====================================== | [ 12.452791][ T263] softirqs last disabled at (37759): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.452793][ T263] Preemption disabled at: | [ 12.452794][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.452802][ T263] Tainted: [W]=WARN [ 12.452803][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.452805][ T263] Call Trace: [ 12.452806][ T263] [ 12.452808][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.452814][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.452816][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 12.452820][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.452824][ 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) [ 12.452829][ 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)) [ 12.452830][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.452837][ 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) [ 12.452840][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.452844][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 12.452846][ T263] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.452848][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.452851][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.452854][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.452859][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.452863][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.452864][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.452869][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.452871][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.452874][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.452876][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.452880][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.452884][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.452886][ 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)) [ 12.452889][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.452891][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.452894][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.452898][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.452900][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.452905][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.452908][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.452910][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.452912][ 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) [ 12.452915][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.452917][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.452920][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 12.452923][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.452927][ T263] ? mpls_exit (net/mpls/af_mpls.c:81 (discriminator 9)) mpls_router [ 12.452931][ T263] _printk (kernel/printk/printk.c:2504) [ 12.452935][ T263] ? snapshot_read.cold (user.c:?) [ 12.452941][ 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) [ 12.452945][ T263] mpls_gso_init (./include/linux/skbuff.h:3058 net/mpls/mpls_gso.c:30) mpls_gso [ 12.452947][ T263] do_one_initcall (init/main.c:1357) [ 12.452950][ T263] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.452955][ T263] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.452957][ T263] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.452963][ T263] do_init_module (kernel/module/main.c:3117) [ 12.452966][ T263] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.452969][ T263] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.452972][ T263] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.452975][ T263] load_module (kernel/module/main.c:3593) [ 12.452980][ T263] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 12.452985][ T263] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.452988][ T263] ? __ia32_sys_fsconfig (??:?) [ 12.452992][ T263] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.452996][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.452999][ T263] init_module_from_file (kernel/module/main.c:3790) [ 12.453002][ T263] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.453009][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.453013][ 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) [ 12.453016][ T263] idempotent_init_module (kernel/module/main.c:3802) [ 12.453018][ T263] ? init_module_from_file (kernel/module/main.c:3791) [ 12.453024][ T263] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.453026][ T263] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 12.453031][ T263] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.453033][ T263] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.453036][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.453039][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.453042][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.453044][ T263] RIP: 0033:0x7fac741c437d [ 12.453053][ 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 [ 12.453055][ T263] RSP: 002b:00007ffed0762448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.453057][ T263] RAX: ffffffffffffffda RBX: 0000561510607bc0 RCX: 00007fac741c437d [ 12.453059][ T263] RDX: 0000000000000000 RSI: 00005614e8901ffd RDI: 0000000000000002 [ 12.453060][ T263] RBP: 00007ffed07624e0 R08: 0000000000000000 R09: 0000000000000000 [ 12.453061][ T263] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614e8901ffd [ 12.453061][ T263] R13: 0000561510607cf0 R14: 0000000000040000 R15: 0000000000000000 | [ 13.937331][ T303] softirqs last disabled at (34663): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.937333][ T303] Preemption disabled at: | [ 13.937334][ T303] 0x0 | [ 13.937344][ T303] Tainted: [W]=WARN [ 13.937345][ T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.937347][ T303] Call Trace: [ 13.937348][ T303] [ 13.937350][ T303] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.937357][ T303] __might_resched.cold (kernel/sched/core.c:9234) [ 13.937361][ T303] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.937365][ T303] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.937369][ T303] __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)) [ 13.937371][ T303] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.937378][ T303] ? 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) [ 13.937381][ T303] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.937385][ T303] put_chars (drivers/char/virtio_console.c:1176) [ 13.937387][ T303] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.937388][ T303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.937392][ T303] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.937397][ T303] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.937405][ T303] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.937408][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.937410][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.937414][ T303] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.937418][ T303] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.937420][ T303] ? 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)) [ 13.937423][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.937424][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.937428][ T303] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.937432][ T303] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.937434][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.937439][ T303] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.937442][ T303] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.937444][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.937446][ T303] ? 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) [ 13.937449][ T303] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.937451][ T303] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.937454][ T303] vprintk_emit (kernel/printk/printk.c:2479) [ 13.937457][ T303] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.937460][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.937463][ T303] _printk (kernel/printk/printk.c:2504) [ 13.937467][ T303] ? snapshot_read.cold (user.c:?) [ 13.937470][ T303] ? 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) [ 13.937472][ T303] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.937476][ T303] ? 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) [ 13.937479][ T303] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.937482][ T303] ? exit_notify (kernel/exit.c:780) [ 13.937484][ T303] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.937486][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.937490][ T303] do_group_exit (kernel/exit.c:1151) [ 13.937493][ T303] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.937495][ T303] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.937497][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.937501][ T303] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.937504][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.937506][ T303] RIP: 0033:0x7f5d4cf5c1b8 [ 13.937508][ T303] Code: Unable to access opcode bytes at 0x7f5d4cf5c18e. Code starting with the faulting instruction =========================================== [ 13.937509][ T303] RSP: 002b:00007ffd1dc1b098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.937512][ T303] RAX: ffffffffffffffda RBX: 00007f5d4d08cf88 RCX: 00007f5d4cf5c1b8 [ 13.937513][ T303] RDX: 00007f5d4cca6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.937514][ T303] RBP: 00007ffd1dc1b0f0 R08: 0000000000000000 R09: 0000000000000060 [ 13.937515][ T303] R10: 00007ffd1dc1aeb0 R11: 0000000000000246 R12: 0000000000000001 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