ntfs: (device loop4): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. ntfs: volume version 3.1. ================================================================== BUG: KASAN: out-of-bounds in ntfs_attr_record_resize fs/ntfs/attrib.c:1459 [inline] BUG: KASAN: out-of-bounds in ntfs_resident_attr_value_resize+0x14c/0x46c fs/ntfs/attrib.c:1495 Read of size 18446744073709551361 at addr ffff000135405980 by task syz-executor.4/7139 CPU: 1 PID: 7139 Comm: syz-executor.4 Not tainted 6.1.23-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xd4/0x130 mm/kasan/report.c:495 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189 memmove+0x48/0x90 mm/kasan/shadow.c:54 ntfs_attr_record_resize fs/ntfs/attrib.c:1459 [inline] ntfs_resident_attr_value_resize+0x14c/0x46c fs/ntfs/attrib.c:1495 ntfs_truncate+0x5c0/0x2118 fs/ntfs/inode.c:2495 ntfs_truncate_vfs fs/ntfs/inode.c:2862 [inline] ntfs_setattr+0x260/0x320 fs/ntfs/inode.c:2914 notify_change+0xc24/0xec0 fs/attr.c:482 do_truncate+0x1c0/0x28c fs/open.c:65 handle_truncate fs/namei.c:3216 [inline] do_open fs/namei.c:3561 [inline] path_openat+0x1fa0/0x2548 fs/namei.c:3714 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 The buggy address belongs to the physical page: page:00000000caf8e637 refcount:4 mapcount:0 mapping:0000000069999f6a index:0x21 pfn:0x175405 memcg:ffff00012ca10000 aops:ntfs_mst_aops ino:0 flags: 0x5ffc00000002046(referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000002046 0000000000000000 dead000000000122 ffff00012b66d7c8 raw: 0000000000000021 ffff0000dd6b6488 00000004ffffffff ffff00012ca10000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff000135405880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff000135405900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff000135405980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff000135405a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff000135405a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================