[syzbot] Monthly bpf report (Jul 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, 0 new issues were detected and 0 were fixed.
In total, 11 issues are still open and 330 have already been fixed.
There are also 6 low-priority issues.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 1211 Yes BUG: using smp_processor_id() in preemptible code in bpf_mem_cache_free_rcu
https://syzkaller.appspot.com/bug?extid=fd7e415d891073b83e1f
<2> 28 Yes INFO: rcu detected stall in task_numa_work (2)
https://syzkaller.appspot.com/bug?extid=06d48cbf3e767907cec2
<3> 25 Yes KASAN: slab-use-after-free Read in __sk_msg_recvmsg
https://syzkaller.appspot.com/bug?extid=431f9a9e3f5227fbb904

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