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Range check # of 'extra' command-line parameters against array size.

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This commit is contained in:
Quincey Koziol 2020-04-25 22:52:52 -05:00
parent c18ed719ec
commit 3f3363177d
1 changed files with 9 additions and 1 deletions
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10
tools/src/misc/h5debug.c
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@ -335,7 +335,15 @@ main(int argc, char *argv[])
/* Extra arguments for primary data structure */
HDmemset(extra, 0, sizeof(extra));
if(argc > 3) {
extra_count = argc - 3; /* Number of extra arguments */
/* Number of extra arguments */
extra_count = argc - 3;
/* Range check against 'extra' array size */
if(extra_count > (int)(sizeof(extra) / sizeof(haddr_t))) {
HDfprintf(stderr, "\nWARNING: Only using first %d extra parameters\n\n", (int)(sizeof(extra) / sizeof(haddr_t)));
extra_count = (int)(sizeof(extra) / sizeof(haddr_t));
} /* end if */
for(u = 0; u < (size_t)extra_count; u++)
extra[u] = (haddr_t)HDstrtoll(argv[u + 3], NULL, 0);
} /* end if */