====================================== | [ 9.781363][ T186] softirqs last disabled at (18588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.781365][ T186] Preemption disabled at: | [ 9.781366][ T186] 0x0 | [ 9.781376][ T186] Tainted: [W]=WARN [ 9.781377][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.781379][ T186] Call Trace: [ 9.781381][ T186] [ 9.781383][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.781389][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.781394][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.781399][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.781404][ T186] __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)) [ 9.781406][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.781412][ T186] ? 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) [ 9.781414][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.781418][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.781421][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.781423][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.781428][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.781433][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.781440][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.781443][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.781445][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.781448][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.781452][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.781453][ T186] ? 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)) [ 9.781456][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.781459][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.781462][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.781466][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.781468][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.781472][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.781475][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.781476][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.781478][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.781482][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.781483][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.781486][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.781490][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.781493][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.781496][ T186] _printk (kernel/printk/printk.c:2504) [ 9.781500][ T186] ? snapshot_read.cold (user.c:?) [ 9.781502][ T186] ? 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) [ 9.781505][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.781508][ T186] ? 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) [ 9.781511][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.781514][ T186] ? exit_notify (kernel/exit.c:780) [ 9.781516][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.781518][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.781522][ T186] do_group_exit (kernel/exit.c:1151) [ 9.781525][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.781528][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.781530][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.781533][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.781536][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.781538][ T186] RIP: 0033:0x7f03f65c71b8 [ 9.781540][ T186] Code: Unable to access opcode bytes at 0x7f03f65c718e. Code starting with the faulting instruction =========================================== [ 9.781541][ T186] RSP: 002b:00007ffe21897d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.781544][ T186] RAX: ffffffffffffffda RBX: 00007f03f66f7f88 RCX: 00007f03f65c71b8 [ 9.781545][ T186] RDX: 00007f03f6311fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.781546][ T186] RBP: 00007ffe21897d80 R08: 0000000000000000 R09: 0000000000000050 [ 9.781547][ T186] R10: 00007ffe21897b40 R11: 0000000000000246 R12: 0000000000000001 [ 9.781548][ T186] R13: 0000000000000000 R14: 00007f03f66f6680 R15: 00007f03f66f7fa0 | [ 78.028253][ T1679] softirqs last disabled at (20681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 78.028256][ T1679] Preemption disabled at: | [ 78.028257][ T1679] 0x0 | [ 78.028270][ T1679] Tainted: [W]=WARN [ 78.028271][ T1679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.028273][ T1679] Call Trace: [ 78.028276][ T1679] [ 78.028278][ T1679] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.028286][ T1679] __might_resched.cold (kernel/sched/core.c:9234) [ 78.028292][ T1679] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.028297][ T1679] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 78.028304][ T1679] __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)) [ 78.028308][ T1679] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.028317][ T1679] ? 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) [ 78.028321][ T1679] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.028326][ T1679] put_chars (drivers/char/virtio_console.c:1176) [ 78.028331][ T1679] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.028334][ T1679] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 78.028340][ T1679] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 78.028350][ T1679] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.028361][ T1679] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.028365][ T1679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.028369][ T1679] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.028375][ T1679] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.028381][ T1679] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.028384][ T1679] ? 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)) [ 78.028388][ T1679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.028392][ T1679] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.028402][ T1679] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.028409][ T1679] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.028411][ T1679] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.028420][ T1679] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.028424][ T1679] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.028427][ T1679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.028430][ T1679] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 78.028436][ T1679] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.028439][ T1679] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.028444][ T1679] vprintk_emit (kernel/printk/printk.c:2479) [ 78.028450][ T1679] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.028455][ T1679] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.028461][ T1679] _printk (kernel/printk/printk.c:2504) [ 78.028466][ T1679] ? snapshot_read.cold (user.c:?) [ 78.028471][ T1679] ? 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) [ 78.028475][ T1679] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.028481][ T1679] ? 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) [ 78.028485][ T1679] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 78.028490][ T1679] ? exit_notify (kernel/exit.c:780) [ 78.028493][ T1679] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.028497][ T1679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.028504][ T1679] do_group_exit (kernel/exit.c:1151) [ 78.028509][ T1679] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 78.028513][ T1679] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 78.028516][ T1679] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.028520][ T1679] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.028525][ T1679] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.028534][ T1679] RIP: 0033:0x7f710e9f71b8 [ 78.028537][ T1679] Code: Unable to access opcode bytes at 0x7f710e9f718e. Code starting with the faulting instruction =========================================== [ 78.028539][ T1679] RSP: 002b:00007fff2ca79af8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 78.028542][ T1679] RAX: ffffffffffffffda RBX: 00007f710eb27f88 RCX: 00007f710e9f71b8 [ 78.028544][ T1679] RDX: 00007f710e907dc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 78.028546][ T1679] RBP: 00007fff2ca79b50 R08: 0000000000000000 R09: 0000000000000120 [ 78.028547][ T1679] R10: 00007fff2ca79950 R11: 0000000000000246 R12: 0000000000000002 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