syzbot

loop0: detected capacity change from 0 to 4096
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BUG: KMSAN: uninit-value in iov_iter_alignment_iovec+0x19e/0x470 lib/iov_iter.c:808
 iov_iter_alignment_iovec+0x19e/0x470 lib/iov_iter.c:808
 iov_iter_alignment+0x174/0x2d0 lib/iov_iter.c:853
 ntfs_file_read_iter+0x5b5/0x780 fs/ntfs3/file.c:948
 aio_read+0x493/0x6b0 fs/aio.c:1603
 __io_submit_one fs/aio.c:-1 [inline]
 io_submit_one+0x240f/0x3240 fs/aio.c:2053
 __do_sys_io_submit fs/aio.c:2112 [inline]
 __se_sys_io_submit+0x27c/0x6a0 fs/aio.c:2082
 __x64_sys_io_submit+0x97/0xe0 fs/aio.c:2082
 x64_sys_call+0x3b5f/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:210
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd3/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable inline_vecs created at:
 aio_read+0x4f/0x6b0 fs/aio.c:1584
 __io_submit_one fs/aio.c:-1 [inline]
 io_submit_one+0x240f/0x3240 fs/aio.c:2053

CPU: 0 UID: 0 PID: 6059 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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