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, 5 new issues were detected and 0 were fixed. In total, 55 issues are still open and 148 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 33227 Yes possible deadlock in dqget https://syzkaller.appspot.com/bug?extid=6e493c165d26d6fcbf72 <2> 2203 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <3> 1943 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <4> 1920 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <5> 1025 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <6> 1019 Yes WARNING in __ext4_iget https://syzkaller.appspot.com/bug?extid=2ff67872645e5b5ebdd5 <7> 201 No KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) https://syzkaller.appspot.com/bug?extid=35257a2200785ea628f5 <8> 173 Yes kernel BUG in ext4_write_inline_data_end (2) https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d <9> 172 Yes KMSAN: uninit-value in aes_encrypt (5) https://syzkaller.appspot.com/bug?extid=aeb14e2539ffb6d21130 <10> 96 Yes WARNING: locking bug in find_lock_lowest_rq https://syzkaller.appspot.com/bug?extid=9a3a26ce3bf119f0190b --- 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@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.
