SYZFAIL: open(/proc/self/ns/net) failed

Status: upstream: reported on 2026/09/02 23:13
Reported-by: syzbot+36b7405af75229890a2d@syzkaller.appspotmail.com
First crash: 1d05h, last: 4h02m
▶ ▼ Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-12 SYZFAIL: open(/proc/self/ns/net) failed -1 41 5h49m 6d08h 0/1 premoderation: reported on 2026/08/28 20:16
android-5-15 SYZFAIL: open(/proc/self/ns/net) failed (2) -1 syz 87 8h49m 7d04h 0/2 premoderation: reported syz repro on 2026/08/27 23:48
android-5-10 SYZFAIL: open(/proc/self/ns/net) failed -1 1 534d 534d 0/2 auto-obsoleted due to no activity on 2025/06/16 19:34
linux-6.1 SYZFAIL: open(/proc/self/ns/net) failed -1 4 3h34m 17h23m 0/3 upstream: reported on 2026/09/03 11:04
android-5-15 SYZFAIL: open(/proc/self/ns/net) failed -1 1 675d 675d 0/2 auto-obsoleted due to no activity on 2025/01/27 03:26
android-5-10 SYZFAIL: open(/proc/self/ns/net) failed (2) -1 22 11h58m 7d03h 0/2 premoderation: reported on 2026/08/28 01:15
upstream SYZFAIL: open(/proc/self/ns/net) failed prio:low -1 1 102d 102d 0/29 auto-obsoleted due to no activity on 2026/08/22 09:44

Sample crash report:
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open(/proc/self/ns/net) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=0 req=4333 state=3 status=67 (errno 9: Bad file descriptor)

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/04 00:25 linux-6.6.y 8b73de7da85f 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
2026/09/04 00:24 linux-6.6.y 8b73de7da85f 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
2026/09/03 11:41 linux-6.6.y 8b73de7da85f 6a988719 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
2026/09/03 11:41 linux-6.6.y 8b73de7da85f 6a988719 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
2026/09/02 23:14 linux-6.6.y 8b73de7da85f 85995287 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
2026/09/02 23:13 linux-6.6.y 8b73de7da85f 85995287 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
2026/09/02 23:13 linux-6.6.y 8b73de7da85f 85995287 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open(/proc/self/ns/net) failed
* Struck through repros no longer work on HEAD.