====================================== | [ 12.168254][ T241] softirqs last disabled at (48706): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.168257][ T241] Preemption disabled at: | [ 12.168257][ T241] 0x0 | [ 12.168268][ T241] Tainted: [W]=WARN [ 12.168268][ T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.168270][ T241] Call Trace: [ 12.168272][ T241] [ 12.168273][ T241] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.168279][ T241] __might_resched.cold (kernel/sched/core.c:9234) [ 12.168284][ T241] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.168288][ T241] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.168293][ T241] __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)) [ 12.168295][ T241] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.168301][ T241] ? 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) [ 12.168303][ T241] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.168307][ T241] put_chars (drivers/char/virtio_console.c:1176) [ 12.168310][ T241] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.168312][ T241] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.168317][ T241] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.168322][ T241] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.168329][ T241] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.168332][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.168334][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.168338][ T241] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.168341][ T241] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.168343][ T241] ? 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)) [ 12.168346][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.168348][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.168351][ T241] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.168355][ T241] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.168357][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.168362][ T241] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.168364][ T241] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.168366][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.168368][ T241] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.168371][ T241] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.168373][ T241] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.168376][ T241] vprintk_emit (kernel/printk/printk.c:2479) [ 12.168379][ T241] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.168382][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.168386][ T241] _printk (kernel/printk/printk.c:2504) [ 12.168390][ T241] ? snapshot_read.cold (user.c:?) [ 12.168392][ T241] ? 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) [ 12.168395][ T241] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.168398][ T241] ? 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) [ 12.168401][ T241] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.168405][ T241] ? exit_notify (kernel/exit.c:780) [ 12.168406][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.168409][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.168413][ T241] do_group_exit (kernel/exit.c:1151) [ 12.168416][ T241] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.168418][ T241] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.168420][ T241] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.168423][ T241] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.168426][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.168429][ T241] RIP: 0033:0x7f85734a51b8 [ 12.168431][ T241] Code: Unable to access opcode bytes at 0x7f85734a518e. Code starting with the faulting instruction =========================================== [ 12.168432][ T241] RSP: 002b:00007ffc85a65488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.168434][ T241] RAX: ffffffffffffffda RBX: 00007f85735d5f88 RCX: 00007f85734a51b8 [ 12.168436][ T241] RDX: 00007f85733e2a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.168437][ T241] RBP: 00007ffc85a654e0 R08: 0000000000000000 R09: 0000000000000000 [ 12.168437][ T241] R10: 00007ffc85a65320 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print