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authorToomas Soome <tsoome@FreeBSD.org>2020-03-19 17:27:08 +0000
committerToomas Soome <tsoome@FreeBSD.org>2020-03-19 17:27:08 +0000
commit87d8d5ea3dd0a8ad2c0468660805017d6d45d937 (patch)
treec275adaa25fe736770bee64c3f7d359b1e24e58e /stand
parente4ee6c5444b0319aa3b73aa8215e9cfd44e4ee2c (diff)
Notes
Diffstat (limited to 'stand')
-rw-r--r--stand/common/part.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/stand/common/part.c b/stand/common/part.c
index e61d7ef90c3f..187da5d0179d 100644
--- a/stand/common/part.c
+++ b/stand/common/part.c
@@ -654,6 +654,7 @@ ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize,
int has_ext;
#endif
table = NULL;
+ dp = NULL;
buf = malloc(sectorsize);
if (buf == NULL)
return (NULL);
@@ -708,7 +709,11 @@ ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize,
goto out;
}
/* Check that we have PMBR. Also do some validation. */
- dp = (struct dos_partition *)(buf + DOSPARTOFF);
+ dp = malloc(NDOSPART * sizeof(struct dos_partition));
+ if (dp == NULL)
+ goto out;
+ bcopy(buf + DOSPARTOFF, dp, NDOSPART * sizeof(struct dos_partition));
+
/*
* In mac we can have PMBR partition in hybrid MBR;
* that is, MBR partition which has DOSPTYP_PMBR entry defined as
@@ -770,6 +775,7 @@ ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize,
#endif /* LOADER_MBR_SUPPORT */
#endif /* LOADER_MBR_SUPPORT || LOADER_GPT_SUPPORT */
out:
+ free(dp);
free(buf);
return (table);
}