bi_generation=0 bi_dev=0 bi_data_checksum=0 bi_compression=0 bi_project=0 bi_background_compression=0 bi_data_replicas=0 bi_promote_target=0 bi_foreground_target=0 bi_background_target=0 bi_erasure_code=0 bi_fields_set=0 bi_dir=4098 bi_dir_offset=5675548428000973578 bi_subvol=0 bi_parent_subvol=0 bi_nocow=0 bi_depth=0 bi_inodes_32bit=0 nonzero k.p.inode: delete?, fixing 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): error validating btree node on loop0 at btree xattrs level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 node offset 0/16 bset u64s 0: invalid bkey format: field 0 too large: 18446744073709551615 + 50331648 > 18446744073709551615 u64s 3 fields 64:50331648, 64:0, 32:0, 0:0, 0:0, 0:0 bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): flagging btree xattrs lost data bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) error reading btree root btree=xattrs level=0: btree_node_read_error, fixing 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 10 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 node offset 0/10 bset u64s 0: unsupported bset version 0.0 bcachefs (loop0): flagging btree alloc lost data error reading btree root btree=alloc level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 6 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root xattrs unreadable, must recover from scan no nodes found for btree xattrs, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... 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 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: 5322 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-09584-g7d06015d936c #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 21 16 3a fd 4c 39 e5 0f 86 c9 03 00 00 e8 b3 13 3a 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 c4 RSP: 0018:ffffc9000d5ae020 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000f14b000 RSI: 000000000007a022 RDI: 000000000007a023 RBP: 0000000000000001 R08: ffffffff848986df R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffeb487f R13: dffffc0000000000 R14: 0000000000000020 R15: 000000000014b780 FS: 00007f7bc49566c0(0000) GS:ffff88808c5b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005648fdf55048 CR3: 000000004356c000 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:583 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+0x1973/0x1cd0 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+0x6bd/0x1180 fs/bcachefs/btree_gc.c:640 bch2_gc_btree fs/bcachefs/btree_gc.c:678 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:741 [inline] bch2_check_allocations+0x14ec/0x6b30 fs/bcachefs/btree_gc.c:1044 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+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x620 fs/bcachefs/super.c:1057 bch2_fs_get_tree+0x1270/0x18d0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3878 do_mount fs/namespace.c:4218 [inline] __do_sys_mount fs/namespace.c:4429 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4406 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: 0033:0x7f7bc3b8e90a 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:00007f7bc4955e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7bc4955ef0 RCX: 00007f7bc3b8e90a RDX: 00002000000058c0 RSI: 0000200000005900 RDI: 00007f7bc4955eb0 RBP: 00002000000058c0 R08: 00007f7bc4955ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000005900 R13: 00007f7bc4955eb0 R14: 00000000000058f5 R15: 0000200000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_snapshot_tree_oldest_subvol+0x1d3/0x6a0 fs/bcachefs/snapshot.c:400 Code: e6 e8 21 16 3a fd 4c 39 e5 0f 86 c9 03 00 00 e8 b3 13 3a 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 c4 RSP: 0018:ffffc9000d5ae020 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000f14b000 RSI: 000000000007a022 RDI: 000000000007a023 RBP: 0000000000000001 R08: ffffffff848986df R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffeb487f R13: dffffc0000000000 R14: 0000000000000020 R15: 000000000014b780 FS: 00007f7bc49566c0(0000) GS:ffff88808c5b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005648fdf55048 CR3: 000000004356c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e6 e8 out %al,$0xe8 2: 21 16 and %edx,(%rsi) 4: 3a fd cmp %ch,%bh 6: 4c 39 e5 cmp %r12,%rbp 9: 0f 86 c9 03 00 00 jbe 0x3d8 f: e8 b3 13 3a fd call 0xfd3a13c7 14: 49 6b c4 38 imul $0x38,%r12,%rax 18: 49 01 c6 add %rax,%r14 1b: 49 83 c6 18 add $0x18,%r14 1f: 49 83 c6 20 add $0x20,%r14 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 c6 03 00 00 jne 0x3fd 37: 41 8b 2e mov (%r14),%ebp 3a: 31 ff xor %edi,%edi 3c: 89 ee mov %ebp,%esi 3e: e8 .byte 0xe8 3f: c4 .byte 0xc4