====================================== | [ 10.098998][ T193] softirqs last disabled at (75971): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.099001][ T193] Preemption disabled at: | [ 10.099001][ T193] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.099010][ T193] Tainted: [W]=WARN [ 10.099011][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.099012][ T193] Call Trace: [ 10.099014][ T193] [ 10.099015][ T193] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.099020][ T193] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.099022][ T193] __might_resched.cold (kernel/sched/core.c:9234) [ 10.099027][ T193] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.099030][ T193] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.099035][ T193] __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)) [ 10.099038][ T193] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.099045][ T193] ? 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) [ 10.099048][ T193] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.099051][ T193] put_chars (drivers/char/virtio_console.c:1176) [ 10.099054][ T193] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.099058][ T193] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.099063][ T193] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.099071][ T193] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.099073][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099077][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.099081][ T193] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.099085][ T193] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.099086][ T193] ? 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)) [ 10.099089][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099091][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.099095][ T193] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.099099][ T193] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.099100][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.099106][ T193] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.099109][ T193] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.099110][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099112][ T193] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.099116][ T193] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.099120][ T193] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.099123][ T193] vprintk_emit (kernel/printk/printk.c:2479) [ 10.099126][ T193] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.099128][ T193] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.099131][ T193] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.099135][ T193] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 10.099137][ T193] _printk (kernel/printk/printk.c:2504) [ 10.099141][ T193] ? snapshot_read.cold (user.c:?) [ 10.099143][ T193] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 10.099148][ T193] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.099153][ T193] ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021) [ 10.099156][ T193] br_init (bridge.mod.c:?) bridge [ 10.099168][ T193] do_one_initcall (init/main.c:1357) [ 10.099172][ T193] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.099177][ T193] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.099179][ T193] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.099189][ T193] do_init_module (kernel/module/main.c:3117) [ 10.099193][ T193] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.099196][ T193] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.099199][ T193] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.099204][ T193] load_module (kernel/module/main.c:3593) [ 10.099211][ T193] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.099216][ T193] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.099220][ T193] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.099224][ T193] init_module_from_file (kernel/module/main.c:3790) [ 10.099227][ T193] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 10.099235][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.099239][ T193] ? 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) [ 10.099242][ T193] idempotent_init_module (kernel/module/main.c:3802) [ 10.099245][ T193] ? init_module_from_file (kernel/module/main.c:3791) [ 10.099251][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099253][ T193] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.099259][ T193] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.099260][ T193] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.099264][ T193] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.099266][ T193] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.099269][ T193] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.099271][ T193] RIP: 0033:0x7f95f3fea37d [ 10.099275][ T193] 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 [ 10.099276][ T193] RSP: 002b:00007ffe630b85b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.099279][ T193] RAX: ffffffffffffffda RBX: 000055fbac0f5810 RCX: 00007f95f3fea37d [ 10.099280][ T193] RDX: 0000000000000000 RSI: 000055fba5448ffd RDI: 0000000000000002 [ 10.099281][ T193] RBP: 00007ffe630b8650 R08: 0000000000000000 R09: 0000000000000000 [ 10.099282][ T193] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fba5448ffd [ 10.099283][ T193] R13: 000055fbac0f59c0 R14: 0000000000040000 R15: 0000000000000000 | [ 12.389446][ T73] softirqs last disabled at (12038): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.389449][ T73] Preemption disabled at: | [ 12.389449][ T73] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.389458][ T73] Tainted: [W]=WARN [ 12.389459][ T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.389460][ T73] Workqueue: netns cleanup_net [ 12.389464][ T73] Call Trace: [ 12.389465][ T73] [ 12.389467][ T73] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.389472][ T73] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.389474][ T73] __might_resched.cold (kernel/sched/core.c:9234) [ 12.389479][ T73] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.389483][ T73] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.389488][ T73] __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)) [ 12.389491][ T73] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.389497][ T73] ? 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) [ 12.389500][ T73] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.389504][ T73] put_chars (drivers/char/virtio_console.c:1176) [ 12.389507][ T73] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.389511][ T73] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.389517][ T73] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.389520][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.389526][ T73] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.389529][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.389536][ T73] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.389540][ T73] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.389541][ T73] ? 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)) [ 12.389544][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.389546][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.389551][ T73] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.389555][ T73] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.389556][ T73] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.389563][ T73] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.389565][ T73] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.389566][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.389568][ T73] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.389572][ T73] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.389574][ T73] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.389578][ T73] vprintk_emit (kernel/printk/printk.c:2479) [ 12.389581][ T73] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.389583][ T73] ? cleanup_net (net/core/net_namespace.c:706) [ 12.389585][ T73] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.389586][ T73] ? kthread (kernel/kthread.c:436) [ 12.389589][ T73] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 12.389592][ T73] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 12.389597][ T73] _printk (kernel/printk/printk.c:2504) [ 12.389601][ T73] ? snapshot_read.cold (user.c:?) [ 12.389606][ T73] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.389609][ T73] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.389613][ T73] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.389616][ T73] ? netdev_notice (net/core/dev.c:13194) [ 12.389621][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.389623][ T73] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 12.389626][ T73] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 12.389628][ T73] ? 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) [ 12.389631][ T73] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.389637][ T73] dev_set_allmulti (net/core/dev_api.c:315) [ 12.389641][ T73] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 12.389657][ T73] br_dev_delete (net/bridge/br_if.c:387) bridge [ 12.389667][ T73] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 12.389675][ T73] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.389679][ T73] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.389684][ T73] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 12.389686][ T73] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.389689][ T73] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.389694][ T73] cleanup_net (net/core/net_namespace.c:706) [ 12.389697][ T73] ? net_passive_dec (./include/linux/llist.h:241) [ 12.389701][ T73] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.389703][ T73] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.389707][ T73] process_one_work (kernel/workqueue.c:3387) [ 12.389714][ T73] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.389717][ T73] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.389726][ T73] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.389730][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.389731][ T73] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.389734][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.389737][ T73] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.389738][ T73] kthread (kernel/kthread.c:436) [ 12.389740][ T73] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.389743][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.389747][ T73] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.389750][ T73] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.389753][ T73] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.389757][ T73] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars