xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

jpg: fix memory corruption

Browse source
This commit is contained in:
cinap_lenrek 2012-05-29 17:53:49 +02:00
parent 845db4c372
commit d3243530d7
1 changed files with 4 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
sys/src/cmd/jpg/readjpg.c
View file

@ -488,8 +488,10 @@ huffmantable(Header *h, uchar *b)
/* flow chart C-2 */ /* flow chart C-2 */
nsize = 0; nsize = 0;
for(i=0; i<16; i++) for(i=1; i<=16; i++)
nsize += b[1+i]; nsize += b[i];
if(nsize == 0)
return 0;
t->size = jpgmalloc(h, (nsize+1)*sizeof(int), 1); t->size = jpgmalloc(h, (nsize+1)*sizeof(int), 1);
k = 0; k = 0;
for(i=1; i<=16; i++){ for(i=1; i<=16; i++){