====================================== | [ 9.292265][ T176] softirqs last disabled at (29003): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.292267][ T176] Preemption disabled at: | [ 9.292268][ T176] 0x0 | [ 9.292278][ T176] Tainted: [W]=WARN [ 9.292279][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.292281][ T176] Call Trace: [ 9.292282][ T176] [ 9.292284][ T176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.292289][ T176] __might_resched.cold (kernel/sched/core.c:9234) [ 9.292293][ T176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.292297][ 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) [ 9.292302][ 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)) [ 9.292304][ T176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.292314][ 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) [ 9.292317][ T176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.292320][ T176] put_chars (drivers/char/virtio_console.c:1176) [ 9.292323][ T176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.292330][ T176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.292336][ T176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.292339][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.292344][ T176] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.292347][ T176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.292349][ 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)) [ 9.292351][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.292355][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.292359][ T176] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.292362][ T176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.292363][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.292369][ T176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.292371][ T176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.292372][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.292374][ T176] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.292378][ T176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.292380][ T176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.292383][ T176] vprintk_emit (kernel/printk/printk.c:2479) [ 9.292386][ T176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.292389][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.292392][ T176] _printk (kernel/printk/printk.c:2504) [ 9.292396][ T176] ? snapshot_read.cold (user.c:?) [ 9.292399][ 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) [ 9.292401][ T176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.292405][ 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) [ 9.292408][ T176] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.292412][ T176] ? exit_notify (kernel/exit.c:780) [ 9.292413][ T176] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.292416][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.292420][ T176] do_group_exit (kernel/exit.c:1151) [ 9.292423][ T176] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.292425][ T176] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.292428][ T176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.292431][ T176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.292435][ T176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.292437][ T176] RIP: 0033:0x7ff59eed91b8 [ 9.292439][ T176] Code: Unable to access opcode bytes at 0x7ff59eed918e. Code starting with the faulting instruction =========================================== [ 9.292440][ T176] RSP: 002b:00007ffdc1ecb228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.292442][ T176] RAX: ffffffffffffffda RBX: 00007ff59f009f88 RCX: 00007ff59eed91b8 [ 9.292443][ T176] RDX: 00007ff59ec23fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.292444][ T176] RBP: 00007ffdc1ecb280 R08: 0000000000000000 R09: 0000000000000050 [ 9.292445][ T176] R10: 00007ffdc1ecb040 R11: 0000000000000246 R12: 0000000000000001 [ 9.292446][ T176] R13: 0000000000000000 R14: 00007ff59f008680 R15: 00007ff59f009fa0 | [ 10.300346][ T206] softirqs last disabled at (26519): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.300348][ T206] Preemption disabled at: | [ 10.300349][ T206] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.300358][ T206] Tainted: [W]=WARN [ 10.300359][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.300361][ T206] Call Trace: [ 10.300363][ T206] [ 10.300364][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.300369][ T206] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.300371][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 10.300375][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.300378][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.300383][ T206] __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)) [ 10.300385][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.300392][ T206] ? 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) [ 10.300395][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.300398][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 10.300401][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.300404][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.300409][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.300416][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.300418][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.300422][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.300426][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.300429][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.300430][ T206] ? 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)) [ 10.300433][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.300435][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.300439][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.300442][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.300444][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.300449][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.300451][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.300453][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.300454][ T206] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.300458][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.300460][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.300463][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 10.300466][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.300471][ T206] ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip [ 10.300474][ T206] _printk (kernel/printk/printk.c:2504) [ 10.300477][ T206] ? snapshot_read.cold (user.c:?) [ 10.300483][ T206] ? 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) [ 10.300487][ T206] ipip_init (net/ipv4/ipip.c:438) ipip [ 10.300489][ T206] do_one_initcall (init/main.c:1357) [ 10.300492][ T206] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.300497][ T206] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.300499][ T206] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.300504][ T206] do_init_module (kernel/module/main.c:3117) [ 10.300507][ T206] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.300512][ T206] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.300514][ T206] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.300518][ T206] load_module (kernel/module/main.c:3593) [ 10.300525][ T206] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.300528][ T206] ? __ia32_sys_fsconfig (??:?) [ 10.300531][ T206] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.300536][ T206] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.300539][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.300542][ T206] init_module_from_file (kernel/module/main.c:3790) [ 10.300545][ T206] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 10.300553][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.300556][ T206] ? 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) [ 10.300560][ T206] idempotent_init_module (kernel/module/main.c:3802) [ 10.300563][ T206] ? init_module_from_file (kernel/module/main.c:3791) [ 10.300568][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.300570][ T206] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.300579][ T206] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.300580][ T206] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.300584][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.300586][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.300589][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.300591][ T206] RIP: 0033:0x7faa5bb8337d [ 10.300594][ T206] 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 [ 10.300596][ T206] RSP: 002b:00007ffdf58b9958 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.300598][ T206] RAX: ffffffffffffffda RBX: 000055b719679810 RCX: 00007faa5bb8337d [ 10.300599][ T206] RDX: 0000000000000000 RSI: 000055b6db82bffd RDI: 0000000000000002 [ 10.300600][ T206] RBP: 00007ffdf58b99f0 R08: 0000000000000000 R09: 0000000000000000 [ 10.300601][ T206] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b6db82bffd 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