fragmentation 0 bp_start 8 invalid data type (got 3 should be 9): delete?, fixing bcachefs (loop0): check_topology... done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bucket 0:26 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 ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0, fixing bucket 0:38 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 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing bucket 0:41 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 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing bucket 0:35 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 c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bucket 0:28 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 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 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 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bucket 0:1 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:1 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:2 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:2 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:3 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:3 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:4 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:4 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:5 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:5 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:6 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:6 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:7 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:7 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:8 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:8 gen 0 data type sb has wrong dirty_sectors: got 0, should be 8, fixing bucket 0:16 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:16 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:17 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:17 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:18 gen 0 has wrong data_type: got free, should be sb, fixing bcachefs (loop0): Ratelimiting new instances of previous error bucket 0:18 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): Ratelimiting new instances of previous error done bcachefs (loop0): going read-write bcachefs (loop0): Fixed errors, running fsck a second time to verify fs is clean bcachefs (loop0): scanning for old btree nodes: min_version 0.9: (unknown version) ------------[ cut here ]------------ kernel BUG at fs/bcachefs/alloc_foreground.c:493! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #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:bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:493 [inline] RIP: 0010:bch2_bucket_alloc_trans+0x39ec/0x3a50 fs/bcachefs/alloc_foreground.c:648 Code: e8 f9 38 f0 fd e9 f0 c7 ff ff 89 d9 80 e1 07 38 c1 0f 8c f3 fd ff ff 48 89 df e8 8f 37 f0 fd e9 e6 fd ff ff e8 a5 6d 86 fd 90 <0f> 0b e8 9d 6d 86 fd 90 0f 0b e8 85 0a b9 07 f3 0f 1e fa e8 8c 6d RSP: 0018:ffffc9000d5756a0 EFLAGS: 00010246 RAX: ffffffff840e6c6b RBX: 0000000000000019 RCX: 0000000000040000 RDX: ffffc9000d35a000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d575dc8 R08: ffffffff840e3f39 R09: 0000000000000000 R10: ffffc9000d575c88 R11: fffff52001aaeb96 R12: dffffc0000000000 R13: ffff88804412c000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f129cacc6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562046b68078 CR3: 0000000044004000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_bucket_alloc_set_trans+0x517/0xd30 fs/bcachefs/alloc_foreground.c:808 __open_bucket_add_buckets+0x13d0/0x1ec0 fs/bcachefs/alloc_foreground.c:1057 open_bucket_add_buckets+0x33a/0x410 fs/bcachefs/alloc_foreground.c:1101 bch2_alloc_sectors_start_trans+0xce9/0x2030 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:339 [inline] bch2_btree_reserve_get+0x612/0x1890 fs/bcachefs/btree_update_interior.c:549 bch2_btree_update_start+0xe56/0x14e0 fs/bcachefs/btree_update_interior.c:1247 bch2_btree_node_rewrite+0x1c0/0x1280 fs/bcachefs/btree_update_interior.c:2148 bch2_move_btree+0x7af/0xde0 fs/bcachefs/move.c:865 bch2_scan_old_btree_nodes+0x14b/0x3c0 fs/bcachefs/move.c:995 bch2_fs_recovery+0x34f5/0x39d0 fs/bcachefs/recovery.c:974 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 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: 0033:0x7f129bd7feba 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:00007f129cacbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f129cacbef0 RCX: 00007f129bd7feba RDX: 00000000200020c0 RSI: 0000000020005900 RDI: 00007f129cacbeb0 RBP: 00000000200020c0 R08: 00007f129cacbef0 R09: 0000000000010010 R10: 0000000000010010 R11: 0000000000000246 R12: 0000000020005900 R13: 00007f129cacbeb0 R14: 0000000000005920 R15: 00000000200021c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:493 [inline] RIP: 0010:bch2_bucket_alloc_trans+0x39ec/0x3a50 fs/bcachefs/alloc_foreground.c:648 Code: e8 f9 38 f0 fd e9 f0 c7 ff ff 89 d9 80 e1 07 38 c1 0f 8c f3 fd ff ff 48 89 df e8 8f 37 f0 fd e9 e6 fd ff ff e8 a5 6d 86 fd 90 <0f> 0b e8 9d 6d 86 fd 90 0f 0b e8 85 0a b9 07 f3 0f 1e fa e8 8c 6d RSP: 0018:ffffc9000d5756a0 EFLAGS: 00010246 RAX: ffffffff840e6c6b RBX: 0000000000000019 RCX: 0000000000040000 RDX: ffffc9000d35a000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d575dc8 R08: ffffffff840e3f39 R09: 0000000000000000 R10: ffffc9000d575c88 R11: fffff52001aaeb96 R12: dffffc0000000000 R13: ffff88804412c000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f129cacc6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562046b68078 CR3: 0000000044004000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400