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0064-ps/sortformat.c: Double-check chars in verify_short_sort().

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To avoid an out-of-bounds access at checkoff[tmp]. The strspn() at the
beginning of the function protects against it already, but double-check
this in case of some future change.
This commit is contained in:
Qualys Security Advisory 1970-01-01 00:00:00 +00:00 committed by Craig Small
parent 7bd4f0b6d7
commit aad2b13690
1 changed files with 1 additions and 0 deletions
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ps/sortformat.c
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@ -427,6 +427,7 @@ static const char *verify_short_sort(const char *arg){
walk = arg; walk = arg;
for(;;){ for(;;){
tmp = *walk; tmp = *walk;
if(tmp < 0 || (size_t)tmp >= sizeof(checkoff)) return _("bad sorting code");
switch(tmp){ switch(tmp){
case '\0': case '\0':
return NULL; /* looks good */ return NULL; /* looks good */