mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 23:43:30 +00:00
b867bc357a
I was too eager fixing out-of-bounds access and did not notice that loop increment is `+= 4` instead of `+= 1`. The loop condition was fine as is.
21 lines
749 B
Diff
21 lines
749 B
Diff
pal16bxcl is an array of 256 dwords, not bytes:
|
|
src/endmem.asm:NEWSYM pal16bxcl, resd 256
|
|
|
|
While at it fixes off-by-4 out of bounds exit.
|
|
|
|
Detected by _FORTIFY_SOURCE=3:
|
|
*** buffer overflow detected ***: terminated
|
|
#7 0x08057c14 in memset (__len=2, __ch=255, __dest=<optimized out>) at ...-glibc-2.38-23-dev/include/bits/string_fortified.h:59
|
|
#8 clearmem () at initc.c:1461
|
|
--- a/src/initc.c
|
|
+++ b/src/initc.c
|
|
@@ -1389,7 +1389,7 @@ extern unsigned char vidmemch8[4096];
|
|
extern unsigned char pal16b[1024];
|
|
extern unsigned char pal16bcl[1024];
|
|
extern unsigned char pal16bclha[1024];
|
|
-extern unsigned char pal16bxcl[256];
|
|
+extern unsigned char pal16bxcl[1024];
|
|
extern unsigned char SPCRAM[65472];
|
|
unsigned char *SPCState = SPCRAM;
|
|
|