====================================== | [ 13.046802][ T82] softirqs last disabled at (362314): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.046804][ T82] Preemption disabled at: | [ 13.046805][ T82] 0x0 | [ 13.046816][ T82] Tainted: [W]=WARN [ 13.046817][ T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.046819][ T82] Call Trace: [ 13.046820][ T82] [ 13.046822][ T82] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.046829][ T82] __might_resched.cold (kernel/sched/core.c:9234) [ 13.046834][ T82] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.046838][ T82] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.046844][ T82] __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)) [ 13.046846][ T82] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.046853][ T82] ? 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) [ 13.046856][ T82] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.046860][ T82] put_chars (drivers/char/virtio_console.c:1176) [ 13.046863][ T82] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.046865][ T82] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.046869][ T82] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.046872][ T82] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.046876][ T82] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.046880][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.046882][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.046886][ T82] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.046890][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.046893][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.046898][ T82] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.046902][ T82] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.046906][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.046909][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.046913][ T82] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.046917][ T82] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.046919][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.046925][ T82] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.046928][ T82] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.046930][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.046933][ T82] ? 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)) [ 13.046937][ T82] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.046939][ T82] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.046942][ T82] vprintk_emit (kernel/printk/printk.c:2479) [ 13.046946][ T82] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.046950][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.046954][ T82] _printk (kernel/printk/printk.c:2504) [ 13.046957][ T82] ? snapshot_read.cold (user.c:?) [ 13.046960][ T82] ? 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) [ 13.046963][ T82] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.046967][ T82] ? 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) [ 13.046970][ T82] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.046974][ T82] ? exit_notify (kernel/exit.c:780) [ 13.046975][ T82] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.046978][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.046983][ T82] do_group_exit (kernel/exit.c:1151) [ 13.046986][ T82] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.046988][ T82] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.046990][ T82] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.046993][ T82] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.046997][ T82] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.046999][ T82] RIP: 0033:0x7f472f5ad1b8 [ 13.047002][ T82] Code: Unable to access opcode bytes at 0x7f472f5ad18e. Code starting with the faulting instruction =========================================== [ 13.047003][ T82] RSP: 002b:00007fff50092c88 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.047006][ T82] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f472f5ad1b8 [ 13.047007][ T82] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.047008][ T82] RBP: 00007fff50092e10 R08: 00005560b8d9e6b8 R09: 0000000000000000 [ 13.047009][ T82] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print