[syzbot] Monthly bpf report (May 2023)

[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, 2 new issues were detected and 1 were fixed.
In total, 5 issues are still open and 179 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 174     Yes   WARNING in bpf_xdp_adjust_tail (4)
                  https://syzkaller.appspot.com/bug?extid=f817490f5bd20541b90a
<2> 6       Yes   WARNING in bpf_verifier_vlog
                  https://syzkaller.appspot.com/bug?extid=8b2a08dfbd25fd933d75
<3> 4       No    KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem (5)
                  https://syzkaller.appspot.com/bug?extid=ebe648a84e8784763f82

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