Re: [syzbot] [bpf?] WARNING in bpf_check (4)

syzbot has bisected this issue to:

commit 0df1a55afa832f463f9ad68ddc5de92230f1bc8a
Author: Paul Chaignon [off-list ref]
Date:   Tue Jul 1 18:36:15 2025 +0000

    bpf: Warn on internal verifier errors

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17014bd4580000
start commit:   cce3fee729ee selftests/bpf: Enable dynptr/test_probe_read_..
git tree:       bpf-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14814bd4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10814bd4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=79da270cec5ffd65
dashboard link: https://syzkaller.appspot.com/bug?extid=0ef84a7bdf5301d4cbec
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=109df88c580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11705770580000

Reported-by: syzbot+0ef84a7bdf5301d4cbec@syzkaller.appspotmail.com
Fixes: 0df1a55afa83 ("bpf: Warn on internal verifier errors")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection