====================================== | [ 10.245839][ T199] softirqs last disabled at (41746): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.245842][ T199] Preemption disabled at: | [ 10.245842][ T199] 0x0 | [ 10.245853][ T199] Tainted: [W]=WARN [ 10.245854][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.245856][ T199] Call Trace: [ 10.245857][ T199] [ 10.245859][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.245865][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 10.245870][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.245874][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.245878][ T199] __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)) [ 10.245880][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.245887][ T199] ? 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) [ 10.245890][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.245894][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 10.245896][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.245898][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.245902][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.245908][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.245916][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.245919][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.245921][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.245925][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.245929][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.245931][ T199] ? 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)) [ 10.245935][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.245937][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.245941][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.245945][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.245947][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.245953][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.245956][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.245958][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.245960][ T199] ? 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) [ 10.245964][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.245966][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.245969][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 10.245972][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.245976][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.245979][ T199] _printk (kernel/printk/printk.c:2504) [ 10.245983][ T199] ? snapshot_read.cold (user.c:?) [ 10.245986][ T199] ? 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) [ 10.245989][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.245993][ T199] ? 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) [ 10.245996][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.246000][ T199] ? exit_notify (kernel/exit.c:780) [ 10.246001][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.246005][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246008][ T199] do_group_exit (kernel/exit.c:1151) [ 10.246011][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.246013][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.246016][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.246020][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.246023][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.246025][ T199] RIP: 0033:0x7fe0afe581b8 [ 10.246028][ T199] Code: Unable to access opcode bytes at 0x7fe0afe5818e. Code starting with the faulting instruction =========================================== [ 10.246029][ T199] RSP: 002b:00007fff8b6c6a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.246031][ T199] RAX: ffffffffffffffda RBX: 00007fe0aff88f88 RCX: 00007fe0afe581b8 [ 10.246033][ T199] RDX: 00007fe0afba2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.246034][ T199] RBP: 00007fff8b6c6ae0 R08: 0000000000000000 R09: 0000000000008010 [ 10.246035][ T199] R10: 00007fff8b6c68a0 R11: 0000000000000246 R12: 0000000000000001 [ 10.246035][ T199] R13: 0000000000000000 R14: 00007fe0aff87680 R15: 00007fe0aff88fa0 | [ 14.473398][ T373] softirqs last disabled at (22953): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.473401][ T373] Preemption disabled at: | [ 14.473401][ T373] 0x0 | [ 14.473412][ T373] Tainted: [W]=WARN [ 14.473413][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.473415][ T373] Call Trace: [ 14.473416][ T373] [ 14.473418][ T373] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.473424][ T373] __might_resched.cold (kernel/sched/core.c:9234) [ 14.473429][ T373] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.473433][ T373] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.473437][ T373] __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)) [ 14.473439][ T373] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.473447][ T373] ? 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) [ 14.473450][ T373] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.473453][ T373] put_chars (drivers/char/virtio_console.c:1176) [ 14.473456][ T373] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.473457][ T373] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.473461][ T373] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.473466][ T373] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.473474][ T373] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.473477][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473479][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.473483][ T373] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.473487][ T373] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.473489][ T373] ? 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)) [ 14.473492][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473494][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.473498][ T373] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.473502][ T373] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.473504][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.473509][ T373] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.473512][ T373] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.473514][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473516][ T373] ? 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) [ 14.473520][ T373] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.473522][ T373] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.473525][ T373] vprintk_emit (kernel/printk/printk.c:2479) [ 14.473528][ T373] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.473531][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.473534][ T373] _printk (kernel/printk/printk.c:2504) [ 14.473538][ T373] ? snapshot_read.cold (user.c:?) [ 14.473541][ T373] ? 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) [ 14.473544][ T373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.473548][ T373] ? 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) [ 14.473550][ T373] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.473554][ T373] ? exit_notify (kernel/exit.c:780) [ 14.473555][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.473558][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473562][ T373] do_group_exit (kernel/exit.c:1151) [ 14.473565][ T373] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.473567][ T373] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.473570][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.473574][ T373] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.473577][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.473579][ T373] RIP: 0033:0x7f85ff4971b8 [ 14.473581][ T373] Code: Unable to access opcode bytes at 0x7f85ff49718e. Code starting with the faulting instruction =========================================== [ 14.473582][ T373] RSP: 002b:00007ffd1d23a528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.473584][ T373] RAX: ffffffffffffffda RBX: 00007f85ff5c7f88 RCX: 00007f85ff4971b8 [ 14.473586][ T373] RDX: 00007f85ff1e1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.473587][ T373] RBP: 00007ffd1d23a580 R08: 0000000000000000 R09: 0000000000000050 [ 14.473587][ T373] R10: 00007ffd1d23a340 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print