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 B266A189915 for ; Wed, 6 Nov 2024 01:13:33 +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=1730855613; cv=none; b=oJiT6Mur1eggJR142pXbH452K+KwvYlMQoiHTZvRL4UtpbAy4j+PrrjvMFA9oPsY0wJQiygq2z+kEJF58/DYVpR25m+BcIy5YXC8xFhGaKJXW6hVZKKc3qVR/EJSF0CgQSuvP06jdd14tcUUOBiIPo8PfbfFB69UBh3pX2Ib6Xs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730855613; c=relaxed/simple; bh=VKNlF3P7TSfXVl1AcIhJ64TJ9HN15M+bZTaysGZ7ZwI=; h=Date:To:From:Subject:Message-Id; b=BIrSBYIMBZT57/GO2lKZpOMgv7TsvTJx9LD0W8eGDe3SHLmCGV5qJucVyxwmuqivGYUxgaRAfxgYjbpPzMkc1aj+OeQBq2TwOOn2P4nlp76/BogF+uanDDCbttOo+NVq2B0SngidzromtSXSEsOUS+yM0kJ7btm3A5/kgHvjLIs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=i6G48GIZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="i6G48GIZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F6CEC4CECF; Wed, 6 Nov 2024 01:13:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1730855613; bh=VKNlF3P7TSfXVl1AcIhJ64TJ9HN15M+bZTaysGZ7ZwI=; h=Date:To:From:Subject:From; b=i6G48GIZDqdURV1m2FhaHa0NhYV4I4PVlDQQnSGXMfwANwwtQ4pv5qz70SnAkSpOF ufgTmJZGj+qXOcQiDquer02CHNtjIcYYv4x+bgWVuheWV0cckFXU/yNQUthcji608Y 1Wr51muihKT+ChDMyxZwLyMaJ20pEnA5SwclCBKA= Date: Tue, 05 Nov 2024 17:13:32 -0800 To: mm-commits@vger.kernel.org,willy@infradead.org,viro@zeniv.linux.org.uk,tzimmermann@suse.de,torvalds@linux-foundation.org,stephen.smalley.work@gmail.com,serge@hallyn.com,rostedt@goodmis.org,qmo@kernel.org,penguin-kernel@I-love.SAKURA.ne.jp,paul@paul-moore.com,omosnace@redhat.com,mripard@kernel.org,matus.jokay@stuba.sk,maarten.lankhorst@linux.intel.com,keescook@chromium.org,justinstitt@google.com,jmorris@namei.org,jack@suse.cz,horms@kernel.org,eparis@redhat.com,ebiederm@xmission.com,daniel.vetter@ffwll.ch,catalin.marinas@arm.com,brauner@kernel.org,andy.shevchenko@gmail.com,alx@kernel.org,alexei.starovoitov@gmail.com,airlied@gmail.com,laoar.shao@gmail.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-nonmm-stable] bpftool-ensure-task-comm-is-always-nul-terminated.patch removed from -mm tree Message-Id: <20241106011333.3F6CEC4CECF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: bpftool: ensure task comm is always NUL-terminated has been removed from the -mm tree. Its filename was bpftool-ensure-task-comm-is-always-nul-terminated.patch This patch was dropped because it was merged into the mm-nonmm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Yafang Shao Subject: bpftool: ensure task comm is always NUL-terminated Date: Mon, 7 Oct 2024 22:49:08 +0800 Let's explicitly ensure the destination string is NUL-terminated. This way, it won't be affected by changes to the source string. Link: https://lkml.kernel.org/r/20241007144911.27693-5-laoar.shao@gmail.com Signed-off-by: Yafang Shao Reviewed-by: Quentin Monnet Cc: Alejandro Colomar Cc: Alexander Viro Cc: Alexei Starovoitov Cc: Andy Shevchenko Cc: Catalin Marinas Cc: Christian Brauner Cc: Daniel Vetter Cc: David Airlie Cc: Eric Biederman Cc: Eric Paris Cc: James Morris Cc: Jan Kara Cc: Justin Stitt Cc: Kees Cook Cc: Linus Torvalds Cc: Maarten Lankhorst Cc: Matthew Wilcox Cc: Matus Jokay Cc: Maxime Ripard Cc: Ondrej Mosnacek Cc: Paul Moore Cc: "Serge E. Hallyn" Cc: Simon Horman Cc: Stephen Smalley Cc: Steven Rostedt (Google) Cc: Tetsuo Handa Cc: Thomas Zimmermann Signed-off-by: Andrew Morton --- tools/bpf/bpftool/pids.c | 2 ++ 1 file changed, 2 insertions(+) --- a/tools/bpf/bpftool/pids.c~bpftool-ensure-task-comm-is-always-nul-terminated +++ a/tools/bpf/bpftool/pids.c @@ -54,6 +54,7 @@ static void add_ref(struct hashmap *map, ref = &refs->refs[refs->ref_cnt]; ref->pid = e->pid; memcpy(ref->comm, e->comm, sizeof(ref->comm)); + ref->comm[sizeof(ref->comm) - 1] = '\0'; refs->ref_cnt++; return; @@ -77,6 +78,7 @@ static void add_ref(struct hashmap *map, ref = &refs->refs[0]; ref->pid = e->pid; memcpy(ref->comm, e->comm, sizeof(ref->comm)); + ref->comm[sizeof(ref->comm) - 1] = '\0'; refs->ref_cnt = 1; refs->has_bpf_cookie = e->has_bpf_cookie; refs->bpf_cookie = e->bpf_cookie; _ Patches currently in -mm which might be from laoar.shao@gmail.com are