From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 7D0981E1C3B for ; Mon, 21 Oct 2024 13:07:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729516063; cv=none; b=uK36y8dPmAWquznBUjsQLKB5bemlZ3LK4VgLQ57QSZ0BVrmjULuTS8x2Wj4TfRkWJd55oDoxVKX/GYv44Vu66qmzocprEItXsCN07yajwOhIgnmFEi5P3gwTLb1LcVbP/cD9U7Aow4hY3GCZi2F82pHKj/T2MEZT4MfbfLATUtY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729516063; c=relaxed/simple; bh=kFiPJ27GfSMqXxuc9mMVrXDeN56RLe0OSGvF1iL5E1w=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=D3pJMhPeoh6MU9C1aOPW8TGwUA1EPbZBtenKYAe6IOmokeviTY1ItiMi3/n0aJbEkHC5A2Zu02euAXbRjv5yV7otMRz1Urfoex+cAsHWhEp8dTh73mAP+HFnRvLOV7joyXgDk75W5FRTQdkCTzpRKSAIvjgkepybFS7dy9gDdvo= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a3b7129255so42843615ab.2 for ; Mon, 21 Oct 2024 06:07:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729516060; x=1730120860; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=tPh7t0LFFLPi4r7wg/IIJqFewGMgN9TOFPdliAC59Jk=; b=ea3Fyf7GIkUF+UoFLW660nDMQtM322JLK8r/m19AxV509iQPY10cIKzTZQXiRfZ38u EtmCIiQLYWKjmWbNfmoVelKbQi0NdNJ2XTBnhHKkysKL7eTXEXjNPNTZSbr4jR9oVVRm Lz3v1uIS1NI01S2Me1WBCOWq1uVS9uCGzsbz1Oz6J1Q7jGbskpWVC2JqZ/5m/EFh2C2R qR6jbdVYrvAcy7//II3D7CQSlrb4UxLAQHicy/iCJgVUpAOpMrPCefEXye/UIAq+mzpw kN9jeS1JsrtUJPnKpolLTwQtySo1sJWE8JivFJ2V0NEFRRxzcO91DoIBYDHckDs16bFB LlBQ== X-Forwarded-Encrypted: i=1; AJvYcCXzB5dgRmvEUEDX3xIvegHSB7CpOFzdynNXx0Om6vreObAw9hiM6g6+SZpPgMwPddKRFBaOWh+3PT348xRiyA==@vger.kernel.org X-Gm-Message-State: AOJu0YxCPtMET5qgXoI4ph1M8jGVjRJmeEy+VqQtKZqqZUx2xqOZqbmr j5m0bi3+rs5D6LXRT+/Up2bUrAIEWC149Sd6yRGy1zsshA9Uo1wiGCldESPiuKiYKr9Rz2zTdZ0 Q+GqnQTz4kyOsPJeuP8zq6KkAcY+LmYWf1LD75/rO8f/fATc74/RA2rE= X-Google-Smtp-Source: AGHT+IEEKRHwDbZlGFRSvZF5R3RQiyV/Xrpf3sN0Nw4xTh3udAwxcFIg+hzbqUP3/lMJiQPTqCUZm71Vsb6Mi85Yrzb1btRJGRP5 Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:138b:b0:3a3:da4f:79f4 with SMTP id e9e14a558f8ab-3a3f40457c6mr94687505ab.2.1729516060244; Mon, 21 Oct 2024 06:07:40 -0700 (PDT) Date: Mon, 21 Oct 2024 06:07:40 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6716521c.050a0220.1e4b4d.005a.GAE@google.com> Subject: [syzbot] [bcachefs?] kernel BUG in bch2_dev_btree_bitmap_mark From: syzbot To: kent.overstreet@linux.dev, linux-bcachefs@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: 6efbea77b390 Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11c38240580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cfbd94c114a3d407 dashboard link: https://syzkaller.appspot.com/bug?extid=e8eff054face85d7ea41 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b10487980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15f8af27980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-6efbea77.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/aa4b0fb0c7f0/vmlinux-6efbea77.xz kernel image: https://storage.googleapis.com/syzbot-assets/7128c5b0c0b5/bzImage-6efbea77.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/459a008a6b91/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e8eff054face85d7ea41@syzkaller.appspotmail.com bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/sb-members.c:453! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5100 Comm: syz-executor307 Not tainted 6.12.0-rc3-syzkaller-00183-g6efbea77b390 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__bch2_dev_btree_bitmap_mark fs/bcachefs/sb-members.c:453 [inline] RIP: 0010:bch2_dev_btree_bitmap_mark+0xfd2/0xff0 fs/bcachefs/sb-members.c:473 Code: b3 f1 ff ff e8 af 9f 4c fd 90 0f 0b e8 a7 9f 4c fd 90 0f 0b e8 9f 9f 4c fd 90 0f 0b e8 97 9f 4c fd 90 0f 0b e8 8f 9f 4c fd 90 <0f> 0b e8 87 9f 4c fd 90 0f 0b e8 7f 0d 7e 07 66 2e 0f 1f 84 00 00 RSP: 0018:ffffc90002dfe5a0 EFLAGS: 00010293 RAX: ffffffff84484871 RBX: 00000000ffffffc8 RCX: ffff88801e284880 RDX: 0000000000000000 RSI: 000000000000003f RDI: 0000000000000039 RBP: ffffc90002dfe7b0 R08: ffffffff844844f1 R09: 0000000000000000 R10: 0000042098000000 R11: 0000000000000000 R12: 000000000000003f R13: 0000042098000000 R14: ffff88803f7839d0 R15: 000000000000003f FS: 0000555592498380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561dbfb3d000 CR3: 00000000400e8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_gc_mark_key+0xc9b/0x10e0 fs/bcachefs/btree_gc.c:622 bch2_gc_btree fs/bcachefs/btree_gc.c:698 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline] bch2_check_allocations+0x22e8/0x6e80 fs/bcachefs/btree_gc.c:1123 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x387/0x870 fs/bcachefs/recovery_passes.c:232 bch2_fs_recovery+0x25cc/0x39c0 fs/bcachefs/recovery.c:862 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2174 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa72a53cf2a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007ffd5b715e88 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffd5b715ea0 RCX: 00007fa72a53cf2a RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 00007ffd5b715ea0 RBP: 0000000000000004 R08: 00007ffd5b715ee0 R09: 0000000000005901 R10: 0000000000808016 R11: 0000000000000282 R12: 0000000000808016 R13: 00007ffd5b715ee0 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_dev_btree_bitmap_mark fs/bcachefs/sb-members.c:453 [inline] RIP: 0010:bch2_dev_btree_bitmap_mark+0xfd2/0xff0 fs/bcachefs/sb-members.c:473 Code: b3 f1 ff ff e8 af 9f 4c fd 90 0f 0b e8 a7 9f 4c fd 90 0f 0b e8 9f 9f 4c fd 90 0f 0b e8 97 9f 4c fd 90 0f 0b e8 8f 9f 4c fd 90 <0f> 0b e8 87 9f 4c fd 90 0f 0b e8 7f 0d 7e 07 66 2e 0f 1f 84 00 00 RSP: 0018:ffffc90002dfe5a0 EFLAGS: 00010293 RAX: ffffffff84484871 RBX: 00000000ffffffc8 RCX: ffff88801e284880 RDX: 0000000000000000 RSI: 000000000000003f RDI: 0000000000000039 RBP: ffffc90002dfe7b0 R08: ffffffff844844f1 R09: 0000000000000000 R10: 0000042098000000 R11: 0000000000000000 R12: 000000000000003f R13: 0000042098000000 R14: ffff88803f7839d0 R15: 000000000000003f FS: 0000555592498380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561dbfb3d000 CR3: 00000000400e8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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