====================================== | [ 12.071019][ T263] softirqs last disabled at (24105): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.071021][ T263] Preemption disabled at: | [ 12.071022][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.071030][ T263] Tainted: [W]=WARN [ 12.071031][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.071033][ T263] Call Trace: [ 12.071035][ T263] [ 12.071036][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.071042][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.071044][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 12.071048][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.071052][ 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) [ 12.071057][ 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)) [ 12.071060][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.071065][ 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) [ 12.071068][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.071071][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 12.071073][ T263] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.071075][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.071078][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.071082][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.071086][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.071089][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.071090][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.071094][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.071096][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.071099][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071102][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.071106][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.071109][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.071111][ 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)) [ 12.071114][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071116][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.071120][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.071124][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.071126][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.071130][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.071133][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.071135][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071137][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.071141][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.071142][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.071146][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 12.071150][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.071155][ T263] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.071158][ T263] _printk (kernel/printk/printk.c:2504) [ 12.071162][ T263] ? snapshot_read.cold (user.c:?) [ 12.071168][ 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) [ 12.071170][ T263] gre_init (gre.mod.c:?) gre [ 12.071173][ T263] do_one_initcall (init/main.c:1357) [ 12.071175][ T263] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.071180][ T263] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.071183][ T263] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.071188][ T263] do_init_module (kernel/module/main.c:3117) [ 12.071191][ T263] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.071195][ T263] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.071199][ T263] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.071202][ T263] load_module (kernel/module/main.c:3593) [ 12.071209][ T263] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.071214][ T263] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.071218][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.071222][ T263] init_module_from_file (kernel/module/main.c:3790) [ 12.071225][ T263] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.071233][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.071236][ 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) [ 12.071239][ T263] idempotent_init_module (kernel/module/main.c:3802) [ 12.071242][ T263] ? init_module_from_file (kernel/module/main.c:3791) [ 12.071248][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071251][ T263] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.071257][ T263] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.071259][ T263] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.071263][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.071265][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.071267][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.071270][ T263] RIP: 0033:0x7fd0b18ce37d [ 12.071273][ 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 [ 12.071275][ T263] RSP: 002b:00007ffd6ff61688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.071277][ T263] RAX: ffffffffffffffda RBX: 0000556ca975ca40 RCX: 00007fd0b18ce37d [ 12.071279][ T263] RDX: 0000000000000000 RSI: 0000556c6ebfeffd RDI: 0000000000000001 [ 12.071280][ T263] RBP: 00007ffd6ff61720 R08: 0000000000000000 R09: 0000000000000000 [ 12.071281][ T263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c6ebfeffd [ 12.071281][ T263] R13: 0000556ca975ca00 R14: 0000000000040000 R15: 0000000000000000 | [ 13.905112][ T325] softirqs last disabled at (22099): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.905115][ T325] Preemption disabled at: | [ 13.905115][ T325] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.905124][ T325] Tainted: [W]=WARN [ 13.905125][ T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.905127][ T325] Call Trace: [ 13.905128][ T325] [ 13.905130][ T325] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.905135][ T325] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.905137][ T325] __might_resched.cold (kernel/sched/core.c:9234) [ 13.905142][ T325] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.905146][ 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) [ 13.905151][ 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)) [ 13.905153][ T325] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.905159][ 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) [ 13.905162][ T325] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.905165][ T325] put_chars (drivers/char/virtio_console.c:1176) [ 13.905167][ T325] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.905169][ T325] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.905172][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.905175][ T325] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.905179][ T325] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.905181][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.905183][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.905187][ T325] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.905188][ T325] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.905191][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.905195][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.905198][ T325] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.905202][ T325] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.905204][ 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)) [ 13.905207][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.905209][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.905213][ T325] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.905217][ T325] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.905218][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.905223][ T325] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.905226][ T325] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.905228][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.905230][ T325] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.905234][ T325] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.905235][ T325] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.905238][ T325] vprintk_emit (kernel/printk/printk.c:2479) [ 13.905242][ T325] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.905248][ T325] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.905250][ T325] _printk (kernel/printk/printk.c:2504) [ 13.905254][ T325] ? snapshot_read.cold (user.c:?) [ 13.905260][ 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) [ 13.905263][ T325] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.905266][ T325] do_one_initcall (init/main.c:1357) [ 13.905268][ T325] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.905272][ T325] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.905276][ T325] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.905280][ T325] do_init_module (kernel/module/main.c:3117) [ 13.905284][ T325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.905288][ T325] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.905291][ T325] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.905295][ T325] load_module (kernel/module/main.c:3593) [ 13.905302][ T325] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.905306][ T325] ? __ia32_sys_fsconfig (??:?) [ 13.905308][ T325] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.905313][ T325] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.905316][ T325] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.905320][ T325] init_module_from_file (kernel/module/main.c:3790) [ 13.905323][ T325] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.905331][ T325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.905334][ 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) [ 13.905337][ T325] idempotent_init_module (kernel/module/main.c:3802) [ 13.905340][ T325] ? init_module_from_file (kernel/module/main.c:3791) [ 13.905346][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.905349][ T325] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.905358][ T325] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.905360][ T325] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.905367][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.905369][ T325] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.905372][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.905374][ T325] RIP: 0033:0x7f58a76e737d [ 13.905378][ 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 [ 13.905379][ T325] RSP: 002b:00007ffedf2ff698 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.905382][ T325] RAX: ffffffffffffffda RBX: 000056190a942810 RCX: 00007f58a76e737d [ 13.905384][ T325] RDX: 0000000000000000 RSI: 00005618dfb4bffd RDI: 0000000000000000 [ 13.905385][ T325] RBP: 00007ffedf2ff730 R08: 0000000000000000 R09: 0000000000000000 [ 13.905385][ T325] R10: 0000000000000000 R11: 0000000000000246 R12: 00005618dfb4bffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars