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: 113d, last: 8h39m
▶ ▼ 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 -1 148 4h12m 292d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 564d 2090d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 750d 1059d 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 564 2d01h 291d 0/3 upstream: reported syz repro on 2026/01/26 17:02
linux-6.1 SYZFAIL: failed to mkdtemp (2) -1 syz 1642 18h47m 293d 0/3 upstream: reported syz repro on 2026/01/24 18:54
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1536d 2090d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1383d 2090d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 750d 872d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
android-6-12 SYZFAIL: failed to mkdtemp -1 120 1d12h 98d 0/1 premoderation: reported on 2026/08/07 10:45
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1707d 2090d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 750d 871d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1667d 1835d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2808 3h19m 1271d 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 3487 18h11m 1095d 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 (3315):
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
2026/11/13 12:13 android13-5.15-lts f181319b13ed be5d1971 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/13 06:52 android13-5.15-lts f181319b13ed 26b2fee0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/13 03:40 android13-5.15-lts f181319b13ed c0087d7f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/12 16:59 android13-5.15-lts f181319b13ed c0087d7f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/12 11:45 android13-5.15-lts f181319b13ed 8d68b303 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/12 00:45 android13-5.15-lts f181319b13ed 8d68b303 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/11 19:45 android13-5.15-lts f181319b13ed e56a968c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/11 13:33 android13-5.15-lts f181319b13ed e56a968c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/11 12:17 android13-5.15-lts f181319b13ed e56a968c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/11 10:16 android13-5.15-lts f181319b13ed d3056657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/11 08:52 android13-5.15-lts 2316d138a3c3 d3056657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 15:11 android13-5.15-lts 2316d138a3c3 d3056657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 14:02 android13-5.15-lts 2316d138a3c3 70ec0380 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 13:00 android13-5.15-lts 2316d138a3c3 70ec0380 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 09:47 android13-5.15-lts 2316d138a3c3 70ec0380 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 02:53 android13-5.15-lts 2316d138a3c3 70ec0380 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 01:07 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/10 00:03 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 22:14 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 20:41 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 20:23 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 18:52 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 17:02 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 15:34 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 11:01 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 08:27 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 06:27 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 03:33 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 02:14 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/09 00:40 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 22:15 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 20:13 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 19:55 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 18:20 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 17:12 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 15:45 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 12:23 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 11:15 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 09:53 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 08:53 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 08:31 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 07:14 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 05:44 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: failed to mkdtemp
2026/11/08 04:32 android13-5.15-lts 2316d138a3c3 5cecaf1f .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.