====================================== | [ 10.216061][ T219] softirqs last disabled at (28367): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.216064][ T219] Preemption disabled at: | [ 10.216064][ T219] 0x0 | [ 10.216075][ T219] Tainted: [W]=WARN [ 10.216076][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.216077][ T219] Call Trace: [ 10.216079][ T219] [ 10.216081][ T219] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.216087][ T219] __might_resched.cold (kernel/sched/core.c:9234) [ 10.216092][ T219] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.216096][ T219] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.216100][ T219] __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)) [ 10.216102][ T219] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.216109][ T219] ? 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) [ 10.216112][ T219] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.216116][ T219] put_chars (drivers/char/virtio_console.c:1176) [ 10.216118][ T219] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.216119][ T219] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.216123][ T219] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.216128][ T219] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.216136][ T219] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.216138][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.216140][ T219] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.216144][ T219] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.216148][ T219] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.216150][ T219] ? 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)) [ 10.216153][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.216154][ T219] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.216158][ T219] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.216162][ T219] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.216164][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.216169][ T219] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.216172][ T219] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.216174][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.216175][ T219] ? 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) [ 10.216183][ T219] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.216184][ T219] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.216187][ T219] vprintk_emit (kernel/printk/printk.c:2479) [ 10.216190][ T219] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.216193][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.216197][ T219] _printk (kernel/printk/printk.c:2504) [ 10.216200][ T219] ? snapshot_read.cold (user.c:?) [ 10.216203][ T219] ? 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) [ 10.216206][ T219] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.216209][ T219] ? 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) [ 10.216212][ T219] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.216216][ T219] ? exit_notify (kernel/exit.c:780) [ 10.216217][ T219] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.216220][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.216223][ T219] do_group_exit (kernel/exit.c:1151) [ 10.216226][ T219] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.216228][ T219] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.216230][ T219] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.216234][ T219] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.216237][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.216239][ T219] RIP: 0033:0x7f1b63da01b8 [ 10.216241][ T219] Code: Unable to access opcode bytes at 0x7f1b63da018e. Code starting with the faulting instruction =========================================== [ 10.216242][ T219] RSP: 002b:00007ffe38140538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.216244][ T219] RAX: ffffffffffffffda RBX: 00007f1b63ed0f88 RCX: 00007f1b63da01b8 [ 10.216245][ T219] RDX: 00007f1b63aeafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.216246][ T219] RBP: 00007ffe38140590 R08: 0000000000000000 R09: 0000000000000000 [ 10.216247][ T219] R10: 00007ffe38140350 R11: 0000000000000246 R12: 0000000000000001 [ 10.216248][ T219] R13: 0000000000000000 R14: 00007f1b63ecf680 R15: 00007f1b63ed0fa0 | [ 11.676036][ T264] softirqs last disabled at (31255): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.676038][ T264] Preemption disabled at: | [ 11.676039][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.676047][ T264] Tainted: [W]=WARN [ 11.676048][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.676049][ T264] Call Trace: [ 11.676051][ T264] [ 11.676053][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.676058][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.676060][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 11.676064][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.676068][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.676073][ T264] __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)) [ 11.676074][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.676081][ T264] ? 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) [ 11.676083][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.676087][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 11.676088][ T264] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.676091][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.676093][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.676097][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.676101][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.676105][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.676107][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.676111][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.676113][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.676116][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676118][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.676122][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.676126][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.676127][ T264] ? 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)) [ 11.676130][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676132][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.676136][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.676140][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.676142][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.676147][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.676149][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.676151][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.676153][ T264] ? 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) [ 11.676156][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.676158][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.676160][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 11.676164][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.676169][ T264] ? mpls_exit (net/mpls/af_mpls.c:81 (discriminator 9)) mpls_router [ 11.676171][ T264] _printk (kernel/printk/printk.c:2504) [ 11.676175][ T264] ? snapshot_read.cold (user.c:?) [ 11.676181][ T264] ? 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) [ 11.676188][ T264] mpls_gso_init (./include/linux/skbuff.h:3058 net/mpls/mpls_gso.c:30) mpls_gso [ 11.676190][ T264] do_one_initcall (init/main.c:1357) [ 11.676192][ T264] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.676197][ T264] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.676199][ T264] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.676205][ T264] do_init_module (kernel/module/main.c:3117) [ 11.676208][ T264] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.676212][ T264] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.676214][ T264] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.676218][ T264] load_module (kernel/module/main.c:3593) [ 11.676223][ T264] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 11.676227][ T264] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.676230][ T264] ? __ia32_sys_fsconfig (??:?) [ 11.676234][ T264] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.676238][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.676241][ T264] init_module_from_file (kernel/module/main.c:3790) [ 11.676244][ T264] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.676251][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.676254][ T264] ? 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) [ 11.676257][ T264] idempotent_init_module (kernel/module/main.c:3802) [ 11.676260][ T264] ? init_module_from_file (kernel/module/main.c:3791) [ 11.676265][ T264] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.676268][ T264] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 11.676273][ T264] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.676274][ T264] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.676278][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.676281][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.676283][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.676285][ T264] RIP: 0033:0x7fe229eac37d [ 11.676288][ T264] 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 [ 11.676290][ T264] RSP: 002b:00007ffe8448efb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.676292][ T264] RAX: ffffffffffffffda RBX: 0000557b76326bc0 RCX: 00007fe229eac37d [ 11.676294][ T264] RDX: 0000000000000000 RSI: 0000557b3d366ffd RDI: 0000000000000002 [ 11.676295][ T264] RBP: 00007ffe8448f050 R08: 0000000000000000 R09: 0000000000000000 [ 11.676295][ T264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557b3d366ffd 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