fragmentation 0 bp_start 8 invalid data type (got 2 should be 7): delete?, fixing invalid bkey u64s 11 type btree_ptr 0:20:0 len 0 ver 0: durability: 1 ptr: 0:0:0 gen 0 ptr: 1:1 gen 0 cached (invalid extent entry 0000000000000100) value too big (6 > 4): delete?, fixing invalid bkey u64s 15 type alloc_v4 0:29:0 len 0 ver 0: gen 0 oldest_gen 0 data_type btree journal_seq 18158513697557839873 need_discard 0 need_inc_gen 1 dirty_sectors 256 stripe_sectors 0 cached_sectors 0 stripe 0 stripe_redundancy 0 io_time[READ] 1 io_time[WRITE] 1 fragmentation 0 bp_start 8 invalid backpointers_start: delete?, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=alloc level=0 SPOS_MAX due to error invalid btree root subvolumes, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): flagging btree subvolumes lost data 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 4294967295:18446744069414584320:0 durability: 1 ptr: 0:32:0 gen 0 node offset 0/16: incorrect min_key: got POS_MIN should be 4294967295:18446744069414584320:0 bcachefs (loop0): flagging btree snapshots lost data error reading btree root snapshots l=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bch2_scan_for_btree_nodes: nodes found after overwrites: extents l=0 seq=1 journal_seq=5 cookie=c6c25c03258c59c5 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0 xattrs l=0 seq=1 journal_seq=4 cookie=2285c34bed0abe32 POS_MIN-SPOS_MAX ptr: 0:31:0 gen 0 lru l=0 seq=1 journal_seq=5 cookie=28f61e078e70b95c POS_MIN-SPOS_MAX ptr: 0:28:0 gen 0 deleted_inodes l=0 seq=1 journal_seq=0 cookie=1db8f60c84bb244c POS_MIN-SPOS_MAX ptr: 0:42:0 gen 0 done bcachefs (loop0): check_topology... bcachefs (loop0): btree root subvolumes unreadable, must recover from scan no nodes found for btree subvolumes, continuing bcachefs (loop0): btree root snapshots unreadable, must recover from scan no nodes found for btree snapshots, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_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... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey.c:298! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00289-g48f506ad0b68 #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:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 74 9f 89 fd 48 c7 c7 80 fa f2 8e 4c 89 e6 48 89 da e8 b2 ea e4 00 e9 f4 fc ff ff e8 58 9f 89 fd 90 0f 0b e8 50 9f 89 fd 90 <0f> 0b e8 48 9f 89 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d5addc0 EFLAGS: 00010287 RAX: ffffffff8415d4e0 RBX: 0000000000000003 RCX: 0000000000100000 RDX: ffffc9000e0ba000 RSI: 000000000005fd3b RDI: 000000000005fd3c RBP: 0000000000000000 R08: ffffffff8415ce35 R09: 0000000000000000 R10: ffffc9000d5ade80 R11: fffff52001ab5bd2 R12: ffffc9000d5ade80 R13: dffffc0000000000 R14: ffffffff00000100 R15: ffff8880553e08b0 FS: 00007f42b362c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562660018028 CR3: 0000000043e28000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bkey_unpack_pos_format_checked fs/bcachefs/bkey.h:456 [inline] bkey_unpack_pos fs/bcachefs/bkey.h:464 [inline] __bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] __bch2_bkey_cmp_packed_format_checked+0x2c7/0x800 fs/bcachefs/bkey.c:1020 bkey_cmp_p_or_unp fs/bcachefs/bset.h:291 [inline] bset_search_tree fs/bcachefs/bset.c:1121 [inline] __bch2_bset_search fs/bcachefs/bset.c:1173 [inline] bch2_btree_node_iter_init+0x105b/0x4280 fs/bcachefs/bset.c:1326 __btree_path_level_init fs/bcachefs/btree_iter.c:615 [inline] bch2_btree_path_level_init+0x4d2/0x9f0 fs/bcachefs/btree_iter.c:635 btree_path_lock_root fs/bcachefs/btree_iter.c:769 [inline] bch2_btree_path_traverse_one+0x10de/0x2940 fs/bcachefs/btree_iter.c:1183 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2210 [inline] bch2_btree_iter_peek_upto+0xb58/0x70e0 fs/bcachefs/btree_iter.c:2310 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:685 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:670 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline] bch2_check_allocations+0x1abe/0x7070 fs/bcachefs/btree_gc.c:1133 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: 0033:0x7f42b27874ca 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:00007f42b362be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f42b362bef0 RCX: 00007f42b27874ca RDX: 0000000020000000 RSI: 0000000020005900 RDI: 00007f42b362beb0 RBP: 0000000020000000 R08: 00007f42b362bef0 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020005900 R13: 00007f42b362beb0 R14: 00000000000059aa R15: 0000000020000040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 74 9f 89 fd 48 c7 c7 80 fa f2 8e 4c 89 e6 48 89 da e8 b2 ea e4 00 e9 f4 fc ff ff e8 58 9f 89 fd 90 0f 0b e8 50 9f 89 fd 90 <0f> 0b e8 48 9f 89 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d5addc0 EFLAGS: 00010287 RAX: ffffffff8415d4e0 RBX: 0000000000000003 RCX: 0000000000100000 RDX: ffffc9000e0ba000 RSI: 000000000005fd3b RDI: 000000000005fd3c RBP: 0000000000000000 R08: ffffffff8415ce35 R09: 0000000000000000 R10: ffffc9000d5ade80 R11: fffff52001ab5bd2 R12: ffffc9000d5ade80 R13: dffffc0000000000 R14: ffffffff00000100 R15: ffff8880553e08b0 FS: 00007f42b362c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562660018028 CR3: 0000000043e28000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400