SYZFAIL: failed to mkdtemp (2)

Status: upstream: reported on 2026/01/24 18:54
Reported-by: syzbot+9f6e1793ecf63b07c80c@syzkaller.appspotmail.com
First crash: 182d, last: 46m
▶ ▼ Similar bugs (13)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 SYZFAIL: failed to mkdtemp -1 74 1d05h 182d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 454d 1980d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 640d 949d 0/2 auto-obsoleted due to no activity on 2024/12/13 10:36
android-5-15 SYZFAIL: failed to mkdtemp (2) -1 syz 60 58m 3d09h 0/2 premoderation: reported syz repro on 2026/07/23 02:58
linux-5.15 SYZFAIL: failed to mkdtemp (2) -1 87 10h11m 180d 0/3 upstream: reported on 2026/01/26 17:02
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1425d 1980d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1273d 1980d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 639d 761d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1597d 1980d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 639d 761d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1557d 1725d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2692 3d03h 1161d 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 1183 3h33m 984d 0/2 premoderation: reported syz repro on 2023/11/14 15:04

Sample crash report:
Aug 13 14:31:22 syzkaller kern.alert kernel: [  128.776365][ T4819] EXT4-fs (loop1): shut down requested (2)
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=5 req=108 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (117):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/26 11:17 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/25 15:32 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/25 13:41 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/25 09:50 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/25 03:09 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/25 00:53 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/24 16:31 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/24 14:06 linux-6.1.y 090666d3cc90 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/24 01:30 linux-6.1.y 090666d3cc90 544adce9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/23 18:27 linux-6.1.y 090666d3cc90 71a13572 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/23 00:30 linux-6.1.y 090666d3cc90 881ce5c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/22 12:29 linux-6.1.y 090666d3cc90 4a865b71 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/21 23:59 linux-6.1.y 090666d3cc90 b561ce9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/21 11:26 linux-6.1.y 090666d3cc90 7c5de9c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/20 12:12 linux-6.1.y 090666d3cc90 de6a700d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/18 05:04 linux-6.1.y 090666d3cc90 72524a66 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/17 04:29 linux-6.1.y 090666d3cc90 7f27c57a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/16 13:46 linux-6.1.y 090666d3cc90 71b49442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/16 13:46 linux-6.1.y 090666d3cc90 71b49442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/16 13:46 linux-6.1.y 090666d3cc90 71b49442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/16 13:46 linux-6.1.y 090666d3cc90 71b49442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/16 06:19 linux-6.1.y 090666d3cc90 27a8bd60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/16 00:11 linux-6.1.y 090666d3cc90 27a8bd60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/15 09:28 linux-6.1.y 090666d3cc90 a4ed0f4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/15 09:27 linux-6.1.y 090666d3cc90 a4ed0f4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/15 09:27 linux-6.1.y 090666d3cc90 a4ed0f4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/15 09:27 linux-6.1.y 090666d3cc90 a4ed0f4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/13 13:36 linux-6.1.y 090666d3cc90 cc4833d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/12 00:47 linux-6.1.y 090666d3cc90 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/11 03:44 linux-6.1.y 090666d3cc90 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/11 03:44 linux-6.1.y 090666d3cc90 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/11 03:44 linux-6.1.y 090666d3cc90 d78ea535 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/10 15:21 linux-6.1.y 090666d3cc90 99e64375 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/10 15:21 linux-6.1.y 090666d3cc90 99e64375 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/10 15:21 linux-6.1.y 090666d3cc90 99e64375 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/10 01:39 linux-6.1.y 090666d3cc90 4167ee25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/10 01:39 linux-6.1.y 090666d3cc90 4167ee25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/10 01:39 linux-6.1.y 090666d3cc90 4167ee25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/09 13:40 linux-6.1.y 090666d3cc90 a0c310a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/01/24 18:53 linux-6.1.y cd9b81672742 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/07/25 23:10 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/25 20:37 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/25 17:10 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/25 07:09 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/25 05:20 linux-6.1.y dc5c83b7f5f8 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/24 23:36 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/24 23:01 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/07/24 21:57 linux-6.1.y dc5c83b7f5f8 dd737a83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
* Struck through repros no longer work on HEAD.