23-Oct-2026 15:49:21: building syzkaller on 20bf80e1d6eb340a35a841a099b8dca81e42ff5e...
23-Oct-2026 15:56:11: fetching kernel...
23-Oct-2026 15:56:15: checked out kernel commit b116ac6087541d3d98031e786adbe9c733cd6df3 ("selftests/bpf: Time tc_edt from its first packet with data", 2026-10-21 17:50:51 +0000 UTC)
23-Oct-2026 15:56:15: cleaning kernel...
23-Oct-2026 15:56:16: building kernel...
23-Oct-2026 16:10:03: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8
23-Oct-2026 16:10:03: testing patch...
23-Oct-2026 16:14:59: aggregating test results failed: SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed

mount(/syzcgroup/net, net) failed: 22
mount(/syzcgroup/cpu, cpuset) failed: 22
mount(/syzcgroup/cpu, rlimit) failed: 22
mount(binfmt_misc) failed: 16
write(/proc/sys/fs/binfmt_misc/register) failed: 22
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
 (errno 22: Invalid argument)


Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts.
2026/10/23 16:14:26 ignoring optional flag "type"="gce"
2026/10/23 16:14:26 parsed 1 programs
[  124.900683][ T5650] cgroup: Unknown subsys name 'net'
[  125.038239][ T5650] cgroup: Unknown subsys name 'cpuset'
[  125.043562][ T5650] cgroup: Unknown subsys name 'rlimit'
2026/10/23 16:14:26 [FATAL] failed to run ["ci-upstream-bpf-next-kasan-gce-test-job-parallel/syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mount(/syzcgroup/net, net) failed: 22
mount(/syzcgroup/cpu, cpuset) failed: 22
mount(/syzcgroup/cpu, rlimit) failed: 22
mount(binfmt_misc) failed: 16
write(/proc/sys/fs/binfmt_misc/register) failed: 22
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
 (errno 22: Invalid argument)