30-Aug-2026 13:37:23: building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4... 30-Aug-2026 13:38:00: fetching kernel... 30-Aug-2026 13:38:03: checked out kernel commit e30626823a406725ce29bc75cb8ec467d3e1e326 ("Add linux-next specific files for 20260828", 2026-08-28 14:54:59 +0100 +0100) 30-Aug-2026 13:38:03: cleaning kernel... 30-Aug-2026 13:38:05: building kernel... 30-Aug-2026 13:52:12: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 30-Aug-2026 13:52:12: testing patch... 30-Aug-2026 13:56:53: 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 '10.128.10.14' (ED25519) to the list of known hosts. 2026/08/30 13:55:57 parsed 1 programs [ 120.150067][ T5638] cgroup: Unknown subsys name 'net' [ 120.271880][ T5638] cgroup: Unknown subsys name 'cpuset' [ 120.285391][ T5638] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 122.504712][ T5638] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 126.850491][ T5653] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 126.861535][ T5653] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 126.874060][ T5653] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 126.883916][ T5653] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 126.887571][ T5653] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 127.531361][ T5651] 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. [ 129.115318][ T60] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 129.134071][ T60] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 129.526712][ T85] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 129.526756][ T85] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 133.100824][ T5687] bridge0: port 1(bridge_slave_0) entered blocking state [ 133.117899][ T5687] bridge0: port 1(bridge_slave_0) entered disabled state [ 133.118649][ T5687] bridge_slave_0: entered allmulticast mode [ 133.143300][ T5687] bridge_slave_0: entered promiscuous mode [ 133.178246][ T5687] bridge0: port 2(bridge_slave_1) entered blocking state [ 133.186924][ T5687] bridge0: port 2(bridge_slave_1) entered disabled state [ 133.196811][ T5687] bridge_slave_1: entered allmulticast mode [ 133.214301][ T5687] bridge_slave_1: entered promiscuous mode [ 133.317442][ T5687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 133.339291][ T5687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 133.399334][ T5687] team0: Port device team_slave_0 added [ 133.409267][ T5687] team0: Port device team_slave_1 added [ 133.454208][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 133.463942][ T5687] 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. [ 133.463990][ T5687] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 133.518281][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 133.526975][ T5687] 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. [ 133.527497][ T5687] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 133.615921][ T5687] hsr_slave_0: entered promiscuous mode [ 133.623612][ T5687] hsr_slave_1: entered promiscuous mode [ 133.849847][ T5687] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 133.871547][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 133.879156][ T5687] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 133.908365][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 133.921633][ T5687] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 133.938221][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 133.942668][ T5687] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 133.984503][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 134.130459][ T5687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.178185][ T5687] 8021q: adding VLAN 0 to HW filter on device team0 [ 134.211617][ T85] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.212874][ T85] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.247292][ T85] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.248221][ T85] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.813434][ T5687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 134.888263][ T5687] veth0_vlan: entered promiscuous mode [ 134.903840][ T5687] veth1_vlan: entered promiscuous mode [ 134.952644][ T5687] veth0_macvtap: entered promiscuous mode [ 134.964920][ T5687] veth1_macvtap: entered promiscuous mode [ 134.990082][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 135.005942][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 135.090551][ T1343] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 135.093719][ T1343] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 135.148622][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 135.149189][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/08/30 13:56:19 executed programs: 0 [ 135.352747][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 135.353762][ T5653] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 135.381324][ T5653] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 135.382254][ T5653] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 135.389821][ T5653] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 135.396914][ T5653] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 135.531643][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 135.608526][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 135.719680][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 136.253944][ T5760] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.271135][ T5760] bridge0: port 1(bridge_slave_0) entered disabled state [ 136.283407][ T5760] bridge_slave_0: entered allmulticast mode [ 136.301065][ T5760] bridge_slave_0: entered promiscuous mode [ 136.315991][ T5760] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.323188][ T5760] bridge0: port 2(bridge_slave_1) entered disabled state [ 136.324632][ T5760] bridge_slave_1: entered allmulticast mode [ 136.332209][ T5760] bridge_slave_1: entered promiscuous mode [ 136.405325][ T5760] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 136.417643][ T5760] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 136.480976][ T5760] team0: Port device team_slave_0 added [ 136.493149][ T5760] team0: Port device team_slave_1 added [ 136.546960][ T5760] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 136.547002][ T5760] 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. [ 136.547030][ T5760] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 136.563681][ T5760] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 136.563735][ T5760] 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. [ 136.563822][ T5760] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 136.707199][ T5760] hsr_slave_0: entered promiscuous mode [ 136.711645][ T5760] hsr_slave_1: entered promiscuous mode [ 136.727122][ T5760] debugfs: 'hsr0' already exists in 'hsr' [ 136.727414][ T5760] Cannot create hsr debugfs directory [ 137.488095][ T5653] Bluetooth: hci0: command tx timeout [ 137.648178][ T12] bridge_slave_1: left allmulticast mode [ 137.648555][ T12] bridge_slave_1: left promiscuous mode [ 137.656170][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 137.720726][ T12] bridge_slave_0: left allmulticast mode [ 137.737949][ T12] bridge_slave_0: left promiscuous mode [ 137.749907][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.033552][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 138.061643][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 138.090433][ T12] bond0 (unregistering): Released all slaves [ 138.308271][ T12] hsr_slave_0: left promiscuous mode [ 138.319603][ T12] hsr_slave_1: left promiscuous mode [ 138.324577][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 138.324736][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 138.354677][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 138.354741][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 138.390216][ T12] veth1_macvtap: left promiscuous mode [ 138.391033][ T12] veth0_macvtap: left promiscuous mode [ 138.395236][ T12] veth1_vlan: left promiscuous mode [ 138.395609][ T12] veth0_vlan: left promiscuous mode [ 138.689725][ T1308] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.702390][ T1308] ieee802154 phy1 wpan1: encryption failed: -22 [ 138.809767][ T12] team0 (unregistering): Port device team_slave_1 removed [ 138.833893][ T12] team0 (unregistering): Port device team_slave_0 removed [ 138.995021][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 139.571036][ T5653] Bluetooth: hci0: command tx timeout [ 139.598073][ T5760] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 139.614991][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 139.629626][ T5760] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 139.648075][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 139.663271][ T5760] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 139.678410][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 139.693547][ T5760] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 139.711103][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 139.903349][ T5760] 8021q: adding VLAN 0 to HW filter on device bond0 [ 139.943559][ T5760] 8021q: adding VLAN 0 to HW filter on device team0 [ 139.985055][ T85] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.985361][ T85] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.021662][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.021811][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.900814][ T5760] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 141.041803][ T5760] veth0_vlan: entered promiscuous mode [ 141.083302][ T5760] veth1_vlan: entered promiscuous mode [ 141.159531][ T5760] veth0_macvtap: entered promiscuous mode [ 141.173035][ T5760] veth1_macvtap: entered promiscuous mode [ 141.222880][ T5760] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 141.276018][ T5760] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 141.367621][ T85] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.367704][ T85] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.367741][ T85] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.367844][ T85] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.519779][ T85] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 141.519848][ T85] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 141.603718][ T85] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 141.603778][ T85] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 141.647026][ T5653] Bluetooth: hci0: command tx timeout SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 143.697057][ T85] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 143.873366][ T85] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 144.055447][ T85] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 144.260126][ T85] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0