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BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list+0x175/0x500 fs/reiserfs/journal.c:231
Read of size 8 at addr ffffc90006371000 by task syz-executor.3/8000

CPU: 1 PID: 8000 Comm: syz-executor.3 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 cleanup_bitmap_list+0x175/0x500 fs/reiserfs/journal.c:231
 cleanup_freed_for_journal_list fs/reiserfs/journal.c:570 [inline]
 flush_commit_list+0x12a1/0x1bf0 fs/reiserfs/journal.c:1142
 get_list_bitmap+0x160/0x320 fs/reiserfs/journal.c:322
 do_journal_end+0x3b30/0x4870 fs/reiserfs/journal.c:4361
 do_journal_begin_r+0x96c/0x1020
 journal_begin+0x148/0x350 fs/reiserfs/journal.c:3257
 reiserfs_mkdir+0x346/0x8f0 fs/reiserfs/namei.c:833
 xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
 create_privroot fs/reiserfs/xattr.c:882 [inline]
 reiserfs_xattr_init+0x348/0x730 fs/reiserfs/xattr.c:1005
 reiserfs_fill_super+0x2203/0x2620 fs/reiserfs/super.c:2175
 mount_bdev+0x2c9/0x3f0 fs/super.c:1432
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1562
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3051
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdd0b27f46a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdd09df5ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdd09df5f80 RCX: 00007fdd0b27f46a
RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007fdd09df5f40
RBP: 0000000020001100 R08: 00007fdd09df5f80 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000202 R12: 0000000020000040
R13: 00007fdd09df5f40 R14: 000000000000110a R15: 0000000020000340
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc90006336000, ffffc90006372000) created by:
 reiserfs_allocate_list_bitmaps+0x13f/0x220 fs/reiserfs/journal.c:290

Memory state around the buggy address:
 ffffc90006370f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90006370f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90006371000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc90006371080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90006371100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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