16764] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 715.888283][T16764] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.888285][T16764] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 715.888288][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888289][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888291][T16764] _printk (kernel/printk/printk.c:2504) [ 715.888294][T16764] ? snapshot_read.cold (user.c:?) [ 715.888296][T16764] ? br_multicast_flood (??:?) [ 715.888299][T16764] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 715.888302][T16764] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 715.888303][T16764] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 715.888305][T16764] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 715.888308][T16764] br_init_port (net/bridge/br_stp_if.c:39) [ 715.888310][T16764] new_nbp (net/bridge/br_if.c:449) [ 715.888312][T16764] br_add_if (net/bridge/br_if.c:592) [ 715.888314][T16764] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 715.888318][T16764] do_set_master (net/core/rtnetlink.c:3071) [ 715.888320][T16764] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 715.888322][T16764] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 715.888323][T16764] ? __dev_get_by_name (net/core/dev.c:905) [ 715.888326][T16764] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 715.888330][T16764] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 715.888333][T16764] rtnl_newlink (net/core/rtnetlink.c:4215) [ 715.888335][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888336][T16764] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 715.888338][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888339][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888341][T16764] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 715.888343][T16764] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 715.888345][T16764] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 715.888348][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888349][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888350][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888352][T16764] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 715.888353][T16764] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 715.888355][T16764] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 715.888356][T16764] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 715.888357][T16764] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 715.888361][T16764] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 715.888364][T16764] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 715.888365][T16764] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.888367][T16764] ? netlink_ack (./include/linux/skbuff.h:2718) [ 715.888369][T16764] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 715.888372][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888373][T16764] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.888375][T16764] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 715.888377][T16764] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 715.888379][T16764] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 715.888382][T16764] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 715.888384][T16764] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 715.888387][T16764] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 715.888389][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888390][T16764] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 715.888394][T16764] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 715.888397][T16764] ____sys_sendmsg (net/socket.c:2713) [ 715.888399][T16764] ? copy_msghdr_from_user (net/socket.c:2650) [ 715.888400][T16764] ? sock_write_iter (net/socket.c:1269) [ 715.888402][T16764] ? move_addr_to_kernel (net/socket.c:258) [ 715.888404][T16764] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 715.888406][T16764] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.888408][T16764] ___sys_sendmsg (net/socket.c:2767) [ 715.888410][T16764] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 715.888412][T16764] ? copy_msghdr_from_user (net/socket.c:2619) [ 715.888413][T16764] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 715.888418][T16764] __sys_sendmsg (net/socket.c:2799) [ 715.888420][T16764] ? __sys_sendmsg_sock (net/socket.c:2780) [ 715.888423][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888424][T16764] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.888425][T16764] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 715.888428][T16764] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 715.888430][T16764] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.888432][T16764] RIP: 0033:0x7f26a180e54e [ 715.888434][T16764] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 715.888435][T16764] RSP: 002b:00007ffc33d584b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 715.888439][T16764] RAX: ffffffffffffffda RBX: 00007ffc33d58c78 RCX: 00007f26a180e54e [ 715.888440][T16764] RDX: 0000000000000000 RSI: 00007ffc33d58560 RDI: 0000000000000005 [ 715.888441][T16764] RBP: 00007ffc33d584c0 R08: 0000000000000000 R09: 0000000000000000 [ 715.888442][T16764] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a43 [ 715.888443][T16764] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc33d58c30 | [ 722.352919][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 722.352922][ T12] Preemption disabled at: | [ 722.352923][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 722.352933][ T12] Tainted: [W]=WARN [ 722.352934][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 722.352935][ T12] Workqueue: netns cleanup_net [ 722.352942][ T12] Call Trace: [ 722.352943][ T12] [ 722.352944][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 722.352950][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 722.352951][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 722.352955][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 722.352957][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 722.352961][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.352963][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 722.352966][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 722.352969][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 722.352974][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 722.352976][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 722.352979][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 722.352980][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 722.352982][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 722.352985][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 722.352989][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 722.352991][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 722.352993][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 722.352995][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.352996][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.352998][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 722.353000][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 722.353003][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.353004][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.353005][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.353006][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 722.353008][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 722.353010][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 722.353012][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 722.353015][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 722.353017][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 722.353018][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 722.353020][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.353021][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 722.353023][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 722.353024][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 722.353026][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 722.353027][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 722.353029][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 722.353031][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 722.353032][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 722.353033][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 722.353036][ T12] ? kthread (kernel/kthread.c:436) [ 722.353038][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 722.353041][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 722.353044][ T12] _printk (kernel/printk/printk.c:2504) [ 722.353047][ T12] ? snapshot_read.cold (user.c:?) [ 722.353049][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 722.353052][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 722.353054][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 722.353056][ T12] ? netdev_notice (net/core/dev.c:13194) [ 722.353059][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.353060][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 722.353061][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 722.353064][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 722.353066][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 722.353067][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 722.353070][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 722.353072][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 722.353076][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 722.353079][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 722.353081][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 722.353083][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 722.353085][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 722.353088][ T12] cleanup_net (net/core/net_namespace.c:706) [ 722.353090][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 722.353092][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 722.353093][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 722.353095][ T12] process_one_work (kernel/workqueue.c:3387) [ 722.353098][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 722.353101][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 722.353103][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 722.353106][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 722.353108][ T12] kthread (kernel/kthread.c:436) [ 722.353109][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 722.353111][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 722.353113][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 722.353115][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 722.353117][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 722.353120][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 722.353122][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 723.509452][T16909] softirqs last disabled at (0): 0x0 | [ 723.509454][T16909] Preemption disabled at: | [ 723.509455][T16909] vprintk_emit (kernel/printk/printk.c:2471) | [ 723.509465][T16909] Tainted: [W]=WARN [ 723.509466][T16909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 723.509468][T16909] Call Trace: [ 723.509470][T16909] [ 723.509471][T16909] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 723.509477][T16909] ? vprintk_emit (kernel/printk/printk.c:2471) [ 723.509479][T16909] __might_resched.cold (kernel/sched/core.c:9234) [ 723.509482][T16909] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 723.509485][T16909] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 723.509488][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509490][T16909] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 723.509493][T16909] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.509497][T16909] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 723.509502][T16909] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 723.509504][T16909] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 723.509506][T16909] put_chars (drivers/char/virtio_console.c:1176) [ 723.509508][T16909] ? __send_to_port (drivers/char/virtio_console.c:654) [ 723.509510][T16909] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 723.509512][T16909] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 723.509516][T16909] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 723.509518][T16909] ? vsnprintf (lib/vsprintf.c:2900) [ 723.509521][T16909] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.509523][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509524][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509526][T16909] console_emit_next_record (kernel/printk/printk.c:3183) [ 723.509528][T16909] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 723.509530][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509531][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509532][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509533][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509536][T16909] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 723.509537][T16909] console_flush_one_record (kernel/printk/printk.c:3268) [ 723.509540][T16909] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 723.509543][T16909] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 723.509545][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509546][T16909] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 723.509548][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509549][T16909] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.509551][T16909] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 723.509552][T16909] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 723.509554][T16909] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 723.509556][T16909] ? vprintk_emit (kernel/printk/printk.c:2478) [ 723.509557][T16909] vprintk_emit (kernel/printk/printk.c:2479) [ 723.509563][T16909] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 723.509564][T16909] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.509566][T16909] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 723.509569][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509571][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509572][T16909] _printk (kernel/printk/printk.c:2504) [ 723.509575][T16909] ? snapshot_read.cold (user.c:?) [ 723.509577][T16909] ? br_multicast_flood (??:?) [ 723.509581][T16909] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 723.509584][T16909] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 723.509585][T16909] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 723.509587][T16909] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 723.509589][T16909] br_init_port (net/bridge/br_stp_if.c:39) [ 723.509591][T16909] new_nbp (net/bridge/br_if.c:449) [ 723.509593][T16909] br_add_if (net/bridge/br_if.c:592) [ 723.509595][T16909] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 723.509600][T16909] do_set_master (net/core/rtnetlink.c:3071) [ 723.509601][T16909] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 723.509603][T16909] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 723.509604][T16909] ? __dev_get_by_name (net/core/dev.c:905) [ 723.509606][T16909] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 723.509610][T16909] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 723.509613][T16909] rtnl_newlink (net/core/rtnetlink.c:4215) [ 723.509615][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509616][T16909] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 723.509617][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509619][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509620][T16909] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 723.509623][T16909] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 723.509625][T16909] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 723.509627][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509628][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509630][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509631][T16909] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 723.509632][T16909] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 723.509634][T16909] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 723.509636][T16909] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 723.509637][T16909] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 723.509641][T16909] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 723.509644][T16909] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 723.509645][T16909] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.509647][T16909] ? netlink_ack (./include/linux/skbuff.h:2718) [ 723.509648][T16909] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 723.509651][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509652][T16909] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.509654][T16909] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 723.509656][T16909] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 723.509658][T16909] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 723.509661][T16909] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 723.509664][T16909] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 723.509666][T16909] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 723.509668][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509669][T16909] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 723.509673][T16909] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 723.509676][T16909] ____sys_sendmsg (net/socket.c:2713) [ 723.509677][T16909] ? copy_msghdr_from_user (net/socket.c:2650) [ 723.509679][T16909] ? sock_write_iter (net/socket.c:1269) [ 723.509681][T16909] ? move_addr_to_kernel (net/socket.c:258) [ 723.509683][T16909] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 723.509685][T16909] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.509687][T16909] ___sys_sendmsg (net/socket.c:2767) [ 723.509689][T16909] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 723.509691][T16909] ? copy_msghdr_from_user (net/socket.c:2619) [ 723.509692][T16909] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 723.509697][T16909] __sys_sendmsg (net/socket.c:2799) [ 723.509699][T16909] ? __sys_sendmsg_sock (net/socket.c:2780) [ 723.509701][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509703][T16909] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.509704][T16909] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 723.509706][T16909] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 723.509708][T16909] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 723.509710][T16909] RIP: 0033:0x7fa580cb154e [ 723.509712][T16909] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 723.509714][T16909] RSP: 002b:00007ffec68749f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 723.509718][T16909] RAX: ffffffffffffffda RBX: 00007ffec68751b8 RCX: 00007fa580cb154e [ 723.509719][T16909] RDX: 0000000000000000 RSI: 00007ffec6874aa0 RDI: 0000000000000005 [ 723.509720][T16909] RBP: 00007ffec6874a00 R08: 0000000000000000 R09: 0000000000000000 [ 723.509721][T16909] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a4a [ 723.509722][T16909] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec6875170 | [ 724.818886][T16979] softirqs last disabled at (0): 0x0 | [ 724.818888][T16979] Preemption disabled at: | [ 724.818889][T16979] vprintk_emit (kernel/printk/printk.c:2471) | [ 724.818899][T16979] Tainted: [W]=WARN [ 724.818900][T16979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 724.818902][T16979] Call Trace: [ 724.818904][T16979] [ 724.818905][T16979] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 724.818911][T16979] ? vprintk_emit (kernel/printk/printk.c:2471) [ 724.818912][T16979] __might_resched.cold (kernel/sched/core.c:9234) [ 724.818916][T16979] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 724.818919][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.818922][T16979] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 724.818925][T16979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 724.818928][T16979] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 724.818933][T16979] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 724.818934][T16979] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 724.818937][T16979] put_chars (drivers/char/virtio_console.c:1176) [ 724.818939][T16979] ? __send_to_port (drivers/char/virtio_console.c:654) [ 724.818940][T16979] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 724.818942][T16979] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 724.818944][T16979] ? pointer (lib/vsprintf.c:2577) [ 724.818948][T16979] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 724.818953][T16979] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 724.818954][T16979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 724.818956][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.818959][T16979] console_emit_next_record (kernel/printk/printk.c:3183) [ 724.818962][T16979] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 724.818964][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.818965][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.818966][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.818967][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.818969][T16979] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 724.818971][T16979] console_flush_one_record (kernel/printk/printk.c:3268) [ 724.818973][T16979] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 724.818976][T16979] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 724.818978][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.818979][T16979] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 724.818981][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.818982][T16979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.818984][T16979] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 724.818985][T16979] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 724.818987][T16979] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 724.818988][T16979] ? vprintk_emit (kernel/printk/printk.c:2478) [ 724.818990][T16979] vprintk_emit (kernel/printk/printk.c:2479) [ 724.818992][T16979] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 724.818993][T16979] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 724.818995][T16979] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 724.818999][T16979] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 724.819001][T16979] _printk (kernel/printk/printk.c:2504) [ 724.819004][T16979] ? snapshot_read.cold (user.c:?) [ 724.819006][T16979] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 724.819008][T16979] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 724.819012][T16979] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 724.819014][T16979] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 724.819017][T16979] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 724.819019][T16979] ? netdev_notice (net/core/dev.c:13194) [ 724.819021][T16979] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 724.819023][T16979] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 724.819025][T16979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 724.819027][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819028][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819029][T16979] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 724.819030][T16979] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 724.819032][T16979] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 724.819033][T16979] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 724.819034][T16979] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 724.819037][T16979] ? register_netdev (net/core/dev.c:11618) [ 724.819038][T16979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.819040][T16979] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 724.819042][T16979] ? __kernel_text_address (kernel/extable.c:79) [ 724.819045][T16979] ? write_profile (profile.c:?) [ 724.819048][T16979] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 724.819052][T16979] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 724.819054][T16979] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 724.819055][T16979] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 724.819056][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819057][T16979] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 724.819061][T16979] ? kasan_save_stack (mm/kasan/common.c:58) [ 724.819063][T16979] ? kasan_save_stack (mm/kasan/common.c:57) [ 724.819064][T16979] ? kasan_save_track (mm/kasan/common.c:78) [ 724.819065][T16979] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 724.819066][T16979] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 724.819067][T16979] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 724.819069][T16979] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 724.819070][T16979] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 724.819073][T16979] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 724.819074][T16979] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 724.819076][T16979] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 724.819078][T16979] ? ____sys_sendmsg (net/socket.c:2713) [ 724.819080][T16979] ? ___sys_sendmsg (net/socket.c:2767) [ 724.819081][T16979] ? __sys_sendmsg (net/socket.c:2799) [ 724.819083][T16979] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 724.819085][T16979] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 724.819087][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819089][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.819090][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819091][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819092][T16979] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 724.819094][T16979] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 724.819095][T16979] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 724.819096][T16979] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 724.819098][T16979] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 724.819099][T16979] ? nla_get_range_signed (lib/nlattr.c:270) [ 724.819102][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819103][T16979] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 724.819105][T16979] rtnl_newlink (net/core/rtnetlink.c:4215) [ 724.819107][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819109][T16979] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 724.819110][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.819111][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819113][T16979] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 724.819115][T16979] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 724.819116][T16979] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 724.819117][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819119][T16979] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 724.819122][T16979] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 724.819124][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819125][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.819127][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819128][T16979] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 724.819129][T16979] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 724.819131][T16979] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 724.819132][T16979] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 724.819134][T16979] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 724.819136][T16979] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 724.819138][T16979] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 724.819139][T16979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.819141][T16979] ? netlink_ack (./include/linux/skbuff.h:2718) [ 724.819143][T16979] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 724.819146][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819147][T16979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.819149][T16979] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 724.819151][T16979] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 724.819153][T16979] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 724.819155][T16979] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 724.819157][T16979] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 724.819158][T16979] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 724.819160][T16979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.819161][T16979] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 724.819164][T16979] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 724.819166][T16979] ____sys_sendmsg (net/socket.c:2713) [ 724.819168][T16979] ? copy_msghdr_from_user (net/socket.c:2650) [ 724.819170][T16979] ? sock_write_iter (net/socket.c:1269) [ 724.819171][T16979] ? move_addr_to_kernel (net/socket.c:258) [ 724.819172][T16979] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 724.819175][T16979] ___sys_sendmsg (net/socket.c:2767) [ 724.819177][T16979] ? copy_msghdr_from_user (net/socket.c:2619) [ 724.819182][T16979] __sys_sendmsg (net/socket.c:2799) [ 724.819184][T16979] ? __sys_sendmsg_sock (net/socket.c:2780) [ 724.819187][T16979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.819188][T16979] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 724.819190][T16979] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 724.819192][T16979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 724.819193][T16979] RIP: 0033:0x7fa6ed08c54e [ 724.819195][T16979] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 724.819197][T16979] RSP: 002b:00007ffd3f919b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 724.819200][T16979] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa6ed08c54e [ 724.819202][T16979] RDX: 0000000000000000 RSI: 00007ffd3f919be0 RDI: 0000000000000005 [ 724.819203][T16979] RBP: 00007ffd3f919b40 R08: 0000000000000000 R09: 0000000000000000 [ 724.819204][T16979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a4c [ 724.819204][T16979] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3f91a2a0 | [ 725.875755][T17029] softirqs last disabled at (0): 0x0 | [ 725.875757][T17029] Preemption disabled at: | [ 725.875758][T17029] vprintk_emit (kernel/printk/printk.c:2471) | [ 725.875768][T17029] Tainted: [W]=WARN [ 725.875769][T17029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 725.875770][T17029] Call Trace: [ 725.875772][T17029] [ 725.875773][T17029] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 725.875779][T17029] ? vprintk_emit (kernel/printk/printk.c:2471) [ 725.875780][T17029] __might_resched.cold (kernel/sched/core.c:9234) [ 725.875784][T17029] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 725.875786][T17029] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 725.875789][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875792][T17029] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 725.875795][T17029] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.875798][T17029] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 725.875803][T17029] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 725.875805][T17029] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 725.875808][T17029] put_chars (drivers/char/virtio_console.c:1176) [ 725.875809][T17029] ? __send_to_port (drivers/char/virtio_console.c:654) [ 725.875811][T17029] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 725.875814][T17029] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 725.875819][T17029] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 725.875820][T17029] ? vsnprintf (lib/vsprintf.c:2900) [ 725.875824][T17029] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.875826][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875827][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875828][T17029] console_emit_next_record (kernel/printk/printk.c:3183) [ 725.875831][T17029] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 725.875833][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875835][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875836][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875837][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875842][T17029] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 725.875843][T17029] console_flush_one_record (kernel/printk/printk.c:3268) [ 725.875846][T17029] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 725.875849][T17029] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 725.875850][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875852][T17029] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 725.875854][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875855][T17029] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.875857][T17029] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 725.875858][T17029] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 725.875860][T17029] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 725.875862][T17029] ? vprintk_emit (kernel/printk/printk.c:2478) [ 725.875863][T17029] vprintk_emit (kernel/printk/printk.c:2479) [ 725.875865][T17029] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 725.875866][T17029] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.875868][T17029] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 725.875871][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875872][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875874][T17029] _printk (kernel/printk/printk.c:2504) [ 725.875877][T17029] ? snapshot_read.cold (user.c:?) [ 725.875879][T17029] ? br_multicast_flood (??:?) [ 725.875882][T17029] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 725.875885][T17029] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 725.875886][T17029] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 725.875888][T17029] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 725.875891][T17029] br_init_port (net/bridge/br_stp_if.c:39) [ 725.875893][T17029] new_nbp (net/bridge/br_if.c:449) [ 725.875895][T17029] br_add_if (net/bridge/br_if.c:592) [ 725.875897][T17029] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 725.875901][T17029] do_set_master (net/core/rtnetlink.c:3071) [ 725.875903][T17029] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 725.875905][T17029] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 725.875906][T17029] ? __dev_get_by_name (net/core/dev.c:905) [ 725.875908][T17029] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 725.875912][T17029] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 725.875914][T17029] rtnl_newlink (net/core/rtnetlink.c:4215) [ 725.875917][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875918][T17029] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 725.875919][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875921][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875922][T17029] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 725.875925][T17029] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 725.875927][T17029] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 725.875929][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875931][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875932][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875933][T17029] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 725.875935][T17029] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 725.875937][T17029] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 725.875938][T17029] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 725.875940][T17029] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 725.875943][T17029] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 725.875946][T17029] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 725.875948][T17029] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.875949][T17029] ? netlink_ack (./include/linux/skbuff.h:2718) [ 725.875951][T17029] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 725.875954][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.875955][T17029] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.875957][T17029] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 725.875959][T17029] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 725.875961][T17029] ? next_uptodate_folio (mm/filemap.c:3747) [ 725.875964][T17029] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 725.875966][T17029] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 725.875968][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875970][T17029] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 725.875973][T17029] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 725.875976][T17029] ____sys_sendmsg (net/socket.c:2713) [ 725.875978][T17029] ? copy_msghdr_from_user (net/socket.c:2650) [ 725.875980][T17029] ? sock_write_iter (net/socket.c:1269) [ 725.875981][T17029] ? move_addr_to_kernel (net/socket.c:258) [ 725.875984][T17029] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 725.875986][T17029] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.875988][T17029] ___sys_sendmsg (net/socket.c:2767) [ 725.875989][T17029] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 725.875991][T17029] ? copy_msghdr_from_user (net/socket.c:2619) [ 725.875993][T17029] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 725.875997][T17029] __sys_sendmsg (net/socket.c:2799) [ 725.876000][T17029] ? __sys_sendmsg_sock (net/socket.c:2780) [ 725.876002][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.876003][T17029] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.876005][T17029] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 725.876007][T17029] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 725.876009][T17029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.876011][T17029] RIP: 0033:0x7fae40baa54e [ 725.876013][T17029] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 725.876015][T17029] RSP: 002b:00007ffcf7aa9f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 725.876018][T17029] RAX: ffffffffffffffda RBX: 00007ffcf7aaa6e8 RCX: 00007fae40baa54e [ 725.876020][T17029] RDX: 0000000000000000 RSI: 00007ffcf7aa9fd0 RDI: 0000000000000005 [ 725.876021][T17029] RBP: 00007ffcf7aa9f30 R08: 0000000000000000 R09: 0000000000000000 [ 725.876022][T17029] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a4d [ 725.876023][T17029] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf7aaa6a0 | [ 761.289251][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 761.289254][ T12] Preemption disabled at: | [ 761.289255][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 761.289264][ T12] Tainted: [W]=WARN [ 761.289265][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 761.289267][ T12] Workqueue: netns cleanup_net [ 761.289273][ T12] Call Trace: [ 761.289274][ T12] [ 761.289276][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 761.289281][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 761.289283][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 761.289286][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 761.289289][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 761.289292][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289294][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 761.289297][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 761.289300][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 761.289305][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 761.289307][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 761.289309][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 761.289311][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 761.289313][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 761.289315][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 761.289320][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 761.289322][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 761.289324][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 761.289326][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289327][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289328][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 761.289331][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 761.289333][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289334][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289335][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289336][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 761.289339][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 761.289341][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 761.289343][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 761.289346][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 761.289347][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 761.289349][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 761.289351][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289352][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 761.289353][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 761.289355][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 761.289356][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 761.289358][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 761.289359][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 761.289361][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 761.289362][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 761.289364][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 761.289367][ T12] ? kthread (kernel/kthread.c:436) [ 761.289369][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 761.289371][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 761.289374][ T12] _printk (kernel/printk/printk.c:2504) [ 761.289377][ T12] ? snapshot_read.cold (user.c:?) [ 761.289379][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 761.289383][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 761.289385][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 761.289387][ T12] ? netdev_notice (net/core/dev.c:13194) [ 761.289389][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289390][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 761.289392][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 761.289395][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 761.289396][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 761.289398][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 761.289400][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 761.289402][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 761.289406][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 761.289408][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 761.289411][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 761.289413][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 761.289415][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 761.289418][ T12] cleanup_net (net/core/net_namespace.c:706) [ 761.289420][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 761.289422][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 761.289423][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 761.289425][ T12] process_one_work (kernel/workqueue.c:3387) [ 761.289428][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 761.289431][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 761.289433][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 761.289436][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 761.289438][ T12] kthread (kernel/kthread.c:436) [ 761.289440][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 761.289441][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 761.289443][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 761.289445][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 761.289447][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 761.289450][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 761.289452][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 762.489247][T19431] softirqs last disabled at (0): 0x0 | [ 762.489249][T19431] Preemption disabled at: | [ 762.489250][T19431] vprintk_emit (kernel/printk/printk.c:2471) | [ 762.489260][T19431] Tainted: [W]=WARN [ 762.489261][T19431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 762.489263][T19431] Call Trace: [ 762.489264][T19431] [ 762.489266][T19431] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 762.489271][T19431] ? vprintk_emit (kernel/printk/printk.c:2471) [ 762.489273][T19431] __might_resched.cold (kernel/sched/core.c:9234) [ 762.489276][T19431] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 762.489279][T19431] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 762.489282][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489285][T19431] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 762.489287][T19431] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 762.489290][T19431] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 762.489296][T19431] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 762.489297][T19431] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 762.489300][T19431] put_chars (drivers/char/virtio_console.c:1176) [ 762.489302][T19431] ? __send_to_port (drivers/char/virtio_console.c:654) [ 762.489304][T19431] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 762.489306][T19431] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 762.489311][T19431] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 762.489313][T19431] ? vsnprintf (lib/vsprintf.c:2900) [ 762.489316][T19431] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 762.489317][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489319][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489320][T19431] console_emit_next_record (kernel/printk/printk.c:3183) [ 762.489323][T19431] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 762.489325][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489326][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489327][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489328][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489330][T19431] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 762.489332][T19431] console_flush_one_record (kernel/printk/printk.c:3268) [ 762.489335][T19431] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 762.489337][T19431] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 762.489339][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489341][T19431] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 762.489343][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489344][T19431] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 762.489345][T19431] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 762.489347][T19431] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 762.489348][T19431] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 762.489350][T19431] ? vprintk_emit (kernel/printk/printk.c:2478) [ 762.489351][T19431] vprintk_emit (kernel/printk/printk.c:2479) [ 762.489353][T19431] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 762.489354][T19431] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 762.489356][T19431] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 762.489359][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489360][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489362][T19431] _printk (kernel/printk/printk.c:2504) [ 762.489365][T19431] ? snapshot_read.cold (user.c:?) [ 762.489367][T19431] ? br_multicast_flood (??:?) [ 762.489370][T19431] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 762.489373][T19431] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 762.489374][T19431] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 762.489376][T19431] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 762.489379][T19431] br_init_port (net/bridge/br_stp_if.c:39) [ 762.489380][T19431] new_nbp (net/bridge/br_if.c:449) [ 762.489383][T19431] br_add_if (net/bridge/br_if.c:592) [ 762.489384][T19431] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 762.489389][T19431] do_set_master (net/core/rtnetlink.c:3071) [ 762.489390][T19431] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 762.489392][T19431] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 762.489393][T19431] ? __dev_get_by_name (net/core/dev.c:905) [ 762.489395][T19431] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 762.489399][T19431] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 762.489402][T19431] rtnl_newlink (net/core/rtnetlink.c:4215) [ 762.489404][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489405][T19431] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 762.489406][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489408][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489409][T19431] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 762.489412][T19431] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 762.489414][T19431] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 762.489416][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489417][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489419][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489420][T19431] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 762.489421][T19431] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 762.489423][T19431] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 762.489424][T19431] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 762.489426][T19431] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 762.489430][T19431] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 762.489433][T19431] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 762.489434][T19431] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 762.489436][T19431] ? netlink_ack (./include/linux/skbuff.h:2718) [ 762.489438][T19431] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 762.489441][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489442][T19431] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 762.489444][T19431] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 762.489446][T19431] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 762.489448][T19431] ? next_uptodate_folio (mm/filemap.c:3747) [ 762.489451][T19431] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 762.489453][T19431] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 762.489455][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489457][T19431] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 762.489460][T19431] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 762.489463][T19431] ____sys_sendmsg (net/socket.c:2713) [ 762.489465][T19431] ? copy_msghdr_from_user (net/socket.c:2650) [ 762.489466][T19431] ? sock_write_iter (net/socket.c:1269) [ 762.489468][T19431] ? move_addr_to_kernel (net/socket.c:258) [ 762.489470][T19431] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 762.489473][T19431] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 762.489475][T19431] ___sys_sendmsg (net/socket.c:2767) [ 762.489476][T19431] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 762.489478][T19431] ? copy_msghdr_from_user (net/socket.c:2619) [ 762.489479][T19431] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 762.489484][T19431] __sys_sendmsg (net/socket.c:2799) [ 762.489486][T19431] ? __sys_sendmsg_sock (net/socket.c:2780) [ 762.489489][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489490][T19431] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 762.489492][T19431] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 762.489494][T19431] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 762.489496][T19431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 762.489498][T19431] RIP: 0033:0x7f0fb458254e [ 762.489500][T19431] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 762.489502][T19431] RSP: 002b:00007ffe195fd9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 762.489506][T19431] RAX: ffffffffffffffda RBX: 00007ffe195fe178 RCX: 00007f0fb458254e [ 762.489507][T19431] RDX: 0000000000000000 RSI: 00007ffe195fda60 RDI: 0000000000000005 [ 762.489508][T19431] RBP: 00007ffe195fd9c0 R08: 0000000000000000 R09: 0000000000000000 [ 762.489509][T19431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a71 [ 762.489510][T19431] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe195fe130 | [ 763.793971][T19500] softirqs last disabled at (0): 0x0 | [ 763.793973][T19500] Preemption disabled at: | [ 763.793974][T19500] vprintk_emit (kernel/printk/printk.c:2471) | [ 763.793984][T19500] Tainted: [W]=WARN [ 763.793985][T19500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 763.793986][T19500] Call Trace: [ 763.793988][T19500] [ 763.793989][T19500] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 763.793995][T19500] ? vprintk_emit (kernel/printk/printk.c:2471) [ 763.793996][T19500] __might_resched.cold (kernel/sched/core.c:9234) [ 763.794000][T19500] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 763.794004][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794006][T19500] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 763.794009][T19500] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 763.794012][T19500] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 763.794017][T19500] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 763.794019][T19500] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 763.794021][T19500] put_chars (drivers/char/virtio_console.c:1176) [ 763.794023][T19500] ? __send_to_port (drivers/char/virtio_console.c:654) [ 763.794024][T19500] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 763.794026][T19500] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 763.794028][T19500] ? pointer (lib/vsprintf.c:2577) [ 763.794032][T19500] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 763.794037][T19500] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 763.794038][T19500] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 763.794040][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794043][T19500] console_emit_next_record (kernel/printk/printk.c:3183) [ 763.794046][T19500] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 763.794048][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794049][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794050][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794051][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794053][T19500] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 763.794055][T19500] console_flush_one_record (kernel/printk/printk.c:3268) [ 763.794057][T19500] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 763.794060][T19500] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 763.794062][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794064][T19500] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 763.794066][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794067][T19500] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 763.794068][T19500] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 763.794070][T19500] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 763.794071][T19500] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 763.794073][T19500] ? vprintk_emit (kernel/printk/printk.c:2478) [ 763.794074][T19500] vprintk_emit (kernel/printk/printk.c:2479) [ 763.794076][T19500] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 763.794077][T19500] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 763.794080][T19500] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 763.794083][T19500] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 763.794085][T19500] _printk (kernel/printk/printk.c:2504) [ 763.794088][T19500] ? snapshot_read.cold (user.c:?) [ 763.794090][T19500] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 763.794093][T19500] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 763.794096][T19500] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 763.794098][T19500] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 763.794101][T19500] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 763.794103][T19500] ? netdev_notice (net/core/dev.c:13194) [ 763.794105][T19500] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 763.794107][T19500] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 763.794109][T19500] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 763.794111][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794112][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794113][T19500] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 763.794115][T19500] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 763.794116][T19500] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 763.794117][T19500] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 763.794119][T19500] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 763.794121][T19500] ? register_netdev (net/core/dev.c:11618) [ 763.794122][T19500] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 763.794124][T19500] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 763.794126][T19500] ? __kernel_text_address (kernel/extable.c:79) [ 763.794129][T19500] ? write_profile (profile.c:?) [ 763.794132][T19500] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 763.794135][T19500] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 763.794137][T19500] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 763.794138][T19500] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 763.794140][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794141][T19500] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 763.794144][T19500] ? kasan_save_stack (mm/kasan/common.c:58) [ 763.794146][T19500] ? kasan_save_stack (mm/kasan/common.c:57) [ 763.794147][T19500] ? kasan_save_track (mm/kasan/common.c:78) [ 763.794148][T19500] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 763.794150][T19500] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 763.794151][T19500] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 763.794152][T19500] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 763.794153][T19500] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 763.794156][T19500] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 763.794157][T19500] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 763.794159][T19500] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 763.794161][T19500] ? ____sys_sendmsg (net/socket.c:2713) [ 763.794163][T19500] ? ___sys_sendmsg (net/socket.c:2767) [ 763.794164][T19500] ? __sys_sendmsg (net/socket.c:2799) [ 763.794166][T19500] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 763.794168][T19500] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 763.794171][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794172][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794173][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794174][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794175][T19500] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 763.794177][T19500] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 763.794178][T19500] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 763.794179][T19500] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 763.794181][T19500] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 763.794182][T19500] ? nla_get_range_signed (lib/nlattr.c:270) [ 763.794185][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794187][T19500] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 763.794189][T19500] rtnl_newlink (net/core/rtnetlink.c:4215) [ 763.794191][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794192][T19500] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 763.794193][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794195][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794196][T19500] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 763.794199][T19500] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 763.794200][T19500] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 763.794201][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794202][T19500] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 763.794205][T19500] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 763.794208][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794209][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794210][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794212][T19500] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 763.794213][T19500] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 763.794214][T19500] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 763.794216][T19500] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 763.794217][T19500] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 763.794220][T19500] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 763.794221][T19500] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 763.794223][T19500] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 763.794224][T19500] ? netlink_ack (./include/linux/skbuff.h:2718) [ 763.794226][T19500] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 763.794229][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794230][T19500] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 763.794232][T19500] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 763.794234][T19500] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 763.794236][T19500] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 763.794238][T19500] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 763.794240][T19500] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 763.794241][T19500] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 763.794243][T19500] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 763.794245][T19500] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 763.794248][T19500] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 763.794249][T19500] ____sys_sendmsg (net/socket.c:2713) [ 763.794251][T19500] ? copy_msghdr_from_user (net/socket.c:2650) [ 763.794253][T19500] ? sock_write_iter (net/socket.c:1269) [ 763.794254][T19500] ? move_addr_to_kernel (net/socket.c:258) [ 763.794256][T19500] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 763.794258][T19500] ___sys_sendmsg (net/socket.c:2767) [ 763.794260][T19500] ? copy_msghdr_from_user (net/socket.c:2619) [ 763.794265][T19500] __sys_sendmsg (net/socket.c:2799) [ 763.794267][T19500] ? __sys_sendmsg_sock (net/socket.c:2780) [ 763.794269][T19500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 763.794271][T19500] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 763.794273][T19500] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 763.794275][T19500] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 763.794276][T19500] RIP: 0033:0x7faf2ab0854e [ 763.794278][T19500] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 763.794280][T19500] RSP: 002b:00007fff86574fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 763.794284][T19500] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faf2ab0854e [ 763.794285][T19500] RDX: 0000000000000000 RSI: 00007fff86575080 RDI: 0000000000000005 [ 763.794286][T19500] RBP: 00007fff86574fe0 R08: 0000000000000000 R09: 0000000000000000 [ 763.794287][T19500] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a73 [ 763.794288][T19500] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff86575740 | [ 764.840398][T19550] softirqs last disabled at (0): 0x0 | [ 764.840400][T19550] Preemption disabled at: | [ 764.840401][T19550] vprintk_emit (kernel/printk/printk.c:2471) | [ 764.840411][T19550] Tainted: [W]=WARN [ 764.840412][T19550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 764.840414][T19550] Call Trace: [ 764.840415][T19550] [ 764.840416][T19550] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 764.840422][T19550] ? vprintk_emit (kernel/printk/printk.c:2471) [ 764.840423][T19550] __might_resched.cold (kernel/sched/core.c:9234) [ 764.840427][T19550] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 764.840429][T19550] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 764.840433][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840436][T19550] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 764.840439][T19550] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 764.840442][T19550] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 764.840447][T19550] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 764.840449][T19550] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 764.840451][T19550] put_chars (drivers/char/virtio_console.c:1176) [ 764.840453][T19550] ? __send_to_port (drivers/char/virtio_console.c:654) [ 764.840455][T19550] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 764.840458][T19550] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 764.840462][T19550] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 764.840464][T19550] ? vsnprintf (lib/vsprintf.c:2900) [ 764.840467][T19550] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 764.840469][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840470][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840472][T19550] console_emit_next_record (kernel/printk/printk.c:3183) [ 764.840475][T19550] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 764.840477][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840478][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840479][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840480][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840482][T19550] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 764.840484][T19550] console_flush_one_record (kernel/printk/printk.c:3268) [ 764.840486][T19550] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 764.840489][T19550] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 764.840491][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840492][T19550] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 764.840494][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840495][T19550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.840497][T19550] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 764.840498][T19550] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 764.840500][T19550] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 764.840502][T19550] ? vprintk_emit (kernel/printk/printk.c:2478) [ 764.840503][T19550] vprintk_emit (kernel/printk/printk.c:2479) [ 764.840505][T19550] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 764.840506][T19550] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 764.840508][T19550] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 764.840510][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840512][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840513][T19550] _printk (kernel/printk/printk.c:2504) [ 764.840516][T19550] ? snapshot_read.cold (user.c:?) [ 764.840518][T19550] ? br_multicast_flood (??:?) [ 764.840522][T19550] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 764.840524][T19550] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 764.840526][T19550] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 764.840527][T19550] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 764.840530][T19550] br_init_port (net/bridge/br_stp_if.c:39) [ 764.840532][T19550] new_nbp (net/bridge/br_if.c:449) [ 764.840535][T19550] br_add_if (net/bridge/br_if.c:592) [ 764.840536][T19550] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 764.840541][T19550] do_set_master (net/core/rtnetlink.c:3071) [ 764.840542][T19550] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 764.840544][T19550] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 764.840546][T19550] ? __dev_get_by_name (net/core/dev.c:905) [ 764.840547][T19550] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 764.840551][T19550] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 764.840554][T19550] rtnl_newlink (net/core/rtnetlink.c:4215) [ 764.840556][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840557][T19550] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 764.840558][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840560][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840561][T19550] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 764.840564][T19550] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 764.840566][T19550] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 764.840568][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840569][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840571][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840572][T19550] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 764.840573][T19550] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 764.840575][T19550] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 764.840576][T19550] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 764.840578][T19550] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 764.840582][T19550] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 764.840585][T19550] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 764.840586][T19550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.840588][T19550] ? netlink_ack (./include/linux/skbuff.h:2718) [ 764.840589][T19550] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 764.840593][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840594][T19550] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 764.840596][T19550] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 764.840598][T19550] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 764.840600][T19550] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 764.840602][T19550] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 764.840605][T19550] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 764.840607][T19550] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 764.840609][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840611][T19550] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 764.840614][T19550] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 764.840617][T19550] ____sys_sendmsg (net/socket.c:2713) [ 764.840619][T19550] ? copy_msghdr_from_user (net/socket.c:2650) [ 764.840621][T19550] ? sock_write_iter (net/socket.c:1269) [ 764.840622][T19550] ? move_addr_to_kernel (net/socket.c:258) [ 764.840624][T19550] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 764.840627][T19550] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 764.840629][T19550] ___sys_sendmsg (net/socket.c:2767) [ 764.840630][T19550] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 764.840632][T19550] ? copy_msghdr_from_user (net/socket.c:2619) [ 764.840634][T19550] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 764.840638][T19550] __sys_sendmsg (net/socket.c:2799) [ 764.840640][T19550] ? __sys_sendmsg_sock (net/socket.c:2780) [ 764.840643][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840644][T19550] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 764.840645][T19550] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 764.840648][T19550] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 764.840650][T19550] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 764.840656][T19550] RIP: 0033:0x7f97ef30554e [ 764.840657][T19550] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 764.840659][T19550] RSP: 002b:00007fff52028750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 764.840663][T19550] RAX: ffffffffffffffda RBX: 00007fff52028f18 RCX: 00007f97ef30554e [ 764.840664][T19550] RDX: 0000000000000000 RSI: 00007fff52028800 RDI: 0000000000000005 [ 764.840665][T19550] RBP: 00007fff52028760 R08: 0000000000000000 R09: 0000000000000000 [ 764.840666][T19550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a74 [ 764.840667][T19550] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff52028ed0 | [ 800.269350][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 800.269353][ T12] Preemption disabled at: | [ 800.269353][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 800.269363][ T12] Tainted: [W]=WARN [ 800.269364][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 800.269366][ T12] Workqueue: netns cleanup_net [ 800.269372][ T12] Call Trace: [ 800.269374][ T12] [ 800.269375][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 800.269381][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 800.269382][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 800.269386][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 800.269388][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 800.269392][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269394][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 800.269397][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 800.269400][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 800.269405][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 800.269406][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 800.269409][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 800.269411][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 800.269412][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 800.269415][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 800.269420][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 800.269421][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 800.269423][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 800.269425][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269426][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269428][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 800.269431][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 800.269433][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269435][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269436][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 800.269438][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 800.269440][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 800.269443][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 800.269445][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 800.269447][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 800.269449][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 800.269451][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269452][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 800.269453][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 800.269455][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 800.269456][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 800.269458][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 800.269459][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 800.269461][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 800.269462][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 800.269464][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 800.269466][ T12] ? kthread (kernel/kthread.c:436) [ 800.269469][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 800.269472][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 800.269474][ T12] _printk (kernel/printk/printk.c:2504) [ 800.269477][ T12] ? snapshot_read.cold (user.c:?) [ 800.269479][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 800.269483][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 800.269485][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 800.269487][ T12] ? netdev_notice (net/core/dev.c:13194) [ 800.269489][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269491][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 800.269492][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 800.269495][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 800.269497][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 800.269498][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 800.269500][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 800.269503][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 800.269507][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 800.269509][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 800.269512][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 800.269514][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 800.269516][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 800.269518][ T12] cleanup_net (net/core/net_namespace.c:706) [ 800.269520][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 800.269522][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269523][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 800.269525][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 800.269526][ T12] process_one_work (kernel/workqueue.c:3387) [ 800.269529][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 800.269532][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 800.269534][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 800.269537][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 800.269539][ T12] kthread (kernel/kthread.c:436) [ 800.269541][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 800.269542][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 800.269544][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 800.269546][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 800.269548][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 800.269551][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 800.269552][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 801.490906][T21881] softirqs last disabled at (0): 0x0 | [ 801.490909][T21881] Preemption disabled at: | [ 801.490909][T21881] vprintk_emit (kernel/printk/printk.c:2471) | [ 801.490919][T21881] Tainted: [W]=WARN [ 801.490920][T21881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 801.490922][T21881] Call Trace: [ 801.490924][T21881] [ 801.490925][T21881] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 801.490930][T21881] ? vprintk_emit (kernel/printk/printk.c:2471) [ 801.490932][T21881] __might_resched.cold (kernel/sched/core.c:9234) [ 801.490935][T21881] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 801.490938][T21881] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 801.490941][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.490944][T21881] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 801.490946][T21881] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 801.490949][T21881] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 801.490955][T21881] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 801.490956][T21881] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 801.490959][T21881] put_chars (drivers/char/virtio_console.c:1176) [ 801.490960][T21881] ? __send_to_port (drivers/char/virtio_console.c:654) [ 801.490962][T21881] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 801.490965][T21881] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 801.490969][T21881] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 801.490971][T21881] ? vsnprintf (lib/vsprintf.c:2900) [ 801.490974][T21881] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 801.490976][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.490977][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.490979][T21881] console_emit_next_record (kernel/printk/printk.c:3183) [ 801.490981][T21881] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 801.490984][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.490984][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.490986][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.490987][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.490989][T21881] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 801.490991][T21881] console_flush_one_record (kernel/printk/printk.c:3268) [ 801.490993][T21881] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 801.490996][T21881] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 801.490998][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.490999][T21881] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 801.491001][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491002][T21881] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 801.491003][T21881] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 801.491005][T21881] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 801.491006][T21881] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 801.491008][T21881] ? vprintk_emit (kernel/printk/printk.c:2478) [ 801.491010][T21881] vprintk_emit (kernel/printk/printk.c:2479) [ 801.491011][T21881] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 801.491013][T21881] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 801.491014][T21881] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 801.491017][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.491019][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491020][T21881] _printk (kernel/printk/printk.c:2504) [ 801.491023][T21881] ? snapshot_read.cold (user.c:?) [ 801.491025][T21881] ? br_multicast_flood (??:?) [ 801.491028][T21881] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 801.491031][T21881] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 801.491032][T21881] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 801.491034][T21881] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 801.491037][T21881] br_init_port (net/bridge/br_stp_if.c:39) [ 801.491039][T21881] new_nbp (net/bridge/br_if.c:449) [ 801.491041][T21881] br_add_if (net/bridge/br_if.c:592) [ 801.491043][T21881] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 801.491047][T21881] do_set_master (net/core/rtnetlink.c:3071) [ 801.491049][T21881] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 801.491050][T21881] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 801.491052][T21881] ? __dev_get_by_name (net/core/dev.c:905) [ 801.491054][T21881] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 801.491058][T21881] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 801.491060][T21881] rtnl_newlink (net/core/rtnetlink.c:4215) [ 801.491062][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491063][T21881] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 801.491065][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.491066][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491067][T21881] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 801.491070][T21881] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 801.491072][T21881] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 801.491074][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491075][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.491077][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491078][T21881] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 801.491079][T21881] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 801.491081][T21881] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 801.491082][T21881] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 801.491084][T21881] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 801.491088][T21881] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 801.491090][T21881] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 801.491092][T21881] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 801.491094][T21881] ? netlink_ack (./include/linux/skbuff.h:2718) [ 801.491095][T21881] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 801.491098][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491099][T21881] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 801.491101][T21881] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 801.491104][T21881] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 801.491106][T21881] ? next_uptodate_folio (mm/filemap.c:3747) [ 801.491109][T21881] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 801.491111][T21881] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 801.491113][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.491114][T21881] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 801.491118][T21881] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 801.491121][T21881] ____sys_sendmsg (net/socket.c:2713) [ 801.491122][T21881] ? copy_msghdr_from_user (net/socket.c:2650) [ 801.491124][T21881] ? sock_write_iter (net/socket.c:1269) [ 801.491125][T21881] ? move_addr_to_kernel (net/socket.c:258) [ 801.491128][T21881] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 801.491130][T21881] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 801.491132][T21881] ___sys_sendmsg (net/socket.c:2767) [ 801.491134][T21881] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 801.491135][T21881] ? copy_msghdr_from_user (net/socket.c:2619) [ 801.491137][T21881] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 801.491142][T21881] __sys_sendmsg (net/socket.c:2799) [ 801.491144][T21881] ? __sys_sendmsg_sock (net/socket.c:2780) [ 801.491146][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491148][T21881] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 801.491149][T21881] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 801.491151][T21881] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 801.491153][T21881] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 801.491155][T21881] RIP: 0033:0x7f5196e4954e [ 801.491157][T21881] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 801.491159][T21881] RSP: 002b:00007ffc93236440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 801.491163][T21881] RAX: ffffffffffffffda RBX: 00007ffc93236c08 RCX: 00007f5196e4954e [ 801.491164][T21881] RDX: 0000000000000000 RSI: 00007ffc932364f0 RDI: 0000000000000005 [ 801.491165][T21881] RBP: 00007ffc93236450 R08: 0000000000000000 R09: 0000000000000000 [ 801.491166][T21881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a98 [ 801.491167][T21881] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc93236bc0 | [ 802.797917][T21950] softirqs last disabled at (0): 0x0 | [ 802.797919][T21950] Preemption disabled at: | [ 802.797920][T21950] vprintk_emit (kernel/printk/printk.c:2471) | [ 802.797930][T21950] Tainted: [W]=WARN [ 802.797931][T21950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 802.797932][T21950] Call Trace: [ 802.797934][T21950] [ 802.797935][T21950] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 802.797941][T21950] ? vprintk_emit (kernel/printk/printk.c:2471) [ 802.797942][T21950] __might_resched.cold (kernel/sched/core.c:9234) [ 802.797946][T21950] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 802.797949][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.797952][T21950] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 802.797955][T21950] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 802.797958][T21950] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 802.797963][T21950] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 802.797965][T21950] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 802.797968][T21950] put_chars (drivers/char/virtio_console.c:1176) [ 802.797970][T21950] ? __send_to_port (drivers/char/virtio_console.c:654) [ 802.797971][T21950] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 802.797973][T21950] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 802.797975][T21950] ? pointer (lib/vsprintf.c:2577) [ 802.797979][T21950] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 802.797983][T21950] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 802.797985][T21950] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 802.797987][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.797989][T21950] console_emit_next_record (kernel/printk/printk.c:3183) [ 802.797992][T21950] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 802.797994][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.797995][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.797996][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.797997][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.798000][T21950] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 802.798001][T21950] console_flush_one_record (kernel/printk/printk.c:3268) [ 802.798004][T21950] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 802.798007][T21950] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 802.798008][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.798010][T21950] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 802.798012][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798013][T21950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 802.798014][T21950] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 802.798016][T21950] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 802.798017][T21950] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 802.798019][T21950] ? vprintk_emit (kernel/printk/printk.c:2478) [ 802.798021][T21950] vprintk_emit (kernel/printk/printk.c:2479) [ 802.798022][T21950] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 802.798024][T21950] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 802.798026][T21950] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 802.798029][T21950] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 802.798032][T21950] _printk (kernel/printk/printk.c:2504) [ 802.798035][T21950] ? snapshot_read.cold (user.c:?) [ 802.798037][T21950] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 802.798039][T21950] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 802.798042][T21950] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 802.798044][T21950] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 802.798047][T21950] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 802.798050][T21950] ? netdev_notice (net/core/dev.c:13194) [ 802.798052][T21950] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 802.798053][T21950] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 802.798056][T21950] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 802.798058][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798059][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798060][T21950] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 802.798061][T21950] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 802.798063][T21950] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 802.798064][T21950] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 802.798066][T21950] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 802.798067][T21950] ? register_netdev (net/core/dev.c:11618) [ 802.798069][T21950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 802.798071][T21950] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 802.798074][T21950] ? __kernel_text_address (kernel/extable.c:79) [ 802.798076][T21950] ? write_profile (profile.c:?) [ 802.798079][T21950] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 802.798083][T21950] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 802.798084][T21950] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 802.798086][T21950] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 802.798087][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798088][T21950] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 802.798092][T21950] ? kasan_save_stack (mm/kasan/common.c:58) [ 802.798093][T21950] ? kasan_save_stack (mm/kasan/common.c:57) [ 802.798094][T21950] ? kasan_save_track (mm/kasan/common.c:78) [ 802.798096][T21950] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 802.798097][T21950] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 802.798098][T21950] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 802.798099][T21950] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 802.798100][T21950] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 802.798103][T21950] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 802.798104][T21950] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 802.798106][T21950] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 802.798108][T21950] ? ____sys_sendmsg (net/socket.c:2713) [ 802.798110][T21950] ? ___sys_sendmsg (net/socket.c:2767) [ 802.798111][T21950] ? __sys_sendmsg (net/socket.c:2799) [ 802.798113][T21950] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 802.798115][T21950] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 802.798117][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798119][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.798120][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798121][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798122][T21950] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 802.798124][T21950] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 802.798125][T21950] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 802.798126][T21950] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 802.798128][T21950] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 802.798129][T21950] ? nla_get_range_signed (lib/nlattr.c:270) [ 802.798132][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798134][T21950] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 802.798136][T21950] rtnl_newlink (net/core/rtnetlink.c:4215) [ 802.798138][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798139][T21950] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 802.798140][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.798142][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798143][T21950] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 802.798145][T21950] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 802.798147][T21950] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 802.798148][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798150][T21950] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 802.798153][T21950] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 802.798155][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798156][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.798158][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798159][T21950] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 802.798160][T21950] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 802.798162][T21950] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 802.798164][T21950] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 802.798165][T21950] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 802.798167][T21950] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 802.798169][T21950] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 802.798171][T21950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 802.798172][T21950] ? netlink_ack (./include/linux/skbuff.h:2718) [ 802.798174][T21950] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 802.798177][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798178][T21950] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 802.798180][T21950] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 802.798182][T21950] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 802.798184][T21950] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 802.798186][T21950] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 802.798188][T21950] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 802.798190][T21950] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 802.798192][T21950] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 802.798193][T21950] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 802.798197][T21950] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 802.798198][T21950] ____sys_sendmsg (net/socket.c:2713) [ 802.798200][T21950] ? copy_msghdr_from_user (net/socket.c:2650) [ 802.798202][T21950] ? sock_write_iter (net/socket.c:1269) [ 802.798203][T21950] ? move_addr_to_kernel (net/socket.c:258) [ 802.798205][T21950] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 802.798207][T21950] ___sys_sendmsg (net/socket.c:2767) [ 802.798209][T21950] ? copy_msghdr_from_user (net/socket.c:2619) [ 802.798214][T21950] __sys_sendmsg (net/socket.c:2799) [ 802.798216][T21950] ? __sys_sendmsg_sock (net/socket.c:2780) [ 802.798218][T21950] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 802.798220][T21950] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 802.798222][T21950] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 802.798224][T21950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 802.798225][T21950] RIP: 0033:0x7fb0cf91f54e [ 802.798227][T21950] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 802.798229][T21950] RSP: 002b:00007ffe1af564d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 802.798232][T21950] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb0cf91f54e [ 802.798234][T21950] RDX: 0000000000000000 RSI: 00007ffe1af56580 RDI: 0000000000000005 [ 802.798235][T21950] RBP: 00007ffe1af564e0 R08: 0000000000000000 R09: 0000000000000000 [ 802.798235][T21950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a9a [ 802.798236][T21950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1af56c40 | [ 803.860294][T22000] softirqs last disabled at (0): 0x0 | [ 803.860296][T22000] Preemption disabled at: | [ 803.860297][T22000] vprintk_emit (kernel/printk/printk.c:2471) | [ 803.860307][T22000] Tainted: [W]=WARN [ 803.860308][T22000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 803.860310][T22000] Call Trace: [ 803.860311][T22000] [ 803.860312][T22000] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 803.860318][T22000] ? vprintk_emit (kernel/printk/printk.c:2471) [ 803.860319][T22000] __might_resched.cold (kernel/sched/core.c:9234) [ 803.860323][T22000] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 803.860325][T22000] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 803.860329][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860331][T22000] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 803.860334][T22000] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 803.860337][T22000] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 803.860342][T22000] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 803.860344][T22000] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 803.860347][T22000] put_chars (drivers/char/virtio_console.c:1176) [ 803.860348][T22000] ? __send_to_port (drivers/char/virtio_console.c:654) [ 803.860350][T22000] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 803.860353][T22000] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 803.860357][T22000] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 803.860359][T22000] ? vsnprintf (lib/vsprintf.c:2900) [ 803.860362][T22000] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 803.860364][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860365][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860367][T22000] console_emit_next_record (kernel/printk/printk.c:3183) [ 803.860369][T22000] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 803.860372][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860373][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860374][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860375][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860377][T22000] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 803.860379][T22000] console_flush_one_record (kernel/printk/printk.c:3268) [ 803.860381][T22000] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 803.860384][T22000] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 803.860386][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860387][T22000] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 803.860389][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860390][T22000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.860392][T22000] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 803.860393][T22000] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 803.860395][T22000] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 803.860397][T22000] ? vprintk_emit (kernel/printk/printk.c:2478) [ 803.860398][T22000] vprintk_emit (kernel/printk/printk.c:2479) [ 803.860400][T22000] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 803.860401][T22000] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 803.860402][T22000] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 803.860405][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860407][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860408][T22000] _printk (kernel/printk/printk.c:2504) [ 803.860411][T22000] ? snapshot_read.cold (user.c:?) [ 803.860413][T22000] ? br_multicast_flood (??:?) [ 803.860417][T22000] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 803.860420][T22000] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 803.860421][T22000] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 803.860422][T22000] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 803.860425][T22000] br_init_port (net/bridge/br_stp_if.c:39) [ 803.860427][T22000] new_nbp (net/bridge/br_if.c:449) [ 803.860429][T22000] br_add_if (net/bridge/br_if.c:592) [ 803.860431][T22000] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 803.860435][T22000] do_set_master (net/core/rtnetlink.c:3071) [ 803.860437][T22000] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 803.860438][T22000] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 803.860440][T22000] ? __dev_get_by_name (net/core/dev.c:905) [ 803.860442][T22000] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 803.860446][T22000] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 803.860448][T22000] rtnl_newlink (net/core/rtnetlink.c:4215) [ 803.860450][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860451][T22000] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 803.860453][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860454][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860455][T22000] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 803.860458][T22000] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 803.860460][T22000] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 803.860462][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860463][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860465][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860466][T22000] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 803.860468][T22000] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 803.860469][T22000] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 803.860471][T22000] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 803.860472][T22000] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 803.860476][T22000] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 803.860479][T22000] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 803.860480][T22000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.860482][T22000] ? netlink_ack (./include/linux/skbuff.h:2718) [ 803.860484][T22000] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 803.860486][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860488][T22000] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 803.860490][T22000] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 803.860492][T22000] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 803.860494][T22000] ? next_uptodate_folio (mm/filemap.c:3747) [ 803.860497][T22000] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 803.860499][T22000] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 803.860501][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860502][T22000] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 803.860506][T22000] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 803.860509][T22000] ____sys_sendmsg (net/socket.c:2713) [ 803.860511][T22000] ? copy_msghdr_from_user (net/socket.c:2650) [ 803.860512][T22000] ? sock_write_iter (net/socket.c:1269) [ 803.860514][T22000] ? move_addr_to_kernel (net/socket.c:258) [ 803.860516][T22000] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 803.860518][T22000] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 803.860520][T22000] ___sys_sendmsg (net/socket.c:2767) [ 803.860522][T22000] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 803.860524][T22000] ? copy_msghdr_from_user (net/socket.c:2619) [ 803.860525][T22000] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 803.860530][T22000] __sys_sendmsg (net/socket.c:2799) [ 803.860532][T22000] ? __sys_sendmsg_sock (net/socket.c:2780) [ 803.860534][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860535][T22000] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 803.860537][T22000] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 803.860539][T22000] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 803.860541][T22000] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 803.860543][T22000] RIP: 0033:0x7fc97162c54e [ 803.860545][T22000] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 803.860547][T22000] RSP: 002b:00007ffd996ffe90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 803.860551][T22000] RAX: ffffffffffffffda RBX: 00007ffd99700658 RCX: 00007fc97162c54e [ 803.860552][T22000] RDX: 0000000000000000 RSI: 00007ffd996fff40 RDI: 0000000000000005 [ 803.860553][T22000] RBP: 00007ffd996ffea0 R08: 0000000000000000 R09: 0000000000000000 [ 803.860554][T22000] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a9b [ 803.860555][T22000] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd99700610 | [ 839.286754][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 839.286756][ T12] Preemption disabled at: | [ 839.286757][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 839.286767][ T12] Tainted: [W]=WARN [ 839.286768][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 839.286770][ T12] Workqueue: netns cleanup_net [ 839.286776][ T12] Call Trace: [ 839.286778][ T12] [ 839.286780][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 839.286785][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 839.286786][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 839.286790][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 839.286792][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 839.286795][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286798][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 839.286800][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 839.286803][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 839.286808][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 839.286810][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 839.286812][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 839.286814][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 839.286821][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 839.286825][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 839.286831][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 839.286834][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 839.286840][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 839.286842][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286843][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286845][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 839.286848][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 839.286850][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286851][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286852][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286853][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 839.286855][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 839.286857][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 839.286860][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 839.286862][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 839.286864][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 839.286866][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 839.286868][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286869][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 839.286870][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 839.286872][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 839.286873][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 839.286875][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 839.286876][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 839.286878][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 839.286880][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 839.286881][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 839.286884][ T12] ? kthread (kernel/kthread.c:436) [ 839.286886][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 839.286888][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 839.286891][ T12] _printk (kernel/printk/printk.c:2504) [ 839.286894][ T12] ? snapshot_read.cold (user.c:?) [ 839.286896][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 839.286899][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 839.286902][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 839.286904][ T12] ? netdev_notice (net/core/dev.c:13194) [ 839.286906][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286907][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 839.286908][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 839.286911][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 839.286913][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 839.286914][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 839.286917][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 839.286920][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 839.286926][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 839.286929][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 839.286932][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 839.286934][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 839.286936][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 839.286938][ T12] cleanup_net (net/core/net_namespace.c:706) [ 839.286940][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 839.286942][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 839.286944][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 839.286946][ T12] process_one_work (kernel/workqueue.c:3387) [ 839.286948][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 839.286951][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 839.286953][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 839.286956][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 839.286958][ T12] kthread (kernel/kthread.c:436) [ 839.286960][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 839.286961][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 839.286963][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 839.286965][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 839.286967][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 839.286970][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 839.286972][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 840.515209][T24175] softirqs last disabled at (0): 0x0 | [ 840.515210][T24175] Preemption disabled at: | [ 840.515211][T24175] vprintk_emit (kernel/printk/printk.c:2471) | [ 840.515221][T24175] Tainted: [W]=WARN [ 840.515223][T24175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 840.515224][T24175] Call Trace: [ 840.515226][T24175] [ 840.515227][T24175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 840.515232][T24175] ? vprintk_emit (kernel/printk/printk.c:2471) [ 840.515234][T24175] __might_resched.cold (kernel/sched/core.c:9234) [ 840.515238][T24175] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 840.515240][T24175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 840.515243][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515246][T24175] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 840.515249][T24175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 840.515252][T24175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 840.515257][T24175] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 840.515259][T24175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 840.515262][T24175] put_chars (drivers/char/virtio_console.c:1176) [ 840.515264][T24175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 840.515265][T24175] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 840.515268][T24175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 840.515273][T24175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 840.515274][T24175] ? vsnprintf (lib/vsprintf.c:2900) [ 840.515278][T24175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 840.515279][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515280][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515282][T24175] console_emit_next_record (kernel/printk/printk.c:3183) [ 840.515285][T24175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 840.515287][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515288][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515289][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515290][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515292][T24175] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 840.515294][T24175] console_flush_one_record (kernel/printk/printk.c:3268) [ 840.515296][T24175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 840.515299][T24175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 840.515301][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515303][T24175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 840.515304][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515305][T24175] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 840.515307][T24175] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 840.515309][T24175] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 840.515310][T24175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 840.515312][T24175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 840.515313][T24175] vprintk_emit (kernel/printk/printk.c:2479) [ 840.515315][T24175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 840.515316][T24175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 840.515318][T24175] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 840.515321][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515323][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515324][T24175] _printk (kernel/printk/printk.c:2504) [ 840.515327][T24175] ? snapshot_read.cold (user.c:?) [ 840.515329][T24175] ? br_multicast_flood (??:?) [ 840.515333][T24175] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 840.515335][T24175] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 840.515336][T24175] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 840.515338][T24175] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 840.515341][T24175] br_init_port (net/bridge/br_stp_if.c:39) [ 840.515343][T24175] new_nbp (net/bridge/br_if.c:449) [ 840.515345][T24175] br_add_if (net/bridge/br_if.c:592) [ 840.515347][T24175] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 840.515351][T24175] do_set_master (net/core/rtnetlink.c:3071) [ 840.515353][T24175] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 840.515354][T24175] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 840.515356][T24175] ? __dev_get_by_name (net/core/dev.c:905) [ 840.515358][T24175] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 840.515362][T24175] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 840.515364][T24175] rtnl_newlink (net/core/rtnetlink.c:4215) [ 840.515366][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515367][T24175] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 840.515369][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515370][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515372][T24175] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 840.515374][T24175] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 840.515376][T24175] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 840.515378][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515380][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515381][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515382][T24175] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 840.515384][T24175] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 840.515386][T24175] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 840.515387][T24175] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 840.515388][T24175] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 840.515392][T24175] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 840.515396][T24175] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 840.515397][T24175] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 840.515399][T24175] ? netlink_ack (./include/linux/skbuff.h:2718) [ 840.515400][T24175] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 840.515403][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515404][T24175] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 840.515407][T24175] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 840.515409][T24175] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 840.515411][T24175] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 840.515413][T24175] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 840.515416][T24175] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 840.515418][T24175] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 840.515420][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515422][T24175] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 840.515426][T24175] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 840.515428][T24175] ____sys_sendmsg (net/socket.c:2713) [ 840.515430][T24175] ? copy_msghdr_from_user (net/socket.c:2650) [ 840.515432][T24175] ? sock_write_iter (net/socket.c:1269) [ 840.515433][T24175] ? move_addr_to_kernel (net/socket.c:258) [ 840.515435][T24175] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 840.515438][T24175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 840.515440][T24175] ___sys_sendmsg (net/socket.c:2767) [ 840.515441][T24175] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 840.515443][T24175] ? copy_msghdr_from_user (net/socket.c:2619) [ 840.515445][T24175] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 840.515449][T24175] __sys_sendmsg (net/socket.c:2799) [ 840.515452][T24175] ? __sys_sendmsg_sock (net/socket.c:2780) [ 840.515454][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515455][T24175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 840.515457][T24175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 840.515459][T24175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 840.515461][T24175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 840.515463][T24175] RIP: 0033:0x7f495081054e [ 840.515465][T24175] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 840.515467][T24175] RSP: 002b:00007ffe9d2e16b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 840.515471][T24175] RAX: ffffffffffffffda RBX: 00007ffe9d2e1e78 RCX: 00007f495081054e [ 840.515472][T24175] RDX: 0000000000000000 RSI: 00007ffe9d2e1760 RDI: 0000000000000005 [ 840.515473][T24175] RBP: 00007ffe9d2e16c0 R08: 0000000000000000 R09: 0000000000000000 [ 840.515474][T24175] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916abf [ 840.515475][T24175] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d2e1e30 | [ 841.858215][T24244] softirqs last disabled at (0): 0x0 | [ 841.858217][T24244] Preemption disabled at: | [ 841.858218][T24244] vprintk_emit (kernel/printk/printk.c:2471) | [ 841.858228][T24244] Tainted: [W]=WARN [ 841.858230][T24244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 841.858231][T24244] Call Trace: [ 841.858233][T24244] [ 841.858235][T24244] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 841.858240][T24244] ? vprintk_emit (kernel/printk/printk.c:2471) [ 841.858241][T24244] __might_resched.cold (kernel/sched/core.c:9234) [ 841.858245][T24244] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 841.858249][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858251][T24244] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 841.858254][T24244] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 841.858257][T24244] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 841.858262][T24244] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 841.858264][T24244] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 841.858266][T24244] put_chars (drivers/char/virtio_console.c:1176) [ 841.858268][T24244] ? __send_to_port (drivers/char/virtio_console.c:654) [ 841.858269][T24244] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 841.858271][T24244] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 841.858273][T24244] ? pointer (lib/vsprintf.c:2577) [ 841.858277][T24244] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 841.858281][T24244] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 841.858283][T24244] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 841.858285][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858287][T24244] console_emit_next_record (kernel/printk/printk.c:3183) [ 841.858290][T24244] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 841.858292][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858293][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858294][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858295][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858297][T24244] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 841.858299][T24244] console_flush_one_record (kernel/printk/printk.c:3268) [ 841.858301][T24244] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 841.858304][T24244] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 841.858305][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858307][T24244] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 841.858309][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858310][T24244] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 841.858311][T24244] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 841.858313][T24244] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 841.858314][T24244] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 841.858316][T24244] ? vprintk_emit (kernel/printk/printk.c:2478) [ 841.858317][T24244] vprintk_emit (kernel/printk/printk.c:2479) [ 841.858319][T24244] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 841.858320][T24244] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 841.858323][T24244] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 841.858326][T24244] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 841.858328][T24244] _printk (kernel/printk/printk.c:2504) [ 841.858331][T24244] ? snapshot_read.cold (user.c:?) [ 841.858333][T24244] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 841.858335][T24244] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 841.858339][T24244] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 841.858340][T24244] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 841.858344][T24244] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 841.858346][T24244] ? netdev_notice (net/core/dev.c:13194) [ 841.858348][T24244] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 841.858350][T24244] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 841.858352][T24244] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 841.858354][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858355][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858356][T24244] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 841.858357][T24244] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 841.858359][T24244] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 841.858360][T24244] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 841.858361][T24244] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 841.858363][T24244] ? register_netdev (net/core/dev.c:11618) [ 841.858364][T24244] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 841.858366][T24244] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 841.858369][T24244] ? __kernel_text_address (kernel/extable.c:79) [ 841.858373][T24244] ? write_profile (profile.c:?) [ 841.858377][T24244] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 841.858381][T24244] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 841.858383][T24244] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 841.858385][T24244] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 841.858386][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858387][T24244] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 841.858391][T24244] ? kasan_save_stack (mm/kasan/common.c:58) [ 841.858392][T24244] ? kasan_save_stack (mm/kasan/common.c:57) [ 841.858394][T24244] ? kasan_save_track (mm/kasan/common.c:78) [ 841.858395][T24244] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 841.858396][T24244] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 841.858397][T24244] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 841.858398][T24244] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 841.858400][T24244] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 841.858402][T24244] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 841.858404][T24244] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 841.858405][T24244] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 841.858408][T24244] ? ____sys_sendmsg (net/socket.c:2713) [ 841.858409][T24244] ? ___sys_sendmsg (net/socket.c:2767) [ 841.858411][T24244] ? __sys_sendmsg (net/socket.c:2799) [ 841.858412][T24244] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 841.858415][T24244] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 841.858417][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858418][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858420][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858421][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858422][T24244] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 841.858423][T24244] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 841.858425][T24244] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 841.858426][T24244] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 841.858427][T24244] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 841.858428][T24244] ? nla_get_range_signed (lib/nlattr.c:270) [ 841.858432][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858433][T24244] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 841.858435][T24244] rtnl_newlink (net/core/rtnetlink.c:4215) [ 841.858437][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858439][T24244] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 841.858440][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858442][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858443][T24244] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 841.858445][T24244] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 841.858447][T24244] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 841.858448][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858449][T24244] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 841.858452][T24244] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 841.858455][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858456][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858457][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858458][T24244] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 841.858460][T24244] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 841.858464][T24244] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 841.858465][T24244] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 841.858467][T24244] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 841.858469][T24244] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 841.858471][T24244] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 841.858472][T24244] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 841.858474][T24244] ? netlink_ack (./include/linux/skbuff.h:2718) [ 841.858475][T24244] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 841.858478][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858480][T24244] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 841.858482][T24244] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 841.858484][T24244] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 841.858486][T24244] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 841.858487][T24244] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 841.858490][T24244] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 841.858492][T24244] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 841.858495][T24244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 841.858497][T24244] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 841.858501][T24244] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 841.858503][T24244] ____sys_sendmsg (net/socket.c:2713) [ 841.858504][T24244] ? copy_msghdr_from_user (net/socket.c:2650) [ 841.858506][T24244] ? sock_write_iter (net/socket.c:1269) [ 841.858508][T24244] ? move_addr_to_kernel (net/socket.c:258) [ 841.858509][T24244] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 841.858512][T24244] ___sys_sendmsg (net/socket.c:2767) [ 841.858514][T24244] ? copy_msghdr_from_user (net/socket.c:2619) [ 841.858519][T24244] __sys_sendmsg (net/socket.c:2799) [ 841.858521][T24244] ? __sys_sendmsg_sock (net/socket.c:2780) [ 841.858523][T24244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 841.858525][T24244] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 841.858527][T24244] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 841.858529][T24244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 841.858530][T24244] RIP: 0033:0x7fca9eb6654e [ 841.858532][T24244] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 841.858534][T24244] RSP: 002b:00007fffdb4ddc90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 841.858537][T24244] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fca9eb6654e [ 841.858539][T24244] RDX: 0000000000000000 RSI: 00007fffdb4ddd40 RDI: 0000000000000005 [ 841.858540][T24244] RBP: 00007fffdb4ddca0 R08: 0000000000000000 R09: 0000000000000000 [ 841.858541][T24244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ac1 [ 841.858542][T24244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdb4de400 | [ 842.908696][T24294] softirqs last disabled at (0): 0x0 | [ 842.908698][T24294] Preemption disabled at: | [ 842.908699][T24294] vprintk_emit (kernel/printk/printk.c:2471) | [ 842.908709][T24294] Tainted: [W]=WARN [ 842.908710][T24294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 842.908711][T24294] Call Trace: [ 842.908713][T24294] [ 842.908714][T24294] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 842.908720][T24294] ? vprintk_emit (kernel/printk/printk.c:2471) [ 842.908721][T24294] __might_resched.cold (kernel/sched/core.c:9234) [ 842.908725][T24294] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 842.908727][T24294] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 842.908730][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908733][T24294] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 842.908736][T24294] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 842.908740][T24294] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 842.908745][T24294] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 842.908747][T24294] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 842.908749][T24294] put_chars (drivers/char/virtio_console.c:1176) [ 842.908751][T24294] ? __send_to_port (drivers/char/virtio_console.c:654) [ 842.908753][T24294] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 842.908755][T24294] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 842.908760][T24294] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 842.908762][T24294] ? vsnprintf (lib/vsprintf.c:2900) [ 842.908765][T24294] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 842.908767][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908768][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908769][T24294] console_emit_next_record (kernel/printk/printk.c:3183) [ 842.908772][T24294] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 842.908774][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908775][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908776][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908778][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908780][T24294] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 842.908782][T24294] console_flush_one_record (kernel/printk/printk.c:3268) [ 842.908785][T24294] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 842.908787][T24294] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 842.908789][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908791][T24294] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 842.908792][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908793][T24294] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.908795][T24294] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 842.908796][T24294] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 842.908798][T24294] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 842.908800][T24294] ? vprintk_emit (kernel/printk/printk.c:2478) [ 842.908801][T24294] vprintk_emit (kernel/printk/printk.c:2479) [ 842.908803][T24294] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 842.908804][T24294] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 842.908806][T24294] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 842.908809][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908810][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908812][T24294] _printk (kernel/printk/printk.c:2504) [ 842.908815][T24294] ? snapshot_read.cold (user.c:?) [ 842.908817][T24294] ? br_multicast_flood (??:?) [ 842.908820][T24294] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 842.908827][T24294] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 842.908828][T24294] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 842.908830][T24294] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 842.908833][T24294] br_init_port (net/bridge/br_stp_if.c:39) [ 842.908834][T24294] new_nbp (net/bridge/br_if.c:449) [ 842.908837][T24294] br_add_if (net/bridge/br_if.c:592) [ 842.908841][T24294] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 842.908845][T24294] do_set_master (net/core/rtnetlink.c:3071) [ 842.908847][T24294] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 842.908849][T24294] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 842.908850][T24294] ? __dev_get_by_name (net/core/dev.c:905) [ 842.908852][T24294] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 842.908856][T24294] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 842.908858][T24294] rtnl_newlink (net/core/rtnetlink.c:4215) [ 842.908860][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908862][T24294] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 842.908863][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908865][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908866][T24294] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 842.908869][T24294] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 842.908870][T24294] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 842.908873][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908874][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908875][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908877][T24294] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 842.908878][T24294] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 842.908880][T24294] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 842.908881][T24294] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 842.908883][T24294] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 842.908886][T24294] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 842.908889][T24294] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 842.908891][T24294] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.908892][T24294] ? netlink_ack (./include/linux/skbuff.h:2718) [ 842.908894][T24294] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 842.908897][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908898][T24294] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 842.908900][T24294] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 842.908902][T24294] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 842.908904][T24294] ? next_uptodate_folio (mm/filemap.c:3747) [ 842.908907][T24294] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 842.908910][T24294] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 842.908912][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908913][T24294] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 842.908917][T24294] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 842.908920][T24294] ____sys_sendmsg (net/socket.c:2713) [ 842.908921][T24294] ? copy_msghdr_from_user (net/socket.c:2650) [ 842.908923][T24294] ? sock_write_iter (net/socket.c:1269) [ 842.908925][T24294] ? move_addr_to_kernel (net/socket.c:258) [ 842.908927][T24294] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 842.908929][T24294] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 842.908931][T24294] ___sys_sendmsg (net/socket.c:2767) [ 842.908933][T24294] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 842.908935][T24294] ? copy_msghdr_from_user (net/socket.c:2619) [ 842.908936][T24294] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 842.908941][T24294] __sys_sendmsg (net/socket.c:2799) [ 842.908943][T24294] ? __sys_sendmsg_sock (net/socket.c:2780) [ 842.908946][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908947][T24294] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 842.908948][T24294] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 842.908951][T24294] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 842.908953][T24294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 842.908955][T24294] RIP: 0033:0x7f393ec9354e [ 842.908957][T24294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 842.908959][T24294] RSP: 002b:00007ffc2fcb1590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 842.908963][T24294] RAX: ffffffffffffffda RBX: 00007ffc2fcb1d58 RCX: 00007f393ec9354e [ 842.908964][T24294] RDX: 0000000000000000 RSI: 00007ffc2fcb1640 RDI: 0000000000000005 [ 842.908965][T24294] RBP: 00007ffc2fcb15a0 R08: 0000000000000000 R09: 0000000000000000 [ 842.908966][T24294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ac2 [ 842.908967][T24294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2fcb1d10 | [ 878.335962][ T12] softirqs last disabled at (277757): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 878.335965][ T12] Preemption disabled at: | [ 878.335965][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 878.335975][ T12] Tainted: [W]=WARN [ 878.335976][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 878.335978][ T12] Workqueue: netns cleanup_net [ 878.335984][ T12] Call Trace: [ 878.335986][ T12] [ 878.335987][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 878.335992][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 878.335994][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 878.335997][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 878.335999][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 878.336003][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336006][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 878.336008][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 878.336011][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 878.336016][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 878.336018][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 878.336020][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 878.336022][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 878.336024][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 878.336027][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 878.336031][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 878.336033][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 878.336035][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 878.336037][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336038][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336039][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 878.336042][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 878.336044][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336045][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336046][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336047][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 878.336050][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 878.336051][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 878.336054][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 878.336057][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 878.336059][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 878.336060][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 878.336062][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336063][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 878.336064][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 878.336066][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 878.336068][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 878.336070][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 878.336071][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 878.336073][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 878.336074][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 878.336075][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 878.336078][ T12] ? kthread (kernel/kthread.c:436) [ 878.336080][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 878.336083][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 878.336086][ T12] _printk (kernel/printk/printk.c:2504) [ 878.336088][ T12] ? snapshot_read.cold (user.c:?) [ 878.336091][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 878.336094][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 878.336096][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 878.336098][ T12] ? netdev_notice (net/core/dev.c:13194) [ 878.336101][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336102][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 878.336103][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 878.336106][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 878.336108][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 878.336109][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 878.336111][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 878.336114][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 878.336118][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 878.336120][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 878.336123][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 878.336125][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 878.336127][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 878.336129][ T12] cleanup_net (net/core/net_namespace.c:706) [ 878.336131][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 878.336133][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 878.336135][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 878.336137][ T12] process_one_work (kernel/workqueue.c:3387) [ 878.336140][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 878.336142][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 878.336145][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 878.336148][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 878.336149][ T12] kthread (kernel/kthread.c:436) [ 878.336151][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 878.336153][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 878.336155][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 878.336157][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 878.336159][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 878.336162][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars