ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=17757, c=17756, q=468) All QSes seen, last rcu_preempt kthread activity 10435 (4295009466-4294999031), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.0 R running task 28312 28787 6380 0x0000000c Call Trace: sched_show_task.cold+0x333/0x39a kernel/sched/core.c:5169 print_other_cpu_stall kernel/rcu/tree.c:1501 [inline] check_cpu_stall kernel/rcu/tree.c:1616 [inline] __rcu_pending kernel/rcu/tree.c:3390 [inline] rcu_pending kernel/rcu/tree.c:3452 [inline] rcu_check_callbacks.cold+0xd29/0xd99 kernel/rcu/tree.c:2792 update_process_times+0x29/0x60 kernel/time/timer.c:1590 tick_sched_handle+0x7d/0x150 kernel/time/tick-sched.c:165 tick_sched_timer+0x92/0x200 kernel/time/tick-sched.c:1223 __run_hrtimer kernel/time/hrtimer.c:1223 [inline] __hrtimer_run_queues+0x30b/0xc80 kernel/time/hrtimer.c:1287 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:deref_stack_reg+0x4d/0x1a0 arch/x86/kernel/unwind_orc.c:292 RSP: 0018:ffff8880aeb077b0 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: 1ffff11015d60ef7 RCX: ffffffff88f5b0e0 RDX: ffffed1015d60ef7 RSI: ffff8880a4a4fbb0 RDI: ffff8880aeb078e8 RBP: ffff8880a4a4fbb0 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880a4a4fbe0 R11: 0000000000000001 R12: ffff8880aeb078e8 R13: ffff8880aeb07928 R14: ffff8880aeb07938 R15: ffff8880aeb078e8 unwind_next_frame+0xfcc/0x17d0 arch/x86/kernel/unwind_orc.c:478 __save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 __do_kmalloc_node mm/slab.c:3682 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3696 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0x96/0x510 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:427 [inline] aoecmd_cfg+0x15b/0x550 drivers/block/aoe/aoecmd.c:1392 discover_timer+0xc5/0x160 drivers/block/aoe/aoemain.c:44 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279 expire_timers+0x232/0x4d0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1636 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1649 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:schedule_debug kernel/sched/core.c:3198 [inline] RIP: 0010:__schedule+0x103/0x1de0 kernel/sched/core.c:3308 RSP: 0018:ffff8880a4a4f808 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90005b30000 RDX: 1ffff11014949000 RSI: ffffffff83057ef5 RDI: ffff8880600ea618 RBP: ffff8880a4a4f8b8 R08: ffffffff8a09f580 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000002b580 R13: ffff8880aeb2b580 R14: ffff8880a4a48000 R15: ffff8880600ea600 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3508 ___preempt_schedule+0x16/0x18 __mutex_lock_common kernel/locking/mutex.c:885 [inline] __mutex_lock+0xe56/0x1310 kernel/locking/mutex.c:893 list_lru_unregister mm/list_lru.c:28 [inline] list_lru_destroy mm/list_lru.c:573 [inline] list_lru_destroy+0x57/0x3f0 mm/list_lru.c:565 destroy_super+0x22/0x120 fs/super.c:177 sget_userns+0x2dd/0xc10 fs/super.c:508 kernfs_mount_ns+0xd5/0x770 fs/kernfs/mount.c:324 kernfs_mount include/linux/kernfs.h:544 [inline] cgroup_do_mount+0x98/0x400 kernel/cgroup/cgroup.c:1952 cgroup_mount+0x7a7/0x970 kernel/cgroup/cgroup.c:2019 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0xe53/0x2a00 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ccd9 RSP: 002b:00007fd12e45ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000020440 RCX: 000000000045ccd9 RDX: 0000000020000040 RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c R13: 00007ffee148debf R14: 00007fd12e45b9c0 R15: 000000000078bf0c