Date: Thu, 25 Oct 2018 14:34:38 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r339714 - stable/11/sys/dev/sound/midi Message-ID: <201810251434.w9PEYcrb047312@repo.freebsd.org>
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Author: hselasky Date: Thu Oct 25 14:34:38 2018 New Revision: 339714 URL: https://svnweb.freebsd.org/changeset/base/339714 Log: MFC r339581: Fix off-by-one which can lead to panics. Found by: Peter Holm <peter@holm.cc> Sponsored by: Mellanox Technologies Modified: stable/11/sys/dev/sound/midi/sequencer.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/sound/midi/sequencer.c ============================================================================== --- stable/11/sys/dev/sound/midi/sequencer.c Thu Oct 25 14:12:48 2018 (r339713) +++ stable/11/sys/dev/sound/midi/sequencer.c Thu Oct 25 14:34:38 2018 (r339714) @@ -728,7 +728,7 @@ static int seq_fetch_mid(struct seq_softc *scp, int unit, kobj_t *md) { - if (unit > scp->midi_number || unit < 0) + if (unit >= scp->midi_number || unit < 0) return EINVAL; *md = scp->midis[unit];
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