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BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:230 [inline]
BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x354/0x50c fs/ntfs3/xattr.c:749
Read of size 48 at addr ffff0000d69ac330 by task syz-executor.0/9148

CPU: 0 PID: 9148 Comm: syz-executor.0 Not tainted 5.15.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
 memcpy+0x90/0xe8 mm/kasan/shadow.c:65
 ntfs_list_ea fs/ntfs3/xattr.c:230 [inline]
 ntfs_listxattr+0x354/0x50c fs/ntfs3/xattr.c:749
 vfs_listxattr fs/xattr.c:448 [inline]
 listxattr+0x29c/0x3e4 fs/xattr.c:783
 path_listxattr fs/xattr.c:807 [inline]
 __do_sys_listxattr fs/xattr.c:819 [inline]
 __se_sys_listxattr fs/xattr.c:816 [inline]
 __arm64_sys_listxattr+0x13c/0x21c fs/xattr.c:816
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Allocated by task 9148:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513
 __kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc+0x29c/0x4c8 mm/slub.c:4407
 kmalloc include/linux/slab.h:596 [inline]
 ntfs_read_ea+0x3c0/0x818 fs/ntfs3/xattr.c:117
 ntfs_list_ea fs/ntfs3/xattr.c:202 [inline]
 ntfs_listxattr+0x14c/0x50c fs/ntfs3/xattr.c:749
 vfs_listxattr fs/xattr.c:448 [inline]
 listxattr+0x29c/0x3e4 fs/xattr.c:783
 path_listxattr fs/xattr.c:807 [inline]
 __do_sys_listxattr fs/xattr.c:819 [inline]
 __se_sys_listxattr fs/xattr.c:816 [inline]
 __arm64_sys_listxattr+0x13c/0x21c fs/xattr.c:816
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

The buggy address belongs to the object at ffff0000d69ac300
 which belongs to the cache kmalloc-128 of size 128
The buggy address is located 48 bytes inside of
 128-byte region [ffff0000d69ac300, ffff0000d69ac380)
The buggy address belongs to the page:
page:00000000178846b0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1169ac
flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000200 0000000000000000 0000000400000001 ffff0000c0002300
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000d69ac200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
 ffff0000d69ac280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000d69ac300: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
                                        ^
 ffff0000d69ac380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000d69ac400: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
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