loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=zstd,metadata_target=/dev/loop0,noinodes_use_key_cache,degraded=yes,journal_flush_disabled,fsck,fix_errors=yes,nojournal_transaction_names allowing incompatible features above 0.0: (unknown version) features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 bcachefs (loop0): invalid bkey in superblock btree=inodes level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 invalid key type for btree inodes (btree_ptr_v2), deleting bcachefs (loop0): invalid bkey in superblock btree=snapshots level=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 invalid key type for btree snapshots (btree_ptr_v2), deleting bcachefs (loop0): invalid bkey in superblock btree=lru level=1: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 93dda84068e88b3f written 16 min_key POS_MIN durability: 0 poisoned has non ptr field, deleting bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade required: Version upgrade from 0.32: (unknown version) to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.32: (unknown version) to 1.28: inode_has_case_insensitive running recovery passes: check_allocations,check_extents_to_backpointers,check_snapshots,check_subvols,check_inodes,check_dirents,set_fs_needs_rebalance bcachefs (loop0): btree node read error at btree alloc level 0/0 u64s 11 type btree_ptr_v2 U64_MAX:18446744069414584328:U32_MAX len 0 ver 0: seq 1818ce08861e3527 written 40 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 loop0 node offset 0/40 bset u64s 0: checksum error, type chacha20_poly1305_128: got 2b3128554b281fc996daa8c45b178c02 should be a1c0cae4d1c6eac9087fba7ada6f601b loop0 node offset 0/40 bset u64s 0: incorrect max key 18446744073709530367:U64_MAX:U32_MAX loop0 btree validate error flagging btree alloc lost data running recovery pass check_topology (2), currently at recovery_pass_empty (0) running recovery pass check_lrus (14), currently at recovery_pass_empty (0) running recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) running recovery pass check_alloc_info (13), currently at recovery_pass_empty (0) ret btree_node_read_err_bad_node bcachefs (loop0): error reading btree root btree=alloc level=0: btree_node_read_error, fixing bcachefs (loop0): btree node read error at btree backpointers level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 3b468546fb27822d written 24 min_key POS_MIN durability: 1 ptr: 0:36:0 gen 0 loop0 node offset 8/24 bset u64s 35: checksum error, type chacha20_poly1305_128: got 8176c907e68d2e49c2c27be737d6f700 should be 230eae69ad0f1e91715326573b3e405a loop0 node offset 16/24 bset u64s 14: checksum error, type chacha20_poly1305_128: got 18612bb0bd5c0ead57b5f85959915bcf should be 6399ef4aeb6d8a4369c39b0b9ed27362 loop0 btree validate error repair success (rewriting node) bcachefs (loop0): btree node read error at btree (unknown btree 23) 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 loop0 node offset 0/16 bset u64s 0: incorrect btree id loop0 btree validate error flagging btree (unknown btree 23) lost data running recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) ret btree_node_read_err_bad_node bcachefs (loop0): error reading btree root btree=(unknown btree 23) level=0: btree_node_read_error, fixing bcachefs (loop0): check_topology... Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] CPU: 0 UID: 0 PID: 5357 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-11952-g6e64f4580381 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000eacee98 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff84566db3 RCX: 936e6faebf50bc00 RDX: 0000000000000000 RSI: ffffffff84566db3 RDI: 000000000000000e RBP: ffffffff8423e4dc R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1f46ca7 R12: 0000000000000001 R13: 0000000000000070 R14: 0000000000000070 R15: 0000000000000001 FS: 00007fdba9f966c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005614b8517730 CR3: 0000000042a76000 CR4: 0000000000352ef0 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:567 kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5842 six_lock_ip_waiter+0xa3/0x170 fs/bcachefs/six.c:550 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:237 [inline] btree_node_lock_nopath_nofail fs/bcachefs/btree_locking.h:260 [inline] bch2_check_topology+0x61a/0xe00 fs/bcachefs/btree_gc.c:601 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:484 [inline] __bch2_run_recovery_passes+0x3bd/0x1060 fs/bcachefs/recovery_passes.c:539 bch2_run_recovery_passes+0x184/0x210 fs/bcachefs/recovery_passes.c:610 bch2_fs_recovery+0x2690/0x3a50 fs/bcachefs/recovery.c:1016 bch2_fs_start+0xaaf/0xda0 fs/bcachefs/super.c:1213 bch2_fs_get_tree+0xb39/0x1520 fs/bcachefs/fs.c:2488 vfs_get_tree+0x92/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3805 do_mount fs/namespace.c:4133 [inline] __do_sys_mount fs/namespace.c:4344 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4321 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdba919038a 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:00007fdba9f95e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdba9f95ef0 RCX: 00007fdba919038a RDX: 000020000000f640 RSI: 000020000000f680 RDI: 00007fdba9f95eb0 RBP: 000020000000f640 R08: 00007fdba9f95ef0 R09: 0000000000800190 R10: 0000000000800190 R11: 0000000000000246 R12: 000020000000f680 R13: 00007fdba9f95eb0 R14: 000000000000f63e R15: 0000200000000380 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000eacee98 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff84566db3 RCX: 936e6faebf50bc00 RDX: 0000000000000000 RSI: ffffffff84566db3 RDI: 000000000000000e RBP: ffffffff8423e4dc R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1f46ca7 R12: 0000000000000001 R13: 0000000000000070 R14: 0000000000000070 R15: 0000000000000001 FS: 00007fdba9f966c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005614b8517730 CR3: 0000000042a76000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 7: 00 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 66 0f 1f 00 nopw (%rax) 1c: 48 c1 ef 03 shr $0x3,%rdi 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2e: 3c 08 cmp $0x8,%al 30: 0f 92 c0 setb %al 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: cc int3 39: 66 data16 3a: 66 data16 3b: 66 data16 3c: 66 data16 3d: 66 data16 3e: 66 data16 3f: 2e cs