====================================== | [ 19.191968][ T517] softirqs last disabled at (0): 0x0 | [ 19.191970][ T517] Preemption disabled at: | [ 19.191970][ T517] 0x0 | [ 19.191979][ T517] Tainted: [W]=WARN [ 19.191980][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.191981][ T517] Call Trace: [ 19.191983][ T517] [ 19.191984][ T517] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.191989][ T517] __might_resched.cold (kernel/sched/core.c:9234) [ 19.191993][ T517] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.191997][ T517] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 19.191999][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.192003][ T517] __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)) [ 19.192006][ T517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.192009][ T517] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.192012][ T517] ? 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) [ 19.192014][ T517] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.192016][ T517] put_chars (drivers/char/virtio_console.c:1176) [ 19.192018][ T517] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 19.192019][ T517] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.192021][ T517] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 19.192024][ T517] ? kvm_clock_get_cycles (./arch/x86/include/asm/kvmclock.h:11 (discriminator 6) arch/x86/kernel/kvmclock.c:80 (discriminator 6) arch/x86/kernel/kvmclock.c:87 (discriminator 6)) [ 19.192027][ T517] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 19.192030][ T517] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.192034][ T517] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.192035][ T517] ? 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) [ 19.192037][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.192039][ T517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.192040][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.192042][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.192044][ T517] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.192047][ T517] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.192049][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.192051][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.192053][ T517] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 19.192054][ T517] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.192057][ T517] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.192059][ T517] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.192061][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.192062][ T517] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.192064][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.192066][ T517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 19.192067][ T517] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.192068][ T517] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 19.192071][ T517] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.192072][ T517] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.192074][ T517] vprintk_emit (kernel/printk/printk.c:2479) [ 19.192077][ T517] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.192079][ T517] _printk (kernel/printk/printk.c:2504) [ 19.192082][ T517] ? snapshot_read.cold (user.c:?) [ 19.192084][ T517] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.192087][ T517] ? 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) [ 19.192094][ T517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.192096][ T517] ? 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) [ 19.192098][ T517] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.192101][ T517] ? exit_notify (kernel/exit.c:780) [ 19.192104][ T517] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 19.192105][ T517] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 19.192107][ T517] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.192111][ T517] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.192113][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.192115][ T517] RIP: 0033:0x7f08248f5c49 [ 19.192117][ T517] Code: Unable to access opcode bytes at 0x7f08248f5c1f. Code starting with the faulting instruction =========================================== [ 19.192118][ T517] RSP: 002b:00007f08240b4e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 19.192121][ T517] RAX: ffffffffffffffda RBX: 00007f08240b56c0 RCX: 00007f08248f5c49 [ 19.192122][ T517] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 19.192123][ T517] RBP: 00007f08240b4f70 R08: 0000000000000001 R09: 00007f08240b56c0 [ 19.192124][ T517] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f08238b5000 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record