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

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Message-ID: <3ec0fb06-79a4-403c-8ff8-84f7477ddf1f@kernel.org>
Date: Thu, 21 Nov 2024 11:18:34 +0000
From: Quentin Monnet <qmo@...nel.org>
To: 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()

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!