====================================== | [ 9.659000][ T186] softirqs last disabled at (37343): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.659002][ T186] Preemption disabled at: | [ 9.659003][ T186] 0x0 | [ 9.659013][ T186] Tainted: [W]=WARN [ 9.659014][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.659015][ T186] Call Trace: [ 9.659017][ T186] [ 9.659018][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.659024][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.659030][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.659034][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.659040][ T186] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.659042][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.659048][ T186] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.659050][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.659053][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.659056][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.659057][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.659062][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.659067][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.659073][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.659075][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.659077][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.659081][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.659085][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.659087][ T186] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.659090][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.659092][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.659096][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.659100][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.659102][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.659107][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.659109][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.659111][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.659113][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.659117][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.659119][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.659122][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.659126][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.659129][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.659133][ T186] _printk (kernel/printk/printk.c:2504) [ 9.659136][ T186] ? snapshot_read.cold (user.c:?) [ 9.659139][ T186] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.659142][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.659145][ T186] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.659148][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.659151][ T186] ? exit_notify (kernel/exit.c:780) [ 9.659153][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.659156][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.659160][ T186] do_group_exit (kernel/exit.c:1151) [ 9.659163][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.659165][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.659167][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.659170][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.659173][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.659175][ T186] RIP: 0033:0x7fbd8b3f21b8 [ 9.659177][ T186] Code: Unable to access opcode bytes at 0x7fbd8b3f218e. Code starting with the faulting instruction =========================================== [ 9.659179][ T186] RSP: 002b:00007ffc6bbb4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.659181][ T186] RAX: ffffffffffffffda RBX: 00007fbd8b522f88 RCX: 00007fbd8b3f21b8 [ 9.659182][ T186] RDX: 00007fbd8b13cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.659183][ T186] RBP: 00007ffc6bbb4e10 R08: 0000000000000000 R09: 0000000000008010 [ 9.659184][ T186] R10: 00007ffc6bbb4bd0 R11: 0000000000000246 R12: 0000000000000001 [ 9.659185][ T186] R13: 0000000000000000 R14: 00007fbd8b521680 R15: 00007fbd8b522fa0 | [ 10.812092][ T238] softirqs last disabled at (23487): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.812095][ T238] Preemption disabled at: | [ 10.812095][ T238] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.812104][ T238] Tainted: [W]=WARN [ 10.812105][ T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.812107][ T238] Call Trace: [ 10.812109][ T238] [ 10.812110][ T238] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.812115][ T238] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.812117][ T238] __might_resched.cold (kernel/sched/core.c:9234) [ 10.812122][ T238] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.812126][ T238] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.812131][ T238] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.812133][ T238] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.812139][ T238] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.812141][ T238] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.812145][ T238] put_chars (drivers/char/virtio_console.c:1176) [ 10.812147][ T238] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.812149][ T238] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.812153][ T238] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.812156][ T238] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.812160][ T238] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.812163][ T238] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.812167][ T238] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.812170][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.812175][ T238] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.812179][ T238] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.812180][ T238] ? 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)) [ 10.812183][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.812186][ T238] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.812190][ T238] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.812194][ T238] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.812195][ T238] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.812200][ T238] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.812203][ T238] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.812205][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.812207][ T238] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.812211][ T238] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.812212][ T238] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.812216][ T238] vprintk_emit (kernel/printk/printk.c:2479) [ 10.812220][ T238] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.812225][ T238] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 10.812229][ T238] _printk (kernel/printk/printk.c:2504) [ 10.812232][ T238] ? snapshot_read.cold (user.c:?) [ 10.812239][ T238] ? 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) [ 10.812242][ T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 10.812245][ T238] do_one_initcall (init/main.c:1357) [ 10.812247][ T238] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.812252][ T238] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.812255][ T238] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.812259][ T238] do_init_module (kernel/module/main.c:3117) [ 10.812263][ T238] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.812267][ T238] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.812270][ T238] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.812274][ T238] load_module (kernel/module/main.c:3593) [ 10.812282][ T238] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.812285][ T238] ? __ia32_sys_fsconfig (??:?) [ 10.812288][ T238] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.812292][ T238] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.812293][ T238] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.812297][ T238] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.812300][ T238] init_module_from_file (kernel/module/main.c:3790) [ 10.812303][ T238] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.812312][ T238] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.812315][ T238] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.812318][ T238] idempotent_init_module (kernel/module/main.c:3802) [ 10.812321][ T238] ? init_module_from_file (kernel/module/main.c:3791) [ 10.812328][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.812330][ T238] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.812336][ T238] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.812338][ T238] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.812341][ T238] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.812343][ T238] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.812346][ T238] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.812348][ T238] RIP: 0033:0x7f012f3bb37d [ 10.812351][ T238] 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 [ 10.812353][ T238] RSP: 002b:00007ffcb3540ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.812356][ T238] RAX: ffffffffffffffda RBX: 0000562aa5deb810 RCX: 00007f012f3bb37d [ 10.812359][ T238] RDX: 0000000000000000 RSI: 0000562a98886ffd RDI: 0000000000000000 [ 10.812360][ T238] RBP: 00007ffcb3540f80 R08: 0000000000000000 R09: 0000000000000000 [ 10.812361][ T238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562a98886ffd [ 10.812362][ T238] R13: 0000562aa5deb960 R14: 0000000000040000 R15: 0000000000000000 | [ 12.089152][ T283] softirqs last disabled at (11840): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.089155][ T283] Preemption disabled at: | [ 12.089156][ T283] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.089168][ T283] Tainted: [W]=WARN [ 12.089170][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.089172][ T283] Call Trace: [ 12.089175][ T283] [ 12.089177][ T283] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.089184][ T283] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.089187][ T283] __might_resched.cold (kernel/sched/core.c:9234) [ 12.089194][ T283] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.089199][ T283] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.089207][ T283] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.089210][ T283] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.089219][ T283] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.089223][ T283] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.089228][ T283] put_chars (drivers/char/virtio_console.c:1176) [ 12.089232][ T283] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.089240][ T283] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.089246][ T283] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.089250][ T283] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.089253][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089255][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089262][ T283] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.089265][ T283] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.089270][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089276][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.089282][ T283] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.089288][ T283] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.089291][ T283] ? 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)) [ 12.089296][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089299][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.089306][ T283] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.089313][ T283] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.089315][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089324][ T283] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.089328][ T283] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.089331][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089334][ T283] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.089341][ T283] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.089343][ T283] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.089349][ T283] vprintk_emit (kernel/printk/printk.c:2479) [ 12.089359][ T283] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.089363][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.089365][ T283] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.089371][ T283] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.089377][ T283] _printk (kernel/printk/printk.c:2504) [ 12.089382][ T283] ? snapshot_read.cold (user.c:?) [ 12.089388][ T283] ? br_multicast_flood (??:?) bridge [ 12.089412][ T283] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.089415][ T283] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.089417][ T283] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.089425][ T283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.089444][ T283] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.089458][ T283] new_nbp (net/bridge/br_if.c:449) bridge [ 12.089474][ T283] br_add_if (net/bridge/br_if.c:592) bridge [ 12.089486][ T283] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.089491][ T283] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.089495][ T283] ? __kernel_text_address (kernel/extable.c:79) [ 12.089502][ T283] do_set_master (net/core/rtnetlink.c:3071) [ 12.089510][ T283] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.089515][ T283] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.089519][ T283] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.089521][ T283] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.089525][ T283] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.089529][ T283] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.089533][ T283] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.089536][ T283] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.089540][ T283] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.089544][ T283] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.089547][ T283] ? kasan_save_track (mm/kasan/common.c:78) [ 12.089551][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089554][ T283] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 12.089558][ T283] ? ___sys_sendmsg (net/socket.c:2757) [ 12.089565][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.089568][ T283] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.089572][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089576][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.089578][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089581][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089584][ T283] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.089590][ T283] ? __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) [ 12.089592][ T283] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.089596][ T283] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.089602][ T283] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.089604][ T283] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.089613][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.089623][ T283] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.089632][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.089636][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089643][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.089646][ T283] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.089650][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.089653][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.089659][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.089662][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.089668][ T283] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.089670][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089677][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.089680][ T283] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.089686][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.089689][ T283] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.089694][ T283] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.089705][ T283] ? 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)) [ 12.089708][ T283] ? 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)) [ 12.089715][ T283] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.089722][ T283] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.089726][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.089733][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.089740][ T283] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.089746][ T283] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.089755][ T283] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.089758][ T283] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.089762][ T283] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.089764][ T283] ? move_addr_to_kernel (net/socket.c:258) [ 12.089778][ T283] ___sys_sendmsg (net/socket.c:2767) [ 12.089782][ T283] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.089812][ T283] __sys_sendmsg (net/socket.c:2799) [ 12.089816][ T283] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.089827][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.089833][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.089837][ T283] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.089841][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.089845][ T283] RIP: 0033:0x7f034ef5754e [ 12.089849][ T283] 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 [ 12.089852][ T283] RSP: 002b:00007ffdb1ed20c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.089855][ T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f034ef5754e [ 12.089857][ T283] RDX: 0000000000000000 RSI: 00007ffdb1ed2170 RDI: 0000000000000005 [ 12.089859][ T283] RBP: 00007ffdb1ed20d0 R08: 0000000000000000 R09: 0000000000000000 [ 12.089860][ T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad9a [ 12.089862][ T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb1ed2830 | [ 13.745825][ T340] softirqs last disabled at (12898): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.745827][ T340] Preemption disabled at: | [ 13.745828][ T340] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.745837][ T340] Tainted: [W]=WARN [ 13.745838][ T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.745839][ T340] Call Trace: [ 13.745841][ T340] [ 13.745843][ T340] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.745848][ T340] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.745850][ T340] __might_resched.cold (kernel/sched/core.c:9234) [ 13.745855][ T340] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.745859][ T340] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.745864][ T340] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.745866][ T340] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.745872][ T340] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.745875][ T340] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.745878][ T340] put_chars (drivers/char/virtio_console.c:1176) [ 13.745880][ T340] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 13.745882][ T340] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.745885][ T340] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.745889][ T340] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.745891][ T340] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.745895][ T340] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.745898][ T340] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.745899][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.745901][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.745905][ T340] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.745907][ T340] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.745910][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.745912][ T340] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.745916][ T340] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.745920][ T340] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.745922][ T340] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.745925][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.745927][ T340] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.745931][ T340] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.745935][ T340] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.745937][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.745942][ T340] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.745944][ T340] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.745946][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.745948][ T340] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.745952][ T340] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.745954][ T340] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.745957][ T340] vprintk_emit (kernel/printk/printk.c:2479) [ 13.745961][ T340] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.745964][ T340] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.745966][ T340] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.745970][ T340] _printk (kernel/printk/printk.c:2504) [ 13.745973][ T340] ? snapshot_read.cold (user.c:?) [ 13.745977][ T340] ? br_multicast_flood (??:?) bridge [ 13.745990][ T340] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.745992][ T340] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.745993][ T340] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.745997][ T340] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.746007][ T340] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.746015][ T340] new_nbp (net/bridge/br_if.c:449) bridge [ 13.746024][ T340] br_add_if (net/bridge/br_if.c:592) bridge [ 13.746031][ T340] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.746036][ T340] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.746038][ T340] ? __kernel_text_address (kernel/extable.c:79) [ 13.746042][ T340] do_set_master (net/core/rtnetlink.c:3071) [ 13.746047][ T340] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.746050][ T340] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.746053][ T340] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.746054][ T340] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.746056][ T340] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.746059][ T340] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.746061][ T340] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.746063][ T340] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.746066][ T340] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.746069][ T340] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.746070][ T340] ? kasan_save_track (mm/kasan/common.c:78) [ 13.746073][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.746074][ T340] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 13.746077][ T340] ? ___sys_sendmsg (net/socket.c:2757) [ 13.746082][ T340] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.746084][ T340] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.746086][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.746089][ T340] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.746090][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.746092][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.746094][ T340] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.746098][ T340] ? __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) [ 13.746101][ T340] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.746103][ T340] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.746106][ T340] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.746108][ T340] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.746112][ T340] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.746117][ T340] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.746122][ T340] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.746124][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.746128][ T340] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.746130][ T340] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.746132][ T340] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.746134][ T340] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.746137][ T340] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.746139][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.746142][ T340] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.746143][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.746148][ T340] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.746149][ T340] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.746153][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.746154][ T340] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.746157][ T340] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.746163][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 13.746164][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 13.746169][ T340] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.746172][ T340] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.746175][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.746178][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.746182][ T340] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.746186][ T340] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.746191][ T340] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.746193][ T340] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.746195][ T340] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.746197][ T340] ? move_addr_to_kernel (net/socket.c:258) [ 13.746204][ T340] ___sys_sendmsg (net/socket.c:2767) [ 13.746206][ T340] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.746221][ T340] __sys_sendmsg (net/socket.c:2799) [ 13.746224][ T340] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.746230][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.746234][ T340] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.746236][ T340] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.746239][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.746241][ T340] RIP: 0033:0x7fb0fc46c54e [ 13.746245][ T340] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 13.746247][ T340] RSP: 002b:00007ffcb97d46c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.746249][ T340] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb0fc46c54e [ 13.746251][ T340] RDX: 0000000000000000 RSI: 00007ffcb97d4770 RDI: 0000000000000005 [ 13.746252][ T340] RBP: 00007ffcb97d46d0 R08: 0000000000000000 R09: 0000000000000000 [ 13.746252][ T340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad9c [ 13.746253][ T340] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb97d4e30 | [ 15.010922][ T393] softirqs last disabled at (18002): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.010924][ T393] Preemption disabled at: | [ 15.010925][ T393] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.010935][ T393] Tainted: [W]=WARN [ 15.010936][ T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.010937][ T393] Call Trace: [ 15.010939][ T393] [ 15.010941][ T393] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.010947][ T393] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.010949][ T393] __might_resched.cold (kernel/sched/core.c:9234) [ 15.010954][ T393] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.010960][ T393] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.010967][ T393] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.010971][ T393] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.010977][ T393] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.010980][ T393] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.010983][ T393] put_chars (drivers/char/virtio_console.c:1176) [ 15.010985][ T393] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.010987][ T393] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.010990][ T393] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.010995][ T393] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.010997][ T393] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.011001][ T393] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.011004][ T393] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.011006][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011007][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011011][ T393] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.011013][ T393] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.011016][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011019][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.011023][ T393] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.011027][ T393] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.011028][ T393] ? 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)) [ 15.011032][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011034][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.011038][ T393] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.011042][ T393] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.011044][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011049][ T393] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.011052][ T393] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.011054][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011056][ T393] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.011060][ T393] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.011062][ T393] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.011065][ T393] vprintk_emit (kernel/printk/printk.c:2479) [ 15.011069][ T393] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.011072][ T393] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.011074][ T393] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.011078][ T393] _printk (kernel/printk/printk.c:2504) [ 15.011082][ T393] ? snapshot_read.cold (user.c:?) [ 15.011085][ T393] ? br_multicast_flood (??:?) bridge [ 15.011098][ T393] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.011100][ T393] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.011101][ T393] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.011105][ T393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.011116][ T393] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.011125][ T393] new_nbp (net/bridge/br_if.c:449) bridge [ 15.011134][ T393] br_add_if (net/bridge/br_if.c:592) bridge [ 15.011141][ T393] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.011147][ T393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.011151][ T393] ? __kernel_text_address (kernel/extable.c:79) [ 15.011157][ T393] do_set_master (net/core/rtnetlink.c:3071) [ 15.011164][ T393] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.011169][ T393] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.011173][ T393] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.011174][ T393] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.011176][ T393] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.011180][ T393] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.011182][ T393] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.011184][ T393] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.011187][ T393] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.011190][ T393] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.011191][ T393] ? kasan_save_track (mm/kasan/common.c:78) [ 15.011194][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011196][ T393] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.011199][ T393] ? ___sys_sendmsg (net/socket.c:2757) [ 15.011204][ T393] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.011206][ T393] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.011208][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011211][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.011212][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011214][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011216][ T393] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.011220][ T393] ? __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) [ 15.011223][ T393] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.011226][ T393] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.011229][ T393] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.011231][ T393] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.011236][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.011241][ T393] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.011246][ T393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.011248][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011252][ T393] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.011254][ T393] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.011256][ T393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.011258][ T393] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.011262][ T393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.011264][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.011267][ T393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.011268][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011273][ T393] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.011275][ T393] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.011278][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.011280][ T393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.011283][ T393] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.011289][ T393] ? 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)) [ 15.011291][ T393] ? 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)) [ 15.011295][ T393] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.011299][ T393] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.011302][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.011306][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.011310][ T393] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.011314][ T393] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.011319][ T393] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.011321][ T393] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.011324][ T393] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.011325][ T393] ? move_addr_to_kernel (net/socket.c:258) [ 15.011333][ T393] ___sys_sendmsg (net/socket.c:2767) [ 15.011335][ T393] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.011351][ T393] __sys_sendmsg (net/socket.c:2799) [ 15.011354][ T393] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.011362][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.011366][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.011369][ T393] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.011372][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.011374][ T393] RIP: 0033:0x7f1cdec1054e [ 15.011378][ T393] 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 [ 15.011380][ T393] RSP: 002b:00007ffca3390cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.011383][ T393] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1cdec1054e [ 15.011384][ T393] RDX: 0000000000000000 RSI: 00007ffca3390d70 RDI: 0000000000000005 [ 15.011385][ T393] RBP: 00007ffca3390cd0 R08: 0000000000000000 R09: 0000000000000000 [ 15.011386][ T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad9d [ 15.011387][ T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3391430 | [ 16.011190][ T438] softirqs last disabled at (12014): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 16.011192][ T438] Preemption disabled at: | [ 16.011193][ T438] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.011202][ T438] Tainted: [W]=WARN [ 16.011203][ T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.011205][ T438] Call Trace: [ 16.011206][ T438] [ 16.011208][ T438] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.011214][ T438] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.011216][ T438] __might_resched.cold (kernel/sched/core.c:9234) [ 16.011221][ T438] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.011225][ T438] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.011230][ T438] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.011232][ T438] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.011238][ T438] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.011240][ T438] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.011244][ T438] put_chars (drivers/char/virtio_console.c:1176) [ 16.011246][ T438] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 16.011248][ T438] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.011251][ T438] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.011255][ T438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.011257][ T438] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.011261][ T438] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.011264][ T438] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.011265][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011267][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011271][ T438] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.011273][ T438] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.011276][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011278][ T438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.011282][ T438] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.011286][ T438] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.011288][ T438] ? 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)) [ 16.011291][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011294][ T438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.011297][ T438] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.011302][ T438] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.011303][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011309][ T438] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.011311][ T438] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.011313][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011315][ T438] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.011319][ T438] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.011321][ T438] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.011324][ T438] vprintk_emit (kernel/printk/printk.c:2479) [ 16.011328][ T438] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.011331][ T438] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.011335][ T438] _printk (kernel/printk/printk.c:2504) [ 16.011339][ T438] ? snapshot_read.cold (user.c:?) [ 16.011343][ T438] ? br_multicast_flood (??:?) bridge [ 16.011356][ T438] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.011360][ T438] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.011361][ T438] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.011366][ T438] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.011376][ T438] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 16.011384][ T438] new_nbp (net/bridge/br_if.c:449) bridge [ 16.011394][ T438] br_add_if (net/bridge/br_if.c:592) bridge [ 16.011401][ T438] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 16.011405][ T438] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 16.011407][ T438] ? __kernel_text_address (kernel/extable.c:79) [ 16.011415][ T438] do_set_master (net/core/rtnetlink.c:3071) [ 16.011420][ T438] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.011423][ T438] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.011426][ T438] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.011427][ T438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.011429][ T438] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.011432][ T438] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.011435][ T438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.011437][ T438] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.011439][ T438] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.011442][ T438] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.011444][ T438] ? kasan_save_track (mm/kasan/common.c:78) [ 16.011446][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011448][ T438] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 16.011451][ T438] ? ___sys_sendmsg (net/socket.c:2757) [ 16.011455][ T438] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.011457][ T438] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.011460][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011462][ T438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.011464][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011465][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011467][ T438] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.011471][ T438] ? __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) [ 16.011474][ T438] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.011476][ T438] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.011480][ T438] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.011481][ T438] ? nla_get_range_signed (lib/nlattr.c:270) [ 16.011486][ T438] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.011491][ T438] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.011496][ T438] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.011498][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011502][ T438] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.011504][ T438] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.011506][ T438] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.011508][ T438] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.011511][ T438] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.011513][ T438] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.011516][ T438] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.011518][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011522][ T438] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.011524][ T438] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.011527][ T438] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.011529][ T438] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.011532][ T438] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.011538][ T438] ? 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)) [ 16.011539][ T438] ? 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)) [ 16.011543][ T438] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.011547][ T438] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.011549][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.011553][ T438] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.011557][ T438] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.011561][ T438] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.011566][ T438] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.011568][ T438] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.011570][ T438] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.011572][ T438] ? move_addr_to_kernel (net/socket.c:258) [ 16.011579][ T438] ___sys_sendmsg (net/socket.c:2767) [ 16.011582][ T438] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.011597][ T438] __sys_sendmsg (net/socket.c:2799) [ 16.011600][ T438] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.011606][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.011610][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.011612][ T438] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.011615][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.011617][ T438] RIP: 0033:0x7f812f26154e [ 16.011621][ T438] 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 [ 16.011622][ T438] RSP: 002b:00007ffe17f61520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.011625][ T438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f812f26154e [ 16.011627][ T438] RDX: 0000000000000000 RSI: 00007ffe17f615d0 RDI: 0000000000000005 [ 16.011628][ T438] RBP: 00007ffe17f61530 R08: 0000000000000000 R09: 0000000000000000 [ 16.011628][ T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad9e [ 16.011629][ T438] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe17f61c90 | [ 16.381360][ C1] | [ 16.381360][ C1] | [ 16.381360][ C1] stack backtrace: | [ 16.381366][ C1] Tainted: [W]=WARN [ 16.381367][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.381369][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.381372][ C1] Call Trace: [ 16.381373][ C1] [ 16.381375][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.381379][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.381381][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.381383][ C1] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 16.381386][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 16.381387][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 16.381389][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.381391][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.381393][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.381395][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381399][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.381400][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.381402][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.381404][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.381406][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.381408][ C1] ? 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)) [ 16.381410][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381418][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.381420][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.381423][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.381424][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.381427][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.381429][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.381430][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381432][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.381434][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.381436][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.381437][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 16.381440][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.381442][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.381444][ C1] _printk (kernel/printk/printk.c:2504) [ 16.381445][ C1] ? snapshot_read.cold (user.c:?) [ 16.381447][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.381450][ C1] ? idr_get_free (??:?) [ 16.381453][ C1] addrconf_dad_failure.cold (net/ipv6/addrconf.c:2187 (discriminator 4)) [ 16.381455][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.381456][ C1] ? inet6_rtm_newaddr (net/ipv6/addrconf.c:5042 (discriminator 2)) [ 16.381458][ C1] ? ipv6_get_ifaddr (./include/linux/rcupdate.h:882 net/ipv6/addrconf.c:2118) [ 16.381460][ C1] ? addrconf_dad_work (./include/net/ipv6.h:593) [ 16.381462][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.381464][ C1] ? ndisc_parse_options.part.0 (net/ipv6/ndisc.c:228) [ 16.381467][ C1] ndisc_recv_ns (net/ipv6/ndisc.c:867) [ 16.381468][ C1] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 16.381470][ C1] ? ndisc_netdev_event (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.381472][ C1] ? ip6_pol_route (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/route.c:2339 (discriminator 2)) [ 16.381475][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.381476][ C1] ? ndisc_rcv (net/ipv6/ndisc.c:1835) [ 16.381478][ C1] icmpv6_rcv (net/ipv6/icmp.c:1193) [ 16.381480][ C1] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) [ 16.381483][ C1] ip6_input_finish (net/ipv6/ip6_input.c:534) [ 16.381485][ C1] ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545) [ 16.381486][ C1] ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46)) [ 16.381488][ C1] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/mcast.c:1096 (discriminator 2)) [ 16.381490][ C1] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:882 net/ipv6/mcast.c:1096) [ 16.381492][ C1] ip6_mc_input (net/ipv6/ip6_input.c:636) [ 16.381494][ C1] ? ip6_input (./include/linux/rcupdate.h:878 (discriminator 3)) [ 16.381496][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.381497][ C1] ? ip6_rcv_core (./include/linux/rcupdate.h:882 net/ipv6/ip6_input.c:328) [ 16.381499][ C1] ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4)) [ 16.381500][ C1] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96)) [ 16.381502][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.381504][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.381505][ C1] ? perf_trace_rcu_invoke_kvfree_callback (./include/linux/perf_event.h:1597 (discriminator 2) ./include/trace/events/rcu.h:627 (discriminator 2) ./include/trace/events/rcu.h:627 (discriminator 2)) [ 16.381508][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 16.381509][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 16.381511][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.381512][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 16.381514][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 16.381516][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381518][ C1] process_backlog (net/core/dev.c:6728) [ 16.381521][ C1] __napi_poll (net/core/dev.c:7787) [ 16.381523][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.381525][ C1] ? __napi_poll (./include/net/gro.h:507) [ 16.381527][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.381530][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.381532][ C1] handle_softirqs (kernel/softirq.c:645) [ 16.381534][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.381535][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381537][ C1] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 16.381540][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.381542][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.381543][ C1] [ 16.381544][ C1] [ 16.381544][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.381546][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.381548][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.381550][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.381551][ C1] ? eth_header (net/ethernet/eth.c:99) [ 16.381557][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 16.381559][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.381560][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.381561][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.381563][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 16.381565][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.381567][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.381569][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.381570][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.381571][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.381573][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.381574][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.381576][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 16.381579][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.381582][ C1] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 16.381584][ C1] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 16.381585][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.381587][ C1] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 16.381588][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.381590][ C1] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 16.381591][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.381593][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.381594][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.381596][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 16.381598][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 16.381600][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381602][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381604][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.381605][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.381607][ C1] process_one_work (kernel/workqueue.c:3387) [ 16.381610][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.381612][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.381614][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.381617][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.381618][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.381620][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.381622][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.381623][ C1] kthread (kernel/kthread.c:436) [ 16.381625][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.381626][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.381628][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.381629][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.381631][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.381634][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.381636][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.991713][ T70] softirqs last disabled at (33073): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 23.991717][ T70] Preemption disabled at: | [ 23.991718][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.991728][ T70] Tainted: [W]=WARN [ 23.991729][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.991730][ T70] Workqueue: netns cleanup_net [ 23.991736][ T70] Call Trace: [ 23.991737][ T70] [ 23.991738][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.991743][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.991745][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 23.991749][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.991752][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991756][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.991760][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.991762][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.991766][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.991768][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.991770][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 23.991772][ T70] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 23.991773][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.991776][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 23.991778][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.991781][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.991783][ T70] ? 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) [ 23.991784][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.991786][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991787][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991789][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.991791][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.991794][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.991796][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991797][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991799][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991801][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.991803][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 23.991804][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.991806][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.991809][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.991811][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.991812][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.991814][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991816][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 23.991817][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.991819][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 23.991821][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.991822][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.991824][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 23.991826][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.991828][ T70] ? process_one_work (kernel/workqueue.c:3387) [ 23.991831][ T70] ? kthread (kernel/kthread.c:436) [ 23.991833][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 23.991836][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 23.991838][ T70] _printk (kernel/printk/printk.c:2504) [ 23.991841][ T70] ? snapshot_read.cold (user.c:?) [ 23.991843][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 23.991846][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 23.991848][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.991850][ T70] ? netdev_notice (net/core/dev.c:13194) [ 23.991852][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991854][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 23.991855][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 23.991858][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 23.991859][ T70] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 23.991862][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 23.991864][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 23.991867][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 23.991880][ T70] br_dev_delete (net/bridge/br_if.c:387) bridge [ 23.991888][ T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 23.991896][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 23.991898][ T70] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 23.991900][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 23.991904][ T70] cleanup_net (net/core/net_namespace.c:706) [ 23.991906][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 23.991908][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.991909][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.991911][ T70] process_one_work (kernel/workqueue.c:3387) [ 23.991914][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.991916][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.991918][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.991920][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.991922][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.991924][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 23.991926][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.991928][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.991929][ T70] kthread (kernel/kthread.c:436) [ 23.991931][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.991932][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.991934][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.991936][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.991937][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.991940][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars