====================================== | [ 8.809884][ T179] softirqs last disabled at (28119): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.809886][ T179] Preemption disabled at: | [ 8.809887][ T179] 0x0 | [ 8.809897][ T179] Tainted: [W]=WARN [ 8.809898][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.809899][ T179] Call Trace: [ 8.809901][ T179] [ 8.809902][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.809909][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 8.809913][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.809918][ T179] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.809923][ T179] __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)) [ 8.809925][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.809931][ T179] ? 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) [ 8.809934][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.809938][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 8.809941][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.809942][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.809947][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.809953][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.809960][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.809962][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.809965][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.809969][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.809973][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.809975][ T179] ? 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)) [ 8.809979][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.809981][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.809985][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.809990][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.809992][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.809997][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.810001][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.810002][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.810005][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.810008][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.810010][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.810014][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 8.810017][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.810021][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.810025][ T179] _printk (kernel/printk/printk.c:2504) [ 8.810029][ T179] ? snapshot_read.cold (user.c:?) [ 8.810032][ T179] ? 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) [ 8.810035][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.810039][ T179] ? 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) [ 8.810042][ T179] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.810046][ T179] ? exit_notify (kernel/exit.c:780) [ 8.810047][ T179] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.810050][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.810055][ T179] do_group_exit (kernel/exit.c:1151) [ 8.810058][ T179] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.810060][ T179] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.810063][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.810066][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.810069][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.810071][ T179] RIP: 0033:0x7f8fdb6071b8 [ 8.810074][ T179] Code: Unable to access opcode bytes at 0x7f8fdb60718e. Code starting with the faulting instruction =========================================== [ 8.810075][ T179] RSP: 002b:00007ffff5d7f138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.810078][ T179] RAX: ffffffffffffffda RBX: 00007f8fdb737f88 RCX: 00007f8fdb6071b8 [ 8.810079][ T179] RDX: 00007f8fdb351fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.810080][ T179] RBP: 00007ffff5d7f190 R08: 0000000000000000 R09: 0000000000000050 [ 8.810081][ T179] R10: 00007ffff5d7ef50 R11: 0000000000000246 R12: 0000000000000001 [ 8.810082][ T179] R13: 0000000000000000 R14: 00007f8fdb736680 R15: 00007f8fdb737fa0 | [ 14.379044][ T249] softirqs last disabled at (27083): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.379046][ T249] Preemption disabled at: | [ 14.379047][ T249] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.379056][ T249] Tainted: [W]=WARN [ 14.379057][ T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.379058][ T249] Call Trace: [ 14.379060][ T249] [ 14.379061][ T249] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.379067][ T249] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.379069][ T249] __might_resched.cold (kernel/sched/core.c:9234) [ 14.379073][ T249] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.379077][ 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) [ 14.379082][ 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)) [ 14.379084][ T249] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.379090][ 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) [ 14.379093][ T249] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.379096][ T249] put_chars (drivers/char/virtio_console.c:1176) [ 14.379099][ T249] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.379101][ T249] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.379106][ T249] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.379108][ T249] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.379113][ T249] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.379115][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.379121][ T249] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.379123][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.379129][ T249] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.379132][ T249] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.379134][ 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)) [ 14.379137][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.379139][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.379143][ T249] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.379147][ T249] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.379149][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.379154][ T249] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.379157][ T249] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.379159][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.379161][ T249] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.379164][ T249] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.379166][ T249] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.379169][ T249] vprintk_emit (kernel/printk/printk.c:2479) [ 14.379173][ T249] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.379179][ T249] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 14.379183][ T249] _printk (kernel/printk/printk.c:2504) [ 14.379186][ T249] ? snapshot_read.cold (user.c:?) [ 14.379192][ 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) [ 14.379196][ 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 [ 14.379199][ T249] do_one_initcall (init/main.c:1357) [ 14.379201][ T249] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.379206][ T249] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.379209][ T249] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.379214][ T249] do_init_module (kernel/module/main.c:3117) [ 14.379217][ T249] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.379221][ T249] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.379225][ T249] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.379228][ T249] load_module (kernel/module/main.c:3593) [ 14.379235][ T249] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.379239][ T249] ? __ia32_sys_fsconfig (??:?) [ 14.379242][ T249] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 14.379247][ T249] init_module_from_file (kernel/module/main.c:3790) [ 14.379250][ T249] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.379258][ T249] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.379261][ 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) [ 14.379264][ T249] idempotent_init_module (kernel/module/main.c:3802) [ 14.379268][ T249] ? init_module_from_file (kernel/module/main.c:3791) [ 14.379274][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.379276][ T249] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.379282][ T249] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.379284][ T249] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.379288][ T249] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.379291][ T249] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.379293][ T249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.379295][ T249] RIP: 0033:0x7f753fa0a37d [ 14.379299][ 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 [ 14.379300][ T249] RSP: 002b:00007fff9b8565b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.379303][ T249] RAX: ffffffffffffffda RBX: 0000557064b27810 RCX: 00007f753fa0a37d [ 14.379304][ T249] RDX: 0000000000000000 RSI: 0000557062c7cffd RDI: 0000000000000000 [ 14.379305][ T249] RBP: 00007fff9b856650 R08: 0000000000000000 R09: 0000000000000000 [ 14.379306][ T249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557062c7cffd [ 14.379307][ T249] R13: 0000557064b27960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.414150][ T12] softirqs last disabled at (9292): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 19.414153][ T12] Preemption disabled at: | [ 19.414153][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.414163][ T12] Tainted: [W]=WARN [ 19.414163][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.414165][ T12] Workqueue: netns cleanup_net [ 19.414168][ T12] Call Trace: [ 19.414170][ T12] [ 19.414172][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.414177][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.414180][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 19.414184][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.414188][ 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) [ 19.414193][ 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)) [ 19.414195][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.414201][ 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) [ 19.414204][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.414207][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 19.414209][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 19.414211][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.414215][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 19.414219][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.414226][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.414229][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.414232][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.414237][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.414241][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.414242][ 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)) [ 19.414245][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.414248][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.414252][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.414256][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.414258][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.414263][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.414266][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.414267][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.414270][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.414273][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.414275][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.414278][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 19.414282][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.414285][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.414286][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.414289][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 19.414290][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 19.414294][ T12] _printk (kernel/printk/printk.c:2504) [ 19.414297][ T12] ? snapshot_read.cold (user.c:?) [ 19.414300][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.414303][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.414306][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.414310][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.414312][ T12] ? netdev_notice (net/core/dev.c:13194) [ 19.414315][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 19.414317][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 19.414319][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 19.414323][ 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) [ 19.414327][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 19.414329][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 19.414332][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 19.414336][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 19.414339][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 19.414344][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 19.414347][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 19.414349][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 19.414353][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 19.414355][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.414358][ 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) [ 19.414361][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 19.414365][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.414367][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 19.414369][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.414372][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 19.414376][ T12] cleanup_net (net/core/net_namespace.c:706) [ 19.414379][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 19.414383][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.414385][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.414389][ T12] process_one_work (kernel/workqueue.c:3387) [ 19.414395][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.414398][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.414405][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.414412][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.414414][ T12] kthread (kernel/kthread.c:436) [ 19.414417][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.414420][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.414423][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.414427][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.414430][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.414433][ 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