====================================== | [ 18.590458][ T438] softirqs last disabled at (16494): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 18.590461][ T438] Preemption disabled at: | [ 18.590462][ T438] 0x0 | [ 18.590472][ T438] Tainted: [W]=WARN [ 18.590472][ T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.590474][ T438] Call Trace: [ 18.590475][ T438] [ 18.590477][ T438] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.590483][ T438] __might_resched.cold (kernel/sched/core.c:9234) [ 18.590488][ T438] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.590491][ T438] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.590496][ T438] __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)) [ 18.590499][ T438] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.590505][ T438] ? 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) [ 18.590507][ T438] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.590511][ T438] put_chars (drivers/char/virtio_console.c:1176) [ 18.590514][ T438] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.590516][ T438] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 18.590520][ T438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.590523][ T438] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.590526][ T438] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.590530][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.590532][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.590536][ T438] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.590539][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.590543][ T438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.590546][ T438] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.590550][ T438] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.590554][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.590556][ T438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.590560][ T438] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.590564][ T438] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.590566][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.590571][ T438] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.590573][ T438] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.590575][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.590577][ T438] ? 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)) [ 18.590581][ T438] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.590582][ T438] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.590586][ T438] vprintk_emit (kernel/printk/printk.c:2479) [ 18.590589][ T438] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.590593][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.590596][ T438] _printk (kernel/printk/printk.c:2504) [ 18.590600][ T438] ? snapshot_read.cold (user.c:?) [ 18.590602][ T438] ? 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) [ 18.590605][ T438] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.590609][ T438] ? 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) [ 18.590611][ T438] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.590615][ T438] ? exit_notify (kernel/exit.c:780) [ 18.590616][ T438] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.590619][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.590622][ T438] do_group_exit (kernel/exit.c:1151) [ 18.590625][ T438] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.590627][ T438] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.590629][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.590632][ T438] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.590639][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.590641][ T438] RIP: 0033:0x7f9b39fbd1b8 [ 18.590643][ T438] Code: Unable to access opcode bytes at 0x7f9b39fbd18e. Code starting with the faulting instruction =========================================== [ 18.590644][ T438] RSP: 002b:00007fff2a5ad158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.590646][ T438] RAX: ffffffffffffffda RBX: 00007f9b3a0edf88 RCX: 00007f9b39fbd1b8 [ 18.590648][ T438] RDX: 00007f9b39d07fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 18.590648][ T438] RBP: 00007fff2a5ad1b0 R08: 0000000000000000 R09: 0000000000000050 [ 18.590649][ T438] R10: 00007fff2a5acf70 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print