Description: NFSD: Prevent a possible oops in the nfs_dirent() tracepoint
References:
Notes:
 carnil> Commit fixes 6019ce0742ca ("NFSD: Add a tracepoint to record
 carnil> directory entry encoding") and might not affect earlier
 carnil> versions.
Bugs:
upstream: released (5.14-rc1) [7b08cf62b1239a4322427d677ea9363f0ab677c6]
5.10-upstream-stable: N/A "Vulnerable code introduced later"
4.19-upstream-stable: N/A "Vulnerable code introduced later"
4.9-upstream-stable: N/A "Vulnerable code introduced later"
sid: N/A "Vulnerable code introduced later"
5.10-bullseye-security: N/A "Vulnerable code introduced later"
4.19-buster-security: N/A "Vulnerable code introduced later"
4.9-stretch-security: N/A "Vulnerable code introduced later"