===================================================== BUG: KMSAN: uninit-value in ntfs_dir_emit fs/ntfs3/dir.c:335 [inline] BUG: KMSAN: uninit-value in ntfs_read_hdr+0xfd2/0x1440 fs/ntfs3/dir.c:384 ntfs_dir_emit fs/ntfs3/dir.c:335 [inline] ntfs_read_hdr+0xfd2/0x1440 fs/ntfs3/dir.c:384 ntfs_readdir+0xf21/0x1a30 fs/ntfs3/dir.c:495 iterate_dir+0x459/0x630 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:412 [inline] __se_sys_getdents64+0x17e/0x550 fs/readdir.c:397 __x64_sys_getdents64+0x97/0xe0 fs/readdir.c:397 x64_sys_call+0x3cef/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:218 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: ntfs_write_bh+0x6ae/0xe90 fs/ntfs3/fsntfs.c:1437 indx_write fs/ntfs3/index.c:1027 [inline] indx_insert_into_buffer+0x287/0x2010 fs/ntfs3/index.c:1819 indx_insert_entry+0xcde/0x1050 fs/ntfs3/index.c:1997 ntfs_create_inode+0x3ee3/0x57b0 fs/ntfs3/inode.c:1656 ntfs_create+0x56/0x70 fs/ntfs3/namei.c:110 lookup_open fs/namei.c:4449 [inline] open_last_lookups fs/namei.c:4549 [inline] path_openat+0x37dd/0x7160 fs/namei.c:4793 do_filp_open+0x27f/0x660 fs/namei.c:4823 file_open_name fs/open.c:1376 [inline] filp_open+0x2a2/0x2e0 fs/open.c:1396 coredump_file fs/coredump.c:931 [inline] do_coredump fs/coredump.c:1099 [inline] vfs_coredump+0x4de8/0x8d90 fs/coredump.c:1200 get_signal+0x2068/0x29d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x53/0xc00 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop kernel/entry/common.c:75 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline] irqentry_exit+0xef/0x6d0 kernel/entry/common.c:196 exc_page_fault+0x7e/0xb0 arch/x86/mm/fault.c:1530 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:618 Uninit was stored to memory at: hdr_insert_de+0x471/0x560 fs/ntfs3/index.c:835 indx_insert_into_buffer+0x1b6/0x2010 fs/ntfs3/index.c:1815 indx_insert_entry+0xcde/0x1050 fs/ntfs3/index.c:1997 ntfs_create_inode+0x3ee3/0x57b0 fs/ntfs3/inode.c:1656 ntfs_create+0x56/0x70 fs/ntfs3/namei.c:110 lookup_open fs/namei.c:4449 [inline] open_last_lookups fs/namei.c:4549 [inline] path_openat+0x37dd/0x7160 fs/namei.c:4793 do_filp_open+0x27f/0x660 fs/namei.c:4823 file_open_name fs/open.c:1376 [inline] filp_open+0x2a2/0x2e0 fs/open.c:1396 coredump_file fs/coredump.c:931 [inline] do_coredump fs/coredump.c:1099 [inline] vfs_coredump+0x4de8/0x8d90 fs/coredump.c:1200 get_signal+0x2068/0x29d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x53/0xc00 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop kernel/entry/common.c:75 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline] irqentry_exit+0xef/0x6d0 kernel/entry/common.c:196 exc_page_fault+0x7e/0xb0 arch/x86/mm/fault.c:1530 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:618 Uninit was stored to memory at: ntfs_read_run_nb+0x7cf/0x1810 fs/ntfs3/fsntfs.c:1232 ntfs_read_bh+0x6a/0xc10 fs/ntfs3/fsntfs.c:1293 indx_read+0x447/0x1820 fs/ntfs3/index.c:1067 indx_find+0xa80/0x1500 fs/ntfs3/index.c:1179 indx_insert_entry+0xd74/0x1050 fs/ntfs3/index.c:1974 ntfs_create_inode+0x3ee3/0x57b0 fs/ntfs3/inode.c:1656 ntfs_create+0x56/0x70 fs/ntfs3/namei.c:110 lookup_open fs/namei.c:4449 [inline] open_last_lookups fs/namei.c:4549 [inline] path_openat+0x37dd/0x7160 fs/namei.c:4793 do_filp_open+0x27f/0x660 fs/namei.c:4823 file_open_name fs/open.c:1376 [inline] filp_open+0x2a2/0x2e0 fs/open.c:1396 coredump_file fs/coredump.c:931 [inline] do_coredump fs/coredump.c:1099 [inline] vfs_coredump+0x4de8/0x8d90 fs/coredump.c:1200 get_signal+0x2068/0x29d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x53/0xc00 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop kernel/entry/common.c:75 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline] irqentry_exit+0xef/0x6d0 kernel/entry/common.c:196 exc_page_fault+0x7e/0xb0 arch/x86/mm/fault.c:1530 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:618 Uninit was stored to memory at: ntfs_write_bh+0x6ae/0xe90 fs/ntfs3/fsntfs.c:1437 indx_write fs/ntfs3/index.c:1027 [inline] indx_delete_entry+0x27c5/0x88c0 fs/ntfs3/index.c:2347 ni_remove_name+0x33d/0xdb0 fs/ntfs3/frecord.c:2805 ni_rename+0x170/0x220 fs/ntfs3/frecord.c:2965 ntfs_rename+0xdd2/0x1290 fs/ntfs3/namei.c:332 vfs_rename+0x249d/0x29a0 fs/namei.c:5938 do_renameat2+0xb7f/0x15a0 fs/namei.c:6056 __do_sys_rename fs/namei.c:6099 [inline] __se_sys_rename fs/namei.c:6097 [inline] __x64_sys_rename+0xd7/0x140 fs/namei.c:6097 x64_sys_call+0x2c5/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: ntfs_read_run_nb+0x7cf/0x1810 fs/ntfs3/fsntfs.c:1232 ntfs_read_bh+0x6a/0xc10 fs/ntfs3/fsntfs.c:1293 indx_read+0x447/0x1820 fs/ntfs3/index.c:1067 indx_find+0xa80/0x1500 fs/ntfs3/index.c:1179 indx_delete_entry+0x117f/0x88c0 fs/ntfs3/index.c:2311 ni_remove_name+0x33d/0xdb0 fs/ntfs3/frecord.c:2805 ni_rename+0x170/0x220 fs/ntfs3/frecord.c:2965 ntfs_rename+0xdd2/0x1290 fs/ntfs3/namei.c:332 vfs_rename+0x249d/0x29a0 fs/namei.c:5938 do_renameat2+0xb7f/0x15a0 fs/namei.c:6056 __do_sys_rename fs/namei.c:6099 [inline] __se_sys_rename fs/namei.c:6097 [inline] __x64_sys_rename+0xd7/0x140 fs/namei.c:6097 x64_sys_call+0x2c5/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: ntfs_write_bh+0x6ae/0xe90 fs/ntfs3/fsntfs.c:1437 indx_write fs/ntfs3/index.c:1027 [inline] indx_insert_into_buffer+0x287/0x2010 fs/ntfs3/index.c:1819 indx_insert_entry+0xcde/0x1050 fs/ntfs3/index.c:1997 ni_add_name+0xef7/0x11e0 fs/ntfs3/frecord.c:2931 ni_rename+0x97/0x220 fs/ntfs3/frecord.c:2962 ntfs_rename+0xdd2/0x1290 fs/ntfs3/namei.c:332 vfs_rename+0x249d/0x29a0 fs/namei.c:5938 do_renameat2+0xb7f/0x15a0 fs/namei.c:6056 __do_sys_rename fs/namei.c:6099 [inline] __se_sys_rename fs/namei.c:6097 [inline] __x64_sys_rename+0xd7/0x140 fs/namei.c:6097 x64_sys_call+0x2c5/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: hdr_insert_de+0x4cc/0x560 fs/ntfs3/index.c:838 indx_insert_into_buffer+0x1b6/0x2010 fs/ntfs3/index.c:1815 indx_insert_entry+0xcde/0x1050 fs/ntfs3/index.c:1997 ni_add_name+0xef7/0x11e0 fs/ntfs3/frecord.c:2931 ni_rename+0x97/0x220 fs/ntfs3/frecord.c:2962 ntfs_rename+0xdd2/0x1290 fs/ntfs3/namei.c:332 vfs_rename+0x249d/0x29a0 fs/namei.c:5938 do_renameat2+0xb7f/0x15a0 fs/namei.c:6056 __do_sys_rename fs/namei.c:6099 [inline] __se_sys_rename fs/namei.c:6097 [inline] __x64_sys_rename+0xd7/0x140 fs/namei.c:6097 x64_sys_call+0x2c5/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4960 [inline] slab_alloc_node mm/slub.c:5263 [inline] kmem_cache_alloc_noprof+0x967/0x1730 mm/slub.c:5270 ntfs_rename+0x874/0x1290 fs/ntfs3/namei.c:307 vfs_rename+0x249d/0x29a0 fs/namei.c:5938 do_renameat2+0xb7f/0x15a0 fs/namei.c:6056 __do_sys_rename fs/namei.c:6099 [inline] __se_sys_rename fs/namei.c:6097 [inline] __x64_sys_rename+0xd7/0x140 fs/namei.c:6097 x64_sys_call+0x2c5/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 8197 Comm: syz-executor Tainted: G W L syzkaller #0 PREEMPT(voluntary) Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 =====================================================