====================================== | [ 9.040392][ T182] softirqs last disabled at (20822): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.040395][ T182] Preemption disabled at: | [ 9.040395][ T182] 0x0 | [ 9.040406][ T182] Tainted: [W]=WARN [ 9.040407][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.040408][ T182] Call Trace: [ 9.040410][ T182] [ 9.040411][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.040417][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 9.040422][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.040426][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.040430][ T182] __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)) [ 9.040432][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.040438][ T182] ? 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) [ 9.040441][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.040444][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 9.040448][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.040450][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.040454][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.040459][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.040467][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.040474][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040476][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.040480][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.040484][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.040485][ T182] ? 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)) [ 9.040488][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040490][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.040494][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.040498][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.040500][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040504][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.040507][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.040509][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040511][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.040514][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.040515][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.040519][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 9.040522][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.040525][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.040529][ T182] _printk (kernel/printk/printk.c:2504) [ 9.040532][ T182] ? snapshot_read.cold (user.c:?) [ 9.040535][ T182] ? 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) [ 9.040538][ T182] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.040541][ T182] ? 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) [ 9.040544][ T182] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.040547][ T182] ? exit_notify (kernel/exit.c:780) [ 9.040549][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.040552][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.040556][ T182] do_group_exit (kernel/exit.c:1151) [ 9.040559][ T182] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.040561][ T182] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.040563][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.040566][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.040570][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.040572][ T182] RIP: 0033:0x7f8c0387d1b8 [ 9.040574][ T182] Code: Unable to access opcode bytes at 0x7f8c0387d18e. Code starting with the faulting instruction =========================================== [ 9.040575][ T182] RSP: 002b:00007ffff1c41538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.040577][ T182] RAX: ffffffffffffffda RBX: 00007f8c039adf88 RCX: 00007f8c0387d1b8 [ 9.040579][ T182] RDX: 00007f8c035c7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.040580][ T182] RBP: 00007ffff1c41590 R08: 0000000000000000 R09: 0000000000000050 [ 9.040580][ T182] R10: 00007ffff1c41350 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print