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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Aditya Dutt <duttaditya18@gmail.com>
Cc: dwarves@vger.kernel.org, Alan Maguire <alan.maguire@oracle.com>
Subject: Re: [PATCH dwarves 0/2] pahole: Fix -C -T segfault
Date: Thu, 3 Sep 2026 22:33:42 -0300	[thread overview]
Message-ID: <apof9qe3rmRECtUG@x2> (raw)
In-Reply-To: <20260903205659.1543175-1-duttaditya18@gmail.com>

On Fri, Sep 04, 2026 at 02:26:57AM +0530, Aditya Dutt wrote:
> 'formatter' is NULL when -T is given and the -C path calls it, which
> segfaults.
> Patch 2 rejects that, like '-m -C' already does.
> Patch 1 fixes the '-m -C' error, which names '--class' incorrectly.
> 
> -T has set 'formatter' to NULL since commit 286c7740fd98c4df but -C did
> not call formatter until f5857bd34b220a64 (used to call tag__fprintf
> before), so added Fixes tag referencing it. 
> 
> I think support for the combinations '-T -C' and '-m -C' could be added
> in the future.
> 
> Problem with doing that right now is that the counting logic lives in
> the 'class_name == NULL' block that -C skips. And -C stops loading CUs
> once all classes are found.

Thanks, applied, I'll now stop processing patches and release 1.32
tomorrow.

- Arnaldo

      parent reply	other threads:[~2026-09-04  1:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03 20:56 [PATCH dwarves 0/2] pahole: Fix -C -T segfault Aditya Dutt
2026-09-03 20:56 ` [PATCH dwarves 1/2] pahole: Fix option name in the -m/-C error message Aditya Dutt
2026-09-03 20:56 ` [PATCH dwarves 2/2] pahole: Fix -C -T segfault Aditya Dutt
2026-09-04  1:33 ` Arnaldo Carvalho de Melo [this message]

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