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 BEC71C07E9D for ; Wed, 28 Sep 2022 02:14:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232835AbiI1COw (ORCPT ); Tue, 27 Sep 2022 22:14:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232785AbiI1COs (ORCPT ); Tue, 27 Sep 2022 22:14:48 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 72EF111164 for ; Tue, 27 Sep 2022 19:14:47 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id g1-20020a92cda1000000b002f612391d5bso8731820ild.2 for ; Tue, 27 Sep 2022 19:14:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date; bh=jxWTRqbRPKGPYpBmAfR36n9pl4vJjsakwjOuyOKfhrA=; b=MVftI9GC7cFwpvqSCie/XTHLLc0xxxHUGQaLbGVYp1o/AeFopc/+wr+zeV6Fw98n6X /9KLncgcbLTIFwjNIrNfzJsIuY/8g3EAelbbniYemWWNO8lwuEqJuCSy8nozeKQF7bcM ifnuHomtGUwBthOoAod8Y+yMk1L9QnhMRLwEpJZx1O0xgnHGJkJhyrDpxLY1MpZRQyja PDnik4K33ORVeH1t9QLsFO/mE7FHWI9N44IJXszJTMUIfX/ZtIGV6Aq6+vVWJVJvRMdB sri8Lgz6JOfw6isHcPTnCVgN19XrHtw7wEOFc1diI/e6p5K1rYpIfpQlls6VKutvCMCK 5Qyw== X-Gm-Message-State: ACrzQf1ihVb/0frtCCoeOz6qjp2uc4W50N0z8vgvO34FU5kBObpYkuEg s/6ahh3ULSmzvHTmbgteE8f3V2v9mmq9NTerSp4J64+43iM8 X-Google-Smtp-Source: AMsMyM485wCZzw6H3UiPMrfJ1LvuaGb4VkODqRSNiGJEU9lwZAy42+Jt3vnAuOR4mmeLGVNGEfFsXhuqXEX0JdlJbuqlvp+T7SPu MIME-Version: 1.0 X-Received: by 2002:a92:c24e:0:b0:2f8:13b3:9f3 with SMTP id k14-20020a92c24e000000b002f813b309f3mr9252915ilo.189.1664331286208; Tue, 27 Sep 2022 19:14:46 -0700 (PDT) Date: Tue, 27 Sep 2022 19:14:46 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001a6b6705e9b3533d@google.com> Subject: [syzbot] WARNING in nilfs_segctor_do_construct From: syzbot To: konishi.ryusuke@gmail.com, linux-kernel@vger.kernel.org, linux-nilfs@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 Hello, syzbot found the following issue on: HEAD commit: aaa11ce2ffc8 Add linux-next specific files for 20220923 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17870cdf080000 kernel config: https://syzkaller.appspot.com/x/.config?x=186d1ff305f10294 dashboard link: https://syzkaller.appspot.com/bug?extid=fbb3e0b24e8dae5a16ee compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fbb3e0b24e8dae5a16ee@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3320 at fs/nilfs2/segment.c:879 nilfs_segctor_create_checkpoint fs/nilfs2/segment.c:879 [inline] WARNING: CPU: 1 PID: 3320 at fs/nilfs2/segment.c:879 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1197 [inline] WARNING: CPU: 1 PID: 3320 at fs/nilfs2/segment.c:879 nilfs_segctor_collect fs/nilfs2/segment.c:1497 [inline] WARNING: CPU: 1 PID: 3320 at fs/nilfs2/segment.c:879 nilfs_segctor_do_construct+0x45ac/0x69b0 fs/nilfs2/segment.c:2039 Modules linked in: CPU: 1 PID: 3320 Comm: segctord Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:nilfs_segctor_create_checkpoint fs/nilfs2/segment.c:879 [inline] RIP: 0010:nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1197 [inline] RIP: 0010:nilfs_segctor_collect fs/nilfs2/segment.c:1497 [inline] RIP: 0010:nilfs_segctor_do_construct+0x45ac/0x69b0 fs/nilfs2/segment.c:2039 Code: ff ff e8 27 7b 55 fe 41 83 fc ea 74 18 e8 4c 7e 55 fe 44 89 e6 bf fe ff ff ff e8 0f 7b 55 fe 41 83 fc fe 75 07 e8 34 7e 55 fe <0f> 0b e8 2d 7e 55 fe e9 3c de ff ff e8 23 7e 55 fe 48 8b 44 24 30 RSP: 0018:ffffc9000b897b40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888030627000 RCX: 0000000000000000 RDX: ffff88802da60000 RSI: ffffffff832715cc RDI: 0000000000000005 RBP: ffff8880306272d0 R08: 0000000000000005 R09: 00000000fffffffe R10: 00000000fffffffe R11: 0000000000000001 R12: 00000000fffffffe R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888021df8800 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8bbee45fc8 CR3: 0000000032ce7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2373 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2481 [inline] nilfs_segctor_thread+0x3c3/0xf30 fs/nilfs2/segment.c:2564 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.