syzbot


SYZFAIL: failed to mkdtemp (2)

Status: upstream: reported on 2026/01/26 17:02
Reported-by: syzbot+4024433a0508c0f9973f@syzkaller.appspotmail.com
First crash: 108d, last: 10d
Similar bugs (12)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 SYZFAIL: failed to mkdtemp -1 16 10d 110d 0/2 upstream: reported on 2026/01/24 21:54
android-54 SYZFAIL: failed to mkdtemp -1 syz 385 382d 1908d 0/2 upstream: reported syz repro on 2021/02/21 23:53
android-5-15 SYZFAIL: failed to mkdtemp origin:lts -1 syz 813 567d 877d 0/2 auto-obsoleted due to no activity on 2024/12/13 10:36
linux-6.1 SYZFAIL: failed to mkdtemp (2) -1 6 10d 110d 0/3 upstream: reported on 2026/01/24 18:54
linux-4.14 SYZFAIL: failed to mkdtemp -1 syz error 22 1353d 1908d 0/1 upstream: reported syz repro on 2021/02/22 05:35
upstream SYZFAIL: failed to mkdtemp -1 syz error inconclusive 730 1200d 1908d 0/29 auto-obsoleted due to no activity on 2023/05/10 07:53
linux-6.1 SYZFAIL: failed to mkdtemp -1 511 567d 689d 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 1525d 1908d 0/1 upstream: reported syz repro on 2021/02/21 23:52
linux-5.15 SYZFAIL: failed to mkdtemp -1 456 567d 689d 0/3 auto-obsoleted due to no activity on 2025/01/02 16:14
android-5-10 SYZFAIL: failed to mkdtemp -1 15 1485d 1652d 0/2 auto-closed as invalid on 2022/07/20 02:36
android-5-10 SYZFAIL: failed to mkdtemp (2) -1 syz done error 2686 23d 1088d 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 1158 125d 912d 0/2 premoderation: reported syz repro on 2023/11/14 15:04

Sample crash report:
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: failed to mkdtemp
 (errno 117: Structure needs cleaning)
SYZFAIL: repeatedly failed to execute the program
proc=7 req=346 state=1 status=67 (errno 9: Bad file descriptor)
can't run '/sbi[  159.807950][ T4176] EXT4-fs warning (device sda1): ext4_evict_inode:287: couldn't mark inode dirty (err -117)
can't run '/sbin/getty': Structure needs cleani[  160.719788][ T1236] device bridge_slave_1 left promiscuous mode
can't run '/sbi[  162.832644][ T1236] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
can't run '/sbican't run '/sbi[  164.921483][ T1236] device hsr_slave_0 left promiscuous mode
can't run '/sbi[  165.894188][ T1236] team0 (unregistering): Port device team_slave_1 removed
can't run '/sbi[  166.881083][    T1] EXT4-fs error (device sda1): ext4_map_blocks:631: inode #2: block 4241: comm init: lblock 0 mapped to illegal pblock 4241 (length 1)

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/05 00:05 linux-5.15.y ef251c45f1cd a898ba9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/05/05 00:04 linux-5.15.y ef251c45f1cd a898ba9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/05/04 15:05 linux-5.15.y ef251c45f1cd 85f1bcf2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/05/04 15:04 linux-5.15.y ef251c45f1cd 85f1bcf2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/05/04 15:02 linux-5.15.y ef251c45f1cd 85f1bcf2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/23 15:31 linux-5.15.y 3330a8d33e08 6beca497 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/22 21:57 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/22 19:07 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/22 17:33 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/22 17:23 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/22 17:16 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/02/22 12:38 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
2026/01/26 17:01 linux-5.15.y 9eec9a14ee10 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to mkdtemp
* Struck through repros no longer work on HEAD.