====================================== | [ 13.376264][ T307] softirqs last disabled at (21020): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.376267][ T307] Preemption disabled at: | [ 13.376267][ T307] 0x0 | [ 13.376279][ T307] Tainted: [W]=WARN [ 13.376280][ T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.376281][ T307] Call Trace: [ 13.376283][ T307] [ 13.376284][ T307] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.376291][ T307] __might_resched.cold (kernel/sched/core.c:9234) [ 13.376296][ T307] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.376300][ T307] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.376305][ T307] __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)) [ 13.376307][ T307] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.376314][ T307] ? 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) [ 13.376316][ T307] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.376321][ T307] put_chars (drivers/char/virtio_console.c:1176) [ 13.376325][ T307] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.376326][ T307] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.376330][ T307] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.376336][ T307] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.376343][ T307] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.376346][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.376348][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.376352][ T307] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.376356][ T307] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.376358][ T307] ? 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)) [ 13.376362][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.376363][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.376368][ T307] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.376372][ T307] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.376374][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.376379][ T307] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.376382][ T307] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.376384][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.376386][ T307] ? 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) [ 13.376390][ T307] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.376392][ T307] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.376394][ T307] vprintk_emit (kernel/printk/printk.c:2479) [ 13.376398][ T307] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.376401][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.376404][ T307] _printk (kernel/printk/printk.c:2504) [ 13.376408][ T307] ? snapshot_read.cold (user.c:?) [ 13.376411][ T307] ? 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) [ 13.376414][ T307] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.376418][ T307] ? 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) [ 13.376421][ T307] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.376425][ T307] ? exit_notify (kernel/exit.c:780) [ 13.376426][ T307] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.376429][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.376433][ T307] do_group_exit (kernel/exit.c:1151) [ 13.376436][ T307] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.376438][ T307] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.376440][ T307] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.376444][ T307] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.376447][ T307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.376450][ T307] RIP: 0033:0x7f71c63191b8 [ 13.376452][ T307] Code: Unable to access opcode bytes at 0x7f71c631918e. Code starting with the faulting instruction =========================================== [ 13.376453][ T307] RSP: 002b:00007fffcaf29968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.376455][ T307] RAX: ffffffffffffffda RBX: 00007f71c6449f88 RCX: 00007f71c63191b8 [ 13.376457][ T307] RDX: 00007f71c6063fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.376458][ T307] RBP: 00007fffcaf299c0 R08: 0000000000000000 R09: 0000000000000050 [ 13.376459][ T307] R10: 00007fffcaf29780 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print