====================================== | [ 23.735615][ T203] softirqs last disabled at (2011898): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 23.735620][ T203] Preemption disabled at: | [ 23.735621][ T203] 0x0 | [ 23.735637][ T203] Tainted: [W]=WARN [ 23.735639][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.735642][ T203] Call Trace: [ 23.735644][ T203] [ 23.735647][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.735656][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 23.735663][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.735669][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.735679][ T203] __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)) [ 23.735683][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.735694][ T203] ? 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) [ 23.735699][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.735705][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 23.735711][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.735714][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.735721][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.735733][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.735746][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.735750][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.735754][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.735763][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.735770][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.735772][ T203] ? 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)) [ 23.735777][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.735781][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.735789][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.735797][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.735800][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.735810][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.735815][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.735818][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.735821][ T203] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.735829][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.735832][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.735838][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 23.735844][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.735851][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.735859][ T203] _printk (kernel/printk/printk.c:2504) [ 23.735865][ T203] ? snapshot_read.cold (user.c:?) [ 23.735870][ T203] ? 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) [ 23.735875][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.735884][ T203] ? 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) [ 23.735889][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 23.735895][ T203] ? exit_notify (kernel/exit.c:780) [ 23.735899][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.735905][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.735913][ T203] do_group_exit (kernel/exit.c:1151) [ 23.735919][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 23.735922][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 23.735927][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.735933][ T203] ? irq_exit_rcu (kernel/softirq.c:786) [ 23.735938][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.735943][ T203] RIP: 0033:0x479678 [ 23.735948][ T203] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 23.735949][ T203] RSP: 002b:00007ffc4429d6f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.735954][ T203] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 23.735956][ T203] RDX: 000000000e6b8708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 23.735958][ T203] RBP: 00007ffc4429d750 R08: 0000000000000000 R09: 000000000e6b93e0 [ 23.735961][ T203] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc4429d888 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print