From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) (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 670771FAC29 for ; Wed, 18 Dec 2024 21:21:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734556889; cv=none; b=WWOS2euI4Fmvrcl1cgAtQmOmfu7oice+WpznulCie7swpg5+6N7xRgd6Vh5+JJ1bgOtS2YjyBSToC16mYZ+ucvGoLsrTISEDf7s77gvCOmtvLJpgQneab2zI1MgHW/UenPoJWrppGRHPaghuVFDIxC5xImPCHCI9IwHCdToUUbM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734556889; c=relaxed/simple; bh=KzhXlGgpK7N8DFtJWH+I8EfzMZMFXjdI5zdQ7wDeZek=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=UMg7AAOyXblOWUTKjl8Sq0WiqyAwunsofWGychjQZ1KiE2CgR52SkIawzaqQl4fNqRmDKLR9IoHgbA0HZi2MOpGI0+wmssbR6q3ulZGI8CKHOv++NT3WBzZaU/54P3JYs8mT6UbnZhVrMTgUjOpqHXnlDmsF+nRvXXJxuPubSoI= 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=209.85.166.208 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-f208.google.com with SMTP id e9e14a558f8ab-3a9cd0b54c1so904495ab.0 for ; Wed, 18 Dec 2024 13:21:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734556886; x=1735161686; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=32psuXPm47mJdT20msf4O6si8v1yZqyuAfnU5aS8Y5U=; b=ldezWOxF6QrS9w/vygv90Y8phBv6NotbT4FoBOQ9RuCtwzc4/Q1t43pHX6jBSX1WYM mCuDDvFZys4GVa2XUh6yNlSnxpi/3axBBBWHECpFyb6m9ZYbdG3w0ZDfL94FJUJj6sfC jqWAqVGj4JlGM46ux68/czJjvirZcwYNZGS563wuYBGr5qdeIGjk9Lg8uUOnOAdbPOHV NexJnxBcjKYKf5eCCH27acIhx7HhP3tc3iLQT2esNdz+M1Zmz7nzksTQGchS3PVnA1d0 geCvAekcllopF0R+bX/XddYU6VYKNSkulDcPB/aouceCbYB5MeQKRsyvWz2covTtrqK5 cFdA== X-Forwarded-Encrypted: i=1; AJvYcCUzy9xwDXR8ZT6XPnNOdDeD4hRf1bTyD884aANmwWf2vOped5LV43e7qQ+yF0+6PaAV71SRDclbgLisQ0U=@vger.kernel.org X-Gm-Message-State: AOJu0YyG0qXx9G2tgxw2SsAHnzmaTlRxSNrVqMckmPIS6fhLNaEMxvPZ rrl/zSqumV5k1DIJXo068oy7NOSzEk7rB1TGqJWQPGbOfBjenRGtsG+3j+IEezpWnYpxUIY1llF w4xhw7NgjyJex4FJrW2SaVsqcEgHSzqD1N0H/iCx0hfpXIrbxa7suiGw= X-Google-Smtp-Source: AGHT+IHpS/CACoJMgSpxgieDIepXLRemlJNg1qioIhtSPkITRro+ZNK65BEOpXMs8IBJ4u6JJWIioAcN1BMpW5WYvYJKPSE347z6 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1b0e:b0:3a7:7558:a6ea with SMTP id e9e14a558f8ab-3c011b45ccamr9806785ab.10.1734556886586; Wed, 18 Dec 2024 13:21:26 -0800 (PST) Date: Wed, 18 Dec 2024 13:21:26 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67633cd6.050a0220.3157ee.0006.GAE@google.com> Subject: [syzbot] [bcachefs?] kernel BUG in bch2_btree_node_iter_init_from_start 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: a446e965a188 Merge tag '6.13-rc2-smb3-client-fixes' of git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15617be8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fee25f93665c89ac dashboard link: https://syzkaller.appspot.com/bug?extid=381eead9693b057ae73f compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-a446e965.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f8dffce4e4b7/vmlinux-a446e965.xz kernel image: https://storage.googleapis.com/syzbot-assets/d69c9580adbc/bzImage-a446e965.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+381eead9693b057ae73f@syzkaller.appspotmail.com node offset 0/24: got wrong btree node: got btree=(unknown) l=1 seq 2774163494416111927x min: 15876595779377021056:14598282726174629052:3622545195 max: 443999667996278687:11692075508790369864:2516906035 bcachefs (loop0): flagging btree dirents lost data error reading btree root dirents l=0: btree_node_read_error, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): error validating btree node on loop0 at btree alloc level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1818ce08861e3527 written 40 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 node offset 8/40 bset u64s 375: checksum error, type chacha20_poly1305_128: got 2d1b41d865616c1f5319137ce21d6071 should be 61ec379a8789477e76ff1a5280fd6dbd, fixing bcachefs (loop0): error validating btree node at btree alloc level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1818ce08861e3527 written 40 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 node offset 8/40 bset u64s 375 bset byte offset 1048: keys out of order: u64s 11 type alloc_v4 29273397577908224:13:0 len 0 ver 0 > u64s 11 type alloc_v4 0:14:0 len 0 ver 0, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=alloc level=0 SPOS_MAX due to error bcachefs (loop0): error validating btree node on loop0 at btree subvolumes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 node offset 8/16 bset u64s 9: checksum error, type chacha20_poly1305_128: got 7632cdaf3353c3de8e3d2914ef82ff81 should be fbb8db7d0b4b1105d74f8b153c3602e1, fixing bcachefs (loop0): error validating btree node at btree subvolumes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 node offset 8/16 bset u64s 9 bset byte offset 40: key extends past end of bset, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=subvolumes level=0 SPOS_MAX due to error bcachefs (loop0): error validating btree node on loop0 at btree snapshots level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 node offset 0/16 bset u64s 0: checksum error, type chacha20_poly1305_128: got 62e2995e867337a1803b70574e89b407 should be 3f4bb4678363c29f1ca269ce5970cac0, fixing bcachefs (loop0): error validating btree node on loop0 at btree snapshots level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 node offset 0/16: incorrect min_key: got 674309865472:0:0 should be POS_MIN bcachefs (loop0): flagging btree snapshots lost data error reading btree root snapshots l=0: btree_node_read_error, fixing bcachefs (loop0): error validating btree node on loop0 at btree lru level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 93dda84068e88b3f written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0 node offset 8/16 bset u64s 3: checksum error, type chacha20_poly1305_128: got f3429b02592db3bb33a5353e5cab12c2 should be 9ac25d08c1c53f9311173a7dfa1d3bf7, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=lru level=0 SPOS_MAX due to error bcachefs (loop0): scan_for_btree_nodes... bch2_scan_for_btree_nodes: nodes found after overwrites: extents l=0 seq=1 journal_seq=5 cookie=4e0410879b0c2f04 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0 inodes l=0 seq=1 journal_seq=5 cookie=2a20405ac3f40602 POS_MIN-SPOS_MAX ptr: 0:38:0 gen 0 xattrs l=0 seq=1 journal_seq=4 cookie=1b881868e2a6abe1 POS_MIN-SPOS_MAX ptr: 0:31:0 gen 0 subvolumes l=0 seq=1 journal_seq=1 cookie=d682cebdf2a7eb26 POS_MIN-SPOS_MAX ptr: 0:35:0 gen 0 snapshots l=0 seq=1 journal_seq=1 cookie=d771a06d670df06c 674309865472:0:0-SPOS_MAX ptr: 0:32:0 gen 0 lru l=0 seq=1 journal_seq=5 cookie=93dda84068e88b3f POS_MIN-SPOS_MAX ptr: 0:28:0 gen 0 deleted_inodes l=0 seq=1 journal_seq=0 cookie=82036bda63714c10 POS_MIN-SPOS_MAX ptr: 0:40:0 gen 0 done bcachefs (loop0): check_topology... bcachefs (loop0): btree root dirents unreadable, must recover from scan no nodes found for btree dirents, continuing bcachefs (loop0): btree root snapshots unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovering snapshots l=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 536 min_key 674309865472:0:0 durability: 1 ptr: 0:32:0 gen 0 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bset.c:1354! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.13.0-rc2-syzkaller-00292-ga446e965a188 #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_btree_node_iter_init_from_start+0x446/0x460 fs/bcachefs/bset.c:1354 Code: c4 80 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 40 ae ff ff e8 5b ad 87 fd 90 0f 0b e8 53 ad 87 fd 90 0f 0b e8 4b ad 87 fd 90 <0f> 0b e8 43 ad 87 fd 90 0f 0b e8 3b ad 87 fd 90 0f 0b e8 33 ad 87 RSP: 0018:ffffc9000d4be828 EFLAGS: 00010293 RAX: ffffffff8417b0f5 RBX: ffff88804518009e RCX: ffff88801ee90000 RDX: 0000000000000000 RSI: ffff8880451800a0 RDI: ffff888045180008 RBP: 0000000000000013 R08: ffffffff8417ad69 R09: 0000000000000000 R10: ffffc9000d4be920 R11: fffff52001a97d25 R12: ffff8880525470f8 R13: ffff888052547108 R14: dffffc0000000000 R15: ffffc9000d4be920 FS: 00007fecd68fc6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558790d4e088 CR3: 0000000043330000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_and_journal_iter_init_node_iter+0x98/0x200 fs/bcachefs/btree_journal_iter.c:478 bch2_btree_repair_topology_recurse+0x45c8/0x6750 fs/bcachefs/btree_gc.c:447 bch2_check_topology+0x692/0xb20 fs/bcachefs/btree_gc.c:550 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:191 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:244 bch2_fs_recovery+0x25cc/0x39d0 fs/bcachefs/recovery.c:861 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 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: 0033:0x7fecd5b874ba Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fecd68fbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fecd68fbef0 RCX: 00007fecd5b874ba RDX: 000000002000f640 RSI: 000000002000f680 RDI: 00007fecd68fbeb0 RBP: 000000002000f640 R08: 00007fecd68fbef0 R09: 0000000000000084 R10: 0000000000000084 R11: 0000000000000246 R12: 000000002000f680 R13: 00007fecd68fbeb0 R14: 000000000000f62b R15: 0000000020000240 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_node_iter_init_from_start+0x446/0x460 fs/bcachefs/bset.c:1354 Code: c4 80 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 40 ae ff ff e8 5b ad 87 fd 90 0f 0b e8 53 ad 87 fd 90 0f 0b e8 4b ad 87 fd 90 <0f> 0b e8 43 ad 87 fd 90 0f 0b e8 3b ad 87 fd 90 0f 0b e8 33 ad 87 RSP: 0018:ffffc9000d4be828 EFLAGS: 00010293 RAX: ffffffff8417b0f5 RBX: ffff88804518009e RCX: ffff88801ee90000 RDX: 0000000000000000 RSI: ffff8880451800a0 RDI: ffff888045180008 RBP: 0000000000000013 R08: ffffffff8417ad69 R09: 0000000000000000 R10: ffffc9000d4be920 R11: fffff52001a97d25 R12: ffff8880525470f8 R13: ffff888052547108 R14: dffffc0000000000 R15: ffffc9000d4be920 FS: 00007fecd68fc6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558790d4f068 CR3: 0000000043330000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. 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