====================================== | [ 17.883768][ T435] softirqs last disabled at (17139): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.883770][ T435] Preemption disabled at: | [ 17.883771][ T435] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.883780][ T435] Tainted: [W]=WARN [ 17.883781][ T435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.883782][ T435] Call Trace: [ 17.883784][ T435] [ 17.883785][ T435] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.883791][ T435] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.883793][ T435] __might_resched.cold (kernel/sched/core.c:9234) [ 17.883798][ T435] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.883802][ T435] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.883806][ T435] __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)) [ 17.883808][ T435] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.883815][ T435] ? 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) [ 17.883818][ T435] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.883821][ T435] put_chars (drivers/char/virtio_console.c:1176) [ 17.883823][ T435] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.883825][ T435] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.883828][ T435] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.883831][ T435] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.883836][ T435] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.883840][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.883841][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.883846][ T435] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.883848][ T435] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.883851][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.883853][ T435] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.883857][ T435] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.883861][ T435] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.883863][ T435] ? 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)) [ 17.883868][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.883870][ T435] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.883874][ T435] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.883878][ T435] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.883880][ T435] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.883885][ T435] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.883888][ T435] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.883890][ T435] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.883891][ T435] ? 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) [ 17.883895][ T435] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.883897][ T435] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.883899][ T435] vprintk_emit (kernel/printk/printk.c:2479) [ 17.883902][ T435] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.883907][ T435] ? xfrm_user_exit (net/xfrm/xfrm_user.c:2223) xfrm_user [ 17.883910][ T435] _printk (kernel/printk/printk.c:2504) [ 17.883914][ T435] ? snapshot_read.cold (user.c:?) [ 17.883920][ T435] ? 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) [ 17.883923][ T435] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user [ 17.883926][ T435] do_one_initcall (init/main.c:1357) [ 17.883929][ T435] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.883934][ T435] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.883936][ T435] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.883941][ T435] do_init_module (kernel/module/main.c:3117) [ 17.883944][ T435] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.883948][ T435] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.883951][ T435] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.883954][ T435] load_module (kernel/module/main.c:3593) [ 17.883959][ T435] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.883964][ T435] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.883969][ T435] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.883972][ T435] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.883975][ T435] init_module_from_file (kernel/module/main.c:3790) [ 17.883978][ T435] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.883985][ T435] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.883989][ T435] ? 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) [ 17.883992][ T435] idempotent_init_module (kernel/module/main.c:3802) [ 17.883994][ T435] ? init_module_from_file (kernel/module/main.c:3791) [ 17.883999][ T435] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.884002][ T435] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 17.884007][ T435] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.884008][ T435] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.884012][ T435] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.884015][ T435] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.884018][ T435] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.884020][ T435] RIP: 0033:0x7f1c8237f37d [ 17.884022][ T435] 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 [ 17.884024][ T435] RSP: 002b:00007ffc2b4f4148 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.884027][ T435] RAX: ffffffffffffffda RBX: 000055cc6f18d810 RCX: 00007f1c8237f37d [ 17.884028][ T435] RDX: 0000000000000000 RSI: 000055cc33d07ffd RDI: 0000000000000000 [ 17.884029][ T435] RBP: 00007ffc2b4f41e0 R08: 0000000000000000 R09: 0000000000000000 [ 17.884030][ T435] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc33d07ffd [ 17.884030][ T435] R13: 000055cc6f18d960 R14: 0000000000040000 R15: 0000000000000000 | [ 100.626352][ T2864] softirqs last disabled at (24437): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 100.626355][ T2864] Preemption disabled at: | [ 100.626355][ T2864] 0x0 | [ 100.626365][ T2864] Tainted: [W]=WARN [ 100.626366][ T2864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 100.626368][ T2864] Call Trace: [ 100.626369][ T2864] [ 100.626371][ T2864] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 100.626377][ T2864] __might_resched.cold (kernel/sched/core.c:9234) [ 100.626382][ T2864] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 100.626386][ T2864] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 100.626390][ T2864] __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)) [ 100.626392][ T2864] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.626399][ T2864] ? 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) [ 100.626402][ T2864] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.626405][ T2864] put_chars (drivers/char/virtio_console.c:1176) [ 100.626408][ T2864] ? __send_to_port (drivers/char/virtio_console.c:654) [ 100.626409][ T2864] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 100.626413][ T2864] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 100.626418][ T2864] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 100.626425][ T2864] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 100.626428][ T2864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.626430][ T2864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.626434][ T2864] console_emit_next_record (kernel/printk/printk.c:3183) [ 100.626438][ T2864] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 100.626440][ T2864] ? 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)) [ 100.626443][ T2864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.626444][ T2864] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.626449][ T2864] console_flush_one_record (kernel/printk/printk.c:3268) [ 100.626453][ T2864] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 100.626455][ T2864] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 100.626460][ T2864] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 100.626463][ T2864] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 100.626464][ T2864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.626466][ T2864] ? 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) [ 100.626470][ T2864] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 100.626472][ T2864] ? vprintk_emit (kernel/printk/printk.c:2478) [ 100.626474][ T2864] vprintk_emit (kernel/printk/printk.c:2479) [ 100.626477][ T2864] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 100.626480][ T2864] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 100.626484][ T2864] _printk (kernel/printk/printk.c:2504) [ 100.626487][ T2864] ? snapshot_read.cold (user.c:?) [ 100.626490][ T2864] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 100.626493][ T2864] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.626496][ T2864] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 100.626499][ T2864] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 100.626503][ T2864] ? exit_notify (kernel/exit.c:780) [ 100.626504][ T2864] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 100.626507][ T2864] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.626510][ T2864] do_group_exit (kernel/exit.c:1151) [ 100.626513][ T2864] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 100.626515][ T2864] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 100.626517][ T2864] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 100.626521][ T2864] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 100.626524][ T2864] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 100.626526][ T2864] RIP: 0033:0x7f8e035d71b8 [ 100.626528][ T2864] Code: Unable to access opcode bytes at 0x7f8e035d718e. Code starting with the faulting instruction =========================================== [ 100.626529][ T2864] RSP: 002b:00007ffe600dc9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 100.626532][ T2864] RAX: ffffffffffffffda RBX: 00007f8e03707f88 RCX: 00007f8e035d71b8 [ 100.626533][ T2864] RDX: 00007f8e03514a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 100.626534][ T2864] RBP: 00007ffe600dca50 R08: 0000000000000000 R09: 0000000000000030 [ 100.626535][ T2864] R10: 00007ffe600dc890 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars