https://sourceware.org/bugzilla/show_bug.cgi?id=32654
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #2 from Mark Wielaard <mark at klomp dot org> ---
commit 5e5c0394d82c53e97750fe7b18023e6f84157b81
Author: Mark Wielaard <m...@klomp.org>
Date: Sat Feb 8 21:44:56 2025 +0100
libelf, readelf: Use validate_str also to check dynamic symstr data
When dynsym/str was read through eu-readelf --dynamic by readelf
process_symtab the string data was not validated, possibly printing
unallocated memory past the end of the symstr data. Fix this by
turning the elf_strptr validate_str function into a generic
lib/system.h helper function and use it in readelf to validate the
strings before use.
* libelf/elf_strptr.c (validate_str): Remove to...
* lib/system.h (validate_str): ... here. Make inline, simplify
check and document.
* src/readelf.c (process_symtab): Use validate_str on symstr_data.
https://sourceware.org/bugzilla/show_bug.cgi?id=32654
Signed-off-by: Mark Wielaard <m...@klomp.org>
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