====================================== | [ 12.637594][ T80] softirqs last disabled at (515546): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.637597][ T80] Preemption disabled at: | [ 12.637598][ T80] 0x0 | [ 12.637611][ T80] Tainted: [W]=WARN [ 12.637612][ T80] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.637614][ T80] Call Trace: [ 12.637616][ T80] [ 12.637619][ T80] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.637627][ T80] __might_resched.cold (kernel/sched/core.c:9234) [ 12.637633][ T80] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.637638][ T80] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.637643][ T80] __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)) [ 12.637645][ T80] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.637651][ T80] ? 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) [ 12.637654][ T80] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.637658][ T80] put_chars (drivers/char/virtio_console.c:1176) [ 12.637662][ T80] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.637664][ T80] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.637668][ T80] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.637671][ T80] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.637675][ T80] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.637679][ T80] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.637680][ T80] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.637684][ T80] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.637688][ T80] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.637692][ T80] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.637695][ T80] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.637699][ T80] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.637704][ T80] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.637706][ T80] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.637710][ T80] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.637714][ T80] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.637716][ T80] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.637721][ T80] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.637724][ T80] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.637725][ T80] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.637728][ T80] ? 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)) [ 12.637731][ T80] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.637733][ T80] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.637736][ T80] vprintk_emit (kernel/printk/printk.c:2479) [ 12.637740][ T80] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.637744][ T80] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.637747][ T80] _printk (kernel/printk/printk.c:2504) [ 12.637751][ T80] ? snapshot_read.cold (user.c:?) [ 12.637754][ T80] ? 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) [ 12.637756][ T80] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.637760][ T80] ? 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) [ 12.637763][ T80] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.637767][ T80] ? exit_notify (kernel/exit.c:780) [ 12.637768][ T80] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.637771][ T80] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.637775][ T80] do_group_exit (kernel/exit.c:1151) [ 12.637777][ T80] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.637779][ T80] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.637781][ T80] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.637785][ T80] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.637789][ T80] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.637791][ T80] RIP: 0033:0x7f94a67a61b8 [ 12.637793][ T80] Code: Unable to access opcode bytes at 0x7f94a67a618e. Code starting with the faulting instruction =========================================== [ 12.637794][ T80] RSP: 002b:00007ffee120b9d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.637797][ T80] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94a67a61b8 [ 12.637798][ T80] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.637799][ T80] RBP: 00007ffee120bb60 R08: 000056443c43af48 R09: 0000000000000000 [ 12.637800][ T80] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print