21-Oct-2026 11:54:40: building syzkaller on a6c9c7312290da5bca2fc1be4872a7aeefb6e3ea... 21-Oct-2026 11:55:07: fetching kernel... 21-Oct-2026 11:55:13: checked out kernel commit abeacca61eea4f6803df4a595b656ea45c2d3249 ("Merge branch 'net-mlx5-hws-fix-modify-header-pattern-compare'", 2026-10-21 13:25:39 +0200 +0200) 21-Oct-2026 11:55:13: cleaning kernel... 21-Oct-2026 11:55:14: building kernel... 21-Oct-2026 12:09:30: kernel built successfully with compiler Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 21-Oct-2026 12:09:30: testing patch... 21-Oct-2026 12:14:11: aggregating test results failed: SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts. 2026/10/21 12:13:25 parsed 1 programs [ 97.372896][ T1228] cfg80211: failed to load regulatory.db [ 98.819568][ T5634] cgroup: Unknown subsys name 'net' [ 98.922747][ T5634] cgroup: Unknown subsys name 'cpuset' [ 98.926411][ T5634] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 100.664898][ T5634] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 104.472520][ T5647] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 104.777872][ T5662] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.782098][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.784155][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.811422][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.813972][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.611659][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.611683][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.815719][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.815742][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.598536][ T5680] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.598667][ T5680] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.598847][ T5680] bridge_slave_0: entered allmulticast mode [ 108.629653][ T5680] bridge_slave_0: entered promiscuous mode [ 108.672254][ T5680] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.672337][ T5680] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.672486][ T5680] bridge_slave_1: entered allmulticast mode [ 108.675776][ T5680] bridge_slave_1: entered promiscuous mode [ 108.780099][ T5680] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.787462][ T5680] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.840688][ T5680] team0: Port device team_slave_0 added [ 108.843566][ T5680] team0: Port device team_slave_1 added [ 108.882747][ T5680] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.882762][ T5680] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 108.882788][ T5680] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.885100][ T5680] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.885119][ T5680] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 108.885144][ T5680] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.003277][ T5680] hsr_slave_0: entered promiscuous mode [ 109.004223][ T5680] hsr_slave_1: entered promiscuous mode [ 109.181408][ T5680] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 109.195802][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 109.197280][ T5680] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 109.220894][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 109.221967][ T5680] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 109.225467][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 109.228178][ T5680] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 109.262273][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 109.364074][ T5680] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.391285][ T5680] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.398818][ T1481] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.399599][ T1481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.428050][ T1481] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.428127][ T1481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.962085][ T5680] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.022235][ T5680] veth0_vlan: entered promiscuous mode [ 110.036242][ T5680] veth1_vlan: entered promiscuous mode [ 110.073226][ T5680] veth0_macvtap: entered promiscuous mode [ 110.085126][ T5680] veth1_macvtap: entered promiscuous mode [ 110.109935][ T5680] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 110.128010][ T5680] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 110.170035][ T148] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.209314][ T1481] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.209371][ T1481] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.209434][ T1481] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 2026/10/21 12:13:40 executed programs: 0 [ 110.395413][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 110.405195][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 110.415014][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 110.424866][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 110.425489][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 111.121499][ T5754] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.121723][ T5754] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.121837][ T5754] bridge_slave_0: entered allmulticast mode [ 111.123170][ T5754] bridge_slave_0: entered promiscuous mode [ 111.132190][ T5754] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.132453][ T5754] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.132879][ T5754] bridge_slave_1: entered allmulticast mode [ 111.138200][ T5754] bridge_slave_1: entered promiscuous mode [ 111.205881][ T5754] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 111.220421][ T5754] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 111.254951][ T5754] team0: Port device team_slave_0 added [ 111.261872][ T5754] team0: Port device team_slave_1 added [ 111.309178][ T5754] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 111.309217][ T5754] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 111.309244][ T5754] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 111.314202][ T5754] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 111.314222][ T5754] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 111.314255][ T5754] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 111.441002][ T5754] hsr_slave_0: entered promiscuous mode [ 111.441902][ T5754] hsr_slave_1: entered promiscuous mode [ 111.442593][ T5754] debugfs: 'hsr0' already exists in 'hsr' [ 111.442706][ T5754] Cannot create hsr debugfs directory [ 111.646188][ T5754] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 111.657195][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 111.658259][ T5754] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 111.661458][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 111.662601][ T5754] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 111.671712][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 111.674758][ T5754] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 111.691251][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 111.808676][ T5754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.837240][ T5754] 8021q: adding VLAN 0 to HW filter on device team0 [ 111.844815][ T50] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.844895][ T50] bridge0: port 1(bridge_slave_0) entered forwarding state [ 111.873520][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.873605][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.271073][ T5754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 112.329800][ T5754] veth0_vlan: entered promiscuous mode [ 112.343286][ T5754] veth1_vlan: entered promiscuous mode [ 112.380275][ T5754] veth0_macvtap: entered promiscuous mode [ 112.384620][ T5754] veth1_macvtap: entered promiscuous mode [ 112.416122][ T5754] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 112.432070][ T5754] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 112.488487][ T52] Bluetooth: hci0: command tx timeout [ 112.520349][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.520374][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.543254][ T148] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.559854][ T148] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.560158][ T148] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.560420][ T148] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.609195][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 112.609218][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 113.136267][ T1481] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.229503][ T1481] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.312442][ T1481] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.366500][ T1481] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.647879][ T1481] bridge_slave_1: left allmulticast mode [ 113.647927][ T1481] bridge_slave_1: left promiscuous mode [ 113.649148][ T1481] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.680239][ T1481] bridge_slave_0: left allmulticast mode [ 113.680269][ T1481] bridge_slave_0: left promiscuous mode [ 113.680494][ T1481] bridge0: port 1(bridge_slave_0) entered disabled state