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| author | Martin Koegler <mkoegler@auto.tuwien.ac.at> | 2008-02-18 20:47:52 (GMT) |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2008-02-19 03:20:17 (GMT) |
| commit | 50974ec99408b2d814360863e72a5eca613889c8 (patch) | |
| tree | 340049890a965da37de20bb4b24349da2edd3aba /sha1_file.c | |
| parent | e5fc9a0aea2c3c49829b5cdf499339e5c759706b (diff) | |
| download | git-50974ec99408b2d814360863e72a5eca613889c8.zip git-50974ec99408b2d814360863e72a5eca613889c8.tar.gz git-50974ec99408b2d814360863e72a5eca613889c8.tar.bz2 | |
read_object_with_reference: don't read beyond the buffer
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sha1_file.c b/sha1_file.c index 66a4e00..0ca7f0d 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -1943,7 +1943,8 @@ void *read_object_with_reference(const unsigned char *sha1, } ref_length = strlen(ref_type); - if (memcmp(buffer, ref_type, ref_length) || + if (ref_length + 40 > isize || + memcmp(buffer, ref_type, ref_length) || get_sha1_hex((char *) buffer + ref_length, actual_sha1)) { free(buffer); return NULL; |