loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= bcachefs (loop0): starting version 0.519: (unknown version) opts=metadata_checksum=none,data_checksum=xxhash,compression=lz4,str_hash=crc64,norecovery,nojournal_transaction_names,reconstruct_alloc bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade required: Version upgrade from 0.24: unwritten_extents to 0.519: (unknown version) incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.20: directory_size running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance bcachefs (loop0): dropping and reconstructing all alloc info 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 c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 node offset 0/16 bset u64s 0: incorrect max key 7754354133401862143:U64_MAX:U32_MAX bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): flagging btree subvolumes lost data bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) error reading btree root btree=subvolumes level=0: btree_node_read_error, fixing bcachefs (loop0): error validating btree node on loop0 at btree (unknown btree 29) level 210/210 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0 node offset 0/16 bset u64s 0: incorrect btree id bcachefs (loop0): flagging btree (unknown btree 29) lost data error reading btree root btree=(unknown btree 29) level=210: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 7 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root subvolumes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=subvolumes level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 7754354133401862143:U64_MAX:U32_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 btree node with incorrect max_key at btree=subvolumes level=1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 7754354133401862143:U64_MAX:U32_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=subvolumes level=0 7754354133401862144:0:0 - SPOS_MAX btree node with incorrect max_key at btree=subvolumes level=1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 7754354133401862143:U64_MAX:U32_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 7754354133401862143:U64_MAX:U32_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 -> SPOS_MAX Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller-00012-g2408a807bfc3 #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:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5091 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 0b 66 a0 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 d8 46 8c 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc9000d36ee90 EFLAGS: 00010002 RAX: 000000000000000e RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000070 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2079cef R12: ffff88801af78000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000070 FS: 00007f333be6f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559c7ce58098 CR3: 000000003a516000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 six_lock_ip_waiter+0x9e/0x160 fs/bcachefs/six.c:553 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:229 [inline] btree_node_lock_nopath_nofail fs/bcachefs/btree_locking.h:252 [inline] bch2_check_topology+0x8b4/0xe30 fs/bcachefs/btree_gc.c:553 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x265a/0x3de0 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1041 bch2_fs_get_tree+0xdb7/0x17a0 fs/bcachefs/fs.c:2203 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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: 0033:0x7f333af8e58a 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:00007f333be6ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f333be6eef0 RCX: 00007f333af8e58a RDX: 0000400000000080 RSI: 0000400000000040 RDI: 00007f333be6eeb0 RBP: 0000400000000080 R08: 00007f333be6eef0 R09: 0000000000808040 R10: 0000000000808040 R11: 0000000000000246 R12: 0000400000000040 R13: 00007f333be6eeb0 R14: 0000000000005968 R15: 0000400000000200 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5091 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 0b 66 a0 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 d8 46 8c 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc9000d36ee90 EFLAGS: 00010002 RAX: 000000000000000e RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000070 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2079cef R12: ffff88801af78000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000070 FS: 00007f333be6f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559c7ce58098 CR3: 000000003a516000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 f8 16 xor %al,0x16f8850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d 0b 66 a0 0e 00 cmpl $0x0,0xea0660b(%rip) # 0xea06620 15: 0f 84 c8 13 00 00 je 0x13e3 1b: 89 54 24 60 mov %edx,0x60(%rsp) 1f: 89 5c 24 38 mov %ebx,0x38(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 d8 46 8c 00 call 0x8c4710 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah