loop0: detected capacity change from 0 to 512
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0xa87/0x1fa0 fs/ext4/xattr.c:1710
Read of size 18446744073709551584 at addr ffff888122b8afc8 by task syz-executor.0/3552

CPU: 0 PID: 3552 Comm: syz-executor.0 Not tainted 6.1.124-syzkaller-1167536-g7658169f5f5f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x158/0x4e0 mm/kasan/report.c:427
 kasan_report+0x13c/0x170 mm/kasan/report.c:531
 kasan_check_range+0x294/0x2a0 mm/kasan/generic.c:189
 memmove+0x2d/0x70 mm/kasan/shadow.c:54
 ext4_xattr_set_entry+0xa87/0x1fa0 fs/ext4/xattr.c:1710
 ext4_xattr_ibody_set+0x24e/0x6d0 fs/ext4/xattr.c:2220
 ext4_xattr_move_to_block fs/ext4/xattr.c:2623 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline]
 ext4_expand_extra_isize_ea+0x1147/0x1c40 fs/ext4/xattr.c:2783
 __ext4_expand_extra_isize+0x31a/0x420 fs/ext4/inode.c:5938
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5981 [inline]
 __ext4_mark_inode_dirty+0x4bb/0x7d0 fs/ext4/inode.c:6059
 ext4_inline_data_truncate+0x552/0xd60 fs/ext4/inline.c:2050
 ext4_truncate+0x337/0xfb0 fs/ext4/inode.c:4246
 ext4_process_orphan+0x1d3/0x2f0 fs/ext4/orphan.c:339
 ext4_orphan_cleanup+0xa50/0x11b0 fs/ext4/orphan.c:474
 __ext4_fill_super fs/ext4/super.c:5509 [inline]
 ext4_fill_super+0x7d3d/0x8450 fs/ext4/super.c:5640
 get_tree_bdev+0x440/0x680 fs/super.c:1368
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5670
 vfs_get_tree+0x88/0x290 fs/super.c:1575
 do_new_mount+0x2ba/0xb30 fs/namespace.c:3056
 path_mount+0x671/0x1070 fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3584
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3584
 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc97367f46a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc9731feef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc9731fef80 RCX: 00007fc97367f46a
RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 00007fc9731fef40
RBP: 0000000020000180 R08: 00007fc9731fef80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200000c0
R13: 00007fc9731fef40 R14: 000000000000046a R15: 0000000020000300
 </TASK>

The buggy address belongs to the physical page:
page:ffffea00048ae280 refcount:3 mapcount:1 mapping:ffff88810b984950 index:0x1 pfn:0x122b8a
memcg:ffff8881118d2000
aops:def_blk_aops ino:700000
flags: 0x660000000002205e(referenced|uptodate|dirty|lru|workingset|private|mappedtodisk|zone=1)
raw: 660000000002205e ffff888111a78290 ffffea00043fac48 ffff88810b984950
raw: 0000000000000001 ffff8881197359d8 0000000300000000 ffff8881118d2000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 3553, tgid 3551 (syz-executor.0), ts 65607066567, free_ts 65607015697
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x213/0x220 mm/page_alloc.c:2605
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2612
 get_page_from_freelist+0x2f41/0x2fc0 mm/page_alloc.c:4477
 __alloc_pages+0x234/0x610 mm/page_alloc.c:5775
 __folio_alloc+0x15/0x40 mm/page_alloc.c:5807
 __folio_alloc_node include/linux/gfp.h:245 [inline]
 folio_alloc include/linux/gfp.h:274 [inline]
 filemap_alloc_folio include/linux/pagemap.h:513 [inline]
 page_cache_ra_unbounded+0x2cb/0x800 mm/readahead.c:260
 do_page_cache_ra mm/readahead.c:312 [inline]
 page_cache_ra_order+0x987/0xc40 mm/readahead.c:576
 do_sync_mmap_readahead+0x97c/0xcc0 mm/filemap.c:3163
 filemap_fault+0x744/0x11a0 mm/filemap.c:3255
 __do_fault mm/memory.c:4359 [inline]
 do_read_fault mm/memory.c:4725 [inline]
 do_fault+0xbc5/0x1f10 mm/memory.c:4861
 handle_pte_fault mm/memory.c:5157 [inline]
 __handle_mm_fault mm/memory.c:5299 [inline]
 handle_mm_fault+0x189f/0x30e0 mm/memory.c:5439
 faultin_page mm/gup.c:1009 [inline]
 __get_user_pages+0x377/0xf20 mm/gup.c:1233
 populate_vma_page_range mm/gup.c:1590 [inline]
 __mm_populate+0x375/0x570 mm/gup.c:1704
 mm_populate include/linux/mm.h:3061 [inline]
 vm_mmap_pgoff+0x290/0x430 mm/util.c:530
 ksys_mmap_pgoff+0x15d/0x1e0 mm/mmap.c:1520
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0x103/0x120 arch/x86/kernel/sys_x86_64.c:86
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1513 [inline]
 free_pcp_prepare mm/page_alloc.c:1587 [inline]
 free_unref_page_prepare+0x9f1/0xa00 mm/page_alloc.c:3526
 free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3622
 free_the_page mm/page_alloc.c:798 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5864
 pte_free include/asm-generic/pgalloc.h:102 [inline]
 do_fault+0x13d2/0x1f10 mm/memory.c:4869
 handle_pte_fault mm/memory.c:5157 [inline]
 __handle_mm_fault mm/memory.c:5299 [inline]
 handle_mm_fault+0x189f/0x30e0 mm/memory.c:5439
 faultin_page mm/gup.c:1009 [inline]
 __get_user_pages+0x377/0xf20 mm/gup.c:1233
 populate_vma_page_range mm/gup.c:1590 [inline]
 __mm_populate+0x375/0x570 mm/gup.c:1704
 mm_populate include/linux/mm.h:3061 [inline]
 vm_mmap_pgoff+0x290/0x430 mm/util.c:530
 ksys_mmap_pgoff+0x15d/0x1e0 mm/mmap.c:1520
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0x103/0x120 arch/x86/kernel/sys_x86_64.c:86
 x64_sys_call+0x67/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff888122b8ae80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888122b8af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888122b8af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                              ^
 ffff888122b8b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888122b8b080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs error (device loop0): ext4_xattr_ibody_find:2186: inode #12: comm syz-executor.0: corrupted in-inode xattr
EXT4-fs warning (device loop0): ext4_xattr_set_entry:1723: inode #12: comm syz-executor.0: unable to update i_inline_off
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2809: Unable to expand inode 12. Delete some EAs or run e2fsck.
EXT4-fs (loop0): 1 truncate cleaned up
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.