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: 105d, last: 51m
▶ ▼ 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 -1 128 8h51m 284d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 556d 2082d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 742d 1051d 0/2 auto-obsoleted due to no activity on 2024/12/13 10:36
linux-5.15 SYZFAIL: failed to mkdtemp (2) origin:upstream -1 syz 559 10h03m 283d 0/3 upstream: reported syz repro on 2026/01/26 17:02
linux-6.1 SYZFAIL: failed to mkdtemp (2) -1 syz 1550 7h35m 284d 0/3 upstream: reported syz repro on 2026/01/24 18:54
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1528d 2082d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1375d 2082d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 741d 863d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
android-6-12 SYZFAIL: failed to mkdtemp -1 105 14h49m 90d 0/1 premoderation: reported on 2026/08/07 10:45
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1699d 2082d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 742d 863d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1659d 1827d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2796 2d00h 1263d 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 3308 1h58m 1087d 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 (3061):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/24 13:37 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/04 13:43 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/22 23:07 android13-5.15-lts dd960aad97f0 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/19 21:20 android13-5.15-lts bbd17eb595bb 1e72964b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/08/16 23:21 android13-5.15-lts 54275df9611d 746171ee .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
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
2026/11/05 17:59 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 17:13 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 15:28 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 14:35 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 13:38 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 13:21 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 13:12 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 07:19 android13-5.15-lts 2316d138a3c3 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 06:20 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 05:11 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 03:51 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 02:41 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/05 00:55 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 21:25 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 20:18 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 15:46 android13-5.15-lts 2316d138a3c3 73438ed0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 14:11 android13-5.15-lts 2316d138a3c3 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 08:01 android13-5.15-lts 2316d138a3c3 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 07:46 android13-5.15-lts 2316d138a3c3 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 06:04 android13-5.15-lts 2316d138a3c3 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/04 03:39 android13-5.15-lts 2316d138a3c3 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 20:53 android13-5.15-lts 2316d138a3c3 e2d35131 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 14:51 android13-5.15-lts 2316d138a3c3 e2d35131 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 13:36 android13-5.15-lts 2316d138a3c3 e2d35131 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 11:05 android13-5.15-lts 2316d138a3c3 6969b601 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 02:03 android13-5.15-lts 2316d138a3c3 6969b601 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 00:31 android13-5.15-lts 2316d138a3c3 6969b601 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/03 00:31 android13-5.15-lts 2316d138a3c3 6969b601 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/01 12:20 android13-5.15-lts 2316d138a3c3 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/31 15:56 android13-5.15-lts 2316d138a3c3 2041d3f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/31 05:11 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/31 00:53 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/30 18:32 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/30 15:25 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/30 09:33 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/30 00:55 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/30 00:47 android13-5.15-lts 2316d138a3c3 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/29 15:17 android13-5.15-lts 2316d138a3c3 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/29 11:25 android13-5.15-lts 2316d138a3c3 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/29 09:54 android13-5.15-lts 2316d138a3c3 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/29 04:47 android13-5.15-lts 2316d138a3c3 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/29 02:00 android13-5.15-lts 2316d138a3c3 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/10/02 19:36 android13-5.15-lts f5eaed2bbe33 57bbd979 .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.