From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8087C427F84; Mon, 17 Aug 2026 13:55:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786974939; cv=none; b=CGgpapSJeNslfEBYean3a36Hc9RRf/Db8rbLz+0e7pvlipEVBEBav/p/6j37E9UkO1LRFxseQNmsq8qAJJNv9meAA4fYmMm5eHsIofPqApnVI5WJmCCdC58zxVF0mTZgm0Es+eGm3b55L3Wb+OBu5ONBICQ5hFNNA8QRogZ5+XI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786974939; c=relaxed/simple; bh=nv1G6TXVo1YX5F49mhmoDQO5K7ieNtAlUWbw59R06sg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QUFZqNiuOZXxwKy/hJFEZwSNzZvZlzvPYTvhiq4lmjYOjzi/RpKfmOYlos472uFmfjBq3eEttUgyewXsGyXmO+XzHGTKqPuQwR/poZVKyXHJNf0wQEt86lji0LdasS0BZZFuQlz5KDl6cENTcy+Z6n/SgQZleHfO7HkGGtMiDeY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=k75PKo+L; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="k75PKo+L" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D441A1F00A3F; Mon, 17 Aug 2026 13:55:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786974932; bh=fcciespyxniXtiQrCSu68d30oojsD7X7M6pwvfnNnVY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=k75PKo+LFCGhaWziymR9oPVqthXEXI3gfA2HPZnOr0j9LZoTi/bFWGZQlPdEZAuUT gQbJPp5uhoa7S3VLFSwuqTavP5mlRFUyyN+x5H0q55vDHNxDdq/k/6uwb9L2D6Vxqd /uaK8E3IPRHW1E/giWSHzkxmv+ZufVdywcJEGdIo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Maximilian Immanuel Brandtner , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.18 103/250] tls: dont abort the connection on signal-interrupted sends Date: Mon, 17 Aug 2026 15:31:04 +0200 Message-ID: <20260817132540.742142307@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260817132536.466235697@linuxfoundation.org> References: <20260817132536.466235697@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Maximilian Immanuel Brandtner [ Upstream commit af0e5cdd031f4f4a8f6d4160bfbda4f36872b0ed ] When a signal interrupts a blocking send, tls_tx_records() treats the resulting -ERESTARTSYS as a transmission failure and marks the socket errored via tls_err_abort() with the raw error code. Later syscalls return the kernel-internal errno 512 (ERESTARTSYS) to userspace, as the signal it stems from is no longer pending during syscall exit and thus never translated. An interrupted send is not a connection error: the partially sent record stays queued and is resent later. Interrupt error codes are therefore excluded from the abort in the same way as -EAGAIN. Fixes: b341ca51d267 ("tls: Fix tls_sw_sendmsg error handling") Signed-off-by: Maximilian Immanuel Brandtner Link: https://patch.msgid.link/20260805063109.1772314-1-maxbr@linux.ibm.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/tls/tls_sw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index f19b504efa5d0..0bb710c5fa601 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -458,7 +458,7 @@ int tls_tx_records(struct sock *sk, int flags) } tx_err: - if (rc < 0 && rc != -EAGAIN) + if (rc < 0 && rc != -EAGAIN && rc != -EINTR && rc != -ERESTARTSYS) tls_err_abort(sk, rc); return rc; -- 2.53.0