ntfs3(loop3): ino=1a, mi_enum_attr ntfs3(loop3): 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_sys_pwritev2 fs/read_write.c:1211 [inline] __se_sys_pwritev2+0x22f/0x480 fs/read_write.c:1202 __x64_sys_pwritev2+0xe4/0x150 fs/read_write.c:1202 x64_sys_call+0x37d0/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:329 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:4982 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2419 alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline] alloc_pages_noprof mm/mempolicy.c:2510 [inline] folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2520 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1007 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:1980 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_sys_pwritev2 fs/read_write.c:1211 [inline] __se_sys_pwritev2+0x22f/0x480 fs/read_write.c:1202 __x64_sys_pwritev2+0xe4/0x150 fs/read_write.c:1202 x64_sys_call+0x37d0/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:329 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 14823 Comm: syz.3.2751 Not tainted 6.16.0-syzkaller-06699-ge8d780dcd957 #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 =====================================================