Date: Thu, 7 Dec 2017 05:55:18 +0000 (UTC) From: Eugene Grosbein <eugen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r326655 - head/sys/geom/raid Message-ID: <201712070555.vB75tIfM037076@repo.freebsd.org>
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Author: eugen Date: Thu Dec 7 05:55:18 2017 New Revision: 326655 URL: https://svnweb.freebsd.org/changeset/base/326655 Log: Fix use-after-free that sometimes results in a garbage returned instead of right error code after requests to SINGLE/CONCAT volumes, f.e: # dd if=/dev/raid/r0 bs=512 of=/dev/null dd: /dev/raid/r0: Unknown error: -559038242 Reviewed by: avg (mentor), mav (mentor) MFC after: 3 days Modified: head/sys/geom/raid/tr_concat.c Modified: head/sys/geom/raid/tr_concat.c ============================================================================== --- head/sys/geom/raid/tr_concat.c Thu Dec 7 04:55:31 2017 (r326654) +++ head/sys/geom/raid/tr_concat.c Thu Dec 7 05:55:18 2017 (r326655) @@ -341,7 +341,7 @@ g_raid_tr_iodone_concat(struct g_raid_tr_object *tr, pbp->bio_inbed++; if (pbp->bio_children == pbp->bio_inbed) { pbp->bio_completed = pbp->bio_length; - g_raid_iodone(pbp, bp->bio_error); + g_raid_iodone(pbp, pbp->bio_error); } }
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