Author: kib Date: Sun Dec 6 18:09:14 2020 New Revision: 368393 URL: https://svnweb.freebsd.org/changeset/base/368393
Log: ufs: handle two more cases of possible VNON vnode returned from VFS_VGET(). Reported by: kevans Reviewed by: mckusick, mjg Tested by: pho Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D27457 Modified: head/sys/ufs/ufs/ufs_lookup.c head/sys/ufs/ufs/ufs_vfsops.c Modified: head/sys/ufs/ufs/ufs_lookup.c ============================================================================== --- head/sys/ufs/ufs/ufs_lookup.c Sun Dec 6 17:45:42 2020 (r368392) +++ head/sys/ufs/ufs/ufs_lookup.c Sun Dec 6 18:09:14 2020 (r368393) @@ -745,6 +745,11 @@ found: *vpp = vdp; } else { error = VFS_VGET(pdp->v_mount, ino, cnp->cn_lkflags, &tdp); + if (error == 0 && VTOI(tdp)->i_mode == 0) { + vgone(tdp); + vput(tdp); + error = ENOENT; + } if (error) return (error); *vpp = tdp; Modified: head/sys/ufs/ufs/ufs_vfsops.c ============================================================================== --- head/sys/ufs/ufs/ufs_vfsops.c Sun Dec 6 17:45:42 2020 (r368392) +++ head/sys/ufs/ufs/ufs_vfsops.c Sun Dec 6 18:09:14 2020 (r368393) @@ -240,6 +240,8 @@ ufs_fhtovp(mp, ufhp, flags, vpp) ip = VTOI(nvp); if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen || ip->i_effnlink <= 0) { + if (ip->i_mode == 0) + vgone(nvp); vput(nvp); *vpp = NULLVP; return (ESTALE); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
