loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,wide_macs,journal_flush_disabled,nojournal_transaction_names,reconstruct_alloc,version_upgrade=incompatible invalid journal entry, version=1.7: mi_btree_bitmap type=dev_usage in superblock: bad pad, fixing bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade from 1.13: inode_has_child_snapshots to 1.7: mi_btree_bitmap incomplete Doing compatible version upgrade from 1.13: inode_has_child_snapshots to 1.20: directory_size running recovery passes: check_allocations,check_extents_to_backpointers,check_dirents bcachefs (loop0): Now allowing incompatible features up to 1.20: directory_size, previously allowed up to 0.0: (unknown version) bcachefs (loop0): dropping and reconstructing all alloc info bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/16 bset u64s 51: checksum error, type chacha20_poly1305_128: got 7655464164414bc73f90095d81ff337e should be 37f1d6087d67d21bebd469bc807a31f8, fixing bcachefs (loop0): error validating btree node at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/16 bset u64s 51 bset byte offset 304: keys out of order: u64s 8 type extent 11889503017331851265:24:U32_MAX len 24 ver 2 > u64s 18 type inline_data 1073741826:8:U32_MAX len 8 ver 0, fixing bcachefs (loop0): error validating btree node at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/16 bset u64s 49 bset byte offset 304: bad k->u64s 0 (min 3 max 253), fixing invalid bkey in btree_node btree=extents level=0: u64s 8 type extent 11889503017331851265:24:U32_MAX len 24 ver 2: durability: 1 ec: idx 50640243518652 block 8 ptr: 133:4150271150585 gen 117 ptr: 0:34:8 gen 0 extent with unwritten and written ptrs: delete?, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=extents level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 ================================================================== BUG: KASAN: use-after-free in crypto_poly1305_update+0x28/0x40 arch/x86/crypto/poly1305_glue.c:230 Read of size 8 at addr ffff8880551a0090 by task syz.0.0/5320 CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #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_address_description mm/kasan/report.c:408 [inline] print_report+0x16e/0x5b0 mm/kasan/report.c:521 kasan_report+0x143/0x180 mm/kasan/report.c:634 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 crypto_poly1305_update+0x28/0x40 arch/x86/crypto/poly1305_glue.c:230 bch2_checksum+0x5fa/0x780 fs/bcachefs/checksum.c:239 bch2_btree_node_read_done+0x155c/0x6180 fs/bcachefs/btree_io.c:1100 btree_node_read_work+0x6dc/0x1380 fs/bcachefs/btree_io.c:1358 bch2_btree_node_read+0x2433/0x29f0 __bch2_btree_root_read fs/bcachefs/btree_io.c:1789 [inline] bch2_btree_root_read+0x626/0x7b0 fs/bcachefs/btree_io.c:1811 read_btree_roots+0x3d3/0xa70 fs/bcachefs/recovery.c:581 bch2_fs_recovery+0x260f/0x3de0 fs/bcachefs/recovery.c:928 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: 0033:0x7f9e4f18e90a 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:00007f9e4ff22e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9e4ff22ef0 RCX: 00007f9e4f18e90a RDX: 00004000000004c0 RSI: 000040000000f680 RDI: 00007f9e4ff22eb0 RBP: 00004000000004c0 R08: 00007f9e4ff22ef0 R09: 000000000000000c R10: 000000000000000c R11: 0000000000000246 R12: 000040000000f680 R13: 00007f9e4ff22eb0 R14: 000000000000f62b R15: 0000400000000200 The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x551a0 flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) page_type: f0(buddy) raw: 04fff00000000000 ffff88805ffd7028 ffffea0001545008 0000000000000000 raw: 0000000000000000 0000000000000005 00000000f0000000 0000000000000000 page dumped because: kasan: bad access detected page_owner info is not present (never set?) Memory state around the buggy address: ffff88805519ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8880551a0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff8880551a0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff8880551a0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8880551a0180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================