Date: Wed, 7 Jan 2015 01:51:02 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r276774 - head/usr.bin/ar Message-ID: <201501070151.t071p2qM069156@svn.freebsd.org>
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Author: emaste Date: Wed Jan 7 01:51:02 2015 New Revision: 276774 URL: https://svnweb.freebsd.org/changeset/base/276774 Log: ar: Avoid null pointer deref while reading corrupt archives ELF Tool Chain ticket #467 Reported by: Alexander Cherepanov <cherepan@mccme.ru> MFC after: 1 week Sponsored by: The FreeBSD Foundation Modified: head/usr.bin/ar/read.c Modified: head/usr.bin/ar/read.c ============================================================================== --- head/usr.bin/ar/read.c Wed Jan 7 01:41:45 2015 (r276773) +++ head/usr.bin/ar/read.c Wed Jan 7 01:51:02 2015 (r276774) @@ -102,7 +102,8 @@ read_archive(struct bsdar *bsdar, char m continue; } - name = archive_entry_pathname(entry); + if ((name = archive_entry_pathname(entry)) == NULL) + break; /* Skip pseudo members. */ if (strcmp(name, "/") == 0 || strcmp(name, "//") == 0)
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