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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