------------[ cut here ]------------
WARNING: CPU: 0 PID: 14224 at net/core/skbuff.c:5295 skb_try_coalesce+0x10d6/0x1440 net/core/skbuff.c:5295
Modules linked in:
CPU: 0 PID: 14224 Comm: syz-executor.1 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_try_coalesce+0x10d6/0x1440 net/core/skbuff.c:5295
Code: ff e8 0e 76 4e fa 48 c7 c6 60 e8 ae 8a 4c 89 e7 e8 9f 16 82 fa 0f 0b e8 f8 75 4e fa 4c 8d 63 ff e9 2a ff ff ff e8 ea 75 4e fa <0f> 0b e9 6f fa ff ff e8 de 75 4e fa 48 8b 44 24 18 be 04 00 00 00
RSP: 0018:ffffc90004527430 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000060 RCX: 0000000000000000
RDX: ffff88801de39d00 RSI: ffffffff8729dd46 RDI: 0000000000000003
RBP: ffff88807e76d500 R08: 0000000000000060 R09: 0000000000000000
R10: ffffffff8729d7b3 R11: 0000000000000000 R12: ffff888069772868
R13: ffff8880697f0ac0 R14: 00000000000001e0 R15: 0000000000000009
FS:  00007fbc757fe700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc4494a3718 CR3: 0000000073b99000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tcp_try_coalesce net/ipv4/tcp_input.c:4649 [inline]
 tcp_try_coalesce+0x393/0x920 net/ipv4/tcp_input.c:4628
 tcp_queue_rcv+0x8a/0x6e0 net/ipv4/tcp_input.c:4912
 tcp_data_queue+0x11fd/0x4bb0 net/ipv4/tcp_input.c:5023
 tcp_rcv_established+0x8af/0x2130 net/ipv4/tcp_input.c:5945
 tcp_v4_do_rcv+0x65e/0x980 net/ipv4/tcp_ipv4.c:1719
 sk_backlog_rcv include/net/sock.h:1037 [inline]
 __release_sock+0x134/0x3b0 net/core/sock.c:2779
 release_sock+0x54/0x1b0 net/core/sock.c:3311
 sk_stream_wait_memory+0x608/0xed0 net/core/stream.c:145
 tcp_sendmsg_locked+0x7c6/0x3050 net/ipv4/tcp.c:1403
 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1441
 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 sock_write_iter+0x289/0x3c0 net/socket.c:1061
 call_write_iter include/linux/fs.h:2086 [inline]
 new_sync_write+0x431/0x660 fs/read_write.c:503
 vfs_write+0x7cd/0xae0 fs/read_write.c:590
 ksys_write+0x1ee/0x250 fs/read_write.c:643
 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: 0033:0x7fbc760aa059
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:00007fbc757fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbc761bd030 RCX: 00007fbc760aa059
RDX: 0000000100000530 RSI: 00000000200006c0 RDI: 000000000000000f
RBP: 00007fbc7610408d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc86f309df R14: 00007fbc757fe300 R15: 0000000000022000
 </TASK>