RSP: 002b:00007ff62e909fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff62e90a6c0 RCX: 00007ff62d95e98e
RDX: 000000000000003a RSI: 0000200000000640 RDI: 00000000000000c8
RBP: 00007ff62e90a090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ff62dc26038 R14: 00007ff62dc25fa0 R15: 00007fff2a402a88
 </TASK>
------------[ cut here ]------------
!orig_ifinfo
WARNING: net/batman-adv/bat_iv_ogm.c:1413 at batadv_iv_ogm_update_seqnos net/batman-adv/bat_iv_ogm.c:1413 [inline], CPU#0: syz.2.5745/28650
WARNING: net/batman-adv/bat_iv_ogm.c:1413 at batadv_iv_ogm_process_per_outif+0x1fe4/0x25c0 net/batman-adv/bat_iv_ogm.c:1550, CPU#0: syz.2.5745/28650
Modules linked in:
CPU: 0 UID: 0 PID: 28650 Comm: syz.2.5745 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:batadv_iv_ogm_update_seqnos net/batman-adv/bat_iv_ogm.c:1413 [inline]
RIP: 0010:batadv_iv_ogm_process_per_outif+0x1fe4/0x25c0 net/batman-adv/bat_iv_ogm.c:1550
Code: ff ff e8 0f f9 1a f6 49 bc 00 00 00 00 00 fc ff df e9 80 f4 ff ff e8 fb f8 1a f6 90 0f 0b 90 e9 47 e1 ff ff e8 ed f8 1a f6 90 <0f> 0b 90 48 8b bc 24 80 00 00 00 e8 6c df ff ff 48 c7 44 24 50 00
RSP: 0018:ffffc9000e4c72a0 EFLAGS: 00010293
RAX: ffffffff8bacf523 RBX: ffff88801ff19a40 RCX: ffff88807ee28000
RDX: 0000000000000000 RSI: ffffffff8e416476 RDI: ffffffff8c6dad80
RBP: ffffc9000e4c7430 R08: ffffffff907a647f R09: 1ffffffff20f4c8f
R10: dffffc0000000000 R11: fffffbfff20f4c90 R12: dffffc0000000000
R13: 0000000001000000 R14: ffff888029366000 R15: ffff88801ff19a40
FS:  00007ff62e90a6c0(0000) GS:ffff888124cc7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 000000005a19c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 batadv_iv_ogm_process net/batman-adv/bat_iv_ogm.c:1866 [inline]
 batadv_iv_ogm_receive+0xc13/0x1740 net/batman-adv/bat_iv_ogm.c:1974
 batadv_batman_skb_recv+0x4b6/0x870 net/batman-adv/main.c:529
 __netif_receive_skb_one_core net/core/dev.c:6297 [inline]
 __netif_receive_skb net/core/dev.c:6410 [inline]
 netif_receive_skb_internal net/core/dev.c:6496 [inline]
 netif_receive_skb+0x4af/0xbf0 net/core/dev.c:6555
 tun_rx_batched+0x1de/0x790 drivers/net/tun.c:1571
 tun_get_user+0x2be0/0x44d0 drivers/net/tun.c:2045
 tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:2091
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff62d95e98e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ff62e909fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff62e90a6c0 RCX: 00007ff62d95e98e
RDX: 000000000000003a RSI: 0000200000000640 RDI: 00000000000000c8
RBP: 00007ff62e90a090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ff62dc26038 R14: 00007ff62dc25fa0 R15: 00007fff2a402a88
 </TASK>