From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lithops.sigma-star.at (mailout.nod.at [116.203.167.152]) (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 DD34C3A1B5 for ; Wed, 19 Aug 2026 21:03:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.167.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787173421; cv=none; b=V2n3ETuj52FcMhachFspMqziwa2N47TXMlGD/BCZg5Kwwq/OH6bX2O6aF7yjmcBLl++MVwRX2KbVq4tJAwDcXzB8hL889M7Nye6c7ajiSwAEpeHy7jBQNlIOPiUy+oGhh8yBATK5qn9/hZH+Q5mCqUpXlA26NzxUwrWlraDobyE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787173421; c=relaxed/simple; bh=z9xtOaiLXIePg+uUAoYVEVMvv2RwclI8uUep5aEgCxQ=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: MIME-Version:Content-Type; b=nQb4KH7XOwJDVAf/idYMLv2EOrJ9AQ1MuWh8DOrwc0GZ+KKbH32U3yijC8EZeomoVIWM7XWN9mfhHBCUbh81F5cwch7LYtiCpxjU/LOpebmtBoZDKfad4ldlLSNHHcx5NrISUi+B8KQlO2Bf4W1RVP9BQpLrKq8Jd0T7D/TLxbA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nod.at; spf=fail smtp.mailfrom=nod.at; arc=none smtp.client-ip=116.203.167.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nod.at Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nod.at Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id EDED92ABFA3; Wed, 19 Aug 2026 23:03:34 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id Bl6s-4N6wTwH; Wed, 19 Aug 2026 23:03:33 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 8FEDE2A3C71; Wed, 19 Aug 2026 23:03:33 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id eVdQFwria_v5; Wed, 19 Aug 2026 23:03:33 +0200 (CEST) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id 622C51012EE; Wed, 19 Aug 2026 23:03:33 +0200 (CEST) Date: Wed, 19 Aug 2026 23:03:33 +0200 (CEST) From: Richard Weinberger To: Jaeyoung Chung Cc: David Woodhouse , linux-mtd , Kees Cook , linux-kernel , eulgyukim@snu.ac.kr Message-ID: <849183271.921.1787173413104.JavaMail.zimbra@nod.at> In-Reply-To: <20260819182805.4020838-1-jjy600901@snu.ac.kr> References: <20260819182805.4020838-1-jjy600901@snu.ac.kr> Subject: Re: [BUG] general protection fault in jffs2_xattr_delete_inode Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF153 (Linux)/8.8.12_GA_3809) Thread-Topic: general protection fault in jffs2_xattr_delete_inode Thread-Index: 4sAwvj/mwoU3BVMs8GishbLzzlie7Q== ----- Urspr=C3=BCngliche Mail ----- > Von: "Jaeyoung Chung" [...] > RIP: 0010:jffs2_xattr_delete_inode+0x38/0x300 fs/jffs2/xattr.c:602 > Code: 41 55 41 54 53 48 83 ec 50 48 89 3c 24 48 85 f6 74 2a 49 89 f6 49 b= d 00 00 > 00 00 00 fc ff df 48 8d 5e 28 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0= 0f 85 > 90 02 00 00 83 3b 00 74 14 48 83 c4 50 > RSP: 0018:ffff888104ad7918 EFLAGS: 00010203 > RAX: 0c8c8c8c8c8c8c91 RBX: 646464646464648c RCX: 0000000000000001 > RDX: 0000000000000001 RSI: 6464646464646464 RDI: ffff888108260000 > RBP: dffffc0000000000 R08: ffff888104ad7987 R09: 1ffff1102095af30 > R10: dffffc0000000000 R11: ffffed102095af31 R12: 1ffff11022349cfc > R13: dffffc0000000000 R14: 6464646464646464 R15: 1ffff11022349ce8 > FS: 00007863627186c0(0000) GS:ffff88815e8ac000(0000) knlGS:0000000000000= 000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000786362717f78 CR3: 000000010795c000 CR4: 00000000000006f0 > Call Trace: > > jffs2_do_clear_inode+0x4d/0x2f0 fs/jffs2/readinode.c:1418 > evict+0x353/0x700 fs/inode.c:825 > jffs2_new_inode+0x443/0xce0 fs/jffs2/fs.c:-1 > jffs2_create+0x87/0x300 fs/jffs2/dir.c:182 > lookup_open fs/namei.c:4508 [inline] > open_last_lookups fs/namei.c:4608 [inline] > path_openat+0xe3c/0x29b0 fs/namei.c:4860 > do_file_open+0x19d/0x360 fs/namei.c:4892 > do_sys_openat2+0x9a/0x100 fs/open.c:1368 > do_sys_open fs/open.c:1374 [inline] > __do_sys_openat fs/open.c:1390 [inline] > __se_sys_openat fs/open.c:1385 [inline] > __x64_sys_openat+0xf8/0x130 fs/open.c:1385 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0xf7/0x370 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x76/0x7e > RIP: 0033:0x78636301e829 So, the partially created inode is evicted in the create path. Does this change help? diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index 86ab014a349c..a9906f9e3638 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -57,6 +57,7 @@ static inline void jffs2_init_inode_info(struct jffs2_ino= de_info *f) =09f->target =3D NULL; =09f->flags =3D 0; =09f->usercompr =3D 0; +=09f->inocache =3D NULL; } =20 Thanks, //richard