====================================== | [ 12.831045][ T203] softirqs last disabled at (3957036): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 12.831049][ T203] Preemption disabled at: | [ 12.831050][ T203] 0x0 | [ 12.831060][ T203] Tainted: [W]=WARN [ 12.831060][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.831062][ T203] Call Trace: [ 12.831063][ T203] [ 12.831065][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.831070][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 12.831074][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.831077][ 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) [ 12.831082][ 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)) [ 12.831085][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.831091][ 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) [ 12.831094][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.831097][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 12.831100][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.831102][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.831106][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.831111][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.831117][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.831119][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.831121][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.831125][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.831129][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.831130][ 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)) [ 12.831132][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.831134][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.831138][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.831142][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.831143][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.831148][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.831150][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.831152][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.831153][ T203] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.831157][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.831159][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.831162][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 12.831165][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.831167][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.831171][ T203] _printk (kernel/printk/printk.c:2504) [ 12.831175][ T203] ? snapshot_read.cold (user.c:?) [ 12.831178][ 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) [ 12.831180][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.831184][ 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) [ 12.831187][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.831190][ T203] ? exit_notify (kernel/exit.c:780) [ 12.831192][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.831195][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.831198][ T203] do_group_exit (kernel/exit.c:1151) [ 12.831201][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.831203][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.831206][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.831209][ T203] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.831212][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.831215][ T203] RIP: 0033:0x479678 [ 12.831217][ T203] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 12.831218][ T203] RSP: 002b:00007ffdde2a6018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.831220][ T203] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.831222][ T203] RDX: 000000003175e708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.831223][ T203] RBP: 00007ffdde2a6070 R08: 0000000000000000 R09: 000000003175f3e0 [ 12.831223][ T203] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffdde2a61a8 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print