====================================== | [ 9.536601][ T175] softirqs last disabled at (25571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.536603][ T175] Preemption disabled at: | [ 9.536604][ T175] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.536613][ T175] Tainted: [W]=WARN [ 9.536614][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.536616][ T175] Call Trace: [ 9.536617][ T175] [ 9.536618][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.536623][ T175] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.536625][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 9.536629][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.536633][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.536638][ T175] __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)) [ 9.536640][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.536646][ T175] ? 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) [ 9.536649][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.536652][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 9.536655][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.536658][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.536663][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.536670][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.536672][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.536676][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.536680][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.536683][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.536684][ T175] ? 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)) [ 9.536687][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.536689][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.536692][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.536696][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.536697][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.536702][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.536705][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.536706][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.536708][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.536711][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.536713][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.536716][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 9.536719][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.536724][ T175] ? tun_cleanup (drivers/net/tun.c:3536) tun [ 9.536728][ T175] _printk (kernel/printk/printk.c:2504) [ 9.536732][ T175] ? snapshot_read.cold (user.c:?) [ 9.536738][ T175] ? 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) [ 9.536741][ T175] tun_init (tun.mod.c:?) tun [ 9.536744][ T175] do_one_initcall (init/main.c:1357) [ 9.536747][ T175] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.536752][ T175] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.536754][ T175] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.536759][ T175] do_init_module (kernel/module/main.c:3117) [ 9.536762][ T175] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.536766][ T175] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.536769][ T175] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.536773][ T175] load_module (kernel/module/main.c:3593) [ 9.536780][ T175] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.536792][ T175] init_module_from_file (kernel/module/main.c:3790) [ 9.536795][ T175] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 9.536802][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.536806][ T175] ? 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) [ 9.536809][ T175] idempotent_init_module (kernel/module/main.c:3802) [ 9.536812][ T175] ? init_module_from_file (kernel/module/main.c:3791) [ 9.536818][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.536820][ T175] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.536825][ T175] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.536827][ T175] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.536830][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.536832][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.536835][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.536837][ T175] RIP: 0033:0x7f2b1be3737d [ 9.536840][ T175] 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 [ 9.536843][ T175] RSP: 002b:00007fff87fd88e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.536845][ T175] RAX: ffffffffffffffda RBX: 000055f126283980 RCX: 00007f2b1be3737d [ 9.536846][ T175] RDX: 0000000000000000 RSI: 000055f118232ffd RDI: 0000000000000005 [ 9.536847][ T175] RBP: 00007fff87fd8980 R08: 0000000000000000 R09: 0000000000000000 [ 9.536848][ T175] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f118232ffd [ 9.536849][ T175] R13: 000055f126283aa0 R14: 0000000000040000 R15: 0000000000000000 | [ 10.627952][ T186] softirqs last disabled at (4044872): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.627955][ T186] Preemption disabled at: | [ 10.627956][ T186] 0x0 | [ 10.627966][ T186] Tainted: [W]=WARN [ 10.627967][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.627969][ T186] Call Trace: [ 10.627971][ T186] [ 10.627972][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.627978][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 10.627982][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.627985][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.627990][ T186] __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)) [ 10.627993][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.627999][ T186] ? 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) [ 10.628002][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.628005][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 10.628008][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.628014][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.628021][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.628024][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.628028][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.628032][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.628033][ T186] ? 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)) [ 10.628036][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.628039][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.628043][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.628047][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.628048][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.628053][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.628056][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.628057][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.628059][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.628063][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.628064][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.628067][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 10.628071][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.628073][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.628077][ T186] _printk (kernel/printk/printk.c:2504) [ 10.628081][ T186] ? snapshot_read.cold (user.c:?) [ 10.628084][ T186] ? 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) [ 10.628086][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.628090][ T186] ? 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) [ 10.628093][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.628097][ T186] ? exit_notify (kernel/exit.c:780) [ 10.628098][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.628101][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.628105][ T186] do_group_exit (kernel/exit.c:1151) [ 10.628108][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.628110][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.628113][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.628116][ T186] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.628119][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.628121][ T186] RIP: 0033:0x479678 [ 10.628124][ T186] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.628125][ T186] RSP: 002b:00007ffd824ada78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.628127][ T186] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.628128][ T186] RDX: 000000001aa1b708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.628129][ T186] RBP: 00007ffd824adad0 R08: 0000000000000000 R09: 000000001aa1c450 [ 10.628130][ T186] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd824adc08 Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print