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Message-ID: <CAG48ez2VAMZ2K8AvWL0UoEvFCaKEzVYbaJ=syezoXj9Y_P5UVw@mail.gmail.com>
Date: Fri, 18 Oct 2024 17:42:39 +0200
From: Jann Horn <jannh@...gle.com>
To: syzbot <syzbot+f24dd060c1911fe54c85@...kaller.appspotmail.com>
Cc: andreyknvl@...il.com, daniel.lezcano@...aro.org, elver@...gle.com,
linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, lukasz.luba@....com,
rafael@...nel.org, rui.zhang@...el.com, syzkaller-bugs@...glegroups.com,
vbabka@...e.cz
Subject: Re: [syzbot] [pm?] WARNING in thermal_thresholds_flush
On Fri, Oct 18, 2024 at 3:21 PM syzbot
<syzbot+f24dd060c1911fe54c85@...kaller.appspotmail.com> wrote:
>
> syzbot has bisected this issue to:
>
> commit b8c8ba73c68bb3c3e9dad22f488b86c540c839f9
> Author: Jann Horn <jannh@...gle.com>
> Date: Fri Aug 9 15:36:56 2024 +0000
>
> slub: Introduce CONFIG_SLUB_RCU_DEBUG
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14cc4c5f980000
> start commit: 15e7d45e786a Add linux-next specific files for 20241016
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=12cc4c5f980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=c36416f1c54640c0
> dashboard link: https://syzkaller.appspot.com/bug?extid=f24dd060c1911fe54c85
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1192f887980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1417e830580000
>
> Reported-by: syzbot+f24dd060c1911fe54c85@...kaller.appspotmail.com
> Fixes: b8c8ba73c68b ("slub: Introduce CONFIG_SLUB_RCU_DEBUG")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
This looks like a bogus bisection - the blamed commit was already in
v6.12-rc1, while the file that contains this warning
(drivers/thermal/thermal_thresholds.c) doesn't even exist in mainline
yet.
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