====================================== | [ 9.499044][ T176] softirqs last disabled at (21073): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.499047][ T176] Preemption disabled at: | [ 9.499047][ T176] 0x0 | [ 9.499058][ T176] Tainted: [W]=WARN [ 9.499059][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.499060][ T176] Call Trace: [ 9.499062][ T176] [ 9.499063][ T176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.499070][ T176] __might_resched.cold (kernel/sched/core.c:9234) [ 9.499074][ T176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.499078][ T176] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.499083][ T176] __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)) [ 9.499085][ T176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.499091][ T176] ? 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) [ 9.499094][ T176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.499097][ T176] put_chars (drivers/char/virtio_console.c:1176) [ 9.499100][ T176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.499102][ T176] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.499107][ T176] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.499112][ T176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.499119][ T176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.499121][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.499123][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.499127][ T176] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.499131][ T176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.499133][ T176] ? 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)) [ 9.499136][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.499138][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.499142][ T176] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.499146][ T176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.499148][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.499153][ T176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.499156][ T176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.499158][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.499160][ T176] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.499163][ T176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.499165][ T176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.499168][ T176] vprintk_emit (kernel/printk/printk.c:2479) [ 9.499172][ T176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.499176][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.499179][ T176] _printk (kernel/printk/printk.c:2504) [ 9.499183][ T176] ? snapshot_read.cold (user.c:?) [ 9.499185][ T176] ? 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) [ 9.499188][ T176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.499191][ T176] ? 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) [ 9.499194][ T176] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.499198][ T176] ? exit_notify (kernel/exit.c:780) [ 9.499199][ T176] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.499202][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.499206][ T176] do_group_exit (kernel/exit.c:1151) [ 9.499209][ T176] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.499210][ T176] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.499213][ T176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.499217][ T176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.499220][ T176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.499222][ T176] RIP: 0033:0x7fabe211a1b8 [ 9.499224][ T176] Code: Unable to access opcode bytes at 0x7fabe211a18e. Code starting with the faulting instruction =========================================== [ 9.499225][ T176] RSP: 002b:00007fff3334ad68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.499228][ T176] RAX: ffffffffffffffda RBX: 00007fabe224af88 RCX: 00007fabe211a1b8 [ 9.499229][ T176] RDX: 00007fabe1e64fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.499230][ T176] RBP: 00007fff3334adc0 R08: 0000000000000000 R09: 0000000000000050 [ 9.499231][ T176] R10: 00007fff3334ab80 R11: 0000000000000246 R12: 0000000000000001 [ 9.499232][ T176] R13: 0000000000000000 R14: 00007fabe2249680 R15: 00007fabe224afa0 | [ 15.374655][ T251] softirqs last disabled at (22681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.374658][ T251] Preemption disabled at: | [ 15.374658][ T251] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.374668][ T251] Tainted: [W]=WARN [ 15.374669][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.374671][ T251] Call Trace: [ 15.374672][ T251] [ 15.374674][ T251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.374680][ T251] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.374683][ T251] __might_resched.cold (kernel/sched/core.c:9234) [ 15.374687][ T251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.374691][ T251] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.374696][ T251] __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)) [ 15.374698][ T251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.374704][ T251] ? 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) [ 15.374707][ T251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.374710][ T251] put_chars (drivers/char/virtio_console.c:1176) [ 15.374713][ T251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.374715][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.374720][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.374722][ T251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.374726][ T251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.374729][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.374734][ T251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.374737][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.374742][ T251] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.374746][ T251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.374747][ T251] ? 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)) [ 15.374750][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.374753][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.374756][ T251] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.374760][ T251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.374762][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.374767][ T251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.374770][ T251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.374771][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.374774][ T251] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.374777][ T251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.374779][ T251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.374782][ T251] vprintk_emit (kernel/printk/printk.c:2479) [ 15.374786][ T251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.374791][ T251] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 15.374795][ T251] _printk (kernel/printk/printk.c:2504) [ 15.374799][ T251] ? snapshot_read.cold (user.c:?) [ 15.374805][ T251] ? 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) [ 15.374808][ T251] 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 [ 15.374811][ T251] do_one_initcall (init/main.c:1357) [ 15.374814][ T251] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 15.374818][ T251] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 15.374821][ T251] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 15.374826][ T251] do_init_module (kernel/module/main.c:3117) [ 15.374829][ T251] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.374833][ T251] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 15.374836][ T251] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 15.374840][ T251] load_module (kernel/module/main.c:3593) [ 15.374847][ T251] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 15.374851][ T251] ? __ia32_sys_fsconfig (??:?) [ 15.374853][ T251] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 15.374858][ T251] init_module_from_file (kernel/module/main.c:3790) [ 15.374861][ T251] ? __do_sys_init_module (kernel/module/main.c:3664) [ 15.374869][ T251] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.374872][ T251] ? 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) [ 15.374875][ T251] idempotent_init_module (kernel/module/main.c:3802) [ 15.374879][ T251] ? init_module_from_file (kernel/module/main.c:3791) [ 15.374885][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.374887][ T251] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.374893][ T251] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 15.374895][ T251] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.374899][ T251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.374902][ T251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.374904][ T251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.374906][ T251] RIP: 0033:0x7f2a7d10a37d [ 15.374910][ T251] 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 [ 15.374911][ T251] RSP: 002b:00007ffc5500f4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.374914][ T251] RAX: ffffffffffffffda RBX: 00005563d02a9810 RCX: 00007f2a7d10a37d [ 15.374915][ T251] RDX: 0000000000000000 RSI: 00005563a9a48ffd RDI: 0000000000000000 [ 15.374916][ T251] RBP: 00007ffc5500f540 R08: 0000000000000000 R09: 0000000000000000 [ 15.374917][ T251] R10: 0000000000000000 R11: 0000000000000246 R12: 00005563a9a48ffd [ 15.374917][ T251] R13: 00005563d02a9960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.480227][ T12] softirqs last disabled at (9267): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.480230][ T12] Preemption disabled at: | [ 20.480230][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.480240][ T12] Tainted: [W]=WARN [ 20.480241][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.480243][ T12] Workqueue: netns cleanup_net [ 20.480246][ T12] Call Trace: [ 20.480248][ T12] [ 20.480250][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.480256][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.480258][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 20.480263][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.480267][ 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) [ 20.480272][ 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)) [ 20.480274][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.480280][ 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) [ 20.480283][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.480286][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 20.480289][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 20.480291][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.480294][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 20.480299][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.480306][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.480309][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.480313][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.480317][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.480321][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.480323][ 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)) [ 20.480326][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.480329][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.480333][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.480337][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.480339][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.480344][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.480347][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.480354][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.480356][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.480360][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.480362][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.480365][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 20.480369][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.480372][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 20.480374][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.480377][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 20.480378][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 20.480382][ T12] _printk (kernel/printk/printk.c:2504) [ 20.480385][ T12] ? snapshot_read.cold (user.c:?) [ 20.480388][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 20.480391][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.480395][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.480398][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.480400][ T12] ? netdev_notice (net/core/dev.c:13194) [ 20.480404][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 20.480405][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 20.480408][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 20.480411][ 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) [ 20.480415][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 20.480418][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 20.480421][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 20.480425][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 20.480428][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 20.480434][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 20.480436][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 20.480439][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 20.480442][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 20.480445][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.480447][ 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) [ 20.480451][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 20.480455][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.480457][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 20.480459][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.480462][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 20.480467][ T12] cleanup_net (net/core/net_namespace.c:706) [ 20.480470][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 20.480474][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.480476][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.480480][ T12] process_one_work (kernel/workqueue.c:3387) [ 20.480486][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.480489][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.480497][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.480503][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.480506][ T12] kthread (kernel/kthread.c:436) [ 20.480508][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.480511][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.480514][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.480518][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.480521][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.480524][ 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