From nobody Thu Apr 2 14:10:32 2026 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 C077D31AA9B for ; Sat, 28 Mar 2026 01:19:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774660766; cv=none; b=E4i8pBHz7XL6gN8N+ZMsIEsKpmug48iTmQiC1QNuDnDfaa9RJZPdKhUB4U7VlLJYtSTdeU5cykq8pkttLP2TOonNAuqME1IUfpo9vckFClHgvisuu6sfyI+YyzA4nDkZYUitshLEa0ibkXkCY2GYfCBYDWrWbujZpzGp1FAFdd8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774660766; c=relaxed/simple; bh=zHpISchYDWVgUPKODFtH9A9/Mgm2A7aPVr6Go5MfWfI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=pNMoQQR//J+cG+KTcf7TlpdHHnfQ5SEXn2oD0lz+igOsm9X2PxcOuIlq1yiSqueC6iR3iBKrT9u8LOdRQKWdQ/0EQ64AGJ17mZy18YR2t61R/Yd2/PgGEJZmuJr2POEGK91InxTfSjKHPUYe7u57bQbQwEzagTvK4pEUQl9WQrI= 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=209.85.167.197 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-f197.google.com with SMTP id 5614622812f47-467ec73eec1so4949029b6e.1 for ; Fri, 27 Mar 2026 18:19:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774660763; x=1775265563; 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=l76Wh+rHs45es6j997zTdYqE60EktA6y9ccvHrlCikw=; b=lKynaw93pFjnR159ZXamzwXx3CXN/XTTgf3iWAoE7BAgX47OfFrSyVWT9fhA+hCFjt W+Emdwrl1kDY8T0pkbXSIW3pekIBO1WWgPq9p3RMQhmorEJF2eypkw0yF7f0Du9z4X1r KwUDUqs9MCHtWBGz7hK4R7cUkzSx+wqeUyQBpbQnu9amMTYhnR92lKk1A+NI02QN4bS3 +TYa/uy7Ad1WqFhNAZ8966Yilm4WKwy9cL9Uktp/0zNXaxmDkn63TVF80ewo7qUeedtR X0wghUWtbTKURgAoyCTlghhyATIie0Jv30ks5cFC77joY8JDUZMO3Xk1ZHPqk65iIVOO c/ew== X-Gm-Message-State: AOJu0YzgrgTHuCOoI/u0CiOkK3Xy5awXgh5NO/z2tZOTs51ATKooe/Ug sYwjZbA9TNxw47jAudahFCHIL6k4Th73FECEgpgs6omyAtgCyVXkrs2nKJL/sIJJGWVtpnCB/ej HgzM+ZtOAaaYicPfJIVHWCzrdM123KkuCnMdA9lR+GBrNuT7tU2+P54/jxPk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:290a:b0:67c:2d5e:e9e5 with SMTP id 006d021491bc7-67e1872eb83mr2381737eaf.47.1774660763611; Fri, 27 Mar 2026 18:19:23 -0700 (PDT) Date: Fri, 27 Mar 2026 18:19:23 -0700 In-Reply-To: <00000000000094982205f0874589@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c72c9b.a70a0220.128fd0.000e.GAE@google.com> Subject: Forwarded: [syzbot] [jfs?] [fat?] general protection fault in txEnd From: syzbot To: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: [syzbot] [jfs?] [fat?] general protection fault in txEnd Author: rafad900@gmail.com #syz test diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index 60c4a0e0fca5..25b303276b82 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -97,6 +97,10 @@ static int jfs_create(struct mnt_idmap *idmap, struct inode *dip, } tid =3D txBegin(dip->i_sb, 0); + if (tid =3D=3D 0) { + jfs_err("jfs_create: unable to create tblk due to read only filesystem"); + return -EROFS; + } mutex_lock_nested(&JFS_IP(dip)->commit_mutex, COMMIT_MUTEX_PARENT); mutex_lock_nested(&JFS_IP(ip)->commit_mutex, COMMIT_MUTEX_CHILD);