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| author | Ed Maste <emaste@FreeBSD.org> | 2024-01-23 02:05:58 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2024-03-22 18:45:13 +0000 |
| commit | a59eba2caacf82f741e8bbc334b2382c615744df (patch) | |
| tree | d06e25a5d3a26d808a57d62e1d658e5d4744426a | |
| parent | 806e51f81dbae21feb6e7ddd95d2ed2a28b04f8f (diff) | |
| download | src-a59eba2caacf82f741e8bbc334b2382c615744df.tar.gz src-a59eba2caacf82f741e8bbc334b2382c615744df.zip | |
bsdlabel: limit to 8 partitions
bsdlabel is intended to support up to 20 partitions, but the disklabel
struct has a d_partitions array with only BSD_NPARTS_MIN (8) entries.
Previously, an attempt to operate on a bsdlabel with more than eight
partitions resulted in a buffer overflow.
As a stopgap limit bsdlabel to 8 partitions until this is fixed
properly.
PR: 276517
(cherry picked from commit 3f4f82c0d7791bddf2d6f2c29d9f2f8c48c712e2)
(cherry picked from commit a323dd42bcacdcd6b710fb90ba6691c6ce60cd3d)
| -rw-r--r-- | sbin/bsdlabel/bsdlabel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sbin/bsdlabel/bsdlabel.c b/sbin/bsdlabel/bsdlabel.c index 7c7a5bbd6219..5f45039caecb 100644 --- a/sbin/bsdlabel/bsdlabel.c +++ b/sbin/bsdlabel/bsdlabel.c @@ -63,7 +63,7 @@ static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94"; #include <sys/disk.h> #define DKTYPENAMES #define FSTYPENAMES -#define MAXPARTITIONS 20 +#define MAXPARTITIONS 8 /* XXX should be 20, but see PR276517 */ #include <sys/disklabel.h> #include <unistd.h> |