====================================== | [ 11.950336][ T86] softirqs last disabled at (456368): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.950338][ T86] Preemption disabled at: | [ 11.950339][ T86] 0x0 | [ 11.950349][ T86] Tainted: [W]=WARN [ 11.950350][ T86] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.950351][ T86] Call Trace: [ 11.950353][ T86] [ 11.950355][ T86] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.950361][ T86] __might_resched.cold (kernel/sched/core.c:9234) [ 11.950366][ T86] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.950370][ T86] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.950375][ T86] __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)) [ 11.950377][ T86] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.950383][ T86] ? 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) [ 11.950386][ T86] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.950389][ T86] put_chars (drivers/char/virtio_console.c:1176) [ 11.950393][ T86] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.950395][ T86] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.950398][ T86] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.950401][ T86] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.950405][ T86] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.950408][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950410][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950414][ T86] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.950417][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950421][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.950425][ T86] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.950428][ T86] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.950433][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950435][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.950439][ T86] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.950442][ T86] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.950444][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950449][ T86] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.950452][ T86] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.950453][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950456][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 11.950459][ T86] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.950461][ T86] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.950464][ T86] vprintk_emit (kernel/printk/printk.c:2479) [ 11.950468][ T86] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.950471][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950474][ T86] _printk (kernel/printk/printk.c:2504) [ 11.950478][ T86] ? snapshot_read.cold (user.c:?) [ 11.950480][ T86] ? 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) [ 11.950483][ T86] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.950487][ T86] ? 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) [ 11.950489][ T86] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.950493][ T86] ? exit_notify (kernel/exit.c:780) [ 11.950494][ T86] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.950497][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950501][ T86] do_group_exit (kernel/exit.c:1151) [ 11.950503][ T86] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.950505][ T86] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.950507][ T86] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.950510][ T86] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.950514][ T86] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.950516][ T86] RIP: 0033:0x7f18fd9d21b8 [ 11.950518][ T86] Code: Unable to access opcode bytes at 0x7f18fd9d218e. Code starting with the faulting instruction =========================================== [ 11.950520][ T86] RSP: 002b:00007ffd23e6b1a8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 11.950522][ T86] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f18fd9d21b8 [ 11.950523][ T86] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 11.950524][ T86] RBP: 00007ffd23e6b330 R08: 000055a2b51abdf8 R09: 0000000000000000 [ 11.950525][ T86] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print