ma, 2023-12-11 kello 16:34 +0000, David Howells kirjoitti: > Hi Markus, Marc, > > Here's a set of fixes to improve the interaction of arbitrary lookups in > the AFS dynamic root that hit DNS lookup failures: > > (1) Always delete unused (particularly negative) dentries as soon as > possible so that they don't prevent future lookups from retrying. > > (2) Fix the handling of new-style negative DNS lookups in ->lookup() to > make them return ENOENT so that userspace doesn't get confused when > stat succeeds but the following open on the looked up file then fails. > > (3) Fix key handling so that DNS lookup results are reclaimed as soon as > they expire rather than sitting round either forever or for an > additional 5 mins beyond a set expiry time returning EKEYEXPIRED. > > The patches can be found here: > > https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=afs-fixes > I tested this patches 6.7.0-rc4-gdfbc00cb940b It seems that not existing directory will remove my valid rxprc key. Reproduce: 1) kinit .... 2) aklog.... 3) keyctl show Session Keyring 347100937 --alswrv 1001 65534 keyring: _uid_ses.1001 1062692655 --alswrv 1001 65534 \_ keyring: _uid.1001 698363997 --als-rv 1001 100 \_ rxrpc: afs@xxxxxxxxxxx klist Ticket cache: KEYRING:persistent:1001:1001 Default principal: ..... ... 4) ls /afs/notfound 5) keyctl show Session Keyring 709308533 --alswrv 1001 65534 keyring: _uid_ses.1001 385820479 --alswrv 1001 65534 \_ keyring: _uid.1001 klist klist: Credentials cache keyring 'persistent:1001:1001' not found -Markus
