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| author | Arsen Arsenović | 2023-02-21 20:20:31 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2023-02-27 13:09:44 +0100 |
| commit | 2d4a3d9e6c1493a9520b907e07a41aca90cdfd94 (patch) | |
| tree | 43346d952c6bab88c456802246d9531f67907127 /scripts | |
| parent | 029740a3e43835d2a71696449baba5250a346e0a (diff) | |
| download | busybox-2d4a3d9e6c1493a9520b907e07a41aca90cdfd94.zip busybox-2d4a3d9e6c1493a9520b907e07a41aca90cdfd94.tar.gz | |
fixdep: avoid underflow when end of entry doesn't coincide with EOF
Bug: https://bugs.gentoo.org/893776
Closes: https://bugs.busybox.net/show_bug.cgi?id=15326
Signed-off-by: Arsen Arsenović <arsen@gentoo.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/basic/fixdep.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 426b488..66be73a 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -338,6 +338,11 @@ void parse_dep_file(void *map, size_t len) do p--; while (!isalnum((unsigned char)*p)); p++; } + if (p < m) { + /* we've consumed the last filename of this list + already. */ + break; + } memcpy(s, m, p-m); s[p-m] = 0; if (strrcmp(s, "include/autoconf.h") && strrcmp(s, "arch/um/include/uml-config.h") && |