------------[ cut here ]------------
WARNING: CPU: 1 PID: 9 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Modules linked in:
CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Code: 01 e8 29 f7 03 f9 0f 0b e9 64 fe ff ff e8 1d f7 03 f9 0f 0b e9 99 fe ff ff e8 11 f7 03 f9 0f 0b e9 c1 fe ff ff e8 05 f7 03 f9 <0f> 0b e9 e9 fe ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff
RSP: 0018:ffffc90000dd0be0 EFLAGS: 00010246
RAX: ffffffff8875289b RBX: dffffc0000000000 RCX: ffff88813fe90000
RDX: 0000000000000100 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000080000000 R08: ffff88802b604a7f R09: 1ffff110056c094f
R10: dffffc0000000000 R11: ffffed10056c0950 R12: ffff88802b604800
R13: ffff88802b604800 R14: ffff88802b604a20 R15: 1ffff110056c0902
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14ae445ff8 CR3: 0000000078553000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x50/0x840 net/core/sock.c:1961
 sock_put include/net/sock.h:1989 [inline]
 sctp_endpoint_destroy_rcu+0x9d/0xe0 net/sctp/endpointola.c:193
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x9d2/0x1670 kernel/rcu/tree.c:2763
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 do_softirq+0x142/0x210 kernel/softirq.c:477
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x180/0x1c0 kernel/softirq.c:401
 rcu_read_unlock_bh include/linux/rcupdate.h:810 [inline]
 __dev_queue_xmit+0x1c51/0x2fd0 net/core/dev.c:4315
 batadv_send_skb_packet+0x384/0x5f0 net/batman-adv/send.c:108
 batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:392 [inline]
 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x698/0x840 net/batman-adv/bat_iv_ogm.c:1700
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>