------------[ cut here ]------------
WARNING: CPU: 0 PID: 8954 at net/mptcp/protocol.c:1005 __mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1005
Modules linked in:
CPU: 0 PID: 8954 Comm: syz-executor.4 Not tainted 6.9.0-rc3-next-20240412-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1005
Code: fa ff ff 48 8b 4c 24 18 80 e1 07 fe c1 38 c1 0f 8c 8e fa ff ff 48 8b 7c 24 18 e8 40 12 8f f6 e9 7f fa ff ff e8 b6 95 29 f6 90 <0f> 0b 90 4c 8b 6c 24 40 4d 89 f4 e9 04 f5 ff ff 44 89 f1 80 e1 07
RSP: 0018:ffffc9000393f2e0 EFLAGS: 00010293
RAX: ffffffff8b6ca1ba RBX: ffff88807b747148 RCX: ffff888026061e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000393f3f8 R08: ffffffff8b6c963d R09: fffff52000727e78
R10: dffffc0000000000 R11: fffff52000727e78 R12: 0000000000000000
R13: ffff88807b747138 R14: dffffc0000000000 R15: ffff88801eef0000
FS:  00007f80e77ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000d000 CR3: 000000007d31a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mptcp_clean_una_wakeup+0x7f/0x2d0 net/mptcp/protocol.c:1055
 mptcp_clean_una_wakeup net/mptcp/protocol.c:1062 [inline]
 __mptcp_retrans+0x108/0xe90 net/mptcp/protocol.c:2615
 mptcp_release_cb+0x6e4/0xb30 net/mptcp/protocol.c:3444
 release_sock+0x1aa/0x1f0 net/core/sock.c:3552
 mptcp_sendmsg+0x1797/0x1b10 net/mptcp/protocol.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 sock_write_iter+0x2dd/0x400 net/socket.c:1160
 do_iter_readv_writev+0x5a4/0x800
 vfs_writev+0x395/0xbe0 fs/read_write.c:971
 do_writev+0x1b1/0x350 fs/read_write.c:1018
 do_syscall_x64 arch/x86/entry/common.c:74 [inline]
 do_syscall_64+0xfa/0x250 arch/x86/entry/common.c:105
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f80e7c7de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f80e77ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f80e7dac120 RCX: 00007f80e7c7de69
RDX: 0000000000000001 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007f80e7cca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f80e7dac120 R15: 00007ffca90ace58
 </TASK>