linux-stable/fs/dlm
Alexander Aring bbd8ac533d dlm: fix user space lock decision to copy lvb
[ Upstream commit ad191e0eee ]

This patch fixes the copy lvb decision for user space lock requests.
Checking dlm_lvb_operations is done earlier, where granted/requested
lock modes are available to use in the matrix.

The decision had been moved to the wrong location, where granted mode
and requested mode where the same, which causes the dlm_lvb_operations
matix to produce the wrong copy decision. For PW or EX requests, the
caller could get invalid lvb data.

Fixes: 61bed0baa4 ("fs: dlm: use a non-static queue for callbacks")
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-30 09:49:08 +02:00
..
Kconfig fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
Makefile fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
ast.c dlm: fix user space lock decision to copy lvb 2024-05-30 09:49:08 +02:00
ast.h fs: dlm: move dlm_purge_lkb_callbacks to user module 2023-06-14 10:17:33 -05:00
config.c fs: dlm: create midcomms nodes when configure 2023-08-10 10:33:03 -05:00
config.h fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
debug_fs.c dlm: update format header reflect current format 2023-12-20 15:36:48 -06:00
dir.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
dir.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
dlm_internal.h dlm: fix user space lock decision to copy lvb 2024-05-30 09:49:08 +02:00
lock.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
lock.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
lockspace.c fs: dlm: revert check required context while close 2023-06-14 10:17:33 -05:00
lockspace.h fs: dlm: revert check required context while close 2023-06-14 10:17:33 -05:00
lowcomms.c dlm: use kernel_connect() and kernel_bind() 2023-11-16 11:58:42 -06:00
lowcomms.h fs: dlm: remove socket shutdown handling 2022-11-21 09:45:49 -06:00
lvb_table.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193 2019-05-30 11:29:21 -07:00
main.c fs: dlm: unregister memory at the very last 2023-06-14 10:17:33 -05:00
member.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
member.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
memory.c fs: dlm: change dflags to use atomic bits 2023-03-06 15:49:07 -06:00
memory.h fs: dlm: allow different allocation context per _create_message 2022-11-08 12:59:41 -06:00
midcomms.c dlm: fix no ack after final message 2023-10-12 15:20:55 -05:00
midcomms.h fs: dlm: create midcomms nodes when configure 2023-08-10 10:33:03 -05:00
plock.c dlm: use FL_SLEEP to determine blocking vs non-blocking 2023-11-16 11:59:19 -06:00
rcom.c fs: dlm: don't use RCOM_NAMES for version detection 2023-08-10 10:33:03 -05:00
rcom.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recover.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recover.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recoverd.c fs: dlm: get recovery sequence number as parameter 2023-08-10 10:33:03 -05:00
recoverd.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193 2019-05-30 11:29:21 -07:00
requestqueue.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
requestqueue.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
user.c dlm: fix user space lock decision to copy lvb 2024-05-30 09:49:08 +02:00
user.h fs: dlm: move dlm_purge_lkb_callbacks to user module 2023-06-14 10:17:33 -05:00
util.c dlm: use __le types for dlm messages 2022-04-06 14:02:37 -05:00
util.h dlm: use __le types for dlm messages 2022-04-06 14:02:37 -05:00