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

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[ Upstream commit 05d9ea1ceb ]

Currently there is not check against the agno of the iag while
allocating new inodes to avoid fragmentation problem. Added the check
which is required.

Reported-by: syzbot+79d792676d8ac050949f@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=79d792676d8ac050949f
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>

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Manas Ghandat 2023-10-04 13:10:40 +05:30 • committed by Greg Kroah-Hartman

parent a50b796d36

commit 8c68af2af6

1 changed files with 4 additions and 1 deletions

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fs/jfs/jfs_imap.c

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