------------[ cut here ]------------
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162, CPU#0: syz.1.1002/10108
Modules linked in:
CPU: 0 UID: 0 PID: 10108 Comm: syz.1.1002 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 43400005 (nZcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162
lr : inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162
sp : ffff80008ea17c90
x29: ffff80008ea17ca0 x28: 1fffe0001e542ae1 x27: ffff0000d949eb08
x26: ffff0000f2a15708 x25: ffff0000d949e600 x24: 1fffe0001b293cd2
x23: ffff0000d949e690 x22: dfff800000000000 x21: ffff0000d50a26c0
x20: 0000000000000f70 x19: ffff0000d949e88c x18: 00000000ffffffff
x17: ffff80008544e210 x16: ffff800085441108 x15: ffff800084b95c3c
x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: ffff60001b293d15 x9 : 0000000000000101
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000008 x3 : ffff80008547ec3c
x2 : 0000000000000f70 x1 : ffff0000f2a15700 x0 : 0000000000000000
Call trace:
 inet_sock_destruct+0x554/0x650 net/ipv4/af_inet.c:162 (P)
 udp_destruct_sock+0x28/0x38 net/ipv4/udp.c:1808
 __sk_destruct+0x80/0x854 net/core/sock.c:2352
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x598/0xf04 kernel/rcu/tree.c:2869
 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2886
 handle_softirqs+0x2ec/0xd98 kernel/softirq.c:622
 __do_softirq+0x14/0x20 kernel/softirq.c:656
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:78
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:83
 invoke_softirq kernel/softirq.c:503 [inline]
 __irq_exit_rcu+0x1ac/0x428 kernel/softirq.c:735
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:752
 __el1_irq arch/arm64/kernel/entry-common.c:510 [inline]
 el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:522
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:527
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:590
 find_entry+0xf8/0x238 fs/proc/proc_sysctl.c:130 (P)
 find_subdir+0x4c/0xf8 fs/proc/proc_sysctl.c:950
 get_subdir fs/proc/proc_sysctl.c:1003 [inline]
 sysctl_mkdir_p fs/proc/proc_sysctl.c:1320 [inline]
 __register_sysctl_table+0x7d4/0xb4c fs/proc/proc_sysctl.c:1395
 register_net_sysctl_sz+0x354/0x3d0 net/sysctl_net.c:171
 neigh_sysctl_register+0x37c/0x458 net/core/neighbour.c:3922
 devinet_sysctl_register+0xb0/0x1c0 net/ipv4/devinet.c:2749
 inetdev_init+0x250/0x49c net/ipv4/devinet.c:291
 inetdev_event+0x24c/0x11ac net/ipv4/devinet.c:1590
 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453
 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2249
 call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
 call_netdevice_notifiers net/core/dev.c:2301 [inline]
 register_netdevice+0x1018/0x14b8 net/core/dev.c:11461
 ip6_tnl_create2+0x7c/0x138 net/ipv6/ip6_tunnel.c:260
 ip6_tnl_create net/ipv6/ip6_tunnel.c:310 [inline]
 ip6_tnl_locate+0x4c8/0x5b0 net/ipv6/ip6_tunnel.c:360
 ip6_tnl_siocdevprivate+0x4ac/0x68c net/ipv6/ip6_tunnel.c:1695
 dev_siocdevprivate net/core/dev_ioctl.c:511 [inline]
 dev_ifsioc+0x694/0xc74 net/core/dev_ioctl.c:625
 dev_ioctl+0x5c8/0xcf0 net/core/dev_ioctl.c:843
 sock_ioctl+0x734/0x7ec net/socket.c:1359
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:583
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
irq event stamp: 411
hardirqs last  enabled at (410): [<ffff800080b74704>] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234
hardirqs last disabled at (411): [<ffff80008682e34c>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (342): [<ffff800084c44780>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (342): [<ffff800084c44780>] neigh_parms_alloc+0x328/0x45c net/core/neighbour.c:1791
softirqs last disabled at (353): [<ffff8000800204b0>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---