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WARNING: CPU: 1 PID: 9982 at net/mptcp/protocol.c:1366 mptcp_sendmsg_frag+0x707/0x1570
Modules linked in:
CPU: 0 PID: 9982 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mptcp_sendmsg_frag+0x707/0x1570 net/mptcp/protocol.c:1366
Code: c0 0f 85 c3 07 00 00 41 0f b6 1c 24 83 e3 08 31 ff 89 de e8 ab d7 90 f7 84 db 0f 85 82 01 00 00 e8 ce d4 90 f7 4c 8b 64 24 30 <0f> 0b 41 bf ea ff ff ff e9 f6 0c 00 00 48 8b 4c 24 20 48 8d 99 50
RSP: 0018:ffffc90009677440 EFLAGS: 00010283
RAX: ffffffff89f1a0b2 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90002ce1000 RSI: 000000000000a2e4 RDI: 000000000000a2e5
RBP: ffffc90009677570 R08: ffffffff89f1a0a5 R09: fffff940003f1847
R10: fffff940003f1847 R11: 0000000000000000 R12: 1ffff920012cee9c
R13: dffffc0000000000 R14: ffff88801ee58a00 R15: ffff88801ee58a00
FS:  00007f2e28f44700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c12d000 CR3: 00000000437f7000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __mptcp_push_pending+0x47d/0x1000 net/mptcp/protocol.c:1547
 mptcp_release_cb+0xdf/0x450 net/mptcp/protocol.c:3003
 release_sock+0xaf/0x1c0 net/core/sock.c:3206
 sk_stream_wait_memory+0x6f9/0xdc0 net/core/stream.c:145
 mptcp_sendmsg+0xc71/0x1d00 net/mptcp/protocol.c:1749
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 sock_write_iter+0x37c/0x4e0 net/socket.c:1057
 call_write_iter include/linux/fs.h:2163 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xb11/0xe90 fs/read_write.c:594
 ksys_write+0x18f/0x2c0 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2e2b9cd739
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2e28f44188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2e2bad1f80 RCX: 00007f2e2b9cd739
RDX: 00000000000e7b78 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f2e2ba27cc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2e2bad1f80
R13: 00007ffd0a48f2ff R14: 00007f2e28f44300 R15: 0000000000022000