====================================== | [ 11.713519][ T251] softirqs last disabled at (40722): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.713522][ T251] Preemption disabled at: | [ 11.713523][ T251] 0x0 | [ 11.713536][ T251] Tainted: [W]=WARN [ 11.713537][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.713539][ T251] Call Trace: [ 11.713541][ T251] [ 11.713543][ T251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.713551][ T251] __might_resched.cold (kernel/sched/core.c:9234) [ 11.713557][ T251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.713563][ T251] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.713569][ T251] __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)) [ 11.713573][ T251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.713582][ T251] ? 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) [ 11.713586][ T251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.713592][ T251] put_chars (drivers/char/virtio_console.c:1176) [ 11.713596][ T251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.713598][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.713603][ T251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.713612][ T251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.713624][ T251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.713628][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.713631][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.713638][ T251] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.713644][ T251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.713646][ T251] ? 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)) [ 11.713652][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.713654][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.713661][ T251] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.713668][ T251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.713670][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.713679][ T251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.713684][ T251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.713686][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.713689][ T251] ? 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) [ 11.713695][ T251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.713698][ T251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.713702][ T251] vprintk_emit (kernel/printk/printk.c:2479) [ 11.713708][ T251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.713713][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.713719][ T251] _printk (kernel/printk/printk.c:2504) [ 11.713724][ T251] ? snapshot_read.cold (user.c:?) [ 11.713728][ T251] ? 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) [ 11.713732][ T251] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.713738][ T251] ? 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) [ 11.713743][ T251] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.713748][ T251] ? exit_notify (kernel/exit.c:780) [ 11.713750][ T251] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.713754][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.713761][ T251] do_group_exit (kernel/exit.c:1151) [ 11.713765][ T251] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.713768][ T251] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.713771][ T251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.713776][ T251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.713780][ T251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.713783][ T251] RIP: 0033:0x7fa9a3e921b8 [ 11.713786][ T251] Code: Unable to access opcode bytes at 0x7fa9a3e9218e. Code starting with the faulting instruction =========================================== [ 11.713788][ T251] RSP: 002b:00007ffee7634ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.713791][ T251] RAX: ffffffffffffffda RBX: 00007fa9a3fc2f88 RCX: 00007fa9a3e921b8 [ 11.713793][ T251] RDX: 00007fa9a3bdcfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.713794][ T251] RBP: 00007ffee7635050 R08: 0000000000000000 R09: 0000000000000000 [ 11.713796][ T251] R10: 00007ffee7634e10 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print