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BUG: KASAN: use-after-free in crc_itu_t+0xd2/0xe0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff88807311c000 by task syz-executor361/5078

CPU: 0 PID: 5078 Comm: syz-executor361 Not tainted 6.2.0-rc3-next-20230112-syzkaller #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+0xd1/0x138 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:306 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:417
 kasan_report+0xc0/0xf0 mm/kasan/report.c:517
 crc_itu_t+0xd2/0xe0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xe0/0x1d0 fs/udf/super.c:2022
 udf_sync_fs+0xea/0x150 fs/udf/super.c:2378
 sync_filesystem.part.0+0x75/0x1d0 fs/sync.c:56
 sync_filesystem+0x8f/0xc0 fs/sync.c:43
 generic_shutdown_super+0x74/0x410 fs/super.c:474
 kill_block_super+0x9b/0xf0 fs/super.c:1386
 deactivate_locked_super+0x98/0x160 fs/super.c:332
 deactivate_super+0xb1/0xd0 fs/super.c:363
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1291
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xb17/0x2a90 kernel/exit.c:867
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1012
 __do_sys_exit_group kernel/exit.c:1023 [inline]
 __se_sys_exit_group kernel/exit.c:1021 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1021
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f393b241b39
Code: Unable to access opcode bytes at 0x7f393b241b0f.
RSP: 002b:00007ffc4085ec28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f393b2b2410 RCX: 00007f393b241b39
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000047
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 00007f393b2b2410
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001cc4700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x7311c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea0001cedf48 ffff8880b9842fa0 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 5078, tgid 5078 (syz-executor361), ts 59595563809, free_ts 59668716706
 prep_new_page mm/page_alloc.c:2549 [inline]
 get_page_from_freelist+0x11bb/0x2d50 mm/page_alloc.c:4324
 __alloc_pages+0x1cb/0x5c0 mm/page_alloc.c:5590
 __folio_alloc+0x16/0x40 mm/page_alloc.c:5622
 vma_alloc_folio+0x155/0x870 mm/mempolicy.c:2242
 alloc_page_vma include/linux/gfp.h:284 [inline]
 wp_page_copy mm/memory.c:3064 [inline]
 do_wp_page+0x6f6/0x3360 mm/memory.c:3422
 handle_pte_fault mm/memory.c:4929 [inline]
 __handle_mm_fault+0x1fb6/0x3d10 mm/memory.c:5053
 handle_mm_fault+0x1b6/0x850 mm/memory.c:5199
 do_user_addr_fault+0x475/0x1210 arch/x86/mm/fault.c:1407
 handle_page_fault arch/x86/mm/fault.c:1498 [inline]
 exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1554
 asm_exc_page_fault+0x26/0x30 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:1451 [inline]
 free_pcp_prepare+0x4d0/0x910 mm/page_alloc.c:1501
 free_unref_page_prepare mm/page_alloc.c:3387 [inline]
 free_unref_page_list+0x176/0xcd0 mm/page_alloc.c:3528
 release_pages+0xcb1/0x1330 mm/swap.c:1072
 tlb_batch_pages_flush+0xa8/0x1a0 mm/mmu_gather.c:97
 tlb_flush_mmu_free mm/mmu_gather.c:292 [inline]
 tlb_flush_mmu mm/mmu_gather.c:299 [inline]
 tlb_finish_mmu+0x14b/0x7e0 mm/mmu_gather.c:391
 exit_mmap+0x202/0x7c0 mm/mmap.c:3100
 __mmput+0x128/0x4c0 kernel/fork.c:1212
 mmput+0x60/0x70 kernel/fork.c:1234
 exit_mm kernel/exit.c:563 [inline]
 do_exit+0x9ac/0x2a90 kernel/exit.c:854
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1012
 __do_sys_exit_group kernel/exit.c:1023 [inline]
 __se_sys_exit_group kernel/exit.c:1021 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1021
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff88807311bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88807311bf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88807311c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88807311c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88807311c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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