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: 8d02h, last: 1h38m
▶ ▼ 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 642d 754d 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 50 13h18m 85d 0/3 upstream: reported syz repro on 2026/05/04 23:44
linux-6.6 SYZFAIL: mkdir(syz-tmp) failed (2) -1 17 5d01h 20d 0/2 upstream: reported on 2026/07/08 04:46
upstream SYZFAIL: mkdir(syz-tmp) failed (3) -1 11 254d 450d 0/29 auto-obsoleted due to no activity on 2026/02/15 01:39
android-5-15 SYZFAIL: mkdir(syz-tmp) failed -1 107 644d 755d 0/2 auto-obsoleted due to no activity on 2024/12/11 23:48
android-54 SYZFAIL: mkdir(syz-tmp) failed -1 4 542d 543d 0/2 auto-obsoleted due to no activity on 2025/05/02 21:54
linux-6.1 SYZFAIL: mkdir(syz-tmp) failed -1 181 642d 754d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:17
linux-6.6 SYZFAIL: mkdir(syz-tmp) failed -1 5 152d 156d 0/2 auto-obsoleted due to no activity on 2026/06/06 14:57
android-5-10 SYZFAIL: mkdir(syz-tmp) failed -1 299 642d 754d 0/2 auto-obsoleted due to no activity on 2024/12/13 17:34
android-6-1 SYZFAIL: mkdir(syz-tmp) failed -1 134 642d 755d 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 4 1d11h 7d21h 0/2 premoderation: reported syz repro on 2026/07/21 06:39
upstream SYZFAIL: mkdir(syz-tmp) failed (2) -1 2575 613d 755d 0/29 auto-obsoleted due to no activity on 2025/01/11 22:52
android-5-15 SYZFAIL: mkdir(syz-tmp) failed (2) -1 syz 12 1d19h 7d21h 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 25 11h17m 156d 0/3 upstream: reported syz repro on 2026/02/22 17:16
upstream SYZFAIL: mkdir(syz-tmp) failed -1 syz unreliable error 633 1693d 1983d 0/29 auto-closed as invalid on 2022/09/19 12:19

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=0 req=17 state=1 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (22):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/07/29 02:17 android14-6.1 92668decd5e0 19622d9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/29 02:16 android14-6.1 92668decd5e0 19622d9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/28 22:38 android14-6.1 92668decd5e0 edc8a875 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/28 20:24 android14-6.1 92668decd5e0 edc8a875 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/28 18:09 android14-6.1 92668decd5e0 edc8a875 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/28 14:09 android14-6.1 92668decd5e0 edc8a875 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/28 06:25 android14-6.1 92668decd5e0 45ae1df4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/28 06:24 android14-6.1 92668decd5e0 45ae1df4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/27 12:01 android14-6.1 92668decd5e0 aae9036b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/27 12:01 android14-6.1 92668decd5e0 aae9036b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/27 12:01 android14-6.1 92668decd5e0 aae9036b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/27 01:45 android14-6.1 92668decd5e0 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 15:38 android14-6.1 92668decd5e0 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 14:30 android14-6.1 92668decd5e0 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 14:30 android14-6.1 92668decd5e0 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 13:53 android14-6.1 92668decd5e0 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/26 13:25 android14-6.1 92668decd5e0 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/25 00:51 android14-6.1 92668decd5e0 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/24 16:20 android14-6.1 92668decd5e0 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: mkdir(syz-tmp) failed
2026/07/21 01:50 android14-6.1 72b456bf57ad de6a700d .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.