[syzbot] Monthly dm report (Nov 2026)

[syzbot] Monthly dm report (Nov 2026)

[syzbot]

Hello dm maintainers/developers,

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

During the period, 6 new issues were detected and 0 were fixed.
In total, 6 issues are still open and 3 have already been fixed.
There are also 5 low-priority issues.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 646     Yes   KASAN: slab-use-after-free Read in snapshot_ctr
                  https://syzkaller.appspot.com/bug?extid=8e6fc64255334ccf3ab3
<2> 479     Yes   KASAN: null-ptr-deref Read in dm_kcopyd_client_destroy
                  https://syzkaller.appspot.com/bug?extid=a2626a25eb2595e3ec3c
<3> 26      Yes   KASAN: slab-use-after-free Read in pool_ctr
                  https://syzkaller.appspot.com/bug?extid=83827f9a59abe148bff4

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