* 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
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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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