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linux/fs/lockd
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Jeff Layton 7ff84910c6 lockd: set file_lock start and end when decoding nlm4 testargs 
Commit 6930bcbfb6 dropped the setting of the file_lock range when
decoding a nlm_lock off the wire. This causes the client side grant
callback to miss matching blocks and reject the lock, only to rerequest
it 30s later.

Add a helper function to set the file_lock range from the start and end
values that the protocol uses, and have the nlm_lock decoder call that to
set up the file_lock args properly.

Fixes: 6930bcbfb6 ("lockd: detect and reject lock arguments that overflow")
Reported-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Amir Goldstein <amir73il@gmail.com>
Cc: stable@vger.kernel.org #6.0
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
History 2023-03-14 14:00:55 -04:00
..
clnt4xdr.c lockd: set file_lock start and end when decoding nlm4 testargs 2023-03-14 14:00:55 -04:00
clntlock.c fs: remove locks_inode 2023-01-11 06:52:43 -05:00
clntproc.c fs: remove locks_inode 2023-01-11 06:52:43 -05:00
clntxdr.c NFS: Remove print_overflow_msg() 2019-02-13 11:53:45 -05:00
host.c lockd: move from strlcpy with unused retval to strscpy 2022-09-26 14:02:20 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mon.c Replace HTTP links with HTTPS ones: NFS, SUNRPC, and LOCKD clients 2020-09-21 10:21:10 -04:00
netns.h filelock: move file locking definitions to separate header file 2023-01-11 06:52:32 -05:00
procfs.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
procfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
svc.c sysctl-6.3-rc1 2023-02-23 14:16:56 -08:00
svc4proc.c lockd: set missing fl_flags field when retrieving args 2022-12-10 11:01:11 -05:00
svclock.c lockd: fix file selection in nlmsvc_cancel_blocked 2022-12-10 11:01:11 -05:00
svcproc.c lockd: set missing fl_flags field when retrieving args 2022-12-10 11:01:11 -05:00
svcshare.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
svcsubs.c NFSD 6.2 Release Notes 2022-12-12 20:54:39 -08:00
svcxdr.h NLM: Fix svcxdr_encode_owner() 2021-09-17 10:35:10 -04:00
xdr.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr4.c lockd: set file_lock start and end when decoding nlm4 testargs 2023-03-14 14:00:55 -04:00