====================================== | [ 10.190437][ T207] softirqs last disabled at (40821): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.190439][ T207] Preemption disabled at: | [ 10.190440][ T207] 0x0 | [ 10.190451][ T207] Tainted: [W]=WARN [ 10.190452][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.190453][ T207] Call Trace: [ 10.190455][ T207] [ 10.190456][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.190463][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 10.190467][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.190471][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.190476][ T207] __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)) [ 10.190478][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.190484][ T207] ? 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) [ 10.190487][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.190490][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 10.190494][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.190495][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.190500][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.190505][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.190512][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.190515][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.190517][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.190521][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.190525][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.190526][ T207] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.190529][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.190531][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.190535][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.190539][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.190540][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.190545][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.190548][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.190550][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.190552][ T207] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.190555][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.190556][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.190560][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 10.190563][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.190566][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.190570][ T207] _printk (kernel/printk/printk.c:2504) [ 10.190573][ T207] ? snapshot_read.cold (user.c:?) [ 10.190576][ T207] ? 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) [ 10.190579][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.190582][ T207] ? 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) [ 10.190584][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.190588][ T207] ? exit_notify (kernel/exit.c:780) [ 10.190590][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.190592][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.190596][ T207] do_group_exit (kernel/exit.c:1151) [ 10.190600][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.190602][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.190604][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.190607][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.190610][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.190613][ T207] RIP: 0033:0x7ff05cec61b8 [ 10.190615][ T207] Code: Unable to access opcode bytes at 0x7ff05cec618e. Code starting with the faulting instruction =========================================== [ 10.190616][ T207] RSP: 002b:00007fff84e6c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.190619][ T207] RAX: ffffffffffffffda RBX: 00007ff05cff6f88 RCX: 00007ff05cec61b8 [ 10.190620][ T207] RDX: 00007ff05cc10fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.190621][ T207] RBP: 00007fff84e6c1c0 R08: 0000000000000000 R09: 0000000000000000 [ 10.190622][ T207] R10: 00007fff84e6bf80 R11: 0000000000000246 R12: 0000000000000001 [ 10.190622][ T207] R13: 0000000000000000 R14: 00007ff05cff5680 R15: 00007ff05cff6fa0 | [ 14.397172][ T297] softirqs last disabled at (38378): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 14.397175][ T297] Preemption disabled at: | [ 14.397176][ T297] 0x0 | [ 14.397186][ T297] Tainted: [W]=WARN [ 14.397186][ T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.397188][ T297] Call Trace: [ 14.397190][ T297] [ 14.397191][ T297] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.397198][ T297] __might_resched.cold (kernel/sched/core.c:9234) [ 14.397202][ T297] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.397206][ T297] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.397211][ T297] __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)) [ 14.397213][ T297] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.397219][ T297] ? 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) [ 14.397221][ T297] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.397225][ T297] put_chars (drivers/char/virtio_console.c:1176) [ 14.397228][ T297] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.397230][ T297] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.397235][ T297] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.397240][ T297] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.397247][ T297] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.397250][ T297] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.397252][ T297] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.397256][ T297] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.397260][ T297] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.397262][ T297] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.397265][ T297] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.397269][ T297] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.397273][ T297] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.397277][ T297] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.397279][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.397284][ T297] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.397286][ T297] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.397288][ T297] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.397290][ T297] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.397294][ T297] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.397295][ T297] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.397298][ T297] vprintk_emit (kernel/printk/printk.c:2479) [ 14.397302][ T297] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.397305][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.397309][ T297] _printk (kernel/printk/printk.c:2504) [ 14.397312][ T297] ? snapshot_read.cold (user.c:?) [ 14.397315][ T297] ? 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) [ 14.397318][ T297] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.397321][ T297] ? 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) [ 14.397324][ T297] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.397328][ T297] ? exit_notify (kernel/exit.c:780) [ 14.397329][ T297] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.397332][ T297] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.397336][ T297] do_group_exit (kernel/exit.c:1151) [ 14.397339][ T297] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.397341][ T297] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.397343][ T297] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.397347][ T297] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.397350][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.397352][ T297] RIP: 0033:0x7f89f9ea71b8 [ 14.397355][ T297] Code: Unable to access opcode bytes at 0x7f89f9ea718e. Code starting with the faulting instruction =========================================== [ 14.397356][ T297] RSP: 002b:00007ffeba3a71f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.397358][ T297] RAX: ffffffffffffffda RBX: 00007f89f9fd7f88 RCX: 00007f89f9ea71b8 [ 14.397359][ T297] RDX: 00007f89f9c387c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.397360][ T297] RBP: 00007ffeba3a7250 R08: 0000000000000000 R09: 0000000000001010 [ 14.397361][ T297] R10: 00007ffeba3a7070 R11: 0000000000000246 R12: 0000000000000002 Finger prints: sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print