Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
asan report
================================================================= ==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
poc: poc
The text was updated successfully, but these errors were encountered:
Add test for issue #4
f3b840e
be4c7df
No branches or pull requests
asan report
poc:
poc
The text was updated successfully, but these errors were encountered: