====================================== | [ 8.876985][ T177] softirqs last disabled at (23299): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.876987][ T177] Preemption disabled at: | [ 8.876988][ T177] 0x0 | [ 8.876998][ T177] Tainted: [W]=WARN [ 8.876999][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.877000][ T177] Call Trace: [ 8.877002][ T177] [ 8.877004][ T177] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.877010][ T177] __might_resched.cold (kernel/sched/core.c:9234) [ 8.877014][ T177] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.877018][ T177] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.877023][ T177] __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)) [ 8.877025][ T177] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.877031][ T177] ? 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) [ 8.877034][ T177] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.877037][ T177] put_chars (drivers/char/virtio_console.c:1176) [ 8.877040][ T177] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.877042][ T177] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.877047][ T177] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.877052][ T177] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.877058][ T177] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.877061][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.877063][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.877067][ T177] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.877071][ T177] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.877073][ T177] ? 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)) [ 8.877076][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.877078][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.877082][ T177] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.877086][ T177] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.877088][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.877093][ T177] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.877096][ T177] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.877098][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.877100][ T177] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.877104][ T177] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.877106][ T177] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.877109][ T177] vprintk_emit (kernel/printk/printk.c:2479) [ 8.877113][ T177] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.877116][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.877120][ T177] _printk (kernel/printk/printk.c:2504) [ 8.877123][ T177] ? snapshot_read.cold (user.c:?) [ 8.877126][ T177] ? 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) [ 8.877129][ T177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.877132][ T177] ? 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) [ 8.877135][ T177] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.877139][ T177] ? exit_notify (kernel/exit.c:780) [ 8.877140][ T177] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.877143][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.877147][ T177] do_group_exit (kernel/exit.c:1151) [ 8.877150][ T177] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.877151][ T177] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.877154][ T177] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.877158][ T177] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.877161][ T177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.877163][ T177] RIP: 0033:0x7fea48f161b8 [ 8.877165][ T177] Code: Unable to access opcode bytes at 0x7fea48f1618e. Code starting with the faulting instruction =========================================== [ 8.877166][ T177] RSP: 002b:00007ffc10c78e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.877169][ T177] RAX: ffffffffffffffda RBX: 00007fea49046f88 RCX: 00007fea48f161b8 [ 8.877170][ T177] RDX: 00007fea48c60fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.877171][ T177] RBP: 00007ffc10c78e60 R08: 0000000000000000 R09: 0000000000000050 [ 8.877172][ T177] R10: 00007ffc10c78c20 R11: 0000000000000246 R12: 0000000000000001 [ 8.877173][ T177] R13: 0000000000000000 R14: 00007fea49045680 R15: 00007fea49046fa0 | [ 14.536670][ T253] softirqs last disabled at (33067): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.536673][ T253] Preemption disabled at: | [ 14.536673][ T253] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.536682][ T253] Tainted: [W]=WARN [ 14.536683][ T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.536685][ T253] Call Trace: [ 14.536687][ T253] [ 14.536688][ T253] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.536694][ T253] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.536696][ T253] __might_resched.cold (kernel/sched/core.c:9234) [ 14.536701][ T253] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.536705][ T253] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.536710][ T253] __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)) [ 14.536712][ T253] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.536719][ T253] ? 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) [ 14.536721][ T253] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.536725][ T253] put_chars (drivers/char/virtio_console.c:1176) [ 14.536728][ T253] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.536730][ T253] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.536735][ T253] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.536737][ T253] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.536741][ T253] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.536745][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.536750][ T253] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.536753][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536758][ T253] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.536762][ T253] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.536764][ T253] ? 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)) [ 14.536767][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536769][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.536773][ T253] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.536778][ T253] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.536779][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.536785][ T253] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.536788][ T253] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.536789][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536792][ T253] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.536796][ T253] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.536797][ T253] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.536801][ T253] vprintk_emit (kernel/printk/printk.c:2479) [ 14.536805][ T253] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.536810][ T253] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 14.536814][ T253] _printk (kernel/printk/printk.c:2504) [ 14.536817][ T253] ? snapshot_read.cold (user.c:?) [ 14.536824][ T253] ? 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) [ 14.536827][ T253] 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 [ 14.536830][ T253] do_one_initcall (init/main.c:1357) [ 14.536833][ T253] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.536838][ T253] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.536841][ T253] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.536846][ T253] do_init_module (kernel/module/main.c:3117) [ 14.536849][ T253] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.536853][ T253] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.536856][ T253] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.536860][ T253] load_module (kernel/module/main.c:3593) [ 14.536867][ T253] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.536871][ T253] ? __ia32_sys_fsconfig (??:?) [ 14.536874][ T253] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 14.536879][ T253] init_module_from_file (kernel/module/main.c:3790) [ 14.536883][ T253] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.536891][ T253] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.536895][ T253] ? 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) [ 14.536898][ T253] idempotent_init_module (kernel/module/main.c:3802) [ 14.536901][ T253] ? init_module_from_file (kernel/module/main.c:3791) [ 14.536908][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.536910][ T253] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.536917][ T253] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.536919][ T253] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.536923][ T253] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.536925][ T253] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.536928][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.536930][ T253] RIP: 0033:0x7fe69ddcd37d [ 14.536933][ T253] 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 [ 14.536935][ T253] RSP: 002b:00007ffda8145af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.536938][ T253] RAX: ffffffffffffffda RBX: 000055e786007810 RCX: 00007fe69ddcd37d [ 14.536939][ T253] RDX: 0000000000000000 RSI: 000055e776570ffd RDI: 0000000000000000 [ 14.536940][ T253] RBP: 00007ffda8145b90 R08: 0000000000000000 R09: 0000000000000000 [ 14.536941][ T253] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e776570ffd [ 14.536942][ T253] R13: 000055e786007960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.593596][ T12] softirqs last disabled at (9391): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.593598][ T12] Preemption disabled at: | [ 19.593599][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.593608][ T12] Tainted: [W]=WARN [ 19.593609][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.593611][ T12] Workqueue: netns cleanup_net [ 19.593615][ T12] Call Trace: [ 19.593616][ T12] [ 19.593618][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.593624][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.593627][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 19.593631][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.593635][ 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) [ 19.593640][ 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)) [ 19.593642][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.593648][ 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) [ 19.593651][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.593654][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 19.593657][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 19.593659][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.593662][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 19.593667][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.593674][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.593677][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.593681][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.593685][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.593689][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.593691][ 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)) [ 19.593694][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.593697][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.593700][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.593705][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.593706][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.593712][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.593715][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.593717][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.593719][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.593723][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.593724][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.593728][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 19.593732][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.593734][ T12] ? finish_task_switch.isra.0 (./include/linux/blk_plug.h:56 (discriminator 1) kernel/sched/core.c:5385 (discriminator 1)) [ 19.593739][ T12] _printk (kernel/printk/printk.c:2504) [ 19.593743][ T12] ? snapshot_read.cold (user.c:?) [ 19.593746][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.593749][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.593752][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.593755][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.593758][ T12] ? netdev_notice (net/core/dev.c:13194) [ 19.593761][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.593763][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 19.593765][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 19.593769][ 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) [ 19.593773][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 19.593775][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 19.593778][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 19.593783][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 19.593786][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 19.593792][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 19.593794][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 19.593797][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 19.593800][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 19.593803][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.593805][ 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) [ 19.593809][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 19.593813][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.593816][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 19.593818][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.593821][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 19.593826][ T12] cleanup_net (net/core/net_namespace.c:706) [ 19.593829][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 19.593833][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.593835][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.593839][ T12] process_one_work (kernel/workqueue.c:3387) [ 19.593845][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.593848][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.593856][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.593863][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.593865][ T12] kthread (kernel/kthread.c:436) [ 19.593868][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.593870][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.593873][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.593877][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.593880][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.593883][ 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