====================================== | [ 16.808991][ T199] softirqs last disabled at (4346768): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 16.808995][ T199] Preemption disabled at: | [ 16.808995][ T199] 0x0 | [ 16.809005][ T199] Tainted: [W]=WARN [ 16.809007][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.809008][ T199] Call Trace: [ 16.809010][ T199] [ 16.809012][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.809017][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 16.809022][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.809025][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.809030][ T199] __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)) [ 16.809033][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.809042][ T199] ? 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) [ 16.809045][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.809048][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 16.809052][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.809053][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.809057][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.809063][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.809069][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.809072][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.809074][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.809078][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.809081][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.809082][ T199] ? 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)) [ 16.809085][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.809087][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.809091][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.809094][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.809096][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.809101][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.809103][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.809104][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.809106][ T199] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.809110][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.809112][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.809115][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 16.809118][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.809119][ T199] ? 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) [ 16.809122][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.809126][ T199] _printk (kernel/printk/printk.c:2504) [ 16.809130][ T199] ? snapshot_read.cold (user.c:?) [ 16.809133][ T199] ? 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) [ 16.809135][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.809139][ T199] ? 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) [ 16.809142][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.809146][ T199] ? exit_notify (kernel/exit.c:780) [ 16.809147][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.809150][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.809153][ T199] do_group_exit (kernel/exit.c:1151) [ 16.809156][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.809158][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.809161][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.809165][ T199] ? irq_exit_rcu (kernel/softirq.c:786) [ 16.809168][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.809170][ T199] RIP: 0033:0x479678 [ 16.809172][ T199] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 16.809174][ T199] RSP: 002b:00007fff79c6e608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.809176][ T199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 16.809178][ T199] RDX: 000000001d30d708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 16.809179][ T199] RBP: 00007fff79c6e660 R08: 0000000000000000 R09: 000000001d30e3e0 [ 16.809180][ T199] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff79c6e798 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print