FreeBSD Bugzilla – Attachment 233180 Details for
Bug 260300
SECINFO_NO_NAME with PARENT and a file crashes NFS v4 server
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[patch]
check for a VDIR vnode for secinfo_name/parent
secnoname.patch (text/plain), 550 bytes, created by
Rick Macklem
on 2022-04-12 23:48:12 UTC
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Description:
check for a VDIR vnode for secinfo_name/parent
Filename:
MIME Type:
Creator:
Rick Macklem
Created:
2022-04-12 23:48:12 UTC
Size:
550 bytes
patch
obsolete
>--- sys/fs/nfsserver/nfs_nfsdserv.c.notdir 2022-04-12 15:55:50.950310000 -0700 >+++ sys/fs/nfsserver/nfs_nfsdserv.c 2022-04-12 16:07:18.558405000 -0700 >@@ -3822,6 +3822,11 @@ nfsrvd_secinfononame(struct nfsrv_descript *nd, int is > fhstyle = fxdr_unsigned(int, *tl); > switch (fhstyle) { > case NFSSECINFONONAME_PARENT: >+ if (dp->v_type != VDIR) { >+ vput(dp); >+ nd->nd_repstat = NFSERR_NOTDIR; >+ goto nfsmout; >+ } > NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP, > LOCKLEAF | SAVESTART); > nfsvno_setpathbuf(&named, &bufp, &hashp);
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bug 260300
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