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 559772D6407; Sun, 1 Mar 2026 01:52:15 +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=1772329935; cv=none; b=P7pEgmj+lf8vOWhyGSTQY+ia5rg3J9ArZ+4gXYeIuygKGF8/dT+Sx7DZdn2VP0sGB5cyzNhi46Qs/VY23jmLVgTe9DVQAUrb3nErbAq8eKoq3T7+xQ5JsM8/BplBgMOlyZROeLm3k9eRtlJGIwdZUq7AwHKj1MJ9ubl197NFMmA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772329935; c=relaxed/simple; bh=2l70HZ/C21/Bad7P3700AUFAg3dG0VJ8XTj4zUf9ZU8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=kDBK6N3RZLUEd7+VZ5mpp0+ORaMLP+xBp4/klKtvI8rioN8efza+LnQU1fRA1uy/zSkKo3E0CG/0rIKoK2P7qimoOoH+3teu7i1Rl6nouUT3vRrbmiGyLE8GFugvw1QkRu2PN/RZtvXzNK0hBJLzutC91ZEysvDnRliqBrtwDb8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=m2Z2awUe; 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="m2Z2awUe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D8CFC19421; Sun, 1 Mar 2026 01:52:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772329935; bh=2l70HZ/C21/Bad7P3700AUFAg3dG0VJ8XTj4zUf9ZU8=; h=From:To:Cc:Subject:Date:From; b=m2Z2awUenTj1LTqEtzg1Z90xtz2ONrsYG6RFOlj8C2bsxPasakgaEN0KcENYoih/g /nQud6rrcVVD+Yd8zTiGLnn5RXXx/YzLTFrigmNVHv+eqYQH+bUA0eBvCbG/DwASiN YjjC5HGehA9xZkpxr9Bu6tBoeBvmK2CHYtlEusdN2yc3H5HWKar3pm7sCu8LCxPoy7 5yM08nBCHCPcwm4a7h7glVjiMwVIFVRsHAzS/1K1QGNGf9vVMWpV8h/grfD69FKiZ0 eNf6VYYTKxmCm9QYiuDB14YJCfBCtYIQAlPcp/Ey+lIsML0aEQRFTFRpc9WrdCJNp8 ro+mt7Ac2YqJA== From: Sasha Levin To: stable@vger.kernel.org, harshit.m.mogalapalli@oracle.com Cc: Mimi Zohar , Alexander Graf , Ard Biesheuvel , Baoquan He , Borislav Betkov , guoweikang , Henry Willard , "H. Peter Anvin" , Ingo Molnar , Jiri Bohac , Joel Granados , Jonathan McDowell , Mike Rapoport , Paul Webb , Sohil Mehta , Sourabh Jain , Thomas Gleinxer , Yifei Liu , Andrew Morton , devicetree@vger.kernel.org Subject: FAILED: Patch "of/kexec: refactor ima_get_kexec_buffer() to use ima_validate_range()" failed to apply to 5.15-stable tree Date: Sat, 28 Feb 2026 20:52:11 -0500 Message-ID: <20260301015212.1718664-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 4d02233235ed0450de9c10fcdcf3484e3c9401ce Mon Sep 17 00:00:00 2001 From: Harshit Mogalapalli Date: Tue, 30 Dec 2025 22:16:08 -0800 Subject: [PATCH] of/kexec: refactor ima_get_kexec_buffer() to use ima_validate_range() Refactor the OF/DT ima_get_kexec_buffer() to use a generic helper to validate the address range. No functional change intended. Link: https://lkml.kernel.org/r/20251231061609.907170-3-harshit.m.mogalapalli@oracle.com Signed-off-by: Harshit Mogalapalli Reviewed-by: Mimi Zohar Cc: Alexander Graf Cc: Ard Biesheuvel Cc: Baoquan He Cc: Borislav Betkov Cc: guoweikang Cc: Henry Willard Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Jiri Bohac Cc: Joel Granados Cc: Jonathan McDowell Cc: Mike Rapoport Cc: Paul Webb Cc: Sohil Mehta Cc: Sourabh Jain Cc: Thomas Gleinxer Cc: Yifei Liu Cc: Signed-off-by: Andrew Morton --- drivers/of/kexec.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/of/kexec.c b/drivers/of/kexec.c index 1ee2d31816aeb..c4cf3552c0183 100644 --- a/drivers/of/kexec.c +++ b/drivers/of/kexec.c @@ -128,7 +128,6 @@ int __init ima_get_kexec_buffer(void **addr, size_t *size) { int ret, len; unsigned long tmp_addr; - unsigned long start_pfn, end_pfn; size_t tmp_size; const void *prop; @@ -144,17 +143,9 @@ int __init ima_get_kexec_buffer(void **addr, size_t *size) if (!tmp_size) return -ENOENT; - /* - * Calculate the PFNs for the buffer and ensure - * they are with in addressable memory. - */ - start_pfn = PHYS_PFN(tmp_addr); - end_pfn = PHYS_PFN(tmp_addr + tmp_size - 1); - if (!page_is_ram(start_pfn) || !page_is_ram(end_pfn)) { - pr_warn("IMA buffer at 0x%lx, size = 0x%zx beyond memory\n", - tmp_addr, tmp_size); - return -EINVAL; - } + ret = ima_validate_range(tmp_addr, tmp_size); + if (ret) + return ret; *addr = __va(tmp_addr); *size = tmp_size; -- 2.51.0