====================================== | [ 10.120972][ T196] softirqs last disabled at (28909): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.120974][ T196] Preemption disabled at: | [ 10.120975][ T196] 0x0 | [ 10.120985][ T196] Tainted: [W]=WARN [ 10.120986][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.120988][ T196] Call Trace: [ 10.120990][ T196] [ 10.120991][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.120998][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 10.121002][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.121007][ T196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.121012][ T196] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.121014][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.121020][ T196] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.121028][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.121031][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 10.121034][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.121036][ T196] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.121041][ T196] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.121046][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.121052][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.121055][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.121057][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.121061][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.121065][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.121067][ T196] ? 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)) [ 10.121070][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.121073][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.121077][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.121081][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.121083][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.121088][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.121091][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.121093][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.121095][ T196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.121099][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.121100][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.121105][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 10.121109][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.121113][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.121117][ T196] _printk (kernel/printk/printk.c:2504) [ 10.121120][ T196] ? snapshot_read.cold (user.c:?) [ 10.121123][ T196] ? 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) [ 10.121126][ T196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.121130][ T196] ? 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) [ 10.121133][ T196] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.121136][ T196] ? exit_notify (kernel/exit.c:780) [ 10.121139][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.121142][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.121146][ T196] do_group_exit (kernel/exit.c:1151) [ 10.121149][ T196] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.121151][ T196] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.121153][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.121156][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.121159][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.121162][ T196] RIP: 0033:0x7f4a09b0f1b8 [ 10.121164][ T196] Code: Unable to access opcode bytes at 0x7f4a09b0f18e. Code starting with the faulting instruction =========================================== [ 10.121165][ T196] RSP: 002b:00007ffec325e808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.121168][ T196] RAX: ffffffffffffffda RBX: 00007f4a09c3ff88 RCX: 00007f4a09b0f1b8 [ 10.121169][ T196] RDX: 00007f4a09859fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.121170][ T196] RBP: 00007ffec325e860 R08: 0000000000000000 R09: 0000000000008010 [ 10.121171][ T196] R10: 00007ffec325e620 R11: 0000000000000246 R12: 0000000000000001 [ 10.121172][ T196] R13: 0000000000000000 R14: 00007f4a09c3e680 R15: 00007f4a09c3ffa0 | [ 11.228352][ T239] softirqs last disabled at (18835): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.228355][ T239] Preemption disabled at: | [ 11.228355][ T239] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.228365][ T239] Tainted: [W]=WARN [ 11.228366][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.228368][ T239] Call Trace: [ 11.228369][ T239] [ 11.228371][ T239] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.228376][ T239] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.228378][ T239] __might_resched.cold (kernel/sched/core.c:9234) [ 11.228383][ T239] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.228387][ T239] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.228393][ T239] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.228395][ T239] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.228401][ T239] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.228404][ T239] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.228407][ T239] put_chars (drivers/char/virtio_console.c:1176) [ 11.228410][ T239] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.228411][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.228416][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.228418][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.228423][ T239] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.228426][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.228431][ T239] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.228433][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.228438][ T239] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.228442][ T239] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.228444][ T239] ? 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)) [ 11.228447][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.228450][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.228454][ T239] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.228458][ T239] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.228460][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.228465][ T239] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.228468][ T239] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.228470][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.228472][ T239] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.228476][ T239] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.228477][ T239] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.228481][ T239] vprintk_emit (kernel/printk/printk.c:2479) [ 11.228485][ T239] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.228491][ T239] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.228495][ T239] _printk (kernel/printk/printk.c:2504) [ 11.228499][ T239] ? snapshot_read.cold (user.c:?) [ 11.228505][ T239] ? 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) [ 11.228508][ T239] 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 [ 11.228511][ T239] do_one_initcall (init/main.c:1357) [ 11.228514][ T239] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.228518][ T239] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.228521][ T239] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.228526][ T239] do_init_module (kernel/module/main.c:3117) [ 11.228530][ T239] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.228534][ T239] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.228537][ T239] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.228541][ T239] load_module (kernel/module/main.c:3593) [ 11.228549][ T239] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.228553][ T239] ? __ia32_sys_fsconfig (??:?) [ 11.228556][ T239] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.228560][ T239] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.228563][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.228568][ T239] init_module_from_file (kernel/module/main.c:3790) [ 11.228571][ T239] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.228580][ T239] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.228584][ T239] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.228587][ T239] idempotent_init_module (kernel/module/main.c:3802) [ 11.228591][ T239] ? init_module_from_file (kernel/module/main.c:3791) [ 11.228598][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.228600][ T239] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.228606][ T239] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.228608][ T239] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.228612][ T239] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.228614][ T239] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.228617][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.228619][ T239] RIP: 0033:0x7f7c48b1e37d [ 11.228623][ T239] 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 [ 11.228625][ T239] RSP: 002b:00007ffc50d5ea18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.228627][ T239] RAX: ffffffffffffffda RBX: 0000561594bb7810 RCX: 00007f7c48b1e37d [ 11.228629][ T239] RDX: 0000000000000000 RSI: 00005615760fbffd RDI: 0000000000000000 [ 11.228630][ T239] RBP: 00007ffc50d5eab0 R08: 0000000000000000 R09: 0000000000000000 [ 11.228631][ T239] R10: 0000000000000000 R11: 0000000000000246 R12: 00005615760fbffd [ 11.228632][ T239] R13: 0000561594bb7960 R14: 0000000000040000 R15: 0000000000000000 | [ 12.596200][ T283] softirqs last disabled at (12760): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.596203][ T283] Preemption disabled at: | [ 12.596203][ T283] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.596213][ T283] Tainted: [W]=WARN [ 12.596214][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.596216][ T283] Call Trace: [ 12.596218][ T283] [ 12.596219][ T283] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.596225][ T283] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.596227][ T283] __might_resched.cold (kernel/sched/core.c:9234) [ 12.596231][ T283] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.596236][ 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) [ 12.596241][ 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)) [ 12.596243][ T283] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.596249][ 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) [ 12.596251][ T283] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.596254][ T283] put_chars (drivers/char/virtio_console.c:1176) [ 12.596257][ T283] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.596262][ T283] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.596265][ T283] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.596268][ T283] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.596270][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596272][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596275][ T283] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.596277][ T283] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.596281][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596285][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.596289][ T283] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.596292][ T283] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.596294][ 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)) [ 12.596297][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596300][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.596304][ T283] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.596308][ T283] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.596310][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596315][ T283] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.596317][ T283] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.596319][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596322][ T283] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.596325][ T283] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.596327][ T283] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.596330][ T283] vprintk_emit (kernel/printk/printk.c:2479) [ 12.596335][ T283] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.596337][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.596339][ T283] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.596343][ T283] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.596347][ T283] _printk (kernel/printk/printk.c:2504) [ 12.596350][ T283] ? snapshot_read.cold (user.c:?) [ 12.596354][ T283] ? br_multicast_flood (??:?) bridge [ 12.596367][ T283] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.596368][ T283] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.596369][ T283] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.596374][ T283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.596384][ T283] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.596392][ T283] new_nbp (net/bridge/br_if.c:449) bridge [ 12.596403][ T283] br_add_if (net/bridge/br_if.c:592) bridge [ 12.596410][ T283] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.596415][ T283] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.596418][ T283] ? __kernel_text_address (kernel/extable.c:79) [ 12.596421][ T283] do_set_master (net/core/rtnetlink.c:3071) [ 12.596426][ T283] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.596429][ T283] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.596432][ T283] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.596434][ T283] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.596436][ T283] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.596440][ T283] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.596442][ T283] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.596444][ T283] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.596447][ T283] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.596450][ T283] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.596451][ T283] ? kasan_save_track (mm/kasan/common.c:78) [ 12.596454][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596456][ T283] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.596459][ T283] ? ___sys_sendmsg (net/socket.c:2757) [ 12.596464][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.596466][ T283] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.596468][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596470][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.596472][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596474][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596476][ T283] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.596480][ 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) [ 12.596481][ T283] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.596484][ T283] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.596487][ T283] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.596489][ T283] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.596494][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.596499][ T283] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.596508][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.596511][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596516][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.596518][ T283] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.596520][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.596522][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.596526][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.596528][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.596531][ T283] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.596532][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596536][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.596538][ T283] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.596542][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.596544][ T283] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.596546][ T283] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.596553][ 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)) [ 12.596554][ 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)) [ 12.596558][ T283] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.596563][ T283] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.596565][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.596570][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.596573][ T283] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.596577][ T283] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.596583][ T283] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.596585][ T283] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.596587][ T283] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.596589][ T283] ? move_addr_to_kernel (net/socket.c:258) [ 12.596596][ T283] ___sys_sendmsg (net/socket.c:2767) [ 12.596599][ T283] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.596615][ T283] __sys_sendmsg (net/socket.c:2799) [ 12.596618][ T283] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.596624][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.596628][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.596630][ T283] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.596633][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.596636][ T283] RIP: 0033:0x7f5e3bfaa54e [ 12.596639][ 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 [ 12.596641][ T283] RSP: 002b:00007ffd30f07700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.596644][ T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5e3bfaa54e [ 12.596646][ T283] RDX: 0000000000000000 RSI: 00007ffd30f077b0 RDI: 0000000000000005 [ 12.596646][ T283] RBP: 00007ffd30f07710 R08: 0000000000000000 R09: 0000000000000000 [ 12.596647][ T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91635f [ 12.596648][ T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd30f07e70 | [ 14.405645][ T341] softirqs last disabled at (24994): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.405648][ T341] Preemption disabled at: | [ 14.405648][ T341] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.405658][ T341] Tainted: [W]=WARN [ 14.405659][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.405660][ T341] Call Trace: [ 14.405662][ T341] [ 14.405663][ T341] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.405669][ T341] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.405671][ T341] __might_resched.cold (kernel/sched/core.c:9234) [ 14.405676][ T341] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.405680][ T341] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.405686][ T341] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.405688][ T341] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.405694][ T341] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.405696][ T341] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.405700][ T341] put_chars (drivers/char/virtio_console.c:1176) [ 14.405702][ T341] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.405704][ T341] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.405707][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.405711][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.405713][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.405717][ T341] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.405720][ T341] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.405722][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.405723][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.405727][ T341] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.405729][ T341] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.405732][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.405735][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.405739][ T341] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.405743][ T341] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.405745][ T341] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.405748][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.405750][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.405754][ T341] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.405758][ T341] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.405760][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.405766][ T341] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.405769][ T341] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.405770][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.405773][ T341] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.405777][ T341] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.405778][ T341] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.405782][ T341] vprintk_emit (kernel/printk/printk.c:2479) [ 14.405786][ T341] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.405789][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.405791][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.405795][ T341] _printk (kernel/printk/printk.c:2504) [ 14.405799][ T341] ? snapshot_read.cold (user.c:?) [ 14.405803][ T341] ? br_multicast_flood (??:?) bridge [ 14.405816][ T341] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.405818][ T341] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.405819][ T341] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.405824][ T341] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.405834][ T341] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.405843][ T341] new_nbp (net/bridge/br_if.c:449) bridge [ 14.405853][ T341] br_add_if (net/bridge/br_if.c:592) bridge [ 14.405860][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.405864][ T341] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.405867][ T341] ? __kernel_text_address (kernel/extable.c:79) [ 14.405871][ T341] do_set_master (net/core/rtnetlink.c:3071) [ 14.405875][ T341] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.405878][ T341] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.405881][ T341] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.405883][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.405885][ T341] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.405888][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.405891][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.405893][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.405895][ T341] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.405898][ T341] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.405900][ T341] ? kasan_save_track (mm/kasan/common.c:78) [ 14.405902][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.405904][ T341] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.405907][ T341] ? ___sys_sendmsg (net/socket.c:2757) [ 14.405912][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.405914][ T341] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.405916][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.405919][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.405921][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.405922][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.405925][ T341] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.405929][ T341] ? __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) [ 14.405932][ T341] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.405934][ T341] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.405937][ T341] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.405939][ T341] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.405944][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.405949][ T341] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.405955][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.405956][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.405961][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.405963][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.405965][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.405967][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.405970][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.405972][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.405975][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.405977][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.405981][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.405983][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.405986][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.405988][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.405991][ T341] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.405997][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.405999][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.406003][ T341] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.406007][ T341] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.406009][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.406013][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.406017][ T341] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.406021][ T341] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.406026][ T341] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.406028][ T341] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.406031][ T341] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.406032][ T341] ? move_addr_to_kernel (net/socket.c:258) [ 14.406047][ T341] ___sys_sendmsg (net/socket.c:2767) [ 14.406050][ T341] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.406065][ T341] __sys_sendmsg (net/socket.c:2799) [ 14.406068][ T341] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.406074][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.406078][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.406080][ T341] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.406084][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.406086][ T341] RIP: 0033:0x7f083e16554e [ 14.406090][ T341] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.406092][ T341] RSP: 002b:00007ffc88d840d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.406095][ T341] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f083e16554e [ 14.406097][ T341] RDX: 0000000000000000 RSI: 00007ffc88d84180 RDI: 0000000000000005 [ 14.406098][ T341] RBP: 00007ffc88d840e0 R08: 0000000000000000 R09: 0000000000000000 [ 14.406098][ T341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916360 [ 14.406099][ T341] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88d84840 | [ 15.880029][ T394] softirqs last disabled at (26698): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.880032][ T394] Preemption disabled at: | [ 15.880033][ T394] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.880049][ T394] Tainted: [W]=WARN [ 15.880050][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.880052][ T394] Call Trace: [ 15.880054][ T394] [ 15.880055][ T394] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.880061][ T394] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.880063][ T394] __might_resched.cold (kernel/sched/core.c:9234) [ 15.880068][ T394] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.880073][ T394] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.880078][ T394] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.880080][ T394] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.880086][ T394] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.880089][ T394] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.880092][ T394] put_chars (drivers/char/virtio_console.c:1176) [ 15.880094][ T394] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.880097][ T394] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.880100][ T394] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.880107][ T394] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.880110][ T394] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.880114][ T394] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.880117][ T394] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.880119][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880120][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880124][ T394] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.880126][ T394] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.880130][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880132][ T394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.880136][ T394] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.880140][ T394] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.880142][ T394] ? 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)) [ 15.880145][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880148][ T394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.880152][ T394] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.880156][ T394] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.880158][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880163][ T394] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.880166][ T394] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.880168][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880170][ T394] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.880174][ T394] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.880175][ T394] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.880179][ T394] vprintk_emit (kernel/printk/printk.c:2479) [ 15.880183][ T394] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.880186][ T394] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.880188][ T394] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.880192][ T394] _printk (kernel/printk/printk.c:2504) [ 15.880196][ T394] ? snapshot_read.cold (user.c:?) [ 15.880200][ T394] ? br_multicast_flood (??:?) bridge [ 15.880213][ T394] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.880214][ T394] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.880216][ T394] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.880220][ T394] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.880231][ T394] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.880240][ T394] new_nbp (net/bridge/br_if.c:449) bridge [ 15.880249][ T394] br_add_if (net/bridge/br_if.c:592) bridge [ 15.880257][ T394] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.880261][ T394] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.880264][ T394] ? __kernel_text_address (kernel/extable.c:79) [ 15.880268][ T394] do_set_master (net/core/rtnetlink.c:3071) [ 15.880272][ T394] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.880276][ T394] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.880279][ T394] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.880280][ T394] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.880282][ T394] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.880286][ T394] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.880289][ T394] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.880290][ T394] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.880293][ T394] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.880296][ T394] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.880298][ T394] ? kasan_save_track (mm/kasan/common.c:78) [ 15.880301][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880303][ T394] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.880306][ T394] ? ___sys_sendmsg (net/socket.c:2757) [ 15.880311][ T394] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.880313][ T394] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.880315][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880318][ T394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.880319][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880321][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880323][ T394] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.880327][ T394] ? __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) [ 15.880330][ T394] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.880333][ T394] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.880336][ T394] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.880338][ T394] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.880343][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.880348][ T394] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.880353][ T394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.880355][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880360][ T394] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.880362][ T394] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.880364][ T394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.880366][ T394] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.880369][ T394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.880372][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.880375][ T394] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.880376][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880381][ T394] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.880382][ T394] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.880386][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.880388][ T394] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.880391][ T394] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.880397][ T394] ? 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)) [ 15.880399][ T394] ? 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)) [ 15.880403][ T394] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.880407][ T394] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.880409][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.880414][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.880417][ T394] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.880421][ T394] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.880427][ T394] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.880429][ T394] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.880431][ T394] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.880433][ T394] ? move_addr_to_kernel (net/socket.c:258) [ 15.880441][ T394] ___sys_sendmsg (net/socket.c:2767) [ 15.880443][ T394] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.880459][ T394] __sys_sendmsg (net/socket.c:2799) [ 15.880462][ T394] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.880468][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.880472][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.880474][ T394] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.880478][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.880480][ T394] RIP: 0033:0x7efc4be7c54e [ 15.880483][ T394] 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 [ 15.880485][ T394] RSP: 002b:00007ffdb4d9a760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.880488][ T394] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efc4be7c54e [ 15.880490][ T394] RDX: 0000000000000000 RSI: 00007ffdb4d9a810 RDI: 0000000000000005 [ 15.880491][ T394] RBP: 00007ffdb4d9a770 R08: 0000000000000000 R09: 0000000000000000 [ 15.880491][ T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916362 [ 15.880492][ T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb4d9aed0 | [ 17.050521][ T452] softirqs last disabled at (12236): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:119) bridge | [ 17.050534][ T452] Preemption disabled at: | [ 17.050535][ T452] 0x0 | [ 17.050547][ T452] Tainted: [W]=WARN [ 17.050549][ T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.050551][ T452] Call Trace: [ 17.050553][ T452] [ 17.050556][ T452] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.050565][ T452] __might_resched.cold (kernel/sched/core.c:9234) [ 17.050572][ T452] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.050578][ T452] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.050586][ T452] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.050590][ T452] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.050599][ T452] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.050602][ T452] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.050608][ T452] put_chars (drivers/char/virtio_console.c:1176) [ 17.050610][ T452] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 17.050614][ T452] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.050620][ T452] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.050625][ T452] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.050629][ T452] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.050635][ T452] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.050640][ T452] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.050643][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.050645][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.050652][ T452] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.050656][ T452] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.050662][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.050665][ T452] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.050672][ T452] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.050679][ T452] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.050682][ T452] ? 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)) [ 17.050687][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.050691][ T452] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.050698][ T452] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.050705][ T452] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.050708][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.050718][ T452] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.050722][ T452] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.050725][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.050729][ T452] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.050736][ T452] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.050738][ T452] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.050744][ T452] vprintk_emit (kernel/printk/printk.c:2479) [ 17.050751][ T452] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.050755][ T452] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.050760][ T452] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.050766][ T452] _printk (kernel/printk/printk.c:2504) [ 17.050771][ T452] ? snapshot_read.cold (user.c:?) [ 17.050781][ T452] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.050788][ T452] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 17.050808][ T452] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 17.050824][ T452] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 17.050838][ T452] br_device_event (net/bridge/br.c:120) bridge [ 17.050854][ T452] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 17.050857][ T452] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 17.050868][ T452] notifier_call_chain (kernel/notifier.c:85) [ 17.050878][ T452] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 17.050885][ T452] ? netif_change_name (net/core/dev.c:1517) [ 17.050891][ T452] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 17.050894][ T452] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 17.050899][ T452] ? __kernel_text_address (kernel/extable.c:79) [ 17.050901][ T452] ? write_profile (profile.c:?) [ 17.050904][ T452] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 17.050912][ T452] netif_change_flags (net/core/dev.c:9882) [ 17.050918][ T452] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.050925][ T452] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.050928][ T452] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.050931][ T452] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.050934][ T452] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.050938][ T452] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.050942][ T452] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.050945][ T452] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.050950][ T452] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.050954][ T452] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.050956][ T452] ? kasan_save_track (mm/kasan/common.c:78) [ 17.050961][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.050964][ T452] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 17.050967][ T452] ? ___sys_sendmsg (net/socket.c:2757) [ 17.050974][ T452] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.050977][ T452] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.050981][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.050985][ T452] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.050988][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.050990][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.050994][ T452] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.051000][ T452] ? __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) [ 17.051003][ T452] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.051007][ T452] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.051013][ T452] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.051023][ T452] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.051032][ T452] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.051049][ T452] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.051053][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.051060][ T452] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.051064][ T452] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.051067][ T452] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.051070][ T452] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.051077][ T452] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.051080][ T452] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.051086][ T452] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.051088][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.051096][ T452] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.051099][ T452] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.051107][ T452] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.051110][ T452] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.051115][ T452] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.051126][ T452] ? 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)) [ 17.051129][ T452] ? 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)) [ 17.051137][ T452] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.051144][ T452] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.051148][ T452] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.051155][ T452] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.051162][ T452] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.051168][ T452] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.051177][ T452] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.051181][ T452] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.051184][ T452] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.051187][ T452] ? move_addr_to_kernel (net/socket.c:258) [ 17.051200][ T452] ___sys_sendmsg (net/socket.c:2767) [ 17.051205][ T452] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.051236][ T452] __sys_sendmsg (net/socket.c:2799) [ 17.051241][ T452] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.051252][ T452] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.051259][ T452] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.051262][ T452] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.051268][ T452] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.051271][ T452] RIP: 0033:0x7f4ce266d54e [ 17.051276][ T452] 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 [ 17.051278][ T452] RSP: 002b:00007ffdc9ffddc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.051284][ T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4ce266d54e [ 17.051286][ T452] RDX: 0000000000000000 RSI: 00007ffdc9ffde70 RDI: 0000000000000005 [ 17.051288][ T452] RBP: 00007ffdc9ffddd0 R08: 0000000000000000 R09: 0000000000000000 [ 17.051289][ T452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916363 [ 17.051291][ T452] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc9ffe530 | [ 17.341415][ C1] | [ 17.341416][ C1] | [ 17.341416][ C1] stack backtrace: | [ 17.341422][ C1] Tainted: [W]=WARN [ 17.341422][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.341424][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 17.341427][ C1] Call Trace: [ 17.341429][ C1] [ 17.341430][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.341434][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.341436][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.341438][ C1] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 17.341441][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 17.341442][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 17.341444][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.341446][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.341448][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.341450][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341453][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.341455][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.341457][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.341458][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.341460][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.341462][ 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)) [ 17.341464][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341466][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.341468][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.341470][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.341471][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.341474][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.341475][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.341477][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341479][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.341481][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.341482][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.341484][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 17.341486][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.341488][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.341490][ C1] _printk (kernel/printk/printk.c:2504) [ 17.341492][ C1] ? snapshot_read.cold (user.c:?) [ 17.341493][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.341497][ C1] ? idr_get_free (??:?) [ 17.341499][ C1] addrconf_dad_failure.cold (net/ipv6/addrconf.c:2187 (discriminator 4)) [ 17.341501][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.341503][ C1] ? inet6_rtm_newaddr (net/ipv6/addrconf.c:5042 (discriminator 2)) [ 17.341505][ C1] ? ipv6_get_ifaddr (./include/linux/rcupdate.h:882 net/ipv6/addrconf.c:2118) [ 17.341507][ C1] ? addrconf_dad_work (./include/net/ipv6.h:593) [ 17.341508][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.341511][ C1] ? ndisc_parse_options.part.0 (net/ipv6/ndisc.c:228) [ 17.341513][ C1] ndisc_recv_ns (net/ipv6/ndisc.c:867) [ 17.341514][ C1] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 17.341516][ C1] ? ndisc_netdev_event (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.341518][ 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)) [ 17.341521][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.341522][ C1] ? ndisc_rcv (net/ipv6/ndisc.c:1835) [ 17.341523][ C1] icmpv6_rcv (net/ipv6/icmp.c:1193) [ 17.341526][ C1] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) [ 17.341529][ C1] ip6_input_finish (net/ipv6/ip6_input.c:534) [ 17.341530][ C1] ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545) [ 17.341532][ C1] ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46)) [ 17.341534][ C1] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/mcast.c:1076 (discriminator 2)) [ 17.341536][ C1] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:882 net/ipv6/mcast.c:1076) [ 17.341538][ C1] ip6_mc_input (net/ipv6/ip6_input.c:636) [ 17.341540][ C1] ? ip6_input (./include/linux/rcupdate.h:878 (discriminator 3)) [ 17.341541][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.341542][ C1] ? ip6_rcv_core (./include/linux/rcupdate.h:882 net/ipv6/ip6_input.c:328) [ 17.341545][ 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)) [ 17.341546][ C1] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96)) [ 17.341548][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.341549][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.341551][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.341553][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 17.341555][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.341556][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.341558][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 17.341560][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341563][ C1] process_backlog (net/core/dev.c:6728) [ 17.341565][ C1] __napi_poll (net/core/dev.c:7787) [ 17.341568][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.341570][ C1] ? __napi_poll (./include/net/gro.h:507) [ 17.341573][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.341574][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.341576][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.341579][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341581][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.341583][ C1] handle_softirqs (kernel/softirq.c:645) [ 17.341585][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.341586][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.341588][ 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)) [ 17.341590][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.341591][ C1] [ 17.341591][ C1] [ 17.341592][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.341594][ 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)) [ 17.341596][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.341598][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 17.341600][ C1] ? eth_header (net/ethernet/eth.c:99) [ 17.341605][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 17.341607][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 17.341608][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.341610][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.341612][ 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)) [ 17.341613][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 17.341615][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 17.341617][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 17.341618][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.341619][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.341621][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.341622][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 17.341624][ 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)) [ 17.341627][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.341629][ C1] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 17.341632][ C1] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 17.341633][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.341635][ C1] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 17.341636][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.341638][ C1] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 17.341639][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.341640][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.341642][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.341644][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 17.341646][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 17.341648][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341650][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341651][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.341653][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.341655][ C1] process_one_work (kernel/workqueue.c:3387) [ 17.341658][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.341660][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.341662][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.341664][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.341666][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.341668][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.341670][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.341671][ C1] kthread (kernel/kthread.c:436) [ 17.341673][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.341674][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.341676][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.341677][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.341679][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.341681][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.341683][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.938399][ T72] softirqs last disabled at (37909): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 24.938403][ T72] Preemption disabled at: | [ 24.938403][ T72] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.938413][ T72] Tainted: [W]=WARN [ 24.938414][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.938416][ T72] Workqueue: netns cleanup_net [ 24.938421][ T72] Call Trace: [ 24.938422][ T72] [ 24.938424][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.938429][ T72] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.938431][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 24.938435][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.938438][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938442][ T72] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 24.938445][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.938448][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.938452][ T72] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.938453][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.938455][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 24.938457][ T72] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 24.938459][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.938461][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 24.938463][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.938467][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.938468][ T72] ? 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) [ 24.938470][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.938471][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938473][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938475][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.938477][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.938479][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.938481][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938483][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938484][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938486][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.938488][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.938490][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.938492][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.938495][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.938497][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.938498][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.938500][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938501][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.938503][ T72] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.938504][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 24.938506][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.938508][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.938510][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 24.938512][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.938514][ T72] ? process_one_work (kernel/workqueue.c:3387) [ 24.938517][ T72] ? kthread (kernel/kthread.c:436) [ 24.938519][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 24.938521][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 24.938523][ T72] _printk (kernel/printk/printk.c:2504) [ 24.938527][ T72] ? snapshot_read.cold (user.c:?) [ 24.938529][ T72] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.938532][ T72] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.938534][ T72] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.938535][ T72] ? netdev_notice (net/core/dev.c:13194) [ 24.938537][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938539][ T72] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 24.938541][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 24.938543][ T72] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 24.938545][ T72] ? 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) [ 24.938548][ T72] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 24.938551][ T72] dev_set_allmulti (net/core/dev_api.c:315) [ 24.938553][ T72] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 24.938567][ T72] br_dev_delete (net/bridge/br_if.c:387) bridge [ 24.938575][ T72] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 24.938582][ T72] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 24.938584][ T72] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 24.938586][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 24.938590][ T72] cleanup_net (net/core/net_namespace.c:706) [ 24.938592][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 24.938594][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.938596][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.938598][ T72] process_one_work (kernel/workqueue.c:3387) [ 24.938601][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.938604][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.938606][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.938608][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.938610][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.938611][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.938613][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.938615][ T72] kthread (kernel/kthread.c:436) [ 24.938616][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.938618][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.938619][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.938621][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.938623][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.938625][ T72] ? 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 br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars