running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance invalid bkey in btree_node btree=extents level=0: u64s 7 type snapshot_tree 536870912:8:U32_MAX len 8 ver 0: subvol 1803188595 root snapshot 1701604449 bad pos: delete?, fixing 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: incorrect max key 18446744069414584320:51539607551:U32_MAX 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 at btree alloc level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key R POS_MIN durability: 1 ptr: 0:26:0 gen 0 node offset 8/24 bset u64s 375 bset byte offset 328: keys out of order: u64s 11 type alloc_v4 7696581394432:3:0 len 0 ver 0 > u64s 11 type alloc_v4 0:4:0 len 0 ver 0, fixing invalid bkey in btree_node btree=alloc level=0: u64s 11 type alloc_v4 0:1:0 len 0 ver 0: gen 0 oldest_gen 0 data_type sb journal_seq_nonempty 1 journal_seq_empty 0 need_discard 1 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] 844424930131969 fragmentation 0 bp_start 8 invalid io_time[write]: 844424930131969, max 281474976710655: deleting bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=alloc level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key R POS_MIN durability: 1 ptr: 0:26:0 gen 0 bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 7 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root xattrs unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=xattrs level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 18446744069414584320:51539607551:U32_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 btree node with incorrect max_key at btree=xattrs level=1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 18446744069414584320:51539607551:U32_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=xattrs level=0 18446744069414584320:51539607552:0 - SPOS_MAX btree node with incorrect max_key at btree=xattrs level=1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 18446744069414584320:51539607551:U32_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 18446744069414584320:51539607551:U32_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 -> SPOS_MAX done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey.c:298! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #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 f4 b2 7d fd 48 c7 c7 60 14 14 8f 4c 89 e6 48 89 da e8 32 d8 e9 00 e9 f4 fc ff ff e8 d8 b2 7d fd 90 0f 0b e8 d0 b2 7d fd 90 <0f> 0b e8 c8 b2 7d fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d416440 EFLAGS: 00010287 RAX: ffffffff84440b30 RBX: 0000000000000003 RCX: 0000000000100000 RDX: ffffc9000f5e1000 RSI: 0000000000067dbd RDI: 0000000000067dbe RBP: 0000000000000000 R08: ffffffff84440485 R09: 0000000000000000 R10: ffffc9000d416500 R11: fffff52001a82ca2 R12: ffffc9000d416500 R13: dffffc0000000000 R14: 000000000000002a R15: ffff8880564202b8 FS: 00007f86657496c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559c83e680e8 CR3: 0000000044328000 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:449 [inline] bkey_unpack_pos fs/bcachefs/bkey.h:457 [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:617 [inline] bch2_btree_path_level_init+0x4d2/0x9f0 fs/bcachefs/btree_iter.c:637 btree_path_lock_root fs/bcachefs/btree_iter.c:787 [inline] bch2_btree_path_traverse_one+0x108b/0x2930 fs/bcachefs/btree_iter.c:1203 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2270 [inline] bch2_btree_iter_peek_max+0xc06/0x6320 fs/bcachefs/btree_iter.c:2373 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:693 [inline] bch2_alloc_read+0x1719/0x2f50 fs/bcachefs/alloc_background.c:624 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+0x265a/0x3de0 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1041 bch2_fs_get_tree+0xdb7/0x17a0 fs/bcachefs/fs.c:2203 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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: 0033:0x7f866498e90a 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:00007f8665748e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f8665748ef0 RCX: 00007f866498e90a RDX: 0000400000000200 RSI: 00004000000000c0 RDI: 00007f8665748eb0 RBP: 0000400000000200 R08: 00007f8665748ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00004000000000c0 R13: 00007f8665748eb0 R14: 0000000000005997 R15: 0000400000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 f4 b2 7d fd 48 c7 c7 60 14 14 8f 4c 89 e6 48 89 da e8 32 d8 e9 00 e9 f4 fc ff ff e8 d8 b2 7d fd 90 0f 0b e8 d0 b2 7d fd 90 <0f> 0b e8 c8 b2 7d fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d416440 EFLAGS: 00010287 RAX: ffffffff84440b30 RBX: 0000000000000003 RCX: 0000000000100000 RDX: ffffc9000f5e1000 RSI: 0000000000067dbd RDI: 0000000000067dbe RBP: 0000000000000000 R08: ffffffff84440485 R09: 0000000000000000 R10: ffffc9000d416500 R11: fffff52001a82ca2 R12: ffffc9000d416500 R13: dffffc0000000000 R14: 000000000000002a R15: ffff8880564202b8 FS: 00007f86657496c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559c83e680e8 CR3: 0000000044328000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400