====================================== | [ 8.700586][ T167] softirqs last disabled at (176018): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 8.700589][ T167] Preemption disabled at: | [ 8.700590][ T167] 0x0 | [ 8.700600][ T167] Tainted: [W]=WARN [ 8.700601][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.700603][ T167] Call Trace: [ 8.700604][ T167] [ 8.700606][ T167] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.700612][ T167] __might_resched.cold (kernel/sched/core.c:9234) [ 8.700616][ T167] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.700620][ T167] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.700625][ T167] __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)) [ 8.700627][ T167] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.700633][ T167] ? 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) [ 8.700636][ T167] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.700639][ T167] put_chars (drivers/char/virtio_console.c:1176) [ 8.700642][ T167] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.700645][ T167] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.700650][ T167] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.700657][ T167] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.700659][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.700663][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.700667][ T167] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.700671][ T167] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.700673][ T167] ? 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)) [ 8.700676][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.700678][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.700682][ T167] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.700690][ T167] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.700692][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.700697][ T167] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.700700][ T167] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.700701][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.700704][ T167] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.700707][ T167] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.700709][ T167] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.700712][ T167] vprintk_emit (kernel/printk/printk.c:2479) [ 8.700715][ T167] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.700717][ T167] ? 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) [ 8.700720][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.700724][ T167] _printk (kernel/printk/printk.c:2504) [ 8.700727][ T167] ? snapshot_read.cold (user.c:?) [ 8.700730][ T167] ? 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) [ 8.700732][ T167] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.700736][ T167] ? 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) [ 8.700739][ T167] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.700742][ T167] ? exit_notify (kernel/exit.c:780) [ 8.700744][ T167] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.700746][ T167] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.700748][ T167] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.700751][ T167] do_group_exit (kernel/exit.c:1151) [ 8.700753][ T167] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 8.700754][ T167] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.700757][ T167] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 8.700760][ T167] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 8.700761][ T167] get_signal (kernel/signal.c:3039) [ 8.700767][ T167] ? poll_freewait (fs/select.c:138) [ 8.700772][ T167] ? ptrace_signal (./include/linux/signal.h:87) [ 8.700775][ T167] ? ktime_get_ts64 (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1145 (discriminator 6)) [ 8.700780][ T167] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 8.700783][ T167] ? do_pselect.constprop.0 (fs/select.c:771) [ 8.700786][ T167] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 8.700791][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.700794][ T167] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.700797][ T167] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 8.700800][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.700803][ T167] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 8.700806][ T167] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.700808][ T167] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.700810][ T167] RIP: 0033:0x7f2e88632312 [ 8.700812][ T167] Code: Unable to access opcode bytes at 0x7f2e886322e8. Code starting with the faulting instruction =========================================== [ 8.700814][ T167] RSP: 002b:00007fff8717a798 EFLAGS: 00000246 ORIG_RAX: 000000000000010e [ 8.700816][ T167] RAX: fffffffffffffdfe RBX: 00007fff8717a9b0 RCX: 00007f2e88632312 [ 8.700817][ T167] RDX: 0000000000000000 RSI: 00007fff8717a860 RDI: 000000000000000c [ 8.700818][ T167] RBP: 00007fff8717a7c0 R08: 00007fff8717a800 R09: 0000000000000000 [ 8.700819][ T167] R10: 00007fff8717a8e0 R11: 0000000000000246 R12: 7fffffffffffffff Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print