loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=lz4,grpquota,fsck,fix_errors=yes,nojournal_transaction_names,no_data_io invalid bkey u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key 17870283321406128128:0:0 durability: 0 ptr: 255:17592186044415 gen 0 cached has unwritten ptrs: delete?, fixing invalid bkey u64s 11 type btree_ptr_v2 U64_MAX:18446744073692774400:10 len 3036676096 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 size != 0: delete?, fixing bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade required: Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots 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 btree root inodes, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): flagging btree inodes lost data bcachefs (loop0): flagging btree xattrs lost data error reading btree root xattrs l=0: btree_node_read_error, fixing invalid bkey u64s 12 type alloc_v4 0:28:0 len 0 ver 0: gen 0 oldest_gen 0 data_type btree journal_seq 6 need_discard 1 need_inc_gen 1 dirty_sectors 0 stripe_sectors 0 cached_sectors 0 stripe 0 stripe_redundancy 0 io_time[READ] 1 io_time[WRITE] 768 fragmentation 0 bp_start 8 invalid data type (got 3 should be 9): delete?, fixing invalid btree root stripes, fixing bcachefs (loop0): flagging btree stripes lost data invalid bkey u64s 5 type set 0:37:0 len 4294964982 ver 0 size greater than offset (4294964982 > 37): delete?, fixing bcachefs (loop0): flagging btree freespace lost data error reading btree root freespace l=0: btree_node_read_error, fixing ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: null-ptr-deref in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: null-ptr-deref in btree_node_fake fs/bcachefs/btree_types.h:622 [inline] BUG: KASAN: null-ptr-deref in have_stripes fs/bcachefs/sb-downgrade.c:146 [inline] BUG: KASAN: null-ptr-deref in bch2_sb_set_upgrade_extra+0x152/0x270 fs/bcachefs/sb-downgrade.c:161 Read of size 8 at addr 00000000000000b0 by task syz.0.0/5107 CPU: 0 UID: 0 PID: 5107 Comm: syz.0.0 Not tainted 6.12.0-rc3-syzkaller-00319-gb04ae0f45168 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_report+0xe8/0x550 mm/kasan/report.c:491 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] btree_node_fake fs/bcachefs/btree_types.h:622 [inline] have_stripes fs/bcachefs/sb-downgrade.c:146 [inline] bch2_sb_set_upgrade_extra+0x152/0x270 fs/bcachefs/sb-downgrade.c:161 bch2_fs_recovery+0x25c4/0x39c0 fs/bcachefs/recovery.c:860 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2174 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 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: 0033:0x7f3a5037f79a 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:00007f3a5123ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f3a5123eef0 RCX: 00007f3a5037f79a RDX: 00000000200058c0 RSI: 0000000020000000 RDI: 00007f3a5123eeb0 RBP: 00000000200058c0 R08: 00007f3a5123eef0 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f3a5123eeb0 R14: 000000000000590f R15: 0000000020000140 ==================================================================