====================================== | [ 11.038807][ T168] softirqs last disabled at (3865678): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 11.038812][ T168] Preemption disabled at: | [ 11.038813][ T168] 0x0 | [ 11.038826][ T168] Tainted: [W]=WARN [ 11.038827][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.038829][ T168] Call Trace: [ 11.038831][ T168] [ 11.038833][ T168] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.038840][ T168] __might_resched.cold (kernel/sched/core.c:9234) [ 11.038846][ T168] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.038851][ T168] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.038858][ T168] __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)) [ 11.038862][ T168] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.038870][ T168] ? 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) [ 11.038874][ T168] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.038880][ T168] put_chars (drivers/char/virtio_console.c:1176) [ 11.038884][ T168] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.038886][ T168] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.038892][ T168] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.038901][ T168] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.038916][ T168] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.038919][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.038922][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.038929][ T168] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.038935][ T168] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.038937][ T168] ? 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)) [ 11.038942][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.038945][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.038952][ T168] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.038958][ T168] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.038960][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.038969][ T168] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.038973][ T168] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.038975][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.038978][ T168] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.038984][ T168] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.038987][ T168] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.038992][ T168] vprintk_emit (kernel/printk/printk.c:2479) [ 11.038997][ T168] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.038999][ T168] ? 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) [ 11.039004][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.039010][ T168] _printk (kernel/printk/printk.c:2504) [ 11.039018][ T168] ? snapshot_read.cold (user.c:?) [ 11.039023][ T168] ? 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) [ 11.039027][ T168] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.039033][ T168] ? 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) [ 11.039038][ T168] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.039044][ T168] ? exit_notify (kernel/exit.c:780) [ 11.039046][ T168] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.039051][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.039057][ T168] do_group_exit (kernel/exit.c:1151) [ 11.039063][ T168] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.039066][ T168] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.039070][ T168] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.039074][ T168] ? irq_exit_rcu (kernel/softirq.c:786) [ 11.039078][ T168] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.039082][ T168] RIP: 0033:0x479678 [ 11.039085][ T168] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 11.039086][ T168] RSP: 002b:00007fff13c879a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.039089][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 11.039091][ T168] RDX: 00000000009ca708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 11.039093][ T168] RBP: 00007fff13c87a00 R08: 0000000000000000 R09: 00000000009cb3e0 [ 11.039094][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff13c87b38 [ 11.039096][ T168] R13: 00007fff13c87bc0 R14: 0000000000000000 R15: 000000000054d560 | [ 12.186842][ T201] softirqs last disabled at (4186021): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.186844][ T201] Preemption disabled at: | [ 12.186845][ T201] 0x0 | [ 12.186855][ T201] Tainted: [W]=WARN [ 12.186856][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.186857][ T201] Call Trace: [ 12.186859][ T201] [ 12.186860][ T201] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.186866][ T201] __might_resched.cold (kernel/sched/core.c:9234) [ 12.186871][ T201] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.186874][ T201] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.186879][ T201] __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)) [ 12.186882][ T201] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.186888][ T201] ? 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) [ 12.186891][ T201] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.186894][ T201] put_chars (drivers/char/virtio_console.c:1176) [ 12.186897][ T201] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.186899][ T201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.186903][ T201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.186909][ T201] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.186920][ T201] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.186923][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.186925][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.186929][ T201] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.186933][ T201] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.186934][ T201] ? 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)) [ 12.186937][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.186938][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.186943][ T201] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.186946][ T201] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.186947][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.186953][ T201] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.186955][ T201] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.186957][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.186958][ T201] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.186962][ T201] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.186964][ T201] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.186967][ T201] vprintk_emit (kernel/printk/printk.c:2479) [ 12.186970][ T201] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.186972][ T201] ? 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) [ 12.186975][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.186979][ T201] _printk (kernel/printk/printk.c:2504) [ 12.186983][ T201] ? snapshot_read.cold (user.c:?) [ 12.186985][ T201] ? 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) [ 12.186988][ T201] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.186992][ T201] ? 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) [ 12.186995][ T201] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.186999][ T201] ? exit_notify (kernel/exit.c:780) [ 12.187001][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.187003][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.187007][ T201] do_group_exit (kernel/exit.c:1151) [ 12.187010][ T201] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.187012][ T201] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.187017][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.187021][ T201] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.187024][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.187026][ T201] RIP: 0033:0x479678 [ 12.187028][ T201] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 12.187030][ T201] RSP: 002b:00007ffcd8a6ffa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.187032][ T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.187033][ T201] RDX: 00000000101d1708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.187034][ T201] RBP: 00007ffcd8a70000 R08: 0000000000000000 R09: 00000000101d23e0 [ 12.187035][ T201] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffcd8a70138 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print