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Message-ID: <000000000000690cbc05f779cba8@google.com>
Date:   Wed, 22 Mar 2023 02:29:19 -0700
From:   syzbot <syzbot+c49e17557ddb5725583d@...kaller.appspotmail.com>
To:     andrii@...nel.org, ast@...nel.org, boqun.feng@...il.com,
        bpf@...r.kernel.org, daniel@...earbox.net, davem@...emloft.net,
        fgheet255t@...il.com, haoluo@...gle.com, hawk@...nel.org,
        hdanton@...a.com, john.fastabend@...il.com, jolsa@...nel.org,
        kafai@...com, kpsingh@...nel.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        longman@...hat.com, martin.lau@...ux.dev, mingo@...hat.com,
        netdev@...r.kernel.org, peterz@...radead.org, rostedt@...dmis.org,
        sdf@...gle.com, song@...nel.org, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, will@...nel.org, yhs@...com
Subject: Re: [syzbot] [bpf?] [trace?] possible deadlock in bpf_trace_printk

syzbot suspects this issue was fixed by commit:

commit 05b24ff9b2cfabfcfd951daaa915a036ab53c9e1
Author: Jiri Olsa <jolsa@...nel.org>
Date:   Fri Sep 16 07:19:14 2022 +0000

    bpf: Prevent bpf program recursion for raw tracepoint probes

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10a653d6c80000
start commit:   a335366bad13 Merge tag 'gpio-fixes-for-v6.0-rc6' of git://..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=9e66520f224211a2
dashboard link: https://syzkaller.appspot.com/bug?extid=c49e17557ddb5725583d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16e27480880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12737fbf080000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: bpf: Prevent bpf program recursion for raw tracepoint probes

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

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