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WARNING: CPU: 1 PID: 8865 at net/mptcp/protocol.c:719 mptcp_reset_timer+0x12a/0x160 net/mptcp/protocol.c:719
Modules linked in:
CPU: 1 PID: 8865 Comm: syz-executor828 Not tainted 5.10.0-rc4-next-20201120-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 3b 6b 43 fe e8 56 9a 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 36 9a c5 f8 <0f> 0b 41 bc 14 00 00 00 eb 98 e8 87 ff 07 f9 e9 30 ff ff ff 48 c7
RSP: 0018:ffffc900022c78b8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff92000458f17 RCX: ffffffff88aafa87
RDX: ffff8880282e4f80 RSI: ffffffff88aafaea RDI: 0000000000000007
RBP: ffff88801bfc8b40 R08: 0000000000000000 R09: ffff88801bfc938f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000015400 R14: ffff88801bfc8b40 R15: dffffc0000000000
FS:  00000000014f1880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff439b13000 CR3: 0000000020780000 CR4: 00000000001506e0
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
 inet6_sendmsg+0x99/0xe0 net/ipv6/af_inet6.c:638
 sock_sendmsg_nosec net/socket.c:650 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:670
 sock_write_iter+0x289/0x3c0 net/socket.c:997
 call_write_iter include/linux/fs.h:1902 [inline]
 new_sync_write+0x426/0x650 fs/read_write.c:518
 vfs_write+0x791/0xa30 fs/read_write.c:605
 ksys_write+0x1ee/0x250 fs/read_write.c:658
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x444489
Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 eb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc52846de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000444489
RDX: 000000000003f9b4 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007ffc52846e00 R08: 00000000bb1414ac R09: 00000000bb1414ac
R10: 00000000bb1414ac R11: 0000000000000246 R12: 000000000001dc72
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000