====================================== | [ 10.975726][ T247] softirqs last disabled at (27261): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.975728][ T247] Preemption disabled at: | [ 10.975729][ T247] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.975738][ T247] Tainted: [W]=WARN [ 10.975739][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.975741][ T247] Call Trace: [ 10.975743][ T247] [ 10.975744][ T247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.975750][ T247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.975752][ T247] __might_resched.cold (kernel/sched/core.c:9234) [ 10.975757][ T247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.975761][ 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) [ 10.975766][ 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)) [ 10.975768][ T247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.975774][ 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) [ 10.975777][ T247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.975781][ T247] put_chars (drivers/char/virtio_console.c:1176) [ 10.975784][ T247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.975785][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.975790][ T247] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.975792][ T247] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.975797][ T247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.975799][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.975804][ T247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.975807][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975812][ T247] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.975816][ T247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.975818][ 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)) [ 10.975821][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975823][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.975827][ T247] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.975831][ T247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.975833][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.975838][ T247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.975841][ T247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.975843][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975845][ T247] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.975849][ T247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.975851][ T247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.975854][ T247] vprintk_emit (kernel/printk/printk.c:2479) [ 10.975858][ T247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.975863][ T247] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 10.975867][ T247] _printk (kernel/printk/printk.c:2504) [ 10.975871][ T247] ? snapshot_read.cold (user.c:?) [ 10.975877][ 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) [ 10.975881][ 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 [ 10.975884][ T247] do_one_initcall (init/main.c:1357) [ 10.975886][ T247] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.975891][ T247] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.975894][ T247] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.975899][ T247] do_init_module (kernel/module/main.c:3117) [ 10.975902][ T247] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.975907][ T247] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.975910][ T247] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.975914][ T247] load_module (kernel/module/main.c:3593) [ 10.975921][ T247] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.975925][ T247] ? __ia32_sys_fsconfig (??:?) [ 10.975928][ T247] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.975932][ T247] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.975935][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.975939][ T247] init_module_from_file (kernel/module/main.c:3790) [ 10.975942][ T247] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.975950][ T247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.975953][ 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) [ 10.975956][ T247] idempotent_init_module (kernel/module/main.c:3802) [ 10.975960][ T247] ? init_module_from_file (kernel/module/main.c:3791) [ 10.975966][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.975968][ T247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.975974][ T247] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.975977][ T247] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.975980][ T247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.975982][ T247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.975985][ T247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.975987][ T247] RIP: 0033:0x7f62e863237d [ 10.975990][ 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 [ 10.975992][ T247] RSP: 002b:00007fffcaaec438 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.975995][ T247] RAX: ffffffffffffffda RBX: 000055a3f0ad5810 RCX: 00007f62e863237d [ 10.975996][ T247] RDX: 0000000000000000 RSI: 000055a3bbc3affd RDI: 0000000000000000 [ 10.975997][ T247] RBP: 00007fffcaaec4d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.975998][ T247] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a3bbc3affd [ 10.975999][ T247] R13: 000055a3f0ad5960 R14: 0000000000040000 R15: 0000000000000000 | [ 13.076409][ T325] softirqs last disabled at (22789): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.076412][ T325] Preemption disabled at: | [ 13.076412][ T325] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.076421][ T325] Tainted: [W]=WARN [ 13.076422][ T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.076424][ T325] Call Trace: [ 13.076425][ T325] [ 13.076427][ T325] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.076433][ T325] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.076435][ T325] __might_resched.cold (kernel/sched/core.c:9234) [ 13.076440][ T325] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.076444][ T325] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.076449][ T325] __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)) [ 13.076451][ T325] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.076457][ T325] ? 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) [ 13.076460][ T325] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.076464][ T325] put_chars (drivers/char/virtio_console.c:1176) [ 13.076466][ T325] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.076468][ T325] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.076471][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.076474][ T325] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.076478][ T325] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.076481][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.076482][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.076487][ T325] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.076488][ T325] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.076491][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.076494][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.076498][ T325] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.076502][ T325] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.076504][ T325] ? 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)) [ 13.076507][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.076509][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.076513][ T325] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.076517][ T325] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.076519][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.076524][ T325] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.076527][ T325] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.076529][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.076531][ T325] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.076535][ T325] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.076537][ T325] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.076540][ T325] vprintk_emit (kernel/printk/printk.c:2479) [ 13.076544][ T325] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.076550][ T325] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.076552][ T325] _printk (kernel/printk/printk.c:2504) [ 13.076556][ T325] ? snapshot_read.cold (user.c:?) [ 13.076562][ T325] ? 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) [ 13.076565][ T325] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.076568][ T325] do_one_initcall (init/main.c:1357) [ 13.076571][ T325] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.076575][ T325] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.076579][ T325] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.076583][ T325] do_init_module (kernel/module/main.c:3117) [ 13.076587][ T325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.076591][ T325] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.076594][ T325] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.076599][ T325] load_module (kernel/module/main.c:3593) [ 13.076606][ T325] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.076610][ T325] ? __ia32_sys_fsconfig (??:?) [ 13.076613][ T325] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.076615][ T325] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.076619][ T325] init_module_from_file (kernel/module/main.c:3790) [ 13.076623][ T325] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.076631][ T325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.076634][ T325] ? 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) [ 13.076637][ T325] idempotent_init_module (kernel/module/main.c:3802) [ 13.076641][ T325] ? init_module_from_file (kernel/module/main.c:3791) [ 13.076647][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.076649][ T325] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.076656][ T325] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.076658][ T325] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.076664][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.076666][ T325] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.076668][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.076671][ T325] RIP: 0033:0x7f5ddbb9837d [ 13.076674][ T325] 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 [ 13.076676][ T325] RSP: 002b:00007fffde612418 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.076679][ T325] RAX: ffffffffffffffda RBX: 000056132a3ac810 RCX: 00007f5ddbb9837d [ 13.076680][ T325] RDX: 0000000000000000 RSI: 00005613189d6ffd RDI: 0000000000000000 [ 13.076681][ T325] RBP: 00007fffde6124b0 R08: 0000000000000000 R09: 0000000000000000 [ 13.076682][ T325] R10: 0000000000000000 R11: 0000000000000246 R12: 00005613189d6ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars