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| author | Dai Ngo <dai.ngo@oracle.com> | 2022-12-12 14:50:11 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-30 12:48:01 +0200 |
| commit | ec5b7814353532243e8a9147d232a32549174909 (patch) | |
| tree | 627e0fbcf8b2d1872311c4a6256cb55170471f94 /Documentation/xtensa/booting.rst | |
| parent | a9e53869cb43c96d6d851c491fd4e26430ab6ba6 (diff) | |
| download | linux-stable-ec5b7814353532243e8a9147d232a32549174909.tar.gz linux-stable-ec5b7814353532243e8a9147d232a32549174909.tar.bz2 linux-stable-ec5b7814353532243e8a9147d232a32549174909.zip | |
NFSD: fix use-after-free in __nfs42_ssc_open()
commit 75333d48f92256a0dec91dbf07835e804fc411c0 upstream.
Problem caused by source's vfsmount being unmounted but remains
on the delayed unmount list. This happens when nfs42_ssc_open()
return errors.
Fixed by removing nfsd4_interssc_connect(), leave the vfsmount
for the laundromat to unmount when idle time expires.
We don't need to call nfs_do_sb_deactive when nfs42_ssc_open
return errors since the file was not opened so nfs_server->active
was not incremented. Same as in nfsd4_copy, if we fail to
launch nfsd4_do_async_copy thread then there's no need to
call nfs_do_sb_deactive
Reported-by: Xingyuan Mo <hdthky0@gmail.com>
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Tested-by: Xingyuan Mo <hdthky0@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/xtensa/booting.rst')
0 files changed, 0 insertions, 0 deletions