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author | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-17 15:39:11 +0100 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-20 16:21:41 +0100 |
commit | 158f0545d81b2aca1c936490f80d13988616910e (patch) | |
tree | a06dce524957015f2a3de8bc44fe06bf6dd681e5 | |
parent | 712d962a6a29b1099cd872cfb07867175a93ac4c (diff) | |
download | ffmpeg-158f0545d81b2aca1c936490f80d13988616910e.tar.gz |
avcodec/ass_split: Fix null pointer dereference in ff_ass_style_get()
Fixes: 55d71971da50365d542ed14b65565fe1/signal_sigsegv_4765a4_8499_f146af090a94f591d6254515c7700ef5.mkv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavcodec/ass_split.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ass_split.c b/libavcodec/ass_split.c index 9bc7b9d5d6..f84a686b03 100644 --- a/libavcodec/ass_split.c +++ b/libavcodec/ass_split.c @@ -525,7 +525,7 @@ ASSStyle *ff_ass_style_get(ASSSplitContext *ctx, const char *style) if (!style || !*style) style = "Default"; for (i=0; i<ass->styles_count; i++) - if (!strcmp(ass->styles[i].name, style)) + if (ass->styles[i].name && !strcmp(ass->styles[i].name, style)) return ass->styles + i; return NULL; } |