Author: tsoome
Date: Wed Feb 5 11:02:00 2020
New Revision: 357569
URL: https://svnweb.freebsd.org/changeset/base/357569
Log:
zfsboot: vdev_read_pad2 does allocate buffer with wrong size
vdev_read_pad2() does read VDEV_PAD_SIZE of data, and will copy size bytes
of it, hence, we need buffer of VDEV_PAD_SIZE bytes.
Issue introduced in r357497.
Reported by: se
Modified:
head/stand/i386/zfsboot/zfsboot.c
Modified: head/stand/i386/zfsboot/zfsboot.c
==============================================================================
--- head/stand/i386/zfsboot/zfsboot.c Wed Feb 5 08:55:19 2020
(r357568)
+++ head/stand/i386/zfsboot/zfsboot.c Wed Feb 5 11:02:00 2020
(r357569)
@@ -324,7 +324,7 @@ vdev_read_pad2(vdev_t *vdev, char *buf, size_t size)
if (size > VDEV_PAD_SIZE)
size = VDEV_PAD_SIZE;
- tmp = malloc(size);
+ tmp = malloc(VDEV_PAD_SIZE);
if (tmp == NULL)
return (ENOMEM);
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