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(parent: cf5ff10) | patch
cifs: Fix potential OOB access of lock element array
authorRoss Lagerwall <ross.lagerwall@citrix.com>
Tue, 8 Jan 2019 18:30:57 +0000 (18:30 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Jan 2019 21:12:31 +0000 (22:12 +0100)
commitbaf6b1921da38ee9549e80511a9c8b9b0542f127
tree91a3ced367103422908309c6fd5bc9ebc496304etree | snapshot (tar.gz zip)
parentcf5ff10d75f6c8f08d98f0efc0a582f26a4454bacommit | diff
cifs: Fix potential OOB access of lock element array

commit b9a74cde94957d82003fb9f7ab4777938ca851cd upstream.

If maxBuf is small but non-zero, it could result in a zero sized lock
element array which we would then try and access OOB.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/cifs/file.c diff | blob | blame | history
fs/cifs/smb2file.c diff | blob | blame | history