====================================== | [ 8.515293][ T134] softirqs last disabled at (31496): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 8.515296][ T134] Preemption disabled at: | [ 8.515297][ T134] 0x0 | [ 8.515307][ T134] Tainted: [W]=WARN [ 8.515308][ T134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.515310][ T134] Call Trace: [ 8.515311][ T134] [ 8.515313][ T134] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.515319][ T134] __might_resched.cold (kernel/sched/core.c:9234) [ 8.515324][ T134] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.515328][ T134] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.515333][ T134] __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)) [ 8.515335][ T134] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.515341][ T134] ? 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) [ 8.515344][ T134] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.515348][ T134] put_chars (drivers/char/virtio_console.c:1176) [ 8.515351][ T134] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.515353][ T134] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.515357][ T134] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.515362][ T134] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.515370][ T134] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.515372][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.515375][ T134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.515378][ T134] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.515382][ T134] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.515384][ T134] ? 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)) [ 8.515387][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.515389][ T134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.515393][ T134] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.515401][ T134] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.515403][ T134] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.515408][ T134] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.515411][ T134] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.515412][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.515414][ T134] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.515418][ T134] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.515420][ T134] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.515423][ T134] vprintk_emit (kernel/printk/printk.c:2479) [ 8.515426][ T134] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.515430][ T134] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.515433][ T134] _printk (kernel/printk/printk.c:2504) [ 8.515437][ T134] ? snapshot_read.cold (user.c:?) [ 8.515440][ T134] ? 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) [ 8.515442][ T134] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.515446][ T134] ? 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) [ 8.515449][ T134] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.515453][ T134] ? exit_notify (kernel/exit.c:780) [ 8.515454][ T134] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.515457][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.515461][ T134] do_group_exit (kernel/exit.c:1151) [ 8.515464][ T134] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.515467][ T134] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.515469][ T134] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.515473][ T134] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.515476][ T134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.515478][ T134] RIP: 0033:0x7f23b368e1b8 [ 8.515480][ T134] Code: Unable to access opcode bytes at 0x7f23b368e18e. Code starting with the faulting instruction =========================================== [ 8.515482][ T134] RSP: 002b:00007ffd39cd8428 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.515486][ T134] RAX: ffffffffffffffda RBX: 00007f23b37bef88 RCX: 00007f23b368e1b8 [ 8.515488][ T134] RDX: 00007f23b33d7b48 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.515489][ T134] RBP: 00007ffd39cd8480 R08: 0000000000000000 R09: 0000000000000000 [ 8.515490][ T134] R10: 00007ffd39cd8240 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print