git: d8b77cc05ab2 - stable/14 - nmount(2), NFS: Accept 'ngroups_max + 1' groups in "export" credentials
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Date: Thu, 16 Jan 2025 18:08:25 UTC
The branch stable/14 has been updated by olce:
URL: https://cgit.FreeBSD.org/src/commit/?id=d8b77cc05ab25500636d0d34f10a8a9091778914
commit d8b77cc05ab25500636d0d34f10a8a9091778914
Author: Olivier Certner <olce@FreeBSD.org>
AuthorDate: 2024-10-08 09:39:08 +0000
Commit: Olivier Certner <olce@FreeBSD.org>
CommitDate: 2025-01-16 18:06:58 +0000
nmount(2), NFS: Accept 'ngroups_max + 1' groups in "export" credentials
There is no technical reason to limit that to NGROUPS_MAX, which is off
by one and just our minimum maximum value.
Reviewed by: rmacklem
Approved by: markj (mentor)
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D47013
(cherry picked from commit 84337218786b13f0ebfa834d28de41dce02bc937)
---
sys/kern/vfs_mount.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sys/kern/vfs_mount.c b/sys/kern/vfs_mount.c
index 206618b4ac6b..1990f3714ab6 100644
--- a/sys/kern/vfs_mount.c
+++ b/sys/kern/vfs_mount.c
@@ -1498,7 +1498,7 @@ vfs_domount_update(
bcopy(bufp, &export, len);
grps = NULL;
if (export.ex_ngroups > 0) {
- if (export.ex_ngroups <= NGROUPS_MAX) {
+ if (export.ex_ngroups <= ngroups_max + 1) {
grps = malloc(export.ex_ngroups *
sizeof(gid_t), M_TEMP, M_WAITOK);
export_error = copyin(export.ex_groups,