[syzbot] Monthly bpf report (Apr 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, 1 new issues were detected and 1 were fixed.
In total, 23 issues are still open and 324 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 310 Yes KMSAN: uninit-value in handle_bug
https://syzkaller.appspot.com/bug?extid=ba80855313e6fa65717a
<2> 259 Yes inconsistent lock state in bpf_lru_push_free
https://syzkaller.appspot.com/bug?extid=c69a0a2c816716f1e0d5
<3> 95 Yes KASAN: slab-use-after-free Read in bpf_trace_run2 (3)
https://syzkaller.appspot.com/bug?extid=59701a78e84b0bccfe1b
<4> 8 Yes KASAN: slab-use-after-free Read in bpf_trace_run3 (2)
https://syzkaller.appspot.com/bug?extid=9ea7c90be2b24e189592

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