====================================== | [ 7.116655][ T195] softirqs last disabled at (0): 0x0 | [ 7.116656][ T195] Preemption disabled at: | [ 7.116657][ T195] 0x0 | [ 7.116665][ T195] Tainted: [W]=WARN [ 7.116666][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.116667][ T195] Call Trace: [ 7.116669][ T195] [ 7.116670][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 7.116676][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 7.116679][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 7.116682][ T195] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 7.116686][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116690][ T195] __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)) [ 7.116692][ T195] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.116695][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.116700][ T195] ? 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) [ 7.116701][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.116703][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 7.116706][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 7.116708][ T195] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 7.116711][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 7.116716][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 7.116717][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116719][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.116721][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 7.116723][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 7.116725][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116726][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116727][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116729][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.116730][ T195] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 7.116732][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 7.116734][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 7.116736][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 7.116738][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.116739][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 7.116740][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116742][ T195] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 7.116743][ T195] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 7.116744][ T195] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 7.116746][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 7.116747][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 7.116749][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 7.116751][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 7.116753][ T195] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 7.116755][ T195] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 7.116758][ T195] _printk (kernel/printk/printk.c:2504) [ 7.116761][ T195] ? snapshot_read.cold (user.c:?) [ 7.116762][ T195] ? 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) [ 7.116764][ T195] ? 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) [ 7.116765][ T195] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.116767][ T195] ? 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) [ 7.116769][ T195] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 7.116772][ T195] ? exit_notify (kernel/exit.c:780) [ 7.116774][ T195] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 7.116776][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.116778][ T195] do_group_exit (kernel/exit.c:1151) [ 7.116780][ T195] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 7.116782][ T195] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 7.116783][ T195] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 7.116787][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 7.116789][ T195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.116791][ T195] RIP: 0033:0x7f77da5bc1b8 [ 7.116793][ T195] Code: Unable to access opcode bytes at 0x7f77da5bc18e. Code starting with the faulting instruction =========================================== [ 7.116794][ T195] RSP: 002b:00007fffb777da28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 7.116798][ T195] RAX: ffffffffffffffda RBX: 00007f77da6ecf88 RCX: 00007f77da5bc1b8 [ 7.116799][ T195] RDX: 00007f77da306fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 7.116800][ T195] RBP: 00007fffb777da80 R08: 0000000000000000 R09: 0000000000000000 [ 7.116801][ T195] R10: 00007fffb777d840 R11: 0000000000000246 R12: 0000000000000001 [ 7.116802][ T195] R13: 0000000000000000 R14: 00007f77da6eb680 R15: 00007f77da6ecfa0 | [ 21.275850][ T700] softirqs last disabled at (0): 0x0 | [ 21.275851][ T700] Preemption disabled at: | [ 21.275852][ T700] 0x0 | [ 21.275860][ T700] Tainted: [W]=WARN [ 21.275861][ T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.275863][ T700] Call Trace: [ 21.275864][ T700] [ 21.275865][ T700] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.275870][ T700] __might_resched.cold (kernel/sched/core.c:9234) [ 21.275874][ T700] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.275878][ T700] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 21.275881][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275885][ T700] __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)) [ 21.275887][ T700] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.275890][ T700] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.275895][ T700] ? 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) [ 21.275896][ T700] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.275898][ T700] put_chars (drivers/char/virtio_console.c:1176) [ 21.275901][ T700] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.275903][ T700] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.275906][ T700] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.275910][ T700] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.275912][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275914][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.275915][ T700] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.275918][ T700] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.275920][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275921][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275922][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275924][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.275925][ T700] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.275927][ T700] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.275929][ T700] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.275931][ T700] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.275933][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.275934][ T700] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.275936][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275937][ T700] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.275938][ T700] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.275939][ T700] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 21.275941][ T700] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.275943][ T700] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.275945][ T700] vprintk_emit (kernel/printk/printk.c:2479) [ 21.275947][ T700] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.275949][ T700] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 21.275950][ T700] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 21.275953][ T700] _printk (kernel/printk/printk.c:2504) [ 21.275956][ T700] ? snapshot_read.cold (user.c:?) [ 21.275958][ T700] ? 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) [ 21.275959][ T700] ? 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) [ 21.275961][ T700] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.275963][ T700] ? 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) [ 21.275964][ T700] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.275967][ T700] ? exit_notify (kernel/exit.c:780) [ 21.275969][ T700] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 21.275972][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.275974][ T700] do_group_exit (kernel/exit.c:1151) [ 21.275976][ T700] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.275978][ T700] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.275979][ T700] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.275983][ T700] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.275985][ T700] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.275987][ T700] RIP: 0033:0x7ff6ed9ad1b8 [ 21.275989][ T700] Code: Unable to access opcode bytes at 0x7ff6ed9ad18e. Code starting with the faulting instruction =========================================== [ 21.275990][ T700] RSP: 002b:00007fffc3b2e758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.275993][ T700] RAX: ffffffffffffffda RBX: 00007ff6edaddf88 RCX: 00007ff6ed9ad1b8 [ 21.275995][ T700] RDX: 00007ff6ed8eaa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 21.275995][ T700] RBP: 00007fffc3b2e7b0 R08: 0000000000000000 R09: 0000000000000000 [ 21.275996][ T700] R10: 00007fffc3b2e5f0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record