From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CB43198A25 for ; Tue, 19 Nov 2024 13:40:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732023645; cv=none; b=H7Fcogz+9gH4JISG9SvskfAwVRgkZhSfEh/fqVpkjac2e+Hknb+wc1SSNbiB77G4Tj5Y/lUWwfN7NJ9iirHcLFmvRom5Pgi+9kUJ2gtQa4aFehIvk93B0QBZ1apH/4X5cisU+L3o211TiQT6iAheKo7B0FmNomhJOHsLNonU/1k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732023645; c=relaxed/simple; bh=UWubTqvQ8+9bmHoq48nJ619f0n3IfIBFTN7YX6Fdc+Y=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=B7gETMX6LdMo53AQCv6XW+9Pj7IkZ5VJvbCRXkrZi7HhyR0qYVJP/LE6kqjnHLNDSdjReMW4yt8CdmhXa9jAgmgfIaw4wjK60JuCgefM59+EaVJbo0szVR31UmhBOM2HGqxlRoAzZVK+gPegShtgncPp8xuMYhqIBK4fZ+sj0S4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i3yTw9vT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="i3yTw9vT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2AA9AC4CECF; Tue, 19 Nov 2024 13:40:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732023645; bh=UWubTqvQ8+9bmHoq48nJ619f0n3IfIBFTN7YX6Fdc+Y=; h=From:To:Cc:Subject:Date:From; b=i3yTw9vT/kMbA0+doXFkDqqmy7dqHbEnbeKrtWvExh+BnxFH6KWLjKH2xGQm/+VS2 5Xp55WempugV5sZ6YQTOufa8zHIN36M12fPPCDi/YPu9tn6UXGi5M67keWOyD8Cq0b WqU9GFAGpKJl4oa3l+6JwuOAycoyOCs+dEqYoUbLshlbQMuWLtab3ZsXfeGsdKuo5p 8fDuKQGVy8zwRDUIILlCMK6iDfiuQQo9NexHPEotPmmJMe6+0VSAtKHxZKbhssWsp8 +ZJ/HKDE+dN+s6QfLlfzU3fMJ60mi6U6EhetIYnLBKxrWCVDlCH88qcmeSsWy64RPI bscWj/cu6ETQg== From: Arnaldo Carvalho de Melo To: Alan Maguire Cc: Jiri Olsa , Clark Williams , Kate Carcia , dwarves@vger.kernel.org, Arnaldo Carvalho de Melo , Matthias Schwarzott , Andrii Nakryiko , Eduard Zingerman , Song Liu , Yonghong Song Subject: [PATCH 0/5] Fix segfaults related to missing BTF support Date: Tue, 19 Nov 2024 10:40:27 -0300 Message-ID: <20241119134032.783215-1-acme@kernel.org> X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: dwarves@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sorry for the top post: Only the cover letter ended up reaching the mailing list, so resending to have it there :-\ Hi, While looking for reports to fix before release 1.28 I got to Matthias reports about segfaults in systems where BTF isn't present, so I introduced a regression test and infrastructure to allow testing handling such a system, please take a look. Thanks, - Arnaldo Arnaldo Carvalho de Melo (5): core: Add method to get the vmlinux BTF filename, allow overriding it via env var tests default_vmlinux_btf: Introduce test for using BTF by default pahole: Honour exclusive BTF loading tests default_vmlinux_btf: Cover the no args segfault too core, libctf: Check if constructor arguments are NULL before using them dwarves.c | 33 ++++++++++++++++++++++++++++++--- dwarves.h | 2 ++ libctf.c | 3 +++ man-pages/pahole.1 | 4 ++++ pahole.c | 11 +++++++++-- tests/default_vmlinux_btf.sh | 32 ++++++++++++++++++++++++++++++++ 6 files changed, 80 insertions(+), 5 deletions(-) create mode 100755 tests/default_vmlinux_btf.sh -- 2.47.0