====================================== | [ 11.533011][ T200] softirqs last disabled at (4020354): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 11.533015][ T200] Preemption disabled at: | [ 11.533016][ T200] 0x0 | [ 11.533025][ T200] Tainted: [W]=WARN [ 11.533026][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.533032][ T200] Call Trace: [ 11.533034][ T200] [ 11.533036][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.533041][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 11.533046][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.533049][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.533054][ T200] __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)) [ 11.533057][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.533063][ T200] ? 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) [ 11.533065][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.533069][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 11.533072][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.533074][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.533077][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.533083][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.533089][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.533092][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.533094][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.533098][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.533101][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.533102][ T200] ? 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)) [ 11.533105][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.533107][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.533111][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.533114][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.533116][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.533121][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.533123][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.533125][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.533126][ T200] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.533130][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.533132][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.533135][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 11.533138][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.533140][ T200] ? 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) [ 11.533143][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.533147][ T200] _printk (kernel/printk/printk.c:2504) [ 11.533150][ T200] ? snapshot_read.cold (user.c:?) [ 11.533153][ T200] ? 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) [ 11.533156][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.533160][ T200] ? 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) [ 11.533163][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.533166][ T200] ? exit_notify (kernel/exit.c:780) [ 11.533168][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.533171][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.533174][ T200] do_group_exit (kernel/exit.c:1151) [ 11.533177][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.533179][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.533182][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.533186][ T200] ? irq_exit_rcu (kernel/softirq.c:786) [ 11.533188][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.533191][ T200] RIP: 0033:0x479678 [ 11.533193][ T200] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 11.533194][ T200] RSP: 002b:00007fff50f1fd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.533196][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 11.533198][ T200] RDX: 000000002c4e4708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 11.533199][ T200] RBP: 00007fff50f1fd70 R08: 0000000000000000 R09: 000000002c4e53e0 [ 11.533200][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff50f1fea8 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print