=====================================================
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline]
BUG: KMSAN: kernel-infoleak in iterate_ubuf include/linux/iov_iter.h:30 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance2 include/linux/iov_iter.h:300 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance include/linux/iov_iter.h:328 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x2f3/0x2b30 lib/iov_iter.c:185
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 copy_to_user_iter lib/iov_iter.c:24 [inline]
 iterate_ubuf include/linux/iov_iter.h:30 [inline]
 iterate_and_advance2 include/linux/iov_iter.h:300 [inline]
 iterate_and_advance include/linux/iov_iter.h:328 [inline]
 _copy_to_iter+0x2f3/0x2b30 lib/iov_iter.c:185
 copy_page_to_iter+0x419/0x880 lib/iov_iter.c:362
 copy_folio_to_iter include/linux/uio.h:189 [inline]
 filemap_read+0xc13/0x1500 mm/filemap.c:2696
 blkdev_read_iter+0x6bb/0x8e0 block/fops.c:765
 new_sync_read fs/read_write.c:488 [inline]
 vfs_read+0xcdf/0xf50 fs/read_write.c:569
 ksys_read+0x24f/0x4c0 fs/read_write.c:712
 __do_sys_read fs/read_write.c:722 [inline]
 __se_sys_read fs/read_write.c:720 [inline]
 __x64_sys_read+0x93/0xe0 fs/read_write.c:720
 x64_sys_call+0x3055/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 ntfs_write_bh+0x652/0xdb0 fs/ntfs3/fsntfs.c:1450
 mi_write+0xda/0x2d0 fs/ntfs3/record.c:387
 ni_write_inode+0xd80/0x1de0 fs/ntfs3/frecord.c:3437
 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1016
 write_inode fs/fs-writeback.c:1503 [inline]
 __writeback_single_inode+0x8da/0x1290 fs/fs-writeback.c:1723
 writeback_sb_inodes+0xa34/0x1c20 fs/fs-writeback.c:1954
 wb_writeback+0x4df/0xcb0 fs/fs-writeback.c:2134
 wb_do_writeback fs/fs-writeback.c:2281 [inline]
 wb_workfn+0x40b/0x1940 fs/fs-writeback.c:2321
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3310
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3391
 kthread+0x3e2/0x540 kernel/kthread.c:389
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Uninit was stored to memory at:
 al_update+0x388/0x4d0 fs/ntfs3/attrlist.c:404
 ni_write_inode+0x1aea/0x1de0 fs/ntfs3/frecord.c:3405
 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1016
 write_inode fs/fs-writeback.c:1503 [inline]
 __writeback_single_inode+0x8da/0x1290 fs/fs-writeback.c:1723
 writeback_sb_inodes+0xa34/0x1c20 fs/fs-writeback.c:1954
 wb_writeback+0x4df/0xcb0 fs/fs-writeback.c:2134
 wb_do_writeback fs/fs-writeback.c:2281 [inline]
 wb_workfn+0x40b/0x1940 fs/fs-writeback.c:2321
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3310
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3391
 kthread+0x3e2/0x540 kernel/kthread.c:389
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4091 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 __do_kmalloc_node mm/slub.c:4263 [inline]
 __kmalloc_noprof+0x661/0xf30 mm/slub.c:4276
 kmalloc_noprof include/linux/slab.h:882 [inline]
 ni_create_attr_list+0x1b8/0x19d0 fs/ntfs3/frecord.c:822
 ni_ins_attr_ext+0x4e6/0x10a0 fs/ntfs3/frecord.c:976
 ni_insert_attr fs/ntfs3/frecord.c:1143 [inline]
 ni_insert_resident fs/ntfs3/frecord.c:1527 [inline]
 ni_add_name+0xaf1/0x10d0 fs/ntfs3/frecord.c:3112
 ntfs_link_inode+0x265/0x310 fs/ntfs3/inode.c:1735
 ntfs_link+0x21d/0x500 fs/ntfs3/namei.c:146
 vfs_link+0x94c/0xb70 fs/namei.c:4739
 do_linkat+0x4f5/0xfd0 fs/namei.c:4809
 __do_sys_link fs/namei.c:4843 [inline]
 __se_sys_link fs/namei.c:4841 [inline]
 __ia32_sys_link+0xd8/0x130 fs/namei.c:4841
 ia32_sys_call+0x37b8/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:10
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Bytes 202-207 of 512 are uninitialized
Memory access of size 512 starts at ffff888031332000
Data copied to user address 0000560fdf73f958

CPU: 1 UID: 0 PID: 9481 Comm: udevd Tainted: G        W          6.12.0-rc6-syzkaller-00005-g557329bcecc2 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
=====================================================