SYZFAIL: failed to mkdtemp

Status: premoderation: reported on 2026/08/07 10:45
Reported-by: syzbot+32d1c5fac0060dc482ae@syzkaller.appspotmail.com
First crash: 3d18h, last: 6h08m
▶ ▼ 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 1d10h 198d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 469d 1996d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 655d 965d 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 685 now 19d 0/2 premoderation: reported syz repro on 2026/07/23 02:58
linux-5.15 SYZFAIL: failed to mkdtemp (2) -1 209 8h33m 196d 0/3 upstream: reported on 2026/01/26 17:02
linux-6.1 SYZFAIL: failed to mkdtemp (2) -1 517 1h02m 198d 0/3 upstream: reported on 2026/01/24 18:54
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1441d 1995d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1288d 1996d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 655d 777d 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 1613d 1996d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 655d 777d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1573d 1740d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2704 38m 1176d 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 2095 28m 1000d 0/2 premoderation: reported syz repro on 2023/11/14 15:04

Sample crash report:
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: failed to mkdtemp
 (errno 74: Bad message)
SYZFAIL: repeatedly failed to execute the program
proc=0 req=1157 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/10 22:38 android16-6.12 64d481b3eec9 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/10 21:52 android16-6.12 64d481b3eec9 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/10 21:47 android16-6.12 64d481b3eec9 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/10 20:01 android16-6.12 64d481b3eec9 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/10 16:42 android16-6.12 309759bcbe6d 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/10 11:10 android16-6.12 309759bcbe6d 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/09 04:32 android16-6.12 309759bcbe6d 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/09 01:22 android16-6.12 309759bcbe6d 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/08 17:34 android16-6.12 309759bcbe6d 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
2026/08/07 10:44 android16-6.12 282da3f968e5 e4ef95d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: failed to mkdtemp
* Struck through repros no longer work on HEAD.