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From: Peter Zijlstra <peterz@infradead.org>
To: sdf@google.com
Cc: syzbot <syzbot+b8e8c01c8ade4fe6e48f@syzkaller.appspotmail.com>,
	acme@kernel.org, alexander.shishkin@linux.intel.com,
	bpf@vger.kernel.org, jolsa@kernel.org,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org,
	netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in put_pmu_ctx
Date: Tue, 20 Dec 2022 09:22:47 +0100	[thread overview]
Message-ID: <Y6Fw1ymTcFrMR3Hl@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <Y6C8iQGENUk/XY/A@google.com>

On Mon, Dec 19, 2022 at 11:33:29AM -0800, sdf@google.com wrote:
> On 12/19, Peter Zijlstra wrote:
> > On Mon, Dec 19, 2022 at 12:04:43AM -0800, syzbot wrote:

> > > HEAD commit:    13e3c7793e2f Merge tag 'for-netdev' of
> > https://git.kernel...
> > > git tree:       bpf
> > > console+strace: https://syzkaller.appspot.com/x/log.txt?x=177df7e0480000
> > > kernel config:
> > https://syzkaller.appspot.com/x/.config?x=b0e91ad4b5f69c47
> > > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=b8e8c01c8ade4fe6e48f

^ so syzbot knows what tree and config were used to trigger the report,
then why:

> Let's maybe try it this way:
> 
> #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
> 13e3c7793e2f

do you have to repeat that again in order for it to test something?


  parent reply	other threads:[~2022-12-20  8:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-19  8:04 [syzbot] KASAN: use-after-free Read in put_pmu_ctx syzbot
2022-12-19 14:40 ` Peter Zijlstra
2022-12-19 19:33   ` sdf
2022-12-19 19:56     ` syzbot
2022-12-19 21:33       ` sdf
2022-12-19 22:24         ` syzbot
2022-12-20  8:22     ` Peter Zijlstra [this message]
2022-12-20 17:10       ` Stanislav Fomichev
2022-12-20 19:37         ` syzbot
2022-12-21  2:42   ` Chengming Zhou
2022-12-22 20:59     ` Peter Zijlstra
2022-12-23 10:08       ` Chengming Zhou
2022-12-27 11:51   ` [tip: perf/urgent] perf: Fix use-after-free in error path tip-bot2 for Peter Zijlstra
2022-12-20  8:25 ` [syzbot] KASAN: use-after-free Read in put_pmu_ctx Peter Zijlstra
2022-12-20  8:43   ` syzbot
2022-12-20 10:04     ` Peter Zijlstra
     [not found] <20221219100606.1438-1-hdanton@sina.com>
2022-12-19 10:40 ` syzbot
     [not found] <20221219124321.1504-1-hdanton@sina.com>
2022-12-19 13:15 ` syzbot

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