====================================== | [ 8.702938][ T175] softirqs last disabled at (20192): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 8.702940][ T175] Preemption disabled at: | [ 8.702941][ T175] 0x0 | [ 8.702951][ T175] Tainted: [W]=WARN [ 8.702952][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.702954][ T175] Call Trace: [ 8.702956][ T175] [ 8.702957][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.702963][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 8.702968][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.702972][ 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) [ 8.702977][ 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)) [ 8.702980][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.702985][ 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) [ 8.702988][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.702991][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 8.702994][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.702996][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.703001][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.703006][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.703013][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.703015][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.703018][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.703022][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.703025][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.703027][ 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)) [ 8.703030][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.703033][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.703036][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.703041][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.703042][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.703048][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.703050][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.703052][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.703054][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.703058][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.703060][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.703063][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 8.703067][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.703070][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.703074][ T175] _printk (kernel/printk/printk.c:2504) [ 8.703077][ T175] ? snapshot_read.cold (user.c:?) [ 8.703080][ 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) [ 8.703082][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.703086][ 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) [ 8.703089][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.703093][ T175] ? exit_notify (kernel/exit.c:780) [ 8.703094][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.703097][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.703101][ T175] do_group_exit (kernel/exit.c:1151) [ 8.703104][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.703105][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.703108][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.703112][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.703115][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.703117][ T175] RIP: 0033:0x7fcc260ad1b8 [ 8.703119][ T175] Code: Unable to access opcode bytes at 0x7fcc260ad18e. Code starting with the faulting instruction =========================================== [ 8.703120][ T175] RSP: 002b:00007ffcb4379cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.703123][ T175] RAX: ffffffffffffffda RBX: 00007fcc261ddf88 RCX: 00007fcc260ad1b8 [ 8.703124][ T175] RDX: 00007fcc25df7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.703125][ T175] RBP: 00007ffcb4379d50 R08: 0000000000000000 R09: 0000000000000050 [ 8.703126][ T175] R10: 00007ffcb4379b10 R11: 0000000000000246 R12: 0000000000000001 [ 8.703127][ T175] R13: 0000000000000000 R14: 00007fcc261dc680 R15: 00007fcc261ddfa0 | [ 14.307264][ T250] softirqs last disabled at (18773): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.307266][ T250] Preemption disabled at: | [ 14.307267][ T250] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.307276][ T250] Tainted: [W]=WARN [ 14.307277][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.307278][ T250] Call Trace: [ 14.307280][ T250] [ 14.307281][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.307287][ T250] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.307289][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 14.307293][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.307297][ 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) [ 14.307302][ 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)) [ 14.307304][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.307309][ 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) [ 14.307312][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.307315][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 14.307318][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.307319][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.307325][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.307327][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.307331][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.307335][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.307339][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.307342][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.307347][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.307350][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.307352][ 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)) [ 14.307355][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.307357][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.307361][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.307365][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.307367][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.307371][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.307374][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.307376][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.307378][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.307382][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.307383][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.307386][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 14.307390][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.307395][ T250] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 14.307398][ T250] _printk (kernel/printk/printk.c:2504) [ 14.307402][ T250] ? snapshot_read.cold (user.c:?) [ 14.307408][ 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) [ 14.307411][ 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 [ 14.307414][ T250] do_one_initcall (init/main.c:1357) [ 14.307416][ T250] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.307420][ T250] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.307423][ T250] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.307428][ T250] do_init_module (kernel/module/main.c:3117) [ 14.307431][ T250] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.307435][ T250] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.307438][ T250] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.307442][ T250] load_module (kernel/module/main.c:3593) [ 14.307449][ T250] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.307454][ T250] ? __ia32_sys_fsconfig (??:?) [ 14.307457][ T250] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 14.307461][ T250] init_module_from_file (kernel/module/main.c:3790) [ 14.307464][ T250] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.307475][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.307479][ 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) [ 14.307482][ T250] idempotent_init_module (kernel/module/main.c:3802) [ 14.307485][ T250] ? init_module_from_file (kernel/module/main.c:3791) [ 14.307491][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.307493][ T250] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.307499][ T250] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.307501][ T250] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.307505][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.307507][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.307509][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.307511][ T250] RIP: 0033:0x7f8b66daa37d [ 14.307515][ 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 [ 14.307517][ T250] RSP: 002b:00007fff6247e158 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.307519][ T250] RAX: ffffffffffffffda RBX: 000056133d7d2810 RCX: 00007f8b66daa37d [ 14.307520][ T250] RDX: 0000000000000000 RSI: 0000561301d70ffd RDI: 0000000000000000 [ 14.307521][ T250] RBP: 00007fff6247e1f0 R08: 0000000000000000 R09: 0000000000000000 [ 14.307522][ T250] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561301d70ffd [ 14.307523][ T250] R13: 000056133d7d2960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.307638][ T71] softirqs last disabled at (15891): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.307641][ T71] Preemption disabled at: | [ 19.307641][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.307651][ T71] Tainted: [W]=WARN [ 19.307652][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.307653][ T71] Workqueue: netns cleanup_net [ 19.307657][ T71] Call Trace: [ 19.307658][ T71] [ 19.307661][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.307666][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.307668][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 19.307673][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.307677][ 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) [ 19.307682][ 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)) [ 19.307684][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.307690][ 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) [ 19.307693][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.307696][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 19.307698][ T71] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 19.307700][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.307704][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 19.307708][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.307715][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.307718][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.307722][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.307726][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.307730][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.307732][ 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)) [ 19.307735][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.307738][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.307741][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.307746][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.307747][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.307753][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.307756][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.307757][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.307760][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.307763][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.307765][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.307768][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 19.307772][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.307775][ T71] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.307776][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.307779][ T71] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 19.307781][ T71] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 19.307785][ T71] _printk (kernel/printk/printk.c:2504) [ 19.307788][ T71] ? snapshot_read.cold (user.c:?) [ 19.307791][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.307794][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.307797][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.307801][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.307803][ T71] ? netdev_notice (net/core/dev.c:13194) [ 19.307806][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.307808][ T71] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 19.307810][ T71] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 19.307813][ 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) [ 19.307817][ T71] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 19.307820][ T71] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 19.307823][ T71] netif_set_promiscuity (net/core/dev.c:9699) [ 19.307828][ T71] dev_set_promiscuity (net/core/dev_api.c:288) [ 19.307831][ T71] hsr_del_port (net/hsr/hsr_slave.c:244) [ 19.307836][ T71] hsr_del_ports (net/hsr/hsr_device.c:498) [ 19.307838][ T71] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 19.307841][ T71] default_device_exit_batch (net/core/dev.c:13280) [ 19.307844][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 19.307847][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.307849][ 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) [ 19.307853][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 19.307856][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.307858][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 19.307860][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.307863][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 19.307867][ T71] cleanup_net (net/core/net_namespace.c:706) [ 19.307870][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 19.307874][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.307876][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.307880][ T71] process_one_work (kernel/workqueue.c:3387) [ 19.307886][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.307889][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.307897][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.307901][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.307903][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.307906][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.307909][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.307911][ T71] kthread (kernel/kthread.c:436) [ 19.307913][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.307915][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.307918][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.307922][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.307925][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.307928][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars