https://sourceware.org/bugzilla/show_bug.cgi?id=33099
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Mark Wielaard <mark at klomp dot org> ---
commit 6136fe46258e2292abeab06703610ad58fb91aef
Author: Mark Wielaard <[email protected]>
Date: Sat Jun 21 13:43:51 2025 +0200
libdwl: Add validate_strdata to limit Elf_Data d_size to valid strings.
dwfl_module_getsym returns the name of a symbol as found in the
corresponding (symbol) string section. Make sure all names are
correctly zero terminated by making sure the last valid index in a
section/segment Elf_Data contains a zero character.
* libdwfl/dwfl_module_getdwarf.c (validate_strdata): New
function taking Elf_Data and restricting d_size to last zero
char.
(translate_offs): Call validate_strdata.
(find_symtab): Likewise for both symstrdata and aux_symstrdata.
https://sourceware.org/bugzilla/show_bug.cgi?id=33099
Signed-off-by: Mark Wielaard <[email protected]>
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