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

Status: premoderation: reported syz repro on 2026/07/21 01:50
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+a733951c6bc8dbb5d1b9@syzkaller.appspotmail.com
First crash: 52d, last: 1h30m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/07/27 lts (merge base) 228da13e907e syz [report] lost connection to test machine
2026/07/27 upstream (ToT) f5098b6bae76 syz [report] lost connection to test machine
▶ ▼ 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 686d 798d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:16
linux-6.1 SYZFAIL: mkdir(syz-tmp) failed (2) origin:upstream -1 syz 242 6h17m 129d 0/3 upstream: reported syz repro on 2026/05/04 23:44
linux-6.6 SYZFAIL: mkdir(syz-tmp) failed (2) -1 23 1d09h 65d 0/2 upstream: reported on 2026/07/08 04:46
upstream SYZFAIL: mkdir(syz-tmp) failed (3) -1 11 298d 494d 0/29 auto-obsoleted due to no activity on 2026/02/15 01:39
android-5-15 SYZFAIL: mkdir(syz-tmp) failed -1 107 688d 799d 0/2 auto-obsoleted due to no activity on 2024/12/11 23:48
android-54 SYZFAIL: mkdir(syz-tmp) failed -1 4 586d 588d 0/2 auto-obsoleted due to no activity on 2025/05/02 21:54
linux-6.1 SYZFAIL: mkdir(syz-tmp) failed -1 181 686d 799d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:17
linux-6.6 SYZFAIL: mkdir(syz-tmp) failed -1 5 196d 200d 0/2 auto-obsoleted due to no activity on 2026/06/06 14:57
android-5-10 SYZFAIL: mkdir(syz-tmp) failed -1 299 686d 798d 0/2 auto-obsoleted due to no activity on 2024/12/13 17:34
android-6-1 SYZFAIL: mkdir(syz-tmp) failed -1 134 686d 799d 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 6 5d16h 52d 0/2 premoderation: reported syz repro on 2026/07/21 06:39
upstream SYZFAIL: mkdir(syz-tmp) failed (2) -1 2575 657d 799d 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 161 7d16h 52d 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 116 2h13m 200d 0/3 upstream: reported syz repro on 2026/02/22 17:16
upstream SYZFAIL: mkdir(syz-tmp) failed -1 syz unreliable error 633 1737d 2027d 0/29 auto-closed as invalid on 2022/09/19 12:19
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2026/09/10 16:01 11m retest repro android14-6.1 report job log log
2026/09/10 16:01 18m retest repro android14-6.1 report job log log
2026/09/10 16:01 20m retest repro android14-6.1 report job log log
2026/09/10 16:01 48m retest repro android14-6.1 report job log log
2026/09/10 16:01 50m retest repro android14-6.1 report job log log

Sample crash report:
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 127.0.0.1:35899->127.0.0.1:51698: read: connection reset by peer

Crashes (203):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/22 15:06 android14-6.1 92668decd5e0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/20 01:01 android14-6.1 92668decd5e0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/19 07:52 android14-6.1 92668decd5e0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/19 05:22 android14-6.1 92668decd5e0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/19 01:36 android14-6.1 92668decd5e0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/18 21:56 android14-6.1 92668decd5e0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/07 20:40 android14-6.1 92668decd5e0 e4ef95d6 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 16:55 android14-6.1 92668decd5e0 492bab15 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/21 05:59 android14-6.1 72b456bf57ad de6a700d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/09/11 06:35 android14-6.1 b16e29e4979f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/09/11 00:33 android14-6.1 b16e29e4979f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/24 08:58 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/23 22:26 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/23 02:24 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/22 20:36 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/22 19:22 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/22 17:46 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/22 11:21 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/22 07:43 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/22 05:18 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/21 21:48 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/21 18:33 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/21 15:41 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/21 13:12 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/21 03:56 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/20 12:57 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/19 18:48 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/19 05:05 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/19 03:27 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/18 18:05 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/18 10:41 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/18 05:56 android14-6.1 92668decd5e0 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/17 14:19 android14-6.1 92668decd5e0 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/17 12:40 android14-6.1 92668decd5e0 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/17 09:01 android14-6.1 92668decd5e0 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/16 22:11 android14-6.1 92668decd5e0 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/16 08:12 android14-6.1 92668decd5e0 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/16 01:32 android14-6.1 92668decd5e0 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/15 23:01 android14-6.1 92668decd5e0 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/14 04:00 android14-6.1 92668decd5e0 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/13 22:55 android14-6.1 92668decd5e0 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/13 18:54 android14-6.1 92668decd5e0 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/13 08:01 android14-6.1 92668decd5e0 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/13 00:24 android14-6.1 92668decd5e0 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/12 21:57 android14-6.1 92668decd5e0 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/12 19:16 android14-6.1 92668decd5e0 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/12 16:00 android14-6.1 92668decd5e0 f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/12 02:53 android14-6.1 92668decd5e0 f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/12 00:01 android14-6.1 92668decd5e0 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/11 14:25 android14-6.1 92668decd5e0 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/11 12:17 android14-6.1 92668decd5e0 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/11 09:46 android14-6.1 92668decd5e0 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/10 20:36 android14-6.1 92668decd5e0 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/08/10 18:32 android14-6.1 92668decd5e0 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
* Struck through repros no longer work on HEAD.