Description: netfs, fscache: Prevent Oops in fscache_put_cache()
References:
Notes:
 carnil> Introduced in 9549332df4ed ("fscache: Implement cache registration").
 carnil> Vulnerable versions: 5.17-rc1.
Bugs:
upstream: released (6.8-rc2) [3be0b3ed1d76c6703b9ee482b55f7e01c369cc68]
6.7-upstream-stable: released (6.7.3) [4200ad3e46ce50f410fdda302745489441bc70f0]
6.6-upstream-stable: released (6.6.15) [1c45256e599061021e2c848952e50f406457e448]
6.1-upstream-stable: released (6.1.76) [82a9bc343ba019665d3ddc1d9a180bf0e0390cf3]
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.6.15-1)
6.1-bookworm-security: released (6.1.76-1)
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"