------------[ cut here ]------------ WARNING: CPU: 0 PID: 6149 at net/core/skbuff.c:5295 skb_try_coalesce+0x1235/0x1560 net/core/skbuff.c:5295 Modules linked in: CPU: 0 PID: 6149 Comm: syz-executor.3 Not tainted 5.17.0-rc8-syzkaller-00045-g551acdc3c3d2 #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 22 43 4f fa 8b 44 24 20 83 e8 01 0f 85 e5 f0 ff ff e9 87 f4 ff ff e8 8b 3f 4f fa <0f> 0b e9 06 f9 ff ff e8 0f b9 96 fa e9 69 f0 ff ff e8 f5 b8 96 fa RSP: 0018:ffffc9000ae07268 EFLAGS: 00010212 RAX: 000000000002c844 RBX: 00000000ffffff58 RCX: ffffc9000c2ed000 RDX: 0000000000040000 RSI: ffffffff872980a5 RDI: 0000000000000003 RBP: ffff88807c7b2280 R08: 00000000ffffff58 R09: 0000000000000000 R10: ffffffff872979a9 R11: 0000000000000000 R12: ffff888075b474e8 R13: ffff888073dd9ac0 R14: ffff888040c312c0 R15: 00000000000000d8 FS: 00007f222e1a7700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020006000 CR3: 000000002a61a000 CR4: 0000000000350ee0 Call Trace: 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+0x11fd/0x4bb0 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: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_wait_data+0x177/0x450 net/core/sock.c:2821 tcp_recvmsg_locked+0xe28/0x1fd0 net/ipv4/tcp.c:2459 tcp_recvmsg+0x137/0x610 net/ipv4/tcp.c:2574 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: 0033:0x7f222f853049 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:00007f222e1a7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007f222f966030 RCX: 00007f222f853049 RDX: 0000000000000100 RSI: 0000000020001500 RDI: 0000000000000003 RBP: 00007f222f8ad08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd45aedcf R14: 00007f222e1a7300 R15: 0000000000022000