syz-executor542[5049]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
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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 ffff8880816b71d8 by task syz-executor542/5049

CPU: 1 PID: 5049 Comm: syz-executor542 Not tainted 6.5.0-next-20230831-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/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:693
 kill_block_super+0x3b/0x70 fs/super.c:1620
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254
 task_work_run+0x14d/0x240 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa99/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f56b1c44ca9
Code: Unable to access opcode bytes at 0x7f56b1c44c7f.
RSP: 002b:00007ffd1d5f5018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f56b1c44ca9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f56b1ce2390 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 00007f56b1ce2390
R13: 0000000000000000 R14: 00007f56b1ce51c0 R15: 00007f56b1c12470
 </TASK>

The buggy address belongs to the physical page:
page:ffffea000205adc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x816b7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 ffffea000205adc8 ffffea000205adc8 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffff8880816b7080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880816b7100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff8880816b7180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                    ^
 ffff8880816b7200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880816b7280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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