====================================== | [ 12.430327][ T92] softirqs last disabled at (365342): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.430329][ T92] Preemption disabled at: | [ 12.430330][ T92] 0x0 | [ 12.430340][ T92] Tainted: [W]=WARN [ 12.430341][ T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.430343][ T92] Call Trace: [ 12.430344][ T92] [ 12.430345][ T92] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.430352][ T92] __might_resched.cold (kernel/sched/core.c:9234) [ 12.430356][ T92] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.430360][ T92] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.430365][ T92] __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)) [ 12.430368][ T92] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.430375][ T92] ? 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) [ 12.430377][ T92] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.430381][ T92] put_chars (drivers/char/virtio_console.c:1176) [ 12.430384][ T92] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.430387][ T92] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.430390][ T92] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.430393][ T92] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.430397][ T92] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.430401][ T92] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.430403][ T92] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.430408][ T92] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.430411][ T92] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.430415][ T92] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.430419][ T92] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.430423][ T92] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.430427][ T92] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.430429][ T92] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.430433][ T92] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.430437][ T92] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.430439][ T92] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.430445][ T92] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.430448][ T92] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.430450][ T92] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.430452][ T92] ? 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)) [ 12.430456][ T92] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.430458][ T92] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.430461][ T92] vprintk_emit (kernel/printk/printk.c:2479) [ 12.430465][ T92] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.430469][ T92] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.430472][ T92] _printk (kernel/printk/printk.c:2504) [ 12.430476][ T92] ? snapshot_read.cold (user.c:?) [ 12.430479][ T92] ? 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) [ 12.430484][ T92] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.430488][ T92] ? 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) [ 12.430491][ T92] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.430494][ T92] ? exit_notify (kernel/exit.c:780) [ 12.430496][ T92] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.430498][ T92] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.430503][ T92] do_group_exit (kernel/exit.c:1151) [ 12.430505][ T92] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.430507][ T92] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.430509][ T92] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.430513][ T92] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.430516][ T92] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.430518][ T92] RIP: 0033:0x7f83c4c2d1b8 [ 12.430520][ T92] Code: Unable to access opcode bytes at 0x7f83c4c2d18e. Code starting with the faulting instruction =========================================== [ 12.430522][ T92] RSP: 002b:00007ffd901ca088 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.430524][ T92] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83c4c2d1b8 [ 12.430525][ T92] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.430526][ T92] RBP: 00007ffd901ca210 R08: 0000560491a44938 R09: 0000000000000000 [ 12.430527][ T92] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print