====================================== | [ 9.091463][ T175] softirqs last disabled at (28905): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.091465][ T175] Preemption disabled at: | [ 9.091466][ T175] 0x0 | [ 9.091476][ T175] Tainted: [W]=WARN [ 9.091477][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.091479][ T175] Call Trace: [ 9.091480][ T175] [ 9.091482][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.091488][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 9.091493][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.091496][ 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) [ 9.091501][ 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)) [ 9.091504][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.091509][ 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) [ 9.091512][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.091515][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 9.091518][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.091520][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.091525][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.091530][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.091536][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.091539][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.091541][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.091545][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.091549][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.091551][ 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)) [ 9.091554][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.091556][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.091563][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.091567][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.091569][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.091574][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.091577][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.091579][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.091581][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.091585][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.091586][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.091590][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 9.091593][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.091597][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.091600][ T175] _printk (kernel/printk/printk.c:2504) [ 9.091604][ T175] ? snapshot_read.cold (user.c:?) [ 9.091606][ 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) [ 9.091609][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.091612][ 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) [ 9.091615][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.091619][ T175] ? exit_notify (kernel/exit.c:780) [ 9.091620][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.091623][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.091627][ T175] do_group_exit (kernel/exit.c:1151) [ 9.091629][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.091631][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.091634][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.091638][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.091640][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.091643][ T175] RIP: 0033:0x7f1d1ab801b8 [ 9.091645][ T175] Code: Unable to access opcode bytes at 0x7f1d1ab8018e. Code starting with the faulting instruction =========================================== [ 9.091646][ T175] RSP: 002b:00007ffc8c315658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.091648][ T175] RAX: ffffffffffffffda RBX: 00007f1d1acb0f88 RCX: 00007f1d1ab801b8 [ 9.091650][ T175] RDX: 00007f1d1a8cafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.091651][ T175] RBP: 00007ffc8c3156b0 R08: 0000000000000000 R09: 0000000000000050 [ 9.091652][ T175] R10: 00007ffc8c315470 R11: 0000000000000246 R12: 0000000000000001 [ 9.091652][ T175] R13: 0000000000000000 R14: 00007f1d1acaf680 R15: 00007f1d1acb0fa0 | [ 14.755493][ T249] softirqs last disabled at (21993): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.755495][ T249] Preemption disabled at: | [ 14.755496][ T249] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.755505][ T249] Tainted: [W]=WARN [ 14.755506][ T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.755508][ T249] Call Trace: [ 14.755509][ T249] [ 14.755511][ T249] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.755516][ T249] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.755518][ T249] __might_resched.cold (kernel/sched/core.c:9234) [ 14.755522][ T249] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.755526][ 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) [ 14.755531][ 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)) [ 14.755533][ T249] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.755538][ 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) [ 14.755541][ T249] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.755544][ T249] put_chars (drivers/char/virtio_console.c:1176) [ 14.755547][ T249] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.755549][ T249] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.755553][ T249] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.755555][ T249] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.755561][ T249] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.755564][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.755569][ T249] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.755572][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.755577][ T249] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.755580][ T249] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.755582][ 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)) [ 14.755585][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.755587][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.755591][ T249] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.755595][ T249] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.755597][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.755602][ T249] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.755604][ T249] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.755606][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.755608][ T249] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.755612][ T249] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.755614][ T249] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.755617][ T249] vprintk_emit (kernel/printk/printk.c:2479) [ 14.755620][ T249] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.755626][ T249] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 14.755630][ T249] _printk (kernel/printk/printk.c:2504) [ 14.755633][ T249] ? snapshot_read.cold (user.c:?) [ 14.755639][ 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) [ 14.755642][ 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 [ 14.755645][ T249] do_one_initcall (init/main.c:1357) [ 14.755648][ T249] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.755652][ T249] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.755655][ T249] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.755659][ T249] do_init_module (kernel/module/main.c:3117) [ 14.755663][ T249] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.755666][ T249] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.755669][ T249] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.755673][ T249] load_module (kernel/module/main.c:3593) [ 14.755680][ T249] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.755684][ T249] ? __ia32_sys_fsconfig (??:?) [ 14.755686][ T249] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 14.755691][ T249] init_module_from_file (kernel/module/main.c:3790) [ 14.755694][ T249] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.755702][ T249] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.755705][ 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) [ 14.755708][ T249] idempotent_init_module (kernel/module/main.c:3802) [ 14.755711][ T249] ? init_module_from_file (kernel/module/main.c:3791) [ 14.755717][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.755720][ T249] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.755726][ T249] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.755728][ T249] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.755731][ T249] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.755734][ T249] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.755736][ T249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.755739][ T249] RIP: 0033:0x7f56085d837d [ 14.755742][ 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 [ 14.755744][ T249] RSP: 002b:00007ffe912a2c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.755747][ T249] RAX: ffffffffffffffda RBX: 0000561b9660f810 RCX: 00007f56085d837d [ 14.755748][ T249] RDX: 0000000000000000 RSI: 0000561b95051ffd RDI: 0000000000000000 [ 14.755749][ T249] RBP: 00007ffe912a2cd0 R08: 0000000000000000 R09: 0000000000000000 [ 14.755750][ T249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561b95051ffd [ 14.755750][ T249] R13: 0000561b9660f960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.853173][ T12] softirqs last disabled at (9784): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 19.853176][ T12] Preemption disabled at: | [ 19.853176][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.853185][ T12] Tainted: [W]=WARN [ 19.853186][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.853187][ T12] Workqueue: netns cleanup_net [ 19.853191][ T12] Call Trace: [ 19.853192][ T12] [ 19.853194][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.853200][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.853202][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 19.853207][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.853211][ 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) [ 19.853216][ 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)) [ 19.853218][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.853224][ 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) [ 19.853227][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.853230][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 19.853232][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 19.853235][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.853238][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 19.853247][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.853254][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.853256][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.853261][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.853265][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.853268][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.853270][ 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)) [ 19.853273][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.853276][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.853280][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.853284][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.853286][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.853291][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.853294][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.853296][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.853298][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.853302][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.853304][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.853307][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 19.853311][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.853314][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.853315][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.853318][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 19.853320][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 19.853323][ T12] _printk (kernel/printk/printk.c:2504) [ 19.853326][ T12] ? snapshot_read.cold (user.c:?) [ 19.853330][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.853332][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.853336][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.853339][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.853341][ T12] ? netdev_notice (net/core/dev.c:13194) [ 19.853345][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.853346][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 19.853349][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 19.853352][ 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) [ 19.853356][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 19.853359][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 19.853362][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 19.853366][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 19.853369][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 19.853374][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 19.853376][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 19.853379][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 19.853382][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 19.853385][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.853387][ 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) [ 19.853391][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 19.853395][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.853397][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 19.853399][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.853402][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 19.853406][ T12] cleanup_net (net/core/net_namespace.c:706) [ 19.853409][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 19.853413][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.853415][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.853419][ T12] process_one_work (kernel/workqueue.c:3387) [ 19.853426][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.853429][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.853436][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.853443][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.853445][ T12] kthread (kernel/kthread.c:436) [ 19.853448][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.853451][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.853453][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.853457][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.853460][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.853464][ 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