From 64ca0a371100fc7dfdb20de9263763e46c88a436 Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Mon, 9 Dec 2019 07:42:48 +0100 Subject: tools/syz-check: add description checking utility syz-check parses vmlinux dwarf, extracts struct descriptions, compares them with what we have (size, fields, alignment, etc) and produces .warn files. This is first raw version, it can be improved in a number of ways. But it already helped to identify a critical issue #1542 and shows some wrong struct descriptions. Update #590 --- sys/linux/socket_inet_tcp.txt.warn | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 sys/linux/socket_inet_tcp.txt.warn (limited to 'sys/linux/socket_inet_tcp.txt.warn') diff --git a/sys/linux/socket_inet_tcp.txt.warn b/sys/linux/socket_inet_tcp.txt.warn new file mode 100644 index 000000000..11d813ce9 --- /dev/null +++ b/sys/linux/socket_inet_tcp.txt.warn @@ -0,0 +1,17 @@ +0102: struct sockaddr_storage_tcp: no corresponding struct in kernel +0107: struct tcp_md5sig: bad number of fields: syz=5 kernel=6 +0109: field tcp_md5sig.__tcpm_pad1/tcpm_flags: bad size: syz=2 kernel=1 +0110: field tcp_md5sig.tcpm_keylen/tcpm_prefixlen: bad offset: syz=130 kernel=129 +0110: field tcp_md5sig.tcpm_keylen/tcpm_prefixlen: bad size: syz=2 kernel=1 +0111: field tcp_md5sig.__tcpm_pad2/tcpm_keylen: bad offset: syz=132 kernel=130 +0111: field tcp_md5sig.__tcpm_pad2/tcpm_keylen: bad size: syz=4 kernel=2 +0112: field tcp_md5sig.tcpm_key/__tcpm_pad: bad offset: syz=136 kernel=132 +0112: field tcp_md5sig.tcpm_key/__tcpm_pad: bad size: syz=80 kernel=4 +0115: struct tcp_repair_opt: bad number of fields: syz=4 kernel=2 +0116: field tcp_repair_opt.mss/opt_code: bad size: syz=8 kernel=4 +0117: field tcp_repair_opt.window/opt_val: bad offset: syz=8 kernel=4 +0117: field tcp_repair_opt.window/opt_val: bad size: syz=8 kernel=4 +0122: struct tcp_repair_opt_mss: no corresponding struct in kernel +0127: struct tcp_repair_opt_window: no corresponding struct in kernel +0133: struct tcp_repair_opt_sack_perm: no corresponding struct in kernel +0138: struct tcp_repair_opt_timestamp: no corresponding struct in kernel -- cgit mrf-deployment