====================================== | [ 15.827832][ T199] softirqs last disabled at (3677948): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 15.827836][ T199] Preemption disabled at: | [ 15.827837][ T199] 0x0 | [ 15.827847][ T199] Tainted: [W]=WARN [ 15.827848][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.827850][ T199] Call Trace: [ 15.827852][ T199] [ 15.827853][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.827859][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 15.827863][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.827866][ 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) [ 15.827872][ 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)) [ 15.827874][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.827880][ 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) [ 15.827883][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.827886][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 15.827889][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.827891][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.827895][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.827900][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.827907][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.827909][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.827911][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.827916][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.827919][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.827920][ 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)) [ 15.827923][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.827925][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.827929][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.827933][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.827934][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.827940][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.827942][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.827943][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.827945][ T199] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.827949][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.827951][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.827954][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 15.827957][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.827961][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.827964][ T199] _printk (kernel/printk/printk.c:2504) [ 15.827968][ T199] ? snapshot_read.cold (user.c:?) [ 15.827971][ 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) [ 15.827974][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.827978][ 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) [ 15.827981][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.827984][ T199] ? exit_notify (kernel/exit.c:780) [ 15.827986][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.827989][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.827993][ T199] do_group_exit (kernel/exit.c:1151) [ 15.827996][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.827998][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.828001][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.828004][ T199] ? irq_exit_rcu (kernel/softirq.c:786) [ 15.828007][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.828010][ T199] RIP: 0033:0x479678 [ 15.828012][ T199] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 15.828013][ T199] RSP: 002b:00007ffc94487dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.828016][ T199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 15.828017][ T199] RDX: 0000000014b44708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 15.828018][ T199] RBP: 00007ffc94487e20 R08: 0000000000000000 R09: 0000000014b453e0 [ 15.828019][ T199] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc94487f58 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print