[FFmpeg-cvslog] avcodec/sanm: Reset sizes in destroy_buffers()

[Michael Niedermayer]

ffmpeg | branch: release/2.4 | Michael Niedermayer <michael at niedermayer.cc> | Mon Jul 13 16:05:21 2015 +0200| [f78573466d447546d26fc959f2a94a1d10c9e425] | committer: Michael Niedermayer

avcodec/sanm: Reset sizes in destroy_buffers()

Fixes crash in 1288a2fe8e9ae6b00ca40e089d08ca65_signal_sigsegv_7ffff71426a7_354_accident.san with allocation limit 65536

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 39bbdebb1ed8eb9c9b0cd6db85afde6ba89d86e4)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f78573466d447546d26fc959f2a94a1d10c9e425
---

 libavcodec/sanm.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c
index 9e5ec54..2547abb 100644
--- a/libavcodec/sanm.c
+++ b/libavcodec/sanm.c
@@ -457,6 +457,7 @@ static void destroy_buffers(SANMVideoContext *ctx)
     ctx->frm0_size =
     ctx->frm1_size =
     ctx->frm2_size = 0;
+    init_sizes(ctx, 0, 0);
 }
 
 static av_cold int init_buffers(SANMVideoContext *ctx)