linux-kernel - Re: [PATCH 6.1] softirq: Add trace points for tasklet entry/exit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CANDhNCr3E3nUjwYqFq1aC9P-EkX6iPs-X857wwN+a_QK9q7u4g@mail.gmail.com>
Date: Thu, 21 Aug 2025 11:54:50 -0700
From: John Stultz <jstultz@...gle.com>
To: Sumanth Gavini <sumanth.gavini@...oo.com>
Cc: boqun.feng@...il.com, clingutla@...eaurora.org, elavila@...gle.com, 
	gregkh@...uxfoundation.org, kprateek.nayak@....com, 
	linux-kernel@...r.kernel.org, mhiramat@...nel.org, mingo@...nel.org, 
	rostedt@...dmis.org, ryotkkr98@...il.com, sashal@...nel.org, 
	stable@...r.kernel.org, tglx@...utronix.de
Subject: Re: [PATCH 6.1] softirq: Add trace points for tasklet entry/exit

On Thu, Aug 21, 2025 at 11:41 AM Sumanth Gavini
<sumanth.gavini@...oo.com> wrote:
>
> Hi All,
>
> Just following up on my patch submitted with subject "Subject: [PATCH 6.1] softirq: Add trace points for tasklet entry/exit".
>
> Original message: https://lore.kernel.org/all/20250812161755.609600-1-sumanth.gavini@yahoo.com/
>
> Would you have any feedback on this change? I'd be happy to address any comments or concerns.
>
> This patch fixes this three bugs
> 1. https://syzkaller.appspot.com/bug?extid=5284a86a0b0a31ab266a
> 2. https://syzkaller.appspot.com/bug?extid=296695c8ae3c7da3d511
> 3. https://syzkaller.appspot.com/bug?extid=97f2ac670e5e7a3b48e4

How does a patch adding a tracepoint fix the bugs highlighted here?
It seems maybe it would help in debugging those issues, but I'm not
sure I see how it would fix them.

thanks
-john