====================================== | [ 9.572300][ T175] softirqs last disabled at (34251): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.572302][ T175] Preemption disabled at: | [ 9.572303][ T175] 0x0 | [ 9.572314][ T175] Tainted: [W]=WARN [ 9.572314][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.572316][ T175] Call Trace: [ 9.572318][ T175] [ 9.572319][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.572326][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 9.572330][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.572335][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.572339][ T175] __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)) [ 9.572342][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.572348][ T175] ? 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) [ 9.572350][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.572354][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 9.572357][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.572358][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.572363][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.572368][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.572375][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.572377][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.572380][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.572384][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.572388][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.572390][ T175] ? 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)) [ 9.572393][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.572395][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.572399][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.572403][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.572405][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.572410][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.572413][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.572415][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.572418][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.572421][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.572423][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.572426][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 9.572430][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.572434][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.572437][ T175] _printk (kernel/printk/printk.c:2504) [ 9.572441][ T175] ? snapshot_read.cold (user.c:?) [ 9.572444][ T175] ? 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) [ 9.572447][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.572450][ T175] ? 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) [ 9.572453][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.572457][ T175] ? exit_notify (kernel/exit.c:780) [ 9.572458][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.572461][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.572465][ T175] do_group_exit (kernel/exit.c:1151) [ 9.572468][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.572470][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.572472][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.572476][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.572479][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.572481][ T175] RIP: 0033:0x7f322946f1b8 [ 9.572484][ T175] Code: Unable to access opcode bytes at 0x7f322946f18e. Code starting with the faulting instruction =========================================== [ 9.572485][ T175] RSP: 002b:00007ffe34313c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.572487][ T175] RAX: ffffffffffffffda RBX: 00007f322959ff88 RCX: 00007f322946f1b8 [ 9.572489][ T175] RDX: 00007f32291b9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.572489][ T175] RBP: 00007ffe34313c90 R08: 0000000000000000 R09: 0000000000000050 [ 9.572490][ T175] R10: 00007ffe34313a50 R11: 0000000000000246 R12: 0000000000000001 [ 9.572491][ T175] R13: 0000000000000000 R14: 00007f322959e680 R15: 00007f322959ffa0 | [ 15.276181][ T249] softirqs last disabled at (29481): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.276183][ T249] Preemption disabled at: | [ 15.276184][ T249] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.276194][ T249] Tainted: [W]=WARN [ 15.276194][ T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.276196][ T249] Call Trace: [ 15.276198][ T249] [ 15.276199][ T249] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.276205][ T249] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.276207][ T249] __might_resched.cold (kernel/sched/core.c:9234) [ 15.276212][ T249] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.276216][ T249] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.276221][ T249] __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)) [ 15.276224][ T249] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.276230][ T249] ? 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) [ 15.276232][ T249] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.276236][ T249] put_chars (drivers/char/virtio_console.c:1176) [ 15.276238][ T249] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.276240][ T249] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.276245][ T249] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.276247][ T249] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.276252][ T249] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.276255][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.276260][ T249] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.276263][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.276268][ T249] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.276272][ T249] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.276274][ T249] ? 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)) [ 15.276277][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.276279][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.276283][ T249] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.276287][ T249] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.276289][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.276294][ T249] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.276297][ T249] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.276299][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.276301][ T249] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.276305][ T249] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.276307][ T249] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.276310][ T249] vprintk_emit (kernel/printk/printk.c:2479) [ 15.276314][ T249] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.276320][ T249] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 15.276324][ T249] _printk (kernel/printk/printk.c:2504) [ 15.276327][ T249] ? snapshot_read.cold (user.c:?) [ 15.276333][ T249] ? 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) [ 15.276337][ T249] 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 [ 15.276340][ T249] do_one_initcall (init/main.c:1357) [ 15.276343][ T249] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.276347][ T249] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.276350][ T249] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.276355][ T249] do_init_module (kernel/module/main.c:3117) [ 15.276359][ T249] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.276363][ T249] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.276366][ T249] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.276370][ T249] load_module (kernel/module/main.c:3593) [ 15.276377][ T249] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.276381][ T249] ? __ia32_sys_fsconfig (??:?) [ 15.276384][ T249] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 15.276389][ T249] init_module_from_file (kernel/module/main.c:3790) [ 15.276392][ T249] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.276401][ T249] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.276404][ T249] ? 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) [ 15.276407][ T249] idempotent_init_module (kernel/module/main.c:3802) [ 15.276411][ T249] ? init_module_from_file (kernel/module/main.c:3791) [ 15.276417][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.276419][ T249] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.276426][ T249] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.276428][ T249] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.276432][ T249] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.276434][ T249] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.276437][ T249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.276439][ T249] RIP: 0033:0x7feeb262c37d [ 15.276443][ T249] 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 [ 15.276445][ T249] RSP: 002b:00007ffe3729b098 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.276448][ T249] RAX: ffffffffffffffda RBX: 0000558fc112c810 RCX: 00007feeb262c37d [ 15.276449][ T249] RDX: 0000000000000000 RSI: 0000558fad928ffd RDI: 0000000000000000 [ 15.276450][ T249] RBP: 00007ffe3729b130 R08: 0000000000000000 R09: 0000000000000000 [ 15.276451][ T249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558fad928ffd [ 15.276452][ T249] R13: 0000558fc112c960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.211209][ T283] softirqs last disabled at (9183): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.211211][ T283] Preemption disabled at: | [ 19.211212][ T283] 0x0 | [ 19.211223][ T283] Tainted: [W]=WARN [ 19.211224][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.211225][ T283] Call Trace: [ 19.211227][ T283] [ 19.211229][ T283] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.211235][ T283] __might_resched.cold (kernel/sched/core.c:9234) [ 19.211240][ T283] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.211244][ 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) [ 19.211249][ 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)) [ 19.211251][ T283] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.211257][ 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) [ 19.211260][ T283] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.211263][ T283] put_chars (drivers/char/virtio_console.c:1176) [ 19.211266][ T283] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.211267][ T283] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.211273][ T283] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.211278][ T283] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.211285][ T283] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.211287][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.211290][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.211294][ T283] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.211298][ T283] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.211300][ 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)) [ 19.211303][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.211305][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.211309][ T283] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.211314][ T283] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.211315][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.211321][ T283] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.211323][ T283] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.211325][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.211328][ T283] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.211331][ T283] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.211333][ T283] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.211337][ T283] vprintk_emit (kernel/printk/printk.c:2479) [ 19.211341][ T283] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.211344][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.211348][ T283] _printk (kernel/printk/printk.c:2504) [ 19.211351][ T283] ? snapshot_read.cold (user.c:?) [ 19.211354][ T283] ? 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) [ 19.211357][ T283] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.211361][ T283] ? 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) [ 19.211363][ T283] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.211367][ T283] ? exit_notify (kernel/exit.c:780) [ 19.211368][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.211371][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.211375][ T283] do_group_exit (kernel/exit.c:1151) [ 19.211378][ T283] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.211380][ T283] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.211383][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.211387][ T283] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.211389][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.211392][ T283] RIP: 0033:0x7f1716a5d1b8 [ 19.211394][ T283] Code: Unable to access opcode bytes at 0x7f1716a5d18e. Code starting with the faulting instruction =========================================== [ 19.211395][ T283] RSP: 002b:00007ffdb85b5468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.211398][ T283] RAX: ffffffffffffffda RBX: 00007f1716b8df88 RCX: 00007f1716a5d1b8 [ 19.211399][ T283] RDX: 00007f171699be88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 19.211400][ T283] RBP: 00007ffdb85b54c0 R08: 0000000000000000 R09: 0000000000001010 [ 19.211401][ T283] R10: 00007ffdb85b5300 R11: 0000000000000246 R12: 0000000000000002 [ 19.211402][ T283] R13: 0000000000000000 R14: 00007f1716b8c680 R15: 00007f1716b8dfa0 | [ 20.376456][ T12] softirqs last disabled at (11662): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 20.376459][ T12] Preemption disabled at: | [ 20.376459][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.376469][ T12] Tainted: [W]=WARN [ 20.376469][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.376471][ T12] Workqueue: netns cleanup_net [ 20.376474][ T12] Call Trace: [ 20.376476][ T12] [ 20.376478][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.376484][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.376486][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 20.376491][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.376495][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.376500][ 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)) [ 20.376502][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.376508][ 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) [ 20.376511][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.376515][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 20.376517][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 20.376520][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.376523][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 20.376528][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.376535][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.376538][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.376542][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.376546][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.376550][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.376557][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 20.376560][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.376563][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.376567][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.376571][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.376573][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.376579][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.376582][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.376584][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.376586][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.376590][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.376592][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.376595][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 20.376599][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.376602][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 20.376604][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.376606][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 20.376608][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 20.376612][ T12] _printk (kernel/printk/printk.c:2504) [ 20.376615][ T12] ? snapshot_read.cold (user.c:?) [ 20.376618][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 20.376622][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.376625][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.376629][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.376631][ T12] ? netdev_notice (net/core/dev.c:13194) [ 20.376635][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 20.376636][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 20.376638][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 20.376642][ 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) [ 20.376646][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 20.376649][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 20.376652][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 20.376656][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 20.376659][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 20.376664][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 20.376667][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 20.376670][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 20.376673][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 20.376676][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.376678][ 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) [ 20.376682][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 20.376686][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.376688][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 20.376690][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.376693][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 20.376698][ T12] cleanup_net (net/core/net_namespace.c:706) [ 20.376701][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 20.376707][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.376709][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.376713][ T12] process_one_work (kernel/workqueue.c:3387) [ 20.376720][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.376723][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.376730][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.376738][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.376740][ T12] kthread (kernel/kthread.c:436) [ 20.376743][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.376746][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.376748][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.376752][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.376756][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.376759][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars