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BUG: KASAN: use-after-free in udf_close_lvid+0x6a4/0x9a0 fs/udf/super.c:2076
Write of size 1 at addr ffff88805ec0cb78 by task syz-executor302/3497

CPU: 0 PID: 3497 Comm: syz-executor302 Not tainted 5.15.115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description+0x63/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x16b/0x1c0 mm/kasan/report.c:451
 udf_close_lvid+0x6a4/0x9a0 fs/udf/super.c:2076
 udf_put_super+0xc9/0x160 fs/udf/super.c:2363
 generic_shutdown_super+0x136/0x2c0 fs/super.c:475
 kill_block_super+0x7a/0xe0 fs/super.c:1405
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb706248057
Code: 09 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 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd83b01ad8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb706248057
RDX: 00007ffd83b01b99 RSI: 000000000000000a RDI: 00007ffd83b01b90
RBP: 00007ffd83b01b90 R08: 00000000ffffffff R09: 00007ffd83b01970
R10: 00005555574d466b R11: 0000000000000206 R12: 00007ffd83b02c00
R13: 00005555574d45f0 R14: 00007ffd83b01b00 R15: 0000000000000001
 </TASK>

The buggy address belongs to the page:
page:ffffea00017b0300 refcount:0 mapcount:0 mapping:0000000000000000 index:0x100 pfn:0x5ec0c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000100 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, ts 14758142628, free_ts 15717328576
 split_map_pages+0x246/0x510 mm/compaction.c:99
 isolate_freepages_range+0x47c/0x4e0 mm/compaction.c:749
 alloc_contig_range+0xc2b/0xf90 mm/page_alloc.c:9214
 __alloc_contig_pages mm/page_alloc.c:9238 [inline]
 alloc_contig_pages+0x3ea/0x4e0 mm/page_alloc.c:9318
 debug_vm_pgtable_alloc_huge_page+0xb9/0x108 mm/debug_vm_pgtable.c:1085
 init_args+0xa3e/0xdb5 mm/debug_vm_pgtable.c:1207
 debug_vm_pgtable+0xaa/0x462 mm/debug_vm_pgtable.c:1245
 do_one_initcall+0x22b/0x7a0 init/main.c:1306
 do_initcall_level+0x157/0x207 init/main.c:1379
 do_initcalls+0x49/0x86 init/main.c:1395
 kernel_init_freeable+0x43c/0x5c5 init/main.c:1619
 kernel_init+0x19/0x290 init/main.c:1510
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1340 [inline]
 free_pcp_prepare mm/page_alloc.c:1391 [inline]
 free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 free_contig_range+0x95/0xf0 mm/page_alloc.c:9340
 destroy_args+0xfe/0x97f mm/debug_vm_pgtable.c:1018
 debug_vm_pgtable+0x40d/0x462 mm/debug_vm_pgtable.c:1331
 do_one_initcall+0x22b/0x7a0 init/main.c:1306
 do_initcall_level+0x157/0x207 init/main.c:1379
 do_initcalls+0x49/0x86 init/main.c:1395
 kernel_init_freeable+0x43c/0x5c5 init/main.c:1619
 kernel_init+0x19/0x290 init/main.c:1510
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Memory state around the buggy address:
 ffff88805ec0ca00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88805ec0ca80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88805ec0cb00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                                ^
 ffff88805ec0cb80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88805ec0cc00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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