====================================== | [ 12.104291][ T82] softirqs last disabled at (371800): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.104294][ T82] Preemption disabled at: | [ 12.104294][ T82] 0x0 | [ 12.104304][ T82] Tainted: [W]=WARN [ 12.104305][ T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.104306][ T82] Call Trace: [ 12.104308][ T82] [ 12.104309][ T82] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.104315][ T82] __might_resched.cold (kernel/sched/core.c:9234) [ 12.104319][ T82] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.104323][ T82] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.104328][ T82] __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)) [ 12.104330][ T82] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.104337][ T82] ? 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) [ 12.104339][ T82] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.104343][ T82] put_chars (drivers/char/virtio_console.c:1176) [ 12.104346][ T82] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.104348][ T82] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.104352][ T82] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.104354][ T82] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.104358][ T82] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.104362][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.104363][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.104370][ T82] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.104373][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.104377][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.104380][ T82] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.104384][ T82] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.104388][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.104390][ T82] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.104394][ T82] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.104398][ T82] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.104400][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.104405][ T82] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.104407][ T82] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.104409][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.104411][ T82] ? 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)) [ 12.104415][ T82] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.104416][ T82] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.104420][ T82] vprintk_emit (kernel/printk/printk.c:2479) [ 12.104423][ T82] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.104427][ T82] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.104430][ T82] _printk (kernel/printk/printk.c:2504) [ 12.104434][ T82] ? snapshot_read.cold (user.c:?) [ 12.104436][ T82] ? 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) [ 12.104439][ T82] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.104442][ T82] ? 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) [ 12.104445][ T82] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.104448][ T82] ? exit_notify (kernel/exit.c:780) [ 12.104450][ T82] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.104452][ T82] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.104456][ T82] do_group_exit (kernel/exit.c:1151) [ 12.104459][ T82] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.104460][ T82] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.104463][ T82] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.104466][ T82] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.104469][ T82] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.104471][ T82] RIP: 0033:0x7fdbae5291b8 [ 12.104473][ T82] Code: Unable to access opcode bytes at 0x7fdbae52918e. Code starting with the faulting instruction =========================================== [ 12.104475][ T82] RSP: 002b:00007fff930e3138 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.104477][ T82] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdbae5291b8 [ 12.104479][ T82] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.104480][ T82] RBP: 00007fff930e32c0 R08: 0000563b077c9f48 R09: 0000000000000000 [ 12.104481][ T82] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print