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Message-ID: <0000000000000ef4d706074526cd@google.com>
Date: Mon, 09 Oct 2023 02:23:52 -0700
From: syzbot <syzbot+list12247b4500c0d653da52@...kaller.appspotmail.com>
To: adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com, tytso@....edu
Subject: [syzbot] Monthly ext4 report (Oct 2023)
Hello ext4 maintainers/developers,
This is a 31-day syzbot report for the ext4 subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/ext4
During the period, 3 new issues were detected and 0 were fixed.
In total, 38 issues are still open and 116 have been fixed so far.
Some of the still happening issues:
Ref Crashes Repro Title
<1> 4113 Yes WARNING: locking bug in ext4_move_extents
https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
<2> 326 Yes WARNING: locking bug in __ext4_ioctl
https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
<3> 145 Yes WARNING: locking bug in ext4_ioctl
https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
<4> 145 No possible deadlock in evict (3)
https://syzkaller.appspot.com/bug?extid=dd426ae4af71f1e74729
<5> 83 Yes INFO: task hung in sync_inodes_sb (5)
https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<6> 46 No KASAN: slab-use-after-free Read in check_igot_inode
https://syzkaller.appspot.com/bug?extid=741810aea4ac24243b2f
<7> 12 Yes possible deadlock in ext4_xattr_inode_iget (2)
https://syzkaller.appspot.com/bug?extid=352d78bd60c8e9d6ecdc
<8> 10 Yes INFO: task hung in find_inode_fast (2)
https://syzkaller.appspot.com/bug?extid=adfd362e7719c02b3015
<9> 9 Yes kernel BUG in ext4_enable_quotas
https://syzkaller.appspot.com/bug?extid=693985588d7a5e439483
<10> 7 Yes KASAN: slab-use-after-free Read in ext4_convert_inline_data_nolock
https://syzkaller.appspot.com/bug?extid=db6caad9ebd2c8022b41
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.
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