syzkaller syzkaller login: [ 9.141293][ T105] udevd (105) used greatest stack depth: 22912 bytes left [ 12.812514][ T30] kauditd_printk_skb: 29 callbacks suppressed [ 12.812527][ T30] audit: type=1400 audit(1771656450.385:59): avc: denied { transition } for pid=222 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.822932][ T30] audit: type=1400 audit(1771656450.385:60): avc: denied { noatsecure } for pid=222 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.829963][ T30] audit: type=1400 audit(1771656450.385:61): avc: denied { write } for pid=222 comm="sh" path="pipe:[14013]" dev="pipefs" ino=14013 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.838046][ T30] audit: type=1400 audit(1771656450.385:62): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.844940][ T30] audit: type=1400 audit(1771656450.385:63): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.126029][ T240] sshd-session (240) used greatest stack depth: 22752 bytes left Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts. 2026/02/21 06:47:44 parsed 1 programs [ 26.768258][ T30] audit: type=1400 audit(1771656464.335:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 26.789875][ T30] audit: type=1400 audit(1771656464.335:65): avc: denied { module_request } for pid=281 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 27.688137][ T30] audit: type=1400 audit(1771656465.255:66): avc: denied { mounton } for pid=287 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 27.691448][ T287] cgroup: Unknown subsys name 'net' [ 27.710892][ T30] audit: type=1400 audit(1771656465.255:67): avc: denied { mount } for pid=287 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 [ 27.738139][ T30] audit: type=1400 audit(1771656465.285:68): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 27.738553][ T287] cgroup: Unknown subsys name 'devices' [ 27.908774][ T287] cgroup: Unknown subsys name 'hugetlb' [ 27.914383][ T287] cgroup: Unknown subsys name 'rlimit' [ 28.210886][ T30] audit: type=1400 audit(1771656465.775:69): avc: denied { setattr } for pid=287 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 28.234109][ T30] audit: type=1400 audit(1771656465.775:70): avc: denied { create } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 28.254583][ T30] audit: type=1400 audit(1771656465.775:71): avc: denied { write } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 28.272653][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 28.275415][ T30] audit: type=1400 audit(1771656465.775:72): avc: denied { read } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 28.303661][ T30] audit: type=1400 audit(1771656465.775:73): avc: denied { mounton } for pid=287 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 28.342184][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.787345][ T294] request_module fs-gadgetfs succeeded, but still no fs? [ 28.914886][ T304] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.921986][ T304] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.929476][ T304] device bridge_slave_0 entered promiscuous mode [ 28.936277][ T304] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.943384][ T304] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.950796][ T304] device bridge_slave_1 entered promiscuous mode [ 28.994193][ T304] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.001260][ T304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.008584][ T304] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.015713][ T304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.033819][ T302] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.041053][ T302] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.048471][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.055914][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.065903][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.074104][ T302] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.081177][ T302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.090788][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.099047][ T302] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.106067][ T302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.118542][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.127969][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.142732][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.153657][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.161979][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.169708][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.178798][ T304] device veth0_vlan entered promiscuous mode [ 29.188344][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.197405][ T304] device veth1_macvtap entered promiscuous mode [ 29.206113][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.215802][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.250393][ T304] syz-executor (304) used greatest stack depth: 20928 bytes left [ 29.987598][ T45] device bridge_slave_1 left promiscuous mode [ 29.996943][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.014690][ T45] device bridge_slave_0 left promiscuous mode [ 30.022937][ T45] bridge0: port 1(bridge_slave_0) entered disabled state 2026/02/21 06:47:47 executed programs: 0 [ 30.032231][ T45] device veth1_macvtap left promiscuous mode [ 30.038293][ T45] device veth0_vlan left promiscuous mode [ 30.189423][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.196469][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.203911][ T362] device bridge_slave_0 entered promiscuous mode [ 30.210681][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.218636][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.226313][ T362] device bridge_slave_1 entered promiscuous mode [ 30.270965][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.278019][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.285257][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.292319][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.310785][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.318338][ T302] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.325469][ T302] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.334642][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.343211][ T302] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.350271][ T302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.367838][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.375937][ T302] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.382988][ T302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.390543][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 30.398682][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 30.408212][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 30.420253][ T362] device veth0_vlan entered promiscuous mode [ 30.427120][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 30.435223][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 30.443192][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 30.454969][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.464711][ T362] device veth1_macvtap entered promiscuous mode [ 30.474527][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.492943][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/21 06:47:52 executed programs: 273 2026/02/21 06:47:57 executed programs: 573 [ 42.517817][ T10] device bridge_slave_1 left promiscuous mode [ 42.524027][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.531593][ T10] device bridge_slave_0 left promiscuous mode [ 42.537931][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.545703][ T10] device veth1_macvtap left promiscuous mode [ 42.551732][ T10] device veth0_vlan left promiscuous mode SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: repeatedly failed to execute the program proc=2 req=617 state=3 status=67 (errno 9: Bad file descriptor) connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF