====================================== | [ 10.175394][ T187] softirqs last disabled at (43295): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.175396][ T187] Preemption disabled at: | [ 10.175397][ T187] 0x0 | [ 10.175407][ T187] Tainted: [W]=WARN [ 10.175408][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.175410][ T187] Call Trace: [ 10.175412][ T187] [ 10.175414][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.175422][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.175428][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.175432][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.175437][ T187] __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)) [ 10.175440][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.175446][ T187] ? 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) [ 10.175448][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.175451][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.175454][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.175456][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.175460][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.175465][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.175471][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.175473][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.175476][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.175480][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.175483][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.175485][ T187] ? 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)) [ 10.175488][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.175491][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.175495][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.175499][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.175500][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.175505][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.175508][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.175510][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.175512][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.175516][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.175517][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.175521][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.175524][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.175528][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.175531][ T187] _printk (kernel/printk/printk.c:2504) [ 10.175535][ T187] ? snapshot_read.cold (user.c:?) [ 10.175538][ T187] ? 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) [ 10.175540][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.175544][ T187] ? 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) [ 10.175547][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.175550][ T187] ? exit_notify (kernel/exit.c:780) [ 10.175552][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.175555][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.175559][ T187] do_group_exit (kernel/exit.c:1151) [ 10.175562][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.175563][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.175566][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.175569][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.175572][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.175574][ T187] RIP: 0033:0x7f300a70f1b8 [ 10.175576][ T187] Code: Unable to access opcode bytes at 0x7f300a70f18e. Code starting with the faulting instruction =========================================== [ 10.175577][ T187] RSP: 002b:00007ffcb14933f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.175580][ T187] RAX: ffffffffffffffda RBX: 00007f300a83ff88 RCX: 00007f300a70f1b8 [ 10.175582][ T187] RDX: 00007f300a459fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.175583][ T187] RBP: 00007ffcb1493450 R08: 0000000000000000 R09: 0000000000008010 [ 10.175583][ T187] R10: 00007ffcb1493210 R11: 0000000000000246 R12: 0000000000000001 [ 10.175584][ T187] R13: 0000000000000000 R14: 00007f300a83e680 R15: 00007f300a83ffa0 | [ 29.174146][ T362] softirqs last disabled at (20331): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.174148][ T362] Preemption disabled at: | [ 29.174148][ T362] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.174158][ T362] Tainted: [W]=WARN [ 29.174159][ T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.174160][ T362] Call Trace: [ 29.174162][ T362] [ 29.174163][ T362] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.174169][ T362] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.174171][ T362] __might_resched.cold (kernel/sched/core.c:9234) [ 29.174176][ T362] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.174180][ T362] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.174185][ T362] __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)) [ 29.174187][ T362] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.174193][ T362] ? 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) [ 29.174196][ T362] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.174199][ T362] put_chars (drivers/char/virtio_console.c:1176) [ 29.174201][ T362] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 29.174203][ T362] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.174206][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.174210][ T362] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.174214][ T362] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.174216][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.174218][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.174222][ T362] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.174224][ T362] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.174227][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.174230][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.174234][ T362] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.174237][ T362] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.174239][ T362] ? 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)) [ 29.174242][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.174245][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.174253][ T362] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.174258][ T362] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.174259][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.174264][ T362] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.174267][ T362] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.174269][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.174271][ T362] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.174275][ T362] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.174276][ T362] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.174280][ T362] vprintk_emit (kernel/printk/printk.c:2479) [ 29.174284][ T362] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.174289][ T362] ? xfrm_user_exit (net/xfrm/xfrm_user.c:2091) xfrm_user [ 29.174294][ T362] _printk (kernel/printk/printk.c:2504) [ 29.174298][ T362] ? snapshot_read.cold (user.c:?) [ 29.174304][ T362] ? 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) [ 29.174307][ T362] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user [ 29.174311][ T362] do_one_initcall (init/main.c:1357) [ 29.174314][ T362] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 29.174318][ T362] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 29.174321][ T362] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 29.174326][ T362] do_init_module (kernel/module/main.c:3117) [ 29.174330][ T362] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 29.174334][ T362] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 29.174337][ T362] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 29.174342][ T362] load_module (kernel/module/main.c:3593) [ 29.174349][ T362] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 29.174354][ T362] ? backing_file_read_iter (fs/backing-file.c:211) [ 29.174357][ T362] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.174361][ T362] init_module_from_file (kernel/module/main.c:3790) [ 29.174364][ T362] ? __do_sys_init_module (kernel/module/main.c:3664) [ 29.174372][ T362] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.174375][ T362] ? 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) [ 29.174378][ T362] idempotent_init_module (kernel/module/main.c:3802) [ 29.174382][ T362] ? init_module_from_file (kernel/module/main.c:3791) [ 29.174388][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.174390][ T362] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 29.174396][ T362] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 29.174398][ T362] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.174402][ T362] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.174403][ T362] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.174406][ T362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.174408][ T362] RIP: 0033:0x7f512411037d [ 29.174412][ T362] 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 [ 29.174414][ T362] RSP: 002b:00007ffe9084c968 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 29.174416][ T362] RAX: ffffffffffffffda RBX: 000055f021e9a810 RCX: 00007f512411037d [ 29.174418][ T362] RDX: 0000000000000000 RSI: 000055f012d3cffd RDI: 0000000000000000 [ 29.174419][ T362] RBP: 00007ffe9084ca00 R08: 0000000000000000 R09: 0000000000000000 [ 29.174419][ T362] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f012d3cffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print