From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f72.google.com (mail-oa1-f72.google.com [209.85.160.72]) (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 32A762DC76A for ; Sun, 11 Oct 2026 22:46:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791758782; cv=none; b=ezwEGQKf9mTdS6aAfuRHwTaJbsc1dsJPiNDCbO95pqOvR9m4t4HwJqrrjDqZ2IYcTL69dugaqWyBasb+hHxN7B0wZNWTfRyEaO3+Bq5yS6WZbBYSJT0MTlZTNmRXB/IE7kQCua4EYZPN0d3f46CIvlT41ZVP9a+DdB2is/RssMk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791758782; c=relaxed/simple; bh=FJP/2wgwUV7p7dradmogy7xQ59T+IC6AfzAz4bHq48o=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=CzdlSZJFGGUAL9rTytDrrHxV6oP1LiibBDZmIEbYub5wB1HYnvw4jpX5+9V/L6y9VI4rXPCOVe8NUkYcH/k5yfH8WA98NGXvmDkAW2sIAaNUuhxFEbTZ6lOhYcLls4qB+sGV1lC8l5QklOCmI6Dnzmmiqv5csfrs1tVHYOnkIWs= ARC-Authentication-Results:i=1; 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AKwUvBzw7FNp2nGyaX77g11PLQFZeHYUYAZfU5gW3Xrvus+VIEWdUW8p6FHddK/Kj/CK2tNDDenDlhK9qW5W454=@vger.kernel.org X-Gm-Message-State: AFq9FYIFauSt2FGzvX28T8LnwjiqPBY9lR6WZsPkn1ZMktBnN9YF+KGq HQcvP6I7sjg3dMU34RFij824KffnBJN8uappMJBFD8ED1+Hu5SIZUOU5n5KR/MUS23QHfalRROF 3oe1pg/y3ErsK6rF20FEuc6g90WhLV3ZiGUy5jXNLrwGe9qs/3EWCEPVGtT8= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:f8d:b0:4f5:98d:d1ae with SMTP id 5614622812f47-50c56915333mr6961736b6e.55.1791758779901; Sun, 11 Oct 2026 15:46:19 -0700 (PDT) Date: Sun, 11 Oct 2026 15:46:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6acc11bb.6c14cce4.1b350.08f5.GAE@google.com> Subject: [syzbot] [fs?] WARNING in evict (2) From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: b88c841d1164 Merge tag 'input-for-v7.3-rc6' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10fc65a9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=7d1b274ca9837366 dashboard link: https://syzkaller.appspot.com/bug?extid=d35de3666410c93fd821 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14fc65a9580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1515e5d1580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-b88c841d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c64cd81f2bae/vmlinux-b88c841d.xz kernel image: https://storage.googleapis.com/syzbot-assets/605b0408da7b/bzImage-b88c841d.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/d828a19809d6/mount_10.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d35de3666410c93fd821@syzkaller.appspotmail.com ------------[ cut here ]------------ !buffer_uptodate(bh) WARNING: fs/buffer.c:991 at mark_buffer_dirty+0x299/0x410 fs/buffer.c:991, CPU#0: syz.0.24/5465 Modules linked in: CPU: 0 UID: 0 PID: 5465 Comm: syz.0.24 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:mark_buffer_dirty+0x299/0x410 fs/buffer.c:991 Code: 4c 89 f7 e8 d9 d5 d7 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 34 44 fb ff e8 8f 56 65 ff eb 8c e8 88 56 65 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 7a 56 65 ff 90 0f 0b 90 e9 cf fd ff ff RSP: 0018:ffffc9000e15f810 EFLAGS: 00010293 RAX: ffffffff8262ca98 RBX: ffff8880146bc7e0 RCX: ffff88803bd40000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc9000e15f901 R08: ffff8880146bc7e7 R09: 1ffff110028d78fc R10: dffffc0000000000 R11: ffffed10028d78fd R12: ffff888013cb7628 R13: 1ffff92001c2bf14 R14: ffffffff82b04fe0 R15: 0000000000000001 FS: 000055556477c500(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16fb1fe000 CR3: 0000000044d33000 CR4: 0000000000352ef0 Call Trace: evict+0x624/0xb50 fs/inode.c:822 add_nondir fs/minix/namei.c:18 [inline] minix_mknod fs/minix/namei.c:50 [inline] minix_create+0x88/0xb0 fs/minix/namei.c:69 lookup_open+0xc0d/0x1a40 fs/namei.c:4596 open_last_lookups fs/namei.c:4796 [inline] path_openat+0x677/0x1d60 fs/namei.c:5026 do_file_open+0x23e/0x4a0 fs/namei.c:5058 do_sys_openat2+0x115/0x200 fs/open.c:1417 do_sys_open fs/open.c:1423 [inline] __do_sys_creat fs/open.c:1501 [inline] __se_sys_creat fs/open.c:1495 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1495 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f958b39e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc158e2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f958b625fa0 RCX: 00007f958b39e1d9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000200000000040 RBP: 00007f958b435888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f958b625fac R14: 00007f958b625fa0 R15: 00007f958b625fa0 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup