Warning: Permanently added '10.128.1.146' (ED25519) to the list of known hosts. 2026/04/05 08:39:05 parsed 1 programs [ 89.782251][ T5849] cgroup: Unknown subsys name 'net' [ 89.894470][ T5849] cgroup: Unknown subsys name 'cpuset' [ 89.903847][ T5849] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.567533][ T5849] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.903075][ T24] cfg80211: failed to load regulatory.db [ 94.687857][ T5864] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 94.939997][ T1019] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.954143][ T1019] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.990849][ T644] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.998974][ T644] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.403591][ T5916] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.413370][ T5916] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.426083][ T5916] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.434743][ T5916] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.442639][ T5916] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.847679][ T5921] chnl_net:caif_netlink_parms(): no params data found [ 97.939962][ T5921] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.947319][ T5921] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.955481][ T5921] bridge_slave_0: entered allmulticast mode [ 97.963314][ T5921] bridge_slave_0: entered promiscuous mode [ 97.975201][ T5921] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.984806][ T5921] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.992467][ T5921] bridge_slave_1: entered allmulticast mode [ 97.999697][ T5921] bridge_slave_1: entered promiscuous mode [ 98.071040][ T5921] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.083541][ T5921] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.124361][ T5921] team0: Port device team_slave_0 added [ 98.133334][ T5921] team0: Port device team_slave_1 added [ 98.166169][ T5921] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.173258][ T5921] 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. [ 98.199444][ T5921] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.213594][ T5921] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.220622][ T5921] 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. [ 98.246697][ T5921] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.290453][ T5921] hsr_slave_0: entered promiscuous mode [ 98.296951][ T5921] hsr_slave_1: entered promiscuous mode [ 98.465102][ T5921] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.478362][ T5921] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.489068][ T5921] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.499332][ T5921] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.582470][ T5921] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.606720][ T5921] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.621294][ T644] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.629005][ T644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.645532][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.652786][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.846913][ T5921] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.897932][ T5921] veth0_vlan: entered promiscuous mode [ 98.911282][ T5921] veth1_vlan: entered promiscuous mode [ 98.948751][ T5921] veth0_macvtap: entered promiscuous mode [ 98.958330][ T5921] veth1_macvtap: entered promiscuous mode [ 98.977909][ T5921] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.993934][ T5921] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.009894][ T1019] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.019281][ T1019] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.033641][ T1019] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.043498][ T1019] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.199761][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.289327][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.358734][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.441413][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/05 08:39:20 executed programs: 0 [ 100.121593][ T5916] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.129822][ T5916] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.139901][ T5916] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.152590][ T5916] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.160498][ T5916] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.328055][ T5959] chnl_net:caif_netlink_parms(): no params data found [ 100.415200][ T5959] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.422464][ T5959] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.429682][ T5959] bridge_slave_0: entered allmulticast mode [ 100.437248][ T5959] bridge_slave_0: entered promiscuous mode [ 100.445782][ T5959] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.453238][ T5959] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.460905][ T5959] bridge_slave_1: entered allmulticast mode [ 100.468164][ T5959] bridge_slave_1: entered promiscuous mode [ 100.502362][ T5959] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.515811][ T5959] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.551914][ T5959] team0: Port device team_slave_0 added [ 100.561396][ T5959] team0: Port device team_slave_1 added [ 100.591534][ T5959] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.598506][ T5959] 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. [ 100.624939][ T5959] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.638549][ T5959] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.645700][ T5959] 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. [ 100.672272][ T5959] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.724981][ T5959] hsr_slave_0: entered promiscuous mode [ 100.731930][ T5959] hsr_slave_1: entered promiscuous mode [ 100.738718][ T5959] debugfs: 'hsr0' already exists in 'hsr' [ 100.744792][ T5959] Cannot create hsr debugfs directory [ 101.639127][ T13] bridge_slave_1: left allmulticast mode [ 101.646610][ T13] bridge_slave_1: left promiscuous mode [ 101.656894][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.669922][ T13] bridge_slave_0: left allmulticast mode [ 101.677084][ T13] bridge_slave_0: left promiscuous mode [ 101.683592][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.859986][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.872789][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.882879][ T13] bond0 (unregistering): Released all slaves [ 101.986915][ T13] hsr_slave_0: left promiscuous mode [ 101.993265][ T13] hsr_slave_1: left promiscuous mode [ 102.000564][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.008182][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.016936][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.025906][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.045483][ T13] veth1_macvtap: left promiscuous mode [ 102.051785][ T13] veth0_macvtap: left promiscuous mode [ 102.057404][ T13] veth1_vlan: left promiscuous mode [ 102.069277][ T13] veth0_vlan: left promiscuous mode [ 102.221270][ T5916] Bluetooth: hci0: command tx timeout [ 102.412836][ T13] team0 (unregistering): Port device team_slave_1 removed [ 102.435028][ T13] team0 (unregistering): Port device team_slave_0 removed [ 102.883864][ T5959] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.902887][ T5959] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.925406][ T5959] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.943225][ T5959] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.289216][ T5959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.318779][ T5959] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.333004][ T644] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.340561][ T644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.368691][ T1127] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.376043][ T1127] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.634970][ T5959] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.685111][ T5959] veth0_vlan: entered promiscuous mode [ 103.699412][ T5959] veth1_vlan: entered promiscuous mode [ 103.729414][ T5959] veth0_macvtap: entered promiscuous mode [ 103.738802][ T5959] veth1_macvtap: entered promiscuous mode [ 103.759348][ T5959] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.774083][ T5959] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.789780][ T1127] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.799484][ T1127] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.808934][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.819075][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.886356][ T1127] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.898812][ T1127] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.928403][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.936386][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.986476][ T6005] lo speed is unknown, defaulting to 1000 [ 103.994323][ T6005] lo speed is unknown, defaulting to 1000 [ 104.004801][ T6005] lo speed is unknown, defaulting to 1000 [ 104.012983][ T6005] smbdirect: ib_dev[syz0]: added: RNIC max_fast_reg_page_list_len=256 device_cap_flags=0x200000 kernel_cap_flags=0x10 page_size_cap=0x1000 [ 104.028462][ T6005] smbdirect: ib_dev[syz0]: num_ports=1 max_qp_rd_atom=128 max_qp_init_rd_atom=128 max_sgl_rd=0 max_sge_rd=1 max_cqe=3276800 max_qp_wr=32768 max_send_sge=6 max_recv_sge=6 [ 104.046807][ T6005] smbdirect: ib_dev[syz0]PORT[1]: iwarp=1 ib=0 roce=0 v1=0 v2=0 core_cap_flags=0x400008 [ 104.062466][ T6005] iwpm_register_pid: Unable to send a nlmsg (client = 2) [ 104.076845][ T6005] infiniband syz0: RDMA CMA: cma_listen_on_dev, error -98 [ 104.108452][ T6005] lo speed is unknown, defaulting to 1000 [ 104.301300][ T5916] Bluetooth: hci0: command tx timeout 2026/04/05 08:39:25 executed programs: 43 [ 106.392020][ T5916] Bluetooth: hci0: command tx timeout [ 108.460700][ T5916] Bluetooth: hci0: command tx timeout 2026/04/05 08:39:30 executed programs: 302 2026/04/05 08:39:35 executed programs: 566 [ 115.877064][ T5164] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 115.898877][ T5164] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 115.910619][ T5164] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 115.919690][ T5164] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 115.928081][ T5164] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 115.964446][ T6608] lo speed is unknown, defaulting to 1000 [ 116.084861][ T1127] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.113209][ T6608] chnl_net:caif_netlink_parms(): no params data found [ 116.154761][ T1127] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.222086][ T1127] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.252679][ T6608] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.259901][ T6608] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.267482][ T6608] bridge_slave_0: entered allmulticast mode [ 116.274851][ T6608] bridge_slave_0: entered promiscuous mode [ 116.283651][ T6608] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.290910][ T6608] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.298158][ T6608] bridge_slave_1: entered allmulticast mode [ 116.306197][ T6608] bridge_slave_1: entered promiscuous mode [ 116.327229][ T1127] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.364030][ T6608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 116.375693][ T6608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 116.407437][ T6608] team0: Port device team_slave_0 added [ 116.415762][ T6608] team0: Port device team_slave_1 added [ 116.443709][ T6608] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 116.450852][ T6608] 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. [ 116.476846][ T6608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 116.489938][ T6608] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 116.497333][ T6608] 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. [ 116.523432][ T6608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 116.573282][ T6608] hsr_slave_0: entered promiscuous mode [ 116.579673][ T6608] hsr_slave_1: entered promiscuous mode [ 116.709672][ T1127] bridge_slave_1: left allmulticast mode [ 116.715961][ T1127] bridge_slave_1: left promiscuous mode [ 116.722852][ T1127] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.733068][ T1127] bridge_slave_0: left allmulticast mode [ 116.738754][ T1127] bridge_slave_0: left promiscuous mode [ 116.744959][ T1127] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.896669][ T1127] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 116.908594][ T1127] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 116.918888][ T1127] bond0 (unregistering): Released all slaves [ 117.168929][ T1127] hsr_slave_0: left promiscuous mode [ 117.175392][ T1127] hsr_slave_1: left promiscuous mode [ 117.181990][ T1127] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 117.189457][ T1127] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 117.200446][ T1127] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 117.207901][ T1127] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 117.224845][ T1127] veth1_macvtap: left promiscuous mode [ 117.234911][ T1127] veth0_macvtap: left promiscuous mode [ 117.240663][ T1127] veth1_vlan: left promiscuous mode [ 117.245993][ T1127] veth0_vlan: left promiscuous mode [ 117.560060][ T1127] team0 (unregistering): Port device team_slave_1 removed [ 117.594868][ T1127] team0 (unregistering): Port device team_slave_0 removed [ 117.776522][ T644] smbdirect: ib_dev[syz0] removed [ 117.786927][ T5862] lo speed is unknown, defaulting to 1000 [ 117.796052][ T5862] infiniband syz0: ib_query_port failed (-19) [ 117.809375][ T644] ================================================================== [ 117.817497][ T644] BUG: KASAN: invalid-free in gid_table_release_one+0x384/0x470 [ 117.825197][ T644] Free of addr ffff88807bca0ad8 by task kworker/u8:6/644 [ 117.832244][ T644] [ 117.834603][ T644] CPU: 0 UID: 0 PID: 644 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) [ 117.834622][ T644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 117.834634][ T644] Workqueue: ib-unreg-wq ib_unregister_work [ 117.834669][ T644] Call Trace: [ 117.834678][ T644] [ 117.834686][ T644] dump_stack_lvl+0xe8/0x150 [ 117.834711][ T644] print_address_description+0x55/0x1e0 [ 117.834736][ T644] print_report+0x58/0x70 [ 117.834757][ T644] ? gid_table_release_one+0x384/0x470 [ 117.834774][ T644] kasan_report_invalid_free+0xea/0x110 [ 117.834793][ T644] ? gid_table_release_one+0x384/0x470 [ 117.834812][ T644] ? gid_table_release_one+0x384/0x470 [ 117.834829][ T644] __kasan_slab_pre_free+0x104/0x120 [ 117.834845][ T644] kfree+0x173/0x640 [ 117.834866][ T644] ? gid_table_release_one+0x384/0x470 [ 117.834885][ T644] gid_table_release_one+0x384/0x470 [ 117.834908][ T644] ib_device_release+0xd2/0x1c0 [ 117.834933][ T644] ? __pfx_ib_device_release+0x10/0x10 [ 117.834957][ T644] device_release+0xc4/0x1f0 [ 117.834974][ T644] kobject_put+0x228/0x560 [ 117.835000][ T644] ? process_scheduled_works+0xa70/0x1860 [ 117.835025][ T644] process_scheduled_works+0xb5d/0x1860 [ 117.835061][ T644] ? __pfx_process_scheduled_works+0x10/0x10 [ 117.835088][ T644] ? assign_work+0x3d5/0x5e0 [ 117.835112][ T644] worker_thread+0xa53/0xfc0 [ 117.835146][ T644] kthread+0x388/0x470 [ 117.835163][ T644] ? __pfx_worker_thread+0x10/0x10 [ 117.835186][ T644] ? __pfx_kthread+0x10/0x10 [ 117.835203][ T644] ret_from_fork+0x514/0xb70 [ 117.835228][ T644] ? __pfx_ret_from_fork+0x10/0x10 [ 117.835250][ T644] ? __switch_to+0xc79/0x1410 [ 117.835270][ T644] ? __pfx_kthread+0x10/0x10 [ 117.835287][ T644] ret_from_fork_asm+0x1a/0x30 [ 117.835314][ T644] [ 117.835319][ T644] [ 118.012606][ T644] Allocated by task 6005: [ 118.016948][ T644] kasan_save_track+0x3e/0x80 [ 118.021742][ T644] __kasan_kmalloc+0x93/0xb0 [ 118.026481][ T644] __kmalloc_noprof+0x35c/0x760 [ 118.031367][ T644] ib_cache_setup_one+0x198/0x570 [ 118.036426][ T644] ib_register_device+0xfbd/0x13e0 [ 118.041570][ T644] siw_newlink+0x8fe/0xde0 [ 118.046040][ T644] nldev_newlink+0x5bc/0x650 [ 118.050657][ T644] rdma_nl_rcv+0x6d1/0xa10 [ 118.055105][ T644] netlink_unicast+0x80f/0x9b0 [ 118.059891][ T644] netlink_sendmsg+0x813/0xb40 [ 118.064690][ T644] ____sys_sendmsg+0x972/0x9f0 [ 118.069475][ T644] ___sys_sendmsg+0x2a5/0x360 [ 118.074357][ T644] __x64_sys_sendmsg+0x1bd/0x2a0 [ 118.079319][ T644] do_syscall_64+0x15f/0xf80 [ 118.083928][ T644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 118.089842][ T644] [ 118.092180][ T644] The buggy address belongs to the object at ffff88807bca0a00 [ 118.092180][ T644] which belongs to the cache kmalloc-256 of size 256 [ 118.106597][ T644] The buggy address is located 216 bytes inside of [ 118.106597][ T644] 224-byte region [ffff88807bca0a00, ffff88807bca0ae0) [ 118.119900][ T644] [ 118.122249][ T644] The buggy address belongs to the physical page: [ 118.128693][ T644] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807bca0200 pfn:0x7bca0 [ 118.138807][ T644] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 118.147513][ T644] flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff) [ 118.156231][ T644] page_type: f5(slab) [ 118.160249][ T644] raw: 00fff00000000240 ffff88813fe34b40 ffffea000098a990 ffffea0001e9c310 [ 118.168896][ T644] raw: ffff88807bca0200 000000080010000a 00000000f5000000 0000000000000000 [ 118.177514][ T644] head: 00fff00000000240 ffff88813fe34b40 ffffea000098a990 ffffea0001e9c310 [ 118.186206][ T644] head: ffff88807bca0200 000000080010000a 00000000f5000000 0000000000000000 [ 118.194913][ T644] head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 118.203618][ T644] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 118.212315][ T644] page dumped because: kasan: bad access detected [ 118.218787][ T644] page_owner tracks the page as allocated [ 118.224572][ T644] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5959, tgid 5959 (syz-executor), ts 103836371052, free_ts 103751145604 [ 118.246346][ T644] post_alloc_hook+0x231/0x280 [ 118.251241][ T644] get_page_from_freelist+0x24ba/0x2540 [ 118.256819][ T644] __alloc_frozen_pages_noprof+0x18d/0x380 [ 118.262641][ T644] allocate_slab+0x77/0x660 [ 118.267166][ T644] refill_objects+0x339/0x3d0 [ 118.271892][ T644] __pcs_replace_empty_main+0x321/0x720 [ 118.277466][ T644] __kmalloc_noprof+0x474/0x760 [ 118.282431][ T644] fib_create_info+0x1723/0x31f0 [ 118.287391][ T644] fib_table_insert+0xc8/0x1b50 [ 118.292271][ T644] fib_magic+0x434/0x510 [ 118.296534][ T644] fib_add_ifaddr+0x3fb/0x5f0 [ 118.301232][ T644] fib_netdev_event+0x382/0x490 [ 118.306103][ T644] notifier_call_chain+0x1ad/0x3d0 [ 118.311345][ T644] __dev_notify_flags+0x1a9/0x310 [ 118.316400][ T644] netif_change_flags+0xe8/0x1a0 [ 118.321369][ T644] do_setlink+0xf82/0x4590 [ 118.325981][ T644] page last free pid 1127 tgid 1127 stack trace: [ 118.332319][ T644] __free_frozen_pages+0xbc7/0xd30 [ 118.337460][ T644] rcu_core+0x7cd/0x1070 [ 118.341752][ T644] handle_softirqs+0x22a/0x840 [ 118.346550][ T644] do_softirq+0x76/0xd0 [ 118.350736][ T644] __local_bh_enable_ip+0xf8/0x130 [ 118.355957][ T644] addrconf_dad_work+0x2bd/0x14c0 [ 118.361006][ T644] process_scheduled_works+0xb5d/0x1860 [ 118.366581][ T644] worker_thread+0xa53/0xfc0 [ 118.371198][ T644] kthread+0x388/0x470 [ 118.375378][ T644] ret_from_fork+0x514/0xb70 [ 118.379995][ T644] ret_from_fork_asm+0x1a/0x30 [ 118.384774][ T644] [ 118.387113][ T644] Memory state around the buggy address: [ 118.392757][ T644] ffff88807bca0980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 118.400832][ T644] ffff88807bca0a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 118.408904][ T644] >ffff88807bca0a80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 118.416981][ T644] ^ [ 118.423924][ T644] ffff88807bca0b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 118.431997][ T644] ffff88807bca0b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 118.440085][ T644] ================================================================== [ 118.456413][ T5164] Bluetooth: hci1: command tx timeout [ 118.464175][ T644] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 118.471420][ T644] CPU: 0 UID: 0 PID: 644 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) [ 118.480820][ T644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 118.490905][ T644] Workqueue: ib-unreg-wq ib_unregister_work [ 118.496854][ T644] Call Trace: [ 118.500163][ T644] [ 118.503119][ T644] vpanic+0x56c/0xa60 [ 118.507136][ T644] ? __pfx_vpanic+0x10/0x10 [ 118.511676][ T644] panic+0xc5/0xd0 [ 118.515420][ T644] ? __pfx_panic+0x10/0x10 [ 118.519861][ T644] ? preempt_schedule_thunk+0x16/0x30 [ 118.525278][ T644] ? preempt_schedule_thunk+0x16/0x30 [ 118.530701][ T644] check_panic_on_warn+0x89/0xb0 [ 118.535681][ T644] end_report+0x73/0x170 [ 118.539996][ T644] ? gid_table_release_one+0x384/0x470 [ 118.545481][ T644] kasan_report_invalid_free+0xfa/0x110 [ 118.551054][ T644] ? gid_table_release_one+0x384/0x470 [ 118.556543][ T644] ? gid_table_release_one+0x384/0x470 [ 118.562030][ T644] __kasan_slab_pre_free+0x104/0x120 [ 118.567343][ T644] kfree+0x173/0x640 [ 118.571265][ T644] ? gid_table_release_one+0x384/0x470 [ 118.576746][ T644] gid_table_release_one+0x384/0x470 [ 118.582063][ T644] ib_device_release+0xd2/0x1c0 [ 118.586943][ T644] ? __pfx_ib_device_release+0x10/0x10 [ 118.592520][ T644] device_release+0xc4/0x1f0 [ 118.597137][ T644] kobject_put+0x228/0x560 [ 118.601582][ T644] ? process_scheduled_works+0xa70/0x1860 [ 118.607334][ T644] process_scheduled_works+0xb5d/0x1860 [ 118.612921][ T644] ? __pfx_process_scheduled_works+0x10/0x10 [ 118.618934][ T644] ? assign_work+0x3d5/0x5e0 [ 118.623549][ T644] worker_thread+0xa53/0xfc0 [ 118.628176][ T644] kthread+0x388/0x470 [ 118.632349][ T644] ? __pfx_worker_thread+0x10/0x10 [ 118.637495][ T644] ? __pfx_kthread+0x10/0x10 [ 118.642106][ T644] ret_from_fork+0x514/0xb70 [ 118.646738][ T644] ? __pfx_ret_from_fork+0x10/0x10 [ 118.651878][ T644] ? __switch_to+0xc79/0x1410 [ 118.656578][ T644] ? __pfx_kthread+0x10/0x10 [ 118.661196][ T644] ret_from_fork_asm+0x1a/0x30 [ 118.665985][ T644] [ 118.669468][ T644] Kernel Offset: disabled [ 118.673802][ T644] Rebooting in 86400 seconds..