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(parent: 6123fd2) | patch
cifs: use the correct max-length for dentry_path_raw()
authorRonnie Sahlberg <lsahlber@redhat.com>
Tue, 10 Aug 2021 06:33:55 +0000 (16:33 +1000)
committerSteve French <stfrench@microsoft.com>
Tue, 10 Aug 2021 15:45:50 +0000 (10:45 -0500)
commitbe1bf41ebdae217c551b1311b5da42981d14d84f
treec33f98b3ad15f17c7570f21711df75e7e310cc98tree | snapshot
parent6123fd2bedc6483dbc3eb28bac26f9854dba1839commit | diff
cifs: use the correct max-length for dentry_path_raw()

RHBZ: 1972502

PATH_MAX is 4096 but PAGE_SIZE can be >4096 on some architectures
such as ppc and would thus write beyond the end of the actual object.

Cc: <stable@vger.kernel.org>
Reported-by: Xiaoli Feng <xifeng@redhat.com>
Suggested-by: Brian foster <bfoster@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
fs/cifs/dir.c diff | blob | history
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