====================================== | [ 10.157666][ T213] softirqs last disabled at (20647): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.157669][ T213] Preemption disabled at: | [ 10.157669][ T213] 0x0 | [ 10.157680][ T213] Tainted: [W]=WARN [ 10.157680][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.157682][ T213] Call Trace: [ 10.157684][ T213] [ 10.157685][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.157692][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 10.157696][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.157701][ T213] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.157705][ T213] __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)) [ 10.157707][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.157714][ T213] ? 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) [ 10.157717][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.157720][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 10.157723][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.157724][ T213] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.157727][ T213] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.157733][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.157741][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.157743][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157745][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.157749][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.157753][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.157755][ T213] ? 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)) [ 10.157758][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157760][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.157764][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.157768][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.157770][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.157775][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.157778][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.157780][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157782][ T213] ? 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) [ 10.157785][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.157787][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.157790][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 10.157793][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.157796][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.157799][ T213] _printk (kernel/printk/printk.c:2504) [ 10.157803][ T213] ? snapshot_read.cold (user.c:?) [ 10.157806][ T213] ? 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) [ 10.157809][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.157813][ T213] ? 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) [ 10.157815][ T213] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.157819][ T213] ? exit_notify (kernel/exit.c:780) [ 10.157820][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.157823][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157827][ T213] do_group_exit (kernel/exit.c:1151) [ 10.157829][ T213] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.157831][ T213] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.157834][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.157838][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.157841][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.157843][ T213] RIP: 0033:0x7f1b624c81b8 [ 10.157845][ T213] Code: Unable to access opcode bytes at 0x7f1b624c818e. Code starting with the faulting instruction =========================================== [ 10.157846][ T213] RSP: 002b:00007ffe79eff5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.157849][ T213] RAX: ffffffffffffffda RBX: 00007f1b625f8f88 RCX: 00007f1b624c81b8 [ 10.157850][ T213] RDX: 00007f1b62212fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.157851][ T213] RBP: 00007ffe79eff640 R08: 0000000000000000 R09: 0000000000000050 [ 10.157852][ T213] R10: 00007ffe79eff400 R11: 0000000000000246 R12: 0000000000000001 [ 10.157853][ T213] R13: 0000000000000000 R14: 00007f1b625f7680 R15: 00007f1b625f8fa0 | [ 11.619834][ T260] softirqs last disabled at (29730): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.619836][ T260] Preemption disabled at: | [ 11.619837][ T260] 0x0 | [ 11.619847][ T260] Tainted: [W]=WARN [ 11.619848][ T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.619850][ T260] Call Trace: [ 11.619852][ T260] [ 11.619854][ T260] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.619860][ T260] __might_resched.cold (kernel/sched/core.c:9234) [ 11.619864][ T260] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.619869][ T260] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.619874][ T260] __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)) [ 11.619876][ T260] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.619882][ T260] ? 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) [ 11.619885][ T260] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.619889][ T260] put_chars (drivers/char/virtio_console.c:1176) [ 11.619892][ T260] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.619893][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.619897][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.619902][ T260] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.619910][ T260] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.619912][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.619914][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.619918][ T260] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.619922][ T260] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.619924][ T260] ? 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)) [ 11.619927][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.619929][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.619933][ T260] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.619937][ T260] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.619939][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.619944][ T260] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.619947][ T260] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.619949][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.619951][ T260] ? 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) [ 11.619954][ T260] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.619956][ T260] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.619959][ T260] vprintk_emit (kernel/printk/printk.c:2479) [ 11.619962][ T260] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.619965][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.619968][ T260] _printk (kernel/printk/printk.c:2504) [ 11.619972][ T260] ? snapshot_read.cold (user.c:?) [ 11.619975][ T260] ? 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) [ 11.619977][ T260] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.619981][ T260] ? 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) [ 11.619984][ T260] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.619987][ T260] ? exit_notify (kernel/exit.c:780) [ 11.619989][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.619992][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.619995][ T260] do_group_exit (kernel/exit.c:1151) [ 11.619998][ T260] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.620000][ T260] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.620002][ T260] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.620006][ T260] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.620009][ T260] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.620011][ T260] RIP: 0033:0x7fcd314881b8 [ 11.620014][ T260] Code: Unable to access opcode bytes at 0x7fcd3148818e. Code starting with the faulting instruction =========================================== [ 11.620015][ T260] RSP: 002b:00007ffee6716fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.620017][ T260] RAX: ffffffffffffffda RBX: 00007fcd315b8f88 RCX: 00007fcd314881b8 [ 11.620018][ T260] RDX: 00007fcd311d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.620020][ T260] RBP: 00007ffee6717030 R08: 0000000000000000 R09: 0000000000000000 [ 11.620020][ T260] R10: 00007ffee6716df0 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