====================================== | [ 13.589362][ T88] softirqs last disabled at (444298): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.589364][ T88] Preemption disabled at: | [ 13.589365][ T88] 0x0 | [ 13.589376][ T88] Tainted: [W]=WARN [ 13.589377][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.589379][ T88] Call Trace: [ 13.589380][ T88] [ 13.589382][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.589389][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 13.589393][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.589398][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.589403][ T88] __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)) [ 13.589406][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.589413][ T88] ? 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) [ 13.589416][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.589420][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 13.589424][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.589426][ T88] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.589429][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.589433][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.589437][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.589441][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.589443][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.589447][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.589451][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.589455][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.589459][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.589463][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.589468][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.589470][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.589474][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.589479][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.589481][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.589486][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.589489][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.589491][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.589494][ T88] ? 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)) [ 13.589497][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.589499][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.589503][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 13.589507][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.589511][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.589514][ T88] _printk (kernel/printk/printk.c:2504) [ 13.589518][ T88] ? snapshot_read.cold (user.c:?) [ 13.589521][ T88] ? 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) [ 13.589524][ T88] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.589528][ T88] ? 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) [ 13.589531][ T88] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.589535][ T88] ? exit_notify (kernel/exit.c:780) [ 13.589536][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.589539][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.589543][ T88] do_group_exit (kernel/exit.c:1151) [ 13.589546][ T88] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.589548][ T88] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.589551][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.589554][ T88] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.589558][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.589560][ T88] RIP: 0033:0x7f8930bc91b8 [ 13.589562][ T88] Code: Unable to access opcode bytes at 0x7f8930bc918e. Code starting with the faulting instruction =========================================== [ 13.589564][ T88] RSP: 002b:00007ffd9286a9e8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.589566][ T88] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8930bc91b8 [ 13.589568][ T88] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.589569][ T88] RBP: 00007ffd9286ab70 R08: 00005646799974b8 R09: 0000000000000000 [ 13.589570][ T88] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print