====================================== | [ 10.040305][ T176] softirqs last disabled at (30371): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.040307][ T176] Preemption disabled at: | [ 10.040308][ T176] 0x0 | [ 10.040319][ T176] Tainted: [W]=WARN [ 10.040320][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.040321][ T176] Call Trace: [ 10.040323][ T176] [ 10.040324][ T176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.040330][ T176] __might_resched.cold (kernel/sched/core.c:9234) [ 10.040336][ T176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.040340][ T176] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.040345][ T176] __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)) [ 10.040347][ T176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.040354][ T176] ? 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) [ 10.040357][ T176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.040360][ T176] put_chars (drivers/char/virtio_console.c:1176) [ 10.040363][ T176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.040369][ T176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.040376][ T176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.040379][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.040384][ T176] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.040387][ T176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.040389][ T176] ? 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)) [ 10.040391][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.040395][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.040399][ T176] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.040402][ T176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.040404][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.040409][ T176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.040411][ T176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.040412][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.040414][ T176] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.040418][ T176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.040420][ T176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.040423][ T176] vprintk_emit (kernel/printk/printk.c:2479) [ 10.040426][ T176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.040429][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.040433][ T176] _printk (kernel/printk/printk.c:2504) [ 10.040437][ T176] ? snapshot_read.cold (user.c:?) [ 10.040439][ T176] ? 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) [ 10.040442][ T176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.040446][ T176] ? 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) [ 10.040449][ T176] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.040453][ T176] ? exit_notify (kernel/exit.c:780) [ 10.040454][ T176] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.040457][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.040461][ T176] do_group_exit (kernel/exit.c:1151) [ 10.040464][ T176] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.040466][ T176] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.040468][ T176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.040472][ T176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.040475][ T176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.040477][ T176] RIP: 0033:0x7fd27a3611b8 [ 10.040479][ T176] Code: Unable to access opcode bytes at 0x7fd27a36118e. Code starting with the faulting instruction =========================================== [ 10.040480][ T176] RSP: 002b:00007fff6ed636c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.040483][ T176] RAX: ffffffffffffffda RBX: 00007fd27a491f88 RCX: 00007fd27a3611b8 [ 10.040484][ T176] RDX: 00007fd27a0abfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.040485][ T176] RBP: 00007fff6ed63720 R08: 0000000000000000 R09: 0000000000000050 [ 10.040486][ T176] R10: 00007fff6ed634e0 R11: 0000000000000246 R12: 0000000000000001 [ 10.040487][ T176] R13: 0000000000000000 R14: 00007fd27a490680 R15: 00007fd27a491fa0 | [ 11.130629][ T204] softirqs last disabled at (34359): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.130632][ T204] Preemption disabled at: | [ 11.130632][ T204] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.130641][ T204] Tainted: [W]=WARN [ 11.130642][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.130644][ T204] Call Trace: [ 11.130646][ T204] [ 11.130647][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.130651][ T204] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.130653][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 11.130657][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.130660][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.130665][ T204] __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)) [ 11.130668][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.130674][ T204] ? 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) [ 11.130677][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.130680][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 11.130683][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.130686][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.130691][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.130700][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.130702][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.130705][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.130709][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.130713][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.130714][ T204] ? 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)) [ 11.130717][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.130718][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.130722][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.130726][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.130727][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.130732][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.130734][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.130735][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.130737][ T204] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.130741][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.130743][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.130745][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 11.130749][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.130754][ T204] ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip [ 11.130756][ T204] _printk (kernel/printk/printk.c:2504) [ 11.130760][ T204] ? snapshot_read.cold (user.c:?) [ 11.130766][ T204] ? 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) [ 11.130770][ T204] ipip_init (net/ipv4/ipip.c:438) ipip [ 11.130772][ T204] do_one_initcall (init/main.c:1357) [ 11.130775][ T204] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.130780][ T204] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.130782][ T204] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.130786][ T204] do_init_module (kernel/module/main.c:3117) [ 11.130790][ T204] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.130794][ T204] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.130797][ T204] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.130801][ T204] load_module (kernel/module/main.c:3593) [ 11.130808][ T204] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.130811][ T204] ? __ia32_sys_fsconfig (??:?) [ 11.130814][ T204] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.130818][ T204] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.130821][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.130825][ T204] init_module_from_file (kernel/module/main.c:3790) [ 11.130827][ T204] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 11.130835][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.130838][ T204] ? 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) [ 11.130841][ T204] idempotent_init_module (kernel/module/main.c:3802) [ 11.130844][ T204] ? init_module_from_file (kernel/module/main.c:3791) [ 11.130850][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.130852][ T204] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.130857][ T204] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.130858][ T204] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.130862][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.130864][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.130867][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.130869][ T204] RIP: 0033:0x7fb17fbbd37d [ 11.130872][ T204] 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 [ 11.130874][ T204] RSP: 002b:00007fffb4cc24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.130877][ T204] RAX: ffffffffffffffda RBX: 0000563c802e1810 RCX: 00007fb17fbbd37d [ 11.130878][ T204] RDX: 0000000000000000 RSI: 0000563c75f69ffd RDI: 0000000000000002 [ 11.130879][ T204] RBP: 00007fffb4cc2540 R08: 0000000000000000 R09: 0000000000000000 [ 11.130880][ T204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c75f69ffd 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