[syzbot] Monthly exfat report (Dec 2024)

[syzbot] Monthly exfat report (Dec 2024)

[syzbot]

Hello exfat maintainers/developers,

This is a 31-day syzbot report for the exfat subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/exfat

During the period, 3 new issues were detected and 1 were fixed.
In total, 12 issues are still open and 19 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 3225    Yes   INFO: task hung in exfat_write_inode
                  https://syzkaller.appspot.com/bug?extid=2f73ed585f115e98aee8
<2> 1854    No    INFO: task hung in exfat_sync_fs
                  https://syzkaller.appspot.com/bug?extid=205c2644abdff9d3f9fc
<3> 394     Yes   WARNING in __brelse (3)
                  https://syzkaller.appspot.com/bug?extid=ce3af36144a13b018cc7
<4> 36      Yes   KMSAN: uninit-value in iov_iter_alignment_iovec
                  https://syzkaller.appspot.com/bug?extid=f2a9c06bfaa027217ebb
<5> 8       Yes   KMSAN: kernel-infoleak in pipe_read
                  https://syzkaller.appspot.com/bug?extid=41ebd857f013384237a9
<6> 2       No    possible deadlock in __generic_file_fsync (2)
                  https://syzkaller.appspot.com/bug?extid=625941ecc67c107ef2bd

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