Author: tsoome
Date: Mon May 6 08:32:49 2019
New Revision: 347179
URL: https://svnweb.freebsd.org/changeset/base/347179
Log:
MFC r347142:
loader: validate sectorsize argument in disk_open()
The bug and patch is reported against 11.2, but it is good idea to have
the check in place for all versions.
PR: 236585
Submitted by: j...@feith.com
Reported by: j...@feith.com
Modified:
stable/12/stand/common/disk.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/stand/common/disk.c
==============================================================================
--- stable/12/stand/common/disk.c Mon May 6 08:30:53 2019
(r347178)
+++ stable/12/stand/common/disk.c Mon May 6 08:32:49 2019
(r347179)
@@ -228,6 +228,10 @@ disk_open(struct disk_devdesc *dev, uint64_t mediasize
struct ptable_entry part;
int rc, slice, partition;
+ if (sectorsize == 0) {
+ DEBUG("unknown sector size");
+ return (ENXIO);
+ }
rc = 0;
od = (struct open_disk *)malloc(sizeof(struct open_disk));
if (od == NULL) {
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