====================================== | [ 22.672424][ T321] softirqs last disabled at (20942): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 22.672427][ T321] Preemption disabled at: | [ 22.672427][ T321] 0x0 | [ 22.672438][ T321] Tainted: [W]=WARN [ 22.672439][ T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.672441][ T321] Call Trace: [ 22.672442][ T321] [ 22.672444][ T321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.672451][ T321] __might_resched.cold (kernel/sched/core.c:9234) [ 22.672455][ T321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.672459][ T321] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.672464][ T321] __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)) [ 22.672466][ T321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.672472][ T321] ? 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) [ 22.672475][ T321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.672479][ T321] put_chars (drivers/char/virtio_console.c:1176) [ 22.672481][ T321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.672482][ T321] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.672486][ T321] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.672491][ T321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.672498][ T321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.672501][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.672503][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.672507][ T321] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.672511][ T321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.672513][ T321] ? 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)) [ 22.672516][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.672518][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.672522][ T321] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.672526][ T321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.672528][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.672533][ T321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.672540][ T321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.672542][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.672544][ T321] ? 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) [ 22.672547][ T321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.672549][ T321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.672552][ T321] vprintk_emit (kernel/printk/printk.c:2479) [ 22.672555][ T321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.672558][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.672562][ T321] _printk (kernel/printk/printk.c:2504) [ 22.672566][ T321] ? snapshot_read.cold (user.c:?) [ 22.672569][ T321] ? 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) [ 22.672571][ T321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.672575][ T321] ? 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) [ 22.672578][ T321] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 22.672581][ T321] ? exit_notify (kernel/exit.c:780) [ 22.672583][ T321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.672586][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.672589][ T321] do_group_exit (kernel/exit.c:1151) [ 22.672593][ T321] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 22.672595][ T321] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 22.672598][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.672602][ T321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.672605][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.672607][ T321] RIP: 0033:0x7fc5ec49d1b8 [ 22.672609][ T321] Code: Unable to access opcode bytes at 0x7fc5ec49d18e. Code starting with the faulting instruction =========================================== [ 22.672610][ T321] RSP: 002b:00007ffc6c751b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.672613][ T321] RAX: ffffffffffffffda RBX: 00007fc5ec5cdf88 RCX: 00007fc5ec49d1b8 [ 22.672614][ T321] RDX: 00007fc5ec1e7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 22.672615][ T321] RBP: 00007ffc6c751bb0 R08: 0000000000000000 R09: 0000000000000050 [ 22.672616][ T321] R10: 00007ffc6c751970 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print