====================================== | [ 11.813115][ T247] softirqs last disabled at (26457): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.813117][ T247] Preemption disabled at: | [ 11.813118][ T247] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.813128][ T247] Tainted: [W]=WARN [ 11.813128][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.813130][ T247] Call Trace: [ 11.813132][ T247] [ 11.813133][ T247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.813140][ T247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.813144][ T247] __might_resched.cold (kernel/sched/core.c:9234) [ 11.813149][ T247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.813153][ 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) [ 11.813158][ 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)) [ 11.813160][ T247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.813166][ 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) [ 11.813168][ T247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.813172][ T247] put_chars (drivers/char/virtio_console.c:1176) [ 11.813174][ T247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.813176][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.813180][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.813183][ T247] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.813191][ T247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.813193][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.813198][ T247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.813201][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.813206][ T247] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.813209][ T247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.813211][ 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)) [ 11.813221][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.813223][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.813227][ T247] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.813232][ T247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.813233][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.813242][ T247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.813246][ T247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.813247][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.813250][ T247] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.813253][ T247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.813255][ T247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.813259][ T247] vprintk_emit (kernel/printk/printk.c:2479) [ 11.813263][ T247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.813268][ T247] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.813272][ T247] _printk (kernel/printk/printk.c:2504) [ 11.813276][ T247] ? snapshot_read.cold (user.c:?) [ 11.813282][ 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) [ 11.813285][ 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 [ 11.813288][ T247] do_one_initcall (init/main.c:1357) [ 11.813291][ T247] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.813295][ T247] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.813301][ T247] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.813307][ T247] do_init_module (kernel/module/main.c:3117) [ 11.813310][ T247] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.813315][ T247] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.813318][ T247] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.813322][ T247] load_module (kernel/module/main.c:3593) [ 11.813329][ T247] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.813333][ T247] ? __ia32_sys_fsconfig (??:?) [ 11.813336][ T247] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.813340][ T247] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.813343][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.813349][ T247] init_module_from_file (kernel/module/main.c:3790) [ 11.813353][ T247] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.813361][ T247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.813364][ 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) [ 11.813368][ T247] idempotent_init_module (kernel/module/main.c:3802) [ 11.813371][ T247] ? init_module_from_file (kernel/module/main.c:3791) [ 11.813377][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.813379][ T247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.813385][ T247] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.813387][ T247] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.813393][ T247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.813395][ T247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.813398][ T247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.813401][ T247] RIP: 0033:0x7f24ad71037d [ 11.813404][ 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 [ 11.813406][ T247] RSP: 002b:00007fffab727688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.813409][ T247] RAX: ffffffffffffffda RBX: 0000564c1aa6a810 RCX: 00007f24ad71037d [ 11.813410][ T247] RDX: 0000000000000000 RSI: 0000564c052acffd RDI: 0000000000000000 [ 11.813411][ T247] RBP: 00007fffab727720 R08: 0000000000000000 R09: 0000000000000000 [ 11.813412][ T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c052acffd [ 11.813413][ T247] R13: 0000564c1aa6a960 R14: 0000000000040000 R15: 0000000000000000 | [ 13.973856][ T327] softirqs last disabled at (17269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.973858][ T327] Preemption disabled at: | [ 13.973858][ T327] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.973868][ T327] Tainted: [W]=WARN [ 13.973869][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.973871][ T327] Call Trace: [ 13.973873][ T327] [ 13.973874][ T327] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.973880][ T327] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.973882][ T327] __might_resched.cold (kernel/sched/core.c:9234) [ 13.973887][ T327] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.973891][ T327] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.973896][ T327] __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)) [ 13.973898][ T327] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.973904][ T327] ? 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) [ 13.973907][ T327] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.973910][ T327] put_chars (drivers/char/virtio_console.c:1176) [ 13.973912][ T327] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.973914][ T327] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.973917][ T327] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.973921][ T327] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.973925][ T327] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.973928][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973930][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973934][ T327] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.973936][ T327] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.973939][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973942][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.973946][ T327] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.973950][ T327] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.973951][ T327] ? 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)) [ 13.973955][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973957][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.973961][ T327] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.973965][ T327] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.973967][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.973972][ T327] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.973975][ T327] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.973977][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.973979][ T327] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.973983][ T327] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.973985][ T327] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.973988][ T327] vprintk_emit (kernel/printk/printk.c:2479) [ 13.973993][ T327] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.973998][ T327] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.974001][ T327] _printk (kernel/printk/printk.c:2504) [ 13.974005][ T327] ? snapshot_read.cold (user.c:?) [ 13.974011][ T327] ? 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) [ 13.974014][ T327] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.974017][ T327] do_one_initcall (init/main.c:1357) [ 13.974020][ T327] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.974024][ T327] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.974027][ T327] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.974032][ T327] do_init_module (kernel/module/main.c:3117) [ 13.974036][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.974040][ T327] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.974043][ T327] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.974047][ T327] load_module (kernel/module/main.c:3593) [ 13.974054][ T327] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.974058][ T327] ? __ia32_sys_fsconfig (??:?) [ 13.974061][ T327] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.974065][ T327] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.974068][ T327] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.974072][ T327] init_module_from_file (kernel/module/main.c:3790) [ 13.974075][ T327] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.974083][ T327] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.974086][ T327] ? 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) [ 13.974089][ T327] idempotent_init_module (kernel/module/main.c:3802) [ 13.974093][ T327] ? init_module_from_file (kernel/module/main.c:3791) [ 13.974099][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.974101][ T327] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.974107][ T327] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.974109][ T327] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.974113][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.974115][ T327] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.974118][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.974120][ T327] RIP: 0033:0x7f839979337d [ 13.974123][ T327] 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 [ 13.974125][ T327] RSP: 002b:00007ffec1ae6f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.974128][ T327] RAX: ffffffffffffffda RBX: 000056523fb5d810 RCX: 00007f839979337d [ 13.974129][ T327] RDX: 0000000000000000 RSI: 000056523e3f4ffd RDI: 0000000000000000 [ 13.974130][ T327] RBP: 00007ffec1ae6fb0 R08: 0000000000000000 R09: 0000000000000000 [ 13.974131][ T327] R10: 0000000000000000 R11: 0000000000000246 R12: 000056523e3f4ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars