====================================== | [ 12.355299][ T83] softirqs last disabled at (470456): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.355302][ T83] Preemption disabled at: | [ 12.355302][ T83] 0x0 | [ 12.355313][ T83] Tainted: [W]=WARN [ 12.355314][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.355316][ T83] Call Trace: [ 12.355318][ T83] [ 12.355320][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.355326][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 12.355331][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.355335][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.355340][ T83] __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)) [ 12.355343][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.355350][ T83] ? 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) [ 12.355352][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.355356][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 12.355360][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.355362][ T83] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.355365][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.355369][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.355373][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.355377][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.355378][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.355383][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.355386][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.355390][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.355394][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.355398][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.355403][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.355405][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.355409][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.355413][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.355415][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.355421][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.355423][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.355425][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.355428][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 12.355431][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.355433][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.355437][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 12.355441][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.355445][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.355448][ T83] _printk (kernel/printk/printk.c:2504) [ 12.355452][ T83] ? snapshot_read.cold (user.c:?) [ 12.355455][ T83] ? 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) [ 12.355457][ T83] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.355461][ T83] ? 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) [ 12.355464][ T83] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.355468][ T83] ? exit_notify (kernel/exit.c:780) [ 12.355469][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.355472][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.355476][ T83] do_group_exit (kernel/exit.c:1151) [ 12.355479][ T83] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.355481][ T83] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.355483][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.355487][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.355490][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.355493][ T83] RIP: 0033:0x7f40373b91b8 [ 12.355495][ T83] Code: Unable to access opcode bytes at 0x7f40373b918e. Code starting with the faulting instruction =========================================== [ 12.355496][ T83] RSP: 002b:00007ffee9d9cc98 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.355499][ T83] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40373b91b8 [ 12.355500][ T83] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.355501][ T83] RBP: 00007ffee9d9ce20 R08: 000055c7d2b42f48 R09: 0000000000000000 [ 12.355502][ T83] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print