bcachefs (loop0): bcachefs (loop0): error validating btree node at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 8/24 bset u64s 29 bset byte offset 152: keys out of order: u64s 16 type inode_v3 0:3940649673953280:U32_MAX len 0 ver 0 > u64s 17 type inode_v3 0:4097:U32_MAX len 0 ver 0, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 16/24 bset u64s 110 bset byte offset 536: bad k->u64s 0 (min 3 max 253), fixing bcachefs (loop0): bcachefs (loop0): error validating btree node at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 16/24 bset u64s 99 bset byte offset 696: key extends past end of bset, fixing bcachefs (loop0): invalid bkey in btree_node btree=inodes level=0: u64s 18 type inode_v3 0:4098:U32_MAX len 0 ver 0: (unpack error) invalid variable length fields, deleting bcachefs (loop0): invalid bkey in btree_node btree=inodes level=0: u64s 16 type inode_v3 0:3940649673953280:U32_MAX len 0 ver 0: (unpack error) invalid variable length fields, deleting bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 bcachefs (loop0): invalid bkey in btree_node btree=dirents level=0: u64s 7 type dirent 4098:5675548428000973578:U32_MAX len 0 ver 0: -> 25895697857384452 type unknown dirent has stray data after name's NUL, deleting bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): 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 ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 node offset 0/24 bset u64s 0: invalid bkey format: field 4 too large: 0 + 72057594037927936 > 4294967295 u64s 3 fields 64:0, 64:0, 32:0, 0:0, 0:72057594037927936, 0:0, btree topology error: bcachefs (loop0): flagging btree alloc lost data bcachefs (loop0): running explicit recovery pass check_lrus (14), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_alloc_info (13), currently at recovery_pass_empty (0) bcachefs (loop0): error reading btree root btree=alloc level=0: btree_node_read_error, fixing bcachefs (loop0): 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 ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 node offset 0/16 bset u64s 0: incorrect max key U64_MAX:U64_MAX:4278583295, btree topology error: bcachefs (loop0): flagging btree snapshots lost data bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) bcachefs (loop0): error reading btree root btree=snapshots level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 3 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root snapshots unreadable, must recover from scan bcachefs (loop0): no nodes found for btree snapshots, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) done bcachefs (loop0): check_allocations... bcachefs (loop0): bucket 0:34 data type user ptr gen 0 missing in alloc btree while marking u64s 7 type extent 4099:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0, fixing bcachefs (loop0): bucket 0:27 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0, fixing Oops: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #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:bch2_snapshot_tree_oldest_subvol+0x1d3/0x6a0 fs/bcachefs/snapshot.c:400 Code: e6 e8 f1 ba 36 fd 4c 39 e5 0f 86 c9 03 00 00 e8 83 b8 36 fd 49 6b c4 38 49 01 c6 49 83 c6 18 49 83 c6 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 c6 03 00 00 41 8b 2e 31 ff 89 ee e8 94 RSP: 0018:ffffc9000d5be040 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000df7a000 RSI: 00000000000885b0 RDI: 00000000000885b1 RBP: ffffffff848cab5b R08: ffffffff848cac89 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffeb487f R13: dffffc0000000000 R14: 0000000000000020 R15: 000000000014b780 FS: 00007f9138cc46c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b4277d0048 CR3: 00000000442aa000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_inum_snap_offset_err_msg_trans+0x374/0x680 fs/bcachefs/error.c:694 bch2_indirect_extent_missing_error+0x411/0x1290 fs/bcachefs/reflink.c:192 gc_trigger_reflink_p_segment fs/bcachefs/reflink.c:392 [inline] __trigger_reflink_p+0x1960/0x1cb0 fs/bcachefs/reflink.c:432 bch2_trigger_reflink_p+0x299/0x380 fs/bcachefs/reflink.c:451 bch2_key_trigger fs/bcachefs/bkey_methods.h:88 [inline] bch2_gc_mark_key+0x6b9/0x1170 fs/bcachefs/btree_gc.c:639 bch2_gc_btree fs/bcachefs/btree_gc.c:677 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:740 [inline] bch2_check_allocations+0x1439/0x6930 fs/bcachefs/btree_gc.c:1042 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:285 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x310/0x620 fs/bcachefs/super.c:1069 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3879 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4407 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9137d8e90a 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:00007f9138cc3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9138cc3ef0 RCX: 00007f9137d8e90a RDX: 00002000000058c0 RSI: 0000200000005900 RDI: 00007f9138cc3eb0 RBP: 00002000000058c0 R08: 00007f9138cc3ef0 R09: 0000000001000040 R10: 0000000001000040 R11: 0000000000000246 R12: 0000200000005900 R13: 00007f9138cc3eb0 R14: 0000000000005944 R15: 0000200000000140 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_snapshot_tree_oldest_subvol+0x1d3/0x6a0 fs/bcachefs/snapshot.c:400 Code: e6 e8 f1 ba 36 fd 4c 39 e5 0f 86 c9 03 00 00 e8 83 b8 36 fd 49 6b c4 38 49 01 c6 49 83 c6 18 49 83 c6 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 c6 03 00 00 41 8b 2e 31 ff 89 ee e8 94 RSP: 0018:ffffc9000d5be040 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000df7a000 RSI: 00000000000885b0 RDI: 00000000000885b1 RBP: ffffffff848cab5b R08: ffffffff848cac89 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffeb487f R13: dffffc0000000000 R14: 0000000000000020 R15: 000000000014b780 FS: 00007f9138cc46c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b4277d0048 CR3: 00000000442aa000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 f1 ba 36 fd call 0xfd36baf6 5: 4c 39 e5 cmp %r12,%rbp 8: 0f 86 c9 03 00 00 jbe 0x3d7 e: e8 83 b8 36 fd call 0xfd36b896 13: 49 6b c4 38 imul $0x38,%r12,%rax 17: 49 01 c6 add %rax,%r14 1a: 49 83 c6 18 add $0x18,%r14 1e: 49 83 c6 20 add $0x20,%r14 22: 4c 89 f0 mov %r14,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 c6 03 00 00 jne 0x3fc 36: 41 8b 2e mov (%r14),%ebp 39: 31 ff xor %edi,%edi 3b: 89 ee mov %ebp,%esi 3d: e8 .byte 0xe8 3e: 94 xchg %eax,%esp