1 files changed, 25 insertions, 30 deletions

diff --git a/meta-oe/recipes-graphics/libsdl/libsdl-1.2.15/CVE-2019-7577.patch b/meta-oe/recipes-graphics/libsdl/libsdl-1.2.15/CVE-2019-7577.patch
index 92e40aec5..63680b8b7 100644
--- a/meta-oe/recipes-graphics/libsdl/libsdl-1.2.15/CVE-2019-7577.patch
+++ b/meta-oe/recipes-graphics/libsdl/libsdl-1.2.15/CVE-2019-7577.patch
@@ -47,10 +47,17 @@ CVE: CVE-2019-7577
 Upstream-Status: Backport
 Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
 
-diff -r a6e3d2f5183e -r 416136310b88 src/audio/SDL_wave.c
---- a/src/audio/SDL_wave.c      Mon Jun 10 08:50:59 2019 -0700
-+++ b/src/audio/SDL_wave.c      Mon Jun 10 08:54:11 2019 -0700
-@@ -115,7 +115,7 @@
+Refresh CVE-2019-7577.patch as it can't be applyed when using PATCHTOOL = "patch".
+Signed-off-by: Zheng Ruoqin <zhengrq.fnst@cn.fujitsu.com>
+---
+ src/audio/SDL_wave.c | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
+
+diff --git a/src/audio/SDL_wave.c b/src/audio/SDL_wave.c
+index b4ad6c7..0bcf7e2 100644
+--- a/src/audio/SDL_wave.c
++++ b/src/audio/SDL_wave.c
+@@ -115,7 +115,7 @@ static Sint32 MS_ADPCM_nibble(struct MS_ADPCM_decodestate *state,
  static int MS_ADPCM_decode(Uint8 **audio_buf, Uint32 *audio_len)
  {
         struct MS_ADPCM_decodestate *state[2];
@@ -59,7 +66,7 @@ diff -r a6e3d2f5183e -r 416136310b88 src/audio/SDL_wave.c
         Sint32 encoded_len, samplesleft;
         Sint8 nybble, stereo;
         Sint16 *coeff[2];
-@@ -124,6 +124,7 @@
+@@ -124,6 +124,7 @@ static int MS_ADPCM_decode(Uint8 **audio_buf, Uint32 *audio_len)
         /* Allocate the proper sized output buffer */
         encoded_len = *audio_len;
         encoded = *audio_buf;
@@ -67,7 +74,7 @@ diff -r a6e3d2f5183e -r 416136310b88 src/audio/SDL_wave.c
         freeable = *audio_buf;
         *audio_len = (encoded_len/MS_ADPCM_state.wavefmt.blockalign) * 
                                 MS_ADPCM_state.wSamplesPerBlock*
-@@ -141,6 +142,7 @@
+@@ -141,10 +142,14 @@ static int MS_ADPCM_decode(Uint8 **audio_buf, Uint32 *audio_len)
         state[1] = &MS_ADPCM_state.state[stereo];
         while ( encoded_len >= MS_ADPCM_state.wavefmt.blockalign ) {
                 /* Grab the initial information for this block */
@@ -75,7 +82,14 @@ diff -r a6e3d2f5183e -r 416136310b88 src/audio/SDL_wave.c
                 state[0]->hPredictor = *encoded++;
                 if ( stereo ) {
                         state[1]->hPredictor = *encoded++;
-@@ -188,6 +190,8 @@
+                }
++               if (state[0]->hPredictor >= 7 || state[1]->hPredictor >= 7) {
++                       goto invalid_predictor;
++               }
+                state[0]->iDelta = ((encoded[1]<<8)|encoded[0]);
+                encoded += sizeof(Sint16);
+                if ( stereo ) {
+@@ -188,6 +193,8 @@ static int MS_ADPCM_decode(Uint8 **audio_buf, Uint32 *audio_len)
                 samplesleft = (MS_ADPCM_state.wSamplesPerBlock-2)*
                                         MS_ADPCM_state.wavefmt.channels;
                 while ( samplesleft > 0 ) {
@@ -84,7 +98,7 @@ diff -r a6e3d2f5183e -r 416136310b88 src/audio/SDL_wave.c
                         nybble = (*encoded)>>4;
                         new_sample = MS_ADPCM_nibble(state[0],nybble,coeff[0]);
                         decoded[0] = new_sample&0xFF;
-@@ -209,6 +213,10 @@
+@@ -209,6 +216,14 @@ static int MS_ADPCM_decode(Uint8 **audio_buf, Uint32 *audio_len)
         }
         SDL_free(freeable);
         return(0);
@@ -92,28 +106,6 @@ diff -r a6e3d2f5183e -r 416136310b88 src/audio/SDL_wave.c
 +       SDL_SetError("Too short chunk for a MS ADPCM decoder");
 +       SDL_free(freeable);
 +       return(-1);
- }
- 
- struct IMA_ADPCM_decodestate {
-
-
-diff -r 416136310b88 -r faf9abbcfb5f src/audio/SDL_wave.c
---- a/src/audio/SDL_wave.c      Mon Jun 10 08:54:11 2019 -0700
-+++ b/src/audio/SDL_wave.c      Mon Jun 10 08:54:29 2019 -0700
-@@ -147,6 +147,9 @@
-                if ( stereo ) {
-                        state[1]->hPredictor = *encoded++;
-                }
-+               if (state[0]->hPredictor >= 7 || state[1]->hPredictor >= 7) {
-+                       goto invalid_predictor;
-+               }
-                state[0]->iDelta = ((encoded[1]<<8)|encoded[0]);
-                encoded += sizeof(Sint16);
-                if ( stereo ) {
-@@ -217,6 +220,10 @@
-        SDL_SetError("Too short chunk for a MS ADPCM decoder");
-        SDL_free(freeable);
-        return(-1);
 +invalid_predictor:
 +       SDL_SetError("Invalid predictor value for a MS ADPCM decoder");
 +       SDL_free(freeable);
@@ -121,3 +113,6 @@ diff -r 416136310b88 -r faf9abbcfb5f src/audio/SDL_wave.c
  }
  
  struct IMA_ADPCM_decodestate {
+-- 
+2.7.4
+