====================================== | [ 10.719851][ T241] softirqs last disabled at (35244): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.719853][ T241] Preemption disabled at: | [ 10.719854][ T241] 0x0 | [ 10.719865][ T241] Tainted: [W]=WARN [ 10.719866][ T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.719868][ T241] Call Trace: [ 10.719869][ T241] [ 10.719871][ T241] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.719878][ T241] __might_resched.cold (kernel/sched/core.c:9234) [ 10.719882][ T241] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.719887][ T241] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.719891][ T241] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.719893][ T241] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.719899][ T241] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.719902][ T241] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.719906][ T241] put_chars (drivers/char/virtio_console.c:1176) [ 10.719908][ T241] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.719909][ T241] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.719913][ T241] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.719918][ T241] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.719925][ T241] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.719928][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.719930][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.719934][ T241] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.719938][ T241] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.719939][ T241] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.719942][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.719944][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.719948][ T241] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.719952][ T241] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.719954][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.719959][ T241] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.719962][ T241] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.719963][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.719965][ T241] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.719969][ T241] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.719970][ T241] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.719973][ T241] vprintk_emit (kernel/printk/printk.c:2479) [ 10.719976][ T241] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.719979][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.719983][ T241] _printk (kernel/printk/printk.c:2504) [ 10.719986][ T241] ? snapshot_read.cold (user.c:?) [ 10.719989][ T241] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.719991][ T241] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.719995][ T241] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.719998][ T241] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.720001][ T241] ? exit_notify (kernel/exit.c:780) [ 10.720003][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.720005][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.720009][ T241] do_group_exit (kernel/exit.c:1151) [ 10.720012][ T241] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.720013][ T241] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.720016][ T241] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.720020][ T241] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.720022][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.720025][ T241] RIP: 0033:0x7f45d4a6b1b8 [ 10.720027][ T241] Code: Unable to access opcode bytes at 0x7f45d4a6b18e. Code starting with the faulting instruction =========================================== [ 10.720028][ T241] RSP: 002b:00007fff742dc1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.720030][ T241] RAX: ffffffffffffffda RBX: 00007f45d4b9bf88 RCX: 00007f45d4a6b1b8 [ 10.720031][ T241] RDX: 00007f45d47b5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.720032][ T241] RBP: 00007fff742dc200 R08: 0000000000000000 R09: 0000000000000000 [ 10.720033][ T241] R10: 00007fff742dbfc0 R11: 0000000000000246 R12: 0000000000000001 [ 10.720034][ T241] R13: 0000000000000000 R14: 00007f45d4b9a680 R15: 00007f45d4b9bfa0 | [ 11.728281][ T274] softirqs last disabled at (24054): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 11.728283][ T274] Preemption disabled at: | [ 11.728284][ T274] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.728292][ T274] Tainted: [W]=WARN [ 11.728293][ T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.728295][ T274] Call Trace: [ 11.728297][ T274] [ 11.728298][ T274] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.728304][ T274] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.728305][ T274] __might_resched.cold (kernel/sched/core.c:9234) [ 11.728310][ T274] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.728314][ T274] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.728318][ T274] __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)) [ 11.728320][ T274] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.728327][ T274] ? 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) [ 11.728330][ T274] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.728333][ T274] put_chars (drivers/char/virtio_console.c:1176) [ 11.728335][ T274] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.728339][ T274] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.728343][ T274] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.728347][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.728352][ T274] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.728355][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.728360][ T274] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.728364][ T274] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.728366][ T274] ? 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)) [ 11.728369][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.728370][ T274] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.728374][ T274] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.728378][ T274] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.728380][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.728385][ T274] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.728388][ T274] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.728390][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.728392][ T274] ? 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) [ 11.728395][ T274] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.728397][ T274] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.728400][ T274] vprintk_emit (kernel/printk/printk.c:2479) [ 11.728403][ T274] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.728404][ T274] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.728406][ T274] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.728410][ T274] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.728414][ T274] _printk (kernel/printk/printk.c:2504) [ 11.728417][ T274] ? snapshot_read.cold (user.c:?) [ 11.728420][ T274] ? br_multicast_flood (??:?) [ 11.728423][ T274] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.728424][ T274] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.728426][ T274] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.728430][ T274] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.728434][ T274] br_init_port (net/bridge/br_stp_if.c:39) [ 11.728437][ T274] new_nbp (net/bridge/br_if.c:449) [ 11.728440][ T274] br_add_if (net/bridge/br_if.c:592) [ 11.728442][ T274] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 11.728450][ T274] do_set_master (net/core/rtnetlink.c:3071) [ 11.728453][ T274] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.728457][ T274] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 11.728458][ T274] ? __dev_get_by_name (net/core/dev.c:905) [ 11.728461][ T274] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 11.728470][ T274] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.728476][ T274] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.728481][ T274] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.728483][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.728490][ T274] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.728494][ T274] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.728496][ T274] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.728499][ T274] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.728500][ T274] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.728505][ T274] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.728506][ T274] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.728510][ T274] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.728513][ T274] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.728516][ T274] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.728522][ T274] ? 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)) [ 11.728524][ T274] ? 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)) [ 11.728529][ T274] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.728532][ T274] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.728538][ T274] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.728542][ T274] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.728546][ T274] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.728547][ T274] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.728553][ T274] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.728557][ T274] ____sys_sendmsg (net/socket.c:2713) [ 11.728559][ T274] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.728561][ T274] ? sock_write_iter (net/socket.c:1269) [ 11.728563][ T274] ? move_addr_to_kernel (net/socket.c:258) [ 11.728567][ T274] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 11.728569][ T274] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.728573][ T274] ___sys_sendmsg (net/socket.c:2767) [ 11.728575][ T274] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 11.728577][ T274] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.728580][ T274] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 11.728594][ T274] __sys_sendmsg (net/socket.c:2799) [ 11.728597][ T274] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.728602][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.728604][ T274] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.728607][ T274] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.728612][ T274] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.728615][ T274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.728617][ T274] RIP: 0033:0x7f600163a54e [ 11.728621][ T274] 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 [ 11.728623][ T274] RSP: 002b:00007ffccb06b320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.728625][ T274] RAX: ffffffffffffffda RBX: 00007ffccb06bae8 RCX: 00007f600163a54e [ 11.728627][ T274] RDX: 0000000000000000 RSI: 00007ffccb06b3d0 RDI: 0000000000000005 [ 11.728628][ T274] RBP: 00007ffccb06b330 R08: 0000000000000000 R09: 0000000000000000 [ 11.728629][ T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a0e [ 11.728629][ T274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccb06baa0 | [ 17.790730][ T311] softirqs last disabled at (25455): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.790732][ T311] Preemption disabled at: | [ 17.790733][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.790741][ T311] Tainted: [W]=WARN [ 17.790743][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.790744][ T311] Call Trace: [ 17.790746][ T311] [ 17.790747][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.790753][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.790755][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 17.790760][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.790764][ 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) [ 17.790768][ 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)) [ 17.790770][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.790777][ 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) [ 17.790779][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.790783][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 17.790785][ T311] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.790787][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.790790][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.790793][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.790798][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.790802][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.790804][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.790808][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.790810][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.790813][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.790815][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.790819][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.790824][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.790826][ 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)) [ 17.790829][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.790830][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.790835][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.790839][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.790841][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.790850][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.790853][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.790854][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.790856][ 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) [ 17.790860][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.790862][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.790864][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 17.790867][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.790872][ T311] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 17.790875][ T311] _printk (kernel/printk/printk.c:2504) [ 17.790879][ T311] ? snapshot_read.cold (user.c:?) [ 17.790884][ 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) [ 17.790888][ T311] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.790890][ T311] do_one_initcall (init/main.c:1357) [ 17.790893][ T311] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.790897][ T311] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.790900][ T311] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.790905][ T311] do_init_module (kernel/module/main.c:3117) [ 17.790908][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.790912][ T311] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.790915][ T311] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.790918][ T311] load_module (kernel/module/main.c:3593) [ 17.790923][ T311] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.790928][ T311] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.790931][ T311] ? __ia32_sys_fsconfig (??:?) [ 17.790935][ T311] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.790939][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.790942][ T311] init_module_from_file (kernel/module/main.c:3790) [ 17.790945][ T311] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.790952][ T311] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.790956][ 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) [ 17.790959][ T311] idempotent_init_module (kernel/module/main.c:3802) [ 17.790961][ T311] ? init_module_from_file (kernel/module/main.c:3791) [ 17.790967][ T311] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.790969][ T311] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 17.790974][ T311] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.790976][ T311] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.790980][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.790983][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.790985][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.790987][ T311] RIP: 0033:0x7f90f6fee37d [ 17.790990][ 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 [ 17.790992][ T311] RSP: 002b:00007ffc5cadd388 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.790994][ T311] RAX: ffffffffffffffda RBX: 0000561578eaf810 RCX: 00007f90f6fee37d [ 17.790996][ T311] RDX: 0000000000000000 RSI: 0000561555aa6ffd RDI: 0000000000000000 [ 17.790996][ T311] RBP: 00007ffc5cadd420 R08: 0000000000000000 R09: 0000000000000000 [ 17.790997][ T311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561555aa6ffd [ 17.790998][ T311] R13: 0000561578eaf960 R14: 0000000000040000 R15: 0000000000000000 | [ 23.753685][ T12] softirqs last disabled at (41232): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 23.753688][ T12] Preemption disabled at: | [ 23.753688][ T12] 0x0 | [ 23.753699][ T12] Tainted: [W]=WARN [ 23.753700][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.753702][ T12] Workqueue: netns cleanup_net [ 23.753705][ T12] Call Trace: [ 23.753707][ T12] [ 23.753708][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.753715][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 23.753719][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.753723][ 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) [ 23.753728][ 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)) [ 23.753730][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.753737][ 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) [ 23.753739][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.753743][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 23.753746][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.753752][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.753760][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.753764][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.753768][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.753772][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.753774][ 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)) [ 23.753778][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.753780][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.753785][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.753789][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.753791][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.753796][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.753799][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.753801][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.753803][ 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) [ 23.753807][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.753809][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.753811][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 23.753815][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.753816][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.753822][ T12] _printk (kernel/printk/printk.c:2504) [ 23.753825][ T12] ? snapshot_read.cold (user.c:?) [ 23.753833][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.753838][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 23.753842][ T12] br_device_event (net/bridge/br.c:111) [ 23.753844][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 23.753848][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.753854][ T12] notifier_call_chain (kernel/notifier.c:85) [ 23.753863][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 23.753867][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 23.753870][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 23.753873][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 23.753878][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 23.753880][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.753882][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.753884][ T12] ? kthread (kernel/kthread.c:436) [ 23.753886][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 23.753889][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 23.753892][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 23.753895][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.753901][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 23.753904][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 23.753907][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.753910][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 23.753914][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.753918][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.753921][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 23.753922][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.753925][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 23.753930][ T12] cleanup_net (net/core/net_namespace.c:706) [ 23.753933][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 23.753937][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.753939][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.753943][ T12] process_one_work (kernel/workqueue.c:3387) [ 23.753949][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.753953][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.753960][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.753968][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.753970][ T12] kthread (kernel/kthread.c:436) [ 23.753972][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.753975][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.753978][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.753981][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.753984][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.753987][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.753990][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.711198][ T558] softirqs last disabled at (19340): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 26.711200][ T558] Preemption disabled at: | [ 26.711200][ T558] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.711209][ T558] Tainted: [W]=WARN [ 26.711210][ T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.711211][ T558] Call Trace: [ 26.711213][ T558] [ 26.711214][ T558] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.711220][ T558] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.711222][ T558] __might_resched.cold (kernel/sched/core.c:9234) [ 26.711226][ T558] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.711230][ T558] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.711234][ T558] __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)) [ 26.711236][ T558] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.711243][ T558] ? 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) [ 26.711245][ T558] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.711249][ T558] put_chars (drivers/char/virtio_console.c:1176) [ 26.711251][ T558] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.711253][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.711256][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.711261][ T558] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.711269][ T558] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.711271][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711273][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.711277][ T558] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.711281][ T558] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.711283][ T558] ? 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)) [ 26.711286][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711288][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.711292][ T558] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.711296][ T558] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.711297][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.711303][ T558] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.711305][ T558] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.711307][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711309][ T558] ? 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) [ 26.711312][ T558] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.711314][ T558] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.711317][ T558] vprintk_emit (kernel/printk/printk.c:2479) [ 26.711320][ T558] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.711321][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.711324][ T558] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.711328][ T558] _printk (kernel/printk/printk.c:2504) [ 26.711331][ T558] ? snapshot_read.cold (user.c:?) [ 26.711335][ T558] ? br_multicast_flood (??:?) [ 26.711337][ T558] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.711339][ T558] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.711340][ T558] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.711344][ T558] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.711348][ T558] br_init_port (net/bridge/br_stp_if.c:39) [ 26.711351][ T558] new_nbp (net/bridge/br_if.c:449) [ 26.711354][ T558] br_add_if (net/bridge/br_if.c:592) [ 26.711357][ T558] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 26.711361][ T558] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.711366][ T558] do_set_master (net/core/rtnetlink.c:3071) [ 26.711367][ T558] ? netif_change_flags (net/core/dev.c:9882) [ 26.711371][ T558] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.711374][ T558] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.711378][ T558] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.711379][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.711381][ T558] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.711385][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.711386][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.711388][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.711391][ T558] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.711393][ T558] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.711394][ T558] ? kasan_save_track (mm/kasan/common.c:78) [ 26.711395][ T558] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.711398][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.711400][ T558] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.711403][ T558] ? ___sys_sendmsg (net/socket.c:2758) [ 26.711406][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.711408][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.711411][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711413][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.711414][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711415][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711417][ T558] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.711421][ T558] ? __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) [ 26.711424][ T558] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.711426][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.711429][ T558] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.711430][ T558] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.711435][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711437][ T558] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.711442][ T558] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.711448][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.711449][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.711454][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.711456][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.711458][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.711460][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.711463][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.711465][ T558] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.711468][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.711470][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.711474][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.711476][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.711479][ T558] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.711482][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.711485][ T558] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.711491][ T558] ? 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)) [ 26.711493][ T558] ? 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)) [ 26.711498][ T558] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.711502][ T558] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.711504][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.711508][ T558] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.711512][ T558] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.711516][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.711517][ T558] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.711523][ T558] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.711526][ T558] ____sys_sendmsg (net/socket.c:2713) [ 26.711528][ T558] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.711530][ T558] ? sock_write_iter (net/socket.c:1269) [ 26.711532][ T558] ? move_addr_to_kernel (net/socket.c:258) [ 26.711539][ T558] ___sys_sendmsg (net/socket.c:2767) [ 26.711541][ T558] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.711557][ T558] __sys_sendmsg (net/socket.c:2799) [ 26.711559][ T558] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.711565][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.711568][ T558] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.711571][ T558] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.711574][ T558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.711576][ T558] RIP: 0033:0x7fc380ff254e [ 26.711580][ T558] 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 [ 26.711581][ T558] RSP: 002b:00007ffe5585d850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.711584][ T558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc380ff254e [ 26.711585][ T558] RDX: 0000000000000000 RSI: 00007ffe5585d900 RDI: 0000000000000005 [ 26.711586][ T558] RBP: 00007ffe5585d860 R08: 0000000000000000 R09: 0000000000000000 [ 26.711587][ T558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a1d [ 26.711588][ T558] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5585dfd0 | [ 34.174147][ T12] softirqs last disabled at (274734): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 34.174149][ T12] Preemption disabled at: | [ 34.174150][ T12] 0x0 | [ 34.174161][ T12] Tainted: [W]=WARN [ 34.174162][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.174164][ T12] Workqueue: netns cleanup_net [ 34.174167][ T12] Call Trace: [ 34.174169][ T12] [ 34.174171][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.174177][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 34.174182][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.174186][ 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) [ 34.174190][ 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)) [ 34.174192][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.174199][ 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) [ 34.174202][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.174206][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 34.174208][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.174215][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.174223][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.174226][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.174231][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.174235][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.174237][ 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)) [ 34.174240][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.174243][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.174247][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.174252][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.174253][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.174259][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.174262][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.174264][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.174266][ 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) [ 34.174270][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.174272][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.174274][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 34.174278][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.174279][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.174282][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.174284][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.174288][ T12] _printk (kernel/printk/printk.c:2504) [ 34.174292][ T12] ? snapshot_read.cold (user.c:?) [ 34.174300][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.174305][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 34.174308][ T12] br_device_event (net/bridge/br.c:111) [ 34.174310][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 34.174314][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.174320][ T12] notifier_call_chain (kernel/notifier.c:85) [ 34.174326][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 34.174329][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 34.174333][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 34.174336][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 34.174340][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 34.174342][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 34.174345][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.174346][ T12] ? kthread (kernel/kthread.c:436) [ 34.174348][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 34.174351][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 34.174354][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 34.174357][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.174363][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 34.174367][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 34.174369][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.174372][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 34.174376][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 34.174380][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 34.174383][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 34.174384][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.174388][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 34.174393][ T12] cleanup_net (net/core/net_namespace.c:706) [ 34.174396][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 34.174400][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.174401][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.174405][ T12] process_one_work (kernel/workqueue.c:3387) [ 34.174412][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.174415][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.174423][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.174430][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.174432][ T12] kthread (kernel/kthread.c:436) [ 34.174434][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.174437][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.174440][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.174443][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.174447][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.174450][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.174453][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.213985][ T757] softirqs last disabled at (15028): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 37.213987][ T757] Preemption disabled at: | [ 37.213988][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.213997][ T757] Tainted: [W]=WARN [ 37.213998][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.214000][ T757] Call Trace: [ 37.214002][ T757] [ 37.214003][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.214009][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.214011][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 37.214015][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.214019][ T757] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.214024][ T757] __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)) [ 37.214025][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.214032][ T757] ? 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) [ 37.214035][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.214038][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 37.214041][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.214042][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.214045][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.214051][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.214058][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.214061][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214063][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.214067][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.214071][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.214073][ T757] ? 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)) [ 37.214076][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214077][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.214081][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.214086][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.214088][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.214093][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.214096][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.214098][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214099][ T757] ? 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) [ 37.214103][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.214105][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.214107][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 37.214110][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.214112][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.214115][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.214118][ T757] _printk (kernel/printk/printk.c:2504) [ 37.214122][ T757] ? snapshot_read.cold (user.c:?) [ 37.214125][ T757] ? br_multicast_flood (??:?) [ 37.214128][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 37.214129][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.214131][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.214135][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.214139][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 37.214142][ T757] new_nbp (net/bridge/br_if.c:449) [ 37.214145][ T757] br_add_if (net/bridge/br_if.c:592) [ 37.214148][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 37.214152][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.214157][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 37.214158][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 37.214162][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 37.214165][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.214169][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.214170][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.214173][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.214176][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.214178][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.214180][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.214182][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.214184][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.214186][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 37.214187][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 37.214189][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.214191][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 37.214194][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 37.214198][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.214200][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.214202][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214204][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.214206][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214207][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214208][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.214211][ T757] ? __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) [ 37.214213][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.214215][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.214218][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.214219][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 37.214224][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214226][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.214232][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.214237][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.214239][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.214243][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.214245][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.214247][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.214249][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.214253][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.214255][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.214258][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.214259][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.214264][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.214266][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.214269][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.214272][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.214275][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.214281][ T757] ? 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)) [ 37.214284][ T757] ? 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)) [ 37.214288][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.214292][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.214295][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.214299][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.214303][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.214307][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.214308][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 37.214314][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 37.214316][ T757] ____sys_sendmsg (net/socket.c:2713) [ 37.214319][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.214321][ T757] ? sock_write_iter (net/socket.c:1269) [ 37.214322][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 37.214330][ T757] ___sys_sendmsg (net/socket.c:2767) [ 37.214333][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.214349][ T757] __sys_sendmsg (net/socket.c:2799) [ 37.214351][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.214358][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.214361][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.214363][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.214366][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.214368][ T757] RIP: 0033:0x7fb2a58ea54e [ 37.214372][ T757] 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 [ 37.214374][ T757] RSP: 002b:00007ffff181e540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.214377][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb2a58ea54e [ 37.214378][ T757] RDX: 0000000000000000 RSI: 00007ffff181e5f0 RDI: 0000000000000005 [ 37.214379][ T757] RBP: 00007ffff181e550 R08: 0000000000000000 R09: 0000000000000000 [ 37.214380][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a27 [ 37.214380][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff181ecc0 | [ 52.658696][ C0] softirqs last disabled at (1863977): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.658697][ C0] Preemption disabled at: | [ 52.658698][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 52.658708][ C0] Tainted: [W]=WARN [ 52.658709][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.658711][ C0] Call Trace: [ 52.658713][ C0] [ 52.658714][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.658720][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 52.658722][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 52.658725][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.658728][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 52.658732][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658734][ C0] __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)) [ 52.658737][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.658740][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.658744][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 52.658746][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.658748][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 52.658750][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.658751][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 52.658754][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.658758][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.658760][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658762][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.658764][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.658766][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.658768][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658769][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658770][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.658772][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.658774][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.658776][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.658779][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.658781][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.658782][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.658784][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658785][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.658786][ C0] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.658788][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.658790][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.658792][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 52.658793][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.658794][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658795][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.658797][ C0] ? x86_64_start_kernel (./arch/x86/include/asm/page_64.h:103 ./arch/x86/include/asm/page_64.h:114 arch/x86/kernel/head64.c:255) [ 52.658801][ C0] _printk (kernel/printk/printk.c:2504) [ 52.658804][ C0] ? snapshot_read.cold (user.c:?) [ 52.658805][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 52.658809][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.658810][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 52.658812][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 52.658814][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.658817][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 52.658819][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 52.658821][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.658823][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.658825][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.658828][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658829][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.658831][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.658832][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.658834][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.658835][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.658836][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.658838][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 52.658841][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 52.658843][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.658846][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.658848][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.658849][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658851][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.658853][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.658855][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.658856][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.658859][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.658861][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.658863][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.658865][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.658868][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658869][ C0] handle_softirqs (kernel/softirq.c:645) [ 52.658871][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.658872][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.658874][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.658876][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 52.658877][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.658879][ C0] [ 52.658880][ C0] [ 52.658881][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 52.658882][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.658884][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.658887][ C0] 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 [ 52.658889][ C0] RSP: 0018:ffffffff9c007cf8 EFLAGS: 00000296 [ 52.658892][ C0] RAX: 00000000001c7127 RBX: ffffffff9c030600 RCX: ffffffff98706247 [ 52.658893][ C0] RDX: ffffffff9c030600 RSI: ffffffff9b911027 RDI: ffffffff9b2949e0 [ 52.658894][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.658895][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3800fa2 [ 52.658895][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 52.658897][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.658900][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.658902][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.658903][ C0] default_idle_call (kernel/sched/idle.c:122) [ 52.658905][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.658906][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 52.658908][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.658910][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.658912][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.658913][ C0] do_idle (kernel/sched/idle.c:355) [ 52.658914][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.658916][ C0] rest_init (init/main.c:727) [ 52.658918][ C0] ? __cpuidle_text_end (??:?) [ 52.658920][ C0] ? rest_init (init/main.c:727) [ 52.658922][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 52.658930][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 52.658932][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 52.658934][ C0] start_kernel (init/main.c:1185) [ 52.658937][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 52.658938][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 52.658940][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 52.723606][ C0] | [ 52.723676][ C0] | [ 52.723676][ C0] stack backtrace: | [ 52.723901][ C0] Tainted: [W]=WARN [ 52.723902][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.723903][ C0] Call Trace: [ 52.723904][ C0] [ 52.723905][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.723909][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 52.723911][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.723914][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 52.723916][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 52.723917][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.723920][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.723921][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.723927][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.723929][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.723930][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.723932][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.723933][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.723934][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.723936][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.723937][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 52.723939][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 52.723941][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.723943][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.723945][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.723947][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.723948][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.723950][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.723952][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.723953][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.723956][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.723959][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.723960][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.723962][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.723964][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.723966][ C0] handle_softirqs (kernel/softirq.c:645) [ 52.723967][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.723969][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.723971][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.723973][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 52.723974][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.723975][ C0] [ 52.723976][ C0] [ 52.723976][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 52.723978][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.723979][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.723981][ C0] 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 [ 52.723982][ C0] RSP: 0018:ffffffff9c007cf8 EFLAGS: 00000296 [ 52.723984][ C0] RAX: 00000000001c7127 RBX: ffffffff9c030600 RCX: ffffffff98706247 [ 52.723985][ C0] RDX: ffffffff9c030600 RSI: ffffffff9b911027 RDI: ffffffff9b2949e0 [ 52.723985][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.723986][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3800fa2 [ 52.723987][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 52.723988][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.723990][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.723992][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.723993][ C0] default_idle_call (kernel/sched/idle.c:122) [ 52.723995][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.723996][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 52.723998][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.723999][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.724001][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.724002][ C0] do_idle (kernel/sched/idle.c:355) [ 52.724004][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.724005][ C0] rest_init (init/main.c:727) [ 52.724007][ C0] ? __cpuidle_text_end (??:?) [ 52.724009][ C0] ? rest_init (init/main.c:727) [ 52.724011][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 52.724013][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 52.724014][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 52.724016][ C0] start_kernel (init/main.c:1185) [ 52.724018][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 52.724020][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 52.724021][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 56.996299][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 56.996301][ T12] Preemption disabled at: | [ 56.996301][ T12] 0x0 | [ 56.996311][ T12] Tainted: [W]=WARN [ 56.996312][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.996313][ T12] Workqueue: netns cleanup_net [ 56.996319][ T12] Call Trace: [ 56.996320][ T12] [ 56.996322][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.996328][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 56.996332][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.996336][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996339][ 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)) [ 56.996341][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.996344][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.996349][ 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) [ 56.996351][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.996353][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 56.996354][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.996355][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 56.996358][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.996361][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.996365][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.996367][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.996368][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.996371][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.996374][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.996376][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996377][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996377][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996379][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.996380][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.996382][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.996384][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.996387][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.996389][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.996390][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.996392][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996393][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.996394][ 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) [ 56.996396][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.996397][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.996399][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.996400][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 56.996402][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.996403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996404][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.996407][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 56.996409][ T12] _printk (kernel/printk/printk.c:2504) [ 56.996412][ T12] ? snapshot_read.cold (user.c:?) [ 56.996414][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 56.996417][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.996420][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 56.996422][ T12] br_device_event (net/bridge/br.c:111) [ 56.996425][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 56.996426][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 56.996428][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 56.996431][ T12] notifier_call_chain (kernel/notifier.c:85) [ 56.996434][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 56.996437][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 56.996439][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.996440][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 56.996442][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 56.996444][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 56.996446][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.996447][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.996450][ T12] ? kthread (kernel/kthread.c:436) [ 56.996452][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 56.996455][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 56.996457][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 56.996458][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996459][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.996461][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 56.996463][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 56.996464][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.996465][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 56.996467][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.996469][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 56.996471][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.996473][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 56.996475][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 56.996478][ T12] cleanup_net (net/core/net_namespace.c:706) [ 56.996480][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 56.996481][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 56.996484][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.996485][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.996487][ T12] process_one_work (kernel/workqueue.c:3387) [ 56.996490][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 56.996491][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.996493][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.996496][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.996498][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.996500][ T12] kthread (kernel/kthread.c:436) [ 56.996502][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.996503][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.996505][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 56.996506][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 56.996508][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 56.996511][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.996513][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 58.797337][ T1034] softirqs last disabled at (0): 0x0 | [ 58.797339][ T1034] Preemption disabled at: | [ 58.797340][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.797351][ T1034] Tainted: [W]=WARN [ 58.797352][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.797354][ T1034] Call Trace: [ 58.797356][ T1034] [ 58.797357][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.797362][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.797364][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 58.797368][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.797371][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 58.797374][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797377][ 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)) [ 58.797379][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.797382][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.797387][ 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) [ 58.797389][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.797391][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 58.797393][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.797394][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.797397][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.797401][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.797403][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797404][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797406][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.797409][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.797411][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797412][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797413][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797414][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797416][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.797417][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.797420][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.797422][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.797424][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797426][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.797427][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797428][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.797429][ 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) [ 58.797431][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.797432][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.797434][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.797436][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 58.797437][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.797438][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.797440][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.797443][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797444][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797446][ T1034] _printk (kernel/printk/printk.c:2504) [ 58.797449][ T1034] ? snapshot_read.cold (user.c:?) [ 58.797451][ T1034] ? br_multicast_flood (??:?) [ 58.797455][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.797457][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.797458][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.797460][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 58.797463][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 58.797464][ T1034] new_nbp (net/bridge/br_if.c:449) [ 58.797466][ T1034] br_add_if (net/bridge/br_if.c:592) [ 58.797468][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 58.797472][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.797475][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 58.797476][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 58.797478][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.797480][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 58.797481][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 58.797482][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797483][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.797486][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 58.797488][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 58.797489][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 58.797490][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 58.797491][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 58.797492][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 58.797493][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.797495][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.797497][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.797499][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.797500][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.797503][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 58.797504][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 58.797506][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 58.797508][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.797511][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.797513][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797514][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797515][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797516][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797517][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 58.797519][ 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) [ 58.797521][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 58.797522][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 58.797523][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 58.797524][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 58.797527][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797529][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 58.797531][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.797533][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797534][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.797535][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797536][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797538][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 58.797540][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 58.797541][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.797543][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797544][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 58.797547][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 58.797549][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797550][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797552][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797553][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.797554][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.797556][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.797557][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.797558][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.797561][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.797562][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.797564][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.797565][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 58.797567][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 58.797570][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797571][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.797573][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.797575][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 58.797576][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.797578][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.797580][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 58.797582][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.797583][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.797585][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 58.797588][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.797589][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 58.797591][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 58.797593][ T1034] ? sock_write_iter (net/socket.c:1269) [ 58.797594][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 58.797595][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.797598][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 58.797600][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 58.797604][ T1034] __sys_sendmsg (net/socket.c:2799) [ 58.797606][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 58.797609][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.797610][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.797612][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 58.797614][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.797615][ T1034] RIP: 0033:0x7fb5d916254e [ 58.797617][ 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 [ 58.797619][ T1034] RSP: 002b:00007ffd254fb870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 58.797622][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb5d916254e [ 58.797623][ T1034] RDX: 0000000000000000 RSI: 00007ffd254fb920 RDI: 0000000000000005 [ 58.797624][ T1034] RBP: 00007ffd254fb880 R08: 0000000000000000 R09: 0000000000000000 [ 58.797625][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a3d [ 58.797626][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd254fbff0 | [ 65.583573][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 65.583576][ T12] Preemption disabled at: | [ 65.583576][ T12] 0x0 | [ 65.583585][ T12] Tainted: [W]=WARN [ 65.583586][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.583588][ T12] Workqueue: netns cleanup_net [ 65.583593][ T12] Call Trace: [ 65.583595][ T12] [ 65.583597][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.583603][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 65.583606][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.583614][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583617][ 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)) [ 65.583620][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.583623][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.583627][ 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) [ 65.583629][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.583631][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 65.583633][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.583634][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.583637][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.583639][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.583644][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.583645][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.583647][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.583650][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.583652][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.583654][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583655][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583656][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583657][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.583659][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.583661][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.583663][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.583666][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.583667][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.583669][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.583670][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583671][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.583673][ 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) [ 65.583674][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.583676][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.583678][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.583679][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 65.583681][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.583682][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583683][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.583686][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 65.583688][ T12] _printk (kernel/printk/printk.c:2504) [ 65.583691][ T12] ? snapshot_read.cold (user.c:?) [ 65.583693][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 65.583696][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.583700][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 65.583702][ T12] br_device_event (net/bridge/br.c:111) [ 65.583704][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 65.583705][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 65.583707][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 65.583710][ T12] notifier_call_chain (kernel/notifier.c:85) [ 65.583713][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 65.583716][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 65.583718][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.583720][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 65.583721][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 65.583723][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 65.583725][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.583727][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.583730][ T12] ? kthread (kernel/kthread.c:436) [ 65.583731][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 65.583734][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 65.583736][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 65.583738][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583739][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.583741][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 65.583742][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 65.583743][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.583745][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 65.583746][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.583748][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 65.583751][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.583753][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 65.583754][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 65.583757][ T12] cleanup_net (net/core/net_namespace.c:706) [ 65.583759][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 65.583760][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 65.583763][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.583765][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.583766][ T12] process_one_work (kernel/workqueue.c:3387) [ 65.583769][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 65.583771][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.583773][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.583775][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.583778][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.583780][ T12] kthread (kernel/kthread.c:436) [ 65.583781][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.583783][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.583784][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 65.583786][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 65.583788][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 65.583790][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.583792][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 67.353672][ T1247] softirqs last disabled at (0): 0x0 | [ 67.353674][ T1247] Preemption disabled at: | [ 67.353674][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.353684][ T1247] Tainted: [W]=WARN [ 67.353685][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.353687][ T1247] Call Trace: [ 67.353688][ T1247] [ 67.353689][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.353695][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.353696][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 67.353700][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.353703][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 67.353706][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353709][ 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)) [ 67.353711][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.353714][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.353719][ 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) [ 67.353721][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.353723][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 67.353725][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.353726][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 67.353729][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.353733][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.353735][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353736][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353739][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.353741][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.353743][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353744][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353745][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353746][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353748][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 67.353750][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.353752][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.353754][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.353756][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353758][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.353759][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353760][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.353762][ 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) [ 67.353763][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 67.353765][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.353767][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.353768][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 67.353769][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.353771][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.353772][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.353775][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353776][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353778][ T1247] _printk (kernel/printk/printk.c:2504) [ 67.353781][ T1247] ? snapshot_read.cold (user.c:?) [ 67.353782][ T1247] ? br_multicast_flood (??:?) [ 67.353786][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 67.353788][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.353789][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.353791][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 67.353794][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 67.353796][ T1247] new_nbp (net/bridge/br_if.c:449) [ 67.353798][ T1247] br_add_if (net/bridge/br_if.c:592) [ 67.353800][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 67.353803][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.353806][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 67.353807][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 67.353809][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 67.353811][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 67.353812][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 67.353813][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353814][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.353818][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 67.353819][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 67.353820][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 67.353821][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 67.353822][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 67.353824][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 67.353825][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.353826][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.353828][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.353830][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.353831][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.353834][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 67.353835][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 67.353836][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 67.353838][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.353841][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.353843][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353845][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353846][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353847][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353848][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 67.353849][ 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) [ 67.353851][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 67.353852][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.353854][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 67.353855][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 67.353858][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353859][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 67.353861][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.353863][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353864][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.353865][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353867][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353868][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 67.353871][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 67.353872][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.353873][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353874][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 67.353877][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 67.353880][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353881][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353882][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353883][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.353884][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.353886][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.353887][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.353889][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.353891][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.353893][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.353894][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.353895][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.353897][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 67.353900][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353901][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.353903][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.353905][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.353907][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.353908][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.353910][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.353912][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.353913][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.353915][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.353918][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.353920][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 67.353921][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.353923][ T1247] ? sock_write_iter (net/socket.c:1269) [ 67.353924][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 67.353926][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.353928][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 67.353930][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.353935][ T1247] __sys_sendmsg (net/socket.c:2799) [ 67.353936][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.353939][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.353940][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.353942][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.353944][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.353945][ T1247] RIP: 0033:0x7f4edac2c54e [ 67.353947][ 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 [ 67.353949][ T1247] RSP: 002b:00007ffc5d059850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.353952][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4edac2c54e [ 67.353954][ T1247] RDX: 0000000000000000 RSI: 00007ffc5d059900 RDI: 0000000000000005 [ 67.353954][ T1247] RBP: 00007ffc5d059860 R08: 0000000000000000 R09: 0000000000000000 [ 67.353960][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a45 [ 67.353960][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5d059fd0 | [ 75.616572][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 75.616574][ T12] Preemption disabled at: | [ 75.616574][ T12] 0x0 | [ 75.616584][ T12] Tainted: [W]=WARN [ 75.616585][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.616587][ T12] Workqueue: netns cleanup_net [ 75.616592][ T12] Call Trace: [ 75.616594][ T12] [ 75.616595][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.616601][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 75.616605][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.616613][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616616][ 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)) [ 75.616619][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.616622][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.616626][ 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) [ 75.616628][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.616630][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 75.616632][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.616633][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 75.616635][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 75.616638][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.616642][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.616644][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.616646][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.616648][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.616651][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.616653][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616654][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616655][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616656][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.616658][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 75.616659][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.616662][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.616664][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.616666][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.616667][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.616669][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616670][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.616671][ 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) [ 75.616673][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 75.616674][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.616676][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.616678][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 75.616679][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.616680][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616682][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.616685][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 75.616686][ T12] _printk (kernel/printk/printk.c:2504) [ 75.616689][ T12] ? snapshot_read.cold (user.c:?) [ 75.616691][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 75.616694][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 75.616698][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 75.616699][ T12] br_device_event (net/bridge/br.c:111) [ 75.616702][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 75.616703][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 75.616705][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 75.616708][ T12] notifier_call_chain (kernel/notifier.c:85) [ 75.616711][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 75.616714][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 75.616716][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.616718][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 75.616719][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 75.616721][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 75.616723][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.616725][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.616727][ T12] ? kthread (kernel/kthread.c:436) [ 75.616729][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 75.616732][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 75.616734][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 75.616735][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616736][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.616738][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 75.616740][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 75.616741][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.616742][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 75.616744][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.616746][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 75.616748][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.616750][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 75.616752][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 75.616755][ T12] cleanup_net (net/core/net_namespace.c:706) [ 75.616757][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 75.616758][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616760][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.616761][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.616762][ T12] process_one_work (kernel/workqueue.c:3387) [ 75.616765][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 75.616767][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 75.616769][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.616771][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.616774][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.616776][ T12] kthread (kernel/kthread.c:436) [ 75.616777][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.616779][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.616781][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 75.616782][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 75.616784][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 75.616787][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.616789][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 77.564726][ T1516] softirqs last disabled at (0): 0x0 | [ 77.564728][ T1516] Preemption disabled at: | [ 77.564729][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.564741][ T1516] Tainted: [W]=WARN [ 77.564742][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.564744][ T1516] Call Trace: [ 77.564746][ T1516] [ 77.564748][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.564754][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.564756][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 77.564761][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.564765][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 77.564769][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564772][ 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)) [ 77.564775][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.564779][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.564785][ 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) [ 77.564787][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.564791][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 77.564793][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.564795][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.564799][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.564805][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.564808][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564809][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.564812][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.564816][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.564819][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564820][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564822][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564823][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.564826][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.564829][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.564832][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.564836][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.564838][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.564840][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.564842][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564844][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.564846][ 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) [ 77.564848][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 77.564850][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.564853][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.564855][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 77.564857][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.564859][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.564861][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.564864][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.564867][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564869][ T1516] _printk (kernel/printk/printk.c:2504) [ 77.564872][ T1516] ? snapshot_read.cold (user.c:?) [ 77.564875][ T1516] ? br_multicast_flood (??:?) [ 77.564879][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.564882][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.564884][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.564887][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 77.564890][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 77.564892][ T1516] new_nbp (net/bridge/br_if.c:449) [ 77.564896][ T1516] br_add_if (net/bridge/br_if.c:592) [ 77.564898][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 77.564902][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.564907][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 77.564909][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 77.564912][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.564914][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 77.564917][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 77.564918][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564920][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.564924][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 77.564927][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 77.564928][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 77.564930][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 77.564932][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 77.564933][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 77.564935][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.564936][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.564940][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.564942][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.564944][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.564947][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 77.564949][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 77.564950][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 77.564953][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.564956][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.564960][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564962][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.564964][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564965][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564967][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 77.564969][ 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) [ 77.564971][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 77.564973][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.564975][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 77.564977][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 77.564985][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564987][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 77.564990][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.564993][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.564995][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.564997][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.564999][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.565001][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 77.565004][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.565006][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.565008][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.565009][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 77.565013][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 77.565016][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.565018][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.565020][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.565021][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.565023][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.565026][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.565028][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.565030][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.565034][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.565036][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.565038][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.565040][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.565042][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 77.565046][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.565048][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.565051][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.565054][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.565056][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.565059][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.565062][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.565064][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.565067][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.565069][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.565073][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.565076][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 77.565078][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.565080][ T1516] ? sock_write_iter (net/socket.c:1269) [ 77.565082][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 77.565084][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.565088][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 77.565090][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.565098][ T1516] __sys_sendmsg (net/socket.c:2799) [ 77.565101][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.565105][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.565107][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.565109][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.565112][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.565114][ T1516] RIP: 0033:0x7f49e68fe54e [ 77.565117][ 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 [ 77.565119][ T1516] RSP: 002b:00007ffefd33de30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.565123][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f49e68fe54e [ 77.565125][ T1516] RDX: 0000000000000000 RSI: 00007ffefd33dee0 RDI: 0000000000000005 [ 77.565126][ T1516] RBP: 00007ffefd33de40 R08: 0000000000000000 R09: 0000000000000000 [ 77.565127][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a4f [ 77.565129][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefd33e5b0 | [ 85.838158][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 85.838160][ T12] Preemption disabled at: | [ 85.838160][ T12] 0x0 | [ 85.838169][ T12] Tainted: [W]=WARN [ 85.838170][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.838172][ T12] Workqueue: netns cleanup_net [ 85.838178][ T12] Call Trace: [ 85.838179][ T12] [ 85.838181][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.838187][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 85.838191][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.838195][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838198][ 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)) [ 85.838201][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.838204][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.838208][ 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) [ 85.838210][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.838212][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 85.838214][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.838215][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 85.838218][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 85.838220][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.838225][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.838226][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.838228][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.838230][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.838233][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.838235][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838236][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838237][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838238][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.838240][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 85.838242][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.838244][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.838246][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.838248][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.838250][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.838251][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838252][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 85.838254][ 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) [ 85.838255][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 85.838257][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.838258][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.838260][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 85.838261][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.838263][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838264][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.838267][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 85.838268][ T12] _printk (kernel/printk/printk.c:2504) [ 85.838272][ T12] ? snapshot_read.cold (user.c:?) [ 85.838274][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 85.838277][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 85.838281][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 85.838283][ T12] br_device_event (net/bridge/br.c:111) [ 85.838285][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 85.838287][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 85.838289][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 85.838292][ T12] notifier_call_chain (kernel/notifier.c:85) [ 85.838295][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 85.838297][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 85.838299][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.838301][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 85.838303][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 85.838305][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 85.838307][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.838308][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.838311][ T12] ? kthread (kernel/kthread.c:436) [ 85.838313][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 85.838316][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 85.838318][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 85.838319][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838320][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.838322][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 85.838324][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 85.838325][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.838327][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 85.838328][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.838330][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 85.838332][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.838334][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 85.838336][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 85.838339][ T12] cleanup_net (net/core/net_namespace.c:706) [ 85.838341][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 85.838343][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.838344][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.838346][ T12] process_one_work (kernel/workqueue.c:3387) [ 85.838349][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 85.838350][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 85.838352][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.838355][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.838358][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.838359][ T12] kthread (kernel/kthread.c:436) [ 85.838361][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.838362][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.838364][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 85.838366][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 85.838367][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 85.838370][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.838372][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 87.636393][ T1785] softirqs last disabled at (0): 0x0 | [ 87.636395][ T1785] Preemption disabled at: | [ 87.636395][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 87.636404][ T1785] Tainted: [W]=WARN [ 87.636406][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.636407][ T1785] Call Trace: [ 87.636409][ T1785] [ 87.636410][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.636415][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 87.636416][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 87.636420][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.636423][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 87.636427][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636429][ 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)) [ 87.636432][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.636435][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.636439][ 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) [ 87.636441][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.636444][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 87.636445][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.636447][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 87.636449][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.636454][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.636456][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636457][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636460][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.636462][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.636464][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636465][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636466][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636467][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636469][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 87.636470][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.636473][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.636475][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.636477][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636479][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.636480][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636481][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.636483][ 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) [ 87.636484][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 87.636485][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.636487][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.636489][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 87.636490][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.636492][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.636493][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.636496][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636497][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636499][ T1785] _printk (kernel/printk/printk.c:2504) [ 87.636502][ T1785] ? snapshot_read.cold (user.c:?) [ 87.636504][ T1785] ? br_multicast_flood (??:?) [ 87.636507][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 87.636510][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.636511][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.636513][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 87.636515][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 87.636517][ T1785] new_nbp (net/bridge/br_if.c:449) [ 87.636519][ T1785] br_add_if (net/bridge/br_if.c:592) [ 87.636521][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 87.636524][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.636527][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 87.636528][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 87.636530][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 87.636532][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 87.636533][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 87.636534][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636535][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.636539][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 87.636541][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 87.636541][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 87.636543][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 87.636544][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 87.636545][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 87.636546][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.636547][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.636550][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.636551][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.636553][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.636555][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 87.636556][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 87.636558][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 87.636560][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.636563][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.636565][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636566][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636568][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636569][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636570][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 87.636571][ 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) [ 87.636573][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 87.636574][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 87.636576][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 87.636577][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 87.636580][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636581][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 87.636583][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.636585][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636586][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.636587][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636589][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636590][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 87.636593][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 87.636594][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.636595][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636596][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 87.636599][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 87.636601][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636602][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636604][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636605][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.636606][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.636608][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.636611][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.636612][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.636615][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.636616][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.636618][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.636619][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 87.636621][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 87.636624][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636625][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.636627][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.636629][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 87.636631][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.636632][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.636635][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 87.636636][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.636638][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.636639][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 87.636642][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.636644][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 87.636646][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 87.636647][ T1785] ? sock_write_iter (net/socket.c:1269) [ 87.636649][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 87.636650][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.636653][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 87.636654][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 87.636659][ T1785] __sys_sendmsg (net/socket.c:2799) [ 87.636661][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 87.636664][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.636665][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.636667][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 87.636669][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.636670][ T1785] RIP: 0033:0x7fb5d868054e [ 87.636672][ 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 [ 87.636673][ T1785] RSP: 002b:00007ffec251b560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 87.636677][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb5d868054e [ 87.636678][ T1785] RDX: 0000000000000000 RSI: 00007ffec251b610 RDI: 0000000000000005 [ 87.636679][ T1785] RBP: 00007ffec251b570 R08: 0000000000000000 R09: 0000000000000000 [ 87.636680][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a5a [ 87.636681][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec251bce0 | [ 94.376835][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 94.376837][ T12] Preemption disabled at: | [ 94.376838][ T12] 0x0 | [ 94.376848][ T12] Tainted: [W]=WARN [ 94.376849][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.376850][ T12] Workqueue: netns cleanup_net [ 94.376856][ T12] Call Trace: [ 94.376857][ T12] [ 94.376858][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.376865][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 94.376868][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.376872][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376875][ 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)) [ 94.376878][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.376881][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.376885][ 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) [ 94.376887][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.376889][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 94.376891][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.376892][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 94.376895][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.376897][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.376902][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.376903][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.376905][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.376908][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.376910][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.376912][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376913][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376914][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376915][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.376917][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.376919][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.376921][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.376924][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.376925][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.376927][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.376928][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376929][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.376931][ 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) [ 94.376932][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.376934][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.376936][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.376937][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 94.376939][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.376940][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376941][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.376944][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 94.376946][ T12] _printk (kernel/printk/printk.c:2504) [ 94.376949][ T12] ? snapshot_read.cold (user.c:?) [ 94.376951][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 94.376953][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 94.376957][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 94.376959][ T12] br_device_event (net/bridge/br.c:111) [ 94.376961][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 94.376963][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 94.376965][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 94.376968][ T12] notifier_call_chain (kernel/notifier.c:85) [ 94.376970][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 94.376973][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 94.376975][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.376977][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 94.376978][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 94.376980][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 94.376982][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 94.376984][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 94.376986][ T12] ? kthread (kernel/kthread.c:436) [ 94.376988][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 94.376991][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 94.376993][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 94.376994][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.376996][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.376998][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 94.376999][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 94.377000][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.377002][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 94.377003][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.377005][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 94.377007][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 94.377009][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 94.377011][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 94.377014][ T12] cleanup_net (net/core/net_namespace.c:706) [ 94.377021][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 94.377023][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.377025][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.377026][ T12] process_one_work (kernel/workqueue.c:3387) [ 94.377029][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 94.377031][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 94.377033][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.377035][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 94.377038][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 94.377040][ T12] kthread (kernel/kthread.c:436) [ 94.377041][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.377043][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 94.377045][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 94.377046][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 94.377048][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 94.377051][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 94.377053][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 96.144800][ T1977] softirqs last disabled at (0): 0x0 | [ 96.144802][ T1977] Preemption disabled at: | [ 96.144802][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.144812][ T1977] Tainted: [W]=WARN [ 96.144813][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.144814][ T1977] Call Trace: [ 96.144816][ T1977] [ 96.144817][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.144823][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.144824][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 96.144828][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.144831][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 96.144835][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144837][ 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)) [ 96.144839][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.144842][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.144847][ 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) [ 96.144849][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.144851][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 96.144853][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.144855][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.144857][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.144862][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.144863][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144864][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.144867][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.144869][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.144871][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144872][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144873][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144874][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.144876][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.144878][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.144880][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.144883][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.144884][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.144886][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.144887][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144888][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.144890][ 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) [ 96.144891][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.144893][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.144895][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.144896][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 96.144897][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.144898][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.144900][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.144903][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.144904][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144906][ T1977] _printk (kernel/printk/printk.c:2504) [ 96.144909][ T1977] ? snapshot_read.cold (user.c:?) [ 96.144911][ T1977] ? br_multicast_flood (??:?) [ 96.144914][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 96.144917][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.144918][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.144920][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 96.144922][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 96.144924][ T1977] new_nbp (net/bridge/br_if.c:449) [ 96.144926][ T1977] br_add_if (net/bridge/br_if.c:592) [ 96.144928][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 96.144931][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.144934][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 96.144935][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 96.144938][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 96.144939][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 96.144941][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 96.144942][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144943][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.144946][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 96.144948][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 96.144949][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 96.144950][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 96.144951][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 96.144952][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 96.144953][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.144954][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.144957][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.144958][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.144960][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.144962][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 96.144963][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 96.144965][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 96.144966][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.144969][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.144971][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144973][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.144974][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144975][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144976][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 96.144977][ 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) [ 96.144979][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 96.144980][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 96.144981][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 96.144982][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 96.144986][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144987][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 96.144989][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.144991][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144992][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.144993][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.144994][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.144996][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 96.144998][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 96.144999][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.145001][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.145002][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 96.145005][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 96.145007][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.145008][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.145010][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.145011][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.145012][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.145014][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.145015][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.145017][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.145023][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.145025][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.145026][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.145028][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 96.145029][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 96.145032][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.145033][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.145035][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.145037][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 96.145039][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.145041][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.145043][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 96.145044][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.145046][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.145047][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 96.145050][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.145052][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 96.145054][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 96.145055][ T1977] ? sock_write_iter (net/socket.c:1269) [ 96.145056][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 96.145058][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.145060][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 96.145062][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 96.145067][ T1977] __sys_sendmsg (net/socket.c:2799) [ 96.145069][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 96.145071][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.145073][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.145074][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 96.145076][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.145078][ T1977] RIP: 0033:0x7f79c102754e [ 96.145080][ 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 [ 96.145081][ T1977] RSP: 002b:00007ffd9cbbe850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 96.145085][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f79c102754e [ 96.145086][ T1977] RDX: 0000000000000000 RSI: 00007ffd9cbbe900 RDI: 0000000000000005 [ 96.145087][ T1977] RBP: 00007ffd9cbbe860 R08: 0000000000000000 R09: 0000000000000000 [ 96.145088][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a62 [ 96.145088][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9cbbefd0 | [ 103.323279][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 103.323281][ T12] Preemption disabled at: | [ 103.323282][ T12] 0x0 | [ 103.323291][ T12] Tainted: [W]=WARN [ 103.323292][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 103.323294][ T12] Workqueue: netns cleanup_net [ 103.323299][ T12] Call Trace: [ 103.323301][ T12] [ 103.323302][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 103.323308][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 103.323312][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.323316][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323319][ 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)) [ 103.323321][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.323324][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.323329][ 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) [ 103.323330][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.323333][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 103.323334][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 103.323335][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 103.323338][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 103.323341][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 103.323345][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 103.323347][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.323348][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.323351][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 103.323353][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 103.323355][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323356][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323357][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323358][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.323360][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 103.323362][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 103.323364][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 103.323367][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 103.323368][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.323370][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 103.323371][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323372][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.323374][ 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) [ 103.323375][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 103.323377][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 103.323379][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 103.323380][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 103.323382][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 103.323383][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323384][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.323387][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 103.323389][ T12] _printk (kernel/printk/printk.c:2504) [ 103.323392][ T12] ? snapshot_read.cold (user.c:?) [ 103.323394][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 103.323397][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 103.323400][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 103.323402][ T12] br_device_event (net/bridge/br.c:111) [ 103.323405][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 103.323406][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 103.323408][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 103.323411][ T12] notifier_call_chain (kernel/notifier.c:85) [ 103.323414][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 103.323416][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 103.323419][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.323420][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 103.323422][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 103.323424][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 103.323426][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 103.323427][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 103.323430][ T12] ? kthread (kernel/kthread.c:436) [ 103.323432][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 103.323435][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 103.323437][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 103.323438][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323439][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.323441][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 103.323443][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 103.323444][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.323446][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 103.323447][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.323449][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 103.323452][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 103.323454][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 103.323455][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 103.323458][ T12] cleanup_net (net/core/net_namespace.c:706) [ 103.323460][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 103.323462][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 103.323464][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.323466][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.323467][ T12] process_one_work (kernel/workqueue.c:3387) [ 103.323470][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 103.323472][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 103.323474][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.323476][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 103.323479][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.323481][ T12] kthread (kernel/kthread.c:436) [ 103.323482][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.323484][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.323485][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 103.323487][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 103.323489][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 103.323492][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.323493][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 105.137664][ T2215] softirqs last disabled at (0): 0x0 | [ 105.137666][ T2215] Preemption disabled at: | [ 105.137666][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 105.137676][ T2215] Tainted: [W]=WARN [ 105.137677][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.137678][ T2215] Call Trace: [ 105.137680][ T2215] [ 105.137681][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 105.137686][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 105.137688][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 105.137692][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 105.137695][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 105.137698][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137701][ 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)) [ 105.137703][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 105.137706][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 105.137711][ 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) [ 105.137713][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 105.137716][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 105.137717][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 105.137719][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 105.137721][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 105.137726][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 105.137728][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137729][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137732][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 105.137734][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 105.137736][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137737][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137738][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137739][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137741][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 105.137743][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 105.137745][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 105.137748][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 105.137749][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137751][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 105.137753][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137753][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 105.137755][ 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) [ 105.137756][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 105.137758][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 105.137760][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 105.137761][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 105.137762][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 105.137764][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 105.137765][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 105.137768][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137770][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137771][ T2215] _printk (kernel/printk/printk.c:2504) [ 105.137774][ T2215] ? snapshot_read.cold (user.c:?) [ 105.137776][ T2215] ? br_multicast_flood (??:?) [ 105.137779][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 105.137782][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 105.137783][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 105.137785][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 105.137788][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 105.137789][ T2215] new_nbp (net/bridge/br_if.c:449) [ 105.137791][ T2215] br_add_if (net/bridge/br_if.c:592) [ 105.137793][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 105.137796][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 105.137799][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 105.137800][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 105.137802][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 105.137804][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 105.137806][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 105.137807][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137808][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 105.137811][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 105.137813][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 105.137814][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 105.137815][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 105.137816][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 105.137817][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 105.137818][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 105.137819][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 105.137822][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 105.137823][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 105.137825][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 105.137827][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 105.137828][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 105.137830][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 105.137832][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 105.137835][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 105.137837][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137838][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137840][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137840][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137841][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 105.137843][ 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) [ 105.137845][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 105.137846][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 105.137847][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 105.137848][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 105.137851][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137853][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 105.137855][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 105.137856][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137858][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 105.137859][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137860][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137861][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 105.137864][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 105.137865][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 105.137867][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137868][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 105.137871][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 105.137873][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137874][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137876][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137877][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 105.137878][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 105.137880][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 105.137881][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 105.137882][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 105.137884][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 105.137886][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 105.137887][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 105.137889][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 105.137890][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 105.137893][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137894][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 105.137896][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 105.137898][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 105.137900][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 105.137902][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 105.137904][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 105.137905][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 105.137907][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 105.137908][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 105.137911][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 105.137913][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 105.137915][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 105.137916][ T2215] ? sock_write_iter (net/socket.c:1269) [ 105.137918][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 105.137919][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 105.137922][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 105.137923][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 105.137928][ T2215] __sys_sendmsg (net/socket.c:2799) [ 105.137930][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 105.137932][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 105.137934][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 105.137936][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 105.137938][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 105.137939][ T2215] RIP: 0033:0x7f485d44054e [ 105.137941][ 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 [ 105.137942][ T2215] RSP: 002b:00007ffc8ec3e540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 105.137946][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f485d44054e [ 105.137947][ T2215] RDX: 0000000000000000 RSI: 00007ffc8ec3e5f0 RDI: 0000000000000005 [ 105.137948][ T2215] RBP: 00007ffc8ec3e550 R08: 0000000000000000 R09: 0000000000000000 [ 105.137948][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a6b [ 105.137949][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8ec3ecc0 | [ 111.837096][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 111.837098][ T12] Preemption disabled at: | [ 111.837099][ T12] 0x0 | [ 111.837108][ T12] Tainted: [W]=WARN [ 111.837109][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.837110][ T12] Workqueue: netns cleanup_net [ 111.837116][ T12] Call Trace: [ 111.837117][ T12] [ 111.837119][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.837125][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 111.837128][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.837133][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837135][ 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)) [ 111.837138][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.837141][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.837145][ 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) [ 111.837147][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.837149][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 111.837151][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.837152][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 111.837155][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.837157][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.837162][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.837163][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.837165][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.837168][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.837170][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.837172][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837173][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837174][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837175][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.837177][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.837179][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.837181][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.837184][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.837186][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.837187][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.837189][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837190][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.837191][ 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) [ 111.837193][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.837194][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.837196][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.837197][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 111.837199][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.837200][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837201][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.837204][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 111.837206][ T12] _printk (kernel/printk/printk.c:2504) [ 111.837209][ T12] ? snapshot_read.cold (user.c:?) [ 111.837211][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 111.837214][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.837217][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 111.837219][ T12] br_device_event (net/bridge/br.c:111) [ 111.837222][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 111.837223][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 111.837225][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 111.837228][ T12] notifier_call_chain (kernel/notifier.c:85) [ 111.837231][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 111.837234][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 111.837236][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.837237][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 111.837239][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 111.837241][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 111.837243][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.837244][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.837247][ T12] ? kthread (kernel/kthread.c:436) [ 111.837249][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 111.837251][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 111.837254][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 111.837255][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837256][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.837258][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 111.837260][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 111.837261][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.837263][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 111.837264][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.837266][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 111.837268][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.837270][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 111.837272][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 111.837275][ T12] cleanup_net (net/core/net_namespace.c:706) [ 111.837277][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 111.837279][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.837280][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.837282][ T12] process_one_work (kernel/workqueue.c:3387) [ 111.837285][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 111.837287][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.837289][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.837292][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.837294][ T12] kthread (kernel/kthread.c:436) [ 111.837296][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.837297][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.837299][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 111.837300][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 111.837302][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 111.837305][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.837307][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 113.618946][ T2413] softirqs last disabled at (0): 0x0 | [ 113.618947][ T2413] Preemption disabled at: | [ 113.618948][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.618958][ T2413] Tainted: [W]=WARN [ 113.618959][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.618960][ T2413] Call Trace: [ 113.618962][ T2413] [ 113.618963][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.618969][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.618970][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 113.618974][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.618977][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 113.618980][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.618983][ 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)) [ 113.618985][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.618988][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.618993][ 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) [ 113.618995][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.618997][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 113.618999][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.619000][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 113.619003][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.619007][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.619009][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619010][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619013][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.619015][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.619017][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619018][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619019][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619020][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619022][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.619023][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.619026][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.619028][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.619030][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619032][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.619033][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619034][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.619036][ 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) [ 113.619037][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 113.619039][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.619041][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.619042][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 113.619044][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.619045][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.619047][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.619049][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619051][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619052][ T2413] _printk (kernel/printk/printk.c:2504) [ 113.619055][ T2413] ? snapshot_read.cold (user.c:?) [ 113.619057][ T2413] ? br_multicast_flood (??:?) [ 113.619065][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.619068][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.619069][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.619071][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 113.619073][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 113.619075][ T2413] new_nbp (net/bridge/br_if.c:449) [ 113.619077][ T2413] br_add_if (net/bridge/br_if.c:592) [ 113.619079][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 113.619082][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.619085][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 113.619086][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 113.619089][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.619090][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 113.619092][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 113.619093][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619094][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.619097][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 113.619099][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 113.619100][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 113.619101][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 113.619102][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 113.619103][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 113.619104][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.619105][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.619108][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.619109][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.619111][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.619113][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 113.619115][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 113.619116][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 113.619118][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.619121][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.619123][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619124][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619126][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619126][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619127][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 113.619129][ 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) [ 113.619130][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 113.619132][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 113.619133][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 113.619134][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 113.619137][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619139][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 113.619141][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.619142][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619144][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.619145][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619146][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619147][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 113.619150][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 113.619151][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.619153][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619154][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 113.619157][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 113.619159][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619160][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619161][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619163][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.619164][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.619165][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.619167][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.619168][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.619170][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.619172][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.619173][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.619175][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 113.619176][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 113.619179][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619180][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.619182][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.619184][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 113.619186][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.619188][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.619190][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 113.619191][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.619193][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.619194][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 113.619198][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.619199][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 113.619201][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 113.619203][ T2413] ? sock_write_iter (net/socket.c:1269) [ 113.619204][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 113.619206][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.619208][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 113.619210][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 113.619214][ T2413] __sys_sendmsg (net/socket.c:2799) [ 113.619216][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 113.619219][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.619220][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.619222][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 113.619224][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.619226][ T2413] RIP: 0033:0x7f092be5b54e [ 113.619227][ 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 [ 113.619229][ T2413] RSP: 002b:00007ffea7e65b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 113.619233][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f092be5b54e [ 113.619234][ T2413] RDX: 0000000000000000 RSI: 00007ffea7e65bc0 RDI: 0000000000000005 [ 113.619235][ T2413] RBP: 00007ffea7e65b20 R08: 0000000000000000 R09: 0000000000000000 [ 113.619236][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a74 [ 113.619237][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea7e66290 | [ 120.385067][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 120.385069][ T12] Preemption disabled at: | [ 120.385070][ T12] 0x0 | [ 120.385085][ T12] Tainted: [W]=WARN [ 120.385086][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.385090][ T12] Workqueue: netns cleanup_net [ 120.385096][ T12] Call Trace: [ 120.385097][ T12] [ 120.385099][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.385105][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 120.385109][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.385113][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385115][ 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)) [ 120.385118][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.385121][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.385125][ 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) [ 120.385127][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.385130][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 120.385131][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.385132][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 120.385135][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.385137][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.385142][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.385143][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.385145][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.385147][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.385150][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.385152][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385153][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385154][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385155][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.385157][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.385158][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.385160][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.385163][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.385165][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.385166][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.385168][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385169][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.385170][ 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) [ 120.385172][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.385173][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.385175][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.385177][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 120.385178][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.385179][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385180][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.385183][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 120.385185][ T12] _printk (kernel/printk/printk.c:2504) [ 120.385188][ T12] ? snapshot_read.cold (user.c:?) [ 120.385190][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 120.385193][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 120.385196][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 120.385198][ T12] br_device_event (net/bridge/br.c:111) [ 120.385201][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 120.385202][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 120.385204][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 120.385207][ T12] notifier_call_chain (kernel/notifier.c:85) [ 120.385210][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 120.385212][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 120.385214][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.385216][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 120.385218][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 120.385220][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 120.385222][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.385223][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.385226][ T12] ? kthread (kernel/kthread.c:436) [ 120.385227][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 120.385230][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 120.385232][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 120.385234][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385235][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.385237][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 120.385238][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 120.385239][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.385241][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 120.385242][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.385244][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 120.385246][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.385248][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 120.385250][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 120.385253][ T12] cleanup_net (net/core/net_namespace.c:706) [ 120.385255][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 120.385257][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.385258][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.385260][ T12] process_one_work (kernel/workqueue.c:3387) [ 120.385262][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 120.385265][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.385267][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.385270][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 120.385272][ T12] kthread (kernel/kthread.c:436) [ 120.385273][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.385275][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.385277][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 120.385278][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 120.385280][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 120.385283][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.385284][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 122.189621][ T2621] softirqs last disabled at (0): 0x0 | [ 122.189622][ T2621] Preemption disabled at: | [ 122.189623][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 122.189633][ T2621] Tainted: [W]=WARN [ 122.189634][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.189636][ T2621] Call Trace: [ 122.189637][ T2621] [ 122.189638][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.189644][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 122.189645][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 122.189649][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.189652][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 122.189655][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189658][ 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)) [ 122.189660][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.189663][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.189668][ 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) [ 122.189670][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.189673][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 122.189674][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.189676][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 122.189678][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.189683][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.189685][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189686][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189688][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.189691][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.189693][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189694][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189695][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189696][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189698][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 122.189700][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.189702][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.189704][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.189706][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189708][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.189709][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189710][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.189712][ 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) [ 122.189713][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 122.189715][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.189717][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.189718][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 122.189720][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.189721][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.189722][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.189725][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189727][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189728][ T2621] _printk (kernel/printk/printk.c:2504) [ 122.189731][ T2621] ? snapshot_read.cold (user.c:?) [ 122.189733][ T2621] ? br_multicast_flood (??:?) [ 122.189736][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.189739][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.189740][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.189742][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 122.189744][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 122.189746][ T2621] new_nbp (net/bridge/br_if.c:449) [ 122.189748][ T2621] br_add_if (net/bridge/br_if.c:592) [ 122.189750][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 122.189753][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.189756][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 122.189757][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 122.189760][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.189761][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 122.189763][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 122.189764][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189765][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.189768][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 122.189770][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 122.189771][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 122.189772][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 122.189773][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 122.189774][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 122.189776][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.189777][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.189779][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.189781][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.189782][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.189785][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 122.189786][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 122.189787][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 122.189789][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.189792][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.189795][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189796][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189797][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189798][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189799][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 122.189801][ 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) [ 122.189802][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 122.189803][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 122.189805][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 122.189806][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 122.189809][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189810][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 122.189812][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.189814][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189815][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.189816][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189818][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189819][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 122.189822][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 122.189823][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.189825][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189826][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 122.189829][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 122.189831][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189832][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189833][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189835][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.189836][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.189837][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.189839][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.189840][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.189842][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.189844][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.189845][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.189847][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 122.189848][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 122.189851][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189853][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.189854][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.189857][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 122.189858][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.189860][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.189862][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 122.189864][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.189865][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.189867][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 122.189870][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.189872][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 122.189873][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 122.189875][ T2621] ? sock_write_iter (net/socket.c:1269) [ 122.189876][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 122.189878][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.189880][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 122.189882][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 122.189887][ T2621] __sys_sendmsg (net/socket.c:2799) [ 122.189889][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 122.189891][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.189893][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.189895][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 122.189897][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.189898][ T2621] RIP: 0033:0x7fb9fb21f54e [ 122.189900][ 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 [ 122.189901][ T2621] RSP: 002b:00007ffe90650b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 122.189905][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb9fb21f54e [ 122.189906][ T2621] RDX: 0000000000000000 RSI: 00007ffe90650c30 RDI: 0000000000000005 [ 122.189907][ T2621] RBP: 00007ffe90650b90 R08: 0000000000000000 R09: 0000000000000000 [ 122.189908][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a7c [ 122.189909][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe90651300 | [ 129.280758][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 129.280760][ T12] Preemption disabled at: | [ 129.280760][ T12] 0x0 | [ 129.280770][ T12] Tainted: [W]=WARN [ 129.280771][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.280772][ T12] Workqueue: netns cleanup_net [ 129.280778][ T12] Call Trace: [ 129.280779][ T12] [ 129.280781][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 129.280787][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 129.280790][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.280795][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280797][ 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)) [ 129.280800][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.280803][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.280808][ 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) [ 129.280809][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.280812][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 129.280813][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 129.280815][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 129.280817][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 129.280820][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 129.280824][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 129.280826][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.280828][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.280830][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 129.280833][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 129.280835][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280836][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280837][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280838][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.280839][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 129.280841][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 129.280843][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 129.280846][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 129.280848][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.280849][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 129.280851][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280852][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.280853][ 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) [ 129.280855][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 129.280856][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 129.280858][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 129.280860][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 129.280861][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 129.280862][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280863][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280864][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.280868][ T12] _printk (kernel/printk/printk.c:2504) [ 129.280871][ T12] ? snapshot_read.cold (user.c:?) [ 129.280874][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 129.280877][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 129.280879][ T12] br_device_event (net/bridge/br.c:111) [ 129.280882][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 129.280883][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 129.280885][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 129.280888][ T12] notifier_call_chain (kernel/notifier.c:85) [ 129.280892][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 129.280894][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 129.280896][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.280898][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 129.280899][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 129.280902][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 129.280903][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.280905][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.280908][ T12] ? kthread (kernel/kthread.c:436) [ 129.280909][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 129.280912][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 129.280914][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 129.280916][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280917][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.280919][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 129.280920][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 129.280921][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.280923][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 129.280924][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.280926][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 129.280929][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.280931][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 129.280932][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 129.280935][ T12] cleanup_net (net/core/net_namespace.c:706) [ 129.280937][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 129.280939][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.280940][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.280942][ T12] process_one_work (kernel/workqueue.c:3387) [ 129.280945][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 129.280947][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.280950][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.280952][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 129.280954][ T12] kthread (kernel/kthread.c:436) [ 129.280956][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.280957][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.280959][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 129.280960][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 129.280962][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 129.280965][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.280967][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 131.057031][ T2842] softirqs last disabled at (0): 0x0 | [ 131.057033][ T2842] Preemption disabled at: | [ 131.057033][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 131.057043][ T2842] Tainted: [W]=WARN [ 131.057044][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 131.057045][ T2842] Call Trace: [ 131.057047][ T2842] [ 131.057048][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 131.057053][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 131.057055][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 131.057059][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 131.057062][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 131.057065][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057068][ 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)) [ 131.057070][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.057073][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.057078][ 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) [ 131.057080][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.057082][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 131.057083][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 131.057085][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 131.057088][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 131.057092][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 131.057094][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057095][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057102][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 131.057105][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 131.057107][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057108][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057109][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057110][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057112][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 131.057114][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 131.057116][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 131.057119][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 131.057121][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057122][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 131.057124][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057125][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.057126][ 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) [ 131.057128][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 131.057129][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 131.057131][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 131.057132][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 131.057134][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 131.057135][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.057137][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.057140][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057141][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057143][ T2842] _printk (kernel/printk/printk.c:2504) [ 131.057145][ T2842] ? snapshot_read.cold (user.c:?) [ 131.057147][ T2842] ? br_multicast_flood (??:?) [ 131.057151][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.057154][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.057155][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.057156][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 131.057159][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 131.057161][ T2842] new_nbp (net/bridge/br_if.c:449) [ 131.057163][ T2842] br_add_if (net/bridge/br_if.c:592) [ 131.057164][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 131.057168][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.057171][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 131.057172][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 131.057174][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.057176][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 131.057177][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 131.057178][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057179][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.057183][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 131.057184][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 131.057185][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 131.057186][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 131.057187][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 131.057189][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 131.057190][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.057191][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.057194][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.057195][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.057197][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.057199][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 131.057200][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 131.057202][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 131.057203][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.057207][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.057209][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057210][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057212][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057213][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057214][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 131.057215][ 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) [ 131.057217][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 131.057218][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 131.057219][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 131.057220][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 131.057224][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057225][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 131.057227][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.057229][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057230][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.057231][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057233][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057234][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 131.057237][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 131.057238][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.057239][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057240][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 131.057244][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 131.057246][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057247][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057248][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057249][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.057251][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.057252][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.057254][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.057255][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.057257][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.057259][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.057260][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.057261][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 131.057263][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 131.057266][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057267][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.057269][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.057271][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 131.057273][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.057274][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.057277][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 131.057278][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.057280][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.057281][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 131.057284][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.057286][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 131.057287][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 131.057289][ T2842] ? sock_write_iter (net/socket.c:1269) [ 131.057290][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 131.057292][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.057294][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 131.057296][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 131.057301][ T2842] __sys_sendmsg (net/socket.c:2799) [ 131.057302][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 131.057305][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.057306][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.057308][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 131.057310][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.057311][ T2842] RIP: 0033:0x7ff1523f054e [ 131.057313][ 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 [ 131.057315][ T2842] RSP: 002b:00007ffd08a27cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 131.057318][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff1523f054e [ 131.057320][ T2842] RDX: 0000000000000000 RSI: 00007ffd08a27d80 RDI: 0000000000000005 [ 131.057321][ T2842] RBP: 00007ffd08a27ce0 R08: 0000000000000000 R09: 0000000000000000 [ 131.057321][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916a85 [ 131.057322][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd08a28450 | [ 138.290767][ T12] softirqs last disabled at (472428): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 138.290769][ T12] Preemption disabled at: | [ 138.290769][ T12] 0x0 | [ 138.290779][ T12] Tainted: [W]=WARN [ 138.290780][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 138.290781][ T12] Workqueue: netns cleanup_net [ 138.290787][ T12] Call Trace: [ 138.290788][ T12] [ 138.290790][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 138.290796][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 138.290799][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.290804][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290806][ 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)) [ 138.290809][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.290812][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.290816][ 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) [ 138.290818][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.290820][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 138.290822][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 138.290823][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 138.290826][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 138.290828][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 138.290833][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 138.290834][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.290836][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.290838][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 138.290841][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 138.290843][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290844][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290845][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290846][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.290848][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 138.290849][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 138.290852][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 138.290854][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 138.290856][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.290858][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 138.290859][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290860][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.290862][ 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) [ 138.290863][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 138.290865][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 138.290867][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 138.290868][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 138.290870][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 138.290871][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290872][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.290875][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 138.290877][ T12] _printk (kernel/printk/printk.c:2504) [ 138.290879][ T12] ? snapshot_read.cold (user.c:?) [ 138.290882][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 138.290884][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 138.290888][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 138.290890][ T12] br_device_event (net/bridge/br.c:111) [ 138.290892][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 138.290894][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 138.290896][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 138.290899][ T12] notifier_call_chain (kernel/notifier.c:85) [ 138.290902][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 138.290904][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 138.290906][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.290908][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 138.290910][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 138.290912][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 138.290914][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 138.290915][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 138.290918][ T12] ? kthread (kernel/kthread.c:436) [ 138.290920][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 138.290922][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 138.290924][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 138.290926][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290927][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.290929][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 138.290931][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 138.290932][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.290934][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 138.290935][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.290937][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 138.290939][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 138.290941][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 138.290943][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 138.290946][ T12] cleanup_net (net/core/net_namespace.c:706) [ 138.290948][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 138.290950][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.290951][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.290952][ T12] process_one_work (kernel/workqueue.c:3387) [ 138.290955][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 138.290958][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.290960][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 138.290963][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 138.290964][ T12] kthread (kernel/kthread.c:436) [ 138.290966][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.290967][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 138.290969][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 138.290971][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 138.290973][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 138.290975][ 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 netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars 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 inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars