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libelf: Return an error instead of asserting on an invalid ar file

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Upstream elftoolchain ticket 467
http://sourceforge.net/p/elftoolchain/tickets/467/

Reported by:	Alexander Cherepanov
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2015-01-02 02:47:47 +00:00
parent 91a82f9585
commit bc5438c566
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=276524
1 changed files with 2 additions and 1 deletions
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contrib/elftoolchain/libelf/libelf_ar_util.c
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@ -279,7 +279,8 @@ _libelf_ar_open(Elf *e, int reporterror)
*/
if (arh.ar_name[0] == '/') {
assert(sz > 0);
if (sz == 0)
goto error;
e->e_flags |= LIBELF_F_AR_VARIANT_SVR4;