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authorJ. Bruce Fields <bfields@redhat.com>2013-05-03 22:09:09 +0200
committerJ. Bruce Fields <bfields@redhat.com>2013-05-03 22:36:14 +0200
commit9f415eb25574db4b73a9a712a4438e41dc284922 (patch)
treec705156d18c80b649249dad2a8cd62768153f5ec /mm/util.c
parentNFSD: SECINFO doesn't handle unsupported pseudoflavors correctly (diff)
downloadlinux-9f415eb25574db4b73a9a712a4438e41dc284922.tar.xz
linux-9f415eb25574db4b73a9a712a4438e41dc284922.zip
nfsd4: don't allow owner override on 4.1 CLAIM_FH opens
The Linux client is using CLAIM_FH to implement regular opens, not just recovery cases, so it depends on the server to check permissions correctly. Therefore the owner override, which may make sense in the delegation recovery case, isn't right in the CLAIM_FH case. Symptoms: on a client with 49f9a0fafd844c32f2abada047c0b9a5ba0d6255 "NFSv4.1: Enable open-by-filehandle", Bryan noticed this: touch test.txt chmod 000 test.txt echo test > test.txt succeeding. Cc: stable@kernel.org Reported-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'mm/util.c')
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