SYZFAIL: mkdir(syz-tmp) failed (2)

Status: upstream: reported syz repro on 2026/05/04 23:44
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+38f4a0c46e7c4d183146@syzkaller.appspotmail.com
First crash: 146d, last: 19h50m
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2026/07/09 upstream (ToT) 2c7c88a412aa syz [report] SYZFAIL: mkdir(syz-tmp) failed
▶ ▼ Similar bugs (15)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 SYZFAIL: mkdir(syz-tmp) failed -1 159 704d 816d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:16
linux-6.6 SYZFAIL: mkdir(syz-tmp) failed (2) -1 25 5d05h 82d 0/2 upstream: reported on 2026/07/08 04:46
upstream SYZFAIL: mkdir(syz-tmp) failed (3) -1 11 315d 512d 0/29 auto-obsoleted due to no activity on 2026/02/15 01:39
android-6-1 SYZFAIL: mkdir(syz-tmp) failed (2) origin:upstream -1 syz 275 9h53m 69d 0/2 premoderation: reported syz repro on 2026/07/21 01:50
android-5-15 SYZFAIL: mkdir(syz-tmp) failed -1 107 705d 817d 0/2 auto-obsoleted due to no activity on 2024/12/11 23:48
android-54 SYZFAIL: mkdir(syz-tmp) failed -1 4 604d 605d 0/2 auto-obsoleted due to no activity on 2025/05/02 21:54
linux-6.1 SYZFAIL: mkdir(syz-tmp) failed -1 181 704d 816d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:17
linux-6.6 SYZFAIL: mkdir(syz-tmp) failed -1 5 214d 218d 0/2 auto-obsoleted due to no activity on 2026/06/06 14:57
android-5-10 SYZFAIL: mkdir(syz-tmp) failed -1 299 704d 816d 0/2 auto-obsoleted due to no activity on 2024/12/13 17:34
android-6-1 SYZFAIL: mkdir(syz-tmp) failed -1 134 704d 817d 0/2 auto-obsoleted due to no activity on 2024/12/13 13:21
android-5-10 SYZFAIL: mkdir(syz-tmp) failed (2) -1 syz 15 16h09m 69d 0/2 premoderation: reported syz repro on 2026/07/21 06:39
upstream SYZFAIL: mkdir(syz-tmp) failed (2) -1 2575 674d 817d 0/29 auto-obsoleted due to no activity on 2025/01/11 22:52
android-5-15 SYZFAIL: mkdir(syz-tmp) failed (2) origin:upstream -1 syz 222 3h30m 69d 0/2 premoderation: reported syz repro on 2026/07/21 06:37
linux-5.15 SYZFAIL: mkdir(syz-tmp) failed (2) origin:upstream -1 syz error 152 1d01h 218d 0/3 upstream: reported syz repro on 2026/02/22 17:16
upstream SYZFAIL: mkdir(syz-tmp) failed -1 syz unreliable error 633 1755d 2045d 0/29 auto-closed as invalid on 2022/09/19 12:19

Sample crash report:
2026/09/22 18:10:21 executed programs: 38
SYZFAIL: mkdir(syz-tmp) failed
 (errno 30: Read-only file system)
loop exited with status 67
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: repeatedly failed to execute the program
proc=2 req=19 state=1 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:46827->127.0.0.1:58562: read: connection reset by peer

Crashes (336):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/22 18:10 linux-6.1.y 1a8763b93150 e12281bd .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/07/05 08:24 linux-6.1.y 090666d3cc90 fcece630 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/21 06:22 linux-6.1.y 1a8763b93150 853b104b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/08/05 13:15 linux-6.1.y fb28aa725e05 52aa2820 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 13:01 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/27 20:07 linux-6.1.y 1a8763b93150 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/27 17:34 linux-6.1.y 1a8763b93150 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/27 16:06 linux-6.1.y 1a8763b93150 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/24 19:56 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/24 18:52 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/24 17:01 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/24 06:07 linux-6.1.y 1a8763b93150 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/23 00:12 linux-6.1.y 1a8763b93150 5207b90e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/22 14:38 linux-6.1.y 1a8763b93150 e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/22 09:30 linux-6.1.y 1a8763b93150 e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/22 00:55 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/19 17:26 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/19 13:49 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 22:19 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 21:14 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 05:34 linux-6.1.y 1a8763b93150 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 01:35 linux-6.1.y 1a8763b93150 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/16 19:10 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/16 12:36 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/16 09:53 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/16 05:42 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/16 00:00 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/15 17:01 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/05/04 23:43 linux-6.1.y 4931e0e1673d a898ba9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mkdir(syz-tmp) failed
2026/09/28 02:50 linux-6.1.y 1a8763b93150 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/27 22:11 linux-6.1.y 1a8763b93150 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/26 00:04 linux-6.1.y 1a8763b93150 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/25 06:47 linux-6.1.y 1a8763b93150 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/24 08:59 linux-6.1.y 1a8763b93150 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/23 15:11 linux-6.1.y 1a8763b93150 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/23 12:49 linux-6.1.y 1a8763b93150 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/23 00:25 linux-6.1.y 1a8763b93150 5207b90e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/22 22:44 linux-6.1.y 1a8763b93150 5207b90e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/21 08:28 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/20 07:43 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/20 05:05 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/19 07:21 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/18 11:32 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/18 09:09 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/18 01:30 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 23:47 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 18:34 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/17 02:52 linux-6.1.y 1a8763b93150 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/16 08:43 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/15 18:35 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/14 18:52 linux-6.1.y 1a8763b93150 81a27d1a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/14 09:52 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/14 00:50 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
2026/09/13 22:25 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: mkdir(syz-tmp) failed
* Struck through repros no longer work on HEAD.