====================================== | [ 12.964376][ T251] softirqs last disabled at (0): 0x0 | [ 12.964378][ T251] Preemption disabled at: | [ 12.964379][ T251] 0x0 | [ 12.964387][ T251] Tainted: [W]=WARN [ 12.964388][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.964389][ T251] Call Trace: [ 12.964391][ T251] [ 12.964392][ T251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.964397][ T251] __might_resched.cold (kernel/sched/core.c:9234) [ 12.964401][ T251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.964405][ T251] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 12.964408][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964411][ T251] __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)) [ 12.964413][ T251] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.964416][ T251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.964421][ T251] ? 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) [ 12.964423][ T251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.964425][ T251] put_chars (drivers/char/virtio_console.c:1176) [ 12.964427][ T251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.964428][ T251] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 12.964431][ T251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.964436][ T251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.964438][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964439][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.964441][ T251] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.964444][ T251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.964446][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964447][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964448][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964449][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.964451][ T251] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 12.964452][ T251] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.964455][ T251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.964457][ T251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.964459][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.964461][ T251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.964462][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964463][ T251] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.964465][ T251] ? 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) [ 12.964466][ T251] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 12.964468][ T251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.964470][ T251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.964471][ T251] vprintk_emit (kernel/printk/printk.c:2479) [ 12.964473][ T251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.964474][ T251] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 12.964476][ T251] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 12.964478][ T251] _printk (kernel/printk/printk.c:2504) [ 12.964481][ T251] ? snapshot_read.cold (user.c:?) [ 12.964483][ T251] ? 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) [ 12.964485][ T251] ? 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) [ 12.964486][ T251] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.964488][ T251] ? 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) [ 12.964490][ T251] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.964493][ T251] ? exit_notify (kernel/exit.c:780) [ 12.964494][ T251] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 12.964497][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.964498][ T251] do_group_exit (kernel/exit.c:1151) [ 12.964500][ T251] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.964501][ T251] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.964504][ T251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.964507][ T251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.964509][ T251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.964511][ T251] RIP: 0033:0x7efd3cb561b8 [ 12.964512][ T251] Code: Unable to access opcode bytes at 0x7efd3cb5618e. Code starting with the faulting instruction =========================================== [ 12.964513][ T251] RSP: 002b:00007ffe4ab2b548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.964517][ T251] RAX: ffffffffffffffda RBX: 00007efd3cc86f88 RCX: 00007efd3cb561b8 [ 12.964518][ T251] RDX: 00007efd3c8a0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.964519][ T251] RBP: 00007ffe4ab2b5a0 R08: 0000000000000000 R09: 0000000000000050 [ 12.964520][ T251] R10: 00007ffe4ab2b360 R11: 0000000000000246 R12: 0000000000000001 [ 12.964520][ T251] R13: 0000000000000000 R14: 00007efd3cc85680 R15: 00007efd3cc86fa0 | [ 17.571852][ T287] softirqs last disabled at (0): 0x0 | [ 17.571854][ T287] Preemption disabled at: | [ 17.571854][ T287] 0x0 | [ 17.571863][ T287] Tainted: [W]=WARN [ 17.571864][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.571866][ T287] Call Trace: [ 17.571867][ T287] [ 17.571868][ T287] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.571874][ T287] __might_resched.cold (kernel/sched/core.c:9234) [ 17.571878][ T287] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.571881][ T287] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 17.571884][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571887][ T287] __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)) [ 17.571889][ T287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.571892][ T287] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.571897][ T287] ? 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) [ 17.571899][ T287] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.571902][ T287] put_chars (drivers/char/virtio_console.c:1176) [ 17.571903][ T287] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.571905][ T287] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 17.571908][ T287] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.571913][ T287] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.571914][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571915][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.571918][ T287] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.571921][ T287] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.571923][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571924][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571925][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571926][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.571927][ T287] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 17.571929][ T287] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.571931][ T287] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.571934][ T287] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.571936][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.571938][ T287] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.571939][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571940][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.571941][ T287] ? 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) [ 17.571943][ T287] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 17.571944][ T287] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.571946][ T287] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.571948][ T287] vprintk_emit (kernel/printk/printk.c:2479) [ 17.571950][ T287] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.571951][ T287] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.571953][ T287] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 17.571955][ T287] _printk (kernel/printk/printk.c:2504) [ 17.571958][ T287] ? snapshot_read.cold (user.c:?) [ 17.571960][ T287] ? 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) [ 17.571961][ T287] ? 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) [ 17.571963][ T287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.571965][ T287] ? 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) [ 17.571967][ T287] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.571970][ T287] ? exit_notify (kernel/exit.c:780) [ 17.571971][ T287] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 17.571973][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.571975][ T287] do_group_exit (kernel/exit.c:1151) [ 17.571976][ T287] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.571978][ T287] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.571980][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.571984][ T287] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.571986][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.571988][ T287] RIP: 0033:0x7fa2afc591b8 [ 17.571990][ T287] Code: Unable to access opcode bytes at 0x7fa2afc5918e. Code starting with the faulting instruction =========================================== [ 17.571991][ T287] RSP: 002b:00007ffedf201118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.571994][ T287] RAX: ffffffffffffffda RBX: 00007fa2afd89f88 RCX: 00007fa2afc591b8 [ 17.571995][ T287] RDX: 00007fa2af9a3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 17.571996][ T287] RBP: 00007ffedf201170 R08: 0000000000000000 R09: 0000000000000050 [ 17.571997][ T287] R10: 00007ffedf200f30 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record