=====================================================
BUG: KMSAN: use-after-free in memcmp lib/string.c:683 [inline]
BUG: KMSAN: use-after-free in bcmp+0x98/0x150 lib/string.c:715
 memcmp lib/string.c:683 [inline]
 bcmp+0x98/0x150 lib/string.c:715
 _Z6memcmpPKvU25pass_dynamic_object_size0S0_U25pass_dynamic_object_size0m include/linux/fortify-string.h:727 [inline]
 ni_update_parent+0xcc0/0x14c0 fs/ntfs3/frecord.c:3148
 ni_write_inode+0x1b67/0x1c40 fs/ntfs3/frecord.c:3264
 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1023
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x892/0x1190 fs/fs-writeback.c:1745
 writeback_sb_inodes+0xaa9/0x1c90 fs/fs-writeback.c:1976
 wb_writeback+0x4ce/0xc00 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x397/0x1910 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xb8e/0x1d80 kernel/workqueue.c:3321
 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402
 kthread+0xd5c/0xf00 kernel/kthread.c:464
 ret_from_fork+0x1e3/0x310 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Uninit was created at:
 slab_free_hook mm/slub.c:2306 [inline]
 slab_free mm/slub.c:4642 [inline]
 kmem_cache_free+0x2a1/0xec0 mm/slub.c:4744
 putname+0x192/0x1d0 fs/namei.c:297
 vfs_fstatat+0x2dd/0x3f0 fs/stat.c:376
 __do_sys_newfstatat fs/stat.c:542 [inline]
 __se_sys_newfstatat+0x64/0x880 fs/stat.c:536
 __x64_sys_newfstatat+0xbd/0x120 fs/stat.c:536
 x64_sys_call+0x3783/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:263
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 14 Comm: kworker/u8:1 Not tainted 6.15.0-syzkaller-11796-g5abc7438f1e9 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:0)
=====================================================