SYZFAIL: failed to mkdtemp (2)

Status: upstream: reported on 2026/01/24 18:54
Reported-by: syzbot+9f6e1793ecf63b07c80c@syzkaller.appspotmail.com
First crash: 202d, last: 9h15m
▶ ▼ Similar bugs (14)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 SYZFAIL: failed to mkdtemp -1 97 5d23h 202d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 474d 2000d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 660d 969d 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 921 now 23d 0/2 premoderation: reported syz repro on 2026/07/23 02:58
linux-5.15 SYZFAIL: failed to mkdtemp (2) -1 244 6h04m 201d 0/3 upstream: reported on 2026/01/26 17:02
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1446d 2000d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1293d 2000d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 659d 781d 0/3 auto-obsoleted due to no activity on 2025/01/02 19:35
android-6-12 SYZFAIL: failed to mkdtemp -1 11 4d12h 8d06h 0/1 premoderation: reported on 2026/08/07 10:45
linux-4.19 SYZFAIL: failed to mkdtemp -1 syz error 99 1617d 2000d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 660d 781d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1577d 1745d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2714 16h19m 1181d 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 2219 29m 1005d 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=8 req=1488 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (592):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/15 07:56 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/15 06:44 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/15 03:50 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/15 01:43 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/15 01:43 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/14 21:31 linux-6.1.y e4f7d8be268e 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/14 21:08 linux-6.1.y e4f7d8be268e 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/14 13:07 linux-6.1.y e4f7d8be268e 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/14 03:02 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/13 19:24 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/12 19:50 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/12 19:50 linux-6.1.y e4f7d8be268e 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/12 13:29 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/12 08:21 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/12 03:08 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/12 00:56 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/11 20:35 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/11 14:54 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/11 14:52 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/11 12:42 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/11 03:44 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/10 20:47 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/10 08:22 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/09 22:14 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/09 17:19 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/09 06:00 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/08 11:38 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/08 06:15 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/07 19:47 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/07 13:26 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/07 12:15 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: failed to mkdtemp
2026/08/07 12:13 linux-6.1.y e4f7d8be268e e4ef95d6 .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
2026/08/13 21:40 linux-6.1.y e4f7d8be268e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/12 05:31 linux-6.1.y e4f7d8be268e f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/11 17:17 linux-6.1.y e4f7d8be268e 71790083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/10 23:07 linux-6.1.y e4f7d8be268e 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/10 18:02 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/10 11:46 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/10 02:09 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/10 00:12 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/09 18:47 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/09 13:45 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/08 23:45 linux-6.1.y e4f7d8be268e 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/08 01:07 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/07 15:31 linux-6.1.y e4f7d8be268e e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: failed to mkdtemp
2026/08/07 05:12 linux-6.1.y 03f3a99e8e93 c38879ea .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.