[syzbot] Monthly bpf report (Mar 2026)

[syzbot] Monthly bpf report (Mar 2026)

[syzbot]

Hello bpf maintainers/developers,

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

During the period, 3 new issues were detected and 5 were fixed.
In total, 25 issues are still open and 323 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 19578   Yes   WARNING in reg_bounds_sanity_check (2)
                  https://syzkaller.appspot.com/bug?extid=c950cc277150935cc0b5
<2> 2433    Yes   WARNING in trace_suspend_resume
                  https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891
<3> 241     No    KMSAN: uninit-value in handle_bug
                  https://syzkaller.appspot.com/bug?extid=ba80855313e6fa65717a
<4> 216     Yes   inconsistent lock state in bpf_lru_push_free
                  https://syzkaller.appspot.com/bug?extid=c69a0a2c816716f1e0d5
<5> 102     No    INFO: task hung in dev_map_free (3)
                  https://syzkaller.appspot.com/bug?extid=9bb2e1829da8582dcffa
<6> 44      Yes   KASAN: slab-use-after-free Read in bpf_trace_run2 (3)
                  https://syzkaller.appspot.com/bug?extid=59701a78e84b0bccfe1b
<7> 1       Yes   possible deadlock in bpf_lru_push_free (2)
                  https://syzkaller.appspot.com/bug?extid=18b26edb69b2e19f3b33

---
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@googlegroups.com.

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.