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[Bug libc/4018] segfault in ld.so on amd64
- From: "Petr dot Salinger at seznam dot cz" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 9 Feb 2007 21:09:36 -0000
- Subject: [Bug libc/4018] segfault in ld.so on amd64
- References: <20070209180136.4018.Petr.Salinger@seznam.cz>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From Petr dot Salinger at seznam dot cz 2007-02-09 21:09 -------
> Show or test case or get lost.
>From elf/rtld.c:
#define RESOLVE_MAP(sym, version, flags) \
((*(sym))->st_shndx == SHN_UNDEF ? 0 : &bootstrap_map)
So sym_map can become NULL even if sym is not NULL.
After that sym_map (equal to NULL) can be dereferenced.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4018
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