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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>
pull/82/head
Arsen Arsenović 2023-02-21 20:20:31 +01:00 committed by Denys Vlasenko
parent 029740a3e4
commit 2d4a3d9e6c
1 changed files with 5 additions and 0 deletions
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5
scripts/basic/fixdep.c
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@ -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") &&