====================================== | [ 10.515407][ T166] softirqs last disabled at (276134): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.515411][ T166] Preemption disabled at: | [ 10.515412][ T166] 0x0 | [ 10.515423][ T166] Tainted: [W]=WARN [ 10.515424][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.515426][ T166] Call Trace: [ 10.515427][ T166] [ 10.515429][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.515435][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 10.515440][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.515444][ T166] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.515449][ T166] __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)) [ 10.515452][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.515458][ T166] ? 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) [ 10.515461][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.515465][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 10.515468][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.515471][ T166] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.515477][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.515484][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.515487][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515491][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.515496][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.515500][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.515502][ T166] ? 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)) [ 10.515505][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515508][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.515512][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.515516][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.515518][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.515524][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.515527][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.515528][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515531][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.515535][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.515536][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.515540][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 10.515544][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.515548][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.515552][ T166] _printk (kernel/printk/printk.c:2504) [ 10.515555][ T166] ? snapshot_read.cold (user.c:?) [ 10.515558][ T166] ? 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) [ 10.515561][ T166] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.515565][ T166] ? 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) [ 10.515568][ T166] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.515572][ T166] ? exit_notify (kernel/exit.c:780) [ 10.515573][ T166] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.515577][ T166] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.515578][ T166] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.515582][ T166] do_group_exit (kernel/exit.c:1151) [ 10.515584][ T166] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 10.515585][ T166] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.515588][ T166] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 10.515591][ T166] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 10.515592][ T166] get_signal (kernel/signal.c:3039) [ 10.515601][ T166] ? ptrace_signal (./include/linux/signal.h:87) [ 10.515607][ T166] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 10.515612][ T166] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 10.515613][ T166] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.515618][ T166] ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1)) [ 10.515621][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515623][ T166] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.515627][ T166] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 10.515630][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.515633][ T166] 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) [ 10.515636][ T166] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.515639][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.515642][ T166] RIP: 0033:0x7f79c867a312 [ 10.515644][ T166] Code: Unable to access opcode bytes at 0x7f79c867a2e8. Code starting with the faulting instruction =========================================== [ 10.515645][ T166] RSP: 002b:00007ffdbc19cb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 10.515647][ T166] RAX: fffffffffffffe00 RBX: 000000000041b480 RCX: 00007f79c867a312 [ 10.515649][ T166] RDX: 0000000000000063 RSI: 0000000000000189 RDI: 000000000041b4a4 [ 10.515650][ T166] RBP: 00007ffdbc19cb40 R08: 0000000000000000 R09: 00000000ffffffff [ 10.515651][ T166] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print