From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) (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 145A73AD503 for ; Sat, 3 Oct 2026 11:06:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791025614; cv=none; b=NmtBlWYdacP5fmJdiU54bMDJn6Tikqn56Re4/VV/MkAVoN91s2RaNEJwtkgx1+mOuHLxK//otKt9efnNPAve76JalCQRgS4euasp9Jndgm1/en6lk8GJ2Ih1PZPyngNIB6gsK2zBtNLNNFOLBdRPPxXpq/uRpZBiWv9X54+zwf0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791025614; c=relaxed/simple; bh=ESTstycR0LenaKPzzd7Dskp71flpwtKKA3pqEIkHP6c=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=NERqIutnBivF3BanpaWuIPsPqmO+UJ7xYF7UP356CsujYhhh7cxIF12ielXJS4NqWzm97kLEW0KfFGOQ7lX6rjUHoQPzcLIlvYjFhyxxirVBSFannZIxUrwm0yhtDit9S68oi5KIUvbT6+4Odp911psLbRkydppn49ShIQQ8OGs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f198.google.com with SMTP id 5614622812f47-4b28dafb8e1so34048b6e.2 for ; Sat, 03 Oct 2026 04:06:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791025612; x=1791630412; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=FYk4vttSF+KFf16mLMub9M7cacxhHvZ57D35DNFHl7c=; b=mI6Mq5NLDySlyPLmSEmLlto8uYlZ3HABBqyhLe/wJu6FTgT18cstJ6P+EC52TWRmI/ AMo8WEGCjhnX9ktrFhf42Srt8cWJpYQO5eWj66Kv8zqPxBU6aXtWCkcwrtQU8wjN4/AE yqPyNRaRLmlZNC5Uh2G0pDriBGVNnH7qSHT52sYHt/Ax+6puWnEYDyiKVvz5GGTfRhFV OT4brXp7LtkHj1omDAtFYaERGARy9QdJvU03FLqJcHbD5estriDJg8gb8FlGuIffMAJ5 1DtOxXIsOWhwufoLcYmXu+FfVVPqre9ulNLq4ezL4d+rxWwvigH3V3RsBqvJA/I3okGY 9omQ== X-Gm-Message-State: AFuF++k41JOZSpIokca8Ntz6WogF/4vf9vl8kysDWjkWIJGT8Yt+eYn9 FyZhHlh5YWJRQJ1ZrkQmjKOGnHLGl20cqipkmZBiwUn8jv8JKVVDGj/qAMojiE7m/f9OHAMUpDT 0aH3iEwJAoyPTP3c1GYlkB10LxpHBDHC7AHfwqmcdarnehj2HIPLjCAxuvjU= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1387:b0:4d6:92b3:5c8c with SMTP id 5614622812f47-4f52bbce3ecmr5599767b6e.66.1791025612013; Sat, 03 Oct 2026 04:06:52 -0700 (PDT) Date: Sat, 03 Oct 2026 04:06:51 -0700 In-Reply-To: <6abeecdc.7503fbd6.2d3f6.0010.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ac0e1cb.34119e79.2f92f3.0013.GAE@google.com> Subject: Forwarded: [PATCH v1] Testing for a slub out of bounds From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: [PATCH v1] Testing for a slub out of bounds Author: nsvatoslav515@gmail.com #syz test Signed-off-by: Svyatoslav Nikolenko --- fs/ecryptfs/keystore.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index 51651314b7a6..bd3e025899f7 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -737,6 +737,12 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, "password tokens\n", __func__); goto out_free_unlock; } + if (s->auth_tok->token.password.session_key_encryption_key_bytes > + sizeof(s->auth_tok->token.password.session_key_encryption_key)) { + printk(KERN_ERR "Error FNEK key size too large\n"); + rc = -EINVAL; + goto out_free_unlock; + } md5(s->auth_tok->token.password.session_key_encryption_key, s->auth_tok->token.password.session_key_encryption_key_bytes, -- 2.47.3