====================================== | [ 10.644356][ T193] softirqs last disabled at (79475): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 10.644358][ T193] Preemption disabled at: | [ 10.644359][ T193] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.644368][ T193] Tainted: [W]=WARN [ 10.644369][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.644371][ T193] Call Trace: [ 10.644372][ T193] [ 10.644374][ T193] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.644379][ T193] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.644381][ T193] __might_resched.cold (kernel/sched/core.c:9234) [ 10.644386][ T193] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.644389][ 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) [ 10.644394][ 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)) [ 10.644396][ T193] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.644403][ 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) [ 10.644406][ T193] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.644409][ T193] put_chars (drivers/char/virtio_console.c:1176) [ 10.644412][ T193] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.644415][ T193] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.644420][ T193] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.644427][ T193] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.644430][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.644433][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.644437][ T193] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.644440][ T193] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.644441][ 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)) [ 10.644444][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.644446][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.644450][ T193] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.644453][ T193] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.644455][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.644460][ T193] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.644462][ T193] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.644463][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.644465][ T193] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.644469][ T193] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.644471][ T193] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.644473][ T193] vprintk_emit (kernel/printk/printk.c:2479) [ 10.644477][ T193] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.644478][ T193] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.644481][ T193] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.644485][ 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 [ 10.644487][ T193] _printk (kernel/printk/printk.c:2504) [ 10.644491][ T193] ? snapshot_read.cold (user.c:?) [ 10.644493][ T193] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 10.644498][ T193] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.644502][ T193] ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021) [ 10.644505][ T193] br_init (bridge.mod.c:?) bridge [ 10.644517][ T193] do_one_initcall (init/main.c:1357) [ 10.644521][ T193] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.644525][ T193] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.644528][ T193] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.644533][ T193] do_init_module (kernel/module/main.c:3117) [ 10.644536][ T193] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.644539][ T193] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.644542][ T193] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.644546][ T193] load_module (kernel/module/main.c:3593) [ 10.644552][ T193] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.644557][ T193] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.644561][ T193] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.644564][ T193] init_module_from_file (kernel/module/main.c:3790) [ 10.644567][ T193] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 10.644574][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.644578][ 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) [ 10.644581][ T193] idempotent_init_module (kernel/module/main.c:3802) [ 10.644584][ T193] ? init_module_from_file (kernel/module/main.c:3791) [ 10.644590][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.644592][ T193] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.644597][ T193] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.644598][ T193] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.644602][ T193] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.644604][ T193] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.644607][ T193] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.644609][ T193] RIP: 0033:0x7f7ddc14f37d [ 10.644613][ 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 [ 10.644614][ T193] RSP: 002b:00007fff0aeb6b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.644617][ T193] RAX: ffffffffffffffda RBX: 000056358ee74810 RCX: 00007f7ddc14f37d [ 10.644618][ T193] RDX: 0000000000000000 RSI: 000056357728dffd RDI: 0000000000000002 [ 10.644619][ T193] RBP: 00007fff0aeb6c10 R08: 0000000000000000 R09: 0000000000000000 [ 10.644620][ T193] R10: 0000000000000000 R11: 0000000000000246 R12: 000056357728dffd [ 10.644621][ T193] R13: 000056358ee749c0 R14: 0000000000040000 R15: 0000000000000000 | [ 13.083739][ T71] softirqs last disabled at (3789): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.083742][ T71] Preemption disabled at: | [ 13.083742][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.083751][ T71] Tainted: [W]=WARN [ 13.083752][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.083754][ T71] Workqueue: netns cleanup_net [ 13.083757][ T71] Call Trace: [ 13.083759][ T71] [ 13.083761][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.083766][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.083768][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 13.083772][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.083776][ 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) [ 13.083781][ 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)) [ 13.083783][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.083790][ 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) [ 13.083793][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.083796][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 13.083800][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.083803][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.083809][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.083812][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.083817][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.083820][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083827][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.083830][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.083832][ 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)) [ 13.083834][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083836][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.083841][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.083845][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.083846][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.083852][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.083854][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.083856][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083858][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.083862][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.083864][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.083867][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 13.083870][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.083872][ T71] ? cleanup_net (net/core/net_namespace.c:706) [ 13.083873][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.083875][ T71] ? kthread (kernel/kthread.c:436) [ 13.083877][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 13.083881][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.083886][ T71] _printk (kernel/printk/printk.c:2504) [ 13.083889][ T71] ? snapshot_read.cold (user.c:?) [ 13.083894][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.083897][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.083901][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.083904][ T71] ? netdev_notice (net/core/dev.c:13194) [ 13.083908][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083910][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 13.083913][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 13.083915][ 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) [ 13.083918][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 13.083924][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 13.083928][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 13.083945][ T71] br_dev_delete (net/bridge/br_if.c:387) bridge [ 13.083956][ T71] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 13.083965][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 13.083969][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.083973][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 13.083975][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.083979][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 13.083984][ T71] cleanup_net (net/core/net_namespace.c:706) [ 13.083987][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 13.083991][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.083993][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083997][ T71] process_one_work (kernel/workqueue.c:3387) [ 13.084003][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.084006][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.084014][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.084018][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.084020][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.084023][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.084025][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.084026][ T71] kthread (kernel/kthread.c:436) [ 13.084028][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.084032][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.084035][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.084038][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.084041][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.084045][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars