linux-kernel - [syzbot] Monthly bpf report (Oct 2025)

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Message-ID: <68e3fc77.a70a0220.160221.0005.GAE@google.com>
Date: Mon, 06 Oct 2025 10:29:27 -0700
From: syzbot <syzbot+listbab5e5abece11c828361@...kaller.appspotmail.com>
To: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org, 
	daniel@...earbox.net, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly bpf report (Oct 2025)

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 3 were fixed.
In total, 23 issues are still open and 309 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 3880    Yes   WARNING in reg_bounds_sanity_check (2)
                  https://syzkaller.appspot.com/bug?extid=c950cc277150935cc0b5
<2> 984     Yes   WARNING in trace_suspend_resume
                  https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891
<3> 94      No    INFO: task hung in dev_map_free (3)
                  https://syzkaller.appspot.com/bug?extid=9bb2e1829da8582dcffa
<4> 45      Yes   BUG: sleeping function called from invalid context in sock_map_delete_elem
                  https://syzkaller.appspot.com/bug?extid=1f1fbecb9413cdbfbef8
<5> 36      Yes   general protection fault in __pcpu_freelist_pop
                  https://syzkaller.appspot.com/bug?extid=331f5bebb641724ff1f0
<6> 18      No    KCSAN: data-race in __htab_map_lookup_elem / bpf_lru_pop_free
                  https://syzkaller.appspot.com/bug?extid=ad4661d6ca888ce7fe11
<7> 4       No    WARNING in sock_hash_delete_elem (2)
                  https://syzkaller.appspot.com/bug?extid=ca62aaf39105978cd946
<8> 2       No    possible deadlock in xdp_umem_pin_pages
                  https://syzkaller.appspot.com/bug?extid=1b607ee7794bdba65be7

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

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