====================================== | [ 13.058639][ T234] softirqs last disabled at (4082126): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 13.058643][ T234] Preemption disabled at: | [ 13.058643][ T234] 0x0 | [ 13.058654][ T234] Tainted: [W]=WARN [ 13.058655][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.058657][ T234] Call Trace: [ 13.058658][ T234] [ 13.058660][ T234] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.058665][ T234] __might_resched.cold (kernel/sched/core.c:9234) [ 13.058670][ T234] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.058673][ T234] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.058678][ T234] __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)) [ 13.058681][ T234] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.058687][ T234] ? 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) [ 13.058690][ T234] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.058693][ T234] put_chars (drivers/char/virtio_console.c:1176) [ 13.058696][ T234] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.058698][ T234] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.058702][ T234] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.058708][ T234] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.058714][ T234] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.058716][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.058718][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.058723][ T234] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.058726][ T234] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.058728][ T234] ? 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)) [ 13.058730][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.058732][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.058736][ T234] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.058740][ T234] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.058741][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.058746][ T234] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.058749][ T234] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.058750][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.058752][ T234] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.058756][ T234] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.058758][ T234] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.058761][ T234] vprintk_emit (kernel/printk/printk.c:2479) [ 13.058764][ T234] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.058765][ T234] ? 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) [ 13.058768][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.058772][ T234] _printk (kernel/printk/printk.c:2504) [ 13.058776][ T234] ? snapshot_read.cold (user.c:?) [ 13.058779][ T234] ? 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) [ 13.058782][ T234] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.058786][ T234] ? 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) [ 13.058789][ T234] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.058792][ T234] ? exit_notify (kernel/exit.c:780) [ 13.058794][ T234] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.058797][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.058800][ T234] do_group_exit (kernel/exit.c:1151) [ 13.058803][ T234] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.058806][ T234] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.058808][ T234] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.058812][ T234] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.058815][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.058817][ T234] RIP: 0033:0x479678 [ 13.058819][ T234] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 13.058820][ T234] RSP: 002b:00007ffcac5c29c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.058823][ T234] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 13.058825][ T234] RDX: 000000000eaf4708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 13.058825][ T234] RBP: 00007ffcac5c2a20 R08: 0000000000000000 R09: 000000000eaf53e0 [ 13.058826][ T234] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffcac5c2b58 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print