[syzbot] Monthly perf report (Aug 2025)

[syzbot]

Hello perf maintainers/developers,

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

During the period, 1 new issues were detected and 1 were fixed.
In total, 3 issues are still open and 27 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 7542    Yes   WARNING: suspicious RCU usage in get_callchain_entry
                  https://syzkaller.appspot.com/bug?extid=72a43cdb78469f7fbad1
<2> 43      Yes   WARNING in __perf_event_overflow (2)
                  https://syzkaller.appspot.com/bug?extid=2524754f17993441bf66
<3> 2       No    KASAN: slab-use-after-free Read in __task_pid_nr_ns
                  https://syzkaller.appspot.com/bug?extid=e0378d4f4fe57aa2bdd0

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