Date: Mon, 7 Sep 2015 20:55:15 +0000 (UTC) From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r287541 - head/lib/libz Message-ID: <201509072055.t87KtFCU070392@repo.freebsd.org>
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Author: dim Date: Mon Sep 7 20:55:14 2015 New Revision: 287541 URL: https://svnweb.freebsd.org/changeset/base/287541 Log: In libz's inflateMark(), avoid left-shifting a negative integer, which is undefined. Reviewed by: delphij Differential Revision: https://reviews.freebsd.org/D3344 MFC after: 3 days Modified: head/lib/libz/inflate.c Modified: head/lib/libz/inflate.c ============================================================================== --- head/lib/libz/inflate.c Mon Sep 7 20:05:56 2015 (r287540) +++ head/lib/libz/inflate.c Mon Sep 7 20:55:14 2015 (r287541) @@ -1504,7 +1504,7 @@ z_streamp strm; { struct inflate_state FAR *state; - if (strm == Z_NULL || strm->state == Z_NULL) return -1L << 16; + if (strm == Z_NULL || strm->state == Z_NULL) return -(1L << 16); state = (struct inflate_state FAR *)strm->state; return ((long)(state->back) << 16) + (state->mode == COPY ? state->length :
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