SYZFAIL: failed to mkdtemp (2)

Status: upstream: reported on 2026/01/24 18:54
Reported-by: syzbot+9f6e1793ecf63b07c80c@syzkaller.appspotmail.com
First crash: 223d, last: 5h12m
▶ ▼ 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 8d06h 223d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 495d 2021d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 681d 990d 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 1340 1d03h 44d 0/2 premoderation: reported syz repro on 2026/07/23 02:58
linux-5.15 SYZFAIL: failed to mkdtemp (2) -1 syz 320 12h23m 221d 0/3 upstream: reported syz repro on 2026/01/26 17:02
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1467d 2021d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1314d 2021d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 680d 802d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
android-6-12 SYZFAIL: failed to mkdtemp -1 51 1d16h 29d 0/1 premoderation: reported on 2026/08/07 10:45
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1638d 2021d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 680d 802d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1598d 1766d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2731 1d17h 1202d 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 12d 1026d 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=5 req=696 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (805):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/05 01:10 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/09/05 01:09 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/09/04 17:45 linux-6.1.y cf82dcca9634 f65209a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
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
2026/01/24 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
2026/09/05 10:40 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/09/05 05:17 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/09/04 16:31 linux-6.1.y cf82dcca9634 f65209a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/09/04 13:30 linux-6.1.y cf82dcca9634 f65209a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/09/04 00:30 linux-6.1.y cf82dcca9634 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 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
* Struck through repros no longer work on HEAD.