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(parent: 980608f) | patch
nfsd4: fix READ permission checking
authorJ. Bruce Fields <bfields@redhat.com>
Fri, 3 Apr 2015 21:19:41 +0000 (17:19 -0400)
committerJ. Bruce Fields <bfields@redhat.com>
Tue, 21 Apr 2015 20:16:01 +0000 (16:16 -0400)
commit6e4891dc289cd191d46ab7ba1dcb29646644f9ca
tree9b99fa6fa8fd1ab4dcc571ad4125c7be2fece33atree | snapshot
parent980608fb50aea34993ba956b71cd4602aa42b14bcommit | diff
nfsd4: fix READ permission checking

In the case we already have a struct file (derived from a stateid), we
still need to do permission-checking; otherwise an unauthorized user
could gain access to a file by sniffing or guessing somebody else's
stateid.

Cc: stable@vger.kernel.org
Fixes: dc97618ddda9 "nfsd4: separate splice and readv cases"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
fs/nfsd/nfs4xdr.c diff | blob | history
Domain: System / Kernel;