==================================================================
BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list.part.0+0x4dd/0x5c0 fs/reiserfs/journal.c:230
Read of size 8 at addr ffffc90000af6008 by task syz-executor195/5072
CPU: 1 PID: 5072 Comm: syz-executor195 Not tainted 6.6.0-next-20231101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0xc3/0x620 mm/kasan/report.c:475
kasan_report+0xd9/0x110 mm/kasan/report.c:588
cleanup_bitmap_list.part.0+0x4dd/0x5c0 fs/reiserfs/journal.c:230
cleanup_bitmap_list fs/reiserfs/journal.c:226 [inline]
free_list_bitmaps fs/reiserfs/journal.c:248 [inline]
free_journal_ram+0x15e/0x5c0 fs/reiserfs/journal.c:1886
do_journal_release fs/reiserfs/journal.c:1959 [inline]
journal_release+0x2a3/0x650 fs/reiserfs/journal.c:1970
reiserfs_put_super+0xe9/0x5c0 fs/reiserfs/super.c:616
generic_shutdown_super+0x161/0x3c0 fs/super.c:674
kill_block_super+0x3b/0x90 fs/super.c:1667
deactivate_locked_super+0xbc/0x1a0 fs/super.c:487
deactivate_super+0xde/0x100 fs/super.c:520
cleanup_mnt+0x222/0x450 fs/namespace.c:1256
task_work_run+0x14c/0x240 kernel/task_work.c:180
ptrace_notify+0x109/0x130 kernel/signal.c:2399
ptrace_report_syscall include/linux/ptrace.h:411 [inline]
ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline]
syscall_exit_work kernel/entry/common.c:251 [inline]
syscall_exit_to_user_mode_prepare+0x11c/0x230 kernel/entry/common.c:278
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0xd/0x60 kernel/entry/common.c:296
do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:88
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7fe7856893c7
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffecb579f78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe7856893c7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffecb57a030
RBP: 00007ffecb57a030 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffecb57b090
R13: 000055555607b6c0 R14: 0000000000000001 R15: 431bde82d7b634db
</TASK>
The buggy address belongs to the virtual mapping at
[ffffc90000af6000, ffffc90000af8000) created by:
reiserfs_allocate_list_bitmaps+0x58/0x1c0 fs/reiserfs/journal.c:289
The buggy address belongs to the physical page:
page:ffffea0001dc4040 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x77101
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 5073, tgid 5073 (syz-executor195), ts 97932422982, free_ts 88306308344
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1537
prep_new_page mm/page_alloc.c:1544 [inline]
get_page_from_freelist+0xa16/0x3680 mm/page_alloc.c:3348
__alloc_pages+0x1cf/0x4c0 mm/page_alloc.c:4604
__alloc_pages_bulk+0x77a/0x1110 mm/page_alloc.c:4552
alloc_pages_bulk_array_mempolicy+0x21d/0x400 mm/mempolicy.c:2296
vm_area_alloc_pages mm/vmalloc.c:3028 [inline]
__vmalloc_area_node mm/vmalloc.c:3139 [inline]
__vmalloc_node_range+0x10b5/0x1be0 mm/vmalloc.c:3320
__vmalloc_node mm/vmalloc.c:3385 [inline]
vzalloc+0x6b/0x80 mm/vmalloc.c:3458
reiserfs_allocate_list_bitmaps+0x58/0x1c0 fs/reiserfs/journal.c:289
journal_init+0x3e2/0x6990 fs/reiserfs/journal.c:2734
reiserfs_fill_super+0xcc6/0x3150 fs/reiserfs/super.c:2022
mount_bdev+0x1df/0x2d0 fs/super.c:1650
legacy_get_tree+0x109/0x220 fs/fs_context.c:662
vfs_get_tree+0x8c/0x370 fs/super.c:1771
do_new_mount fs/namespace.c:3337 [inline]
path_mount+0x148e/0x1ed0 fs/namespace.c:3664
do_mount fs/namespace.c:3677 [inline]
__do_sys_mount fs/namespace.c:3886 [inline]
__se_sys_mount fs/namespace.c:3863 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:3863
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1137 [inline]
free_unref_page_prepare+0x4f8/0xa90 mm/page_alloc.c:2383
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2523
__folio_put_small mm/swap.c:106 [inline]
__folio_put+0xc3/0x110 mm/swap.c:129
folio_put include/linux/mm.h:1483 [inline]
put_page include/linux/mm.h:1552 [inline]
anon_pipe_buf_release+0x3fa/0x4b0 fs/pipe.c:138
pipe_buf_release include/linux/pipe_fs_i.h:219 [inline]
pipe_update_tail fs/pipe.c:234 [inline]
pipe_read+0x645/0x1400 fs/pipe.c:354
call_read_iter include/linux/fs.h:2014 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x7c2/0x8f0 fs/read_write.c:470
ksys_read+0x1f0/0x250 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x62/0x6a
Memory state around the buggy address:
ffffc90000af5f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90000af5f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90000af6000: 00 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc90000af6080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90000af6100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================