====================================== | [ 14.044869][ T84] softirqs last disabled at (470602): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.044871][ T84] Preemption disabled at: | [ 14.044872][ T84] 0x0 | [ 14.044884][ T84] Tainted: [W]=WARN [ 14.044885][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.044888][ T84] Call Trace: [ 14.044890][ T84] [ 14.044891][ T84] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.044898][ T84] __might_resched.cold (kernel/sched/core.c:9234) [ 14.044903][ T84] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.044908][ T84] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.044913][ T84] __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)) [ 14.044916][ T84] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.044924][ T84] ? 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) [ 14.044926][ T84] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.044931][ T84] put_chars (drivers/char/virtio_console.c:1176) [ 14.044934][ T84] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.044936][ T84] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.044940][ T84] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.044943][ T84] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.044947][ T84] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.044951][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.044952][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.044957][ T84] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.044960][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.044963][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.044967][ T84] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.044971][ T84] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.044976][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.044978][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.044982][ T84] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.044986][ T84] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.044988][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.044993][ T84] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.044996][ T84] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.044997][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.045000][ T84] ? 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)) [ 14.045003][ T84] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.045005][ T84] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.045008][ T84] vprintk_emit (kernel/printk/printk.c:2479) [ 14.045012][ T84] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.045016][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.045019][ T84] _printk (kernel/printk/printk.c:2504) [ 14.045023][ T84] ? snapshot_read.cold (user.c:?) [ 14.045026][ T84] ? 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) [ 14.045028][ T84] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.045032][ T84] ? 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) [ 14.045035][ T84] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.045038][ T84] ? exit_notify (kernel/exit.c:780) [ 14.045040][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.045042][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.045047][ T84] do_group_exit (kernel/exit.c:1151) [ 14.045049][ T84] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.045051][ T84] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.045053][ T84] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.045057][ T84] ? irq_exit_rcu (kernel/softirq.c:786) [ 14.045060][ T84] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.045063][ T84] RIP: 0033:0x7efdaca581b8 [ 14.045065][ T84] Code: Unable to access opcode bytes at 0x7efdaca5818e. Code starting with the faulting instruction =========================================== [ 14.045066][ T84] RSP: 002b:00007ffd7578c1f8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.045069][ T84] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efdaca581b8 [ 14.045070][ T84] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.045071][ T84] RBP: 00007ffd7578c380 R08: 00005652c0408ab8 R09: 0000000000000000 [ 14.045072][ T84] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print