From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1C3125D540 for ; Sat, 25 Oct 2025 21:18:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761427097; cv=none; b=A02a6vwnimbumle4NnzhCNgaM61Gz92xboo9Rk5ztxElnX8qczxPX/mq330w7pbcghTPADV83vy5Rm81uc+Pps8Py887g/KE77q1fhPm1C+QiytnKgTcfZrIhdOjg+c5ijgbrc4UKCa0NDP08wLZBkh9DoLWkDoOQPSCAH4YHyU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761427097; c=relaxed/simple; bh=3bsFJNE4DE47AGrHwWCWsH5kkVM8VML79+gkO8TWy4Y=; h=From:Date:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eFp/V65fd49E4B79zIllR0J9/H5xmFCQiFYiw4i20e4UyVhVkn5JP/qrf+22E2cvj6IAe7qqNQ6vEndhHYzfOQE2TqMGDQv3qJnpS1YRyT/JTPt9JDzWFhQ2srvL4G7Q8GQMcodMa/l0Zp4KDMVuIpYzm7dPng+sqB/ptqI3/Ko= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=mZEX4CE+; arc=none smtp.client-ip=209.85.128.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mZEX4CE+" Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-475dbb524e4so5512575e9.2 for ; Sat, 25 Oct 2025 14:18:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761427093; x=1762031893; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:date:from:from:to:cc:subject:date:message-id:reply-to; bh=3c1WBcRxq8wi3EgsqQk7zV+qxOcJsiv7FtZH/pCDIvU=; b=mZEX4CE+Evz7rK6n13uoO+oaBt/vTGBXt6fMM7JWaD83VHSqUwqR8XS9AA/Ol8qIhc 4GcmTV3pvquzRxqc2hPUKAsiT8jDcLxBsbBTf1V+HLskARyMqjmeRWROkDCf5VoRc/NT gyE6puY26dU+BDRxJriQfusveL7gHfG2lAMSWoa5CRsbQkDUAzZOrYpQVvfW6TxlfLWF 39Vex8olo0zFL91ltxC3ncEYXDLSlumoL0JPGv/gIEyNz33LJ0mtUnZwEKVTG64JNkgi DnjcdRQlnJdypsllSllkeo+c/+PV7PDeQGXB+ZEfNKr+oRJi45h5FF6zKVY2ngPbqoDt dscw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761427093; x=1762031893; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:date:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=3c1WBcRxq8wi3EgsqQk7zV+qxOcJsiv7FtZH/pCDIvU=; b=Mgcr3de6v53TlPaZfxLu/8DD70WefHnwIaUoYEdxqZKv36BflmGCW4BFHwaQYtt32Z hUEDDZRrJWIBhtlE2BIq2R1bEY5fsA51E3Ylm27p7VliNFjJHrGsZO2EWAAMP2YAQ68S 4psPCYA7yNIDfur+Wib/CgYsiH+Ve3Tyx0ng5sION4CmwpdGoUBKec7eSePwRxAaFsx7 P7GrqsqkpuSVIfenB6F8YRVlob2ln2au7e8f1LSF9IZxD0sKVb+W4csQRGldRt4gaS0/ lgR7BqtB2NuTfnr65d+twjx1PDatQ1htIQN1QQqkDpbIw+fUYqwcZHErhG5lKRcw0ycQ RNfw== X-Forwarded-Encrypted: i=1; AJvYcCUA76flUy8gxiRV+AGzXWNM64Y1Hp17jLi1M38CVkErcypnsAXvdb5sACVM0ye4IpU9QPbB3ZGJBNskDNKD+vA=@vger.kernel.org X-Gm-Message-State: AOJu0Yw96wuf/fnEteKRlPb/pKji12JL7H8oZky4x7s0rqeazSNMuH4V VBVS3bof/a+l7hUYxGGEG5pbB2W/eWTZ4WXLmev9rSeqBAV/0LR3PFHB X-Gm-Gg: ASbGncveWNMBxzS7b/0jbB4xb11zsOHXYHy5eg8rQqV6na+wq52/8anfsZzqyzVxEMx 4zQPRArFXgSV9+HsZShrqFYq1MToQFxaOwoTT2GWxJTiKpp/O5fdwL7/mMoBIYKrXTAHSzrAIO1 myV8xUzRxTRwuFX+9uemXZqanwcSYtZVFIdriJ2c6bT8YUvn01Cx3BDgWkzbDGp38RR9C3gLt1o MkaL49MsOo0zV97Yh3bHbB5zSOjbd3P/lV7uWYie6E1jK3k8EG4p+ynIFKVR7WOsWIvozdyNxUl KeKb4cXrUVrRDCgf3x60wxQKGY5cWFWveSLxiOJunUx/nDPW+mKwGW8CPm/qqI3QJ0gnGTLRvEt 2uaOYUU6pTaNQpyCPzqMBIAkyXu+79sSVKEA6EFn4iMhMtDSR99n+TPw0uDd+IwM5UU3ikLGbdg U= X-Google-Smtp-Source: AGHT+IEKmGV6iwycAf4O/Au0c79Uf5s26+e12RwvflkfNHz45yscxbt7voylHffu4v/BbZtKilFDgg== X-Received: by 2002:a05:600c:64c3:b0:477:ad4:4920 with SMTP id 5b1f17b1804b1-4770ad449b4mr8309285e9.10.1761427093382; Sat, 25 Oct 2025 14:18:13 -0700 (PDT) Received: from krava ([176.74.159.170]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952db964sm5427322f8f.33.2025.10.25.14.18.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Oct 2025 14:18:12 -0700 (PDT) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Sat, 25 Oct 2025 23:18:11 +0200 To: Nirbhay Sharma Cc: Kees Cook , Shuah Khan , Andy Lutomirski , Will Drewry , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, khalid@kernel.org, david.hunter.linux@gmail.com, linux-kernel-mentees@lists.linuxfoundation.org Subject: Re: [PATCH] selftests/seccomp: fix pointer type mismatch in UPROBE test Message-ID: References: <20251025184903.154755-2-nirbhay.lkd@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@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: <20251025184903.154755-2-nirbhay.lkd@gmail.com> On Sun, Oct 26, 2025 at 12:19:04AM +0530, Nirbhay Sharma wrote: > Fix compilation error in UPROBE_setup caused by pointer type mismatch > in ternary expression. The probed_uretprobe and probed_uprobe function > pointers have different type attributes (__attribute__((nocf_check))), just probed_uprobe right? > which causes the conditional operator to fail with: > > seccomp_bpf.c:5175:74: error: pointer type mismatch in conditional > expression [-Wincompatible-pointer-types] curious what compiler do you see that with? gcc-15 is silent, the change looks good to me thanks, jirka > > Cast both function pointers to 'const void *' to match the expected > parameter type of get_uprobe_offset(), resolving the type mismatch > while preserving the function selection logic. > > Signed-off-by: Nirbhay Sharma > --- > tools/testing/selftests/seccomp/seccomp_bpf.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c > index 874f17763536..e13ffe18ef95 100644 > --- a/tools/testing/selftests/seccomp/seccomp_bpf.c > +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c > @@ -5172,7 +5172,8 @@ FIXTURE_SETUP(UPROBE) > ASSERT_GE(bit, 0); > } > > - offset = get_uprobe_offset(variant->uretprobe ? probed_uretprobe : probed_uprobe); > + offset = get_uprobe_offset(variant->uretprobe ? > + (const void *)probed_uretprobe : (const void *)probed_uprobe); > ASSERT_GE(offset, 0); > > if (variant->uretprobe) > -- > 2.48.1 > >