====================================== | [ 10.149444][ T187] softirqs last disabled at (40246): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.149447][ T187] Preemption disabled at: | [ 10.149448][ T187] 0x0 | [ 10.149461][ T187] Tainted: [W]=WARN [ 10.149463][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.149465][ T187] Call Trace: [ 10.149468][ T187] [ 10.149470][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.149478][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.149485][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.149490][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.149498][ T187] __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)) [ 10.149502][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.149510][ T187] ? 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) [ 10.149514][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.149520][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.149524][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.149526][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.149533][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.149542][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.149553][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.149557][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.149561][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.149568][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.149575][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.149577][ T187] ? 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)) [ 10.149583][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.149587][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.149594][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.149601][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.149604][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.149613][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.149618][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.149621][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.149625][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.149631][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.149634][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.149640][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.149646][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.149652][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.149659][ T187] _printk (kernel/printk/printk.c:2504) [ 10.149664][ T187] ? snapshot_read.cold (user.c:?) [ 10.149669][ T187] ? 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) [ 10.149673][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.149680][ T187] ? 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) [ 10.149684][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.149689][ T187] ? exit_notify (kernel/exit.c:780) [ 10.149693][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.149697][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.149705][ T187] do_group_exit (kernel/exit.c:1151) [ 10.149710][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.149713][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.149716][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.149720][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.149725][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.149728][ T187] RIP: 0033:0x7f6360c481b8 [ 10.149731][ T187] Code: Unable to access opcode bytes at 0x7f6360c4818e. Code starting with the faulting instruction =========================================== [ 10.149733][ T187] RSP: 002b:00007ffd19441718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.149736][ T187] RAX: ffffffffffffffda RBX: 00007f6360d78f88 RCX: 00007f6360c481b8 [ 10.149738][ T187] RDX: 00007f6360992fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.149740][ T187] RBP: 00007ffd19441770 R08: 0000000000000000 R09: 0000000000008010 [ 10.149741][ T187] R10: 00007ffd19441530 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print