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WARNING: CPU: 1 PID: 16855 at net/mptcp/protocol.c:719 mptcp_reset_timer+0x12a/0x160 net/mptcp/protocol.c:719
Modules linked in:
CPU: 1 PID: 16855 Comm: syz-executor.4 Not tainted 5.10.0-rc4-next-20201117-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mptcp_reset_timer+0x12a/0x160 net/mptcp/protocol.c:719
Code: e8 0b 87 43 fe e8 46 71 c5 f8 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00 00 00 00 48 83 c4 40 5b 5d 41 5c c3 e8 26 71 c5 f8 <0f> 0b 41 bc 14 00 00 00 eb 98 e8 c7 d3 07 f9 e9 30 ff ff ff 48 c7
RSP: 0018:ffffc900022a79d8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 1ffff92000454f3b RCX: ffffc90011bb1000
RDX: 0000000000040000 RSI: ffffffff88ab23ba RDI: 0000000000000007
RBP: ffff888023ee8000 R08: 0000000000000000 R09: ffff888023ee884f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000281400 R14: ffff888023ee8000 R15: dffffc0000000000
FS:  00007f942fbbc700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000016a9e60 CR3: 000000002f8cb000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 mptcp_push_pending+0x1351/0x17c0 net/mptcp/protocol.c:1266
 mptcp_sendmsg+0x937/0x1630 net/mptcp/protocol.c:1313
 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:817
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:671
 __sys_sendto+0x21c/0x320 net/socket.c:1992
 __do_sys_sendto net/socket.c:2004 [inline]
 __se_sys_sendto net/socket.c:2000 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2000
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45deb9
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f942fbbbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000000000002e900 RCX: 000000000045deb9
RDX: 00000000ffffffe7 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 000000000118bf78 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000c000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe04d5cf0f R14: 00007f942fbbc9c0 R15: 000000000118bf2c