====================================== | [ 9.568469][ T193] softirqs last disabled at (14854): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.568472][ T193] Preemption disabled at: | [ 9.568472][ T193] 0x0 | [ 9.568484][ T193] Tainted: [W]=WARN [ 9.568484][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.568486][ T193] Call Trace: [ 9.568488][ T193] [ 9.568489][ T193] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.568496][ T193] __might_resched.cold (kernel/sched/core.c:9234) [ 9.568500][ T193] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.568504][ T193] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.568508][ T193] __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)) [ 9.568510][ T193] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.568516][ T193] ? 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) [ 9.568519][ T193] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.568523][ T193] put_chars (drivers/char/virtio_console.c:1176) [ 9.568525][ T193] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.568526][ T193] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.568530][ T193] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.568535][ T193] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.568543][ T193] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.568545][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568547][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.568551][ T193] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.568555][ T193] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.568557][ T193] ? 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)) [ 9.568560][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568562][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.568565][ T193] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.568569][ T193] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.568571][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.568576][ T193] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.568579][ T193] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.568581][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568583][ T193] ? 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) [ 9.568586][ T193] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.568588][ T193] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.568590][ T193] vprintk_emit (kernel/printk/printk.c:2479) [ 9.568593][ T193] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.568596][ T193] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.568600][ T193] _printk (kernel/printk/printk.c:2504) [ 9.568604][ T193] ? snapshot_read.cold (user.c:?) [ 9.568606][ T193] ? 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) [ 9.568609][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.568612][ T193] ? 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) [ 9.568615][ T193] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.568619][ T193] ? exit_notify (kernel/exit.c:780) [ 9.568620][ T193] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.568623][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568626][ T193] do_group_exit (kernel/exit.c:1151) [ 9.568629][ T193] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.568631][ T193] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.568633][ T193] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.568637][ T193] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.568640][ T193] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.568642][ T193] RIP: 0033:0x7f64d7bdc1b8 [ 9.568644][ T193] Code: Unable to access opcode bytes at 0x7f64d7bdc18e. Code starting with the faulting instruction =========================================== [ 9.568646][ T193] RSP: 002b:00007ffdcd836e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.568648][ T193] RAX: ffffffffffffffda RBX: 00007f64d7d0cf88 RCX: 00007f64d7bdc1b8 [ 9.568649][ T193] RDX: 00007f64d7926fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.568651][ T193] RBP: 00007ffdcd836ea0 R08: 0000000000000000 R09: 0000000000000050 [ 9.568652][ T193] R10: 00007ffdcd836c60 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print