linux-ext4 - [PATCH 0/2] ext4: fix syzbot report: kernel BUG in ext4_get_group

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Date:   Sun, 30 Apr 2023 11:43:09 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Ext4 Developers List <linux-ext4@...r.kernel.org>
Cc:     syzbot+e2efa3efc15a1c9e95c3@...kaller.appspotmail.com,
        "Theodore Ts'o" <tytso@....edu>
Subject: [PATCH 0/2] ext4: fix syzbot report: kernel BUG in ext4_get_group_info

These two patches address this syzbot report[1].  See also the
discussion here[2].

[1] https://syzkaller.appspot.com/bug?id=69b28112e098b070f639efb356393af3ffec4220
[2] https://lore.kernel.org/r/ZE3YkAiGVLXMbHmb@mit.edu

Theodore Ts'o (2):
  ext4: allow ext4_get_group_info() to fail
  ext4: remove a BUG_ON in ext4_mb_release_group_pa()

 fs/ext4/balloc.c  | 19 +++++++++++-
 fs/ext4/ext4.h    | 15 ++-------
 fs/ext4/ialloc.c  | 12 +++++---
 fs/ext4/mballoc.c | 78 +++++++++++++++++++++++++++++++++++++++--------
 fs/ext4/super.c   |  2 ++
 5 files changed, 96 insertions(+), 30 deletions(-)

-- 
2.31.0