====================================== | [ 8.575167][ T196] softirqs last disabled at (0): 0x0 | [ 8.575169][ T196] Preemption disabled at: | [ 8.575169][ T196] 0x0 | [ 8.575178][ T196] Tainted: [W]=WARN [ 8.575178][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.575180][ T196] Call Trace: [ 8.575182][ T196] [ 8.575183][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.575189][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 8.575193][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.575196][ T196] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 8.575200][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575203][ T196] __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)) [ 8.575205][ T196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.575208][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.575213][ T196] ? 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) [ 8.575215][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.575218][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 8.575219][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.575221][ T196] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 8.575224][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.575228][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.575230][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575231][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.575234][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.575237][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.575239][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575240][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575241][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575242][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.575243][ T196] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 8.575245][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.575247][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.575253][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.575255][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.575256][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.575258][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575259][ T196] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.575260][ T196] ? 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) [ 8.575262][ T196] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 8.575263][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.575265][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.575267][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 8.575268][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.575270][ T196] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 8.575272][ T196] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 8.575274][ T196] _printk (kernel/printk/printk.c:2504) [ 8.575277][ T196] ? snapshot_read.cold (user.c:?) [ 8.575278][ T196] ? 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) [ 8.575280][ T196] ? 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) [ 8.575282][ T196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.575284][ T196] ? 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) [ 8.575286][ T196] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.575289][ T196] ? exit_notify (kernel/exit.c:780) [ 8.575290][ T196] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 8.575292][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.575294][ T196] do_group_exit (kernel/exit.c:1151) [ 8.575295][ T196] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.575297][ T196] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.575299][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.575303][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.575305][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.575307][ T196] RIP: 0033:0x7f8d555a51b8 [ 8.575309][ T196] Code: Unable to access opcode bytes at 0x7f8d555a518e. Code starting with the faulting instruction =========================================== [ 8.575310][ T196] RSP: 002b:00007ffddc3282e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.575313][ T196] RAX: ffffffffffffffda RBX: 00007f8d556d5f88 RCX: 00007f8d555a51b8 [ 8.575314][ T196] RDX: 00007f8d552effc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.575315][ T196] RBP: 00007ffddc328340 R08: 0000000000000000 R09: 0000000000000050 [ 8.575316][ T196] R10: 00007ffddc328100 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record