====================================== | [ 12.095150][ T86] softirqs last disabled at (412160): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.095153][ T86] Preemption disabled at: | [ 12.095154][ T86] 0x0 | [ 12.095165][ T86] Tainted: [W]=WARN [ 12.095166][ T86] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.095167][ T86] Call Trace: [ 12.095169][ T86] [ 12.095170][ T86] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.095176][ T86] __might_resched.cold (kernel/sched/core.c:9234) [ 12.095181][ T86] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.095185][ T86] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.095190][ T86] __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)) [ 12.095192][ T86] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.095198][ T86] ? 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) [ 12.095201][ T86] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.095204][ T86] put_chars (drivers/char/virtio_console.c:1176) [ 12.095208][ T86] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.095209][ T86] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.095213][ T86] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.095216][ T86] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.095220][ T86] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.095223][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.095225][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.095229][ T86] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.095233][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.095236][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.095240][ T86] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.095243][ T86] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.095247][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.095250][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.095254][ T86] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.095259][ T86] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.095261][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.095266][ T86] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.095269][ T86] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.095270][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.095272][ T86] ? 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)) [ 12.095276][ T86] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.095277][ T86] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.095281][ T86] vprintk_emit (kernel/printk/printk.c:2479) [ 12.095284][ T86] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.095287][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.095291][ T86] _printk (kernel/printk/printk.c:2504) [ 12.095294][ T86] ? snapshot_read.cold (user.c:?) [ 12.095296][ T86] ? 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) [ 12.095299][ T86] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.095303][ T86] ? 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) [ 12.095305][ T86] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.095309][ T86] ? exit_notify (kernel/exit.c:780) [ 12.095310][ T86] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.095313][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.095316][ T86] do_group_exit (kernel/exit.c:1151) [ 12.095319][ T86] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.095321][ T86] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.095323][ T86] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.095326][ T86] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.095329][ T86] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.095331][ T86] RIP: 0033:0x7f9c474d51b8 [ 12.095333][ T86] Code: Unable to access opcode bytes at 0x7f9c474d518e. Code starting with the faulting instruction =========================================== [ 12.095335][ T86] RSP: 002b:00007ffdfa4cb168 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.095337][ T86] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c474d51b8 [ 12.095338][ T86] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.095339][ T86] RBP: 00007ffdfa4cb2f0 R08: 0000564c98121eb8 R09: 0000000000000000 [ 12.095340][ T86] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print