====================================== | [ 9.645011][ T204] softirqs last disabled at (19583): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.645014][ T204] Preemption disabled at: | [ 9.645014][ T204] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.645023][ T204] Tainted: [W]=WARN [ 9.645024][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.645026][ T204] Call Trace: [ 9.645027][ T204] [ 9.645028][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.645034][ T204] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.645036][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.645040][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.645044][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.645048][ T204] __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)) [ 9.645050][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.645057][ T204] ? 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) [ 9.645060][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.645064][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.645065][ T204] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 9.645068][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.645071][ T204] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.645074][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.645079][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.645083][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.645085][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.645089][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.645091][ T204] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.645094][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.645097][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.645101][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.645105][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.645107][ T204] ? 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)) [ 9.645110][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.645112][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.645116][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.645120][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.645122][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.645127][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.645130][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.645132][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.645134][ T204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.645138][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.645140][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.645142][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.645146][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.645151][ T204] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 9.645154][ T204] _printk (kernel/printk/printk.c:2504) [ 9.645157][ T204] ? snapshot_read.cold (user.c:?) [ 9.645163][ T204] ? 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) [ 9.645167][ T204] gre_init (gre.mod.c:?) gre [ 9.645169][ T204] do_one_initcall (init/main.c:1357) [ 9.645171][ T204] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.645176][ T204] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.645179][ T204] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.645184][ T204] do_init_module (kernel/module/main.c:3117) [ 9.645187][ T204] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.645191][ T204] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.645194][ T204] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.645198][ T204] load_module (kernel/module/main.c:3593) [ 9.645203][ T204] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 9.645208][ T204] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.645215][ T204] init_module_from_file (kernel/module/main.c:3790) [ 9.645218][ T204] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.645225][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.645229][ T204] ? 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) [ 9.645232][ T204] idempotent_init_module (kernel/module/main.c:3802) [ 9.645235][ T204] ? init_module_from_file (kernel/module/main.c:3791) [ 9.645240][ T204] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.645243][ T204] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 9.645248][ T204] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.645249][ T204] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.645253][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.645256][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.645259][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.645261][ T204] RIP: 0033:0x7f26a428b37d [ 9.645264][ T204] 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 [ 9.645266][ T204] RSP: 002b:00007ffc64f87d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.645268][ T204] RAX: ffffffffffffffda RBX: 0000561ce7197a20 RCX: 00007f26a428b37d [ 9.645270][ T204] RDX: 0000000000000000 RSI: 0000561ce08d2ffd RDI: 0000000000000000 [ 9.645270][ T204] RBP: 00007ffc64f87e10 R08: 0000000000000000 R09: 0000000000000000 [ 9.645271][ T204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ce08d2ffd [ 9.645272][ T204] R13: 0000561ce71979e0 R14: 0000000000040000 R15: 0000000000000000 | [ 20.497408][ T698] softirqs last disabled at (37753): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.497411][ T698] Preemption disabled at: | [ 20.497411][ T698] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.497419][ T698] Tainted: [W]=WARN [ 20.497420][ T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.497422][ T698] Call Trace: [ 20.497424][ T698] [ 20.497425][ T698] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.497433][ T698] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.497434][ T698] __might_resched.cold (kernel/sched/core.c:9234) [ 20.497439][ T698] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.497443][ T698] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.497447][ T698] __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)) [ 20.497449][ T698] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.497456][ T698] ? 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) [ 20.497458][ T698] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.497462][ T698] put_chars (drivers/char/virtio_console.c:1176) [ 20.497464][ T698] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.497466][ T698] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.497469][ T698] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.497472][ T698] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.497476][ T698] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.497480][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.497485][ T698] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.497488][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.497493][ T698] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.497497][ T698] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.497499][ T698] ? 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)) [ 20.497502][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.497503][ T698] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.497507][ T698] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.497511][ T698] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.497513][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.497518][ T698] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.497521][ T698] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.497522][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.497524][ T698] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 20.497528][ T698] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.497529][ T698] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.497532][ T698] vprintk_emit (kernel/printk/printk.c:2479) [ 20.497535][ T698] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.497540][ T698] ? ip6gre_fini (net/ipv6/ip6_gre.c:1112 (discriminator 1)) ip6_gre [ 20.497543][ T698] _printk (kernel/printk/printk.c:2504) [ 20.497546][ T698] ? snapshot_read.cold (user.c:?) [ 20.497552][ T698] ? 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) [ 20.497555][ T698] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 20.497558][ T698] do_one_initcall (init/main.c:1357) [ 20.497561][ T698] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.497565][ T698] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.497568][ T698] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.497573][ T698] do_init_module (kernel/module/main.c:3117) [ 20.497576][ T698] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.497580][ T698] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.497582][ T698] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.497586][ T698] load_module (kernel/module/main.c:3593) [ 20.497591][ T698] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 20.497595][ T698] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.497598][ T698] ? __ia32_sys_fsconfig (??:?) [ 20.497602][ T698] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.497606][ T698] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.497609][ T698] init_module_from_file (kernel/module/main.c:3790) [ 20.497611][ T698] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.497619][ T698] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.497622][ T698] ? 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) [ 20.497625][ T698] idempotent_init_module (kernel/module/main.c:3802) [ 20.497628][ T698] ? init_module_from_file (kernel/module/main.c:3791) [ 20.497633][ T698] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.497635][ T698] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 20.497640][ T698] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.497642][ T698] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.497646][ T698] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.497648][ T698] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.497651][ T698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.497653][ T698] RIP: 0033:0x7f1a44a4e37d [ 20.497656][ T698] 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 [ 20.497658][ T698] RSP: 002b:00007ffeb0f3ee58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.497660][ T698] RAX: ffffffffffffffda RBX: 00005599b1a21810 RCX: 00007f1a44a4e37d [ 20.497661][ T698] RDX: 0000000000000000 RSI: 0000559998a80ffd RDI: 0000000000000000 [ 20.497662][ T698] RBP: 00007ffeb0f3eef0 R08: 0000000000000000 R09: 0000000000000000 [ 20.497663][ T698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559998a80ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars