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BUG: KASAN: use-after-free in udf_close_lvid+0x508/0x5c0 fs/udf/super.c:2035
Write of size 1 at addr ffff88806d130900 by task syz-executor.0/5439

CPU: 0 PID: 5439 Comm: syz-executor.0 Not tainted 6.6.0-rc7-next-20231027-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
 udf_close_lvid+0x508/0x5c0 fs/udf/super.c:2035
 udf_put_super+0x19c/0x200 fs/udf/super.c:2322
 generic_shutdown_super+0x161/0x3c0 fs/super.c:696
 kill_block_super+0x3b/0x90 fs/super.c:1667
 deactivate_locked_super+0xbc/0x1a0 fs/super.c:484
 deactivate_super+0xde/0x100 fs/super.c:517
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14c/0x240 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x212/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/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: 0033:0x7f587347dbc7
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 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 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffee23df6f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f587347dbc7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffee23df7b0
RBP: 00007ffee23df7b0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffee23e0870
R13: 00007f58734d7aa2 R14: 000000000001bd42 R15: 0000000000000005
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001b44c00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2 pfn:0x6d130
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea0001b44c48 ffffea0001b44fc8 0000000000000000
raw: 0000000000000002 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 0x8(__GFP_MOVABLE), pid 1, tgid 1 (swapper/0), ts 20981734662, free_ts 22935850641
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1537
 split_map_pages+0x1ff/0x520 mm/compaction.c:97
 isolate_freepages_range+0x318/0x370 mm/compaction.c:774
 alloc_contig_range+0x32d/0x510 mm/page_alloc.c:6447
 __alloc_contig_pages mm/page_alloc.c:6470 [inline]
 alloc_contig_pages+0x30c/0x600 mm/page_alloc.c:6550
 debug_vm_pgtable_alloc_huge_page mm/debug_vm_pgtable.c:1095 [inline]
 init_args mm/debug_vm_pgtable.c:1277 [inline]
 debug_vm_pgtable+0x850/0x40e0 mm/debug_vm_pgtable.c:1315
 do_one_initcall+0x128/0x670 init/main.c:1232
 do_initcall_level init/main.c:1294 [inline]
 do_initcalls init/main.c:1310 [inline]
 do_basic_setup init/main.c:1329 [inline]
 kernel_init_freeable+0x5bc/0x8f0 init/main.c:1547
 kernel_init+0x1c/0x2a0 init/main.c:1437
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
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
 free_contig_range+0xb6/0x190 mm/page_alloc.c:6572
 destroy_args+0x7c9/0xa10 mm/debug_vm_pgtable.c:1028
 debug_vm_pgtable+0x1d4e/0x40e0 mm/debug_vm_pgtable.c:1408
 do_one_initcall+0x128/0x670 init/main.c:1232
 do_initcall_level init/main.c:1294 [inline]
 do_initcalls init/main.c:1310 [inline]
 do_basic_setup init/main.c:1329 [inline]
 kernel_init_freeable+0x5bc/0x8f0 init/main.c:1547
 kernel_init+0x1c/0x2a0 init/main.c:1437
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242

Memory state around the buggy address:
 ffff88806d130800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88806d130880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88806d130900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88806d130980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88806d130a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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