ip6_tunnel: ip6erspan0 xmit: Local address not yet configured! rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P17601/1:b..l rcu: (detected by 0, t=10502 jiffies, g=107673, q=862788 ncpus=2) task:syz.1.3679 state:R running task stack:25904 pid:17601 tgid:17601 ppid:5635 task_flags:0x400040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5504 [inline] __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:unwind_next_frame+0x169/0x2550 arch/x86/kernel/unwind_orc.c:-1 Code: f6 03 03 0f 85 fa 19 00 00 49 8d 5e 35 48 89 d8 48 c1 e8 03 48 89 04 24 42 0f b6 04 20 84 c0 0f 85 92 1c 00 00 4c 89 7c 24 10 <4c> 89 6c 24 50 0f b6 1b 48 8b 44 24 20 42 80 3c 20 00 4d 8d 7e 48 RSP: 0018:ffffc90004c1f780 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc90004c1f85d RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8c292100 RDI: ffffffff8c2920c0 RBP: 1ffff92000983f0c R08: 0000000000000000 R09: 0000000000000000 R10: ffffc90004c1f878 R11: ffffffff81b116c0 R12: dffffc0000000000 R13: ffffffff8176a21f R14: ffffc90004c1f828 R15: 1ffff92000983f05 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2700 [inline] slab_free mm/slub.c:6310 [inline] kmem_cache_free+0x182/0x650 mm/slub.c:6437 kfree_skb_reason include/linux/skbuff.h:1325 [inline] unix_release_sock+0xa11/0xce0 net/unix/af_unix.c:726 unix_release+0x92/0xd0 net/unix/af_unix.c:1182 __sock_release net/socket.c:710 [inline] sock_close+0xad/0x220 net/socket.c:1501 __fput+0x418/0xa50 fs/file_table.c:512 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6bcf19ce59 RSP: 002b:00007f6bcf53fba8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f6bcf417da0 RCX: 00007f6bcf19ce59 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f6bcf417da0 R08: 0000000000000006 R09: 0000000000000000 R10: 00007f6bcf417cb0 R11: 0000000000000246 R12: 000000000008dd73 R13: 00007f6bcf41618c R14: 000000000008dad1 R15: 00007f6bcf416180