[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

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