ntfs3(loop4): Different NTFS sector size (2048) and media sector size (512).
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BUG: KMSAN: uninit-value in ntfs_dir_emit fs/ntfs3/dir.c:333 [inline]
BUG: KMSAN: uninit-value in ntfs_read_hdr+0xfba/0x1290 fs/ntfs3/dir.c:383
 ntfs_dir_emit fs/ntfs3/dir.c:333 [inline]
 ntfs_read_hdr+0xfba/0x1290 fs/ntfs3/dir.c:383
 ntfs_readdir+0xf48/0x1a10 fs/ntfs3/dir.c:494
 iterate_dir+0x5b3/0x9e0 fs/readdir.c:108
 __do_compat_sys_getdents fs/readdir.c:568 [inline]
 __se_compat_sys_getdents+0x16d/0x530 fs/readdir.c:554
 __ia32_compat_sys_getdents+0x93/0xe0 fs/readdir.c:554
 ia32_sys_call+0x2124/0x4180 arch/x86/include/generated/asm/syscalls_32.h:142
 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

Uninit was stored to memory at:
 ntfs_read_run_nb+0x786/0x1070 fs/ntfs3/fsntfs.c:1252
 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1313
 indx_read+0x44e/0x17b0 fs/ntfs3/index.c:1067
 ntfs_readdir+0xe07/0x1a10 fs/ntfs3/dir.c:489
 iterate_dir+0x5b3/0x9e0 fs/readdir.c:108
 __do_compat_sys_getdents fs/readdir.c:568 [inline]
 __se_compat_sys_getdents+0x16d/0x530 fs/readdir.c:554
 __ia32_compat_sys_getdents+0x93/0xe0 fs/readdir.c:554
 ia32_sys_call+0x2124/0x4180 arch/x86/include/generated/asm/syscalls_32.h:142
 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

Uninit was stored to memory at:
 ntfs_write_bh+0x652/0xdb0 fs/ntfs3/fsntfs.c:1450
 indx_write fs/ntfs3/index.c:1027 [inline]
 indx_insert_into_buffer+0xd8f/0x2010 fs/ntfs3/index.c:1811
 indx_insert_entry+0xa3c/0xee0 fs/ntfs3/index.c:1988
 ni_add_name+0xe5d/0x10d0 fs/ntfs3/frecord.c:3046
 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:4793
 do_linkat+0x4f5/0xff0 fs/namei.c:4863
 __do_sys_link fs/namei.c:4897 [inline]
 __se_sys_link fs/namei.c:4895 [inline]
 __ia32_sys_link+0xd8/0x130 fs/namei.c:4895
 ia32_sys_call+0x38e4/0x4180 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

Uninit was stored to memory at:
 hdr_insert_de fs/ntfs3/index.c:838 [inline]
 indx_insert_into_buffer+0xcdf/0x2010 fs/ntfs3/index.c:1807
 indx_insert_entry+0xa3c/0xee0 fs/ntfs3/index.c:1988
 ni_add_name+0xe5d/0x10d0 fs/ntfs3/frecord.c:3046
 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:4793
 do_linkat+0x4f5/0xff0 fs/namei.c:4863
 __do_sys_link fs/namei.c:4897 [inline]
 __se_sys_link fs/namei.c:4895 [inline]
 __ia32_sys_link+0xd8/0x130 fs/namei.c:4895
 ia32_sys_call+0x38e4/0x4180 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

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4125 [inline]
 slab_alloc_node mm/slub.c:4168 [inline]
 kmem_cache_alloc_noprof+0x915/0xe10 mm/slub.c:4175
 ntfs_link_inode+0x8f/0x310 fs/ntfs3/inode.c:1723
 ntfs_link+0x21d/0x500 fs/ntfs3/namei.c:146
 vfs_link+0x94c/0xb70 fs/namei.c:4793
 do_linkat+0x4f5/0xff0 fs/namei.c:4863
 __do_sys_link fs/namei.c:4897 [inline]
 __se_sys_link fs/namei.c:4895 [inline]
 __ia32_sys_link+0xd8/0x130 fs/namei.c:4895
 ia32_sys_call+0x38e4/0x4180 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

CPU: 0 UID: 0 PID: 6186 Comm: syz.4.74 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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