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Diffstat (limited to 'lib/libkvm/kvm_proc.c')
-rw-r--r--lib/libkvm/kvm_proc.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/libkvm/kvm_proc.c b/lib/libkvm/kvm_proc.c
index b2b7c6ecce56..fed483978e62 100644
--- a/lib/libkvm/kvm_proc.c
+++ b/lib/libkvm/kvm_proc.c
@@ -150,13 +150,14 @@ kvm_proclist(kvm_t *kd, int what, int arg, struct proc *p,
kp->ki_cr_flags = 0;
if (ucred.cr_flags & CRED_FLAG_CAPMODE)
kp->ki_cr_flags |= KI_CRF_CAPABILITY_MODE;
- if (ucred.cr_ngroups > KI_NGROUPS) {
+ if (1 + ucred.cr_ngroups > KI_NGROUPS) {
kp->ki_ngroups = KI_NGROUPS;
kp->ki_cr_flags |= KI_CRF_GRP_OVERFLOW;
} else
- kp->ki_ngroups = ucred.cr_ngroups;
- kvm_read(kd, (u_long)ucred.cr_groups, kp->ki_groups,
- kp->ki_ngroups * sizeof(gid_t));
+ kp->ki_ngroups = 1 + ucred.cr_ngroups;
+ kp->ki_groups[0] = ucred.cr_gid;
+ kvm_read(kd, (u_long)ucred.cr_groups, kp->ki_groups + 1,
+ (kp->ki_ngroups - 1) * sizeof(gid_t));
if (ucred.cr_prison != NULL) {
if (KREAD(kd, (u_long)ucred.cr_prison, &pr)) {
_kvm_err(kd, kd->program,