Closed
Description
fish@ubuntu:~/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1$ ./afl/afl/bin/djpeg -colors 256 -bmp heap-buffer-overflow-2
Corrupt JPEG data: 117 extraneous bytes before marker 0xdb
=================================================================
==79144==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6100000000f7 at pc 0x558ce02a8b5d bp 0x7fffde75e590 sp 0x7fffde75e580
READ of size 1 at 0x6100000000f7 thread T0
#0 0x558ce02a8b5c in put_pixel_rows /home/fish/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1/wrbmp.c:145
#1 0x558ce028f197 in main /home/fish/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1/djpeg.c:762
#2 0x7f0a3d9fcb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x558ce0290659 in _start (/home/fish/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1/afl/afl/bin/djpeg+0x8659)
0x6100000000f7 is located 0 bytes to the right of 183-byte region [0x610000000040,0x6100000000f7)
allocated by thread T0 here:
#0 0x7f0a3e141b50 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50)
#1 0x7f0a3de0ef68 in alloc_large /home/fish/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1/jmemmgr.c:391
#2 0x7f0a3de0ef68 in alloc_sarray /home/fish/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1/jmemmgr.c:475
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/fish/Desktop/2018-10-10/image/libjpeg-turbo-2.0.1/wrbmp.c:145 in put_pixel_rows
Shadow bytes around the buggy address:
0x0c207fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c207fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c207fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c207fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c207fff8000: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
=>0x0c207fff8010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00[07]fa
0x0c207fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c207fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c207fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c207fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c207fff8060: 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
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==79144==ABORTING