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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 ffffc9000b624000 by task syz-executor.4/20127

CPU: 0 PID: 20127 Comm: syz-executor.4 Not tainted 6.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0x163/0x540 mm/kasan/report.c:475
 kasan_report+0x175/0x1b0 mm/kasan/report.c:588
 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
 flush_journal_list+0x2a8/0x1c70 fs/reiserfs/journal.c:1391
 flush_used_journal_lists+0x1256/0x15d0 fs/reiserfs/journal.c:1829
 do_journal_end+0x39fb/0x4780
 do_journal_begin_r+0x970/0x1020
 journal_begin+0x14c/0x360 fs/reiserfs/journal.c:3258
 __commit_trans_jl fs/reiserfs/journal.c:3869 [inline]
 reiserfs_commit_for_inode+0x736/0xbe0 fs/reiserfs/journal.c:3925
 reiserfs_dir_fsync+0xcb/0x100 fs/reiserfs/dir.c:43
 vfs_fsync_range fs/sync.c:188 [inline]
 vfs_fsync fs/sync.c:202 [inline]
 do_fsync fs/sync.c:212 [inline]
 __do_sys_fdatasync fs/sync.c:225 [inline]
 __se_sys_fdatasync fs/sync.c:223 [inline]
 __x64_sys_fdatasync+0xb8/0x110 fs/sync.c:223
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3b7207cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f3b70bfe0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
RAX: ffffffffffffffda RBX: 00007f3b7219bf80 RCX: 00007f3b7207cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f3b720c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3b7219bf80 R15: 00007fff940c8388
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc9000b5e9000, ffffc9000b625000) created by:
 reiserfs_allocate_list_bitmaps+0x50/0x220 fs/reiserfs/journal.c:290

Memory state around the buggy address:
 ffffc9000b623f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000b623f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000b624000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc9000b624080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc9000b624100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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