====================================== | [ 17.873678][ T208] softirqs last disabled at (4283348): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 17.873681][ T208] Preemption disabled at: | [ 17.873682][ T208] 0x0 | [ 17.873692][ T208] Tainted: [W]=WARN [ 17.873693][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.873695][ T208] Call Trace: [ 17.873696][ T208] [ 17.873698][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.873703][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 17.873708][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.873711][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.873716][ T208] __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)) [ 17.873719][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.873725][ T208] ? 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) [ 17.873727][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.873731][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 17.873734][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.873736][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.873740][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.873745][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.873751][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.873753][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.873755][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.873759][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.873763][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.873764][ T208] ? 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)) [ 17.873767][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.873768][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.873772][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.873776][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.873777][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.873782][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.873784][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.873786][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.873787][ T208] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.873791][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.873793][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.873796][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 17.873799][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.873800][ T208] ? 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) [ 17.873803][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.873807][ T208] _printk (kernel/printk/printk.c:2504) [ 17.873811][ T208] ? snapshot_read.cold (user.c:?) [ 17.873814][ T208] ? 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) [ 17.873816][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.873820][ T208] ? 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) [ 17.873823][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.873827][ T208] ? exit_notify (kernel/exit.c:780) [ 17.873828][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.873831][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.873835][ T208] do_group_exit (kernel/exit.c:1151) [ 17.873837][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.873839][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.873842][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.873846][ T208] ? irq_exit_rcu (kernel/softirq.c:786) [ 17.873849][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.873851][ T208] RIP: 0033:0x479678 [ 17.873853][ T208] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 17.873854][ T208] RSP: 002b:00007fff53f41668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.873857][ T208] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 17.873858][ T208] RDX: 000000001f2d5708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 17.873859][ T208] RBP: 00007fff53f416c0 R08: 0000000000000000 R09: 000000001f2d63e0 [ 17.873860][ T208] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff53f417f8 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print