====================================== | [ 10.272371][ T201] softirqs last disabled at (4007332): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.272375][ T201] Preemption disabled at: | [ 10.272376][ T201] 0x0 | [ 10.272390][ T201] Tainted: [W]=WARN [ 10.272391][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.272393][ T201] Call Trace: [ 10.272395][ T201] [ 10.272396][ T201] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.272402][ T201] __might_resched.cold (kernel/sched/core.c:9234) [ 10.272407][ T201] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.272410][ T201] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.272415][ T201] __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)) [ 10.272418][ T201] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.272424][ T201] ? 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) [ 10.272426][ T201] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.272430][ T201] put_chars (drivers/char/virtio_console.c:1176) [ 10.272433][ T201] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.272435][ T201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.272439][ T201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.272445][ T201] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.272452][ T201] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.272454][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.272456][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.272460][ T201] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.272464][ T201] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.272465][ T201] ? 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)) [ 10.272468][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.272470][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.272474][ T201] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.272477][ T201] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.272479][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.272484][ T201] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.272486][ T201] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.272488][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.272489][ T201] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.272493][ T201] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.272495][ T201] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.272498][ T201] vprintk_emit (kernel/printk/printk.c:2479) [ 10.272501][ T201] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.272504][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.272508][ T201] _printk (kernel/printk/printk.c:2504) [ 10.272512][ T201] ? snapshot_read.cold (user.c:?) [ 10.272515][ T201] ? 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) [ 10.272518][ T201] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.272522][ T201] ? 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) [ 10.272525][ T201] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.272528][ T201] ? exit_notify (kernel/exit.c:780) [ 10.272530][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.272533][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.272537][ T201] do_group_exit (kernel/exit.c:1151) [ 10.272540][ T201] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.272542][ T201] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.272545][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.272548][ T201] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.272551][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.272554][ T201] RIP: 0033:0x479678 [ 10.272556][ T201] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.272557][ T201] RSP: 002b:00007ffe5a8e15c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.272559][ T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.272561][ T201] RDX: 0000000039ca7708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.272562][ T201] RBP: 00007ffe5a8e1620 R08: 0000000000000000 R09: 0000000039ca83e0 [ 10.272563][ T201] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffe5a8e1758 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print