====================================== | [ 9.564087][ T180] softirqs last disabled at (20539): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.564089][ T180] Preemption disabled at: | [ 9.564090][ T180] 0x0 | [ 9.564099][ T180] Tainted: [W]=WARN [ 9.564100][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.564102][ T180] Call Trace: [ 9.564103][ T180] [ 9.564105][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.564111][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.564115][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.564123][ 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) [ 9.564128][ 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)) [ 9.564131][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.564137][ 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) [ 9.564139][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.564142][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.564145][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.564147][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.564152][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.564157][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.564163][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.564166][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.564168][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.564172][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.564175][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.564177][ 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)) [ 9.564180][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.564182][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.564186][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.564190][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.564192][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.564197][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.564200][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.564201][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.564204][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.564207][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.564209][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.564212][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.564216][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.564219][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.564223][ T180] _printk (kernel/printk/printk.c:2504) [ 9.564226][ T180] ? snapshot_read.cold (user.c:?) [ 9.564229][ 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) [ 9.564231][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.564235][ 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) [ 9.564238][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.564241][ T180] ? exit_notify (kernel/exit.c:780) [ 9.564243][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.564245][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.564249][ T180] do_group_exit (kernel/exit.c:1151) [ 9.564252][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.564254][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.564256][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.564260][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.564263][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.564265][ T180] RIP: 0033:0x7f34b60a31b8 [ 9.564267][ T180] Code: Unable to access opcode bytes at 0x7f34b60a318e. Code starting with the faulting instruction =========================================== [ 9.564268][ T180] RSP: 002b:00007ffdf9242a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.564271][ T180] RAX: ffffffffffffffda RBX: 00007f34b61d3f88 RCX: 00007f34b60a31b8 [ 9.564272][ T180] RDX: 00007f34b5dedfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.564273][ T180] RBP: 00007ffdf9242a80 R08: 0000000000000000 R09: 0000000000000050 [ 9.564274][ T180] R10: 00007ffdf9242840 R11: 0000000000000246 R12: 0000000000000001 [ 9.564274][ T180] R13: 0000000000000000 R14: 00007f34b61d2680 R15: 00007f34b61d3fa0 | [ 15.108423][ T250] softirqs last disabled at (30667): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.108425][ T250] Preemption disabled at: | [ 15.108425][ T250] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.108435][ T250] Tainted: [W]=WARN [ 15.108436][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.108438][ T250] Call Trace: [ 15.108439][ T250] [ 15.108441][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.108446][ T250] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.108449][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 15.108455][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.108459][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.108464][ T250] __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)) [ 15.108466][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.108473][ T250] ? 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) [ 15.108476][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.108479][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 15.108483][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.108484][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.108489][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.108491][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.108496][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.108500][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.108505][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.108508][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.108513][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.108517][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.108519][ T250] ? 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)) [ 15.108522][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.108524][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.108529][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.108533][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.108535][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.108540][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.108543][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.108545][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.108547][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.108551][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.108553][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.108556][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 15.108560][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.108566][ T250] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 15.108569][ T250] _printk (kernel/printk/printk.c:2504) [ 15.108573][ T250] ? snapshot_read.cold (user.c:?) [ 15.108580][ T250] ? 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) [ 15.108583][ T250] 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 [ 15.108586][ T250] do_one_initcall (init/main.c:1357) [ 15.108589][ T250] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.108593][ T250] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.108596][ T250] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.108601][ T250] do_init_module (kernel/module/main.c:3117) [ 15.108605][ T250] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.108609][ T250] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.108612][ T250] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.108617][ T250] load_module (kernel/module/main.c:3593) [ 15.108624][ T250] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.108628][ T250] ? __ia32_sys_fsconfig (??:?) [ 15.108631][ T250] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 15.108637][ T250] init_module_from_file (kernel/module/main.c:3790) [ 15.108640][ T250] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.108649][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.108652][ T250] ? 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) [ 15.108655][ T250] idempotent_init_module (kernel/module/main.c:3802) [ 15.108659][ T250] ? init_module_from_file (kernel/module/main.c:3791) [ 15.108666][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.108668][ T250] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.108675][ T250] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.108677][ T250] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.108681][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.108683][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.108686][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.108688][ T250] RIP: 0033:0x7f20e35d837d [ 15.108691][ T250] 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 [ 15.108693][ T250] RSP: 002b:00007ffd223ac1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.108696][ T250] RAX: ffffffffffffffda RBX: 00005620783f1810 RCX: 00007f20e35d837d [ 15.108697][ T250] RDX: 0000000000000000 RSI: 000056206de32ffd RDI: 0000000000000000 [ 15.108698][ T250] RBP: 00007ffd223ac280 R08: 0000000000000000 R09: 0000000000000000 [ 15.108699][ T250] R10: 0000000000000000 R11: 0000000000000246 R12: 000056206de32ffd [ 15.108699][ T250] R13: 00005620783f1960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.221028][ T71] softirqs last disabled at (9587): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.221031][ T71] Preemption disabled at: | [ 20.221032][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.221043][ T71] Tainted: [W]=WARN [ 20.221044][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.221046][ T71] Workqueue: netns cleanup_net [ 20.221050][ T71] Call Trace: [ 20.221052][ T71] [ 20.221055][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.221062][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.221065][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 20.221070][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.221076][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.221082][ T71] __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)) [ 20.221086][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.221094][ T71] ? 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) [ 20.221097][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.221102][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 20.221105][ T71] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 20.221108][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.221113][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 20.221121][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.221131][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.221135][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.221140][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.221146][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.221157][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.221159][ T71] ? 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)) [ 20.221164][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.221168][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.221174][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.221180][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.221183][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.221191][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.221195][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.221198][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.221201][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.221207][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.221209][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.221214][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 20.221220][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.221224][ T71] ? io_schedule_timeout (kernel/sched/core.c:8159 (discriminator 1)) [ 20.221229][ T71] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 20.221231][ T71] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 20.221237][ T71] _printk (kernel/printk/printk.c:2504) [ 20.221241][ T71] ? snapshot_read.cold (user.c:?) [ 20.221246][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 20.221250][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.221254][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.221260][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.221263][ T71] ? netdev_notice (net/core/dev.c:13194) [ 20.221269][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 20.221271][ T71] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 20.221274][ T71] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 20.221280][ T71] ? 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) [ 20.221285][ T71] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 20.221289][ T71] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 20.221293][ T71] netif_set_promiscuity (net/core/dev.c:9699) [ 20.221299][ T71] dev_set_promiscuity (net/core/dev_api.c:288) [ 20.221303][ T71] hsr_del_port (net/hsr/hsr_slave.c:244) [ 20.221310][ T71] hsr_del_ports (net/hsr/hsr_device.c:498) [ 20.221313][ T71] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 20.221317][ T71] default_device_exit_batch (net/core/dev.c:13280) [ 20.221323][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 20.221326][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.221330][ T71] ? 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) [ 20.221336][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 20.221342][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.221345][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 20.221347][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.221352][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 20.221359][ T71] cleanup_net (net/core/net_namespace.c:706) [ 20.221364][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 20.221369][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.221372][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.221378][ T71] process_one_work (kernel/workqueue.c:3387) [ 20.221389][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.221393][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.221405][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.221412][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.221415][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 20.221419][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.221424][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.221426][ T71] kthread (kernel/kthread.c:436) [ 20.221429][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.221433][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.221437][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.221442][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.221447][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.221456][ T71] ? 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