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184cefbe62
linux/fs/lockd
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Benjamin Coddington 184cefbe62 NLM: Defend against file_lock changes after vfs_test_lock() 
Instead of trusting that struct file_lock returns completely unchanged
after vfs_test_lock() when there's no conflicting lock, stash away our
nlm_lockowner reference so we can properly release it for all cases.

This defends against another file_lock implementation overwriting fl_owner
when the return type is F_UNLCK.

Reported-by: Roberto Bergantinos Corpas <rbergant@redhat.com>
Tested-by: Roberto Bergantinos Corpas <rbergant@redhat.com>
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-07-29 20:08:56 -04:00
..
clnt4xdr.c NFS: Remove print_overflow_msg() 2019-02-13 11:53:45 -05:00
clntlock.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
clntproc.c SUNRPC: Trace calls to .rpc_call_done 2021-10-20 18:09:54 -04:00
clntxdr.c NFS: Remove print_overflow_msg() 2019-02-13 11:53:45 -05:00
host.c fs/lockd: convert comma to semicolon 2020-12-16 07:57:37 -05:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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
svc4proc.c NLM: Defend against file_lock changes after vfs_test_lock() 2022-07-29 20:08:56 -04:00
svc.c NFSD: Move svc_serv_ops::svo_function into struct svc_serv 2022-02-28 10:26:40 -05:00
svclock.c NLM: Defend against file_lock changes after vfs_test_lock() 2022-07-29 20:08:56 -04:00
svcproc.c NLM: Defend against file_lock changes after vfs_test_lock() 2022-07-29 20:08:56 -04:00
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 lockd: fix nlm_close_files 2022-07-11 15:49:56 -04:00
svcxdr.h NLM: Fix svcxdr_encode_owner() 2021-09-17 10:35:10 -04:00
xdr4.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00
xdr.c SUNRPC: Change return value type of .pc_encode 2021-10-13 11:34:49 -04:00