[FFmpeg-cvslog] avcodec/fft: Use av_mallocz to avoid invalid free/uninit

[Sebastian Ramacher]

ffmpeg | branch: release/6.1 | Sebastian Ramacher <sramacher at debian.org> | Sun Nov 12 18:46:27 2023 +0100| [af912d80d8880797bef9f2ba9809ecd84ed9acd9] | committer: James Almer

avcodec/fft: Use av_mallocz to avoid invalid free/uninit

Signed-off-by: James Almer <jamrial at gmail.com>
(cherry picked from commit a562cfee2e214252f8b3f516527272ae32ef9532)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=af912d80d8880797bef9f2ba9809ecd84ed9acd9
---

 libavcodec/avfft.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/avfft.c b/libavcodec/avfft.c
index fb635abfff..3ef076d222 100644
--- a/libavcodec/avfft.c
+++ b/libavcodec/avfft.c
@@ -46,7 +46,7 @@ FFTContext *av_fft_init(int nbits, int inverse)
 {
     int ret;
     float scale = 1.0f;
-    AVTXWrapper *s = av_malloc(sizeof(*s));
+    AVTXWrapper *s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;
 
@@ -85,7 +85,7 @@ FFTContext *av_mdct_init(int nbits, int inverse, double scale)
 {
     int ret;
     float scale_f = scale;
-    AVTXWrapper *s = av_malloc(sizeof(*s));
+    AVTXWrapper *s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;
 
@@ -146,7 +146,7 @@ RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans)
     if (trans != IDFT_C2R && trans != DFT_R2C)
         return NULL;
 
-    s = av_malloc(sizeof(*s));
+    s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;
 
@@ -199,7 +199,7 @@ DCTContext *av_dct_init(int nbits, enum DCTTransformType inverse)
         [DST_I] = AV_TX_FLOAT_DST_I,
     };
 
-    AVTXWrapper *s = av_malloc(sizeof(*s));
+    AVTXWrapper *s = av_mallocz(sizeof(*s));
     if (!s)
         return NULL;