SYZFAIL: failed to mkdtemp (2)

Status: premoderation: reported syz repro on 2026/07/23 02:58
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+a46a81dca88f6f6958f0@syzkaller.appspotmail.com
First crash: 17d, last: 24m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/08/04 lts (merge base) c86c4726e7f0 syz [report] SYZFAIL: failed to mkdtemp
2026/08/04 upstream (ToT) 848acc8ffe1b syz [report] SYZFAIL: posix_spawnp failed
▶ ▼ Similar bugs (14)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 SYZFAIL: failed to mkdtemp -1 97 5h43m 197d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 468d 1995d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 654d 963d 0/2 auto-obsoleted due to no activity on 2024/12/13 10:36
linux-5.15 SYZFAIL: failed to mkdtemp (2) -1 206 14h34m 195d 0/3 upstream: reported on 2026/01/26 17:02
linux-6.1 SYZFAIL: failed to mkdtemp (2) -1 507 5m 197d 0/3 upstream: reported on 2026/01/24 18:54
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1440d 1994d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1287d 1994d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 654d 776d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
android-6-12 SYZFAIL: failed to mkdtemp -1 4 19h45m 2d13h 0/1 premoderation: reported on 2026/08/07 10:45
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1611d 1995d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 654d 776d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1571d 1739d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2703 17h02m 1175d 0/2 premoderation: reported syz repro on 2023/05/22 11:24
android-6-1 SYZFAIL: failed to mkdtemp origin:upstream -1 syz error error 2031 2h31m 999d 0/2 premoderation: reported syz repro on 2023/11/14 15:04

Sample crash report:
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: failed to mkdtemp
 (errno 30: Read-only file system)
SYZFAIL: repeatedly failed to execute the program
proc=2 req=617 state=1 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (601):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/01 07:48 android13-5.15-lts 61d896ee2a80 e611ffe1 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/07/31 22:25 android13-5.15-lts 61d896ee2a80 7664cf44 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/07/24 22:22 android13-5.15-lts 61d896ee2a80 dd737a83 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 23:53 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 23:17 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 22:10 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 21:00 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 19:06 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 18:51 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 17:47 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 16:21 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 15:15 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 14:01 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 13:10 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 11:36 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 10:32 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 09:21 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 08:16 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 07:13 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 06:02 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 04:58 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 04:54 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 03:25 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 01:59 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 01:19 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/09 00:10 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 22:49 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 21:35 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 20:29 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 19:48 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 18:16 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 17:14 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 16:14 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 14:42 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 14:27 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 09:53 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 08:03 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 04:35 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 03:22 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 01:22 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 01:15 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/08 00:10 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/07 23:48 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/07 22:47 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/07 20:25 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
* Struck through repros no longer work on HEAD.