From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5829AC5B572 for ; Wed, 19 Aug 2026 21:03:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Subject:References: In-Reply-To:Message-ID:Cc:To:From:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=P4DAp9P2PY4YetBY5zQt7YUsTUd43y5RiW+IU/R5hMw=; b=Q2KSdpIFbsLaChQFQo1uDaVvkk enf2xvVNpUncyGIV8AH0xaB3SD7ycO3yZKrRDQy43RqgcbMkWu2VmSIU8NKsBTMDxRsVArRbztUus kYW3agyWEKTkN8LWjNdkvorvc/9JoQNE1cJ8cFkanvdZkdhN1VeFpszvBCcF+EGqr1lKlzMsiZtXn PcyeLuE/vkzdX39muMPqz5lBUILga6YPGIE44bs9WsqRAJ/6fqYD4LgrOnenimrvGgQsmYiu0WLDY ApO6YBqzjb8CBFOdKg0nD/nZg7Qr+IjM8luLkzaKIL9yfsieDW4KFOId9goGtyBNgRgO8DstQbtNu 4YWcNvTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwnRm-0000000AXe1-0u3z; Wed, 19 Aug 2026 21:03:42 +0000 Received: from mailout.nod.at ([116.203.167.152] helo=lithops.sigma-star.at) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwnRi-0000000AXdd-3LwO for linux-mtd@lists.infradead.org; Wed, 19 Aug 2026 21:03:40 +0000 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 MIME-Version: 1.0 X-Originating-IP: [195.201.40.130] 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== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260819_140338_991016_EC85DCB9 X-CRM114-Status: UNSURE ( 6.39 ) X-CRM114-Notice: Please train this message. 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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