====================================== | [ 25.005819][ T582] softirqs last disabled at (22834): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 25.005822][ T582] Preemption disabled at: | [ 25.005823][ T582] 0x0 | [ 25.005833][ T582] Tainted: [W]=WARN [ 25.005834][ T582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.005835][ T582] Call Trace: [ 25.005837][ T582] [ 25.005838][ T582] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.005845][ T582] __might_resched.cold (kernel/sched/core.c:9234) [ 25.005850][ T582] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.005854][ T582] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.005858][ T582] __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)) [ 25.005860][ T582] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.005866][ T582] ? 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) [ 25.005869][ T582] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.005873][ T582] put_chars (drivers/char/virtio_console.c:1176) [ 25.005875][ T582] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.005876][ T582] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.005880][ T582] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.005888][ T582] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.005896][ T582] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.005898][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.005900][ T582] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.005904][ T582] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.005908][ T582] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.005910][ T582] ? 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)) [ 25.005914][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.005915][ T582] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.005919][ T582] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.005923][ T582] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.005925][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.005930][ T582] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.005933][ T582] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.005935][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.005937][ T582] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.005941][ T582] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.005942][ T582] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.005945][ T582] vprintk_emit (kernel/printk/printk.c:2479) [ 25.005948][ T582] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.005951][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.005955][ T582] _printk (kernel/printk/printk.c:2504) [ 25.005959][ T582] ? snapshot_read.cold (user.c:?) [ 25.005962][ T582] ? 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) [ 25.005964][ T582] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.005968][ T582] ? 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) [ 25.005971][ T582] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.005975][ T582] ? exit_notify (kernel/exit.c:780) [ 25.005976][ T582] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.005979][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.005982][ T582] do_group_exit (kernel/exit.c:1151) [ 25.005985][ T582] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.005987][ T582] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.005989][ T582] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.005993][ T582] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.005996][ T582] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.005998][ T582] RIP: 0033:0x7fe587e2c1b8 [ 25.006000][ T582] Code: Unable to access opcode bytes at 0x7fe587e2c18e. Code starting with the faulting instruction =========================================== [ 25.006001][ T582] RSP: 002b:00007ffe935d8eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.006003][ T582] RAX: ffffffffffffffda RBX: 00007fe587f5cf88 RCX: 00007fe587e2c1b8 [ 25.006005][ T582] RDX: 00007fe587d69a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.006006][ T582] RBP: 00007ffe935d8f10 R08: 0000000000000000 R09: 0000000000000020 [ 25.006006][ T582] R10: 00007ffe935d8d50 R11: 0000000000000246 R12: 0000000000000001 Finger prints: sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print