ntfs3(loop1): ino=1a, mi_enum_attr ntfs3(loop1): Mark volume as dirty due to NTFS errors ===================================================== BUG: KMSAN: uninit-value in longest_match_std+0x626/0xee0 fs/ntfs3/lznt.c:60 longest_match_std+0x626/0xee0 fs/ntfs3/lznt.c:60 compress_chunk fs/ntfs3/lznt.c:170 [inline] compress_lznt+0x4a0/0xe90 fs/ntfs3/lznt.c:339 ni_write_frame+0xff4/0x1f10 fs/ntfs3/frecord.c:2779 ntfs_compress_write+0x2768/0x3950 fs/ntfs3/file.c:1107 ntfs_file_write_iter+0xf39/0x10d0 fs/ntfs3/file.c:1224 do_iter_readv_writev+0x94a/0xba0 fs/read_write.c:-1 vfs_writev+0x52a/0x1500 fs/read_write.c:1057 do_pwritev fs/read_write.c:1153 [inline] __do_compat_sys_pwritev2 fs/read_write.c:1298 [inline] __se_compat_sys_pwritev2 fs/read_write.c:1290 [inline] __ia32_compat_sys_pwritev2+0x43d/0x6b0 fs/read_write.c:1290 ia32_sys_call+0x1810/0x4310 arch/x86/include/generated/asm/syscalls_32.h:380 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:5171 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof mm/mempolicy.c:2507 [inline] folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2517 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1007 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:1981 ntfs_get_frame_pages+0xdc/0x5f0 fs/ntfs3/file.c:903 ntfs_compress_write+0x1cf4/0x3950 fs/ntfs3/file.c:1056 ntfs_file_write_iter+0xf39/0x10d0 fs/ntfs3/file.c:1224 do_iter_readv_writev+0x94a/0xba0 fs/read_write.c:-1 vfs_writev+0x52a/0x1500 fs/read_write.c:1057 do_pwritev fs/read_write.c:1153 [inline] __do_compat_sys_pwritev2 fs/read_write.c:1298 [inline] __se_compat_sys_pwritev2 fs/read_write.c:1290 [inline] __ia32_compat_sys_pwritev2+0x43d/0x6b0 fs/read_write.c:1290 ia32_sys_call+0x1810/0x4310 arch/x86/include/generated/asm/syscalls_32.h:380 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 1 UID: 0 PID: 11072 Comm: syz.1.1716 Not tainted 6.16.0-syzkaller-11105-ga6923c06a3b2 #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 =====================================================