[syzbot] Monthly ext4 report (Mar 2025)

From: syzbot
Date: Mon Mar 24 2025 - 14:56:52 EST


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, 2 new issues were detected and 0 were fixed.
In total, 57 issues are still open and 148 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 72595 Yes WARNING in inode_set_cached_link
https://syzkaller.appspot.com/bug?extid=2cca5ef7e5ed862c0799
<2> 41454 Yes possible deadlock in dqget
https://syzkaller.appspot.com/bug?extid=6e493c165d26d6fcbf72
<3> 4909 Yes WARNING in __ext4_iget
https://syzkaller.appspot.com/bug?extid=2ff67872645e5b5ebdd5
<4> 2297 Yes INFO: task hung in sync_inodes_sb (5)
https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<5> 2060 Yes kernel BUG in ext4_do_writepages
https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48
<6> 1944 Yes INFO: task hung in jbd2_journal_commit_transaction (5)
https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177
<7> 1226 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry
https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1
<8> 243 No KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3)
https://syzkaller.appspot.com/bug?extid=35257a2200785ea628f5
<9> 183 Yes KMSAN: uninit-value in aes_encrypt (5)
https://syzkaller.appspot.com/bug?extid=aeb14e2539ffb6d21130
<10> 132 Yes INFO: task hung in do_get_write_access (3)
https://syzkaller.appspot.com/bug?extid=e7c786ece54bad9d1e43

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