====================================== | [ 10.428428][ T198] softirqs last disabled at (4099682): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.428431][ T198] Preemption disabled at: | [ 10.428432][ T198] 0x0 | [ 10.428442][ T198] Tainted: [W]=WARN [ 10.428443][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.428445][ T198] Call Trace: [ 10.428446][ T198] [ 10.428448][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.428453][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 10.428458][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.428461][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.428466][ T198] __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)) [ 10.428469][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.428475][ T198] ? 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) [ 10.428477][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.428481][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 10.428484][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.428486][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.428489][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.428495][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.428501][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.428503][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.428505][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.428509][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.428513][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.428514][ T198] ? 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)) [ 10.428516][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.428518][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.428522][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.428526][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.428527][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.428532][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.428534][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.428535][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.428537][ T198] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.428541][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.428543][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.428545][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 10.428549][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.428550][ T198] ? 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) [ 10.428553][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.428557][ T198] _printk (kernel/printk/printk.c:2504) [ 10.428564][ T198] ? snapshot_read.cold (user.c:?) [ 10.428566][ T198] ? 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) [ 10.428569][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.428573][ T198] ? 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) [ 10.428576][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.428579][ T198] ? exit_notify (kernel/exit.c:780) [ 10.428581][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.428584][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.428587][ T198] do_group_exit (kernel/exit.c:1151) [ 10.428590][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.428592][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.428595][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.428598][ T198] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.428601][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.428604][ T198] RIP: 0033:0x479678 [ 10.428606][ T198] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.428607][ T198] RSP: 002b:00007fff4a8963b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.428610][ T198] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.428611][ T198] RDX: 000000003c5f9708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.428612][ T198] RBP: 00007fff4a896410 R08: 0000000000000000 R09: 000000003c5fa3e0 [ 10.428613][ T198] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff4a896548 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print