====================================== | [ 12.220067][ T290] softirqs last disabled at (19709): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.220070][ T290] Preemption disabled at: | [ 12.220070][ T290] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.220080][ T290] Tainted: [W]=WARN [ 12.220081][ T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.220083][ T290] Call Trace: [ 12.220084][ T290] [ 12.220086][ T290] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.220091][ T290] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.220094][ T290] __might_resched.cold (kernel/sched/core.c:9234) [ 12.220099][ T290] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.220103][ T290] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.220108][ T290] __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)) [ 12.220111][ T290] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.220116][ T290] ? 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) [ 12.220119][ T290] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.220122][ T290] put_chars (drivers/char/virtio_console.c:1176) [ 12.220125][ T290] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.220126][ T290] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.220131][ T290] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.220133][ T290] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.220138][ T290] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.220141][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.220146][ T290] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.220148][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.220153][ T290] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.220157][ T290] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.220159][ T290] ? 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)) [ 12.220162][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.220165][ T290] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.220168][ T290] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.220173][ T290] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.220174][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.220180][ T290] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.220182][ T290] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.220184][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.220187][ T290] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.220190][ T290] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.220192][ T290] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.220195][ T290] vprintk_emit (kernel/printk/printk.c:2479) [ 12.220200][ T290] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.220205][ T290] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.220209][ T290] _printk (kernel/printk/printk.c:2504) [ 12.220213][ T290] ? snapshot_read.cold (user.c:?) [ 12.220219][ T290] ? 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) [ 12.220223][ T290] 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 [ 12.220226][ T290] do_one_initcall (init/main.c:1357) [ 12.220229][ T290] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.220233][ T290] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.220236][ T290] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.220241][ T290] do_init_module (kernel/module/main.c:3117) [ 12.220245][ T290] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.220249][ T290] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.220252][ T290] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.220256][ T290] load_module (kernel/module/main.c:3593) [ 12.220264][ T290] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.220267][ T290] ? __ia32_sys_fsconfig (??:?) [ 12.220270][ T290] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.220274][ T290] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.220278][ T290] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.220282][ T290] init_module_from_file (kernel/module/main.c:3790) [ 12.220285][ T290] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.220293][ T290] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.220297][ T290] ? 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) [ 12.220300][ T290] idempotent_init_module (kernel/module/main.c:3802) [ 12.220303][ T290] ? init_module_from_file (kernel/module/main.c:3791) [ 12.220310][ T290] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.220312][ T290] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.220318][ T290] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.220320][ T290] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.220324][ T290] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.220325][ T290] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.220328][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.220330][ T290] RIP: 0033:0x7f7418a3037d [ 12.220334][ T290] 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 [ 12.220335][ T290] RSP: 002b:00007fff59dd8258 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.220338][ T290] RAX: ffffffffffffffda RBX: 000055db68f4f810 RCX: 00007f7418a3037d [ 12.220340][ T290] RDX: 0000000000000000 RSI: 000055db3feb6ffd RDI: 0000000000000000 [ 12.220341][ T290] RBP: 00007fff59dd82f0 R08: 0000000000000000 R09: 0000000000000000 [ 12.220341][ T290] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db3feb6ffd [ 12.220342][ T290] R13: 000055db68f4f960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.395737][ T389] softirqs last disabled at (22999): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.395739][ T389] Preemption disabled at: | [ 19.395740][ T389] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.395749][ T389] Tainted: [W]=WARN [ 19.395750][ T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.395752][ T389] Call Trace: [ 19.395754][ T389] [ 19.395755][ T389] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.395766][ T389] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.395768][ T389] __might_resched.cold (kernel/sched/core.c:9234) [ 19.395772][ T389] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.395777][ T389] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.395782][ T389] __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)) [ 19.395784][ T389] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.395790][ T389] ? 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) [ 19.395792][ T389] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.395795][ T389] put_chars (drivers/char/virtio_console.c:1176) [ 19.395797][ T389] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.395799][ T389] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.395802][ T389] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.395805][ T389] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.395809][ T389] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.395812][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.395813][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.395818][ T389] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.395819][ T389] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.395822][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395825][ T389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.395829][ T389] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.395833][ T389] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.395834][ T389] ? 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)) [ 19.395837][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395840][ T389] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.395844][ T389] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.395848][ T389] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.395849][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.395854][ T389] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.395857][ T389] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.395859][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395861][ T389] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.395865][ T389] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.395866][ T389] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.395870][ T389] vprintk_emit (kernel/printk/printk.c:2479) [ 19.395874][ T389] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.395879][ T389] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 19.395882][ T389] _printk (kernel/printk/printk.c:2504) [ 19.395886][ T389] ? snapshot_read.cold (user.c:?) [ 19.395892][ T389] ? 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) [ 19.395895][ T389] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.395898][ T389] do_one_initcall (init/main.c:1357) [ 19.395900][ T389] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.395905][ T389] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.395908][ T389] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.395913][ T389] do_init_module (kernel/module/main.c:3117) [ 19.395916][ T389] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.395921][ T389] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.395924][ T389] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.395928][ T389] load_module (kernel/module/main.c:3593) [ 19.395935][ T389] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.395939][ T389] ? __ia32_sys_fsconfig (??:?) [ 19.395941][ T389] ? ovl_real_file (fs/overlayfs/file.c:195) [ 19.395945][ T389] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.395949][ T389] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.395952][ T389] init_module_from_file (kernel/module/main.c:3790) [ 19.395956][ T389] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.395969][ T389] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.395973][ T389] ? 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) [ 19.395975][ T389] idempotent_init_module (kernel/module/main.c:3802) [ 19.395979][ T389] ? init_module_from_file (kernel/module/main.c:3791) [ 19.395985][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.395987][ T389] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.395993][ T389] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.395995][ T389] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.395999][ T389] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.396000][ T389] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.396003][ T389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.396006][ T389] RIP: 0033:0x7fb7baa6537d [ 19.396009][ T389] 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 [ 19.396010][ T389] RSP: 002b:00007fff77d499b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.396013][ T389] RAX: ffffffffffffffda RBX: 0000558736c06810 RCX: 00007fb7baa6537d [ 19.396015][ T389] RDX: 0000000000000000 RSI: 000055870a017ffd RDI: 0000000000000000 [ 19.396015][ T389] RBP: 00007fff77d49a50 R08: 0000000000000000 R09: 0000000000000000 [ 19.396016][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 000055870a017ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars