SYZFAIL: failed to mkdtemp (2)

Status: upstream: reported on 2026/01/24 18:54
Reported-by: syzbot+9f6e1793ecf63b07c80c@syzkaller.appspotmail.com
First crash: 216d, last: 2d10h
▶ ▼ Similar bugs (14)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 SYZFAIL: failed to mkdtemp -1 104 1d07h 216d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 488d 2014d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 674d 983d 0/2 auto-obsoleted due to no activity on 2024/12/13 10:36
android-5-15 SYZFAIL: failed to mkdtemp (2) origin:upstream -1 syz 1334 1d17h 37d 0/2 premoderation: reported syz repro on 2026/07/23 02:58
linux-5.15 SYZFAIL: failed to mkdtemp (2) -1 syz 307 2d10h 214d 0/3 upstream: reported syz repro on 2026/01/26 17:02
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1460d 2014d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1307d 2014d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 673d 795d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
android-6-12 SYZFAIL: failed to mkdtemp -1 36 6h27m 22d 0/1 premoderation: reported on 2026/08/07 10:45
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1631d 2014d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 674d 795d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1591d 1759d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2726 3d07h 1195d 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 2500 5d06h 1019d 0/2 premoderation: reported syz repro on 2023/11/14 15:04

Sample crash report:
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: failed to mkdtemp
 (errno 5: Input/output error)
SYZFAIL: repeatedly failed to execute the program
proc=6 req=1138 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (788):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/26 23:02 linux-6.1.y 05208478041c a2b77b9e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/26 08:44 linux-6.1.y 05208478041c 6a91adb4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/25 17:42 linux-6.1.y 05208478041c a9a1fc32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/25 07:12 linux-6.1.y 05208478041c 614e416a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/25 04:17 linux-6.1.y 05208478041c 614e416a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/25 01:13 linux-6.1.y 05208478041c 614e416a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/24 12:29 linux-6.1.y 05208478041c b55bd4c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/23 19:58 linux-6.1.y 05208478041c 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/23 01:13 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/21 20:02 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/21 14:40 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/20 23:21 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/20 03:12 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/19 22:41 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/19 10:03 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/18 09:11 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/18 01:12 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/18 01:12 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/17 22:03 linux-6.1.y e4f7d8be268e 905244d6 .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
2026/08/27 06:25 linux-6.1.y 05208478041c a2b77b9e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/27 04:16 linux-6.1.y 05208478041c a2b77b9e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/26 19:30 linux-6.1.y 05208478041c a2b77b9e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/26 16:32 linux-6.1.y 05208478041c a2b77b9e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/26 05:13 linux-6.1.y 05208478041c 6a91adb4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/26 03:41 linux-6.1.y 05208478041c 6a91adb4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/25 16:39 linux-6.1.y 05208478041c a9a1fc32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/25 05:28 linux-6.1.y 05208478041c 614e416a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/24 16:19 linux-6.1.y 05208478041c b55bd4c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/24 14:26 linux-6.1.y 05208478041c b55bd4c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/23 18:55 linux-6.1.y 05208478041c 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/23 05:16 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/22 06:34 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/21 21:48 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/21 13:21 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/21 07:21 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/20 09:58 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/20 07:41 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/19 19:42 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/19 12:21 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/19 07:43 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/19 04:23 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/18 22:15 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/18 11:38 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/18 04:39 linux-6.1.y e4f7d8be268e 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/18 03:19 linux-6.1.y e4f7d8be268e 1e72964b .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.