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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65AD3C636D4 for ; Wed, 15 Feb 2023 20:16:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229768AbjBOUQF (ORCPT ); Wed, 15 Feb 2023 15:16:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229763AbjBOUQC (ORCPT ); Wed, 15 Feb 2023 15:16:02 -0500 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C88AA2D14D for ; Wed, 15 Feb 2023 12:15:58 -0800 (PST) Received: by mail-il1-f205.google.com with SMTP id s12-20020a056e021a0c00b0030efd0ed890so43321ild.7 for ; Wed, 15 Feb 2023 12:15:58 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=aGJcTiHWrNKcFZ/FgYQDSHGLDwlxXSUlxi8IsS9UpjM=; b=Bjq9FBmiJSaMpoEy0F4n5JeevhwL7lMGpsDOOQIwSR2a4UBd0iT8NhYtbXuQjzLFFy gTtyX1MoHP/NCFbon8J0pyRJ8SsT4NM6kii8M94Bj7Rq2Jw/K7Fjs4fAW6TdNW/lvDy/ qGv1hQr+hfgmgMJyEq0uGVXqRo+QuMSZE5EK2OwQjpnfM401Ong2avZquWsZC1aWmFmH fqssKN6yrBWbpute9AWy9eb4GY/nmTUVMPPs65oYwZPB1Q4uyuCcW1bFyTdn1upTZz9l bgHyKerxv5IhN07478Kkx9rzn05mKLA/VBntsG9AP2bhRvJGHUbayJEKpZc1GDLGDfAL ze1A== X-Gm-Message-State: AO0yUKUxK1rcxkU/SZ4aTqPLlXT3qeHfeyDbCUIFT9EGyLuQ/2H3PNX+ Hd17NfVoA1nriGJSieJMLSH9SoVFu1Z37QKLBJYXs20T4H68 X-Google-Smtp-Source: AK7set86i67dgAHYMXiQrl4jCFk5zyk/kVFx65aTW8VBAM0Flhxmc4ILyIoNouAVn2FLO0hKbWr+idG8IS0MjFFGK8gUMP3Dj/2m MIME-Version: 1.0 X-Received: by 2002:a5e:c009:0:b0:73b:1230:331c with SMTP id u9-20020a5ec009000000b0073b1230331cmr1063621iol.98.1676492158111; Wed, 15 Feb 2023 12:15:58 -0800 (PST) Date: Wed, 15 Feb 2023 12:15:58 -0800 In-Reply-To: <000000000000a8c57205f1450921@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008d9bd305f4c2bf45@google.com> Subject: Re: [syzbot] [f2fs?] kernel BUG in f2fs_abort_atomic_write 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: e1c04510f521 Merge tag 'pm-6.2-rc9' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=172c6577480000 kernel config: https://syzkaller.appspot.com/x/.config?x=8d9381ac81f4ac15 dashboard link: https://syzkaller.appspot.com/bug?extid=9b7be0f1263ed2dbfbba compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=138e3977480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c3d836334e11/disk-e1c04510.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4cab8c36cdb8/vmlinux-e1c04510.xz kernel image: https://storage.googleapis.com/syzbot-assets/7f796941fe64/bzImage-e1c04510.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/d6504ac6876e/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9b7be0f1263ed2dbfbba@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/inode.c:1763! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5237 Comm: syz-executor.0 Not tainted 6.2.0-rc8-syzkaller-00021-ge1c04510f521 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:iput+0x68/0x80 fs/inode.c:1763 Code: ff 83 e3 40 48 89 de e8 b6 b6 9b ff 48 85 db 75 14 e8 dc b9 9b ff 48 89 ef e8 24 f7 ff ff 5b 5d e9 cd b9 9b ff e8 c8 b9 9b ff <0f> 0b e8 31 cd e9 ff eb c5 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffffc90004ddfbe0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000000 RDX: ffff88801e0f9d40 RSI: ffffffff81e54e48 RDI: 0000000000000007 RBP: ffff888072e68000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000000 R12: ffff888072e278e0 R13: 0000000000000000 R14: ffff888072e68000 R15: 0000000000000000 FS: 00007f2cbc74c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cb2b58000 CR3: 0000000027d2f000 CR4: 0000000000350ef0 Call Trace: f2fs_abort_atomic_write+0xea/0x4f0 fs/f2fs/segment.c:196 f2fs_ioc_commit_atomic_write+0x19f/0x260 fs/f2fs/file.c:2157 __f2fs_ioctl+0x26f0/0xaaf0 fs/f2fs/file.c:4154 f2fs_ioctl+0x18e/0x220 fs/f2fs/file.c:4242 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2cbba8c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2cbc74c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2cbbbac050 RCX: 00007f2cbba8c0f9 RDX: 0000000000000000 RSI: 000000000000f502 RDI: 0000000000000004 RBP: 00007f2cbbae7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc60048ef R14: 00007f2cbc74c300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iput+0x68/0x80 fs/inode.c:1763 Code: ff 83 e3 40 48 89 de e8 b6 b6 9b ff 48 85 db 75 14 e8 dc b9 9b ff 48 89 ef e8 24 f7 ff ff 5b 5d e9 cd b9 9b ff e8 c8 b9 9b ff <0f> 0b e8 31 cd e9 ff eb c5 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffffc90004ddfbe0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000000 RDX: ffff88801e0f9d40 RSI: ffffffff81e54e48 RDI: 0000000000000007 RBP: ffff888072e68000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000000 R12: ffff888072e278e0 R13: 0000000000000000 R14: ffff888072e68000 R15: 0000000000000000 FS: 00007f2cbc74c700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cbc74c718 CR3: 0000000027d2f000 CR4: 0000000000350ee0