REISERFS (device loop6): Created .reiserfs_priv - reserved for xattr storage.
REISERFS warning: reiserfs-5090 is_tree_node: node level 8 does not match to the expected one -1
REISERFS error (device loop6): vs-5150 search_by_key: invalid format found in block 0. Fsck?
REISERFS (device loop6): Remounting filesystem read-only
REISERFS error (device loop6): zam-7001 reiserfs_find_entry: io error
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list+0x187/0x500 fs/reiserfs/journal.c:231
Read of size 8 at addr ffffc90003b84000 by task syz.6.1632/13690

CPU: 1 PID: 13690 Comm: syz.6.1632 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 cleanup_bitmap_list+0x187/0x500 fs/reiserfs/journal.c:231
 free_list_bitmaps+0x46/0x190 fs/reiserfs/journal.c:249
 free_journal_ram+0xdf/0x3c0 fs/reiserfs/journal.c:1884
 do_journal_release fs/reiserfs/journal.c:1957 [inline]
 journal_release_error+0x76/0x90 fs/reiserfs/journal.c:1975
 reiserfs_fill_super+0x1105/0x23e0 fs/reiserfs/super.c:2227
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2f13c6d76a
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:00007f2f11ed2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2f11ed2ef0 RCX: 00007f2f13c6d76a
RDX: 0000200000001100 RSI: 0000200000000040 RDI: 00007f2f11ed2eb0
RBP: 0000200000001100 R08: 00007f2f11ed2ef0 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000246 R12: 0000200000000040
R13: 00007f2f11ed2eb0 R14: 000000000000110f R15: 00002000000000c0
 </TASK>


Memory state around the buggy address:
 ffffc90003b83f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90003b83f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90003b84000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc90003b84080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90003b84100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================