Date: Wed, 26 Nov 2014 00:28:05 +0100 From: Hanno Böck <hanno@...eck.de> To: oss-security@...ts.openwall.com Cc: Tobias Stoeckmann <tobias@...eckmann.org> Subject: OpenBSD patch issue also affects GNU patch Hi, I saw this http://marc.info/?l=openbsd-tech&m=141693055412785&w=2 And thought "let's try this on GNU patch on my linux sys". And bang... segfault. I don't know if this is a random coincidence or if gnu patch and openbsd patch share some common ancestor code (haven't checked details). valgrind output indicates this is an oob write issue: ==22957== Invalid write of size 1 ==22957== at 0x40904A: another_hunk (pch.c:1902) ==22957== by 0x40304E: main (patch.c:366) ==22957== Address 0x80000000051d3b82 is not stack'd, malloc'd or (recently) free'd Reported upstream: https://savannah.gnu.org/bugs/?43700 cu, -- Hanno Böck http://hboeck.de/ mail/jabber: hanno@...eck.de GPG: BBB51E42 Content of type "application/pgp-signature" skipped
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