====================================== | [ 9.981788][ T272] softirqs last disabled at (0): 0x0 | [ 9.981789][ T272] Preemption disabled at: | [ 9.981790][ T272] 0x0 | [ 9.981798][ T272] Tainted: [W]=WARN [ 9.981799][ T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.981801][ T272] Call Trace: [ 9.981802][ T272] [ 9.981803][ T272] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.981809][ T272] __might_resched.cold (kernel/sched/core.c:9234) [ 9.981813][ T272] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.981816][ T272] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 9.981819][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981822][ T272] __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)) [ 9.981825][ T272] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.981828][ T272] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.981832][ T272] ? 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) [ 9.981834][ T272] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.981837][ T272] put_chars (drivers/char/virtio_console.c:1176) [ 9.981838][ T272] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.981840][ T272] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 9.981843][ T272] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.981847][ T272] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.981849][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981850][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.981852][ T272] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.981855][ T272] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.981857][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981858][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981859][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981860][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.981862][ T272] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.981863][ T272] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.981866][ T272] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.981868][ T272] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.981870][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.981872][ T272] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.981873][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981874][ T272] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.981876][ T272] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.981877][ T272] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 9.981878][ T272] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.981880][ T272] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.981882][ T272] vprintk_emit (kernel/printk/printk.c:2479) [ 9.981883][ T272] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.981885][ T272] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 9.981887][ T272] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 9.981889][ T272] _printk (kernel/printk/printk.c:2504) [ 9.981892][ T272] ? snapshot_read.cold (user.c:?) [ 9.981893][ T272] ? 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) [ 9.981895][ T272] ? 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) [ 9.981897][ T272] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.981899][ T272] ? 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) [ 9.981901][ T272] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.981903][ T272] ? exit_notify (kernel/exit.c:780) [ 9.981905][ T272] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 9.981907][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.981909][ T272] do_group_exit (kernel/exit.c:1151) [ 9.981910][ T272] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.981912][ T272] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.981914][ T272] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.981918][ T272] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.981920][ T272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.981922][ T272] RIP: 0033:0x7efeab9c81b8 [ 9.981923][ T272] Code: Unable to access opcode bytes at 0x7efeab9c818e. Code starting with the faulting instruction =========================================== [ 9.981924][ T272] RSP: 002b:00007ffd63894718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.981928][ T272] RAX: ffffffffffffffda RBX: 00007efeabaf8f88 RCX: 00007efeab9c81b8 [ 9.981929][ T272] RDX: 00007efeab712fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.981930][ T272] RBP: 00007ffd63894770 R08: 0000000000000000 R09: 0000000000000000 [ 9.981931][ T272] R10: 00007ffd63894530 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record