R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
==================================================================
BUG: KASAN: out-of-bounds in udf_write_fi+0x914/0xf20 fs/udf/namei.c:93
Write of size 18446744073709551572 at addr ffff888077c1562c by task syz-executor.3/9162

CPU: 3 PID: 9162 Comm: syz-executor.3 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
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+0xbf/0x1f0 mm/kasan/report.c:517
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x141/0x190 mm/kasan/generic.c:189
 memset+0x24/0x50 mm/kasan/shadow.c:44
 udf_write_fi+0x914/0xf20 fs/udf/namei.c:93
 udf_rename+0xd80/0x1260 fs/udf/namei.c:1173
 vfs_rename+0x1162/0x1a90 fs/namei.c:4779
 do_renameat2+0xb22/0xc30 fs/namei.c:4930
 __do_sys_rename fs/namei.c:4976 [inline]
 __se_sys_rename fs/namei.c:4974 [inline]
 __ia32_sys_rename+0x80/0xa0 fs/namei.c:4974
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f3f549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7f3a5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000026
RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 0000000020000100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001df0540 refcount:3 mapcount:0 mapping:ffff88801967dff8 index:0xe pfn:0x77c15
memcg:ffff8880267a4000
aops:def_blk_aops ino:700003
flags: 0x4fff0000000202a(referenced|dirty|active|private|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff0000000202a 0000000000000000 dead000000000122 ffff88801967dff8
raw: 000000000000000e ffff8880451d1ae0 00000003ffffffff ffff8880267a4000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 9162, tgid 9161 (syz-executor.3), ts 333855889494, free_ts 333745911140
 prep_new_page mm/page_alloc.c:2531 [inline]
 get_page_from_freelist+0x119c/0x2ce0 mm/page_alloc.c:4283
 __alloc_pages_slowpath.constprop.0+0x36b/0x23d0 mm/page_alloc.c:5084
 __alloc_pages+0x4aa/0x5b0 mm/page_alloc.c:5562
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2286
 folio_alloc+0x20/0x70 mm/mempolicy.c:2296
 filemap_alloc_folio+0x362/0x450 mm/filemap.c:972
 __filemap_get_folio+0x32c/0xd80 mm/filemap.c:1966
 pagecache_get_page+0x2e/0x280 mm/folio-compat.c:98
 find_or_create_page include/linux/pagemap.h:612 [inline]
 grow_dev_page fs/buffer.c:946 [inline]
 grow_buffers fs/buffer.c:1011 [inline]
 __getblk_slow+0x1f4/0x1030 fs/buffer.c:1038
 __getblk_gfp+0x72/0x80 fs/buffer.c:1333
 sb_getblk include/linux/buffer_head.h:356 [inline]
 udf_tgetblk+0xfd/0x1d0 fs/udf/misc.c:36
 udf_expand_dir_adinicb+0x399/0xf20 fs/udf/inode.c:360
 udf_add_entry+0x1ea8/0x2ac0 fs/udf/namei.c:444
 udf_rename+0x121f/0x1260 fs/udf/namei.c:1150
 vfs_rename+0x1162/0x1a90 fs/namei.c:4779
 do_renameat2+0xb22/0xc30 fs/namei.c:4930
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1446 [inline]
 free_pcp_prepare+0x65c/0xc00 mm/page_alloc.c:1496
 free_unref_page_prepare mm/page_alloc.c:3369 [inline]
 free_unref_page_list+0x176/0xcd0 mm/page_alloc.c:3510
 release_pages+0xcb1/0x1330 mm/swap.c:1076
 __pagevec_release+0x77/0xe0 mm/swap.c:1096
 pagevec_release include/linux/pagevec.h:71 [inline]
 folio_batch_release include/linux/pagevec.h:135 [inline]
 shmem_undo_range+0x595/0x1340 mm/shmem.c:947
 shmem_truncate_range mm/shmem.c:1042 [inline]
 shmem_evict_inode+0x32f/0xb60 mm/shmem.c:1151
 evict+0x2ed/0x6b0 fs/inode.c:664
 iput_final fs/inode.c:1747 [inline]
 iput.part.0+0x59b/0x880 fs/inode.c:1773
 iput+0x5c/0x80 fs/inode.c:1763
 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401
 __dentry_kill+0x3c0/0x640 fs/dcache.c:607
 dentry_kill fs/dcache.c:733 [inline]
 dput+0x80a/0xdb0 fs/dcache.c:913
 __fput+0x3cc/0xa90 fs/file_table.c:328
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 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+0x23c/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296

Memory state around the buggy address:
 ffff888077c15500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888077c15580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888077c15600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                  ^
 ffff888077c15680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888077c15700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi