syzkaller syzkaller login: [ 9.092541][ T111] udevd (111) used greatest stack depth: 21280 bytes left [ 14.410812][ T28] kauditd_printk_skb: 26 callbacks suppressed [ 14.410828][ T28] audit: type=1400 audit(1766072722.106:59): avc: denied { transition } for pid=224 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 [ 14.415242][ T28] audit: type=1400 audit(1766072722.106:60): avc: denied { noatsecure } for pid=224 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.418146][ T28] audit: type=1400 audit(1766072722.106:61): avc: denied { write } for pid=224 comm="sh" path="pipe:[14429]" dev="pipefs" ino=14429 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.421786][ T28] audit: type=1400 audit(1766072722.106:62): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.424591][ T28] audit: type=1400 audit(1766072722.106:63): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. 2025/12/18 15:45:31 parsed 1 programs [ 24.145292][ T28] audit: type=1400 audit(1766072731.836:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.166277][ T28] audit: type=1400 audit(1766072731.836:65): avc: denied { module_request } for pid=282 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 [ 25.255980][ T28] audit: type=1400 audit(1766072732.946:66): avc: denied { mounton } for pid=290 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 [ 25.257249][ T290] cgroup: Unknown subsys name 'net' [ 25.278642][ T28] audit: type=1400 audit(1766072732.946:67): avc: denied { mount } for pid=290 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 [ 25.305925][ T28] audit: type=1400 audit(1766072732.986:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.306177][ T290] cgroup: Unknown subsys name 'devices' [ 25.421612][ T290] cgroup: Unknown subsys name 'hugetlb' [ 25.427313][ T290] cgroup: Unknown subsys name 'rlimit' [ 25.569252][ T28] audit: type=1400 audit(1766072733.256:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 25.592524][ T28] audit: type=1400 audit(1766072733.266:70): avc: denied { create } for pid=290 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 [ 25.607168][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.613148][ T28] audit: type=1400 audit(1766072733.266:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.641704][ T28] audit: type=1400 audit(1766072733.266:72): avc: denied { read } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.661894][ T28] audit: type=1400 audit(1766072733.266:73): avc: denied { mounton } for pid=290 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 [ 25.697136][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.398286][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.405422][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.413151][ T295] device bridge_slave_0 entered promiscuous mode [ 26.420371][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.427412][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.435199][ T295] device bridge_slave_1 entered promiscuous mode [ 26.493394][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.500466][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.507716][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.514775][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.535222][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.542465][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.550207][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.557686][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.567067][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.575243][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.582281][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.592199][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.600425][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.607447][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.620484][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.629779][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.644282][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.655916][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.664060][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.671760][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.680597][ T295] device veth0_vlan entered promiscuous mode [ 26.691206][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.700504][ T295] device veth1_macvtap entered promiscuous mode [ 26.710049][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.720739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.738738][ T295] request_module fs-gadgetfs succeeded, but still no fs? [ 27.260557][ T43] device bridge_slave_1 left promiscuous mode [ 27.266810][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.275255][ T43] device bridge_slave_0 left promiscuous mode [ 27.281490][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.290367][ T43] device veth1_macvtap left promiscuous mode [ 27.296435][ T43] device veth0_vlan left promiscuous mode 2025/12/18 15:45:35 executed programs: 0 [ 27.725213][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.732284][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.740903][ T361] device bridge_slave_0 entered promiscuous mode [ 27.747870][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.754985][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.762400][ T361] device bridge_slave_1 entered promiscuous mode [ 27.813875][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.820936][ T361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.828176][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.835218][ T361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.854810][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.862385][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.870024][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.878867][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.887151][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.894210][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.903335][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.911531][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.918554][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.930931][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.940548][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.954964][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.966279][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.974505][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.982118][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.990308][ T361] device veth0_vlan entered promiscuous mode [ 28.001109][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.010323][ T361] device veth1_macvtap entered promiscuous mode [ 28.019984][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.029991][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.060015][ T373] loop2: detected capacity change from 0 to 2048 [ 28.071528][ T373] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 28.081557][ T373] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1097: group 0, block bitmap and bg descriptor inconsistent: 0 vs 150994969 free clusters [ 28.096409][ T373] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 3 with error 28 [ 28.108869][ T373] EXT4-fs (loop2): This should not happen!! Data will be lost [ 28.108869][ T373] SYZFAIL: proc stdout read failed (errno 5: Input/output error) connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 28.118728][ T373] EXT4-fs (loop2): Total free blocks count 0 [ 28.124823][ T373] EXT4-fs (loop2): Free/Dirty block details [ 28.134951][ T373] EXT4-fs (loop2): free_blocks=2415919504 [ 28.140910][ T373] EXT4-fs (loop2): dirty_blocks=16 [ 28.146039][ T373] EXT4-fs (loop2): Block reservation details [ 28.152037][ T373] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 28.162863][ T361] EXT4-fs (loop2): unmounting filesystem. [ 29.280060][ T43] device bridge_slave_1 left promiscuous mode [ 29.286176][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.293779][ T43] device bridge_slave_0 left promiscuous mode [ 29.299961][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.307784][ T43] device veth1_macvtap left promiscuous mode [ 29.313862][ T43] device veth0_vlan left promiscuous mode