diff options
author | Patrick Steuer <patrick.steuer@de.ibm.com> | 2020-08-11 13:51:04 +0200 |
---|---|---|
committer | Patrick Steuer <patrick.steuer@de.ibm.com> | 2020-08-13 21:32:29 +0200 |
commit | c19e6da9a345b1e14caca23c50a0c7690309e0e4 (patch) | |
tree | 7aeb877117e3b0ae8419f62b097f6ef50fd03f9b /ssl | |
parent | cddbcf0d2887388d95d5b338b249ac3923be00f1 (diff) |
Appease -Werror=stringop-overflow=
gcc 10 seems to think of assigning to an (unsigned) char
array as a stringop and demands additional space for a
terminating '\0':
In function 'ssl3_generate_key_block',
inlined from 'ssl3_setup_key_block' at ssl/s3_enc.c:304:11:
ssl/s3_enc.c:51:20: error: writing 1 byte into a region of size 0
[-Werror=stringop-overflow=]
51 | buf[j] = c;
| ~~~~~~~^~~
ssl/s3_enc.c: In function 'ssl3_setup_key_block':
ssl/s3_enc.c:23:19: note: at offset 16 to object 'buf' with size 16
declared here
23 | unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
| ^~~
Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12632)
Diffstat (limited to 'ssl')
-rw-r--r-- | ssl/s3_enc.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c index 36b7c7616e..bd668f317e 100644 --- a/ssl/s3_enc.c +++ b/ssl/s3_enc.c @@ -22,7 +22,7 @@ static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num) EVP_MD_CTX *s1; unsigned char buf[16], smd[SHA_DIGEST_LENGTH]; unsigned char c = 'A'; - unsigned int i, j, k; + unsigned int i, k; int ret = 0; #ifdef CHARSET_EBCDIC @@ -47,8 +47,7 @@ static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num) goto err; } - for (j = 0; j < k; j++) - buf[j] = c; + memset(buf, c, k); c++; if (!EVP_DigestInit_ex(s1, sha1, NULL) || !EVP_DigestUpdate(s1, buf, k) |