====================================== | [ 11.277100][ T263] softirqs last disabled at (30059): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.277102][ T263] Preemption disabled at: | [ 11.277103][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.277112][ T263] Tainted: [W]=WARN [ 11.277113][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.277114][ T263] Call Trace: [ 11.277116][ T263] [ 11.277117][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.277123][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.277126][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 11.277130][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.277135][ T263] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.277140][ T263] __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)) [ 11.277142][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.277148][ T263] ? 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) [ 11.277151][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.277154][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 11.277156][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.277159][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.277163][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.277167][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.277170][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.277171][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.277176][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.277177][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.277180][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.277183][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.277187][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.277191][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.277193][ T263] ? 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)) [ 11.277196][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.277198][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.277202][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.277209][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.277211][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.277218][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.277221][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.277223][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.277225][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.277229][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.277231][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.277234][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 11.277238][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.277244][ T263] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.277247][ T263] _printk (kernel/printk/printk.c:2504) [ 11.277250][ T263] ? snapshot_read.cold (user.c:?) [ 11.277257][ T263] ? 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) [ 11.277260][ T263] gre_init (gre.mod.c:?) gre [ 11.277262][ T263] do_one_initcall (init/main.c:1357) [ 11.277264][ T263] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.277269][ T263] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.277278][ T263] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.277283][ T263] do_init_module (kernel/module/main.c:3117) [ 11.277287][ T263] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.277289][ T263] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.277293][ T263] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.277297][ T263] load_module (kernel/module/main.c:3593) [ 11.277304][ T263] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.277309][ T263] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.277313][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.277317][ T263] init_module_from_file (kernel/module/main.c:3790) [ 11.277320][ T263] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.277328][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.277331][ T263] ? 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) [ 11.277334][ T263] idempotent_init_module (kernel/module/main.c:3802) [ 11.277338][ T263] ? init_module_from_file (kernel/module/main.c:3791) [ 11.277344][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.277346][ T263] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.277352][ T263] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.277354][ T263] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.277358][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.277360][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.277363][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.277365][ T263] RIP: 0033:0x7fe0e9e1837d [ 11.277369][ T263] 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 [ 11.277371][ T263] RSP: 002b:00007ffe3091b6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.277373][ T263] RAX: ffffffffffffffda RBX: 000055f09b76aa40 RCX: 00007fe0e9e1837d [ 11.277375][ T263] RDX: 0000000000000000 RSI: 000055f07dc22ffd RDI: 0000000000000001 [ 11.277376][ T263] RBP: 00007ffe3091b750 R08: 0000000000000000 R09: 0000000000000000 [ 11.277376][ T263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f07dc22ffd [ 11.277377][ T263] R13: 000055f09b76aa00 R14: 0000000000040000 R15: 0000000000000000 | [ 12.921227][ T323] softirqs last disabled at (14239): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.921230][ T323] Preemption disabled at: | [ 12.921230][ T323] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.921239][ T323] Tainted: [W]=WARN [ 12.921240][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.921242][ T323] Call Trace: [ 12.921243][ T323] [ 12.921245][ T323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.921251][ T323] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.921253][ T323] __might_resched.cold (kernel/sched/core.c:9234) [ 12.921258][ T323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.921262][ T323] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.921267][ T323] __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)) [ 12.921269][ T323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.921275][ T323] ? 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) [ 12.921278][ T323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.921286][ T323] put_chars (drivers/char/virtio_console.c:1176) [ 12.921288][ T323] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.921291][ T323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.921294][ T323] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.921297][ T323] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.921302][ T323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.921304][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.921306][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.921311][ T323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.921312][ T323] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.921315][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.921318][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.921322][ T323] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.921326][ T323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.921328][ T323] ? 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)) [ 12.921331][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.921333][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.921337][ T323] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.921341][ T323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.921343][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.921348][ T323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.921351][ T323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.921353][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.921356][ T323] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.921359][ T323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.921361][ T323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.921364][ T323] vprintk_emit (kernel/printk/printk.c:2479) [ 12.921368][ T323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.921374][ T323] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 12.921377][ T323] _printk (kernel/printk/printk.c:2504) [ 12.921381][ T323] ? snapshot_read.cold (user.c:?) [ 12.921387][ T323] ? 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) [ 12.921390][ T323] gact_init_module (net/sched/act_gact.c:180) act_gact [ 12.921392][ T323] do_one_initcall (init/main.c:1357) [ 12.921395][ T323] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.921402][ T323] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.921406][ T323] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.921411][ T323] do_init_module (kernel/module/main.c:3117) [ 12.921415][ T323] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.921419][ T323] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.921422][ T323] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.921427][ T323] load_module (kernel/module/main.c:3593) [ 12.921434][ T323] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.921438][ T323] ? __ia32_sys_fsconfig (??:?) [ 12.921441][ T323] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.921445][ T323] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.921448][ T323] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.921452][ T323] init_module_from_file (kernel/module/main.c:3790) [ 12.921455][ T323] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.921463][ T323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.921467][ T323] ? 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) [ 12.921470][ T323] idempotent_init_module (kernel/module/main.c:3802) [ 12.921474][ T323] ? init_module_from_file (kernel/module/main.c:3791) [ 12.921480][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.921482][ T323] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.921488][ T323] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.921490][ T323] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.921494][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.921496][ T323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.921499][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.921501][ T323] RIP: 0033:0x7fdd837fe37d [ 12.921504][ T323] 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 [ 12.921506][ T323] RSP: 002b:00007fffc74be398 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.921509][ T323] RAX: ffffffffffffffda RBX: 000056034e070810 RCX: 00007fdd837fe37d [ 12.921510][ T323] RDX: 0000000000000000 RSI: 000056030fb3bffd RDI: 0000000000000000 [ 12.921511][ T323] RBP: 00007fffc74be430 R08: 0000000000000000 R09: 0000000000000000 [ 12.921512][ T323] R10: 0000000000000000 R11: 0000000000000246 R12: 000056030fb3bffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars