diff options
| author | Olivier Certner <olce@FreeBSD.org> | 2025-08-28 16:58:53 +0000 |
|---|---|---|
| committer | Olivier Certner <olce@FreeBSD.org> | 2025-09-17 12:16:04 +0000 |
| commit | bbdea7c9f4aeae26b35f842382df0203fcda24a5 (patch) | |
| tree | 6b27895453e16ed03076ef2e09fc44090bb44b6d | |
| parent | a207833f4fed5431cac853c082fa34dc8f33cba6 (diff) | |
linux: setgroups(): Fix the group number's upper limit
'ngroups_max' is the maximum number of supplementary groups the system
will accept, and this has not changed.
Fixes: 9da2fe96ff2e ("kern: fix setgroups(2) and getgroups(2) to match other platforms")
MFC after: 5 days
MFC to: stable/15
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D52277
| -rw-r--r-- | sys/compat/linux/linux_misc.c | 2 | ||||
| -rw-r--r-- | sys/compat/linux/linux_uid16.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index 755eae057406..fb86de6e7302 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1034,7 +1034,7 @@ linux_setgroups(struct thread *td, struct linux_setgroups_args *args) int error; struct proc *p; - if (ngrp < 0 || ngrp >= ngroups_max) + if (ngrp < 0 || ngrp > ngroups_max) return (EINVAL); linux_gidset = malloc(ngrp * sizeof(*linux_gidset), M_LINUX, M_WAITOK); error = copyin(args->grouplist, linux_gidset, ngrp * sizeof(l_gid_t)); diff --git a/sys/compat/linux/linux_uid16.c b/sys/compat/linux/linux_uid16.c index 07430f5b399b..dd681f971746 100644 --- a/sys/compat/linux/linux_uid16.c +++ b/sys/compat/linux/linux_uid16.c @@ -91,7 +91,7 @@ linux_setgroups16(struct thread *td, struct linux_setgroups16_args *args) int error; struct proc *p; - if (ngrp < 0 || ngrp >= ngroups_max) + if (ngrp < 0 || ngrp > ngroups_max) return (EINVAL); linux_gidset = malloc(ngrp * sizeof(*linux_gidset), M_LINUX, M_WAITOK); error = copyin(args->gidset, linux_gidset, ngrp * sizeof(l_gid16_t)); |