syzbot


WARNING in ni_rename (3)

Status: upstream: reported on 2026/06/22 16:30
Reported-by: syzbot+abf6e673385b0fca16db@syzkaller.appspotmail.com
First crash: 2d09h, last: 2d09h
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ni_rename (2) prio:low ntfs3 -1 C done 226 2d05h 237d 17/29 upstream: reported C repro on 2025/10/30 22:35
linux-6.6 WARNING in ni_rename (2) -1 C error 15 174d 207d 0/2 auto-obsoleted due to no activity on 2026/03/12 09:45
upstream WARNING in ni_rename ntfs3 -1 C error 233 240d 360d 29/29 fixed on 2025/10/29 21:02
linux-6.6 WARNING in ni_rename origin:upstream -1 C done 15 241d 313d 2/2 fixed on 2025/11/26 13:30

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5963 at fs/ntfs3/frecord.c:3110 ni_rename+0xea/0x100 fs/ntfs3/frecord.c:3109
Modules linked in:
CPU: 1 PID: 5963 Comm: syz.2.31 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ni_rename+0xea/0x100 fs/ntfs3/frecord.c:3109
Code: 68 bb fe 65 48 8b 04 25 28 00 00 00 48 3b 44 24 10 75 1b 44 89 e0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 96 68 bb fe <0f> 0b eb cb e8 7d 5a b8 07 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
RSP: 0018:ffffc90004d37ad0 EFLAGS: 00010287
RAX: ffffffff82cb7cba RBX: 00000000fffffffe RCX: 0000000000080000
RDX: ffffc9000da0c000 RSI: 0000000000017264 RDI: 0000000000017265
RBP: 00000000fffffffe R08: ffffffff911bc627 R09: 1ffffffff22378c4
R10: dffffc0000000000 R11: fffffbfff22378c5 R12: 0000000000000000
R13: ffff88807a520000 R14: ffff8880772d0000 R15: ffff8880772fe740
FS:  00007fce9e9d16c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c0122a000 CR3: 000000002392a000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ntfs_rename+0x69f/0xb10 fs/ntfs3/namei.c:332
 vfs_rename+0xb36/0xe60 fs/namei.c:4880
 do_renameat2+0x8b0/0xc80 fs/namei.c:5033
 __do_sys_renameat2 fs/namei.c:5066 [inline]
 __se_sys_renameat2 fs/namei.c:5063 [inline]
 __x64_sys_renameat2+0xd2/0xe0 fs/namei.c:5063
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fce9db9ce59
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:00007fce9e9d1028 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007fce9de15fa0 RCX: 00007fce9db9ce59
RDX: ffffffffffffff9c RSI: 0000200000000480 RDI: ffffffffffffff9c
RBP: 00007fce9dc32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fce9de16038 R14: 00007fce9de15fa0 R15: 00007ffcfb6d39d8
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/22 16:30 linux-6.6.y d1cfde2d5d15 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ni_rename
2026/06/22 16:30 linux-6.6.y d1cfde2d5d15 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ni_rename
* Struck through repros no longer work on HEAD.