====================================== | [ 14.277632][ T214] softirqs last disabled at (39126): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.277635][ T214] Preemption disabled at: | [ 14.277636][ T214] 0x0 | [ 14.277646][ T214] Tainted: [W]=WARN [ 14.277647][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.277648][ T214] Call Trace: [ 14.277650][ T214] [ 14.277652][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.277658][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 14.277662][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.277666][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.277671][ T214] __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)) [ 14.277673][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.277679][ T214] ? 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) [ 14.277682][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.277686][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 14.277688][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.277689][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.277693][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.277698][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.277706][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.277708][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.277710][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.277714][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.277718][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.277720][ T214] ? 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)) [ 14.277723][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.277725][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.277729][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.277733][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.277735][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.277740][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.277743][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.277745][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.277746][ T214] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.277750][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.277752][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.277754][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 14.277758][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.277760][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.277764][ T214] _printk (kernel/printk/printk.c:2504) [ 14.277768][ T214] ? snapshot_read.cold (user.c:?) [ 14.277770][ T214] ? 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) [ 14.277773][ T214] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.277777][ T214] ? 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) [ 14.277779][ T214] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.277783][ T214] ? exit_notify (kernel/exit.c:780) [ 14.277784][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.277787][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.277790][ T214] do_group_exit (kernel/exit.c:1151) [ 14.277793][ T214] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.277795][ T214] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.277797][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.277801][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.277804][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.277806][ T214] RIP: 0033:0x7f3b427361b8 [ 14.277808][ T214] Code: Unable to access opcode bytes at 0x7f3b4273618e. Code starting with the faulting instruction =========================================== [ 14.277809][ T214] RSP: 002b:00007ffec772e1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.277812][ T214] RAX: ffffffffffffffda RBX: 00007f3b42866f88 RCX: 00007f3b427361b8 [ 14.277813][ T214] RDX: 00007f3b42480fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.277814][ T214] RBP: 00007ffec772e200 R08: 0000000000000000 R09: 0000000000000000 [ 14.277815][ T214] R10: 00007ffec772dfc0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print