stack-buffer-overflow-ngiflib-c-543.poc
=================================================================
==226949==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fff5e0ae0ff at pc 0x404e89 bp 0x7fff5e0aaed0 sp 0x7fff5e0aaec8
WRITE of size 1 at 0x7fff5e0ae0ff thread T0
#0 0x404e88 in DecodeGifImg /opt/lxf/ngiflib-master/ngiflib.c:543
#1 0x406515 in LoadGif /opt/lxf/ngiflib-master/ngiflib.c:789
#2 0x40184e in main /opt/lxf/ngiflib-master/gif2tga.c:95
#3 0x7f11dbd4bf44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
#4 0x4011a8 (/opt/lxf/ngiflib-master/gif2tga_asan+0x4011a8)
Address 0x7fff5e0ae0ff is located in stack of thread T0 at offset 12703 in frame
#0 0x40378d in DecodeGifImg /opt/lxf/ngiflib-master/ngiflib.c:387
This frame has 4 object(s):
[32, 8224) 'ab_prfx'
[8256, 8544) 'context'
[8576, 12672) 'ab_suffx'
[12704, 16800) 'ab_stack' <== Memory access at offset 12703 underflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow /opt/lxf/ngiflib-master/ngiflib.c:543 DecodeGifImg
Shadow bytes around the buggy address:
0x10006bc0dbc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dbd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dbe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dbf0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x10006bc0dc10: 00 00 00 00 00 00 00 00 00 00 00 00 f2 f2 f2[f2]
0x10006bc0dc20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dc30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dc40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dc50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006bc0dc60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Contiguous container OOB:fc
ASan internal: fe
==226949==ABORTING
SEGV-ngiflib-c-808.poc
ASAN:SIGSEGV
=================================================================
==209972==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000086 (pc 0x000000402b71 sp 0x7fff92bb3570 bp 0x7fff92bb7840 T0)
#0 0x402b70 in GifIndexToTrueColor /opt/lxf/ngiflib-master/ngiflib.c:808
#1 0x402e61 in WritePixels /opt/lxf/ngiflib-master/ngiflib.c:214
#2 0x404f27 in DecodeGifImg /opt/lxf/ngiflib-master/ngiflib.c:550
#3 0x406515 in LoadGif /opt/lxf/ngiflib-master/ngiflib.c:789
#4 0x40184e in main /opt/lxf/ngiflib-master/gif2tga.c:95
#5 0x7fac605b0f44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
#6 0x4011a8 (/opt/lxf/ngiflib-master/gif2tga_asan+0x4011a8)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /opt/lxf/ngiflib-master/ngiflib.c:808 GifIndexToTrueColor
==209972==ABORTING
heap-buffer-overflow-ngiflib-c-808.poc
=================================================================
==18451==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60300000f00f at pc 0x402b71 bp 0x7ffd69d08800 sp 0x7ffd69d087f8
READ of size 1 at 0x60300000f00f thread T0
#0 0x402b70 in GifIndexToTrueColor /opt/lxf/ngiflib-master/ngiflib.c:808
#1 0x4049d5 in WritePixel /opt/lxf/ngiflib-master/ngiflib.c:124
#2 0x4049d5 in DecodeGifImg /opt/lxf/ngiflib-master/ngiflib.c:531
#3 0x406515 in LoadGif /opt/lxf/ngiflib-master/ngiflib.c:789
#4 0x40184e in main /opt/lxf/ngiflib-master/gif2tga.c:95
#5 0x7f4bbfbbef44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
#6 0x4011a8 (/opt/lxf/ngiflib-master/gif2tga_asan+0x4011a8)
0x60300000f00f is located 23 bytes to the right of 24-byte region [0x60300000efe0,0x60300000eff8)
allocated by thread T0 here:
#0 0x7f4bbffba862 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x54862)
#1 0x405614 in LoadGif /opt/lxf/ngiflib-master/ngiflib.c:634
SUMMARY: AddressSanitizer: heap-buffer-overflow /opt/lxf/ngiflib-master/ngiflib.c:808 GifIndexToTrueColor
Shadow bytes around the buggy address:
0x0c067fff9db0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9dc0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9dd0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9de0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9df0: fa fa fa fa fa fa fa fa fa fa fa fa 00 00 00 fa
=>0x0c067fff9e00: fa[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9e20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9e30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9e40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9e50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Contiguous container OOB:fc
ASan internal: fe
==18451==ABORTING
dos-an-infinite-loop-ngiflib-c-669.poc
in LoadGif ngiflig.c:669 has an infinite loop