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Hello. I picked up on what I believe to be an off-by-one out of bounds write onto the stack (at the address stored in word created in man_xx). It looks like parse_value continues writing to offset 256. The following is the backtrace when compiled with ASAN and clang. I tested it out on i386 and amd64 and got the same results. PR incoming.
After compiling with ASAN (add -fsanitize=address to CFLAGS), run the following. The failing input is attached.
Hello. I picked up on what I believe to be an off-by-one out of bounds write onto the stack (at the address stored in
word
created inman_xx
). It looks likeparse_value
continues writing to offset 256. The following is the backtrace when compiled with ASAN and clang. I tested it out on i386 and amd64 and got the same results. PR incoming.After compiling with ASAN (add
-fsanitize=address
to CFLAGS), run the following. The failing input is attached../mantohtml ./bf8b7f1ea6034319a7c5db20070c4a49ce67e4d4298f69f0a10059b97b5f3c98 > /dev/null
The backtrace:
bf8b7f1ea6034319a7c5db20070c4a49ce67e4d4298f69f0a10059b97b5f3c98.txt
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