====================================== | [ 9.308627][ T186] softirqs last disabled at (25437): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.308629][ T186] Preemption disabled at: | [ 9.308629][ T186] 0x0 | [ 9.308639][ T186] Tainted: [W]=WARN [ 9.308640][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.308642][ T186] Call Trace: [ 9.308643][ T186] [ 9.308645][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.308651][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.308656][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.308660][ 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) [ 9.308665][ 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)) [ 9.308667][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.308673][ 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) [ 9.308676][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.308679][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.308682][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.308683][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.308688][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.308693][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.308699][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.308701][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.308703][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.308707][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.308711][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.308713][ 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)) [ 9.308716][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.308718][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.308722][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.308726][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.308728][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.308733][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.308736][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.308738][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.308740][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.308744][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.308745][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.308749][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.308752][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.308756][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.308759][ T186] _printk (kernel/printk/printk.c:2504) [ 9.308763][ T186] ? snapshot_read.cold (user.c:?) [ 9.308766][ 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) [ 9.308768][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.308772][ 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) [ 9.308775][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.308779][ T186] ? exit_notify (kernel/exit.c:780) [ 9.308781][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.308783][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.308787][ T186] do_group_exit (kernel/exit.c:1151) [ 9.308790][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.308792][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.308794][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.308797][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.308800][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.308802][ T186] RIP: 0033:0x7f96069a41b8 [ 9.308804][ T186] Code: Unable to access opcode bytes at 0x7f96069a418e. Code starting with the faulting instruction =========================================== [ 9.308806][ T186] RSP: 002b:00007ffc14e4e018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.308808][ T186] RAX: ffffffffffffffda RBX: 00007f9606ad4f88 RCX: 00007f96069a41b8 [ 9.308809][ T186] RDX: 00007f96066eefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.308810][ T186] RBP: 00007ffc14e4e070 R08: 0000000000000000 R09: 0000000000008010 [ 9.308811][ T186] R10: 00007ffc14e4de30 R11: 0000000000000246 R12: 0000000000000001 [ 9.308812][ T186] R13: 0000000000000000 R14: 00007f9606ad3680 R15: 00007f9606ad4fa0 | [ 11.225644][ T263] softirqs last disabled at (18643): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.225646][ T263] Preemption disabled at: | [ 11.225646][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.225656][ T263] Tainted: [W]=WARN [ 11.225657][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.225658][ T263] Call Trace: [ 11.225660][ T263] [ 11.225662][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.225667][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.225669][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 11.225674][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.225678][ T263] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.225683][ T263] __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)) [ 11.225685][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.225691][ T263] ? 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) [ 11.225694][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.225697][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 11.225699][ T263] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.225701][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.225704][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.225707][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.225711][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.225714][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.225715][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.225720][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.225721][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.225724][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.225727][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.225731][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.225734][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.225736][ T263] ? 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)) [ 11.225739][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.225741][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.225745][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.225749][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.225751][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.225756][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.225759][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.225760][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.225763][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.225766][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.225768][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.225771][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 11.225775][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.225780][ T263] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.225783][ T263] _printk (kernel/printk/printk.c:2504) [ 11.225787][ T263] ? snapshot_read.cold (user.c:?) [ 11.225793][ T263] ? 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) [ 11.225796][ T263] gre_init (gre.mod.c:?) gre [ 11.225798][ T263] do_one_initcall (init/main.c:1357) [ 11.225800][ T263] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.225805][ T263] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.225808][ T263] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.225812][ T263] do_init_module (kernel/module/main.c:3117) [ 11.225816][ T263] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.225820][ T263] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.225823][ T263] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.225827][ T263] load_module (kernel/module/main.c:3593) [ 11.225834][ T263] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.225839][ T263] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.225842][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.225846][ T263] init_module_from_file (kernel/module/main.c:3790) [ 11.225849][ T263] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.225857][ T263] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.225861][ T263] ? 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) [ 11.225864][ T263] idempotent_init_module (kernel/module/main.c:3802) [ 11.225867][ T263] ? init_module_from_file (kernel/module/main.c:3791) [ 11.225873][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.225875][ T263] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.225881][ T263] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.225883][ T263] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.225886][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.225888][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.225891][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.225893][ T263] RIP: 0033:0x7f3edde7437d [ 11.225897][ T263] 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 [ 11.225898][ T263] RSP: 002b:00007ffcbddb5008 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.225901][ T263] RAX: ffffffffffffffda RBX: 000055bb04463d30 RCX: 00007f3edde7437d [ 11.225902][ T263] RDX: 0000000000000000 RSI: 000055baf82d2ffd RDI: 0000000000000000 [ 11.225903][ T263] RBP: 00007ffcbddb50a0 R08: 0000000000000000 R09: 0000000000000000 [ 11.225904][ T263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055baf82d2ffd [ 11.225905][ T263] R13: 000055bb04463cf0 R14: 0000000000040000 R15: 0000000000000000 | [ 11.335801][ T12] #10: ffffffff97889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 11.335804][ T12] | [ 11.335804][ T12] stack backtrace: | [ 11.335810][ T12] Tainted: [W]=WARN [ 11.335811][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.335813][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 11.335816][ T12] Call Trace: [ 11.335818][ T12] [ 11.335819][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.335825][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 11.335831][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 11.335835][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.335838][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.335844][ T12] __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)) [ 11.335846][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.335851][ T12] ? 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) [ 11.335854][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.335857][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 11.335859][ T12] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.335861][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.335865][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.335869][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.335876][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.335878][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.335882][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.335886][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.335890][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.335891][ T12] ? 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)) [ 11.335895][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.335897][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.335901][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.335905][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.335907][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.335912][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.335915][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.335917][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.335919][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.335923][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.335924][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.335928][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 11.335932][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.335934][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.335939][ T12] _printk (kernel/printk/printk.c:2504) [ 11.335942][ T12] ? snapshot_read.cold (user.c:?) [ 11.335943][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 11.335949][ T12] ? idr_get_free (??:?) [ 11.335955][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 11.335962][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 11.335967][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 11.335970][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.335972][ T12] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 11.335976][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.335978][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 11.335985][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 11.335989][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.335992][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 11.335996][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.335997][ T12] ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1)) [ 11.336002][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 11.336004][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.336007][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.336008][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.336011][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.336014][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.336016][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.336019][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.336020][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 11.336027][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 11.336031][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 11.336033][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.336036][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.336038][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 11.336043][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 11.336046][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 11.336049][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 11.336051][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.336053][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.336056][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.336058][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.336062][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 11.336067][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.336073][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.336078][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 11.336082][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.336084][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 11.336087][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.336088][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.336090][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.336094][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.336096][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.336098][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.336101][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 11.336103][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.336105][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.336107][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.336111][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 11.336115][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 11.336119][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.336120][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.336122][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.336124][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.336128][ T12] process_one_work (kernel/workqueue.c:3387) [ 11.336138][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.336141][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.336153][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.336161][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.336163][ T12] kthread (kernel/kthread.c:436) [ 11.336165][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.336168][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.336171][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.336175][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.336178][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.336181][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.336184][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.899155][ T326] softirqs last disabled at (18721): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.899157][ T326] Preemption disabled at: | [ 12.899158][ T326] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.899167][ T326] Tainted: [W]=WARN [ 12.899168][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.899169][ T326] Call Trace: [ 12.899171][ T326] [ 12.899172][ T326] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.899178][ T326] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.899180][ T326] __might_resched.cold (kernel/sched/core.c:9234) [ 12.899185][ T326] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.899189][ T326] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.899194][ T326] __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)) [ 12.899196][ T326] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.899202][ T326] ? 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) [ 12.899204][ T326] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.899207][ T326] put_chars (drivers/char/virtio_console.c:1176) [ 12.899209][ T326] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.899211][ T326] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.899214][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.899217][ T326] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.899221][ T326] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.899224][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.899226][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.899230][ T326] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.899231][ T326] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.899234][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.899237][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.899241][ T326] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.899244][ T326] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.899246][ T326] ? 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)) [ 12.899249][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.899251][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.899255][ T326] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.899259][ T326] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.899261][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.899266][ T326] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.899268][ T326] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.899270][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.899272][ T326] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.899276][ T326] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.899277][ T326] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.899280][ T326] vprintk_emit (kernel/printk/printk.c:2479) [ 12.899284][ T326] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.899290][ T326] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.899292][ T326] _printk (kernel/printk/printk.c:2504) [ 12.899296][ T326] ? snapshot_read.cold (user.c:?) [ 12.899302][ T326] ? 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) [ 12.899305][ T326] gact_init_module (net/sched/act_gact.c:180) act_gact [ 12.899307][ T326] do_one_initcall (init/main.c:1357) [ 12.899310][ T326] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.899314][ T326] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.899317][ T326] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.899321][ T326] do_init_module (kernel/module/main.c:3117) [ 12.899325][ T326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.899329][ T326] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.899332][ T326] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.899336][ T326] load_module (kernel/module/main.c:3593) [ 12.899347][ T326] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.899351][ T326] ? __ia32_sys_fsconfig (??:?) [ 12.899354][ T326] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.899358][ T326] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.899361][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.899365][ T326] init_module_from_file (kernel/module/main.c:3790) [ 12.899368][ T326] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.899376][ T326] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.899379][ T326] ? 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) [ 12.899382][ T326] idempotent_init_module (kernel/module/main.c:3802) [ 12.899385][ T326] ? init_module_from_file (kernel/module/main.c:3791) [ 12.899391][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.899393][ T326] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.899399][ T326] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.899407][ T326] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.899410][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.899412][ T326] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.899415][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.899417][ T326] RIP: 0033:0x7f178909d37d [ 12.899420][ T326] 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 [ 12.899422][ T326] RSP: 002b:00007ffe3e364f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.899425][ T326] RAX: ffffffffffffffda RBX: 00005593ec8a4810 RCX: 00007f178909d37d [ 12.899426][ T326] RDX: 0000000000000000 RSI: 00005593aed6affd RDI: 0000000000000000 [ 12.899427][ T326] RBP: 00007ffe3e365020 R08: 0000000000000000 R09: 0000000000000000 [ 12.899428][ T326] R10: 0000000000000000 R11: 0000000000000246 R12: 00005593aed6affd [ 12.899429][ T326] R13: 00005593ec8a4960 R14: 0000000000040000 R15: 0000000000000000 | [ 126.662516][ T2990] softirqs last disabled at (12433): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 126.662518][ T2990] Preemption disabled at: | [ 126.662519][ T2990] 0x0 | [ 126.662530][ T2990] Tainted: [W]=WARN [ 126.662531][ T2990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 126.662533][ T2990] Call Trace: [ 126.662534][ T2990] [ 126.662536][ T2990] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 126.662542][ T2990] __might_resched.cold (kernel/sched/core.c:9234) [ 126.662547][ T2990] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 126.662551][ T2990] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 126.662556][ T2990] __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)) [ 126.662559][ T2990] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 126.662565][ T2990] ? 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) [ 126.662567][ T2990] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 126.662571][ T2990] put_chars (drivers/char/virtio_console.c:1176) [ 126.662573][ T2990] ? __send_to_port (drivers/char/virtio_console.c:654) [ 126.662575][ T2990] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 126.662579][ T2990] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 126.662585][ T2990] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 126.662591][ T2990] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 126.662593][ T2990] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.662595][ T2990] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.662599][ T2990] console_emit_next_record (kernel/printk/printk.c:3183) [ 126.662603][ T2990] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 126.662605][ T2990] ? 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)) [ 126.662608][ T2990] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.662611][ T2990] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.662615][ T2990] console_flush_one_record (kernel/printk/printk.c:3268) [ 126.662619][ T2990] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 126.662621][ T2990] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 126.662626][ T2990] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 126.662629][ T2990] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 126.662631][ T2990] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.662633][ T2990] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 126.662637][ T2990] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 126.662638][ T2990] ? vprintk_emit (kernel/printk/printk.c:2478) [ 126.662642][ T2990] vprintk_emit (kernel/printk/printk.c:2479) [ 126.662645][ T2990] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 126.662649][ T2990] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 126.662653][ T2990] _printk (kernel/printk/printk.c:2504) [ 126.662656][ T2990] ? snapshot_read.cold (user.c:?) [ 126.662659][ T2990] ? 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) [ 126.662662][ T2990] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.662665][ T2990] ? 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) [ 126.662668][ T2990] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 126.662672][ T2990] ? exit_notify (kernel/exit.c:780) [ 126.662674][ T2990] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 126.662677][ T2990] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.662681][ T2990] do_group_exit (kernel/exit.c:1151) [ 126.662684][ T2990] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 126.662685][ T2990] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 126.662688][ T2990] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 126.662691][ T2990] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 126.662694][ T2990] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 126.662696][ T2990] RIP: 0033:0x7f201a81f1b8 [ 126.662698][ T2990] Code: Unable to access opcode bytes at 0x7f201a81f18e. Code starting with the faulting instruction =========================================== [ 126.662700][ T2990] RSP: 002b:00007ffe2b2abbd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 126.662702][ T2990] RAX: ffffffffffffffda RBX: 00007f201a94ff88 RCX: 00007f201a81f1b8 [ 126.662703][ T2990] RDX: 00007f201a5b07c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 126.662704][ T2990] RBP: 00007ffe2b2abc30 R08: 0000000000000000 R09: 0000000000001010 [ 126.662705][ T2990] R10: 00007ffe2b2aba50 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __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