====================================== | [ 9.949396][ T180] softirqs last disabled at (14419): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.949399][ T180] Preemption disabled at: | [ 9.949400][ T180] 0x0 | [ 9.949413][ T180] Tainted: [W]=WARN [ 9.949414][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.949417][ T180] Call Trace: [ 9.949419][ T180] [ 9.949421][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.949429][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.949435][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.949441][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.949448][ T180] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.949451][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.949460][ T180] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.949463][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.949468][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.949473][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.949475][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.949481][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.949490][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.949500][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.949503][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.949507][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.949513][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.949519][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.949522][ T180] ? 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)) [ 9.949527][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.949530][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.949537][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.949543][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.949546][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.949554][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.949559][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.949561][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.949565][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.949571][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.949573][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.949579][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.949584][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.949590][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.949596][ T180] _printk (kernel/printk/printk.c:2504) [ 9.949601][ T180] ? snapshot_read.cold (user.c:?) [ 9.949605][ T180] ? 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) [ 9.949609][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.949615][ T180] ? 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) [ 9.949620][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.949625][ T180] ? exit_notify (kernel/exit.c:780) [ 9.949628][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.949632][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.949639][ T180] do_group_exit (kernel/exit.c:1151) [ 9.949643][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.949646][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.949649][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.949653][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.949658][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.949662][ T180] RIP: 0033:0x7f8b018a71b8 [ 9.949664][ T180] Code: Unable to access opcode bytes at 0x7f8b018a718e. Code starting with the faulting instruction =========================================== [ 9.949666][ T180] RSP: 002b:00007ffe9d65bfc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.949669][ T180] RAX: ffffffffffffffda RBX: 00007f8b019d7f88 RCX: 00007f8b018a71b8 [ 9.949671][ T180] RDX: 00007f8b01704b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 9.949673][ T180] RBP: 00007ffe9d65c020 R08: 0000000000000000 R09: 0000000000001010 [ 9.949674][ T180] R10: 00007ffe9d65be40 R11: 0000000000000246 R12: 0000000000000002 [ 9.949676][ T180] R13: 0000000000000000 R14: 00007f8b019d6680 R15: 00007f8b019d7fa0 | [ 11.676216][ T237] softirqs last disabled at (19077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.676219][ T237] Preemption disabled at: | [ 11.676219][ T237] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.676229][ T237] Tainted: [W]=WARN [ 11.676230][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.676232][ T237] Call Trace: [ 11.676234][ T237] [ 11.676235][ T237] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.676240][ T237] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.676243][ T237] __might_resched.cold (kernel/sched/core.c:9234) [ 11.676248][ T237] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.676252][ T237] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.676257][ T237] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.676259][ T237] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.676264][ T237] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.676267][ T237] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.676270][ T237] put_chars (drivers/char/virtio_console.c:1176) [ 11.676273][ T237] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.676274][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.676279][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.676281][ T237] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.676285][ T237] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.676288][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.676293][ T237] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.676296][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676301][ T237] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.676304][ T237] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.676306][ T237] ? 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)) [ 11.676309][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676312][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.676316][ T237] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.676320][ T237] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.676322][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.676327][ T237] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.676330][ T237] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.676331][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676334][ T237] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.676337][ T237] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.676339][ T237] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.676342][ T237] vprintk_emit (kernel/printk/printk.c:2479) [ 11.676347][ T237] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.676352][ T237] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.676356][ T237] _printk (kernel/printk/printk.c:2504) [ 11.676360][ T237] ? snapshot_read.cold (user.c:?) [ 11.676366][ T237] ? 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) [ 11.676369][ T237] 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 [ 11.676372][ T237] do_one_initcall (init/main.c:1357) [ 11.676375][ T237] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.676379][ T237] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.676382][ T237] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.676387][ T237] do_init_module (kernel/module/main.c:3117) [ 11.676391][ T237] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.676395][ T237] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.676398][ T237] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.676402][ T237] load_module (kernel/module/main.c:3593) [ 11.676409][ T237] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.676413][ T237] ? __ia32_sys_fsconfig (??:?) [ 11.676416][ T237] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.676420][ T237] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.676423][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.676427][ T237] init_module_from_file (kernel/module/main.c:3790) [ 11.676430][ T237] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.676438][ T237] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.676442][ T237] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.676445][ T237] idempotent_init_module (kernel/module/main.c:3802) [ 11.676448][ T237] ? init_module_from_file (kernel/module/main.c:3791) [ 11.676454][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676457][ T237] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.676463][ T237] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.676465][ T237] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.676468][ T237] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.676470][ T237] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.676473][ T237] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.676476][ T237] RIP: 0033:0x7f84cfb1637d [ 11.676479][ T237] 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 [ 11.676481][ T237] RSP: 002b:00007ffde7957348 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.676484][ T237] RAX: ffffffffffffffda RBX: 00005610f11fc810 RCX: 00007f84cfb1637d [ 11.676485][ T237] RDX: 0000000000000000 RSI: 00005610e05fdffd RDI: 0000000000000000 [ 11.676486][ T237] RBP: 00007ffde79573e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.676487][ T237] R10: 0000000000000000 R11: 0000000000000246 R12: 00005610e05fdffd [ 11.676488][ T237] R13: 00005610f11fc960 R14: 0000000000040000 R15: 0000000000000000 | [ 12.880136][ T283] softirqs last disabled at (16114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.880139][ T283] Preemption disabled at: | [ 12.880139][ T283] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.880149][ T283] Tainted: [W]=WARN [ 12.880150][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.880151][ T283] Call Trace: [ 12.880153][ T283] [ 12.880155][ T283] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.880160][ T283] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.880163][ T283] __might_resched.cold (kernel/sched/core.c:9234) [ 12.880167][ T283] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.880171][ 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) [ 12.880177][ 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)) [ 12.880179][ T283] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.880185][ 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) [ 12.880187][ T283] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.880191][ T283] put_chars (drivers/char/virtio_console.c:1176) [ 12.880193][ T283] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.880198][ T283] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.880202][ T283] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.880204][ T283] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.880206][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880208][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880212][ T283] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.880214][ T283] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.880217][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880221][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.880225][ T283] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.880229][ T283] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.880231][ 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)) [ 12.880234][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880237][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.880241][ T283] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.880245][ T283] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.880247][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880252][ T283] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.880255][ T283] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.880257][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880259][ T283] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.880263][ T283] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.880265][ T283] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.880268][ T283] vprintk_emit (kernel/printk/printk.c:2479) [ 12.880273][ T283] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.880275][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.880277][ T283] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.880281][ T283] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.880285][ T283] _printk (kernel/printk/printk.c:2504) [ 12.880288][ T283] ? snapshot_read.cold (user.c:?) [ 12.880292][ T283] ? br_multicast_flood (??:?) bridge [ 12.880307][ T283] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.880308][ T283] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.880310][ T283] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.880314][ T283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.880327][ T283] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.880336][ T283] new_nbp (net/bridge/br_if.c:449) bridge [ 12.880346][ T283] br_add_if (net/bridge/br_if.c:592) bridge [ 12.880354][ T283] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.880358][ T283] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.880361][ T283] ? __kernel_text_address (kernel/extable.c:79) [ 12.880365][ T283] do_set_master (net/core/rtnetlink.c:3071) [ 12.880369][ T283] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.880373][ T283] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.880376][ T283] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.880377][ T283] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.880380][ T283] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.880383][ T283] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.880386][ T283] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.880388][ T283] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.880391][ T283] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.880394][ T283] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.880395][ T283] ? kasan_save_track (mm/kasan/common.c:78) [ 12.880398][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880400][ T283] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.880403][ T283] ? ___sys_sendmsg (net/socket.c:2757) [ 12.880408][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.880410][ T283] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.880412][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880415][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.880416][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880418][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880420][ T283] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.880424][ 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) [ 12.880426][ T283] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.880428][ T283] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.880431][ T283] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.880433][ T283] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.880438][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.880443][ T283] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.880449][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.880451][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880455][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.880457][ T283] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.880459][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.880461][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.880465][ T283] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.880467][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.880470][ T283] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.880471][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880476][ T283] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.880477][ T283] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.880481][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.880483][ T283] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.880486][ T283] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.880492][ 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)) [ 12.880493][ 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)) [ 12.880498][ T283] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.880502][ T283] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.880504][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.880508][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.880512][ T283] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.880516][ T283] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.880521][ T283] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.880524][ T283] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.880526][ T283] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.880528][ T283] ? move_addr_to_kernel (net/socket.c:258) [ 12.880535][ T283] ___sys_sendmsg (net/socket.c:2767) [ 12.880538][ T283] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.880554][ T283] __sys_sendmsg (net/socket.c:2799) [ 12.880557][ T283] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.880563][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.880567][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.880569][ T283] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.880572][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.880574][ T283] RIP: 0033:0x7f4e4e02954e [ 12.880578][ 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 [ 12.880580][ T283] RSP: 002b:00007ffe1ad53b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.880582][ T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4e4e02954e [ 12.880584][ T283] RDX: 0000000000000000 RSI: 00007ffe1ad53be0 RDI: 0000000000000005 [ 12.880585][ T283] RBP: 00007ffe1ad53b40 R08: 0000000000000000 R09: 0000000000000000 [ 12.880586][ T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91105f [ 12.880587][ T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1ad542a0 | [ 14.443350][ T341] softirqs last disabled at (14640): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.443353][ T341] Preemption disabled at: | [ 14.443354][ T341] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.443363][ T341] Tainted: [W]=WARN [ 14.443364][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.443366][ T341] Call Trace: [ 14.443368][ T341] [ 14.443369][ T341] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.443376][ T341] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.443379][ T341] __might_resched.cold (kernel/sched/core.c:9234) [ 14.443384][ T341] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.443388][ 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) [ 14.443393][ 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)) [ 14.443395][ T341] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.443401][ 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) [ 14.443404][ T341] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.443407][ T341] put_chars (drivers/char/virtio_console.c:1176) [ 14.443409][ T341] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.443412][ T341] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.443415][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.443419][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.443422][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.443425][ T341] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.443428][ T341] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.443430][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443432][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443436][ T341] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.443438][ T341] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.443441][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443444][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.443448][ T341] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.443452][ T341] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.443454][ 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)) [ 14.443457][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443459][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.443464][ T341] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.443468][ T341] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.443470][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443475][ T341] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.443478][ T341] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.443480][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443482][ T341] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.443486][ T341] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.443488][ T341] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.443492][ T341] vprintk_emit (kernel/printk/printk.c:2479) [ 14.443496][ T341] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.443499][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.443502][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.443505][ T341] _printk (kernel/printk/printk.c:2504) [ 14.443509][ T341] ? snapshot_read.cold (user.c:?) [ 14.443513][ T341] ? br_multicast_flood (??:?) bridge [ 14.443528][ T341] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.443529][ T341] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.443530][ T341] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.443535][ T341] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.443546][ T341] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.443554][ T341] new_nbp (net/bridge/br_if.c:449) bridge [ 14.443564][ T341] br_add_if (net/bridge/br_if.c:592) bridge [ 14.443571][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.443575][ T341] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.443578][ T341] ? __kernel_text_address (kernel/extable.c:79) [ 14.443582][ T341] do_set_master (net/core/rtnetlink.c:3071) [ 14.443587][ T341] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.443590][ T341] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.443594][ T341] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.443595][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.443597][ T341] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.443601][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.443603][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.443605][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.443608][ T341] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.443611][ T341] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.443612][ T341] ? kasan_save_track (mm/kasan/common.c:78) [ 14.443615][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443617][ T341] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.443620][ T341] ? ___sys_sendmsg (net/socket.c:2757) [ 14.443625][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.443627][ T341] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.443629][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443632][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.443633][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443635][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443638][ T341] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.443642][ 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) [ 14.443645][ T341] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.443647][ T341] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.443651][ T341] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.443652][ T341] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.443657][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.443662][ T341] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.443668][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.443670][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443674][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.443676][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.443678][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.443680][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.443684][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.443686][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.443689][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.443690][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443694][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.443696][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.443700][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.443702][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.443705][ T341] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.443711][ 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)) [ 14.443712][ 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)) [ 14.443717][ T341] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.443720][ T341] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.443723][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.443727][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.443731][ T341] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.443740][ T341] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.443745][ T341] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.443748][ T341] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.443750][ T341] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.443752][ T341] ? move_addr_to_kernel (net/socket.c:258) [ 14.443759][ T341] ___sys_sendmsg (net/socket.c:2767) [ 14.443762][ T341] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.443778][ T341] __sys_sendmsg (net/socket.c:2799) [ 14.443781][ T341] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.443787][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.443791][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.443793][ T341] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.443796][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.443799][ T341] RIP: 0033:0x7fd941e0254e [ 14.443802][ 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 [ 14.443804][ T341] RSP: 002b:00007ffc97bc45d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.443807][ T341] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd941e0254e [ 14.443808][ T341] RDX: 0000000000000000 RSI: 00007ffc97bc4680 RDI: 0000000000000005 [ 14.443809][ T341] RBP: 00007ffc97bc45e0 R08: 0000000000000000 R09: 0000000000000000 [ 14.443810][ T341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911060 [ 14.443811][ T341] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97bc4d40 | [ 15.757462][ T394] softirqs last disabled at (11402): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.757464][ T394] Preemption disabled at: | [ 15.757465][ T394] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.757474][ T394] Tainted: [W]=WARN [ 15.757475][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.757477][ T394] Call Trace: [ 15.757478][ T394] [ 15.757480][ T394] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.757486][ T394] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.757489][ T394] __might_resched.cold (kernel/sched/core.c:9234) [ 15.757493][ T394] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.757498][ 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) [ 15.757503][ 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)) [ 15.757505][ T394] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.757511][ 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) [ 15.757514][ T394] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.757517][ T394] put_chars (drivers/char/virtio_console.c:1176) [ 15.757519][ T394] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.757522][ T394] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.757525][ T394] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.757529][ T394] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.757532][ T394] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.757535][ T394] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.757538][ T394] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.757540][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757541][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757546][ T394] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.757548][ T394] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.757551][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757553][ T394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.757557][ T394] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.757561][ T394] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.757563][ 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)) [ 15.757566][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757569][ T394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.757573][ T394] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.757577][ T394] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.757579][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757584][ T394] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.757587][ T394] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.757589][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757591][ T394] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.757595][ T394] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.757597][ T394] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.757600][ T394] vprintk_emit (kernel/printk/printk.c:2479) [ 15.757605][ T394] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.757607][ T394] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.757610][ T394] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.757613][ T394] _printk (kernel/printk/printk.c:2504) [ 15.757617][ T394] ? snapshot_read.cold (user.c:?) [ 15.757621][ T394] ? br_multicast_flood (??:?) bridge [ 15.757636][ T394] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.757637][ T394] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.757638][ T394] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.757643][ T394] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.757656][ T394] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.757665][ T394] new_nbp (net/bridge/br_if.c:449) bridge [ 15.757675][ T394] br_add_if (net/bridge/br_if.c:592) bridge [ 15.757682][ T394] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.757687][ T394] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.757689][ T394] ? __kernel_text_address (kernel/extable.c:79) [ 15.757693][ T394] do_set_master (net/core/rtnetlink.c:3071) [ 15.757698][ T394] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.757701][ T394] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.757704][ T394] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.757706][ T394] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.757707][ T394] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.757711][ T394] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.757714][ T394] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.757715][ T394] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.757718][ T394] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.757721][ T394] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.757723][ T394] ? kasan_save_track (mm/kasan/common.c:78) [ 15.757725][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757727][ T394] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.757730][ T394] ? ___sys_sendmsg (net/socket.c:2757) [ 15.757734][ T394] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.757736][ T394] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.757739][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757747][ T394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.757749][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757750][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757753][ T394] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.757757][ 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) [ 15.757760][ T394] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.757762][ T394] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.757765][ T394] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.757767][ T394] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.757772][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.757777][ T394] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.757782][ T394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.757784][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757788][ T394] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.757790][ T394] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.757793][ T394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.757794][ T394] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.757798][ T394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.757800][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.757803][ T394] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.757805][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757809][ T394] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.757811][ T394] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.757814][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.757816][ T394] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.757819][ T394] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.757825][ 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)) [ 15.757827][ 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)) [ 15.757831][ T394] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.757835][ T394] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.757837][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.757842][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.757845][ T394] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.757849][ T394] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.757855][ T394] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.757857][ T394] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.757859][ T394] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.757861][ T394] ? move_addr_to_kernel (net/socket.c:258) [ 15.757868][ T394] ___sys_sendmsg (net/socket.c:2767) [ 15.757871][ T394] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.757887][ T394] __sys_sendmsg (net/socket.c:2799) [ 15.757890][ T394] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.757899][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.757902][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.757905][ T394] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.757908][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.757910][ T394] RIP: 0033:0x7fc8af60854e [ 15.757913][ 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 [ 15.757915][ T394] RSP: 002b:00007ffea4262ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.757918][ T394] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc8af60854e [ 15.757919][ T394] RDX: 0000000000000000 RSI: 00007ffea4262c50 RDI: 0000000000000005 [ 15.757920][ T394] RBP: 00007ffea4262bb0 R08: 0000000000000000 R09: 0000000000000000 [ 15.757921][ T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911062 [ 15.757922][ T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea4263310 | [ 16.835761][ T439] softirqs last disabled at (18148): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 16.835764][ T439] Preemption disabled at: | [ 16.835765][ T439] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.835774][ T439] Tainted: [W]=WARN [ 16.835775][ T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.835777][ T439] Call Trace: [ 16.835778][ T439] [ 16.835780][ T439] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.835786][ T439] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.835788][ T439] __might_resched.cold (kernel/sched/core.c:9234) [ 16.835793][ T439] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.835797][ T439] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.835802][ T439] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.835805][ T439] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.835810][ T439] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.835813][ T439] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.835816][ T439] put_chars (drivers/char/virtio_console.c:1176) [ 16.835818][ T439] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 16.835820][ T439] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.835823][ T439] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.835828][ T439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.835830][ T439] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.835834][ T439] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.835836][ T439] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.835838][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.835840][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.835844][ T439] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.835846][ T439] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.835849][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.835852][ T439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.835856][ T439] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.835860][ T439] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.835862][ T439] ? 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)) [ 16.835865][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.835867][ T439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.835871][ T439] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.835876][ T439] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.835878][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.835883][ T439] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.835886][ T439] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.835888][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.835890][ T439] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.835896][ T439] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.835897][ T439] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.835901][ T439] vprintk_emit (kernel/printk/printk.c:2479) [ 16.835905][ T439] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.835908][ T439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.835913][ T439] _printk (kernel/printk/printk.c:2504) [ 16.835917][ T439] ? snapshot_read.cold (user.c:?) [ 16.835921][ T439] ? br_multicast_flood (??:?) bridge [ 16.835935][ T439] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.835937][ T439] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.835938][ T439] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.835943][ T439] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.835956][ T439] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 16.835965][ T439] new_nbp (net/bridge/br_if.c:449) bridge [ 16.835975][ T439] br_add_if (net/bridge/br_if.c:592) bridge [ 16.835983][ T439] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 16.835987][ T439] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 16.835990][ T439] ? __kernel_text_address (kernel/extable.c:79) [ 16.835994][ T439] do_set_master (net/core/rtnetlink.c:3071) [ 16.835999][ T439] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.836002][ T439] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.836005][ T439] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.836006][ T439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.836008][ T439] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.836012][ T439] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.836014][ T439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.836016][ T439] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.836019][ T439] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.836022][ T439] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.836023][ T439] ? kasan_save_track (mm/kasan/common.c:78) [ 16.836026][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.836028][ T439] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.836031][ T439] ? ___sys_sendmsg (net/socket.c:2757) [ 16.836035][ T439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.836037][ T439] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.836040][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.836042][ T439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.836044][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.836046][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.836048][ T439] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.836052][ T439] ? __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) [ 16.836055][ T439] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.836057][ T439] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.836060][ T439] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.836062][ T439] ? nla_get_range_signed (lib/nlattr.c:270) [ 16.836067][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.836072][ T439] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.836078][ T439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.836080][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.836084][ T439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.836086][ T439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.836088][ T439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.836090][ T439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.836094][ T439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.836096][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.836099][ T439] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.836100][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.836104][ T439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.836106][ T439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.836110][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.836112][ T439] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.836115][ T439] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.836121][ T439] ? 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)) [ 16.836122][ T439] ? 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)) [ 16.836127][ T439] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.836130][ T439] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.836133][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.836137][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.836141][ T439] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.836145][ T439] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.836150][ T439] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.836153][ T439] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.836155][ T439] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.836157][ T439] ? move_addr_to_kernel (net/socket.c:258) [ 16.836164][ T439] ___sys_sendmsg (net/socket.c:2767) [ 16.836167][ T439] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.836183][ T439] __sys_sendmsg (net/socket.c:2799) [ 16.836186][ T439] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.836192][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.836196][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.836198][ T439] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.836201][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.836204][ T439] RIP: 0033:0x7f0d54ea254e [ 16.836207][ T439] 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 [ 16.836209][ T439] RSP: 002b:00007fff7d9bcc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.836211][ T439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0d54ea254e [ 16.836213][ T439] RDX: 0000000000000000 RSI: 00007fff7d9bccd0 RDI: 0000000000000005 [ 16.836214][ T439] RBP: 00007fff7d9bcc30 R08: 0000000000000000 R09: 0000000000000000 [ 16.836215][ T439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911063 [ 16.836215][ T439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7d9bd390 | [ 17.271876][ C0] | [ 17.271877][ C0] | [ 17.271877][ C0] stack backtrace: | [ 17.271883][ C0] Tainted: [W]=WARN [ 17.271884][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.271886][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 17.271889][ C0] Call Trace: [ 17.271891][ C0] [ 17.271894][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.271898][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.271900][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.271902][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 17.271905][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 17.271907][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 17.271908][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.271911][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.271912][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.271914][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.271918][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.271920][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.271922][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.271924][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.271926][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.271927][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.271929][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.271931][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.271933][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.271935][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.271937][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.271939][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.271942][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.271943][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.271945][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.271947][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.271949][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.271951][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 17.271953][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.271955][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.271957][ C0] _printk (kernel/printk/printk.c:2504) [ 17.271959][ C0] ? snapshot_read.cold (user.c:?) [ 17.271960][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.271964][ C0] ? idr_get_free (??:?) [ 17.271966][ C0] addrconf_dad_failure.cold (net/ipv6/addrconf.c:2187 (discriminator 4)) [ 17.271968][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.271970][ C0] ? inet6_rtm_newaddr (net/ipv6/addrconf.c:5042 (discriminator 2)) [ 17.271972][ C0] ? ipv6_get_ifaddr (./include/linux/rcupdate.h:882 net/ipv6/addrconf.c:2118) [ 17.271974][ C0] ? addrconf_dad_work (./include/net/ipv6.h:593) [ 17.271976][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.271978][ C0] ? ndisc_parse_options.part.0 (net/ipv6/ndisc.c:228) [ 17.271980][ C0] ndisc_recv_ns (net/ipv6/ndisc.c:867) [ 17.271982][ C0] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 17.271983][ C0] ? ndisc_netdev_event (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.271985][ C0] ? ip6_pol_route (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/route.c:2339 (discriminator 2)) [ 17.271989][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.271990][ C0] ? ndisc_rcv (net/ipv6/ndisc.c:1835) [ 17.271991][ C0] icmpv6_rcv (net/ipv6/icmp.c:1193) [ 17.271994][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) [ 17.271997][ C0] ip6_input_finish (net/ipv6/ip6_input.c:534) [ 17.271998][ C0] ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545) [ 17.272000][ C0] ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46)) [ 17.272002][ C0] ? 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)) [ 17.272004][ C0] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:882 net/ipv6/mcast.c:1076) [ 17.272006][ C0] ip6_mc_input (net/ipv6/ip6_input.c:636) [ 17.272008][ C0] ? ip6_input (./include/linux/rcupdate.h:878 (discriminator 3)) [ 17.272010][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.272011][ C0] ? ip6_rcv_core (./include/linux/rcupdate.h:882 net/ipv6/ip6_input.c:328) [ 17.272013][ C0] 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)) [ 17.272015][ C0] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96)) [ 17.272017][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.272018][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.272020][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.272022][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 17.272024][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.272025][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.272027][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 17.272029][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.272031][ C0] process_backlog (net/core/dev.c:6728) [ 17.272034][ C0] __napi_poll (net/core/dev.c:7787) [ 17.272036][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.272038][ C0] ? wakeup_preempt_fair (kernel/sched/fair.c:1142 kernel/sched/fair.c:10033) [ 17.272041][ C0] ? __napi_poll (./include/net/gro.h:507) [ 17.272043][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.272046][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.272048][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.272050][ C0] handle_softirqs (kernel/softirq.c:645) [ 17.272052][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.272053][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.272055][ C0] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 17.272058][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 17.272059][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.272061][ C0] [ 17.272061][ C0] [ 17.272062][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.272064][ C0] __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)) [ 17.272066][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.272068][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.272069][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.272071][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 17.272074][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 17.272077][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 17.272078][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.272080][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.272082][ C0] ? 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)) [ 17.272083][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 17.272085][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 17.272087][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 17.272089][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.272090][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.272092][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.272093][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 17.272095][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 17.272098][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.272101][ C0] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 17.272103][ C0] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 17.272105][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.272106][ C0] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 17.272108][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.272109][ C0] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 17.272110][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.272112][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.272114][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.272116][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 17.272118][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 17.272120][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.272122][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.272124][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.272125][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.272128][ C0] process_one_work (kernel/workqueue.c:3387) [ 17.272130][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.272132][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.272135][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.272138][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.272140][ C0] kthread (kernel/kthread.c:436) [ 17.272141][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.272143][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.272145][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.272146][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.272148][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.272151][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.272152][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.814579][ T12] softirqs last disabled at (22767): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 24.814583][ T12] Preemption disabled at: | [ 24.814584][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.814594][ T12] Tainted: [W]=WARN [ 24.814594][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.814596][ T12] Workqueue: netns cleanup_net [ 24.814602][ T12] Call Trace: [ 24.814603][ T12] [ 24.814604][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.814610][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.814612][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 24.814616][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.814619][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814625][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 24.814629][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.814631][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.814635][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.814637][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.814638][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 24.814640][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 24.814642][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.814644][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 24.814646][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.814650][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.814651][ T12] ? 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) [ 24.814653][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.814654][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814656][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814658][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.814660][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.814662][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.814665][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814666][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814668][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814670][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.814671][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.814673][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.814676][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.814678][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.814680][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.814682][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.814683][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814685][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.814686][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.814688][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 24.814690][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.814691][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.814694][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 24.814696][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.814698][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 24.814700][ T12] ? kthread (kernel/kthread.c:436) [ 24.814702][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 24.814705][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 24.814707][ T12] _printk (kernel/printk/printk.c:2504) [ 24.814711][ T12] ? snapshot_read.cold (user.c:?) [ 24.814713][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.814716][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.814718][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.814719][ T12] ? netdev_notice (net/core/dev.c:13194) [ 24.814721][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814723][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 24.814725][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 24.814727][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 24.814728][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 24.814731][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 24.814734][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 24.814736][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 24.814751][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 24.814759][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 24.814766][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 24.814769][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 24.814771][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 24.814778][ T12] cleanup_net (net/core/net_namespace.c:706) [ 24.814780][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 24.814782][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.814784][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.814786][ T12] process_one_work (kernel/workqueue.c:3387) [ 24.814789][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.814791][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.814793][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.814795][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.814798][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.814800][ T12] kthread (kernel/kthread.c:436) [ 24.814802][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.814803][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.814805][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.814807][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.814808][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.814811][ T12] ? 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