syzbot


WARNING in ni_rename (2)

Status: upstream: reported C repro on 2025/10/30 22:35
Subsystems: ntfs3
[Documentation on labels]
Reported-by: syzbot+4d8e30dbafb5c1260479@syzkaller.appspotmail.com
First crash: 209d, last: 4d21h
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 (4)
ID Workflow Result Correct Bug Created Started Finished Revision Error
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/444d68288f49fc8de4ffd392e53417f97a3b1a92" "-s" "bzImage" "compile_commands.json"]: exit status 2 Root cause: error: unable to open output file 'lib/vdso/datastore.o': 'No such file or directory' error: unable to open output file 'lib/raid/xor/xor-core.o': 'No such file or directory' error: unable to open output file 'lib/raid/xor/xor-8regs.o': 'No such file or directory' error: unable to open output file 'drivers/pci/controller/pci-host-common.o': 'No such file or directory' /app/workdir/cache/src/ca57ecb8fdb59054b50823206eac1bdc4d565b45/lib/maple_tree.c:3514:20: warning: stack frame size (2424) exceeds limit (2048) in 'mas_wr_store_entry' [-Wframe-larger-than] 3514 | static inline void mas_wr_store_entry(struct ma_wr_state *wr_mas) | ^ 1 warning generated. /app/workdir/cache/src/ca57ecb8fdb59054b50823206eac1bdc4d565b45/sound/usb/mixer_s1810c.c:634:5: warning: stack frame size (2360) exceeds limit (2048) in 'snd_sc1810_init_mixer' [-Wframe-larger-than] 634 | int snd_sc1810_init_mixer(struct usb_mixer_interface *mixer) | ^ 1 warning generated. /app/workdir/cache/src/ca57ecb8fdb59054b50823206eac1bdc4d565b45/net/ethtool/cmis_fw_update.c:432:1: warning: stack frame size (2392) exceeds limit (2048) in 'ethtool_cmis_fw_update' [-Wframe-larger-than] 432 | ethtool_cmis_fw_update(struct ethtool_cmis_fw_update_params *fw_update) | ^ 1 warning generated. fatal error: error in backend: IO failure on output stream: No space left on device PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /usr/bin/clang --target=x86_64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -fmacro-prefix-map=/app/workdir/cache/src/ca57ecb8fdb59054b50823206eac1bdc4d565b45/= -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-extensions -Wno-gnu -Wno-microsoft-anon-tag -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -mno-sse4a -fcf-protection=branch -fno-jump-tables -m64 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mstack-alignment=8 -mskip-rax-setup -march=x86-64 -mtune=generic -mno-red-zone -mcmodel=kernel -mstack-protector-guard-reg=gs -mstack-protector-guard-symbol=__ref_stack_chk_guard -Wno-sign-compare -fno-asynchronous-unwind-tables -mretpoline-external-thunk -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -fpatchable-function-entry=16,16 -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -fomit-frame-pointer -ftrivial-auto-var-init=zero -fno-stack-clash-protection -falign-functions=16 -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=2048 -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-format-overflow -Wno-override-init -Wno-pointer-to-enum-cast -Wno-tautological-constant-out-of-range-compare -Wno-unaligned-access -Wno-enum-compare-conditional -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -g -gdwarf-4 -fsanitize=kernel-address -mllvm -asan-mapping-offset=0xdffffc0000000000 -mllvm -asan-instrumentation-with-call-threshold=10000 -mllvm -asan-stack
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 145d 178d 0/2 auto-obsoleted due to no activity on 2026/03/12 09:45
upstream WARNING in ni_rename ntfs3 -1 C error 233 211d 331d 29/29 fixed on 2025/10/29 21:02
linux-6.6 WARNING in ni_rename origin:upstream -1 C done 15 212d 284d 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 (201):
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
2026/05/20 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
2026/04/01 06:02 upstream dbf00d8d23b4 fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/03/31 13:36 upstream d0c3bcd5b897 aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/03/28 05:55 upstream 7df48e363130 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/03/24 06:28 upstream c369299895a5 baf8bf12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/03/17 01:37 upstream 2d1373e4246d 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/03/16 13:39 upstream f338e7738378 64e21424 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ni_rename
2026/03/16 04:53 upstream 4f3df2e5ea69 ee8d34d6 .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
2026/05/22 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
2026/03/22 10:25 upstream 113ae7b4decc 5b92003d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ni_rename
2026/03/19 09:14 upstream 8a30aeb0d1b4 0199f9a1 .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
2026/03/29 18:22 linux-next 3b058d1aeeef 356bdfc9 .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.