From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 4E9FD13AA3C for ; Wed, 26 Jun 2024 08:10:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719389405; cv=none; b=eOLa4sOhaDdDZF216nSBEP5LFq30t9xd2Z+dyf18D+YnFHZtwaDOg10hsRyDvN4yvs2SBXCskp8Hfvm64O0sC96CgJxdZKXuAK54v5uis6T+TwBhgKMaXhuduSmSg2J+VvDwj7wBNw+/1OhHj4EW7IElCcIAi//4EkDFC8X9qeQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719389405; c=relaxed/simple; bh=OltwFc/x15/iZLd0YPcbFvGCljpBTFvkv1Q9f3PemFY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=QrEXg2Nfh7itwEggsWXtzJ54GomIZN+yErmKfnBUk3WSqdn4t5ReP0Et/gPGX0u1qCYDdyHjzxlmH77zA0PL+lNK9S+JUwgxFUrc65wgB7KMrNt0t+IGjE6DNiXOim7ohmRgsFd4G8NVnF2212HcXc5oJbgEIyEBDWsOFJed9e0= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-7eee7741583so918678639f.1 for ; Wed, 26 Jun 2024 01:10:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719389403; x=1719994203; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=nQTkJrmhIUVLsdm9nRsFX4x+gNMbnkIJAoN7clXZIC0=; b=MQP/03Vb8til3ogc4vlnJvgwWlMDJAP2LWO59iw/RVMAHL2XoBce3hT0f+mXYRQ/Nw tPLQcASr8ik2UNTErv6yEhH4Zg7JMwzy/bChJkBAF7XSnLKi1MtMwWPSA/tFksUWDP1e M5vm0Q7tPFaHkIIzRjezbGx/FwyJpPLLgN7k64zCKVNMpMTk2aAi1kPuuSQzeaqtnNoC Prmmu5D510cPOZbkwVAvhr+IqpWpnIJ2mdD+H5cpsROGmZRjo9MfIaBCEyVDtey5a8T7 XdLbRPoIRLBGuEY3uPG8YM+HKENjzbMGAGkRkE6+nkirXIgkp6JsRiYcFhfx91nefLtu gN7w== X-Gm-Message-State: AOJu0YwUxD5efyypWeslvMdWgKUMi1Jgm7AVpOVN3ehCufU1kP6FWXTP epGHF4VHNYKPrdcT1J8wETcQjsdsJKpxrVasyKkq/ch0dWS/eU4vS78Wl76ixhghuzI8BzfXw8M 081FobAleBy8HBTI4NaRp60rsfHe8HhULnuw4bdSfdU/pPT8d/a+9KjU= X-Google-Smtp-Source: AGHT+IHOLPKvZgk6NWggpMCqli6tY3jJ3KdHfxIIM8AqmyNcXLfL7K1gS5LgBfc9D0vC5film1MqU9VmqEFe8p3TWB49QqqYzo2f Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:8906:b0:4b9:2bc3:46ba with SMTP id 8926c6da1cb9f-4b9efc00420mr411190173.3.1719389403336; Wed, 26 Jun 2024 01:10:03 -0700 (PDT) Date: Wed, 26 Jun 2024 01:10:03 -0700 In-Reply-To: <20240626080337.32736-1-norbert.kaminski@infogain.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009de4dc061bc68ac3@google.com> Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Read in __ext4_check_dir_entry (2) From: syzbot To: linux-kernel@vger.kernel.org, norbert.kaminski@infogain.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations] orc_dump.c:106:9: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:111:9: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:135:9: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:140:9: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] subcmd-util.h:56:23: error: pointer may be used after 'realloc' [-Werror=use-after-free] subcmd-util.h:58:31: error: pointer may be used after 'realloc' [-Werror=use-after-free] Tested on: commit: e40ff213 ext4: force revalidation of directory pointer.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587 dashboard link: https://syzkaller.appspot.com/bug?extid=11af34d3c0711f233fd4 compiler: Debian clang version 15.0.6 Note: no patches were applied.