loop0: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
==================================================================
BUG: KASAN: use-after-free in udf_close_lvid+0x6a4/0x9a0 fs/udf/super.c:2073
Write of size 1 at addr ffff88815feb3068 by task syz-executor260/3538

CPU: 0 PID: 3538 Comm: syz-executor260 Not tainted 6.1.30-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 mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 udf_close_lvid+0x6a4/0x9a0 fs/udf/super.c:2073
 udf_put_super+0xc9/0x160 fs/udf/super.c:2360
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7a/0xe0 fs/super.c:1450
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x6fb/0x2300 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 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
RIP: 0033:0x7f6819054c29
Code: Unable to access opcode bytes at 0x7f6819054bff.
RSP: 002b:00007ffd7e321b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f68190f0470 RCX: 00007f6819054c29
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffb8 R09: 0000000000000031
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68190f0470
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>

The buggy address belongs to the physical page:
page:ffffea00057facc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x15feb3
flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff)
raw: 057ff00000000000 ffffea00057facc8 ffffea00057facc8 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:
 ffff88815feb2f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88815feb2f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88815feb3000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                          ^
 ffff88815feb3080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88815feb3100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================