09-Oct-2026 04:40:01: building syzkaller on 4cf3f9b3f15d248d052cd369d23308c953d657d9... 09-Oct-2026 04:40:18: fetching kernel... 09-Oct-2026 04:40:20: checked out kernel commit 6c377d19d4a5116d9bec5203aa3c6c11523e7898 ("Merge tag 'ext4_for_linus-7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4", 2026-10-08 17:37:49 +0200 +0200) 09-Oct-2026 04:40:20: cleaning kernel... 09-Oct-2026 04:40:21: building kernel... 09-Oct-2026 04:52:14: kernel built successfully with compiler gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 09-Oct-2026 04:52:14: testing patch... 09-Oct-2026 04:53:10: 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) [ 37.806463][ T44] audit: type=1400 audit(1791521575.355:115): avc: denied { siginh } for pid=5639 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 38.262570][ T44] audit: type=1400 audit(1791521575.805:116): avc: denied { write } for pid=5644 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.323760][ T44] audit: type=1400 audit(1791521575.865:117): avc: denied { write } for pid=5647 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.419894][ T44] audit: type=1400 audit(1791521575.965:118): avc: denied { write } for pid=5650 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.476625][ T44] audit: type=1400 audit(1791521576.025:119): avc: denied { write } for pid=5653 comm="rm" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.566080][ T44] audit: type=1400 audit(1791521576.115:120): avc: denied { write } for pid=5656 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1839 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Warning: Permanently added '[localhost]:3161' (ED25519) to the list of known hosts. 2026/10/09 04:53:00 ignoring optional flag "type"="qemu" 2026/10/09 04:53:00 parsed 1 programs [ 42.814752][ T44] kauditd_printk_skb: 19 callbacks suppressed [ 42.814770][ T44] audit: type=1400 audit(1791521580.365:140): avc: denied { getattr } for pid=5730 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 42.814976][ T44] audit: type=1400 audit(1791521580.365:141): avc: denied { read } for pid=5730 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 42.815189][ T44] audit: type=1400 audit(1791521580.365:142): avc: denied { open } for pid=5730 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 42.825435][ T44] audit: type=1400 audit(1791521580.375:143): avc: denied { read } for pid=5730 comm="syz-execprog" name="raw-gadget" dev="devtmpfs" ino=848 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 42.825662][ T44] audit: type=1400 audit(1791521580.375:144): avc: denied { open } for pid=5730 comm="syz-execprog" path="/dev/raw-gadget" dev="devtmpfs" ino=848 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 42.826921][ T44] audit: type=1400 audit(1791521580.375:145): avc: denied { read } for pid=5730 comm="syz-execprog" name="vhci" dev="devtmpfs" ino=1290 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 42.826952][ T44] audit: type=1400 audit(1791521580.375:146): avc: denied { open } for pid=5730 comm="syz-execprog" path="/dev/vhci" dev="devtmpfs" ino=1290 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 42.851301][ T44] audit: type=1400 audit(1791521580.395:147): avc: denied { mounton } for pid=5737 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 42.857196][ T44] audit: type=1400 audit(1791521580.405:148): avc: denied { mount } for pid=5737 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 42.860249][ T5737] cgroup: Unknown subsys name 'net' [ 42.862278][ T44] audit: type=1400 audit(1791521580.405:149): avc: denied { unmount } for pid=5737 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 43.029145][ T5737] cgroup: Unknown subsys name 'cpuset' [ 43.033956][ T5737] cgroup: Unknown subsys name 'rlimit' 2026/10/09 04:53:00 [FATAL] failed to run ["/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)