====================================== | [ 12.085949][ T168] softirqs last disabled at (4078520): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 12.085953][ T168] Preemption disabled at: | [ 12.085953][ T168] 0x0 | [ 12.085963][ T168] Tainted: [W]=WARN [ 12.085964][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.085966][ T168] Call Trace: [ 12.085968][ T168] [ 12.085969][ T168] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.085974][ T168] __might_resched.cold (kernel/sched/core.c:9234) [ 12.085978][ T168] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.085982][ 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) [ 12.085987][ 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)) [ 12.085989][ T168] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.085995][ 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) [ 12.085998][ T168] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.086002][ T168] put_chars (drivers/char/virtio_console.c:1176) [ 12.086005][ T168] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.086006][ T168] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.086010][ T168] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.086015][ T168] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.086022][ T168] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.086024][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.086026][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.086031][ T168] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.086034][ T168] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.086035][ 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)) [ 12.086038][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.086040][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.086044][ T168] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.086047][ T168] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.086048][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.086054][ T168] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.086056][ T168] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.086057][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.086059][ T168] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.086063][ T168] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.086065][ T168] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.086067][ T168] vprintk_emit (kernel/printk/printk.c:2479) [ 12.086071][ T168] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.086077][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.086081][ T168] _printk (kernel/printk/printk.c:2504) [ 12.086085][ T168] ? snapshot_read.cold (user.c:?) [ 12.086087][ 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) [ 12.086090][ T168] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.086094][ 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) [ 12.086097][ T168] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.086100][ T168] ? exit_notify (kernel/exit.c:780) [ 12.086102][ T168] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.086104][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.086108][ T168] do_group_exit (kernel/exit.c:1151) [ 12.086111][ T168] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.086113][ T168] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.086115][ T168] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.086119][ T168] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.086122][ T168] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.086124][ T168] RIP: 0033:0x479678 [ 12.086126][ T168] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 12.086127][ T168] RSP: 002b:00007ffd71bec3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.086135][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.086136][ T168] RDX: 000000000b1f1708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.086137][ T168] RBP: 00007ffd71bec430 R08: 0000000000000000 R09: 000000000b1f23e0 [ 12.086138][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd71bec568 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print