mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 21:05:08 +00:00
Add sanity testing against maximum sane lengths for device paths for
loader and kernel. CID: 1383608 Sponsored by: Netflix
This commit is contained in:
parent
a6b6f888b5
commit
af934ea3ba
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=326804
|
@ -650,8 +650,14 @@ make_boot_var(const char *label, const char *loader, const char *kernel, const c
|
|||
kerneldp = NULL;
|
||||
}
|
||||
llen = efidp_size(loaderdp);
|
||||
if (llen > MAX_DP_LEN)
|
||||
errx(1, "Loader path too long.");
|
||||
klen = efidp_size(kerneldp);
|
||||
if (klen > MAX_DP_LEN)
|
||||
errx(1, "Kernel path too long.");
|
||||
dp = malloc(llen + klen);
|
||||
if (dp == NULL)
|
||||
errx(1, "Can't allocate memory for new device paths");
|
||||
memcpy(dp, loaderdp, llen);
|
||||
if (kerneldp != NULL)
|
||||
memcpy((char *)dp + llen, kerneldp, klen);
|
||||
|
|
Loading…
Reference in a new issue