===================================================== 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_sys_getdents fs/readdir.c:322 [inline] __se_sys_getdents+0x170/0x550 fs/readdir.c:308 __x64_sys_getdents+0x96/0xe0 fs/readdir.c:308 x64_sys_call+0x38d8/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:79 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_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_sys_getdents fs/readdir.c:322 [inline] __se_sys_getdents+0x170/0x550 fs/readdir.c:308 __x64_sys_getdents+0x96/0xe0 fs/readdir.c:308 x64_sys_call+0x38d8/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:79 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 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] __x64_sys_link+0xe8/0x140 fs/namei.c:4895 x64_sys_call+0x3afa/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:87 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: 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] __x64_sys_link+0xe8/0x140 fs/namei.c:4895 x64_sys_call+0x3afa/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:87 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 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] __x64_sys_link+0xe8/0x140 fs/namei.c:4895 x64_sys_call+0x3afa/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:87 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 CPU: 1 UID: 0 PID: 7959 Comm: syz.6.434 Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================