REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using r5 hash to sort names
reiserfs: enabling write barrier flush mode
==================================================================
BUG: KASAN: out-of-bounds in leaf_paste_entries+0x504/0x944 fs/reiserfs/lbalance.c:1377
Read of size 18446744073709551587 at addr ffff0000dd91ffa4 by task syz-executor336/3963

CPU: 1 PID: 3963 Comm: syz-executor336 Not tainted 5.15.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
 memmove+0x90/0xe8 mm/kasan/shadow.c:54
 leaf_paste_entries+0x504/0x944 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/0x790 fs/reiserfs/do_balan.c:1888
 reiserfs_paste_into_item+0x630/0x744 fs/reiserfs/stree.c:2159
 reiserfs_add_entry+0x8c0/0xc8c fs/reiserfs/namei.c:567
 reiserfs_mkdir+0x588/0x77c fs/reiserfs/namei.c:862
 xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
 create_privroot fs/reiserfs/xattr.c:889 [inline]
 reiserfs_xattr_init+0x2b0/0x6dc fs/reiserfs/xattr.c:1012
 reiserfs_remount+0x78c/0x13f4
 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:633
 reconfigure_super+0x340/0x690 fs/super.c:916
 do_remount fs/namespace.c:2656 [inline]
 path_mount+0xc94/0x104c fs/namespace.c:3316
 do_mount fs/namespace.c:3337 [inline]
 __do_sys_mount fs/namespace.c:3545 [inline]
 __se_sys_mount fs/namespace.c:3522 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

The buggy address belongs to the page:
page:0000000027b817e2 refcount:2 mapcount:0 mapping:000000000035d489 index:0x213 pfn:0x11d91f
memcg:ffff0000c0894000
aops:def_blk_aops ino:700000
flags: 0x5ffc00000002032(referenced|lru|active|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000002032 fffffc0006cea6c8 fffffc00037c7408 ffff0000c058cf48
raw: 0000000000000213 ffff0000dec90488 00000002ffffffff ffff0000c0894000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000dd91fe80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000dd91ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000dd91ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                               ^
 ffff0000dd920000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000dd920080: 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*[771751938 1936287090 0x73667265 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*[771751938 1936287090 0x73667265 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
------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1913!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3963 Comm: syz-executor336 Tainted: G    B             5.15.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : do_journal_release+0x448/0x454 fs/reiserfs/journal.c:1913
lr : do_journal_release+0x448/0x454 fs/reiserfs/journal.c:1913
sp : ffff80001cbc7780
x29: ffff80001cbc7820 x28: 1ffff0000291da9d x27: 1fffe0001b9180cf
x26: dfff800000000000 x25: ffff700003978ef0 x24: ffff80001cb99000
x23: 0000000000000000 x22: ffff80001cbc78e0 x21: ffff80001cbc77a0
x20: ffff0000dc8c0678 x19: ffff0000dc8c0000 x18: 1ffff00003973205
x17: ff808000086d7490 x16: ffff8000088cadd0 x15: ffff8000081aceb4
x14: 00000000119503c4 x13: ffffffffffffffff x12: 0000000000000000
x11: ff80800008ce12ec x10: 0000000000000000 x9 : ffff800008ce12ec
x8 : ffff0000c7e68000 x7 : 0000000000000000 x6 : ffff800008d02a70
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000030
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 do_journal_release+0x448/0x454 fs/reiserfs/journal.c:1913
 journal_release+0x2c/0x40 fs/reiserfs/journal.c:1968
 reiserfs_put_super+0x204/0x444 fs/reiserfs/super.c:616
 generic_shutdown_super+0x130/0x29c fs/super.c:475
 kill_block_super+0x70/0xdc fs/super.c:1405
 reiserfs_kill_sb+0x134/0x14c fs/reiserfs/super.c:570
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x688/0x2134 kernel/exit.c:872
 do_group_exit+0x110/0x268 kernel/exit.c:994
 __do_sys_exit_group kernel/exit.c:1005 [inline]
 __se_sys_exit_group kernel/exit.c:1003 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1003
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 97efa5ad 17ffff58 95c914e5 97df87a1 (d4210000) 
---[ end trace a2c2013f07daf165 ]---