====================================== | [ 11.190317][ T247] softirqs last disabled at (38802): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.190320][ T247] Preemption disabled at: | [ 11.190320][ T247] 0x0 | [ 11.190330][ T247] Tainted: [W]=WARN [ 11.190332][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.190333][ T247] Call Trace: [ 11.190335][ T247] [ 11.190337][ T247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.190343][ T247] __might_resched.cold (kernel/sched/core.c:9234) [ 11.190347][ T247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.190352][ T247] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.190356][ T247] __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)) [ 11.190359][ T247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.190365][ T247] ? 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) [ 11.190367][ T247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.190370][ T247] put_chars (drivers/char/virtio_console.c:1176) [ 11.190373][ T247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.190375][ T247] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.190380][ T247] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.190385][ T247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.190391][ T247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.190393][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.190396][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.190400][ T247] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.190403][ T247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.190405][ T247] ? 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)) [ 11.190408][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.190411][ T247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.190414][ T247] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.190418][ T247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.190420][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.190425][ T247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.190428][ T247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.190430][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.190432][ T247] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.190436][ T247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.190437][ T247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.190441][ T247] vprintk_emit (kernel/printk/printk.c:2479) [ 11.190444][ T247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.190448][ T247] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.190451][ T247] _printk (kernel/printk/printk.c:2504) [ 11.190455][ T247] ? snapshot_read.cold (user.c:?) [ 11.190458][ T247] ? 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) [ 11.190460][ T247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.190464][ T247] ? 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) [ 11.190466][ T247] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.190470][ T247] ? exit_notify (kernel/exit.c:780) [ 11.190471][ T247] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.190474][ T247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.190478][ T247] do_group_exit (kernel/exit.c:1151) [ 11.190481][ T247] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.190483][ T247] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.190485][ T247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.190489][ T247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.190492][ T247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.190494][ T247] RIP: 0033:0x7f97276691b8 [ 11.190496][ T247] Code: Unable to access opcode bytes at 0x7f972766918e. Code starting with the faulting instruction =========================================== [ 11.190498][ T247] RSP: 002b:00007ffe900f9918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.190500][ T247] RAX: ffffffffffffffda RBX: 00007f9727799f88 RCX: 00007f97276691b8 [ 11.190501][ T247] RDX: 00007f97273b3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.190502][ T247] RBP: 00007ffe900f9970 R08: 0000000000000000 R09: 0000000000000000 [ 11.190503][ T247] R10: 00007ffe900f9730 R11: 0000000000000246 R12: 0000000000000001 [ 11.190504][ T247] R13: 0000000000000000 R14: 00007f9727798680 R15: 00007f9727799fa0 | [ 20.978372][ T517] softirqs last disabled at (7547071): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.978374][ T517] Preemption disabled at: | [ 20.978375][ T517] 0x0 | [ 20.978386][ T517] Tainted: [W]=WARN [ 20.978387][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.978389][ T517] Call Trace: [ 20.978391][ T517] [ 20.978393][ T517] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.978399][ T517] __might_resched.cold (kernel/sched/core.c:9234) [ 20.978404][ T517] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.978408][ T517] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.978413][ T517] __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)) [ 20.978415][ T517] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.978423][ T517] ? 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) [ 20.978425][ T517] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.978429][ T517] put_chars (drivers/char/virtio_console.c:1176) [ 20.978431][ T517] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 20.978434][ T517] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.978437][ T517] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.978442][ T517] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.978444][ T517] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.978449][ T517] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.978452][ T517] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.978454][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.978456][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.978461][ T517] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.978463][ T517] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.978467][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.978470][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.978475][ T517] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.978479][ T517] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.978481][ T517] ? 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)) [ 20.978485][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.978488][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.978492][ T517] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.978497][ T517] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.978499][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.978505][ T517] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.978508][ T517] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.978510][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.978513][ T517] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.978517][ T517] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.978519][ T517] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.978522][ T517] vprintk_emit (kernel/printk/printk.c:2479) [ 20.978527][ T517] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.978531][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.978535][ T517] _printk (kernel/printk/printk.c:2504) [ 20.978539][ T517] ? snapshot_read.cold (user.c:?) [ 20.978542][ T517] ? 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) [ 20.978545][ T517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.978549][ T517] ? 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) [ 20.978552][ T517] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.978556][ T517] ? exit_notify (kernel/exit.c:780) [ 20.978562][ T517] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 20.978564][ T517] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 20.978567][ T517] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.978571][ T517] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.978574][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.978577][ T517] RIP: 0033:0x7fe101cc8c49 [ 20.978579][ T517] Code: Unable to access opcode bytes at 0x7fe101cc8c1f. Code starting with the faulting instruction =========================================== [ 20.978581][ T517] RSP: 002b:00007fe101487e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 20.978583][ T517] RAX: ffffffffffffffda RBX: 00007fe1014886c0 RCX: 00007fe101cc8c49 [ 20.978585][ T517] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 20.978586][ T517] RBP: 00007fe101487f70 R08: 0000000000000001 R09: 00007fe1014886c0 [ 20.978587][ T517] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe100c88000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print