13-Sep-2026 03:48:50: building syzkaller on b6a5eeb7114b1887514b0d74ca39167dfbfa4603... 13-Sep-2026 03:51:34: fetching kernel... 13-Sep-2026 03:51:37: checked out kernel commit 2f0c1cf72f4682178506f513bbf015e591b1aa4a ("Merge tag 's390-7.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux", 2026-09-12 16:22:25 -0700 -0700) 13-Sep-2026 03:51:37: cleaning kernel... 13-Sep-2026 03:52:55: applying patch (455 bytes)... 13-Sep-2026 03:52:55: building kernel... 13-Sep-2026 04:18:44: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 13-Sep-2026 04:18:44: testing patch... 13-Sep-2026 04:23:33: 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). Warning: Permanently added '10.128.1.134' (ED25519) to the list of known hosts. 2026/09/13 04:22:43 parsed 1 programs 2026/09/13 04:22:43 serving rpc on tcp://37535 [ 116.176242][ T5638] cgroup: Unknown subsys name 'net' [ 116.269550][ T5638] cgroup: Unknown subsys name 'cpuset' [ 116.273132][ T5638] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 118.238222][ T5638] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 122.080438][ T5656] 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. [ 122.089651][ T5656] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 122.090390][ T5656] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 122.090846][ T5656] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 122.091650][ T5656] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 123.409262][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.409296][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.476253][ T28] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.476281][ T28] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 124.797912][ T5687] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.798648][ T5687] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.798767][ T5687] bridge_slave_0: entered allmulticast mode [ 124.800981][ T5687] bridge_slave_0: entered promiscuous mode [ 124.813217][ T5687] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.813604][ T5687] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.813939][ T5687] bridge_slave_1: entered allmulticast mode [ 124.823934][ T5687] bridge_slave_1: entered promiscuous mode [ 124.896349][ T5687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.899978][ T5687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.943163][ T5687] team0: Port device team_slave_0 added [ 124.949239][ T5687] team0: Port device team_slave_1 added [ 124.980872][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 124.980887][ 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. [ 124.980906][ T5687] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 124.983146][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 124.983163][ 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. [ 124.983188][ T5687] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 125.108569][ T5687] hsr_slave_0: entered promiscuous mode [ 125.109992][ T5687] hsr_slave_1: entered promiscuous mode [ 125.328019][ T5687] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 125.335055][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 125.338239][ T5687] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 125.361418][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 125.362677][ T5687] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 125.384673][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 125.396089][ T5687] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 125.400660][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 125.458346][ T5687] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.458443][ T5687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 125.458916][ T5687] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.459003][ T5687] bridge0: port 1(bridge_slave_0) entered forwarding state [ 125.511088][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.512830][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.583866][ T5687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 125.613658][ T5687] 8021q: adding VLAN 0 to HW filter on device team0 [ 125.632260][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.632355][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 125.657712][ T3381] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.657829][ T3381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 125.761435][ T5687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 125.823171][ T5687] veth0_vlan: entered promiscuous mode [ 125.838830][ T5687] veth1_vlan: entered promiscuous mode [ 125.880567][ T5687] veth0_macvtap: entered promiscuous mode [ 125.893101][ T5687] veth1_macvtap: entered promiscuous mode [ 125.922257][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 125.942931][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 125.996954][ T3381] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.035840][ T12] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.035892][ T12] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.035929][ T12] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.178076][ T28] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 126.273669][ T28] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 127.290556][ T4939] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.293666][ T4939] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.303209][ T4939] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.321967][ T4939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.322912][ T4939] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 127.749294][ T28] netdevsim netdevsim2 netdevsim1 (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). [ 129.060155][ T28] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 129.193163][ T28] bridge_slave_1: left allmulticast mode [ 129.193213][ T28] bridge_slave_1: left promiscuous mode [ 129.195628][ T28] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.226471][ T28] bridge_slave_0: left allmulticast mode [ 129.226496][ T28] bridge_slave_0: left promiscuous mode [ 129.226693][ T28] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.401009][ T28] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 129.415575][ T28] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 129.418884][ T28] bond0 (unregistering): Released all slaves [ 129.557582][ T28] hsr_slave_0: left promiscuous mode [ 129.558709][ T28] hsr_slave_1: left promiscuous mode [ 129.560038][ T28] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 129.560072][ T28] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 129.561438][ T28] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 129.561459][ T28] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 129.621885][ T28] veth1_macvtap: left promiscuous mode [ 129.621958][ T28] veth0_macvtap: left promiscuous mode [ 129.622726][ T28] veth1_vlan: left promiscuous mode [ 129.622866][ T28] veth0_vlan: left promiscuous mode [ 130.090234][ T28] team0 (unregistering): Port device team_slave_1 removed [ 130.119539][ T28] team0 (unregistering): Port device team_slave_0 removed [ 130.278530][ T5284] 8021q: adding VLAN 0 to HW filter on device eth1 [ 131.131201][ T5284] 8021q: adding VLAN 0 to HW filter on device eth2 [ 131.820035][ T5284] 8021q: adding VLAN 0 to HW filter on device eth3 [ 132.254108][ T5284] 8021q: adding VLAN 0 to HW filter on device eth4 [ 133.727287][ T1311] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.727357][ T1311] ieee802154 phy1 wpan1: encryption failed: -22