[syzbot] Monthly bpf report (Sep 2025)

[syzbot] Monthly bpf report (Sep 2025)

[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, 4 new issues were detected and 2 were fixed.
In total, 21 issues are still open and 305 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 72      No    INFO: task hung in dev_map_free (3)
                  https://syzkaller.appspot.com/bug?extid=9bb2e1829da8582dcffa
<2> 60      No    WARNING: ODEBUG bug in handle_softirqs
                  https://syzkaller.appspot.com/bug?extid=60db000b8468baeddbb1
<3> 26      Yes   general protection fault in __pcpu_freelist_pop
                  https://syzkaller.appspot.com/bug?extid=331f5bebb641724ff1f0
<4> 13      No    KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free
                  https://syzkaller.appspot.com/bug?extid=ad4661d6ca888ce7fe11
<5> 11      Yes   BUG: sleeping function called from invalid context in sock_map_delete_elem
                  https://syzkaller.appspot.com/bug?extid=1f1fbecb9413cdbfbef8

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