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Fix a -Warray-bounds gcc warning in OPENSSL_DIR_read

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'__builtin_strncpy' offset [275, 4095] from the object at
'direntry' is out of the bounds of referenced subobject 'd_name'
with type 'char[256]' at offset 19

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10343)
This commit is contained in:
Bernd Edlinger 2019-11-03 17:34:23 +01:00
parent d1c1fb2d41
commit db5cf86535
1 changed files with 2 additions and 3 deletions

5
crypto/LPdir_unix.c

@ -131,9 +131,8 @@ const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
return 0;
}
strncpy((*ctx)->entry_name, direntry->d_name,
sizeof((*ctx)->entry_name) - 1);
(*ctx)->entry_name[sizeof((*ctx)->entry_name) - 1] = '\0';
OPENSSL_strlcpy((*ctx)->entry_name, direntry->d_name,
sizeof((*ctx)->entry_name));
#ifdef __VMS
if ((*ctx)->expect_file_generations) {
char *p = (*ctx)->entry_name + strlen((*ctx)->entry_name);