====================================== | [ 10.674558][ T250] softirqs last disabled at (21082): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.674560][ T250] Preemption disabled at: | [ 10.674561][ T250] 0x0 | [ 10.674571][ T250] Tainted: [W]=WARN [ 10.674572][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.674573][ T250] Call Trace: [ 10.674575][ T250] [ 10.674577][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.674584][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 10.674588][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.674592][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.674597][ T250] __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)) [ 10.674598][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.674605][ T250] ? 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) [ 10.674608][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.674611][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 10.674614][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.674615][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.674618][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.674624][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.674631][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.674633][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.674635][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.674639][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.674643][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.674645][ T250] ? 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)) [ 10.674648][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.674650][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.674653][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.674657][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.674659][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.674664][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.674667][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.674669][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.674671][ T250] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.674674][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.674676][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.674678][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 10.674682][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.674684][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.674688][ T250] _printk (kernel/printk/printk.c:2504) [ 10.674691][ T250] ? snapshot_read.cold (user.c:?) [ 10.674694][ T250] ? 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) [ 10.674697][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.674700][ T250] ? 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) [ 10.674703][ T250] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.674707][ T250] ? exit_notify (kernel/exit.c:780) [ 10.674708][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.674711][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.674714][ T250] do_group_exit (kernel/exit.c:1151) [ 10.674717][ T250] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.674719][ T250] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.674721][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.674725][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.674728][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.674730][ T250] RIP: 0033:0x7f8f434a91b8 [ 10.674732][ T250] Code: Unable to access opcode bytes at 0x7f8f434a918e. Code starting with the faulting instruction =========================================== [ 10.674733][ T250] RSP: 002b:00007ffe22ec7dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.674735][ T250] RAX: ffffffffffffffda RBX: 00007f8f435d9f88 RCX: 00007f8f434a91b8 [ 10.674737][ T250] RDX: 00007f8f431f3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.674737][ T250] RBP: 00007ffe22ec7e20 R08: 0000000000000000 R09: 0000000000000050 [ 10.674738][ T250] R10: 00007ffe22ec7be0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print