linux-kernel - Re: [PATCH v3] bpftool: fix potential NULL pointer dereferencing in prog

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Message-ID: <673fc25593a24_111820886@john.notmuch>
Date: Thu, 21 Nov 2024 15:29:25 -0800
From: John Fastabend <john.fastabend@...il.com>
To: Quentin Monnet <qmo@...nel.org>, 
 Amir Mohammadi <amirmohammadi1999.am@...il.com>, 
 ast@...nel.org, 
 daniel@...earbox.net, 
 andrii@...nel.org, 
 martin.lau@...ux.dev, 
 eddyz87@...il.com, 
 song@...nel.org, 
 yonghong.song@...ux.dev, 
 john.fastabend@...il.com, 
 kpsingh@...nel.org, 
 sdf@...ichev.me, 
 haoluo@...gle.com, 
 jolsa@...nel.org, 
 bpf@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Cc: Amir Mohammadi <amiremohamadi@...oo.com>
Subject: Re: [PATCH v3] bpftool: fix potential NULL pointer dereferencing in
 prog_dump()

Quentin Monnet wrote:
> 2024-11-21 12:04 UTC+0330 ~ Amir Mohammadi <amirmohammadi1999.am@...il.com>
> > A NULL pointer dereference could occur if ksyms
> > is not properly checked before usage in the prog_dump() function.
> > 
> > Fixes: b053b439b72a ("bpf: libbpf: bpftool: Print bpf_line_info during prog dump")
> > Signed-off-by: Amir Mohammadi <amiremohamadi@...oo.com>
> 
> Reviewed-by: Quentin Monnet <qmo@...nel.org>
> 
> Thanks!

Acked-by: John Fastabend <john.fastabend@...il.com>