====================================== | [ 12.237233][ T243] softirqs last disabled at (26477): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.237235][ T243] Preemption disabled at: | [ 12.237236][ T243] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.237245][ T243] Tainted: [W]=WARN [ 12.237246][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.237248][ T243] Call Trace: [ 12.237249][ T243] [ 12.237251][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.237256][ T243] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.237259][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 12.237263][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.237270][ T243] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.237276][ T243] __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)) [ 12.237278][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.237284][ T243] ? 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) [ 12.237287][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.237291][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 12.237294][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.237296][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.237301][ T243] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.237303][ T243] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.237308][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.237310][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.237315][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.237317][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.237322][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.237326][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.237328][ T243] ? 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)) [ 12.237331][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.237333][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.237337][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.237341][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.237343][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.237348][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.237351][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.237352][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.237355][ T243] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.237358][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.237360][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.237363][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 12.237367][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.237372][ T243] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 12.237376][ T243] _printk (kernel/printk/printk.c:2504) [ 12.237380][ T243] ? snapshot_read.cold (user.c:?) [ 12.237386][ T243] ? 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) [ 12.237389][ T243] 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 [ 12.237392][ T243] do_one_initcall (init/main.c:1357) [ 12.237394][ T243] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.237399][ T243] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.237402][ T243] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.237406][ T243] do_init_module (kernel/module/main.c:3117) [ 12.237410][ T243] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.237414][ T243] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.237417][ T243] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.237421][ T243] load_module (kernel/module/main.c:3593) [ 12.237428][ T243] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.237432][ T243] ? __ia32_sys_fsconfig (??:?) [ 12.237435][ T243] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.237438][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.237442][ T243] init_module_from_file (kernel/module/main.c:3790) [ 12.237445][ T243] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.237453][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.237456][ T243] ? 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) [ 12.237459][ T243] idempotent_init_module (kernel/module/main.c:3802) [ 12.237462][ T243] ? init_module_from_file (kernel/module/main.c:3791) [ 12.237469][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.237471][ T243] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.237477][ T243] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.237479][ T243] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.237483][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.237485][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.237488][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.237490][ T243] RIP: 0033:0x7fb46720937d [ 12.237493][ T243] 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 [ 12.237495][ T243] RSP: 002b:00007ffd5e473838 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.237497][ T243] RAX: ffffffffffffffda RBX: 00005586a5bcf810 RCX: 00007fb46720937d [ 12.237499][ T243] RDX: 0000000000000000 RSI: 00005586a5539ffd RDI: 0000000000000000 [ 12.237500][ T243] RBP: 00007ffd5e4738d0 R08: 0000000000000000 R09: 0000000000000000 [ 12.237501][ T243] R10: 0000000000000000 R11: 0000000000000246 R12: 00005586a5539ffd [ 12.237501][ T243] R13: 00005586a5bcf960 R14: 0000000000040000 R15: 0000000000000000 | [ 14.227510][ T313] softirqs last disabled at (22391): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.227513][ T313] Preemption disabled at: | [ 14.227513][ T313] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.227523][ T313] Tainted: [W]=WARN [ 14.227524][ T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.227525][ T313] Call Trace: [ 14.227527][ T313] [ 14.227528][ T313] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.227534][ T313] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.227537][ T313] __might_resched.cold (kernel/sched/core.c:9234) [ 14.227541][ T313] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.227545][ T313] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.227550][ T313] __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)) [ 14.227553][ T313] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.227558][ T313] ? 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) [ 14.227561][ T313] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.227564][ T313] put_chars (drivers/char/virtio_console.c:1176) [ 14.227566][ T313] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.227569][ T313] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.227571][ T313] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.227575][ T313] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.227579][ T313] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.227581][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.227583][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.227587][ T313] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.227589][ T313] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.227592][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.227595][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.227598][ T313] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.227602][ T313] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.227604][ T313] ? 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)) [ 14.227607][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.227609][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.227613][ T313] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.227617][ T313] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.227619][ T313] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.227624][ T313] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.227626][ T313] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.227628][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.227630][ T313] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.227634][ T313] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.227635][ T313] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.227638][ T313] vprintk_emit (kernel/printk/printk.c:2479) [ 14.227642][ T313] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.227648][ T313] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 14.227650][ T313] _printk (kernel/printk/printk.c:2504) [ 14.227654][ T313] ? snapshot_read.cold (user.c:?) [ 14.227660][ T313] ? 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) [ 14.227663][ T313] gact_init_module (net/sched/act_gact.c:180) act_gact [ 14.227665][ T313] do_one_initcall (init/main.c:1357) [ 14.227668][ T313] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.227672][ T313] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.227675][ T313] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.227680][ T313] do_init_module (kernel/module/main.c:3117) [ 14.227684][ T313] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.227688][ T313] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.227691][ T313] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.227695][ T313] load_module (kernel/module/main.c:3593) [ 14.227702][ T313] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.227706][ T313] ? __ia32_sys_fsconfig (??:?) [ 14.227708][ T313] ? ovl_real_file (fs/overlayfs/file.c:195) [ 14.227712][ T313] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.227714][ T313] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.227717][ T313] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.227721][ T313] init_module_from_file (kernel/module/main.c:3790) [ 14.227724][ T313] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.227732][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.227735][ T313] ? 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) [ 14.227738][ T313] idempotent_init_module (kernel/module/main.c:3802) [ 14.227742][ T313] ? init_module_from_file (kernel/module/main.c:3791) [ 14.227748][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.227750][ T313] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.227756][ T313] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.227758][ T313] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.227762][ T313] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.227763][ T313] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.227767][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.227770][ T313] RIP: 0033:0x7f5e707ec37d [ 14.227775][ T313] 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 [ 14.227778][ T313] RSP: 002b:00007ffdc1bb8d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.227781][ T313] RAX: ffffffffffffffda RBX: 00005607d067a810 RCX: 00007f5e707ec37d [ 14.227783][ T313] RDX: 0000000000000000 RSI: 00005607c4320ffd RDI: 0000000000000000 [ 14.227784][ T313] RBP: 00007ffdc1bb8db0 R08: 0000000000000000 R09: 0000000000000000 [ 14.227785][ T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00005607c4320ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars