From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (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 0FE754E4331 for ; Wed, 30 Sep 2026 13:53:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790776393; cv=none; b=CwN+QZ4nqULtam0DfV7gLL0y41FWVex/0jC+jALevxi0rSjqarZuUBdDsemoNx5zQWDrFOliCjkfBpOW69eRcEgQnvGGu4EVE6T732ian5VQi3HCXNEA0fbCrjEIsxWiED2SrEWp8vZzqkVUu+1vOSUYPgRYDncDoystAEMqajA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790776393; c=relaxed/simple; bh=9blzCtgxCzE/Jwtc4BAUwBnUJ6C1iatIsMFk6O4vdNY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=rqpBIkIVpfvOjqQGT1rg0pC/uPyx1rkkLXxk6BNGHn0KNTx1gRCdwnn3a73pK2G+1U3+3imFDbb9vUbJVM3yZx9jw16wCGcGL2W8qNvykk1eC0jk4mbkiFX9QQuAM5SeOAC1W7N1oTN2fGE7NaDTEw9RmMjvgO/U6kjoo7M3ThI= 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=209.85.167.199 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-f199.google.com with SMTP id 5614622812f47-4b28dbf4197so9463855b6e.2 for ; Wed, 30 Sep 2026 06:53:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790776382; x=1791381182; 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=H0onscU5fvyN7BYkWTQW0c+6+hHIAQ3Uiw/oq/ubFgs=; b=f4jzh67pLgdUIDQa/vMNCQQbU5AVzabRHMC7EWffISpWKOq/q7TzEmv0orkMEMLaTU h79Wtdnd2doeMaGZb6csvydgzh/v5jYjRzdpeckgBUEZuGb8+V0VffPX/rASXCNEwRnN rvo/UhZmdsFz3ABNqe1Sx9JcwkNb0JYAQhIN9ePCC3nKkq/kbUi250MQ3w4Z17y0JL8p panZLTrkVkQ0cEYVAQhdxjnLKQvJAz5P0o5UyvjyILlMsChXfPtO6SnT4ssPd9aFn3dF 9ZxLFKe4kZUMoVD0kXg0DT3ip+PoxnBTZq+/BiNVZbchV/a5V2MZhYYL2gPFgT9Mpmx+ AAGg== X-Forwarded-Encrypted: i=1; AKwUvBySH1fXXbzUtxUY2qFZZkq5s/pn0+COgXc58sBBzYfriQHMBL+ep4I8SZUX/8ivhvfQiwb6t2zuzu7vvf8=@vger.kernel.org X-Gm-Message-State: AFuF++n+W07e3TkYMtJ4FNB+CIAFv7dPoIhdX6bNZ6MU5WP/j/aafG4B ozjPU6OUDyGaHooj0OVqejagE4Qwj6OBHOxgp/RuEKIfbaWNtjCKFZtwW3KU8UjMiPe4BsMa2Kc NzSyg2BzKhzNs5mywPyG7F9D5hONGRh9yevm8yYmT2nU4ceLTbQX9a1hoX+8= 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:eca:b0:4e6:fdeb:934e with SMTP id 5614622812f47-4f1b0d0b5d0mr1304153b6e.6.1790776382127; Wed, 30 Sep 2026 06:53:02 -0700 (PDT) Date: Wed, 30 Sep 2026 06:53:02 -0700 In-Reply-To: <784ebcc3-2d37-4640-88fa-3385a646c2d5@kernel.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6abd143e.fac9d4e5.17396.0003.GAE@google.com> Subject: Re: [syzbot] [f2fs?] UBSAN: shift-out-of-bounds in __f2fs_commit_super From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+dfcbc1741488709db4b2@syzkaller.appspotmail.com Tested-by: syzbot+dfcbc1741488709db4b2@syzkaller.appspotmail.com Tested on: commit: 7d114d27 f2fs: fix to set sbi->log_blocksize in advance git tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git bugfix/common console output: https://syzkaller.appspot.com/x/log.txt?x=17652b15580000 kernel config: https://syzkaller.appspot.com/x/.config?x=40ee55a747aeff44 dashboard link: https://syzkaller.appspot.com/bug?extid=dfcbc1741488709db4b2 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.