==================================================================
BUG: KASAN: out-of-bounds in ext4_read_inline_data fs/ext4/inline.c:210 [inline]
BUG: KASAN: out-of-bounds in ext4_read_inline_dir+0x48c/0xf60 fs/ext4/inline.c:1512
Read of size 68 at addr ffff888127765d05 by task syz-executor/630

CPU: 0 PID: 630 Comm: syz-executor Not tainted 6.1.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:284 [inline]
 print_report+0x158/0x4e0 mm/kasan/report.c:395
 kasan_report+0x13c/0x170 mm/kasan/report.c:495
 kasan_check_range+0x294/0x2a0 mm/kasan/generic.c:189
 memcpy+0x2d/0x70 mm/kasan/shadow.c:65
 ext4_read_inline_data fs/ext4/inline.c:210 [inline]
 ext4_read_inline_dir+0x48c/0xf60 fs/ext4/inline.c:1512
 ext4_readdir+0x3d1/0x3860 fs/ext4/dir.c:158
 iterate_dir+0x265/0x600
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0x1c1/0x460 fs/readdir.c:354
 __x64_sys_getdents64+0x7b/0x90 fs/readdir.c:354
 x64_sys_call+0x5ae/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:218
 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: 0033:0x7f901fdb8693
Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 82 3e f8 ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 a8 ff ff ff f7 d8
RSP: 002b:00007ffc9cd3e4d8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055555e444520 RCX: 00007f901fdb8693
RDX: 0000000000008000 RSI: 000055555e444520 RDI: 0000000000000006
RBP: 000055555e4444f4 R08: 000055555e44454b R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffa8
R13: 0000000000000016 R14: 000055555e4444f0 R15: 0000000000000001
 </TASK>

The buggy address belongs to the physical page:
page:ffffea00049dd940 refcount:2 mapcount:2 mapping:0000000000000000 index:0x330 pfn:0x127765
memcg:ffff8881001f4000
anon flags: 0x6000000000080014(uptodate|lru|swapbacked|zone=1)
raw: 6000000000080014 ffffea00049dd908 ffffea00049dd988 ffff88811415cbb1
raw: 0000000000000330 0000000000000000 0000000200000001 ffff8881001f4000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 664, tgid 664 (syz-executor), ts 59681020903, free_ts 59673452360
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1e2/0x1f0 mm/page_alloc.c:2517
 prep_new_page mm/page_alloc.c:2524 [inline]
 get_page_from_freelist+0x33e8/0x34b0 mm/page_alloc.c:4313
 __alloc_pages+0x3c2/0x7d0 mm/page_alloc.c:5589
 __folio_alloc+0x15/0x40 mm/page_alloc.c:5621
 __folio_alloc_node include/linux/gfp.h:246 [inline]
 folio_alloc include/linux/gfp.h:275 [inline]
 alloc_page_vma include/linux/gfp.h:284 [inline]
 do_cow_fault mm/memory.c:4648 [inline]
 do_fault+0x3d3/0x1760 mm/memory.c:4760
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x1780/0x2c70 mm/memory.c:5292
 do_user_addr_fault arch/x86/mm/fault.c:1340 [inline]
 handle_page_fault arch/x86/mm/fault.c:1431 [inline]
 exc_page_fault+0x22e/0x540 arch/x86/mm/fault.c:1487
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1444 [inline]
 free_pcp_prepare mm/page_alloc.c:1517 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3369
 free_unref_page_list+0xf1/0x7b0 mm/page_alloc.c:3510
 release_pages+0xf7f/0xfe0 mm/swap.c:1055
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:314
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu mm/mmu_gather.c:261 [inline]
 tlb_finish_mmu+0x1e0/0x3f0 mm/mmu_gather.c:361
 exit_mmap+0x38a/0x800 mm/mmap.c:3239
 __mmput+0x95/0x310 kernel/fork.c:1200
 mmput+0x54/0x70 kernel/fork.c:1222
 exit_mm kernel/exit.c:565 [inline]
 do_exit+0xaf9/0x2910 kernel/exit.c:858
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030
 x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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:
 ffff888127765c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888127765c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888127765d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                              ^
 ffff888127765d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888127765e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs (loop4): unmounting filesystem.