====================================== | [ 12.235461][ T247] softirqs last disabled at (29235): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.235463][ T247] Preemption disabled at: | [ 12.235464][ T247] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.235474][ T247] Tainted: [W]=WARN [ 12.235475][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.235476][ T247] Call Trace: [ 12.235478][ T247] [ 12.235479][ T247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.235485][ T247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.235487][ T247] __might_resched.cold (kernel/sched/core.c:9234) [ 12.235491][ T247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.235495][ T247] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.235500][ T247] __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)) [ 12.235503][ T247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.235508][ T247] ? 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) [ 12.235511][ T247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.235514][ T247] put_chars (drivers/char/virtio_console.c:1176) [ 12.235517][ T247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.235519][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.235523][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.235526][ T247] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.235530][ T247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.235533][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235538][ T247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.235540][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235545][ T247] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.235549][ T247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.235551][ T247] ? 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)) [ 12.235554][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235556][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.235560][ T247] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.235564][ T247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.235565][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235570][ T247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.235573][ T247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.235575][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235577][ T247] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.235580][ T247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.235582][ T247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.235585][ T247] vprintk_emit (kernel/printk/printk.c:2479) [ 12.235589][ T247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.235595][ T247] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.235599][ T247] _printk (kernel/printk/printk.c:2504) [ 12.235603][ T247] ? snapshot_read.cold (user.c:?) [ 12.235609][ T247] ? 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) [ 12.235612][ T247] 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 [ 12.235615][ T247] do_one_initcall (init/main.c:1357) [ 12.235618][ T247] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.235622][ T247] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.235625][ T247] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.235630][ T247] do_init_module (kernel/module/main.c:3117) [ 12.235633][ T247] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.235638][ T247] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.235641][ T247] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.235644][ T247] load_module (kernel/module/main.c:3593) [ 12.235651][ T247] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.235655][ T247] ? __ia32_sys_fsconfig (??:?) [ 12.235658][ T247] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.235662][ T247] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.235665][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.235669][ T247] init_module_from_file (kernel/module/main.c:3790) [ 12.235672][ T247] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.235680][ T247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.235683][ T247] ? 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) [ 12.235686][ T247] idempotent_init_module (kernel/module/main.c:3802) [ 12.235689][ T247] ? init_module_from_file (kernel/module/main.c:3791) [ 12.235695][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235698][ T247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.235703][ T247] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.235705][ T247] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.235709][ T247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.235711][ T247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.235713][ T247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.235716][ T247] RIP: 0033:0x7f122918337d [ 12.235719][ T247] 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 [ 12.235721][ T247] RSP: 002b:00007ffccbcbb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.235724][ T247] RAX: ffffffffffffffda RBX: 000055b6087ef810 RCX: 00007f122918337d [ 12.235726][ T247] RDX: 0000000000000000 RSI: 000055b5e4641ffd RDI: 0000000000000000 [ 12.235726][ T247] RBP: 00007ffccbcbb0d0 R08: 0000000000000000 R09: 0000000000000000 [ 12.235727][ T247] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b5e4641ffd [ 12.235728][ T247] R13: 000055b6087ef960 R14: 0000000000040000 R15: 0000000000000000 | [ 14.760801][ T324] softirqs last disabled at (23803): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.760803][ T324] Preemption disabled at: | [ 14.760804][ T324] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.760813][ T324] Tainted: [W]=WARN [ 14.760814][ T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.760816][ T324] Call Trace: [ 14.760818][ T324] [ 14.760819][ T324] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.760825][ T324] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.760827][ T324] __might_resched.cold (kernel/sched/core.c:9234) [ 14.760832][ T324] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.760836][ T324] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.760841][ T324] __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)) [ 14.760843][ T324] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.760849][ T324] ? 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) [ 14.760852][ T324] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.760855][ T324] put_chars (drivers/char/virtio_console.c:1176) [ 14.760857][ T324] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.760859][ T324] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.760862][ T324] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.760866][ T324] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.760870][ T324] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.760873][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.760874][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.760879][ T324] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.760880][ T324] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.760883][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.760886][ T324] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.760889][ T324] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.760893][ T324] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.760895][ T324] ? 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)) [ 14.760898][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.760900][ T324] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.760904][ T324] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.760908][ T324] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.760910][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.760915][ T324] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.760917][ T324] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.760919][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.760921][ T324] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.760925][ T324] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.760927][ T324] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.760930][ T324] vprintk_emit (kernel/printk/printk.c:2479) [ 14.760934][ T324] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.760939][ T324] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 14.760942][ T324] _printk (kernel/printk/printk.c:2504) [ 14.760947][ T324] ? snapshot_read.cold (user.c:?) [ 14.760953][ T324] ? 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) [ 14.760955][ T324] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.760958][ T324] do_one_initcall (init/main.c:1357) [ 14.760961][ T324] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.760966][ T324] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.760968][ T324] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.760973][ T324] do_init_module (kernel/module/main.c:3117) [ 14.760977][ T324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.760981][ T324] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.760984][ T324] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.760988][ T324] load_module (kernel/module/main.c:3593) [ 14.760995][ T324] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.760999][ T324] ? __ia32_sys_fsconfig (??:?) [ 14.761002][ T324] ? ovl_real_file (fs/overlayfs/file.c:195) [ 14.761006][ T324] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.761009][ T324] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.761013][ T324] init_module_from_file (kernel/module/main.c:3790) [ 14.761016][ T324] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.761026][ T324] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.761029][ T324] ? 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) [ 14.761032][ T324] idempotent_init_module (kernel/module/main.c:3802) [ 14.761036][ T324] ? init_module_from_file (kernel/module/main.c:3791) [ 14.761042][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.761044][ T324] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.761050][ T324] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.761052][ T324] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.761056][ T324] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.761057][ T324] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.761060][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.761063][ T324] RIP: 0033:0x7f5299aee37d [ 14.761066][ T324] 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 [ 14.761068][ T324] RSP: 002b:00007fff0abc3a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.761071][ T324] RAX: ffffffffffffffda RBX: 0000559115e09810 RCX: 00007f5299aee37d [ 14.761072][ T324] RDX: 0000000000000000 RSI: 000055910a274ffd RDI: 0000000000000000 [ 14.761073][ T324] RBP: 00007fff0abc3ad0 R08: 0000000000000000 R09: 0000000000000000 [ 14.761074][ T324] R10: 0000000000000000 R11: 0000000000000246 R12: 000055910a274ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars