------------[ cut here ]------------
WARNING: CPU: 1 PID: 13626 at net/core/skbuff.c:5295 skb_try_coalesce+0xff1/0x1580
Modules linked in:
CPU: 1 PID: 13626 Comm: syz-executor.4 Not tainted 5.17.0-rc8-syzkaller-00003-g56e337f2cf13 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_try_coalesce+0xff1/0x1580 net/core/skbuff.c:5295
Code: b0 f9 e9 51 f1 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c ed f1 ff ff 4c 89 ff e8 79 43 b0 f9 e9 e0 f1 ff ff e8 ef 93 63 f9 <0f> 0b e9 9e fb ff ff 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c e2 f2 ff
RSP: 0018:ffffc900045aef10 EFLAGS: 00010283
RAX: ffffffff88220601 RBX: 0000000000000030 RCX: 0000000000040000
RDX: ffffc9000ab29000 RSI: 000000000001cecd RDI: 000000000001cece
RBP: 0000000000000001 R08: ffffffff88220198 R09: ffffed100fd4eac3
R10: ffffed100fd4eac3 R11: 0000000000000000 R12: 00000000000001b0
R13: 00000000000001b0 R14: ffff88807ab448c0 R15: dffffc0000000000
FS:  00007f96e0726700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005000 CR3: 000000006af50000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tcp_try_coalesce+0x31c/0x970 net/ipv4/tcp_input.c:4651
 tcp_queue_rcv net/ipv4/tcp_input.c:4914 [inline]
 tcp_data_queue+0x157e/0x8480 net/ipv4/tcp_input.c:5025
 tcp_rcv_established+0x9f7/0x22b0 net/ipv4/tcp_input.c:5947
 tcp_v4_do_rcv+0x476/0xa10 net/ipv4/tcp_ipv4.c:1719
 sk_backlog_rcv include/net/sock.h:1037 [inline]
 __release_sock+0x1d8/0x4c0 net/core/sock.c:2779
 release_sock+0x5d/0x1c0 net/core/sock.c:3311
 sk_wait_data+0x25e/0x4b0 net/core/sock.c:2821
 tcp_recvmsg_locked+0x1006/0x2d50 net/ipv4/tcp.c:2459
 tcp_recvmsg+0x254/0x890 net/ipv4/tcp.c:2574
 inet_recvmsg+0x156/0x270 net/ipv4/af_inet.c:850
 sock_recvmsg_nosec net/socket.c:948 [inline]
 sock_recvmsg net/socket.c:966 [inline]
 ____sys_recvmsg+0x2b0/0x5e0 net/socket.c:2632
 ___sys_recvmsg net/socket.c:2674 [inline]
 __sys_recvmsg+0x348/0x8b0 net/socket.c:2704
 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: 0033:0x7f96e1dd2049
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f96e0726168 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f96e1ee5030 RCX: 00007f96e1dd2049
RDX: 0000000000000100 RSI: 0000000020001500 RDI: 0000000000000003
RBP: 00007f96e1e2c08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeae55ea9f R14: 00007f96e0726300 R15: 0000000000022000
 </TASK>