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 A46BBC13C; Thu, 28 Nov 2024 00:22:48 +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=1732753368; cv=none; b=JbZD92xO2i4TpQC8oPg4vEAiGtw6et3rqHmAfbrojkK6VNMaq+bvnXXZ1l8xQd8WBitb5b4aWYbTqpBcP4lE7NmR6jLICaPvuD2mIlP5CbRtL2wQiaoajgphZ7aw7qOgcNq6VuY2qWmk76vSpd0+CvaE/GREZE7oLoV57wcVGzw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732753368; c=relaxed/simple; bh=NAvzS1la58MsCAs+tIAji3uWK09yaPkkU4Fofom7ntE=; h=Date:To:From:Subject:Message-Id; b=sWbGu2gnuB0As6fVd5NexhrQZhDfFX+Wcv0qXyGY3jPi/os0z97qhoNApxzcmBcN2T4HzFK7dTnl6TklHedHm0C2bf6gT0SzPt00sRVzlvdj6boyQ4RKqMJxerfbQhzjvOXNXabd4IFbsQKfPs0DZmR4c6LIIaOoFOgG+4W73B8= 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=G1ZgMkns; 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="G1ZgMkns" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08AD8C4CECC; Thu, 28 Nov 2024 00:22:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1732753368; bh=NAvzS1la58MsCAs+tIAji3uWK09yaPkkU4Fofom7ntE=; h=Date:To:From:Subject:From; b=G1ZgMknsAr7rPco9EBxdRbIB2rQovqWVlolZQTppgVw3+NGfNvhZTlR04CCtlcF9y 93kgJY/GEgN5Z0BpobbXzyJyhCD2f8Bl5pKLJrVkXwmOIcR4YHUyKeOEPzL8gFdzeb c2pZzIpzLLz+DtPgUUEkPSyadg/MOef676bumFfQ= Date: Wed, 27 Nov 2024 16:22:47 -0800 To: mm-commits@vger.kernel.org,stable@vger.kernel.org,hca@linux.ibm.com,brauner@kernel.org,agordeev@linux.ibm.com,jolsa@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged] fs-proc-kcorec-clear-ret-value-in-read_kcore_iter-after-successful-iov_iter_zero.patch removed from -mm tree Message-Id: <20241128002248.08AD8C4CECC@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: fs/proc/kcore.c: clear ret value in read_kcore_iter after successful iov_iter_zero has been removed from the -mm tree. Its filename was fs-proc-kcorec-clear-ret-value-in-read_kcore_iter-after-successful-iov_iter_zero.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Jiri Olsa Subject: fs/proc/kcore.c: clear ret value in read_kcore_iter after successful iov_iter_zero Date: Fri, 22 Nov 2024 00:11:18 +0100 If iov_iter_zero succeeds after failed copy_from_kernel_nofault, we need to reset the ret value to zero otherwise it will be returned as final return value of read_kcore_iter. This fixes objdump -d dump over /proc/kcore for me. Link: https://lkml.kernel.org/r/20241121231118.3212000-1-jolsa@kernel.org Fixes: 3d5854d75e31 ("fs/proc/kcore.c: allow translation of physical memory addresses") Signed-off-by: Jiri Olsa Cc: Alexander Gordeev Cc: Christian Brauner Cc: Cc: Signed-off-by: Andrew Morton --- fs/proc/kcore.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/proc/kcore.c~fs-proc-kcorec-clear-ret-value-in-read_kcore_iter-after-successful-iov_iter_zero +++ a/fs/proc/kcore.c @@ -600,6 +600,7 @@ static ssize_t read_kcore_iter(struct ki ret = -EFAULT; goto out; } + ret = 0; /* * We know the bounce buffer is safe to copy from, so * use _copy_to_iter() directly. _ Patches currently in -mm which might be from jolsa@kernel.org are