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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-09-08 12:48:54 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-08 13:22:51 -0400
commite9f7bee1df223dcf83743b46cb06c08d95497ec0 (patch)
tree67beae4733ef0286645112a52623c81c8f8a19a9 /arch
parent016eb4a0ed06a3677d67a584da901f0e9a63c666 (diff)
[PATCH] NFS: large non-page-aligned direct I/O clobbers memory
The logic in nfs_direct_read_schedule and nfs_direct_write_schedule can allow data->npages to be one larger than rpages. This causes a page pointer to be written beyond the end of the pagevec in nfs_read_data (or nfs_write_data). Fix this by making nfs_(read|write)_alloc() calculate the size of the pagevec array, and initialise data->npages. Also get rid of the redundant argument to nfs_commit_alloc(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions