====================================== | [ 9.255898][ T174] softirqs last disabled at (32587): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.255901][ T174] Preemption disabled at: | [ 9.255902][ T174] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.255911][ T174] Tainted: [W]=WARN [ 9.255912][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.255913][ T174] Call Trace: [ 9.255915][ T174] [ 9.255916][ T174] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.255921][ T174] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.255923][ T174] __might_resched.cold (kernel/sched/core.c:9234) [ 9.255927][ T174] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.255931][ T174] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.255936][ T174] __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)) [ 9.255938][ T174] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.255944][ T174] ? 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) [ 9.255947][ T174] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.255951][ T174] put_chars (drivers/char/virtio_console.c:1176) [ 9.255953][ T174] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.255957][ T174] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.255962][ T174] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.255969][ T174] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.255971][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.255974][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.255978][ T174] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.255982][ T174] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.255983][ T174] ? 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)) [ 9.255986][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.255987][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.255992][ T174] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.255995][ T174] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.255997][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.256002][ T174] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.256004][ T174] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.256005][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.256007][ T174] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.256011][ T174] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.256013][ T174] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.256016][ T174] vprintk_emit (kernel/printk/printk.c:2479) [ 9.256019][ T174] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.256024][ T174] ? tun_cleanup (drivers/net/tun.c:3536) tun [ 9.256028][ T174] _printk (kernel/printk/printk.c:2504) [ 9.256032][ T174] ? snapshot_read.cold (user.c:?) [ 9.256038][ T174] ? 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) [ 9.256042][ T174] tun_init (tun.mod.c:?) tun [ 9.256045][ T174] do_one_initcall (init/main.c:1357) [ 9.256048][ T174] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.256052][ T174] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.256055][ T174] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.256060][ T174] do_init_module (kernel/module/main.c:3117) [ 9.256063][ T174] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.256067][ T174] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.256070][ T174] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.256074][ T174] load_module (kernel/module/main.c:3593) [ 9.256080][ T174] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.256088][ T174] init_module_from_file (kernel/module/main.c:3790) [ 9.256090][ T174] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 9.256098][ T174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.256102][ T174] ? 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) [ 9.256105][ T174] idempotent_init_module (kernel/module/main.c:3802) [ 9.256108][ T174] ? init_module_from_file (kernel/module/main.c:3791) [ 9.256113][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.256115][ T174] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.256125][ T174] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.256126][ T174] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.256130][ T174] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.256132][ T174] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.256135][ T174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.256138][ T174] RIP: 0033:0x7fa44b2e637d [ 9.256141][ T174] 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 [ 9.256143][ T174] RSP: 002b:00007ffee72e64b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.256145][ T174] RAX: ffffffffffffffda RBX: 000055d8aae8a980 RCX: 00007fa44b2e637d [ 9.256147][ T174] RDX: 0000000000000000 RSI: 000055d89273bffd RDI: 0000000000000005 [ 9.256147][ T174] RBP: 00007ffee72e6550 R08: 0000000000000000 R09: 0000000000000000 [ 9.256148][ T174] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d89273bffd [ 9.256149][ T174] R13: 000055d8aae8aaa0 R14: 0000000000040000 R15: 0000000000000000 | [ 10.297454][ T184] softirqs last disabled at (3958044): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.297458][ T184] Preemption disabled at: | [ 10.297459][ T184] 0x0 | [ 10.297469][ T184] Tainted: [W]=WARN [ 10.297470][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.297471][ T184] Call Trace: [ 10.297473][ T184] [ 10.297475][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.297480][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 10.297485][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.297488][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.297494][ T184] __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)) [ 10.297496][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.297502][ T184] ? 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) [ 10.297505][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.297508][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 10.297511][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.297518][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.297525][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.297528][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.297532][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.297536][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.297537][ T184] ? 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)) [ 10.297540][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.297543][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.297547][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.297551][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.297552][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.297558][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.297560][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.297561][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.297563][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.297567][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.297569][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.297575][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 10.297578][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.297581][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.297585][ T184] _printk (kernel/printk/printk.c:2504) [ 10.297589][ T184] ? snapshot_read.cold (user.c:?) [ 10.297592][ T184] ? 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) [ 10.297594][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.297598][ T184] ? 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) [ 10.297601][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.297605][ T184] ? exit_notify (kernel/exit.c:780) [ 10.297607][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.297609][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.297613][ T184] do_group_exit (kernel/exit.c:1151) [ 10.297616][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.297618][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.297621][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.297624][ T184] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.297627][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.297629][ T184] RIP: 0033:0x479678 [ 10.297632][ T184] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.297633][ T184] RSP: 002b:00007ffee1198f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.297635][ T184] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.297636][ T184] RDX: 000000001e45a708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.297637][ T184] RBP: 00007ffee1198ff0 R08: 0000000000000000 R09: 000000001e45b450 [ 10.297638][ T184] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffee1199128 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