jfs: fix array-index-out-of-bounds in dbAdjTree

stable inclusion
from stable-v4.19.307
commit 3d3898b4d72c677d47fe3cb554449f2df5c12555
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I96GQ3
CVE: CVE-2023-52601

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3d3898b4d72c677d47fe3cb554449f2df5c12555

--------------------------------

[ Upstream commit 74ecdda68242b174920fe7c6133a856fb7d8559b ]

Currently there is a bound check missing in the dbAdjTree while
accessing the dmt_stree. To add the required check added the bool is_ctl
which is required to determine the size as suggest in the following
commit.
https://lore.kernel.org/linux-kernel-mentees/f9475918-2186-49b8-b801-6f0f9e75f4fa@oracle.com/



Reported-by:  <syzbot+39ba34a099ac2e9bd3cb@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=39ba34a099ac2e9bd3cb


Signed-off-by: Manas Ghandat <ghandatmanas@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>