====================================== | [ 11.240286][ T268] softirqs last disabled at (15558): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 11.240288][ T268] Preemption disabled at: | [ 11.240289][ T268] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.240297][ T268] Tainted: [W]=WARN [ 11.240298][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.240300][ T268] Call Trace: [ 11.240301][ T268] [ 11.240303][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.240311][ T268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.240313][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 11.240317][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.240322][ T268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.240326][ T268] __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)) [ 11.240328][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.240334][ T268] ? 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) [ 11.240337][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.240341][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 11.240343][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.240346][ T268] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.240351][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.240359][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.240362][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240365][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.240369][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.240373][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.240375][ T268] ? 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)) [ 11.240378][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240380][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.240384][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.240388][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.240390][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.240395][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.240398][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.240400][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240402][ T268] ? 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) [ 11.240405][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.240407][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.240410][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 11.240413][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.240415][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.240416][ T268] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.240421][ T268] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.240424][ T268] _printk (kernel/printk/printk.c:2504) [ 11.240428][ T268] ? snapshot_read.cold (user.c:?) [ 11.240431][ T268] ? br_multicast_flood (??:?) [ 11.240434][ T268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.240436][ T268] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.240437][ T268] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.240441][ T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.240445][ T268] br_init_port (net/bridge/br_stp_if.c:39) [ 11.240447][ T268] new_nbp (net/bridge/br_if.c:449) [ 11.240451][ T268] br_add_if (net/bridge/br_if.c:592) [ 11.240454][ T268] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.240458][ T268] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.240463][ T268] do_set_master (net/core/rtnetlink.c:3071) [ 11.240465][ T268] ? netif_change_flags (net/core/dev.c:9882) [ 11.240469][ T268] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.240472][ T268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.240476][ T268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.240477][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.240480][ T268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.240484][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.240486][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.240487][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.240490][ T268] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.240492][ T268] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.240494][ T268] ? kasan_save_track (mm/kasan/common.c:78) [ 11.240495][ T268] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.240497][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.240499][ T268] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.240502][ T268] ? ___sys_sendmsg (net/socket.c:2758) [ 11.240506][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.240508][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.240510][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240512][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.240513][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240514][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240516][ T268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.240519][ T268] ? __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) [ 11.240520][ T268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.240522][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.240525][ T268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.240526][ T268] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.240531][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240534][ T268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.240539][ T268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.240544][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.240546][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.240550][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.240552][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.240555][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.240556][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.240560][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.240562][ T268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.240565][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.240566][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.240571][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.240573][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.240576][ T268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.240579][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.240582][ T268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.240589][ T268] ? 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)) [ 11.240591][ T268] ? 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)) [ 11.240595][ T268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.240603][ T268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.240606][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.240610][ T268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.240614][ T268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.240618][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.240620][ T268] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.240625][ T268] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.240628][ T268] ____sys_sendmsg (net/socket.c:2713) [ 11.240630][ T268] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.240633][ T268] ? sock_write_iter (net/socket.c:1269) [ 11.240634][ T268] ? move_addr_to_kernel (net/socket.c:258) [ 11.240642][ T268] ___sys_sendmsg (net/socket.c:2767) [ 11.240644][ T268] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.240660][ T268] __sys_sendmsg (net/socket.c:2799) [ 11.240663][ T268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.240670][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.240673][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.240676][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.240679][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.240681][ T268] RIP: 0033:0x7ff71282754e [ 11.240685][ T268] 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 [ 11.240686][ T268] RSP: 002b:00007ffee9568d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.240689][ T268] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff71282754e [ 11.240690][ T268] RDX: 0000000000000000 RSI: 00007ffee9568dc0 RDI: 0000000000000005 [ 11.240691][ T268] RBP: 00007ffee9568d20 R08: 0000000000000000 R09: 0000000000000000 [ 11.240692][ T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be0a [ 11.240693][ T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee9569490 | [ 17.481201][ T311] softirqs last disabled at (15321): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.481204][ T311] Preemption disabled at: | [ 17.481204][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.481213][ T311] Tainted: [W]=WARN [ 17.481213][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.481215][ T311] Call Trace: [ 17.481217][ T311] [ 17.481218][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.481224][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.481226][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 17.481230][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.481234][ T311] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.481238][ T311] __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)) [ 17.481240][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.481247][ T311] ? 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) [ 17.481250][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.481253][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 17.481255][ T311] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.481257][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.481260][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.481264][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.481268][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.481272][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.481274][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.481278][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.481280][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.481283][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.481285][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.481289][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.481293][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.481295][ T311] ? 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)) [ 17.481298][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.481300][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.481306][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.481310][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.481312][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.481317][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.481320][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.481322][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.481323][ T311] ? 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) [ 17.481327][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.481329][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.481331][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 17.481334][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.481339][ T311] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 17.481342][ T311] _printk (kernel/printk/printk.c:2504) [ 17.481346][ T311] ? snapshot_read.cold (user.c:?) [ 17.481352][ T311] ? 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) [ 17.481355][ T311] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.481357][ T311] do_one_initcall (init/main.c:1357) [ 17.481360][ T311] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.481364][ T311] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.481367][ T311] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.481372][ T311] do_init_module (kernel/module/main.c:3117) [ 17.481375][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.481379][ T311] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.481382][ T311] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.481385][ T311] load_module (kernel/module/main.c:3593) [ 17.481390][ T311] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.481395][ T311] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.481398][ T311] ? __ia32_sys_fsconfig (??:?) [ 17.481402][ T311] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.481406][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.481409][ T311] init_module_from_file (kernel/module/main.c:3790) [ 17.481412][ T311] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.481419][ T311] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.481422][ T311] ? 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) [ 17.481425][ T311] idempotent_init_module (kernel/module/main.c:3802) [ 17.481428][ T311] ? init_module_from_file (kernel/module/main.c:3791) [ 17.481433][ T311] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.481436][ T311] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 17.481441][ T311] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.481442][ T311] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.481446][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.481449][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.481451][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.481453][ T311] RIP: 0033:0x7f84b8d6c37d [ 17.481457][ T311] 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 [ 17.481458][ T311] RSP: 002b:00007ffd245176b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.481461][ T311] RAX: ffffffffffffffda RBX: 00005570aae75810 RCX: 00007f84b8d6c37d [ 17.481462][ T311] RDX: 0000000000000000 RSI: 0000557096c3fffd RDI: 0000000000000000 [ 17.481463][ T311] RBP: 00007ffd24517750 R08: 0000000000000000 R09: 0000000000000000 [ 17.481464][ T311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557096c3fffd [ 17.481465][ T311] R13: 00005570aae75960 R14: 0000000000040000 R15: 0000000000000000 | [ 23.572948][ T12] softirqs last disabled at (30184): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 23.572950][ T12] Preemption disabled at: | [ 23.572951][ T12] 0x0 | [ 23.572961][ T12] Tainted: [W]=WARN [ 23.572961][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.572963][ T12] Workqueue: netns cleanup_net [ 23.572966][ T12] Call Trace: [ 23.572968][ T12] [ 23.572970][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.572977][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 23.572981][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.572985][ 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) [ 23.572990][ 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)) [ 23.572992][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.572998][ 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) [ 23.573001][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.573005][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 23.573007][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.573014][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.573022][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.573025][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.573030][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.573034][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.573036][ 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)) [ 23.573039][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.573042][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.573046][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.573050][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.573052][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.573058][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.573061][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.573062][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.573064][ 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) [ 23.573068][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.573070][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.573072][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 23.573076][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.573077][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.573082][ T12] _printk (kernel/printk/printk.c:2504) [ 23.573086][ T12] ? snapshot_read.cold (user.c:?) [ 23.573094][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.573099][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 23.573102][ T12] br_device_event (net/bridge/br.c:111) [ 23.573104][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 23.573108][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.573114][ T12] notifier_call_chain (kernel/notifier.c:85) [ 23.573120][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 23.573123][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 23.573126][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 23.573129][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 23.573134][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 23.573136][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.573138][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.573140][ T12] ? kthread (kernel/kthread.c:436) [ 23.573142][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 23.573145][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 23.573148][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 23.573151][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.573157][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 23.573160][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 23.573162][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.573165][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 23.573170][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.573173][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.573176][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 23.573178][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.573181][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 23.573186][ T12] cleanup_net (net/core/net_namespace.c:706) [ 23.573189][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 23.573193][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.573195][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.573198][ T12] process_one_work (kernel/workqueue.c:3387) [ 23.573205][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.573208][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.573216][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.573223][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.573225][ T12] kthread (kernel/kthread.c:436) [ 23.573227][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.573230][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.573233][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.573236][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.573239][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.573243][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.573246][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.455048][ T557] softirqs last disabled at (16590): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 26.455050][ T557] Preemption disabled at: | [ 26.455051][ T557] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.455059][ T557] Tainted: [W]=WARN [ 26.455060][ T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.455062][ T557] Call Trace: [ 26.455064][ T557] [ 26.455065][ T557] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.455071][ T557] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.455073][ T557] __might_resched.cold (kernel/sched/core.c:9234) [ 26.455077][ T557] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.455081][ T557] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.455085][ T557] __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)) [ 26.455087][ T557] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.455093][ T557] ? 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) [ 26.455096][ T557] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.455099][ T557] put_chars (drivers/char/virtio_console.c:1176) [ 26.455102][ T557] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.455103][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.455106][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.455112][ T557] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.455119][ T557] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.455122][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455124][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.455128][ T557] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.455132][ T557] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.455134][ T557] ? 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)) [ 26.455137][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455138][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.455142][ T557] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.455146][ T557] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.455148][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.455154][ T557] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.455156][ T557] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.455158][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455160][ T557] ? 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) [ 26.455164][ T557] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.455165][ T557] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.455168][ T557] vprintk_emit (kernel/printk/printk.c:2479) [ 26.455171][ T557] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.455173][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.455176][ T557] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.455179][ T557] _printk (kernel/printk/printk.c:2504) [ 26.455183][ T557] ? snapshot_read.cold (user.c:?) [ 26.455186][ T557] ? br_multicast_flood (??:?) [ 26.455190][ T557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.455191][ T557] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.455192][ T557] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.455196][ T557] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.455200][ T557] br_init_port (net/bridge/br_stp_if.c:39) [ 26.455203][ T557] new_nbp (net/bridge/br_if.c:449) [ 26.455207][ T557] br_add_if (net/bridge/br_if.c:592) [ 26.455209][ T557] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 26.455213][ T557] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.455219][ T557] do_set_master (net/core/rtnetlink.c:3071) [ 26.455220][ T557] ? netif_change_flags (net/core/dev.c:9882) [ 26.455224][ T557] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.455227][ T557] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.455231][ T557] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.455232][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.455235][ T557] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.455238][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.455240][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.455242][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.455244][ T557] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.455246][ T557] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.455248][ T557] ? kasan_save_track (mm/kasan/common.c:78) [ 26.455251][ T557] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.455253][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.455255][ T557] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.455258][ T557] ? ___sys_sendmsg (net/socket.c:2758) [ 26.455262][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.455264][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.455266][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455268][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.455269][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455270][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455272][ T557] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.455275][ T557] ? __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) [ 26.455277][ T557] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.455279][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.455282][ T557] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.455284][ T557] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.455288][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455291][ T557] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.455296][ T557] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.455301][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.455302][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.455307][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.455309][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.455311][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.455313][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.455316][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.455318][ T557] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.455321][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.455323][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.455327][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.455329][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.455333][ T557] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.455336][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.455338][ T557] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.455345][ T557] ? 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)) [ 26.455347][ T557] ? 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)) [ 26.455351][ T557] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.455355][ T557] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.455357][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.455362][ T557] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.455365][ T557] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.455369][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.455371][ T557] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.455376][ T557] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.455379][ T557] ____sys_sendmsg (net/socket.c:2713) [ 26.455381][ T557] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.455383][ T557] ? sock_write_iter (net/socket.c:1269) [ 26.455385][ T557] ? move_addr_to_kernel (net/socket.c:258) [ 26.455392][ T557] ___sys_sendmsg (net/socket.c:2767) [ 26.455395][ T557] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.455410][ T557] __sys_sendmsg (net/socket.c:2799) [ 26.455413][ T557] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.455419][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.455422][ T557] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.455425][ T557] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.455428][ T557] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.455430][ T557] RIP: 0033:0x7f84e290454e [ 26.455434][ T557] 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 [ 26.455436][ T557] RSP: 002b:00007ffd9d0c9f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.455439][ T557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f84e290454e [ 26.455440][ T557] RDX: 0000000000000000 RSI: 00007ffd9d0c9fb0 RDI: 0000000000000005 [ 26.455441][ T557] RBP: 00007ffd9d0c9f10 R08: 0000000000000000 R09: 0000000000000000 [ 26.455442][ T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be19 [ 26.455443][ T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9d0ca680 | [ 33.925013][ T12] softirqs last disabled at (251450): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 33.925015][ T12] Preemption disabled at: | [ 33.925016][ T12] 0x0 | [ 33.925026][ T12] Tainted: [W]=WARN [ 33.925027][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.925028][ T12] Workqueue: netns cleanup_net [ 33.925031][ T12] Call Trace: [ 33.925033][ T12] [ 33.925035][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.925041][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 33.925046][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.925050][ 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) [ 33.925054][ 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)) [ 33.925056][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.925063][ 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) [ 33.925066][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.925070][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 33.925072][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.925079][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.925087][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.925090][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.925095][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.925099][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.925101][ 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)) [ 33.925104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.925107][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.925111][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.925115][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.925117][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.925123][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.925126][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.925128][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.925129][ 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) [ 33.925133][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.925135][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.925138][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 33.925141][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.925142][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.925145][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.925147][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.925151][ T12] _printk (kernel/printk/printk.c:2504) [ 33.925155][ T12] ? snapshot_read.cold (user.c:?) [ 33.925163][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.925168][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 33.925171][ T12] br_device_event (net/bridge/br.c:111) [ 33.925174][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.925178][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.925184][ T12] notifier_call_chain (kernel/notifier.c:85) [ 33.925190][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 33.925193][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 33.925197][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 33.925200][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 33.925204][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 33.925207][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 33.925209][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.925210][ T12] ? kthread (kernel/kthread.c:436) [ 33.925212][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 33.925215][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 33.925218][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 33.925222][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.925227][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 33.925231][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 33.925233][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.925236][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 33.925240][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 33.925244][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 33.925247][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 33.925248][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.925251][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 33.925256][ T12] cleanup_net (net/core/net_namespace.c:706) [ 33.925259][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 33.925263][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.925265][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.925268][ T12] process_one_work (kernel/workqueue.c:3387) [ 33.925275][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.925278][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.925286][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.925293][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.925295][ T12] kthread (kernel/kthread.c:436) [ 33.925297][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.925301][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.925306][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.925309][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.925312][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.925316][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.925319][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.844286][ T756] softirqs last disabled at (19580): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 36.844288][ T756] Preemption disabled at: | [ 36.844289][ T756] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.844297][ T756] Tainted: [W]=WARN [ 36.844298][ T756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.844300][ T756] Call Trace: [ 36.844302][ T756] [ 36.844303][ T756] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.844311][ T756] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.844312][ T756] __might_resched.cold (kernel/sched/core.c:9234) [ 36.844317][ T756] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.844321][ T756] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.844326][ T756] __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)) [ 36.844327][ T756] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.844334][ T756] ? 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) [ 36.844336][ T756] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.844340][ T756] put_chars (drivers/char/virtio_console.c:1176) [ 36.844342][ T756] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.844344][ T756] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.844347][ T756] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.844352][ T756] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.844360][ T756] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.844363][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844365][ T756] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.844369][ T756] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.844373][ T756] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.844375][ T756] ? 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)) [ 36.844378][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844380][ T756] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.844383][ T756] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.844387][ T756] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.844389][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.844394][ T756] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.844397][ T756] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.844399][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844401][ T756] ? 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) [ 36.844404][ T756] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.844406][ T756] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.844409][ T756] vprintk_emit (kernel/printk/printk.c:2479) [ 36.844412][ T756] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.844413][ T756] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.844416][ T756] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.844419][ T756] _printk (kernel/printk/printk.c:2504) [ 36.844423][ T756] ? snapshot_read.cold (user.c:?) [ 36.844427][ T756] ? br_multicast_flood (??:?) [ 36.844430][ T756] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.844431][ T756] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.844432][ T756] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.844436][ T756] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.844440][ T756] br_init_port (net/bridge/br_stp_if.c:39) [ 36.844443][ T756] new_nbp (net/bridge/br_if.c:449) [ 36.844446][ T756] br_add_if (net/bridge/br_if.c:592) [ 36.844449][ T756] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.844453][ T756] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.844458][ T756] do_set_master (net/core/rtnetlink.c:3071) [ 36.844460][ T756] ? netif_change_flags (net/core/dev.c:9882) [ 36.844463][ T756] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.844466][ T756] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.844470][ T756] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.844471][ T756] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.844474][ T756] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.844477][ T756] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.844479][ T756] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.844481][ T756] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.844483][ T756] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.844485][ T756] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.844486][ T756] ? kasan_save_track (mm/kasan/common.c:78) [ 36.844488][ T756] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.844490][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.844492][ T756] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 36.844495][ T756] ? ___sys_sendmsg (net/socket.c:2758) [ 36.844498][ T756] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.844500][ T756] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.844503][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844504][ T756] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.844506][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844507][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844509][ T756] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.844511][ T756] ? __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) [ 36.844514][ T756] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.844516][ T756] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.844519][ T756] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.844520][ T756] ? nla_get_range_signed (lib/nlattr.c:270) [ 36.844524][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844527][ T756] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.844532][ T756] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.844537][ T756] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.844539][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.844543][ T756] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.844545][ T756] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.844547][ T756] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.844549][ T756] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.844552][ T756] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.844554][ T756] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.844557][ T756] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.844558][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.844563][ T756] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.844565][ T756] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.844568][ T756] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.844571][ T756] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.844574][ T756] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.844580][ T756] ? 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)) [ 36.844582][ T756] ? 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)) [ 36.844586][ T756] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.844590][ T756] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.844593][ T756] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.844597][ T756] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.844601][ T756] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.844604][ T756] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.844606][ T756] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.844611][ T756] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.844614][ T756] ____sys_sendmsg (net/socket.c:2713) [ 36.844616][ T756] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.844618][ T756] ? sock_write_iter (net/socket.c:1269) [ 36.844619][ T756] ? move_addr_to_kernel (net/socket.c:258) [ 36.844627][ T756] ___sys_sendmsg (net/socket.c:2767) [ 36.844629][ T756] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.844645][ T756] __sys_sendmsg (net/socket.c:2799) [ 36.844648][ T756] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.844654][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.844657][ T756] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.844660][ T756] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.844663][ T756] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.844665][ T756] RIP: 0033:0x7f17ffc6c54e [ 36.844669][ T756] 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 [ 36.844670][ T756] RSP: 002b:00007ffe0ff9e080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.844673][ T756] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f17ffc6c54e [ 36.844674][ T756] RDX: 0000000000000000 RSI: 00007ffe0ff9e130 RDI: 0000000000000005 [ 36.844675][ T756] RBP: 00007ffe0ff9e090 R08: 0000000000000000 R09: 0000000000000000 [ 36.844676][ T756] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be24 [ 36.844676][ T756] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ff9e800 | [ 52.168386][ C3] softirqs last disabled at (1716273): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.168387][ C3] Preemption disabled at: | [ 52.168388][ C3] 0x0 | [ 52.168397][ C3] Tainted: [W]=WARN [ 52.168398][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.168400][ C3] Call Trace: [ 52.168401][ C3] [ 52.168403][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.168409][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 52.168413][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.168416][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 52.168419][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168422][ C3] __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)) [ 52.168425][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.168428][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.168432][ C3] ? 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) [ 52.168434][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.168436][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 52.168438][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.168439][ C3] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 52.168442][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.168447][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.168449][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168450][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.168453][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.168455][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.168457][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168458][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168459][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.168461][ C3] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.168463][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.168465][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.168468][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.168469][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.168471][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.168473][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168474][ C3] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.168475][ C3] ? 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) [ 52.168477][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.168479][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.168481][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 52.168482][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.168483][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 52.168487][ C3] _printk (kernel/printk/printk.c:2504) [ 52.168491][ C3] ? snapshot_read.cold (user.c:?) [ 52.168492][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 52.168495][ C3] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.168497][ C3] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 52.168499][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 52.168501][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.168504][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 52.168506][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 52.168507][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.168510][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.168511][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.168514][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168516][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.168517][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.168519][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.168520][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.168521][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.168523][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.168524][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 52.168528][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 52.168530][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.168533][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.168534][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.168536][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168538][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.168540][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.168541][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.168543][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.168546][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.168548][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.168550][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.168552][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.168554][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168556][ C3] handle_softirqs (kernel/softirq.c:645) [ 52.168557][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.168559][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.168561][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.168563][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 52.168564][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.168567][ C3] [ 52.168567][ C3] [ 52.168568][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.168569][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.168571][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.168573][ C3] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 52.168575][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 52.168578][ C3] RAX: 00000000001a302f RBX: ff11000001cb8040 RCX: ffffffff87d06247 [ 52.168579][ C3] RDX: ff11000001cb8040 RSI: ffffffff8af11011 RDI: ffffffff8a8949e0 [ 52.168580][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.168581][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 52.168582][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.168583][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.168586][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.168588][ C3] default_idle_call (kernel/sched/idle.c:122) [ 52.168590][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.168591][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 52.168593][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.168596][ C3] ? trace_sched_exit_tp (./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/sched.h:886) [ 52.168597][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.168599][ C3] do_idle (kernel/sched/idle.c:355) [ 52.168600][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.168602][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.168604][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.168606][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 52.227753][ C3] | [ 52.227864][ C3] | [ 52.227864][ C3] stack backtrace: | [ 52.228034][ C3] Tainted: [W]=WARN [ 52.228035][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.228036][ C3] Call Trace: [ 52.228038][ C3] [ 52.228039][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.228043][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 52.228046][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.228049][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 52.228051][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 52.228053][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.228055][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.228057][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.228058][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.228061][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.228062][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.228064][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.228065][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.228067][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.228068][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.228069][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 52.228072][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 52.228073][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.228076][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.228078][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.228080][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.228082][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.228083][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.228085][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.228087][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.228090][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.228093][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.228095][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.228096][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.228099][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.228100][ C3] handle_softirqs (kernel/softirq.c:645) [ 52.228102][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.228104][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.228106][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.228108][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 52.228109][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.228111][ C3] [ 52.228111][ C3] [ 52.228112][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.228113][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.228115][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.228117][ C3] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 52.228118][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 52.228121][ C3] RAX: 00000000001a302f RBX: ff11000001cb8040 RCX: ffffffff87d06247 [ 52.228122][ C3] RDX: ff11000001cb8040 RSI: ffffffff8af11011 RDI: ffffffff8a8949e0 [ 52.228123][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.228124][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 52.228124][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.228126][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.228128][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.228130][ C3] default_idle_call (kernel/sched/idle.c:122) [ 52.228131][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.228133][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 52.228135][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.228136][ C3] ? trace_sched_exit_tp (./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/sched.h:886) [ 52.228139][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.228140][ C3] do_idle (kernel/sched/idle.c:355) [ 52.228142][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.228143][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.228145][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.228147][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 56.571771][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 56.571773][ T12] Preemption disabled at: | [ 56.571774][ T12] 0x0 | [ 56.571783][ T12] Tainted: [W]=WARN [ 56.571784][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.571786][ T12] Workqueue: netns cleanup_net [ 56.571792][ T12] Call Trace: [ 56.571793][ T12] [ 56.571795][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.571800][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 56.571804][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.571808][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571811][ 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)) [ 56.571814][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.571817][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.571821][ 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) [ 56.571823][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.571826][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 56.571827][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.571828][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 56.571831][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.571833][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.571838][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.571840][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.571841][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571844][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.571846][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.571848][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571849][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571850][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571851][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571853][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.571855][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.571857][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.571860][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.571861][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571863][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.571865][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571866][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.571867][ 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) [ 56.571869][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.571870][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.571872][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.571873][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 56.571875][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.571876][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571877][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.571880][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 56.571882][ T12] _printk (kernel/printk/printk.c:2504) [ 56.571885][ T12] ? snapshot_read.cold (user.c:?) [ 56.571887][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 56.571890][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.571894][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 56.571896][ T12] br_device_event (net/bridge/br.c:111) [ 56.571898][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 56.571900][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 56.571902][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 56.571905][ T12] notifier_call_chain (kernel/notifier.c:85) [ 56.571908][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 56.571910][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 56.571912][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571914][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 56.571916][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 56.571918][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 56.571920][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.571921][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.571924][ T12] ? kthread (kernel/kthread.c:436) [ 56.571926][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 56.571929][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 56.571931][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 56.571932][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571933][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.571935][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 56.571937][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 56.571938][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571940][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 56.571941][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.571943][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 56.571946][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.571948][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 56.571949][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 56.571952][ T12] cleanup_net (net/core/net_namespace.c:706) [ 56.571954][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 56.571956][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 56.571958][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571960][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571961][ T12] process_one_work (kernel/workqueue.c:3387) [ 56.571964][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 56.571966][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.571968][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.571970][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.571973][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.571975][ T12] kthread (kernel/kthread.c:436) [ 56.571976][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.571978][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.571980][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 56.571981][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 56.571983][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 56.571986][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.571988][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 58.375278][ T1034] softirqs last disabled at (0): 0x0 | [ 58.375280][ T1034] Preemption disabled at: | [ 58.375281][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.375290][ T1034] Tainted: [W]=WARN [ 58.375291][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.375293][ T1034] Call Trace: [ 58.375294][ T1034] [ 58.375295][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.375301][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.375302][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 58.375308][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.375311][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 58.375314][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375317][ T1034] __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)) [ 58.375320][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.375322][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.375328][ T1034] ? 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) [ 58.375329][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.375332][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 58.375333][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.375335][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.375338][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.375342][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.375344][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375346][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375348][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.375351][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.375353][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375354][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375355][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375356][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375358][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.375359][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.375362][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.375364][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.375366][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375368][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.375369][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375370][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.375372][ T1034] ? 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) [ 58.375373][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.375375][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.375377][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.375378][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 58.375380][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.375381][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.375382][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.375385][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375387][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375388][ T1034] _printk (kernel/printk/printk.c:2504) [ 58.375391][ T1034] ? snapshot_read.cold (user.c:?) [ 58.375393][ T1034] ? br_multicast_flood (??:?) [ 58.375397][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.375400][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.375401][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.375403][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 58.375405][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 58.375407][ T1034] new_nbp (net/bridge/br_if.c:449) [ 58.375409][ T1034] br_add_if (net/bridge/br_if.c:592) [ 58.375411][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 58.375414][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.375418][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 58.375419][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 58.375421][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.375423][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 58.375424][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 58.375426][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375427][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.375430][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 58.375432][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 58.375433][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 58.375434][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 58.375435][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 58.375436][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 58.375437][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.375438][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.375441][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.375442][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.375444][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.375446][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 58.375448][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 58.375449][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 58.375451][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.375454][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.375457][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375458][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375459][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375460][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375461][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 58.375463][ T1034] ? __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) [ 58.375465][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 58.375466][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 58.375467][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 58.375468][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 58.375472][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375473][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 58.375475][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.375477][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375478][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.375479][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375480][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375481][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 58.375484][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 58.375486][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.375487][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375488][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 58.375491][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 58.375494][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375495][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375496][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375497][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.375499][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.375500][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.375501][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.375503][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.375505][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.375507][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.375508][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.375509][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 58.375511][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 58.375514][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375515][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.375517][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.375519][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 58.375520][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.375522][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.375524][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 58.375526][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.375527][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.375529][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 58.375532][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.375534][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 58.375535][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 58.375537][ T1034] ? sock_write_iter (net/socket.c:1269) [ 58.375538][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 58.375540][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.375542][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 58.375544][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 58.375549][ T1034] __sys_sendmsg (net/socket.c:2799) [ 58.375551][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 58.375553][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.375555][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.375557][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 58.375558][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.375560][ T1034] RIP: 0033:0x7f0b4e54a54e [ 58.375562][ T1034] 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 [ 58.375563][ T1034] RSP: 002b:00007ffd615153c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 58.375567][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0b4e54a54e [ 58.375568][ T1034] RDX: 0000000000000000 RSI: 00007ffd61515470 RDI: 0000000000000005 [ 58.375569][ T1034] RBP: 00007ffd615153d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.375570][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be39 [ 58.375571][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd61515b40 | [ 65.103191][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 65.103193][ T12] Preemption disabled at: | [ 65.103194][ T12] 0x0 | [ 65.103203][ T12] Tainted: [W]=WARN [ 65.103204][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.103206][ T12] Workqueue: netns cleanup_net [ 65.103211][ T12] Call Trace: [ 65.103213][ T12] [ 65.103215][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.103221][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 65.103224][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.103229][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103231][ 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)) [ 65.103234][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.103237][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.103242][ 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) [ 65.103244][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.103246][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 65.103248][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.103249][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.103252][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.103254][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.103259][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.103260][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.103262][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.103265][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.103267][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.103269][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103270][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103271][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103272][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.103274][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.103276][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.103278][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.103281][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.103283][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.103284][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.103286][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103287][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.103288][ 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) [ 65.103290][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.103291][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.103293][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.103294][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 65.103296][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.103297][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103298][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.103301][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 65.103306][ T12] _printk (kernel/printk/printk.c:2504) [ 65.103309][ T12] ? snapshot_read.cold (user.c:?) [ 65.103311][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 65.103314][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.103318][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 65.103320][ T12] br_device_event (net/bridge/br.c:111) [ 65.103322][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 65.103324][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 65.103326][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 65.103329][ T12] notifier_call_chain (kernel/notifier.c:85) [ 65.103332][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 65.103334][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 65.103336][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.103338][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 65.103340][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 65.103342][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 65.103344][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.103345][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.103348][ T12] ? kthread (kernel/kthread.c:436) [ 65.103350][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 65.103353][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 65.103355][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 65.103356][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103357][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.103359][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 65.103361][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 65.103362][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.103364][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 65.103365][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.103367][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 65.103370][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.103372][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 65.103373][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 65.103376][ T12] cleanup_net (net/core/net_namespace.c:706) [ 65.103378][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 65.103380][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.103381][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.103383][ T12] process_one_work (kernel/workqueue.c:3387) [ 65.103386][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 65.103388][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.103389][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.103392][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.103394][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.103396][ T12] kthread (kernel/kthread.c:436) [ 65.103398][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.103399][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.103401][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 65.103402][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 65.103404][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 65.103407][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.103409][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 66.878759][ T1247] softirqs last disabled at (0): 0x0 | [ 66.878761][ T1247] Preemption disabled at: | [ 66.878762][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.878772][ T1247] Tainted: [W]=WARN [ 66.878773][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.878775][ T1247] Call Trace: [ 66.878776][ T1247] [ 66.878777][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.878783][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.878784][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 66.878788][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.878797][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 66.878801][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878804][ T1247] __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)) [ 66.878806][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.878809][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.878815][ T1247] ? 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) [ 66.878816][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.878819][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 66.878820][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.878822][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 66.878825][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.878829][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.878831][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878832][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878834][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.878837][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.878839][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878840][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878841][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878842][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878844][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 66.878845][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.878848][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.878850][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.878852][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878854][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.878855][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878856][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.878858][ T1247] ? 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) [ 66.878859][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 66.878860][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.878863][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.878864][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 66.878866][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.878867][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.878868][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.878871][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878873][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878874][ T1247] _printk (kernel/printk/printk.c:2504) [ 66.878877][ T1247] ? snapshot_read.cold (user.c:?) [ 66.878879][ T1247] ? br_multicast_flood (??:?) [ 66.878883][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 66.878885][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.878886][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.878888][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.878891][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 66.878893][ T1247] new_nbp (net/bridge/br_if.c:449) [ 66.878895][ T1247] br_add_if (net/bridge/br_if.c:592) [ 66.878896][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 66.878900][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.878903][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 66.878904][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 66.878906][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 66.878908][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.878910][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.878911][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878912][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 66.878915][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.878917][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.878918][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 66.878919][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.878920][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 66.878921][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 66.878922][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.878923][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.878926][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.878927][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.878929][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.878931][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 66.878933][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 66.878934][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 66.878936][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.878939][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.878941][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878942][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878944][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878945][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878946][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.878947][ T1247] ? __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) [ 66.878949][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.878950][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.878952][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.878953][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.878956][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878958][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.878960][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.878961][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878963][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.878964][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878965][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878966][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 66.878969][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 66.878970][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.878971][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878973][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 66.878976][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 66.878978][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878979][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.878981][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878982][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.878983][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.878985][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.878986][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.878987][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 66.878989][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.878991][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.878992][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.878994][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.878995][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 66.878998][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.878999][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.879001][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.879003][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.879005][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.879007][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.879009][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.879010][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.879012][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.879013][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.879016][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.879018][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 66.879019][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.879021][ T1247] ? sock_write_iter (net/socket.c:1269) [ 66.879022][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 66.879024][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.879027][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 66.879028][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.879033][ T1247] __sys_sendmsg (net/socket.c:2799) [ 66.879035][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.879038][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.879039][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.879041][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.879043][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.879044][ T1247] RIP: 0033:0x7fefe7c2c54e [ 66.879046][ T1247] 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 [ 66.879048][ T1247] RSP: 002b:00007ffd2d582bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.879051][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fefe7c2c54e [ 66.879052][ T1247] RDX: 0000000000000000 RSI: 00007ffd2d582c60 RDI: 0000000000000005 [ 66.879053][ T1247] RBP: 00007ffd2d582bc0 R08: 0000000000000000 R09: 0000000000000000 [ 66.879054][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be42 [ 66.879055][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2d583330 | [ 75.122935][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 75.122936][ T12] Preemption disabled at: | [ 75.122937][ T12] 0x0 | [ 75.122946][ T12] Tainted: [W]=WARN [ 75.122947][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.122949][ T12] Workqueue: netns cleanup_net [ 75.122955][ T12] Call Trace: [ 75.122956][ T12] [ 75.122957][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.122964][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 75.122967][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.122971][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.122974][ 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)) [ 75.122977][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.122980][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.122985][ 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) [ 75.122986][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.122989][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 75.122990][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.122991][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 75.122994][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 75.122996][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.123001][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.123003][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.123004][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.123007][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.123010][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.123011][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123012][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123013][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123014][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.123016][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 75.123018][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.123020][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.123023][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.123024][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.123026][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.123027][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123028][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.123030][ 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) [ 75.123031][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 75.123032][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.123034][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.123036][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 75.123038][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.123039][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123040][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.123043][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 75.123045][ T12] _printk (kernel/printk/printk.c:2504) [ 75.123048][ T12] ? snapshot_read.cold (user.c:?) [ 75.123050][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 75.123053][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 75.123057][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 75.123059][ T12] br_device_event (net/bridge/br.c:111) [ 75.123061][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 75.123063][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 75.123064][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 75.123067][ T12] notifier_call_chain (kernel/notifier.c:85) [ 75.123070][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 75.123073][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 75.123075][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.123076][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 75.123078][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 75.123080][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 75.123082][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.123084][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.123086][ T12] ? kthread (kernel/kthread.c:436) [ 75.123088][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 75.123091][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 75.123093][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 75.123094][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123095][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.123098][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 75.123099][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 75.123100][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.123102][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 75.123103][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.123105][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 75.123108][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.123110][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 75.123111][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 75.123114][ T12] cleanup_net (net/core/net_namespace.c:706) [ 75.123116][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 75.123118][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.123119][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.123121][ T12] process_one_work (kernel/workqueue.c:3387) [ 75.123123][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 75.123126][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.123128][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.123131][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.123133][ T12] kthread (kernel/kthread.c:436) [ 75.123134][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.123136][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.123137][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 75.123139][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 75.123141][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 75.123144][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.123146][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 76.922843][ T1516] softirqs last disabled at (0): 0x0 | [ 76.922844][ T1516] Preemption disabled at: | [ 76.922845][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 76.922855][ T1516] Tainted: [W]=WARN [ 76.922856][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.922857][ T1516] Call Trace: [ 76.922859][ T1516] [ 76.922860][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.922866][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 76.922867][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 76.922871][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.922874][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 76.922877][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922880][ 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)) [ 76.922882][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.922885][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.922890][ 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) [ 76.922891][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.922894][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 76.922895][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.922897][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.922899][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.922904][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.922906][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922907][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.922909][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.922912][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.922914][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922915][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922916][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922917][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.922919][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.922920][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.922923][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.922925][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.922927][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.922928][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.922930][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922931][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.922933][ 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) [ 76.922934][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 76.922935][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.922937][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.922939][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 76.922940][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.922941][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.922943][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.922945][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.922947][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922948][ T1516] _printk (kernel/printk/printk.c:2504) [ 76.922951][ T1516] ? snapshot_read.cold (user.c:?) [ 76.922953][ T1516] ? br_multicast_flood (??:?) [ 76.922956][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 76.922959][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.922960][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.922962][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 76.922965][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 76.922966][ T1516] new_nbp (net/bridge/br_if.c:449) [ 76.922968][ T1516] br_add_if (net/bridge/br_if.c:592) [ 76.922970][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 76.922974][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 76.922976][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 76.922978][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 76.922980][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 76.922981][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 76.922982][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.922983][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.922987][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 76.922989][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 76.922990][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 76.922991][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 76.922992][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 76.922993][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 76.922994][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.922995][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.922997][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.922999][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.923000][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.923003][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 76.923004][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 76.923006][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 76.923007][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.923011][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.923013][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923014][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.923015][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923016][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923017][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 76.923019][ T1516] ? __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) [ 76.923021][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 76.923022][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 76.923024][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 76.923024][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 76.923028][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923029][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 76.923031][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.923033][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923034][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.923035][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.923037][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923038][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 76.923041][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 76.923042][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.923044][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923045][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 76.923049][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 76.923051][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923052][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.923053][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923054][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.923056][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.923057][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.923058][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.923060][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.923062][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.923064][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.923065][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.923066][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 76.923068][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 76.923071][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923072][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.923074][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.923076][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 76.923077][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.923079][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.923081][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 76.923083][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.923084][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.923086][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 76.923089][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.923090][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 76.923092][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 76.923094][ T1516] ? sock_write_iter (net/socket.c:1269) [ 76.923095][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 76.923096][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.923099][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 76.923101][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 76.923106][ T1516] __sys_sendmsg (net/socket.c:2799) [ 76.923107][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 76.923110][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.923111][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.923113][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 76.923115][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.923116][ T1516] RIP: 0033:0x7f3ecf16654e [ 76.923118][ 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 [ 76.923120][ T1516] RSP: 002b:00007ffcdd848a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 76.923123][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ecf16654e [ 76.923124][ T1516] RDX: 0000000000000000 RSI: 00007ffcdd848b30 RDI: 0000000000000005 [ 76.923125][ T1516] RBP: 00007ffcdd848a90 R08: 0000000000000000 R09: 0000000000000000 [ 76.923126][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be4c [ 76.923127][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdd849200 | [ 85.104337][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 85.104339][ T12] Preemption disabled at: | [ 85.104339][ T12] 0x0 | [ 85.104349][ T12] Tainted: [W]=WARN [ 85.104350][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.104352][ T12] Workqueue: netns cleanup_net [ 85.104358][ T12] Call Trace: [ 85.104359][ T12] [ 85.104361][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.104367][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 85.104370][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.104375][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104378][ 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)) [ 85.104381][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.104384][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.104389][ 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) [ 85.104390][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.104393][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 85.104395][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.104396][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 85.104399][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 85.104402][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.104406][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.104408][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.104410][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.104412][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.104415][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.104417][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104418][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104419][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104420][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.104422][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 85.104424][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.104427][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.104429][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.104431][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.104433][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.104435][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104436][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 85.104437][ 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) [ 85.104439][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 85.104440][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.104442][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.104444][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 85.104446][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.104447][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104448][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.104451][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 85.104453][ T12] _printk (kernel/printk/printk.c:2504) [ 85.104456][ T12] ? snapshot_read.cold (user.c:?) [ 85.104458][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 85.104461][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 85.104465][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 85.104467][ T12] br_device_event (net/bridge/br.c:111) [ 85.104469][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 85.104471][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 85.104473][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 85.104476][ T12] notifier_call_chain (kernel/notifier.c:85) [ 85.104479][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 85.104482][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 85.104484][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.104486][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 85.104488][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 85.104490][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 85.104492][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.104493][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.104496][ T12] ? kthread (kernel/kthread.c:436) [ 85.104498][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 85.104501][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 85.104503][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 85.104505][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104506][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.104508][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 85.104510][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 85.104511][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.104513][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 85.104514][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.104516][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 85.104519][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.104521][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 85.104523][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 85.104526][ T12] cleanup_net (net/core/net_namespace.c:706) [ 85.104528][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 85.104530][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.104532][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.104533][ T12] process_one_work (kernel/workqueue.c:3387) [ 85.104536][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 85.104539][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.104542][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.104545][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.104546][ T12] kthread (kernel/kthread.c:436) [ 85.104548][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.104550][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.104552][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 85.104553][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 85.104555][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 85.104558][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.104560][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 86.975285][ T1785] softirqs last disabled at (0): 0x0 | [ 86.975286][ T1785] Preemption disabled at: | [ 86.975287][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.975297][ T1785] Tainted: [W]=WARN [ 86.975298][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.975300][ T1785] Call Trace: [ 86.975301][ T1785] [ 86.975303][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.975311][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.975312][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 86.975316][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.975319][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 86.975322][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975325][ T1785] __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)) [ 86.975328][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.975331][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.975335][ T1785] ? 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) [ 86.975337][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.975340][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 86.975341][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.975343][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 86.975346][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.975350][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.975352][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975353][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975356][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.975359][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.975361][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975362][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975363][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975364][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975365][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 86.975367][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.975370][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.975372][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.975374][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975376][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.975378][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975378][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.975380][ T1785] ? 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) [ 86.975382][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 86.975383][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.975385][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.975386][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 86.975388][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.975389][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.975391][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.975394][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975395][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975397][ T1785] _printk (kernel/printk/printk.c:2504) [ 86.975400][ T1785] ? snapshot_read.cold (user.c:?) [ 86.975402][ T1785] ? br_multicast_flood (??:?) [ 86.975405][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 86.975408][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 86.975409][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.975411][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 86.975413][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 86.975415][ T1785] new_nbp (net/bridge/br_if.c:449) [ 86.975417][ T1785] br_add_if (net/bridge/br_if.c:592) [ 86.975419][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 86.975422][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.975426][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 86.975427][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 86.975429][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 86.975431][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 86.975433][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 86.975434][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975435][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 86.975438][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 86.975440][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 86.975441][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 86.975442][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 86.975443][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 86.975445][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 86.975446][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.975447][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.975450][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.975451][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.975453][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.975455][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 86.975456][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 86.975458][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 86.975460][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.975463][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.975465][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975467][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975468][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975469][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975470][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 86.975472][ T1785] ? __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) [ 86.975473][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 86.975475][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 86.975476][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 86.975477][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 86.975481][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975482][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 86.975484][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 86.975486][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975487][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.975488][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975490][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975491][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 86.975494][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 86.975495][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.975497][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975498][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 86.975501][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 86.975503][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975505][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975506][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975507][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.975509][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.975510][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.975512][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.975513][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 86.975515][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.975517][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.975518][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.975520][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 86.975521][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 86.975524][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975525][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.975528][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.975530][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 86.975532][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.975533][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.975536][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 86.975537][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.975539][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.975540][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 86.975543][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.975545][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 86.975547][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 86.975549][ T1785] ? sock_write_iter (net/socket.c:1269) [ 86.975550][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 86.975552][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.975554][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 86.975556][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 86.975561][ T1785] __sys_sendmsg (net/socket.c:2799) [ 86.975563][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 86.975566][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.975567][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.975569][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 86.975571][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.975572][ T1785] RIP: 0033:0x7f33b2c1b54e [ 86.975574][ T1785] 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 [ 86.975576][ T1785] RSP: 002b:00007ffdfcba0830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 86.975580][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f33b2c1b54e [ 86.975581][ T1785] RDX: 0000000000000000 RSI: 00007ffdfcba08e0 RDI: 0000000000000005 [ 86.975582][ T1785] RBP: 00007ffdfcba0840 R08: 0000000000000000 R09: 0000000000000000 [ 86.975583][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be56 [ 86.975584][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfcba0fb0 | [ 93.741381][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 93.741383][ T12] Preemption disabled at: | [ 93.741384][ T12] 0x0 | [ 93.741393][ T12] Tainted: [W]=WARN [ 93.741394][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.741396][ T12] Workqueue: netns cleanup_net [ 93.741401][ T12] Call Trace: [ 93.741403][ T12] [ 93.741404][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.741410][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 93.741414][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.741418][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741421][ 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)) [ 93.741424][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.741427][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.741432][ 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) [ 93.741433][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.741436][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 93.741437][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.741438][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 93.741441][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.741444][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.741448][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.741450][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.741452][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.741454][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.741457][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.741459][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741460][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741461][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741462][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.741464][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.741465][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.741468][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.741470][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.741472][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.741474][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.741475][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741476][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.741478][ 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) [ 93.741479][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.741481][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.741483][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.741484][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 93.741486][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.741487][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741488][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.741491][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 93.741493][ T12] _printk (kernel/printk/printk.c:2504) [ 93.741496][ T12] ? snapshot_read.cold (user.c:?) [ 93.741498][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 93.741501][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 93.741505][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 93.741507][ T12] br_device_event (net/bridge/br.c:111) [ 93.741509][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 93.741511][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 93.741513][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 93.741516][ T12] notifier_call_chain (kernel/notifier.c:85) [ 93.741519][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 93.741521][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 93.741524][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.741525][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 93.741527][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 93.741529][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 93.741531][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 93.741532][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.741535][ T12] ? kthread (kernel/kthread.c:436) [ 93.741537][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 93.741540][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 93.741542][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 93.741544][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741545][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.741547][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 93.741548][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 93.741549][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.741551][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 93.741552][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.741554][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 93.741557][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 93.741559][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 93.741560][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 93.741563][ T12] cleanup_net (net/core/net_namespace.c:706) [ 93.741565][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 93.741567][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741568][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.741569][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.741571][ T12] process_one_work (kernel/workqueue.c:3387) [ 93.741574][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 93.741576][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.741578][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.741581][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 93.741583][ T12] kthread (kernel/kthread.c:436) [ 93.741584][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.741586][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.741588][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 93.741589][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 93.741591][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 93.741594][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.741596][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 95.611674][ T1977] softirqs last disabled at (0): 0x0 | [ 95.611676][ T1977] Preemption disabled at: | [ 95.611676][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 95.611687][ T1977] Tainted: [W]=WARN [ 95.611688][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.611689][ T1977] Call Trace: [ 95.611690][ T1977] [ 95.611692][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.611697][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 95.611698][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 95.611702][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.611705][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 95.611709][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611711][ T1977] __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)) [ 95.611714][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.611717][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.611722][ T1977] ? 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) [ 95.611723][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.611726][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 95.611727][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.611729][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 95.611731][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.611736][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.611738][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611739][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611741][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.611744][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.611746][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611747][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611748][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611749][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611751][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 95.611752][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.611755][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.611757][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.611759][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611760][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.611762][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611763][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.611764][ T1977] ? 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) [ 95.611766][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 95.611767][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.611769][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.611771][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 95.611772][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.611773][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.611775][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.611778][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611779][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611781][ T1977] _printk (kernel/printk/printk.c:2504) [ 95.611784][ T1977] ? snapshot_read.cold (user.c:?) [ 95.611786][ T1977] ? br_multicast_flood (??:?) [ 95.611789][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 95.611792][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 95.611793][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.611795][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 95.611797][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 95.611799][ T1977] new_nbp (net/bridge/br_if.c:449) [ 95.611801][ T1977] br_add_if (net/bridge/br_if.c:592) [ 95.611803][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 95.611806][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.611809][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 95.611810][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 95.611813][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 95.611814][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 95.611816][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 95.611817][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611818][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 95.611821][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 95.611823][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 95.611824][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 95.611825][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 95.611826][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 95.611827][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 95.611828][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.611829][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 95.611832][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 95.611833][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 95.611835][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 95.611837][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 95.611838][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 95.611840][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 95.611842][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.611845][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.611847][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611848][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611849][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611850][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611851][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 95.611853][ T1977] ? __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) [ 95.611855][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 95.611856][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 95.611857][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 95.611858][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 95.611862][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611863][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 95.611865][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 95.611867][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611868][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 95.611869][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611870][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611872][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 95.611874][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 95.611875][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.611877][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611878][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 95.611881][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 95.611883][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611884][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611886][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611887][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 95.611888][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.611890][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 95.611895][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.611897][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 95.611899][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 95.611901][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 95.611902][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.611903][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 95.611905][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 95.611908][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611909][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.611911][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 95.611913][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 95.611914][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.611916][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 95.611918][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 95.611920][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.611921][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.611923][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 95.611926][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 95.611928][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 95.611929][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 95.611931][ T1977] ? sock_write_iter (net/socket.c:1269) [ 95.611932][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 95.611934][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.611936][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 95.611938][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 95.611943][ T1977] __sys_sendmsg (net/socket.c:2799) [ 95.611945][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 95.611948][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.611949][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.611951][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 95.611952][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.611954][ T1977] RIP: 0033:0x7fa6f17fb54e [ 95.611956][ T1977] 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 [ 95.611957][ T1977] RSP: 002b:00007ffdbdb32540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 95.611961][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa6f17fb54e [ 95.611962][ T1977] RDX: 0000000000000000 RSI: 00007ffdbdb325f0 RDI: 0000000000000005 [ 95.611963][ T1977] RBP: 00007ffdbdb32550 R08: 0000000000000000 R09: 0000000000000000 [ 95.611964][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be5e [ 95.611965][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbdb32cc0 | [ 102.825066][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 102.825068][ T12] Preemption disabled at: | [ 102.825068][ T12] 0x0 | [ 102.825078][ T12] Tainted: [W]=WARN [ 102.825079][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 102.825080][ T12] Workqueue: netns cleanup_net [ 102.825086][ T12] Call Trace: [ 102.825087][ T12] [ 102.825089][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 102.825095][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 102.825098][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.825102][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825105][ 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)) [ 102.825108][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.825110][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.825115][ 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) [ 102.825116][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.825119][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 102.825121][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 102.825122][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 102.825124][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 102.825127][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 102.825132][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 102.825133][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.825135][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.825138][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 102.825140][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 102.825142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825143][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825144][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825145][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.825147][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 102.825148][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 102.825151][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 102.825153][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 102.825155][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.825157][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 102.825158][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825159][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.825161][ 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) [ 102.825162][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 102.825164][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 102.825166][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 102.825167][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 102.825169][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 102.825170][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825171][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.825174][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 102.825176][ T12] _printk (kernel/printk/printk.c:2504) [ 102.825179][ T12] ? snapshot_read.cold (user.c:?) [ 102.825181][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 102.825184][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 102.825188][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 102.825190][ T12] br_device_event (net/bridge/br.c:111) [ 102.825192][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 102.825194][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 102.825196][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 102.825198][ T12] notifier_call_chain (kernel/notifier.c:85) [ 102.825201][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 102.825204][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 102.825206][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.825208][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 102.825210][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 102.825212][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 102.825214][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 102.825215][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 102.825218][ T12] ? kthread (kernel/kthread.c:436) [ 102.825219][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 102.825222][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 102.825224][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 102.825226][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825227][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.825229][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 102.825230][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 102.825232][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.825233][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 102.825235][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.825236][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 102.825239][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 102.825241][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 102.825243][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 102.825246][ T12] cleanup_net (net/core/net_namespace.c:706) [ 102.825247][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 102.825249][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.825251][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.825252][ T12] process_one_work (kernel/workqueue.c:3387) [ 102.825255][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 102.825257][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.825260][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 102.825262][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 102.825264][ T12] kthread (kernel/kthread.c:436) [ 102.825266][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.825267][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 102.825269][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 102.825271][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 102.825273][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 102.825276][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 102.825277][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 104.645998][ T2215] softirqs last disabled at (0): 0x0 | [ 104.645999][ T2215] Preemption disabled at: | [ 104.646000][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 104.646010][ T2215] Tainted: [W]=WARN [ 104.646011][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.646012][ T2215] Call Trace: [ 104.646014][ T2215] [ 104.646015][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.646021][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 104.646022][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 104.646026][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.646029][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 104.646032][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646035][ T2215] __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)) [ 104.646037][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.646040][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.646045][ T2215] ? 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) [ 104.646047][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.646050][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 104.646051][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.646053][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.646055][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.646060][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.646062][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646063][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646065][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.646068][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.646070][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646071][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646072][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646073][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646075][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.646076][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.646079][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.646082][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.646083][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646085][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.646086][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646087][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.646089][ T2215] ? 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) [ 104.646090][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.646092][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.646094][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.646095][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 104.646096][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.646098][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.646099][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.646102][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646103][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646105][ T2215] _printk (kernel/printk/printk.c:2504) [ 104.646108][ T2215] ? snapshot_read.cold (user.c:?) [ 104.646110][ T2215] ? br_multicast_flood (??:?) [ 104.646113][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.646116][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.646117][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.646119][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 104.646122][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 104.646123][ T2215] new_nbp (net/bridge/br_if.c:449) [ 104.646125][ T2215] br_add_if (net/bridge/br_if.c:592) [ 104.646127][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 104.646131][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.646134][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 104.646136][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 104.646138][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.646139][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 104.646141][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 104.646142][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646143][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.646147][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 104.646149][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 104.646150][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 104.646151][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 104.646152][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 104.646153][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 104.646154][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.646155][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.646158][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.646159][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.646161][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.646163][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 104.646165][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 104.646166][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 104.646168][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.646171][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.646174][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646175][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646176][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646177][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646178][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 104.646180][ T2215] ? __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) [ 104.646181][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 104.646182][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 104.646184][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 104.646185][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 104.646188][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646189][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 104.646191][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.646193][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646194][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.646196][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646197][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646198][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 104.646201][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 104.646202][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.646204][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646205][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 104.646208][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 104.646210][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646211][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646213][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646214][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.646215][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.646217][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.646218][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.646219][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.646221][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.646223][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.646224][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.646226][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 104.646227][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 104.646230][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646231][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.646233][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.646235][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 104.646237][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.646239][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.646241][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 104.646242][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.646244][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.646245][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 104.646248][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.646250][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 104.646252][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 104.646253][ T2215] ? sock_write_iter (net/socket.c:1269) [ 104.646255][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 104.646256][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.646258][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 104.646260][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 104.646265][ T2215] __sys_sendmsg (net/socket.c:2799) [ 104.646267][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 104.646269][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.646271][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.646272][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 104.646274][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.646276][ T2215] RIP: 0033:0x7f7ebca7154e [ 104.646278][ T2215] 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 [ 104.646279][ T2215] RSP: 002b:00007ffde2d64500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 104.646283][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7ebca7154e [ 104.646284][ T2215] RDX: 0000000000000000 RSI: 00007ffde2d645b0 RDI: 0000000000000005 [ 104.646285][ T2215] RBP: 00007ffde2d64510 R08: 0000000000000000 R09: 0000000000000000 [ 104.646286][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be68 [ 104.646286][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde2d64c80 | [ 111.397037][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 111.397039][ T12] Preemption disabled at: | [ 111.397040][ T12] 0x0 | [ 111.397049][ T12] Tainted: [W]=WARN [ 111.397050][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.397051][ T12] Workqueue: netns cleanup_net [ 111.397057][ T12] Call Trace: [ 111.397059][ T12] [ 111.397061][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.397066][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 111.397070][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.397074][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397077][ 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)) [ 111.397080][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.397083][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.397087][ 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) [ 111.397089][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.397091][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 111.397093][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.397094][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 111.397096][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.397099][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.397104][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.397105][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.397107][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.397110][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.397112][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.397114][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397115][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397116][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397117][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.397119][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.397121][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.397123][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.397126][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.397127][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.397129][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.397130][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397131][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.397133][ 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) [ 111.397134][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.397136][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.397138][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.397139][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 111.397141][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.397142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397143][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.397146][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 111.397148][ T12] _printk (kernel/printk/printk.c:2504) [ 111.397150][ T12] ? snapshot_read.cold (user.c:?) [ 111.397153][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 111.397156][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.397159][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 111.397161][ T12] br_device_event (net/bridge/br.c:111) [ 111.397164][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 111.397166][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 111.397168][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 111.397170][ T12] notifier_call_chain (kernel/notifier.c:85) [ 111.397173][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 111.397176][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 111.397178][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.397180][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 111.397182][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 111.397184][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 111.397186][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.397187][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.397190][ T12] ? kthread (kernel/kthread.c:436) [ 111.397192][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 111.397195][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 111.397197][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 111.397198][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397199][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.397201][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 111.397203][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 111.397204][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.397206][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 111.397207][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.397209][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 111.397212][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.397214][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 111.397215][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 111.397218][ T12] cleanup_net (net/core/net_namespace.c:706) [ 111.397220][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 111.397221][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397223][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.397224][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.397226][ T12] process_one_work (kernel/workqueue.c:3387) [ 111.397229][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 111.397231][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.397233][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.397236][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.397238][ T12] kthread (kernel/kthread.c:436) [ 111.397239][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.397241][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.397243][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 111.397244][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 111.397246][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 111.397249][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.397251][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 113.445610][ T2413] softirqs last disabled at (0): 0x0 | [ 113.445612][ T2413] Preemption disabled at: | [ 113.445612][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.445622][ T2413] Tainted: [W]=WARN [ 113.445623][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.445625][ T2413] Call Trace: [ 113.445626][ T2413] [ 113.445627][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.445633][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.445634][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 113.445638][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.445641][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 113.445645][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445647][ T2413] __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)) [ 113.445650][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.445653][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.445658][ T2413] ? 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) [ 113.445660][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.445662][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 113.445664][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.445665][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 113.445668][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.445672][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.445674][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445675][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445678][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.445681][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.445682][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445683][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445684][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445685][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445687][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.445689][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.445691][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.445694][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.445695][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445697][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.445699][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445700][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.445701][ T2413] ? 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) [ 113.445702][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 113.445704][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.445706][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.445707][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 113.445709][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.445710][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.445711][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.445714][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445716][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445717][ T2413] _printk (kernel/printk/printk.c:2504) [ 113.445720][ T2413] ? snapshot_read.cold (user.c:?) [ 113.445722][ T2413] ? br_multicast_flood (??:?) [ 113.445726][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.445728][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.445730][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.445732][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 113.445734][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 113.445736][ T2413] new_nbp (net/bridge/br_if.c:449) [ 113.445738][ T2413] br_add_if (net/bridge/br_if.c:592) [ 113.445740][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 113.445743][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.445746][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 113.445748][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 113.445750][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.445751][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 113.445753][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 113.445754][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445755][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.445759][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 113.445761][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 113.445762][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 113.445763][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 113.445764][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 113.445765][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 113.445766][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.445767][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.445770][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.445771][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.445773][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.445775][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 113.445777][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 113.445778][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 113.445780][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.445783][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.445786][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445787][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445788][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445789][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445790][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 113.445792][ T2413] ? __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) [ 113.445793][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 113.445795][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 113.445796][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 113.445797][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 113.445800][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445802][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 113.445804][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.445806][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445807][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.445808][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445809][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445810][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 113.445813][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 113.445814][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.445816][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445817][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 113.445820][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 113.445822][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445823][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445825][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445826][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.445827][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.445829][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.445830][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.445831][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.445834][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.445835][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.445836][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.445838][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 113.445839][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 113.445842][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445843][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.445845][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.445847][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 113.445849][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.445851][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.445853][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 113.445854][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.445856][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.445857][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 113.445861][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.445862][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 113.445864][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 113.445866][ T2413] ? sock_write_iter (net/socket.c:1269) [ 113.445867][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 113.445868][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.445871][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 113.445873][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 113.445877][ T2413] __sys_sendmsg (net/socket.c:2799) [ 113.445879][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 113.445882][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.445883][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.445885][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 113.445887][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.445888][ T2413] RIP: 0033:0x7f1024b2154e [ 113.445890][ T2413] 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 [ 113.445892][ T2413] RSP: 002b:00007ffcd9813030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 113.445895][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1024b2154e [ 113.445897][ T2413] RDX: 0000000000000000 RSI: 00007ffcd98130e0 RDI: 0000000000000005 [ 113.445898][ T2413] RBP: 00007ffcd9813040 R08: 0000000000000000 R09: 0000000000000000 [ 113.445898][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be70 [ 113.445899][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd98137b0 | [ 120.215427][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 120.215429][ T12] Preemption disabled at: | [ 120.215430][ T12] 0x0 | [ 120.215439][ T12] Tainted: [W]=WARN [ 120.215440][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.215442][ T12] Workqueue: netns cleanup_net [ 120.215447][ T12] Call Trace: [ 120.215449][ T12] [ 120.215450][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.215457][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 120.215460][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.215464][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215467][ 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)) [ 120.215470][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.215473][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.215478][ 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) [ 120.215479][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.215482][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 120.215483][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.215484][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 120.215487][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.215489][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.215494][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.215495][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.215497][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.215499][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.215502][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.215504][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215505][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215506][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215507][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.215509][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.215510][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.215513][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.215515][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.215517][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.215519][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.215521][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215522][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.215523][ 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) [ 120.215525][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.215526][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.215528][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.215529][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 120.215531][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.215532][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215533][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.215536][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 120.215538][ T12] _printk (kernel/printk/printk.c:2504) [ 120.215541][ T12] ? snapshot_read.cold (user.c:?) [ 120.215543][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 120.215546][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 120.215549][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 120.215551][ T12] br_device_event (net/bridge/br.c:111) [ 120.215554][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 120.215555][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 120.215557][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 120.215560][ T12] notifier_call_chain (kernel/notifier.c:85) [ 120.215563][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 120.215565][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 120.215567][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.215569][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 120.215571][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 120.215573][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 120.215575][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.215576][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.215579][ T12] ? kthread (kernel/kthread.c:436) [ 120.215580][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 120.215583][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 120.215585][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 120.215587][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215588][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.215590][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 120.215591][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 120.215592][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.215594][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 120.215595][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.215597][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 120.215600][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.215602][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 120.215603][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 120.215606][ T12] cleanup_net (net/core/net_namespace.c:706) [ 120.215608][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 120.215610][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.215612][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.215613][ T12] process_one_work (kernel/workqueue.c:3387) [ 120.215616][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 120.215618][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.215621][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.215624][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 120.215625][ T12] kthread (kernel/kthread.c:436) [ 120.215627][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.215628][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.215630][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 120.215631][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 120.215633][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 120.215636][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.215638][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 122.050124][ T2621] softirqs last disabled at (0): 0x0 | [ 122.050126][ T2621] Preemption disabled at: | [ 122.050127][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 122.050136][ T2621] Tainted: [W]=WARN [ 122.050137][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.050139][ T2621] Call Trace: [ 122.050140][ T2621] [ 122.050141][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.050147][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 122.050148][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 122.050152][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.050155][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 122.050158][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050160][ T2621] __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)) [ 122.050163][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.050166][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.050171][ T2621] ? 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) [ 122.050172][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.050175][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 122.050176][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.050178][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 122.050180][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.050185][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.050187][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050188][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050190][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.050193][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.050195][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050196][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050197][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050198][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050200][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 122.050201][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.050204][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.050206][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.050208][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050209][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.050211][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050212][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.050213][ T2621] ? 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) [ 122.050215][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 122.050216][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.050218][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.050219][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 122.050221][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.050222][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.050224][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.050227][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050228][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050229][ T2621] _printk (kernel/printk/printk.c:2504) [ 122.050233][ T2621] ? snapshot_read.cold (user.c:?) [ 122.050234][ T2621] ? br_multicast_flood (??:?) [ 122.050238][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.050241][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.050242][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.050244][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 122.050246][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 122.050248][ T2621] new_nbp (net/bridge/br_if.c:449) [ 122.050250][ T2621] br_add_if (net/bridge/br_if.c:592) [ 122.050252][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 122.050255][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.050258][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 122.050260][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 122.050262][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.050264][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 122.050265][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 122.050266][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050267][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.050270][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 122.050272][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 122.050273][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 122.050274][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 122.050275][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 122.050276][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 122.050277][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.050278][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.050281][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.050282][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.050284][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.050286][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 122.050287][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 122.050289][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 122.050291][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.050294][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.050296][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050297][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050299][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050300][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050301][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 122.050306][ T2621] ? __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) [ 122.050308][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 122.050309][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 122.050310][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 122.050311][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 122.050315][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050316][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 122.050318][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.050320][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050321][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.050322][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050324][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050325][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 122.050328][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 122.050329][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.050330][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050331][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 122.050334][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 122.050337][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050338][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050339][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050340][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.050342][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.050343][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.050344][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.050346][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.050348][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.050349][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.050351][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.050352][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 122.050354][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 122.050357][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050358][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.050360][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.050362][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 122.050363][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.050365][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.050367][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 122.050369][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.050370][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.050372][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 122.050375][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.050376][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 122.050378][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 122.050380][ T2621] ? sock_write_iter (net/socket.c:1269) [ 122.050381][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 122.050383][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.050385][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 122.050387][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 122.050391][ T2621] __sys_sendmsg (net/socket.c:2799) [ 122.050393][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 122.050396][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.050397][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.050399][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 122.050401][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.050402][ T2621] RIP: 0033:0x7f4689e5f54e [ 122.050404][ T2621] 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 [ 122.050406][ T2621] RSP: 002b:00007ffef64b4230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 122.050410][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4689e5f54e [ 122.050411][ T2621] RDX: 0000000000000000 RSI: 00007ffef64b42e0 RDI: 0000000000000005 [ 122.050412][ T2621] RBP: 00007ffef64b4240 R08: 0000000000000000 R09: 0000000000000000 [ 122.050413][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be79 [ 122.050414][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef64b49b0 | [ 129.166408][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 129.166410][ T12] Preemption disabled at: | [ 129.166410][ T12] 0x0 | [ 129.166420][ T12] Tainted: [W]=WARN [ 129.166421][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.166423][ T12] Workqueue: netns cleanup_net [ 129.166429][ T12] Call Trace: [ 129.166430][ T12] [ 129.166432][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 129.166438][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 129.166442][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.166446][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166448][ 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)) [ 129.166451][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.166454][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.166458][ 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) [ 129.166460][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.166462][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 129.166464][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 129.166465][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 129.166468][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 129.166470][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 129.166475][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 129.166476][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.166478][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.166480][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 129.166483][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 129.166485][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166486][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166487][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166488][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.166490][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 129.166492][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 129.166494][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 129.166497][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 129.166498][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.166500][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 129.166501][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166502][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.166504][ 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) [ 129.166505][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 129.166507][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 129.166509][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 129.166510][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 129.166512][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 129.166513][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166514][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.166517][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 129.166519][ T12] _printk (kernel/printk/printk.c:2504) [ 129.166522][ T12] ? snapshot_read.cold (user.c:?) [ 129.166524][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 129.166527][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 129.166531][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 129.166533][ T12] br_device_event (net/bridge/br.c:111) [ 129.166535][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 129.166537][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 129.166539][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 129.166541][ T12] notifier_call_chain (kernel/notifier.c:85) [ 129.166545][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 129.166547][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 129.166549][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.166551][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 129.166552][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 129.166554][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 129.166556][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.166558][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.166560][ T12] ? kthread (kernel/kthread.c:436) [ 129.166562][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 129.166565][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 129.166567][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 129.166568][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166569][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.166571][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 129.166573][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 129.166574][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.166576][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 129.166577][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.166579][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 129.166582][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.166584][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 129.166585][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 129.166588][ T12] cleanup_net (net/core/net_namespace.c:706) [ 129.166590][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 129.166592][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.166593][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.166595][ T12] process_one_work (kernel/workqueue.c:3387) [ 129.166598][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 129.166600][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.166602][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.166605][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 129.166607][ T12] kthread (kernel/kthread.c:436) [ 129.166609][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.166610][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.166612][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 129.166613][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 129.166615][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 129.166618][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.166620][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 131.209674][ T2842] softirqs last disabled at (0): 0x0 | [ 131.209675][ T2842] Preemption disabled at: | [ 131.209676][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 131.209686][ T2842] Tainted: [W]=WARN [ 131.209687][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 131.209689][ T2842] Call Trace: [ 131.209690][ T2842] [ 131.209691][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 131.209697][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 131.209698][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 131.209702][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 131.209705][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 131.209708][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209711][ T2842] __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)) [ 131.209713][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.209716][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.209721][ T2842] ? 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) [ 131.209723][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.209725][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 131.209726][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 131.209728][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 131.209731][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 131.209735][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 131.209737][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209738][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209741][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 131.209744][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 131.209746][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209747][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209747][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209748][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209750][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 131.209752][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 131.209754][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 131.209757][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 131.209759][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209760][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 131.209762][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209763][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.209764][ T2842] ? 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) [ 131.209766][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 131.209767][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 131.209769][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 131.209770][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 131.209772][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 131.209773][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.209775][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.209778][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209779][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209780][ T2842] _printk (kernel/printk/printk.c:2504) [ 131.209783][ T2842] ? snapshot_read.cold (user.c:?) [ 131.209785][ T2842] ? br_multicast_flood (??:?) [ 131.209788][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.209791][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.209792][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.209794][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 131.209797][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 131.209798][ T2842] new_nbp (net/bridge/br_if.c:449) [ 131.209800][ T2842] br_add_if (net/bridge/br_if.c:592) [ 131.209802][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 131.209805][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.209809][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 131.209810][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 131.209812][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.209814][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 131.209816][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 131.209817][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209818][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.209821][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 131.209823][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 131.209824][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 131.209825][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 131.209826][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 131.209827][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 131.209828][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.209829][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.209832][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.209834][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.209835][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.209838][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 131.209839][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 131.209840][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 131.209842][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.209846][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.209848][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209849][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209851][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209851][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209852][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 131.209854][ T2842] ? __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) [ 131.209856][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 131.209857][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 131.209858][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 131.209859][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 131.209863][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209864][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 131.209866][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.209868][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209869][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.209870][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209871][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209873][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 131.209875][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 131.209876][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.209878][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209879][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 131.209882][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 131.209885][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209886][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209887][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209889][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.209890][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.209891][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.209893][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.209894][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.209896][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.209898][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.209899][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.209901][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 131.209902][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 131.209905][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209906][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.209908][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.209910][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 131.209912][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.209914][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.209916][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 131.209917][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.209919][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.209920][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 131.209924][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.209925][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 131.209927][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 131.209928][ T2842] ? sock_write_iter (net/socket.c:1269) [ 131.209930][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 131.209931][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.209934][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 131.209935][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 131.209940][ T2842] __sys_sendmsg (net/socket.c:2799) [ 131.209942][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 131.209945][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.209946][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.209948][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 131.209950][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.209951][ T2842] RIP: 0033:0x7f9664a7854e [ 131.209953][ T2842] 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 [ 131.209955][ T2842] RSP: 002b:00007ffde85a8d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 131.209958][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9664a7854e [ 131.209960][ T2842] RDX: 0000000000000000 RSI: 00007ffde85a8dd0 RDI: 0000000000000005 [ 131.209960][ T2842] RBP: 00007ffde85a8d30 R08: 0000000000000000 R09: 0000000000000000 [ 131.209961][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91be82 [ 131.209962][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde85a94a0 | [ 138.451788][ T12] softirqs last disabled at (445780): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 138.451790][ T12] Preemption disabled at: | [ 138.451791][ T12] 0x0 | [ 138.451801][ T12] Tainted: [W]=WARN [ 138.451802][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 138.451803][ T12] Workqueue: netns cleanup_net [ 138.451808][ T12] Call Trace: [ 138.451810][ T12] [ 138.451812][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 138.451818][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 138.451821][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.451825][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.451828][ 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)) [ 138.451831][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.451833][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.451838][ 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) [ 138.451840][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.451842][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 138.451844][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 138.451845][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 138.451847][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 138.451850][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 138.451854][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 138.451856][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.451858][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.451860][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 138.451862][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 138.451864][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.451866][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.451867][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 138.451869][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 138.451871][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 138.451874][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 138.451876][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.451877][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 138.451879][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.451880][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.451881][ 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) [ 138.451882][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 138.451884][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 138.451886][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 138.451887][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 138.451889][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 138.451890][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.451891][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.451894][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 138.451896][ T12] _printk (kernel/printk/printk.c:2504) [ 138.451898][ T12] ? snapshot_read.cold (user.c:?) [ 138.451900][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 138.451903][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 138.451907][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 138.451908][ T12] br_device_event (net/bridge/br.c:111) [ 138.451910][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 138.451912][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 138.451914][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 138.451917][ T12] notifier_call_chain (kernel/notifier.c:85) [ 138.451920][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 138.451922][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 138.451924][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.451926][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 138.451928][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 138.451930][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 138.451932][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 138.451933][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 138.451936][ T12] ? kthread (kernel/kthread.c:436) [ 138.451938][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 138.451940][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 138.451943][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 138.451944][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.451945][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.451947][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 138.451948][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 138.451950][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.451951][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 138.451953][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.451954][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 138.451957][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 138.451959][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 138.451961][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 138.451964][ T12] cleanup_net (net/core/net_namespace.c:706) [ 138.451965][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 138.451967][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.451969][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.451970][ T12] process_one_work (kernel/workqueue.c:3387) [ 138.451973][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 138.451975][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.451977][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 138.451980][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 138.451982][ T12] kthread (kernel/kthread.c:436) [ 138.451983][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.451985][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 138.451986][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 138.451988][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 138.451990][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 138.451993][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars