From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 F39341C5F37 for ; Mon, 23 Dec 2024 20:14:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734984874; cv=none; b=qNBXmK8TxG9EM8cL15k2kxP65bS0FFrSNij4ZfKbFTeHdv0VdbN3K7Knlt/ycOfArHHfmdyHynUtWI8F6cknTeiOZFM/hhI6iLVVvH2PllNhbEVfImm+ZY+3qqAWUMiPZ87GgXSquik0YAi/2ZfvjJR1v8bevg8XqTjTw7rxwUk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734984874; c=relaxed/simple; bh=4TMlf9ybfgXCNe6z+GIF3irRgwfzaGF9/FiumtNJSxM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ZG4eUIIKrbe+BN5gS4OvuQX3slDSmRUnzyKAj2ekGGUR13VbKVMjANmXDr+8OAilPhl+vtlVfCOguZm+F9we/K5uHDwCURcRirpjNJ/lAbE61o99pIs6sX589P4Fvaiih2k587HL9v0gOCgTl10cgxwM2TYVbKLSyyhqMttppvI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.207 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f207.google.com with SMTP id e9e14a558f8ab-3a9cc5c246bso41530875ab.2 for ; Mon, 23 Dec 2024 12:14:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734984872; x=1735589672; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=kZdTVYkFNLiHjKlol1WY7WpZhuv2ntj5b87hD0YQ4i4=; b=A5CizsrnbKO7OQo1wqWHb+ERAIif/lctWMLZB+G2wvOSWtLGgu/htm2C5mbVm9hYSy XG9C4OXHZSkJPfsVMNr0INIGt9/+LJNOv+rtwI/DCdLGnXtsJ2bSsxnjc1s4PVC7s8Ma WY9qQHKHuuazg4sW7iYTk7cPqVKlRIWpX/DfCm830d/SdcyYeiYTbPaInh1N0qcJgb+e ySwIfmbsQCByLMm+rkvXVD9u2STbygy1DZdrUiI+bu7fz0nQCmbdG2v2pg354LN2y2S5 zL15d6DYvvRk/n/oRvGhee29TJaGeoV2OFEqKUxTNutC8puX1CfvQRDEAFFUImmIi/tb bfxw== X-Forwarded-Encrypted: i=1; AJvYcCUzwATGNSUYD+2qYoyai0Zqq0GoCYA/IVTxdDWNLNmV3jMNS5DDw/H78xHdrhOrH5cwWDcKoXUSvuHteZE=@vger.kernel.org X-Gm-Message-State: AOJu0YwzHIPBKPeXFOa9qkj6tu1hvkUke5QkAXUntVCtxbKpzTaz0QSn ORxNVijzGoaju5MLxoovK9DUqfSh+flj21p9Q55DBS1beUq/lYWrQO2dAiMsQEp9Qxq6XWOzAfW //Fz2qkNVARjy8pfivcr8OEE8oaw63uOLjQZuQ2RvSbkQHqfjXPWOSeY= X-Google-Smtp-Source: AGHT+IH4IiJt8IRV/5DC7atvlzds0FYAYVIdCS4s4bs/jgqB4smutllWWS+Ia8viwwqzoeMry+CU7t9Y5A3UXAPchhhXmipVawFi Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:198e:b0:3ab:a274:d68 with SMTP id e9e14a558f8ab-3c2d2567418mr112485965ab.8.1734984872139; Mon, 23 Dec 2024 12:14:32 -0800 (PST) Date: Mon, 23 Dec 2024 12:14:32 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6769c4a8.050a0220.226966.0042.GAE@google.com> Subject: [syzbot] [ext4?] kernel BUG in deactivate_slab (2) From: syzbot To: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2e7aff49b5da Merge branches 'for-next/core' and 'for-next/.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=1129f7e8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=696fb014d05da3a3 dashboard link: https://syzkaller.appspot.com/bug?extid=ccda44e9a0f765fd9706 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ef408f67fde3/disk-2e7aff49.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/414ac17a20dc/vmlinux-2e7aff49.xz kernel image: https://storage.googleapis.com/syzbot-assets/a93415d2a7e7/Image-2e7aff49.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ccda44e9a0f765fd9706@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at mm/slub.c:3071! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 10301 Comm: syz.8.517 Not tainted 6.13.0-rc2-syzkaller-g2e7aff49b5da #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : deactivate_slab+0x2cc/0x36c mm/slub.c:3103 lr : ___slab_alloc+0x3c8/0xf4c mm/slub.c:3740 sp : ffff80009d7f7370 x29: ffff80009d7f7370 x28: 0000000000000000 x27: ffff8000810d3d04 x26: 0000000000000000 x25: 0080170003ffff00 x24: 0000000000000001 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d71c1640 x20: ffff0000c898cd80 x19: fffffdffc36df305 x18: ffff0000d8a02240 x17: ffff800123d64000 x16: ffff800080460e20 x15: 0000000000000001 x14: 1ffff00011f300ca x13: ffff80009d7f8000 x12: 0000000000000003 x11: 0000000000080000 x10: 0000000000000003 x9 : 0000000000000000 x8 : ffff0000d71c1640 x7 : ffff800080b4ee7c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 01f5000000000000 x2 : 0080170003ffff00 x1 : fffffdffc36df305 x0 : ffff0000d71c1640 Call trace: add_partial mm/slub.c:3103 [inline] (P) deactivate_slab+0x2cc/0x36c mm/slub.c:3097 (P) ___slab_alloc+0x3c8/0xf4c mm/slub.c:3740 (L) ___slab_alloc+0x3c8/0xf4c mm/slub.c:3740 __slab_alloc+0x74/0xd0 mm/slub.c:3905 __slab_alloc_node mm/slub.c:3980 [inline] slab_alloc_node mm/slub.c:4141 [inline] kmem_cache_alloc_noprof+0x300/0x410 mm/slub.c:4160 ext4_mb_add_groupinfo+0x5d8/0xdf4 fs/ext4/mballoc.c:3356 ext4_mb_init_backend fs/ext4/mballoc.c:3435 [inline] ext4_mb_init+0x107c/0x2014 fs/ext4/mballoc.c:3733 __ext4_fill_super fs/ext4/super.c:5559 [inline] ext4_fill_super+0x4b50/0x57d0 fs/ext4/super.c:5733 get_tree_bdev_flags+0x38c/0x494 fs/super.c:1636 get_tree_bdev+0x2c/0x3c fs/super.c:1659 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5765 vfs_get_tree+0x90/0x28c fs/super.c:1814 do_new_mount+0x278/0x900 fs/namespace.c:3507 path_mount+0x590/0xe04 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount fs/namespace.c:4034 [inline] __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: d50323bf d65f03c0 d4210000 17ffffc0 (d4210000) ---[ end trace 0000000000000000 ]--- --- 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 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