====================================== | [ 10.678489][ T183] softirqs last disabled at (20408): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.678492][ T183] Preemption disabled at: | [ 10.678492][ T183] 0x0 | [ 10.678502][ T183] Tainted: [W]=WARN [ 10.678503][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.678505][ T183] Call Trace: [ 10.678506][ T183] [ 10.678508][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.678513][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 10.678518][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.678522][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.678527][ T183] __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)) [ 10.678529][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.678534][ T183] ? 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) [ 10.678537][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.678541][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 10.678544][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.678546][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.678550][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.678555][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.678562][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.678565][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678567][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.678571][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.678574][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.678576][ T183] ? 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)) [ 10.678579][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678581][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.678585][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.678588][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.678590][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678595][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.678597][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.678599][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678601][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.678604][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.678606][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.678609][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 10.678612][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.678615][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678619][ T183] _printk (kernel/printk/printk.c:2504) [ 10.678623][ T183] ? snapshot_read.cold (user.c:?) [ 10.678625][ T183] ? 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) [ 10.678628][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.678631][ T183] ? 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) [ 10.678634][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.678637][ T183] ? exit_notify (kernel/exit.c:780) [ 10.678639][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.678641][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678645][ T183] do_group_exit (kernel/exit.c:1151) [ 10.678649][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.678651][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.678653][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.678656][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.678659][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.678661][ T183] RIP: 0033:0x7f151bc4f1b8 [ 10.678664][ T183] Code: Unable to access opcode bytes at 0x7f151bc4f18e. Code starting with the faulting instruction =========================================== [ 10.678665][ T183] RSP: 002b:00007ffd071d35f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.678667][ T183] RAX: ffffffffffffffda RBX: 00007f151bd7ff88 RCX: 00007f151bc4f1b8 [ 10.678668][ T183] RDX: 00007f151b999fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.678669][ T183] RBP: 00007ffd071d3650 R08: 0000000000000000 R09: 0000000000000050 [ 10.678670][ T183] R10: 00007ffd071d3410 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print