------------[ cut here ]------------
WARNING: CPU: 1 PID: 27110 at net/core/skbuff.c:5295 skb_try_coalesce+0x1235/0x1560 net/core/skbuff.c:5295
Modules linked in:
CPU: 1 PID: 27110 Comm: syz-executor.2 Not tainted 5.17.0-rc4-syzkaller-01378-g48c77bdf729a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_try_coalesce+0x1235/0x1560 net/core/skbuff.c:5295
Code: bf 01 00 00 00 0f b7 c0 89 c6 89 44 24 20 e8 52 62 4d fa 8b 44 24 20 83 e8 01 0f 85 e5 f0 ff ff e9 87 f4 ff ff e8 bb 5e 4d fa <0f> 0b e9 06 f9 ff ff e8 2f 4f 95 fa e9 69 f0 ff ff e8 15 4f 95 fa
RSP: 0018:ffffc900104a7268 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 00000000000001c0 RCX: ffffc9000bb52000
RDX: 0000000000040000 RSI: ffffffff872b7f95 RDI: 0000000000000003
RBP: ffff888018666dc0 R08: 00000000000001c0 R09: 0000000000000000
R10: ffffffff872b7899 R11: 0000000000000000 R12: ffff88807948c868
R13: ffff88804f57e2c0 R14: ffff88804ae382c0 R15: 0000000000000340
FS:  00007fc2ef6eb700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe957429903 CR3: 000000001c984000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tcp_try_coalesce net/ipv4/tcp_input.c:4651 [inline]
 tcp_try_coalesce+0x393/0x920 net/ipv4/tcp_input.c:4630
 tcp_queue_rcv+0x8a/0x6e0 net/ipv4/tcp_input.c:4914
 tcp_data_queue+0x15bd/0x4c20 net/ipv4/tcp_input.c:5025
 tcp_rcv_established+0x81e/0x1ff0 net/ipv4/tcp_input.c:5947
 tcp_v4_do_rcv+0x65e/0x980 net/ipv4/tcp_ipv4.c:1725
 sk_backlog_rcv include/net/sock.h:1051 [inline]
 __release_sock+0x134/0x3b0 net/core/sock.c:2794
 release_sock+0x54/0x1b0 net/core/sock.c:3327
 sk_wait_data+0x177/0x450 net/core/sock.c:2836
 tcp_recvmsg_locked+0xe28/0x1fd0 net/ipv4/tcp.c:2456
 tcp_recvmsg+0x137/0x610 net/ipv4/tcp.c:2571
 inet_recvmsg+0x11b/0x5e0 net/ipv4/af_inet.c:850
 sock_recvmsg_nosec net/socket.c:948 [inline]
 sock_recvmsg net/socket.c:966 [inline]
 sock_recvmsg net/socket.c:962 [inline]
 ____sys_recvmsg+0x2c4/0x600 net/socket.c:2632
 ___sys_recvmsg+0x127/0x200 net/socket.c:2674
 __sys_recvmsg+0xe2/0x1a0 net/socket.c:2704
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc2f0db8059
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:00007fc2ef6eb168 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fc2f0ecb100 RCX: 00007fc2f0db8059
RDX: 0000000000000100 RSI: 0000000020001500 RDI: 0000000000000005
RBP: 00007fc2f0e1208d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffebf6d798f R14: 00007fc2ef6eb300 R15: 0000000000022000
 </TASK>