jfs: fix slab-out-of-bounds Read in dtSearch

stable inclusion
from stable-v5.10.210
commit 1c40ca3d39d769931b28295b3145c25f1decf5a6
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I96G8Y
CVE: CVE-2023-52602

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c40ca3d39d769931b28295b3145c25f1decf5a6



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[ Upstream commit fa5492ee89463a7590a1449358002ff7ef63529f ]

Currently while searching for current page in the sorted entry table
of the page there is a out of bound access. Added a bound check to fix
the error.

Dave:
Set return code to -EIO

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202310241724.Ed02yUz9-lkp@intel.com/


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>