Description: NFSD: Fix READDIR buffer overflow
References:
Notes:
 carnil> Introduced in f5dcccd647da ("NFSD: Update the NFSv2 READDIR entry encoder to
 carnil> use struct xdr_stream")
 carnil> 7f87fc2d34d4 ("NFSD: Update NFSv3 READDIR entry encoders to use struct
 carnil> xdr_stream"). Vulnerable versions: 5.13-rc1.
Bugs:
upstream: released (5.16-rc7) [53b1119a6e5028b125f431a0116ba73510d82a72]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.15.15-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"