====================================== | [ 10.028494][ T188] softirqs last disabled at (34180): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.028497][ T188] Preemption disabled at: | [ 10.028498][ T188] 0x0 | [ 10.028509][ T188] Tainted: [W]=WARN [ 10.028510][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.028512][ T188] Call Trace: [ 10.028514][ T188] [ 10.028516][ T188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.028522][ T188] __might_resched.cold (kernel/sched/core.c:9234) [ 10.028527][ T188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.028531][ T188] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.028536][ T188] __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)) [ 10.028539][ T188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.028544][ T188] ? 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) [ 10.028547][ T188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.028550][ T188] put_chars (drivers/char/virtio_console.c:1176) [ 10.028553][ T188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.028554][ T188] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.028559][ T188] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.028564][ T188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.028571][ T188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.028573][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.028576][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.028580][ T188] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.028584][ T188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.028586][ T188] ? 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)) [ 10.028589][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.028591][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.028595][ T188] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.028600][ T188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.028601][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.028607][ T188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.028610][ T188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.028611][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.028614][ T188] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.028618][ T188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.028619][ T188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.028623][ T188] vprintk_emit (kernel/printk/printk.c:2479) [ 10.028627][ T188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.028630][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.028634][ T188] _printk (kernel/printk/printk.c:2504) [ 10.028637][ T188] ? snapshot_read.cold (user.c:?) [ 10.028640][ T188] ? 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) [ 10.028643][ T188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.028647][ T188] ? 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) [ 10.028649][ T188] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.028653][ T188] ? exit_notify (kernel/exit.c:780) [ 10.028655][ T188] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.028658][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.028662][ T188] do_group_exit (kernel/exit.c:1151) [ 10.028665][ T188] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.028667][ T188] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.028669][ T188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.028672][ T188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.028675][ T188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.028678][ T188] RIP: 0033:0x7f7555c6b1b8 [ 10.028680][ T188] Code: Unable to access opcode bytes at 0x7f7555c6b18e. Code starting with the faulting instruction =========================================== [ 10.028681][ T188] RSP: 002b:00007ffebe25c4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.028684][ T188] RAX: ffffffffffffffda RBX: 00007f7555d9bf88 RCX: 00007f7555c6b1b8 [ 10.028685][ T188] RDX: 00007f75559b5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.028686][ T188] RBP: 00007ffebe25c510 R08: 0000000000000000 R09: 0000000000008010 [ 10.028687][ T188] R10: 00007ffebe25c2d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.028688][ T188] R13: 0000000000000000 R14: 00007f7555d9a680 R15: 00007f7555d9bfa0 | [ 11.488888][ T251] softirqs last disabled at (27185): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.488891][ T251] Preemption disabled at: | [ 11.488891][ T251] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.488903][ T251] Tainted: [W]=WARN [ 11.488904][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.488911][ T251] Call Trace: [ 11.488913][ T251] [ 11.488914][ T251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.488920][ T251] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.488922][ T251] __might_resched.cold (kernel/sched/core.c:9234) [ 11.488926][ T251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.488930][ T251] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.488935][ T251] __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)) [ 11.488937][ T251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.488943][ T251] ? 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) [ 11.488946][ T251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.488949][ T251] put_chars (drivers/char/virtio_console.c:1176) [ 11.488952][ T251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.488953][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.488958][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.488960][ T251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.488965][ T251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.488967][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.488972][ T251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.488975][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.488980][ T251] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.488984][ T251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.488985][ T251] ? 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)) [ 11.488988][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.488991][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.488995][ T251] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.488999][ T251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.489000][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.489006][ T251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.489008][ T251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.489010][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.489012][ T251] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.489016][ T251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.489018][ T251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.489021][ T251] vprintk_emit (kernel/printk/printk.c:2479) [ 11.489025][ T251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.489030][ T251] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.489034][ T251] _printk (kernel/printk/printk.c:2504) [ 11.489038][ T251] ? snapshot_read.cold (user.c:?) [ 11.489044][ T251] ? 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) [ 11.489047][ T251] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 11.489050][ T251] do_one_initcall (init/main.c:1357) [ 11.489053][ T251] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.489057][ T251] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.489060][ T251] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.489065][ T251] do_init_module (kernel/module/main.c:3117) [ 11.489069][ T251] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.489073][ T251] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.489076][ T251] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.489080][ T251] load_module (kernel/module/main.c:3593) [ 11.489088][ T251] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.489091][ T251] ? __ia32_sys_fsconfig (??:?) [ 11.489094][ T251] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.489098][ T251] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.489101][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.489105][ T251] init_module_from_file (kernel/module/main.c:3790) [ 11.489108][ T251] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.489116][ T251] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.489120][ T251] ? 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) [ 11.489123][ T251] idempotent_init_module (kernel/module/main.c:3802) [ 11.489126][ T251] ? init_module_from_file (kernel/module/main.c:3791) [ 11.489132][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.489135][ T251] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.489141][ T251] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.489143][ T251] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.489146][ T251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.489148][ T251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.489151][ T251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.489153][ T251] RIP: 0033:0x7fd0a945f37d [ 11.489156][ T251] 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 [ 11.489158][ T251] RSP: 002b:00007ffc99a58048 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.489161][ T251] RAX: ffffffffffffffda RBX: 000055f4944a1810 RCX: 00007fd0a945f37d [ 11.489162][ T251] RDX: 0000000000000000 RSI: 000055f47ef11ffd RDI: 0000000000000000 [ 11.489163][ T251] RBP: 00007ffc99a580e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.489164][ T251] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f47ef11ffd Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print