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* Re: [syzbot] [bpf?] [trace?] possible deadlock in bpf_trace_printk
       [not found] <0000000000006294c805e106db34@google.com>
@ 2023-03-22  9:29 ` syzbot
  2023-03-23  7:50   ` Dmitry Vyukov
  0 siblings, 1 reply; 3+ messages in thread
From: syzbot @ 2023-03-22  9:29 UTC (permalink / raw)
  To: andrii, ast, boqun.feng, bpf, daniel, davem, fgheet255t, haoluo,
	hawk, hdanton, john.fastabend, jolsa, kafai, kpsingh, kuba,
	linux-kernel, linux-trace-kernel, longman, martin.lau, mingo,
	netdev, peterz, rostedt, sdf, song, songliubraving,
	syzkaller-bugs, will, yhs

syzbot suspects this issue was fixed by commit:

commit 05b24ff9b2cfabfcfd951daaa915a036ab53c9e1
Author: Jiri Olsa <jolsa@kernel.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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [syzbot] [bpf?] [trace?] possible deadlock in bpf_trace_printk
  2023-03-22  9:29 ` [syzbot] [bpf?] [trace?] possible deadlock in bpf_trace_printk syzbot
@ 2023-03-23  7:50   ` Dmitry Vyukov
  2023-03-23 11:30     ` Jiri Olsa
  0 siblings, 1 reply; 3+ messages in thread
From: Dmitry Vyukov @ 2023-03-23  7:50 UTC (permalink / raw)
  To: syzbot
  Cc: andrii, ast, boqun.feng, bpf, daniel, davem, fgheet255t, haoluo,
	hawk, hdanton, john.fastabend, jolsa, kafai, kpsingh, kuba,
	linux-kernel, linux-trace-kernel, longman, martin.lau, mingo,
	netdev, peterz, rostedt, sdf, song, songliubraving,
	syzkaller-bugs, will, yhs

On Wed, 22 Mar 2023 at 10:29, syzbot
<syzbot+c49e17557ddb5725583d@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 05b24ff9b2cfabfcfd951daaa915a036ab53c9e1
> Author: Jiri Olsa <jolsa@kernel.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

Looks reasonable:

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [syzbot] [bpf?] [trace?] possible deadlock in bpf_trace_printk
  2023-03-23  7:50   ` Dmitry Vyukov
@ 2023-03-23 11:30     ` Jiri Olsa
  0 siblings, 0 replies; 3+ messages in thread
From: Jiri Olsa @ 2023-03-23 11:30 UTC (permalink / raw)
  To: Dmitry Vyukov
  Cc: syzbot, andrii, ast, boqun.feng, bpf, daniel, davem, fgheet255t,
	haoluo, hawk, hdanton, john.fastabend, kafai, kpsingh, kuba,
	linux-kernel, linux-trace-kernel, longman, martin.lau, mingo,
	netdev, peterz, rostedt, sdf, song, songliubraving,
	syzkaller-bugs, will, yhs

On Thu, Mar 23, 2023 at 08:50:10AM +0100, Dmitry Vyukov wrote:
> On Wed, 22 Mar 2023 at 10:29, syzbot
> <syzbot+c49e17557ddb5725583d@syzkaller.appspotmail.com> wrote:
> >
> > syzbot suspects this issue was fixed by commit:
> >
> > commit 05b24ff9b2cfabfcfd951daaa915a036ab53c9e1
> > Author: Jiri Olsa <jolsa@kernel.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
> 
> Looks reasonable:
> 
> #syz fix: bpf: Prevent bpf program recursion for raw tracepoint probes

agreed, thanks

jirka

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-03-23 11:30 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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     [not found] <0000000000006294c805e106db34@google.com>
2023-03-22  9:29 ` [syzbot] [bpf?] [trace?] possible deadlock in bpf_trace_printk syzbot
2023-03-23  7:50   ` Dmitry Vyukov
2023-03-23 11:30     ` Jiri Olsa

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