===================================================== BUG: KMSAN: uninit-value in memcmp lib/string.c:676 [inline] BUG: KMSAN: uninit-value in bcmp+0xc3/0x1c0 lib/string.c:708 memcmp lib/string.c:676 [inline] bcmp+0xc3/0x1c0 lib/string.c:708 ni_update_parent+0xeda/0x14b0 fs/ntfs3/frecord.c:3205 ni_write_inode+0x1d05/0x1df0 fs/ntfs3/frecord.c:3321 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1019 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x8da/0x1290 fs/fs-writeback.c:1745 writeback_sb_inodes+0xac4/0x1c90 fs/fs-writeback.c:1976 wb_writeback+0x4df/0xcb0 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x40b/0x1940 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3317 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Uninit was stored to memory at: ni_add_name+0xe1b/0x10d0 fs/ntfs3/frecord.c:3049 ntfs_link_inode+0x265/0x310 fs/ntfs3/inode.c:1738 ntfs_link+0x21d/0x500 fs/ntfs3/namei.c:146 vfs_link+0x94c/0xb70 fs/namei.c:4795 do_linkat+0x4f5/0xff0 fs/namei.c:4865 __do_sys_link fs/namei.c:4899 [inline] __se_sys_link fs/namei.c:4897 [inline] __x64_sys_link+0xe8/0x140 fs/namei.c:4897 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:4121 [inline] slab_alloc_node mm/slub.c:4164 [inline] kmem_cache_alloc_noprof+0x915/0xe10 mm/slub.c:4171 ntfs_link_inode+0x8f/0x310 fs/ntfs3/inode.c:1726 ntfs_link+0x21d/0x500 fs/ntfs3/namei.c:146 vfs_link+0x94c/0xb70 fs/namei.c:4795 do_linkat+0x4f5/0xff0 fs/namei.c:4865 __do_sys_link fs/namei.c:4899 [inline] __se_sys_link fs/namei.c:4897 [inline] __x64_sys_link+0xe8/0x140 fs/namei.c:4897 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: 5066 Comm: kworker/u8:18 Not tainted 6.14.0-rc1-syzkaller-00235-g9946eaf552b1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: writeback wb_workfn (flush-7:3) =====================================================