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 invalid bkey u64s 11 type hash_whiteout 0:123:0 len 0 ver 0: incorrect value size (48 != 0): delete?, fixing bcachefs (loop0): error validating btree node on loop0 at btree freespace level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 0 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0 node offset 16/0: found bset signature after last bset, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=freespace level=0 SPOS_MAX due to error bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... btree ptr not marked in member info btree allocated bitmap 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, fixing btree ptr not marked in member info btree allocated bitmap 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, fixing btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing btree ptr not marked in member info btree allocated bitmap 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, fixing btree ptr not marked in member info btree allocated bitmap 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, fixing btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 0 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bucket 0:29 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 e81e1ed936acf3df written 0 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bucket 0:12 gen 0 has wrong data_type: got free, should be journal, fixing bucket 0:12 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:29 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:29 gen 0 data type btree has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:123 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:123 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_write_buffer.c:147! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-11677-g2ba9f676d0a2 #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:wb_flush_one fs/bcachefs/btree_write_buffer.c:147 [inline] RIP: 0010:bch2_btree_write_buffer_flush_locked+0x56bd/0x5a00 fs/bcachefs/btree_write_buffer.c:379 Code: c9 fd f4 ff e8 34 9f 6e fd 90 0f 0b e8 2c 9f 6e fd 90 0f 0b e8 24 9f 6e fd 90 0f 0b e8 1c 9f 6e fd 90 0f 0b e8 14 9f 6e fd 90 <0f> 0b e8 0c 9f 6e fd 90 0f 0b e8 b4 e9 a1 07 e8 ff 9e 6e fd 90 0f RSP: 0018:ffffc900019b6760 EFLAGS: 00010293 RAX: ffffffff8427427c RBX: 070000000000000c RCX: ffff888000ac0000 RDX: 0000000000000000 RSI: 000000000000000c RDI: 070000000000000c RBP: ffffc900019b6bb0 R08: ffffffff8427052b R09: 0000000000000000 R10: ffffc900019b6240 R11: fffff52000336c49 R12: ffffc900242004b0 R13: ffff888055c14000 R14: 000000000000000c R15: ffffc90024200000 FS: 00007f0c6e7fe6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562ff636b0c8 CR3: 00000000413ee000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btree_write_buffer_flush_seq+0x1b23/0x1cc0 fs/bcachefs/btree_write_buffer.c:517 bch2_btree_write_buffer_journal_flush+0xc7/0x150 fs/bcachefs/btree_write_buffer.c:533 journal_flush_pins+0x5f7/0xb20 fs/bcachefs/journal_reclaim.c:565 journal_flush_done+0x8e/0x260 fs/bcachefs/journal_reclaim.c:819 bch2_journal_flush_pins+0x18a/0x3a0 fs/bcachefs/journal_reclaim.c:852 bch2_journal_flush_all_pins fs/bcachefs/journal_reclaim.h:76 [inline] bch2_journal_replay+0x270f/0x2a40 fs/bcachefs/recovery.c:383 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: 0033:0x7f0c6ed81fea 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:00007f0c6e7fde88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f0c6e7fdf10 RCX: 00007f0c6ed81fea RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007f0c6e7fded0 RBP: 00000000200058c0 R08: 00007f0c6e7fdf10 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020005900 R13: 00007f0c6e7fded0 R14: 000000000000593e R15: 00000000200001c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:wb_flush_one fs/bcachefs/btree_write_buffer.c:147 [inline] RIP: 0010:bch2_btree_write_buffer_flush_locked+0x56bd/0x5a00 fs/bcachefs/btree_write_buffer.c:379 Code: c9 fd f4 ff e8 34 9f 6e fd 90 0f 0b e8 2c 9f 6e fd 90 0f 0b e8 24 9f 6e fd 90 0f 0b e8 1c 9f 6e fd 90 0f 0b e8 14 9f 6e fd 90 <0f> 0b e8 0c 9f 6e fd 90 0f 0b e8 b4 e9 a1 07 e8 ff 9e 6e fd 90 0f RSP: 0018:ffffc900019b6760 EFLAGS: 00010293 RAX: ffffffff8427427c RBX: 070000000000000c RCX: ffff888000ac0000 RDX: 0000000000000000 RSI: 000000000000000c RDI: 070000000000000c RBP: ffffc900019b6bb0 R08: ffffffff8427052b R09: 0000000000000000 R10: ffffc900019b6240 R11: fffff52000336c49 R12: ffffc900242004b0 R13: ffff888055c14000 R14: 000000000000000c R15: ffffc90024200000 FS: 00007f0c6e7fe6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562ff636b0c8 CR3: 00000000413ee000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400