REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): using 3.5.x disk format ================================================================== BUG: KASAN: out-of-bounds in leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377 Read of size 18446744073709551584 at addr ffff0000e20b7fa4 by task syz-executor209/5969 CPU: 1 PID: 5969 Comm: syz-executor209 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:351 [inline] print_report+0x174/0x514 mm/kasan/report.c:462 kasan_report+0xd4/0x130 mm/kasan/report.c:572 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:187 __asan_memmove+0x3c/0x84 mm/kasan/shadow.c:94 leaf_paste_entries+0x698/0xb10 fs/reiserfs/lbalance.c:1377 balance_leaf_finish_node_paste_dirent fs/reiserfs/do_balan.c:1295 [inline] balance_leaf_finish_node_paste fs/reiserfs/do_balan.c:1321 [inline] balance_leaf_finish_node fs/reiserfs/do_balan.c:1364 [inline] balance_leaf+0xa0d4/0xe860 fs/reiserfs/do_balan.c:1452 do_balance+0x27c/0x788 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2157 reiserfs_add_entry+0x8ec/0xcc4 fs/reiserfs/namei.c:565 reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:860 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:890 [inline] reiserfs_xattr_init+0x2b4/0x638 fs/reiserfs/xattr.c:1006 reiserfs_fill_super+0x1bfc/0x2028 fs/reiserfs/super.c:2175 mount_bdev+0x274/0x370 fs/super.c:1380 get_super_block+0x44/0x58 fs/reiserfs/super.c:2601 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610 vfs_get_tree+0x90/0x274 fs/super.c:1510 do_new_mount+0x25c/0x8c4 fs/namespace.c:3039 path_mount+0x590/0xe04 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 The buggy address belongs to the physical page: page:00000000e3a15a23 refcount:3 mapcount:0 mapping:00000000fafcd55d index:0x213 pfn:0x1220b7 memcg:ffff0000c1972000 aops:def_blk_aops ino:700000 flags: 0x5ffc00000002022(referenced|active|private|node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000002022 0000000000000000 dead000000000122 ffff0000c153bf00 raw: 0000000000000213 ffff0000defa29f8 00000003ffffffff ffff0000c1972000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000e20b7e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000e20b7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000e20b7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff0000e20b8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000e20b8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 16872, item_location 2, free_space(entry_count) 21376 REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck? REISERFS (device loop0): Remounting filesystem read-only REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. REISERFS warning: reiserfs-5094 has_valid_deh_location: directory entry location seems wrong *3.5*[1768256046 1718773107 0x72705f73 UNKNOWN], item_len 16872, item_location 2, free_space(entry_count) 21376 REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 531. Fsck? REISERFS error (device loop0): zam-7001 reiserfs_find_entry: io error