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BUG: KASAN: use-after-free in crc_itu_t+0x1dd/0x2b0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff88802f13c000 by task syz-executor.4/3673

CPU: 1 PID: 3673 Comm: syz-executor.4 Not tainted 6.1.0-rc7-syzkaller-00101-g01f856ae6d0c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
 print_address_description+0x74/0x340 mm/kasan/report.c:284
 print_report+0x107/0x1f0 mm/kasan/report.c:395
 kasan_report+0xcd/0x100 mm/kasan/report.c:495
 crc_itu_t+0x1dd/0x2b0 lib/crc-itu-t.c:60
 udf_finalize_lvid fs/udf/super.c:2021 [inline]
 udf_sync_fs+0x1bc/0x360 fs/udf/super.c:2377
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x310 fs/super.c:474
 kill_block_super+0x79/0xd0 fs/super.c:1428
 deactivate_locked_super+0xa7/0xf0 fs/super.c:332
 cleanup_mnt+0x494/0x520 fs/namespace.c:1186
 task_work_run+0x243/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff965e8d547
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc90f4b4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff965e8d547
RDX: 00007ffc90f4b58b RSI: 000000000000000a RDI: 00007ffc90f4b580
RBP: 00007ffc90f4b580 R08: 00000000ffffffff R09: 00007ffc90f4b350
R10: 0000555556f0c8b3 R11: 0000000000000246 R12: 00007ff965ee6b24
R13: 00007ffc90f4c640 R14: 0000555556f0c810 R15: 00007ffc90f4c680
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0000bc4f00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x2f13c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea0000bc2cc8 ffffea0001553148 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 16422, tgid 16422 (modprobe), ts 596695227068, free_ts 596847552702
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x742/0x7c0 mm/page_alloc.c:4291
 __alloc_pages+0x259/0x560 mm/page_alloc.c:5558
 __folio_alloc+0xf/0x30 mm/page_alloc.c:5590
 vma_alloc_folio+0x660/0xb60 mm/mempolicy.c:2246
 alloc_page_vma include/linux/gfp.h:270 [inline]
 do_cow_fault+0xa3/0x5d0 mm/memory.c:4573
 do_fault mm/memory.c:4685 [inline]
 handle_pte_fault mm/memory.c:4955 [inline]
 __handle_mm_fault mm/memory.c:5097 [inline]
 handle_mm_fault+0x1ba6/0x3630 mm/memory.c:5218
 do_user_addr_fault+0x69b/0xcb0 arch/x86/mm/fault.c:1428
 handle_page_fault arch/x86/mm/fault.c:1519 [inline]
 exc_page_fault+0x7a/0x110 arch/x86/mm/fault.c:1575
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1459 [inline]
 free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1509
 free_unref_page_prepare mm/page_alloc.c:3387 [inline]
 free_unref_page_list+0xb4/0x7b0 mm/page_alloc.c:3529
 release_pages+0x232a/0x25c0 mm/swap.c:1055
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:256 [inline]
 tlb_flush_mmu+0x850/0xa70 mm/mmu_gather.c:263
 tlb_finish_mmu+0xcb/0x200 mm/mmu_gather.c:363
 exit_mmap+0x275/0x630 mm/mmap.c:3105
 __mmput+0x114/0x3b0 kernel/fork.c:1185
 exit_mm+0x1f5/0x2d0 kernel/exit.c:516
 do_exit+0x5e7/0x2070 kernel/exit.c:807
 do_group_exit+0x1fd/0x2b0 kernel/exit.c:950
 __do_sys_exit_group kernel/exit.c:961 [inline]
 __se_sys_exit_group kernel/exit.c:959 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:959
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff88802f13bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802f13bf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88802f13c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88802f13c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88802f13c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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