====================================== | [ 9.082281][ T175] softirqs last disabled at (27609): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.082283][ T175] Preemption disabled at: | [ 9.082284][ T175] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.082292][ T175] Tainted: [W]=WARN [ 9.082293][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.082295][ T175] Call Trace: [ 9.082297][ T175] [ 9.082298][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.082302][ T175] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.082304][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 9.082309][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.082312][ 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) [ 9.082317][ 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)) [ 9.082320][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.082326][ 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) [ 9.082329][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.082332][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 9.082335][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.082338][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.082343][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.082350][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.082352][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082355][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.082360][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.082363][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.082364][ 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)) [ 9.082367][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082368][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.082372][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.082376][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.082377][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.082382][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.082385][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.082386][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082388][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.082391][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.082393][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.082396][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 9.082400][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.082405][ T175] ? tun_cleanup (drivers/net/tun.c:3536) tun [ 9.082408][ T175] _printk (kernel/printk/printk.c:2504) [ 9.082412][ T175] ? snapshot_read.cold (user.c:?) [ 9.082418][ 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) [ 9.082422][ T175] tun_init (tun.mod.c:?) tun [ 9.082425][ T175] do_one_initcall (init/main.c:1357) [ 9.082428][ T175] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.082432][ T175] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.082435][ T175] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.082439][ T175] do_init_module (kernel/module/main.c:3117) [ 9.082443][ T175] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.082447][ T175] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.082450][ T175] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.082454][ T175] load_module (kernel/module/main.c:3593) [ 9.082461][ T175] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.082468][ T175] init_module_from_file (kernel/module/main.c:3790) [ 9.082470][ T175] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 9.082478][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.082482][ 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) [ 9.082485][ T175] idempotent_init_module (kernel/module/main.c:3802) [ 9.082488][ T175] ? init_module_from_file (kernel/module/main.c:3791) [ 9.082493][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082495][ T175] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.082500][ T175] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.082502][ T175] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.082506][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.082508][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.082511][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.082513][ T175] RIP: 0033:0x7f1ba986a37d [ 9.082516][ 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 [ 9.082518][ T175] RSP: 002b:00007ffc4e61f578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.082520][ T175] RAX: ffffffffffffffda RBX: 0000561fe29ff980 RCX: 00007f1ba986a37d [ 9.082522][ T175] RDX: 0000000000000000 RSI: 0000561fb7cb9ffd RDI: 0000000000000005 [ 9.082522][ T175] RBP: 00007ffc4e61f610 R08: 0000000000000000 R09: 0000000000000000 [ 9.082523][ T175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561fb7cb9ffd [ 9.082524][ T175] R13: 0000561fe29ffaa0 R14: 0000000000040000 R15: 0000000000000000 | [ 10.180899][ T185] softirqs last disabled at (4336206): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.180903][ T185] Preemption disabled at: | [ 10.180903][ T185] 0x0 | [ 10.180913][ T185] Tainted: [W]=WARN [ 10.180914][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.180916][ T185] Call Trace: [ 10.180917][ T185] [ 10.180919][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.180924][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 10.180928][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.180931][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.180936][ T185] __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)) [ 10.180939][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.180945][ T185] ? 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) [ 10.180947][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.180951][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 10.180954][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.180960][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.180967][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.180970][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.180974][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.180977][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.180979][ T185] ? 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)) [ 10.180981][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.180985][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.180989][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.180992][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.180994][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.180999][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.181001][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.181002][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.181004][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.181008][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.181010][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.181012][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 10.181016][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.181019][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.181022][ T185] _printk (kernel/printk/printk.c:2504) [ 10.181026][ T185] ? snapshot_read.cold (user.c:?) [ 10.181028][ T185] ? 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) [ 10.181031][ T185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.181035][ T185] ? 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) [ 10.181038][ T185] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.181042][ T185] ? exit_notify (kernel/exit.c:780) [ 10.181043][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.181046][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.181049][ T185] do_group_exit (kernel/exit.c:1151) [ 10.181052][ T185] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.181054][ T185] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.181057][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.181060][ T185] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.181063][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.181066][ T185] RIP: 0033:0x479678 [ 10.181068][ T185] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.181069][ T185] RSP: 002b:00007fff6467f128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.181071][ T185] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.181072][ T185] RDX: 0000000032067708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.181073][ T185] RBP: 00007fff6467f180 R08: 0000000000000000 R09: 0000000032068450 [ 10.181074][ T185] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff6467f2b8 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