16-Sep-2026 02:08:47: building syzkaller on 85995287a888340d8818a8f3c43e2e89555eea21... 16-Sep-2026 05:18:35: fetching kernel... 16-Sep-2026 05:18:42: checked out kernel commit e7c984688336fb9db9ecfe0c74c2141f7e9a635a ("udmabuf: cap page count to allocation-safe limits", 2026-09-16 08:55:40 +0800 +0800) 16-Sep-2026 05:18:42: cleaning kernel... 16-Sep-2026 05:19:19: building kernel... 16-Sep-2026 05:32:27: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 16-Sep-2026 05:32:27: testing patch... 16-Sep-2026 05:38:20: 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) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). no interfaces have a carrier [ 83.165290][ T5279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.176651][ T5279] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller syzkaller login: [ 114.243158][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.233' (ED25519) to the list of known hosts. 2026/09/16 05:37:24 parsed 1 programs 2026/09/16 05:37:24 serving rpc on tcp://37581 [ 121.891431][ T5631] cgroup: Unknown subsys name 'net' [ 122.014742][ T5631] cgroup: Unknown subsys name 'cpuset' [ 122.024234][ T5631] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 123.962440][ T5631] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 128.498958][ T5644] 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. [ 128.521252][ T5644] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 128.524188][ T5644] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 129.376802][ T5653] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 129.377579][ T5653] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 129.514072][ T5659] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 129.514855][ T5659] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 129.515648][ T5659] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 129.516637][ T5659] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 129.517407][ T5659] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 130.480696][ T45] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 130.480735][ T45] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 130.543973][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 130.543998][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 132.024638][ T5677] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.025532][ T5677] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.025672][ T5677] bridge_slave_0: entered allmulticast mode [ 132.027949][ T5677] bridge_slave_0: entered promiscuous mode [ 132.076170][ T5677] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.076834][ T5677] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.077022][ T5677] bridge_slave_1: entered allmulticast mode [ 132.102933][ T5677] bridge_slave_1: entered promiscuous mode [ 132.174547][ T5677] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 132.187486][ T5677] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 132.250540][ T5677] team0: Port device team_slave_0 added [ 132.254042][ T5677] team0: Port device team_slave_1 added [ 132.300085][ T5677] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 132.300106][ T5677] 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. [ 132.300139][ T5677] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 132.303509][ T5677] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 132.303529][ T5677] 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. [ 132.303640][ T5677] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 132.507651][ T5677] hsr_slave_0: entered promiscuous mode [ 132.509065][ T5677] hsr_slave_1: entered promiscuous mode [ 132.809314][ T5677] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 132.845685][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 132.847749][ T5677] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 132.874511][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 132.876090][ T5677] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 132.884908][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 132.887927][ T5677] netdevsim netdevsim7 netdevsim3: renamed from eth3 [ 132.915834][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 133.036266][ T5677] 8021q: adding VLAN 0 to HW filter on device bond0 [ 133.070741][ T5677] 8021q: adding VLAN 0 to HW filter on device team0 [ 133.079036][ T2225] bridge0: port 1(bridge_slave_0) entered blocking state [ 133.079162][ T2225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 133.126108][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 133.126199][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 133.813277][ T5677] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 134.186699][ T5677] veth0_vlan: entered promiscuous mode [ 134.207669][ T5677] veth1_vlan: entered promiscuous mode [ 134.293216][ T5677] veth0_macvtap: entered promiscuous mode [ 134.311660][ T5677] veth1_macvtap: entered promiscuous mode [ 134.349115][ T5677] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 134.379343][ T5677] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 134.492045][ T62] netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.551786][ T2225] netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.552284][ T2225] netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.620447][ T62] netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.799248][ T59] netdevsim netdevsim7 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 135.874694][ T59] netdevsim netdevsim7 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). [ 136.855213][ T59] netdevsim netdevsim7 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 136.952225][ T59] netdevsim netdevsim7 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 137.224278][ T59] bridge_slave_1: left allmulticast mode [ 137.224334][ T59] bridge_slave_1: left promiscuous mode [ 137.226112][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 137.275171][ T59] bridge_slave_0: left allmulticast mode [ 137.275201][ T59] bridge_slave_0: left promiscuous mode [ 137.275530][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 137.665003][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 137.680748][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 137.682596][ T59] bond0 (unregistering): Released all slaves [ 137.832212][ T59] hsr_slave_0: left promiscuous mode [ 137.832917][ T59] hsr_slave_1: left promiscuous mode [ 137.833650][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 137.833676][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 137.836225][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 137.836252][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 137.888093][ T59] veth1_macvtap: left promiscuous mode [ 137.888147][ T59] veth0_macvtap: left promiscuous mode [ 137.888227][ T59] veth1_vlan: left promiscuous mode [ 137.888334][ T59] veth0_vlan: left promiscuous mode [ 138.251598][ T59] team0 (unregistering): Port device team_slave_1 removed [ 138.291619][ T59] team0 (unregistering): Port device team_slave_0 removed [ 138.436400][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 139.193435][ T5279] 8021q: adding VLAN 0 to HW filter on device eth2 [ 139.758608][ T5279] 8021q: adding VLAN 0 to HW filter on device eth3 [ 139.843453][ T1313] ieee802154 phy0 wpan0: encryption failed: -22 [ 139.843541][ T1313] ieee802154 phy1 wpan1: encryption failed: -22 [ 140.207942][ T5279] 8021q: adding VLAN 0 to HW filter on device eth4