====================================== | [ 10.343990][ T199] softirqs last disabled at (4121508): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.343994][ T199] Preemption disabled at: | [ 10.343995][ T199] 0x0 | [ 10.344005][ T199] Tainted: [W]=WARN [ 10.344006][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.344007][ T199] Call Trace: [ 10.344009][ T199] [ 10.344010][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.344016][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 10.344021][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.344024][ 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) [ 10.344029][ 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)) [ 10.344032][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.344038][ 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) [ 10.344041][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.344044][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 10.344047][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.344049][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.344053][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.344058][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.344065][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.344067][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.344069][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.344073][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.344077][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.344078][ 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)) [ 10.344081][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.344082][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.344086][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.344090][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.344091][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.344096][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.344099][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.344100][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.344102][ T199] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.344105][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.344107][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.344110][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 10.344113][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.344115][ 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) [ 10.344118][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.344121][ T199] _printk (kernel/printk/printk.c:2504) [ 10.344125][ T199] ? snapshot_read.cold (user.c:?) [ 10.344128][ 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) [ 10.344131][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.344135][ 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) [ 10.344138][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.344141][ T199] ? exit_notify (kernel/exit.c:780) [ 10.344143][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.344145][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.344149][ T199] do_group_exit (kernel/exit.c:1151) [ 10.344152][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.344154][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.344157][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.344160][ T199] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.344163][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.344166][ T199] RIP: 0033:0x479678 [ 10.344168][ T199] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.344169][ T199] RSP: 002b:00007ffebfd6f1c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.344172][ T199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.344174][ T199] RDX: 0000000014eb1708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.344174][ T199] RBP: 00007ffebfd6f220 R08: 0000000000000000 R09: 0000000014eb23e0 [ 10.344175][ T199] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffebfd6f358 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print