diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2021-01-31 16:16:23 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-10 09:29:13 +0100 |
| commit | 8e081627f3a7f733a4955ee40b385c972f010f05 (patch) | |
| tree | 829f9c976aa8304897adcf8a7443d4d5e75c75b8 /net/lapb/lapb_out.c | |
| parent | ceca8baed5d815c61c768e5b336a739fe77deeb7 (diff) | |
SUNRPC: Fix NFS READs that start at non-page-aligned offsets
[ Upstream commit bad4c6eb5eaa8300e065bd4426727db5141d687d ]
Anj Duvnjak reports that the Kodi.tv NFS client is not able to read
video files from a v5.10.11 Linux NFS server.
The new sendpage-based TCP sendto logic was not attentive to non-
zero page_base values. nfsd_splice_read() sets that field when a
READ payload starts in the middle of a page.
The Linux NFS client rarely emits an NFS READ that is not page-
aligned. All of my testing so far has been with Linux clients, so I
missed this one.
Reported-by: A. Duvnjak <avian@extremenerds.net>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211471
Fixes: 4a85a6a3320b ("SUNRPC: Handle TCP socket sends with kernel_sendpage() again")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: A. Duvnjak <avian@extremenerds.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/lapb/lapb_out.c')
0 files changed, 0 insertions, 0 deletions