diff options
author | Michael Niedermayer <[email protected]> | 2015-11-06 22:24:23 +0100 |
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committer | Michael Niedermayer <[email protected]> | 2015-11-07 01:10:58 +0100 |
commit | 11b4822ddb3eaa6627f2e83fa2e934d39d7ce2b1 (patch) | |
tree | c501a9906b13714031eb245a6324ba69cb0d8b26 | |
parent | 2de2959305c57683e8ce9832395f465a2bc13dcf (diff) |
avcodec/microdvddec: Check for string end in 'P' case
Fixes out of array read
Fixes: a9502b60f4cecc19475382aee255f73c/asan_heap-oob_1e87fba_2548_a8ad47f6dde36644fe9cdc444d4632d0.sub
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit c719cd6cf79ec21d974b81ba874580f4b8e9eb90)
Signed-off-by: Michael Niedermayer <[email protected]>
-rw-r--r-- | libavcodec/microdvddec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/microdvddec.c b/libavcodec/microdvddec.c index 96034a042a..9035892205 100644 --- a/libavcodec/microdvddec.c +++ b/libavcodec/microdvddec.c @@ -164,6 +164,8 @@ static char *microdvd_load_tags(struct microdvd_tag *tags, char *s) /* Position */ case 'P': + if (!*s) + break; tag.persistent = MICRODVD_PERSISTENT_ON; tag.data1 = (*s++ == '1'); if (*s != '}') |