====================================== | [ 10.465519][ T185] softirqs last disabled at (38586): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.465521][ T185] Preemption disabled at: | [ 10.465521][ T185] 0x0 | [ 10.465530][ T185] Tainted: [W]=WARN [ 10.465531][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.465533][ T185] Call Trace: [ 10.465534][ T185] [ 10.465536][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.465541][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 10.465546][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.465549][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.465554][ T185] __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)) [ 10.465556][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.465562][ T185] ? 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) [ 10.465565][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.465568][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 10.465571][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.465578][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.465585][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.465587][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.465592][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.465595][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.465597][ T185] ? 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)) [ 10.465599][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.465603][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.465607][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.465611][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.465612][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.465617][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.465620][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.465621][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.465623][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.465627][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.465628][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.465631][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 10.465634][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.465637][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.465641][ T185] _printk (kernel/printk/printk.c:2504) [ 10.465645][ T185] ? snapshot_read.cold (user.c:?) [ 10.465647][ T185] ? 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) [ 10.465650][ T185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.465654][ T185] ? 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) [ 10.465657][ T185] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.465661][ T185] ? exit_notify (kernel/exit.c:780) [ 10.465662][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.465665][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.465669][ T185] do_group_exit (kernel/exit.c:1151) [ 10.465672][ T185] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.465674][ T185] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.465676][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.465679][ T185] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.465683][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.465685][ T185] RIP: 0033:0x7f55776771b8 [ 10.465687][ T185] Code: Unable to access opcode bytes at 0x7f557767718e. Code starting with the faulting instruction =========================================== [ 10.465688][ T185] RSP: 002b:00007ffcfd5def28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.465690][ T185] RAX: ffffffffffffffda RBX: 00007f55777a7f88 RCX: 00007f55776771b8 [ 10.465691][ T185] RDX: 00007f55773c1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.465692][ T185] RBP: 00007ffcfd5def80 R08: 0000000000000000 R09: 0000000000000000 [ 10.465693][ T185] R10: 00007ffcfd5ded40 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print