syzbot


WARNING in ni_rename (2)

Status: upstream: reported C repro on 2025/10/30 22:35
Subsystems: ntfs3
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+4d8e30dbafb5c1260479@syzkaller.appspotmail.com
Fix commit: fs/ntfs3: call _ntfs_bad_inode() when failing to rename
Patched on: [ci-upstream-linux-next-kasan-gce-root ci-upstream-rust-kasan-gce], missing on: [ci-qemu-gce-upstream-auto ci-qemu-native-arm64-kvm ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 235d, last: 1d07h
Cause bisection: introduced by (bisect log) :
commit d2d6422f8bd17c6bb205133e290625a564194496
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri Sep 6 10:59:04 2024 +0000

  x86: Allow to enable PREEMPT_RT.

Crash: BUG: unable to handle kernel paging request in folio_wait_bit_common (log)
Repro: C syz .config
  
✨ AI Jobs (5)
ID Workflow Result Correct Bug Created Started Finished Revision Error
f20f169c-ee14-43a4-9975-4bf1bf3d2f90 assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ✅ NetworkTrigger: ❌ PeripheralTrigger: ✅ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ WARNING in ni_rename (2) 2026/05/31 03:53 2026/05/31 03:53 2026/05/31 04:48 6b4a844333e83556da95d61d7f207e7ef5cd4bc6

			
		
35fd3ce7-4c6f-4232-9135-0991c5056026 assessment-security 💥 WARNING in ni_rename (2) 2026/05/14 13:53 2026/05/14 13:53 2026/05/14 13:55 6ccb967e465e832a7bfd7a116ad00d52a0923a5d
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/444d68288f49fc8de4...
truncated to first 200 bytes; open job for full error
6ef80ab8-6ead-417f-a2af-7825f7256371 repro 💥 WARNING in ni_rename (2) 2026/03/26 19:25 2026/03/26 19:25 2026/03/26 19:56 50cdcaa1adff11dc8afdfa7ec9e390b9c5b72c3f
reproducer did not crash
962abe86-4182-4a57-886c-4f9cc6472fb7 repro 💥 WARNING in ni_rename (2) 2026/03/16 14:14 2026/03/16 16:50 2026/03/16 17:08 f84caa2f84dea47b51a188e8d6267f295e89bbcb
failed to deserialize syzkaller program: wrong type *prog.PtrType for AUTO
f2936879-4bc2-43c6-aa82-9bcee536bb9c patching 💥 WARNING in ni_rename (2) 2026/03/11 17:43 2026/03/14 23:46 2026/03/14 23:55 f84caa2f84dea47b51a188e8d6267f295e89bbcb
reproducer did not crash
Discussions (7)
Title Replies (including bot) Last reply
[PATCH] fs/ntfs3: call _ntfs_bad_inode() when failing to rename 2 (2) 2026/05/26 10:02
[syzbot] Monthly ntfs3 report (May 2026) 0 (1) 2026/05/02 12:32
[syzbot] Monthly ntfs3 report (Apr 2026) 0 (1) 2026/04/01 07:42
[syzbot] [ntfs3?] WARNING in ni_rename (2) 0 (8) 2026/03/19 16:31
[syzbot] Monthly ntfs3 report (Mar 2026) 0 (1) 2026/03/01 06:22
[syzbot] Monthly ntfs3 report (Jan 2026) 0 (1) 2026/01/28 22:39
[syzbot] Monthly ntfs3 report (Nov 2025) 0 (1) 2025/11/27 07:44
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in ni_rename (2) -1 C error 15 171d 205d 0/2 auto-obsoleted due to no activity on 2026/03/12 09:45
upstream WARNING in ni_rename ntfs3 -1 C error 233 238d 357d 29/29 fixed on 2025/10/29 21:02
linux-6.6 WARNING in ni_rename origin:upstream -1 C done 15 238d 310d 2/2 fixed on 2025/11/26 13:30
Last patch testing requests (7)
Created Duration User Patch Repo Result
2026/03/19 16:31 49m junjie.cao@linux.dev https://github.com/Lukaaa525/linux-kernel.git ntfs3-ni-rename-fix error
2026/03/19 15:48 13m junjie.cao@linux.dev https://github.com/Lukaaa525/linux-kernel.git ntfs3-ni-rename-fix error
2026/03/19 15:39 10m junjie.cao@linux.dev patch upstream error
2026/03/19 11:29 12m junjie.cao@linux.dev patch upstream error
2025/11/10 16:45 25m kshitijvparanjape@gmail.com patch upstream OK log
2025/11/04 06:47 14m listout@listout.xyz patch upstream report log
2025/11/04 06:06 14m listout@listout.xyz patch upstream report log

Sample crash report:
loop0: detected capacity change from 0 to 4096
------------[ cut here ]------------
err && ni_remove_name(new_dir_ni, ni, new_de, &de2, &undo)
WARNING: fs/ntfs3/frecord.c:2799 at ni_rename+0xee/0x100 fs/ntfs3/frecord.c:2798, CPU#1: syz.0.17/6008
Modules linked in:
CPU: 1 UID: 0 PID: 6008 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:ni_rename+0xee/0x100 fs/ntfs3/frecord.c:2798
Code: 8b 05 46 07 57 0f 48 3b 44 24 10 75 22 44 89 e0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 23 2b aa fe 90 <0f> 0b 90 eb c5 e8 f8 2a 10 08 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc90003b07ad8 EFLAGS: 00010293
RAX: ffffffff831a68fd RBX: 00000000fffffffe RCX: ffff88801ebedc40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000fffffffe R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f1711f R12: 0000000000000000
R13: ffff888040eac000 R14: ffff8880583f8f40 R15: ffff8880583fa620
FS:  0000555562f11500(0000) GS:ffff888126209000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed63fff CR3: 0000000034544000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ntfs_rename+0x6ea/0xb40 fs/ntfs3/namei.c:331
 vfs_rename+0xa96/0xeb0 fs/namei.c:6054
 filename_renameat2+0x539/0x9c0 fs/namei.c:6172
 __do_sys_rename fs/namei.c:6216 [inline]
 __se_sys_rename+0x55/0x2c0 fs/namei.c:6212
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdb3fe1c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffca8b45948 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fdb40095fa0 RCX: 00007fdb3fe1c819
RDX: 0000000000000000 RSI: 0000200000000380 RDI: 0000200000000600
RBP: 00007fdb3feb2c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdb40095fac R14: 00007fdb40095fa0 R15: 00007fdb40095fa0
 </TASK>

Crashes (220):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/18 16:28 upstream 8541d8f725c6 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ni_rename
2025/11/29 13:56 upstream 19eef1d98eed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ni_rename
2025/10/30 07:36 upstream e53642b87a4f fd2207e7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ni_rename
2025/10/30 06:02 upstream e53642b87a4f fd2207e7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ni_rename
2026/01/07 13:34 linux-next f96074c6d01d d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in ni_rename
2026/01/07 05:18 linux-next 6cd6c1203113 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in ni_rename
2026/06/21 01:13 upstream 1a3746ccbb0a 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/20 17:57 upstream 1a3746ccbb0a 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/19 05:56 upstream 83f1454877cc a776b0d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/19 04:13 upstream 83f1454877cc a776b0d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/17 23:10 upstream 66affa37cfac b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/17 10:22 upstream 6b5a2b7d9bc1 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/17 04:57 upstream 6b5a2b7d9bc1 62cc6db3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/16 19:03 upstream b1cbabe84ca1 a3998659 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/13 15:18 upstream 062871f1371b 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/11 03:59 upstream 9716c086c8e8 b754d2d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/05 19:02 upstream ddd664bbff63 48b6c3fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/06/01 00:27 upstream 174914ea5513 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/29 10:03 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/20 04:23 upstream 27fa82620cba 0909d65f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/18 06:26 upstream e5d505e3664b de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/15 16:57 upstream 70eda68668d1 9cd3beaa .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/15 14:48 upstream 70eda68668d1 9cd3beaa .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/14 22:43 upstream 66182ca873a4 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/14 08:16 upstream e1914add2799 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/13 05:45 upstream c21b90f77687 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/12 16:08 upstream 50897c955902 07aeade5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/12 01:58 upstream 50897c955902 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/05/03 15:54 upstream 66edb901bf87 a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/24 23:56 upstream dd6c438c3e64 1c2b9291 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/24 10:23 upstream 45dcf5e28813 9cfb3ca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/22 01:11 upstream 4ee64205ffaa 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/21 13:22 upstream b4e07588e743 3f2e655b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/18 15:02 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/12 01:13 upstream e753c16cb3dd 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/10 23:32 upstream 7c6c4ed80b87 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/09 21:14 upstream 8b02520ec5f7 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/09 06:50 upstream 7f87a5ea75f0 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/08 18:09 upstream 3036cd0d3328 d9b7f621 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ni_rename
2026/04/08 17:05 upstream 3036cd0d3328 d9b7f621 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/08 06:23 upstream 3036cd0d3328 2c961e87 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/07 10:05 upstream bfe62a454542 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/04 14:27 upstream 631919fb12fe 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/03 17:28 upstream d8a9a4b11a13 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/04/01 22:45 upstream 9147566d8016 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/01/24 08:09 upstream 62085877ae65 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ni_rename
2026/06/09 08:27 upstream 2d3090a8aeb5 656e94c6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/06/08 21:18 upstream 2d3090a8aeb5 656e94c6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/06/06 20:42 upstream 8e65320d91cd cc095639 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/06/01 13:59 upstream e43ffb69e043 8d8eeb3a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/05/22 08:42 upstream 758c807bb943 70ae9b03 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/05/09 13:32 upstream 70390501d194 29233ece .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/05/02 01:01 upstream 6fe0be6dc7fa 753c55b9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/05/01 16:49 upstream 26fd6bff2c05 753c55b9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/05/01 10:02 upstream 26fd6bff2c05 753c55b9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/04/05 16:29 upstream 3aae9383f42f 4440e7c2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/04/04 20:41 upstream 3aae9383f42f 4440e7c2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/04/02 21:14 linux-next cc13002a9f98 8b15d4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ni_rename
2026/04/02 07:52 linux-next bd0f139e5fc1 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ni_rename
2026/02/05 02:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 ea10c935 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ni_rename
* Struck through repros no longer work on HEAD.