From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 540C5130499 for ; Tue, 21 May 2024 14:24:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716301482; cv=none; b=SIKUfYliamFPiSSNuGhpoVpPMEmuTrD6oD5wcLtrxCkcoIhIbqRTENcfDcktj4CEeg4cMNrHqLTLK6tE5s5Jny41h/J0XxI0eYc8luxVCSAv4sPWX/dA9i1pvBZRGPHUKS3E8eY4EBRwHOMAfTs0oYIgq3k+2hGI7f8qAf36N0I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716301482; c=relaxed/simple; bh=ecwQ1WESfS0Bg99iSTlfh+kjjj2JtCaqcwh6YNrIDzs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=USKWs+MOkACdXcsc48WK5R8dNqYmFWiXTn/6hNcF+VX85TgZuToFYAlceYkWLSjhN5uUywJFL/dX6aXjkzMZkn9LW87GIey3ETauuX9x2eOV7lGmsz63tdTks+OIQzB6GEK0ppScBYrYOKZ1APpoTSrhyHrTQ6dr38nRIihNqq4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=eanynEOK; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eanynEOK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716301480; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=h51fvV2Q63ftj3Ef8Qq5geaM49/S6D9fR9Vo3faaDr8=; b=eanynEOKVXGlZdFcaukCyrNpMqUmBdturCvzYhH9Y8biNZxSroqk5bJR6B0F4xkx0vp17A aAgXoN+XZNsIhEmtAgm3qQgAIF/apWJHI/WHv6ncanZ+f1o0DDcafRdsXf/lC583SB/4LK Z8z+A7zTxFK99eDPolk2plVo6xQR15c= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-212-guMog13wMtOg8Q3jV0IpxA-1; Tue, 21 May 2024 10:24:38 -0400 X-MC-Unique: guMog13wMtOg8Q3jV0IpxA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 08252101A551; Tue, 21 May 2024 14:24:38 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.224.64]) by smtp.corp.redhat.com (Postfix) with SMTP id 4867E103A3AF; Tue, 21 May 2024 14:24:36 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 21 May 2024 16:23:11 +0200 (CEST) Date: Tue, 21 May 2024 16:23:08 +0200 From: Oleg Nesterov To: Andrii Nakryiko Cc: linux-trace-kernel@vger.kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, bpf@vger.kernel.org, jolsa@kernel.org, Breno Leitao Subject: Re: [PATCH] uprobes: prevent mutex_lock() under rcu_read_lock() Message-ID: <20240521142308.GB19434@redhat.com> References: <20240521053017.3708530-1-andrii@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240521053017.3708530-1-andrii@kernel.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 On 05/20, Andrii Nakryiko wrote: > > Fixes: 1b8f85defbc8 ("uprobes: prepare uprobe args buffer lazily") > Reported-by: Breno Leitao > Signed-off-by: Andrii Nakryiko > --- > kernel/trace/trace_uprobe.c | 14 +++++++++----- > 1 file changed, 9 insertions(+), 5 deletions(-) Reviewed-by: Oleg Nesterov