====================================== | [ 9.265578][ T201] softirqs last disabled at (22909): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.265580][ T201] Preemption disabled at: | [ 9.265581][ T201] 0x0 | [ 9.265590][ T201] Tainted: [W]=WARN [ 9.265591][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.265592][ T201] Call Trace: [ 9.265594][ T201] [ 9.265595][ T201] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.265601][ T201] __might_resched.cold (kernel/sched/core.c:9234) [ 9.265606][ T201] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.265609][ T201] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.265614][ T201] __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)) [ 9.265616][ T201] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.265623][ T201] ? 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) [ 9.265625][ T201] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.265629][ T201] put_chars (drivers/char/virtio_console.c:1176) [ 9.265631][ T201] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.265632][ T201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.265636][ T201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.265641][ T201] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.265648][ T201] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.265651][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.265653][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.265657][ T201] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.265661][ T201] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.265662][ T201] ? 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)) [ 9.265665][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.265667][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.265671][ T201] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.265675][ T201] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.265677][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.265682][ T201] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.265685][ T201] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.265686][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.265688][ T201] ? 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) [ 9.265692][ T201] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.265694][ T201] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.265696][ T201] vprintk_emit (kernel/printk/printk.c:2479) [ 9.265699][ T201] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.265702][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.265705][ T201] _printk (kernel/printk/printk.c:2504) [ 9.265709][ T201] ? snapshot_read.cold (user.c:?) [ 9.265712][ T201] ? 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) [ 9.265714][ T201] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.265718][ T201] ? 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) [ 9.265721][ T201] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.265725][ T201] ? exit_notify (kernel/exit.c:780) [ 9.265726][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.265729][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.265732][ T201] do_group_exit (kernel/exit.c:1151) [ 9.265735][ T201] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.265737][ T201] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.265739][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.265743][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.265746][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.265749][ T201] RIP: 0033:0x7f34427f81b8 [ 9.265751][ T201] Code: Unable to access opcode bytes at 0x7f34427f818e. Code starting with the faulting instruction =========================================== [ 9.265752][ T201] RSP: 002b:00007ffde03daff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.265754][ T201] RAX: ffffffffffffffda RBX: 00007f3442928f88 RCX: 00007f34427f81b8 [ 9.265755][ T201] RDX: 00007f3442542fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.265756][ T201] RBP: 00007ffde03db050 R08: 0000000000000000 R09: 0000000000000050 [ 9.265757][ T201] R10: 00007ffde03dae10 R11: 0000000000000246 R12: 0000000000000001 [ 9.265758][ T201] R13: 0000000000000000 R14: 00007f3442927680 R15: 00007f3442928fa0 | [ 11.315304][ T263] softirqs last disabled at (31823): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.315306][ T263] Preemption disabled at: | [ 11.315307][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.315315][ T263] Tainted: [W]=WARN [ 11.315316][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.315318][ T263] Call Trace: [ 11.315319][ T263] [ 11.315321][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.315327][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.315329][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 11.315333][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.315338][ 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) [ 11.315342][ 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)) [ 11.315344][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.315351][ 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) [ 11.315354][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.315357][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 11.315359][ T263] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.315361][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.315364][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.315367][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.315372][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.315376][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.315377][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.315382][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.315384][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.315387][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.315389][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.315393][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.315397][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.315399][ 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)) [ 11.315402][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.315404][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.315407][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.315412][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.315413][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.315419][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.315421][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.315423][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.315425][ T263] ? 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) [ 11.315428][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.315430][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.315433][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 11.315436][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.315441][ T263] ? mpls_exit (net/mpls/af_mpls.c:81 (discriminator 9)) mpls_router [ 11.315444][ T263] _printk (kernel/printk/printk.c:2504) [ 11.315448][ T263] ? snapshot_read.cold (user.c:?) [ 11.315454][ 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) [ 11.315457][ T263] mpls_gso_init (./include/linux/skbuff.h:3058 net/mpls/mpls_gso.c:30) mpls_gso [ 11.315459][ T263] do_one_initcall (init/main.c:1357) [ 11.315462][ T263] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.315466][ T263] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.315469][ T263] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.315475][ T263] do_init_module (kernel/module/main.c:3117) [ 11.315477][ T263] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.315482][ T263] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.315484][ T263] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.315488][ T263] load_module (kernel/module/main.c:3593) [ 11.315493][ T263] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 11.315498][ T263] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.315501][ T263] ? __ia32_sys_fsconfig (??:?) [ 11.315505][ T263] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.315509][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.315512][ T263] init_module_from_file (kernel/module/main.c:3790) [ 11.315515][ T263] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.315522][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.315526][ 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) [ 11.315529][ T263] idempotent_init_module (kernel/module/main.c:3802) [ 11.315532][ T263] ? init_module_from_file (kernel/module/main.c:3791) [ 11.315537][ T263] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.315540][ T263] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 11.315545][ T263] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.315546][ T263] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.315550][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.315553][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.315555][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.315557][ T263] RIP: 0033:0x7f595f4f737d [ 11.315560][ 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 [ 11.315562][ T263] RSP: 002b:00007fff54347e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.315564][ T263] RAX: ffffffffffffffda RBX: 0000558d165f2bc0 RCX: 00007f595f4f737d [ 11.315566][ T263] RDX: 0000000000000000 RSI: 0000558cf0d76ffd RDI: 0000000000000002 [ 11.315567][ T263] RBP: 00007fff54347f20 R08: 0000000000000000 R09: 0000000000000000 [ 11.315567][ T263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558cf0d76ffd 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