====================================== | [ 9.851949][ T232] softirqs last disabled at (40474): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.851951][ T232] Preemption disabled at: | [ 9.851952][ T232] 0x0 | [ 9.851962][ T232] Tainted: [W]=WARN [ 9.851963][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.851964][ T232] Call Trace: [ 9.851966][ T232] [ 9.851967][ T232] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.851974][ T232] __might_resched.cold (kernel/sched/core.c:9234) [ 9.851978][ T232] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.851982][ T232] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.851987][ T232] __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)) [ 9.851989][ T232] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.851995][ T232] ? 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) [ 9.851998][ T232] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.852001][ T232] put_chars (drivers/char/virtio_console.c:1176) [ 9.852004][ T232] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.852005][ T232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.852008][ T232] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.852013][ T232] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.852021][ T232] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.852023][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.852025][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.852029][ T232] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.852033][ T232] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.852035][ T232] ? 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)) [ 9.852038][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.852040][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.852044][ T232] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.852048][ T232] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.852050][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.852057][ T232] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.852060][ T232] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.852062][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.852063][ T232] ? 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) [ 9.852067][ T232] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.852069][ T232] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.852071][ T232] vprintk_emit (kernel/printk/printk.c:2479) [ 9.852075][ T232] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.852077][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.852081][ T232] _printk (kernel/printk/printk.c:2504) [ 9.852085][ T232] ? snapshot_read.cold (user.c:?) [ 9.852087][ T232] ? 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) [ 9.852090][ T232] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.852094][ T232] ? 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) [ 9.852096][ T232] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.852100][ T232] ? exit_notify (kernel/exit.c:780) [ 9.852101][ T232] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.852104][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.852107][ T232] do_group_exit (kernel/exit.c:1151) [ 9.852110][ T232] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.852112][ T232] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.852114][ T232] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.852118][ T232] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.852121][ T232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.852123][ T232] RIP: 0033:0x7f0deeab41b8 [ 9.852125][ T232] Code: Unable to access opcode bytes at 0x7f0deeab418e. Code starting with the faulting instruction =========================================== [ 9.852126][ T232] RSP: 002b:00007fff85492b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.852128][ T232] RAX: ffffffffffffffda RBX: 00007f0deebe4f88 RCX: 00007f0deeab41b8 [ 9.852130][ T232] RDX: 00007f0dee7fefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.852131][ T232] RBP: 00007fff85492bc0 R08: 0000000000000000 R09: 0000000000008010 [ 9.852131][ T232] R10: 00007fff85492980 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print