====================================== | [ 11.120652][ T208] softirqs last disabled at (20018): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.120655][ T208] Preemption disabled at: | [ 11.120656][ T208] 0x0 | [ 11.120666][ T208] Tainted: [W]=WARN [ 11.120667][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.120669][ T208] Call Trace: [ 11.120671][ T208] [ 11.120672][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.120685][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 11.120690][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.120694][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.120699][ T208] __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)) [ 11.120700][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.120707][ T208] ? 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) [ 11.120710][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.120715][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 11.120717][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.120718][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.120722][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.120727][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.120735][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.120737][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.120739][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.120743][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.120747][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.120749][ T208] ? 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)) [ 11.120752][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.120754][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.120758][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.120762][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.120764][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.120769][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.120772][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.120774][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.120775][ T208] ? 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) [ 11.120779][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.120781][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.120783][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 11.120786][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.120789][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.120793][ T208] _printk (kernel/printk/printk.c:2504) [ 11.120797][ T208] ? snapshot_read.cold (user.c:?) [ 11.120799][ T208] ? 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) [ 11.120802][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.120806][ T208] ? 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) [ 11.120808][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.120812][ T208] ? exit_notify (kernel/exit.c:780) [ 11.120813][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.120816][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.120819][ T208] do_group_exit (kernel/exit.c:1151) [ 11.120822][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.120824][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.120827][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.120831][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.120834][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.120836][ T208] RIP: 0033:0x7f38e88ca1b8 [ 11.120840][ T208] Code: Unable to access opcode bytes at 0x7f38e88ca18e. Code starting with the faulting instruction =========================================== [ 11.120841][ T208] RSP: 002b:00007ffe24ecd488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.120843][ T208] RAX: ffffffffffffffda RBX: 00007f38e89faf88 RCX: 00007f38e88ca1b8 [ 11.120844][ T208] RDX: 00007f38e8614fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.120845][ T208] RBP: 00007ffe24ecd4e0 R08: 0000000000000000 R09: 0000000000000050 [ 11.120846][ T208] R10: 00007ffe24ecd2a0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print