====================================== | [ 20.319236][ T331] softirqs last disabled at (24554): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 20.319239][ T331] Preemption disabled at: | [ 20.319240][ T331] 0x0 | [ 20.319250][ T331] Tainted: [W]=WARN [ 20.319251][ T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.319253][ T331] Call Trace: [ 20.319254][ T331] [ 20.319256][ T331] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.319262][ T331] __might_resched.cold (kernel/sched/core.c:9234) [ 20.319267][ T331] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.319271][ T331] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.319275][ T331] __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)) [ 20.319277][ T331] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.319284][ T331] ? 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) [ 20.319287][ T331] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.319291][ T331] put_chars (drivers/char/virtio_console.c:1176) [ 20.319293][ T331] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.319294][ T331] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.319298][ T331] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.319303][ T331] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.319311][ T331] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.319314][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.319316][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.319320][ T331] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.319324][ T331] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.319325][ T331] ? 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)) [ 20.319329][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.319330][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.319334][ T331] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.319338][ T331] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.319340][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.319345][ T331] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.319348][ T331] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.319350][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.319352][ T331] ? 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) [ 20.319355][ T331] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.319357][ T331] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.319360][ T331] vprintk_emit (kernel/printk/printk.c:2479) [ 20.319363][ T331] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.319366][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.319369][ T331] _printk (kernel/printk/printk.c:2504) [ 20.319373][ T331] ? snapshot_read.cold (user.c:?) [ 20.319376][ T331] ? 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) [ 20.319378][ T331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.319382][ T331] ? 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) [ 20.319385][ T331] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.319389][ T331] ? exit_notify (kernel/exit.c:780) [ 20.319390][ T331] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.319393][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.319396][ T331] do_group_exit (kernel/exit.c:1151) [ 20.319399][ T331] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 20.319401][ T331] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 20.319403][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.319407][ T331] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.319410][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.319413][ T331] RIP: 0033:0x7fd9587b71b8 [ 20.319415][ T331] Code: Unable to access opcode bytes at 0x7fd9587b718e. Code starting with the faulting instruction =========================================== [ 20.319416][ T331] RSP: 002b:00007ffc476569c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.319418][ T331] RAX: ffffffffffffffda RBX: 00007fd9588e7f88 RCX: 00007fd9587b71b8 [ 20.319420][ T331] RDX: 00007fd958501fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 20.319420][ T331] RBP: 00007ffc47656a20 R08: 0000000000000000 R09: 0000000000000050 [ 20.319421][ T331] R10: 00007ffc476567e0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print