d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

vfs: validate that a mount point with FPLOOKUP has vop_fplookup ops

Browse Source
This commit is contained in:
Mateusz Guzik 2023-04-05 23:10:34 +00:00
parent e237e2ba5f
commit f87a9f51ef
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/kern/vfs_subr.c
View File

@ -1800,6 +1800,10 @@ getnewvnode(const char *tag, struct mount *mp, struct vop_vector *vops,
KASSERT(vops->registered,
("%s: not registered vector op %p\n", __func__, vops));
if (mp != NULL && (mp->mnt_kern_flag & MNTK_FPLOOKUP) != 0) {
MPASS(vops->vop_fplookup_vexec != VOP_PANIC);
MPASS(vops->vop_fplookup_symlink != VOP_PANIC);
}
td = curthread;
if (td->td_vp_reserved != NULL) {