Warning: Permanently added '10.128.0.243' (ED25519) to the list of known hosts. 2026/06/22 00:33:58 parsed 1 programs 2026/06/22 00:33:58 serving rpc on tcp://40693 [ 54.176325][ T5631] cgroup: Unknown subsys name 'net' [ 54.261456][ T5631] cgroup: Unknown subsys name 'cpuset' [ 54.268492][ T5631] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 55.278263][ T5631] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 57.332144][ T5639] 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. [ 57.819824][ T5654] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.826953][ T5654] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.834090][ T5654] bridge_slave_0: entered allmulticast mode [ 57.841579][ T5654] bridge_slave_0: entered promiscuous mode [ 57.859482][ T5654] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.866584][ T5654] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.873856][ T5654] bridge_slave_1: entered allmulticast mode [ 57.881259][ T5654] bridge_slave_1: entered promiscuous mode [ 57.896147][ T5654] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.906979][ T5654] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.924875][ T5654] team0: Port device team_slave_0 added [ 57.931517][ T5654] team0: Port device team_slave_1 added [ 57.944478][ T5654] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.951446][ T5654] 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. [ 57.977340][ T5654] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.988752][ T5654] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.995742][ T5654] 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. [ 58.021724][ T5654] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.046664][ T5654] hsr_slave_0: entered promiscuous mode [ 58.052676][ T5654] hsr_slave_1: entered promiscuous mode [ 58.112714][ T5654] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.121049][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 58.128566][ T5654] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.136559][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 58.144290][ T5654] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.154434][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 58.161923][ T5654] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.170122][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 58.186034][ T5654] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.193093][ T5654] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.200433][ T5654] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.207495][ T5654] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.236682][ T5654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.249359][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.257026][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.266963][ T5654] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.276817][ T1032] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.283902][ T1032] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.293926][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.301011][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.463008][ T5654] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.489089][ T5654] veth0_vlan: entered promiscuous mode [ 58.497668][ T5654] veth1_vlan: entered promiscuous mode [ 58.514944][ T5654] veth0_macvtap: entered promiscuous mode [ 58.522725][ T5654] veth1_macvtap: entered promiscuous mode [ 58.534636][ T5654] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.545589][ T5654] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.555859][ T1032] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.564738][ T1032] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.575055][ T1032] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.583780][ T1032] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.640531][ T1032] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.647859][ T5692] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.658295][ T5692] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.665794][ T5692] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.673716][ T5692] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.681643][ T5692] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.689376][ T1032] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.744783][ T1032] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.796354][ T1032] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.835688][ T1182] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.847102][ T1182] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.864247][ T560] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.872271][ T560] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/06/22 00:34:06 executed programs: 0 [ 60.032248][ T4939] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.039434][ T4939] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.046785][ T4939] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.054686][ T4939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.062159][ T4939] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.268223][ T5749] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.275748][ T5749] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.283273][ T5749] bridge_slave_0: entered allmulticast mode [ 60.289623][ T5749] bridge_slave_0: entered promiscuous mode [ 60.297286][ T5749] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.304446][ T5749] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.311563][ T5749] bridge_slave_1: entered allmulticast mode [ 60.317917][ T5749] bridge_slave_1: entered promiscuous mode [ 60.333462][ T5749] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.343805][ T5749] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.362191][ T5749] team0: Port device team_slave_0 added [ 60.369025][ T5749] team0: Port device team_slave_1 added [ 60.382921][ T5749] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.389964][ T5749] 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. [ 60.416075][ T5749] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.427787][ T5749] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.434828][ T5749] 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. [ 60.461262][ T5749] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.486634][ T5749] hsr_slave_0: entered promiscuous mode [ 60.492637][ T5749] hsr_slave_1: entered promiscuous mode [ 60.498439][ T5749] debugfs: 'hsr0' already exists in 'hsr' [ 60.504199][ T5749] Cannot create hsr debugfs directory [ 61.783294][ T1032] bridge_slave_1: left allmulticast mode [ 61.788972][ T1032] bridge_slave_1: left promiscuous mode [ 61.794787][ T1032] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.803549][ T1032] bridge_slave_0: left allmulticast mode [ 61.809329][ T1032] bridge_slave_0: left promiscuous mode [ 61.815595][ T1032] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.857560][ T1032] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 61.867692][ T1032] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 61.877538][ T1032] bond0 (unregistering): Released all slaves [ 61.966019][ T1032] hsr_slave_0: left promiscuous mode [ 61.971937][ T1032] hsr_slave_1: left promiscuous mode [ 61.977700][ T1032] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 61.985305][ T1032] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 61.993606][ T1032] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 62.002446][ T1032] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 62.017332][ T1032] veth1_macvtap: left promiscuous mode [ 62.022856][ T1032] veth0_macvtap: left promiscuous mode [ 62.028373][ T1032] veth1_vlan: left promiscuous mode [ 62.033806][ T1032] veth0_vlan: left promiscuous mode [ 62.121601][ T4939] Bluetooth: hci0: command tx timeout [ 62.164503][ T1032] team0 (unregistering): Port device team_slave_1 removed [ 62.174972][ T1032] team0 (unregistering): Port device team_slave_0 removed [ 62.219253][ T5283] 8021q: adding VLAN 0 to HW filter on device eth1 [ 62.417368][ T5749] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.426915][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 62.434937][ T5749] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.449052][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 62.456813][ T5749] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.465822][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 62.473462][ T5749] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.483588][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 62.546862][ T5749] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.563099][ T5749] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.585405][ T1182] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.592538][ T1182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.608719][ T1182] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.615843][ T1182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.046893][ T5749] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.085226][ T5749] veth0_vlan: entered promiscuous mode [ 63.113067][ T5749] veth1_vlan: entered promiscuous mode [ 63.129332][ T5749] veth0_macvtap: entered promiscuous mode [ 63.139449][ T5749] veth1_macvtap: entered promiscuous mode [ 63.156892][ T5749] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.168550][ T5749] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.187096][ T560] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.195861][ T560] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.205682][ T560] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.215236][ T560] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.248243][ T560] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.257983][ T560] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.273224][ T560] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.281260][ T560] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.200285][ T4939] Bluetooth: hci0: command tx timeout [ 64.376460][ T5855] ================================================================== [ 64.384556][ T5855] BUG: KASAN: slab-use-after-free in __sk_msg_recvmsg+0x8d3/0xf30 [ 64.392379][ T5855] Read of size 4 at addr ffff888036863828 by task syz.0.23/5855 [ 64.400000][ T5855] [ 64.402335][ T5855] CPU: 0 UID: 0 PID: 5855 Comm: syz.0.23 Not tainted syzkaller #0 PREEMPT(full) [ 64.402354][ T5855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 64.402370][ T5855] Call Trace: [ 64.402381][ T5855] [ 64.402388][ T5855] dump_stack_lvl+0xe8/0x150 [ 64.402408][ T5855] print_address_description+0x55/0x1e0 [ 64.402425][ T5855] ? __sk_msg_recvmsg+0x8d3/0xf30 [ 64.402444][ T5855] print_report+0x58/0x70 [ 64.402458][ T5855] kasan_report+0x117/0x150 [ 64.402479][ T5855] ? rcu_is_watching+0x15/0xb0 [ 64.402496][ T5855] ? __sk_msg_recvmsg+0x8d3/0xf30 [ 64.402519][ T5855] __sk_msg_recvmsg+0x8d3/0xf30 [ 64.402543][ T5855] ? sk_psock_get+0x7a/0x440 [ 64.402566][ T5855] udp_bpf_recvmsg+0x18b/0xa90 [ 64.402583][ T5855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.402603][ T5855] ? aa_sk_perm+0x6d5/0x900 [ 64.402627][ T5855] ? __pfx_udp_bpf_recvmsg+0x10/0x10 [ 64.402647][ T5855] ? sock_rps_record_flow+0x19/0x350 [ 64.402667][ T5855] ? inet_recvmsg+0x101/0x120 [ 64.402684][ T5855] ? __pfx_inet_recvmsg+0x10/0x10 [ 64.402702][ T5855] sock_recvmsg+0x155/0x1b0 [ 64.402720][ T5855] ____sys_recvmsg+0x1e6/0x4a0 [ 64.402751][ T5855] ? __pfx_____sys_recvmsg+0x10/0x10 [ 64.402778][ T5855] ? import_iovec+0x73/0xa0 [ 64.402799][ T5855] ___sys_recvmsg+0x213/0x5a0 [ 64.402822][ T5855] ? __pfx____sys_recvmsg+0x10/0x10 [ 64.402845][ T5855] ? __fget_files+0x2a/0x420 [ 64.402861][ T5855] ? rcu_is_watching+0x15/0xb0 [ 64.402882][ T5855] ? __fget_files+0x3a2/0x420 [ 64.402903][ T5855] do_recvmmsg+0x31a/0x7f0 [ 64.402926][ T5855] ? __might_fault+0xcb/0x130 [ 64.402943][ T5855] ? __pfx_do_recvmmsg+0x10/0x10 [ 64.402964][ T5855] ? do_futex+0x3e7/0x4e0 [ 64.402990][ T5855] __x64_sys_recvmmsg+0x198/0x250 [ 64.403013][ T5855] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 64.403036][ T5855] ? rcu_is_watching+0x15/0xb0 [ 64.403052][ T5855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.403067][ T5855] do_syscall_64+0x174/0x580 [ 64.403086][ T5855] ? trace_irq_disable+0x3b/0x140 [ 64.403106][ T5855] ? clear_bhb_loop+0x40/0x90 [ 64.403123][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.403138][ T5855] RIP: 0033:0x7fea5339ce59 [ 64.403157][ T5855] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 64.403170][ T5855] RSP: 002b:00007fea5430f028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 64.403187][ T5855] RAX: ffffffffffffffda RBX: 00007fea53616090 RCX: 00007fea5339ce59 [ 64.403198][ T5855] RDX: 0000000000000012 RSI: 0000200000000400 RDI: 0000000000000004 [ 64.403208][ T5855] RBP: 00007fea53432e6f R08: 0000000000000000 R09: 0000000000000000 [ 64.403218][ T5855] R10: 0000000040000021 R11: 0000000000000246 R12: 0000000000000000 [ 64.403227][ T5855] R13: 00007fea53616128 R14: 00007fea53616090 R15: 00007ffdc785d178 [ 64.403245][ T5855] [ 64.403250][ T5855] [ 64.686439][ T5855] Allocated by task 5854: [ 64.690747][ T5855] kasan_save_track+0x3e/0x80 [ 64.695411][ T5855] __kasan_kmalloc+0x93/0xb0 [ 64.700007][ T5855] __kmalloc_cache_noprof+0x318/0x660 [ 64.705376][ T5855] sk_psock_skb_ingress_self+0x5e/0x320 [ 64.710907][ T5855] sk_psock_verdict_recv+0xca9/0xeb0 [ 64.716178][ T5855] udp_read_skb+0x5f4/0x6d0 [ 64.720668][ T5855] sk_psock_verdict_data_ready+0x25f/0x690 [ 64.726457][ T5855] __udp_enqueue_schedule_skb+0xc26/0x12d0 [ 64.732250][ T5855] udp_queue_rcv_one_skb+0x750/0x10e0 [ 64.737612][ T5855] __udp4_lib_mcast_deliver+0xace/0xb60 [ 64.743152][ T5855] udp_rcv+0xd3e/0x1db0 [ 64.747294][ T5855] ip_protocol_deliver_rcu+0x27e/0x440 [ 64.752731][ T5855] ip_local_deliver_finish+0x3bb/0x6f0 [ 64.758169][ T5855] NF_HOOK+0x336/0x3c0 [ 64.762218][ T5855] ip_sublist_rcv_finish+0x1f0/0x240 [ 64.767487][ T5855] ip_sublist_rcv+0x5cc/0xa70 [ 64.772146][ T5855] ip_list_rcv+0x3ec/0x440 [ 64.776546][ T5855] __netif_receive_skb_list_core+0x804/0x830 [ 64.782511][ T5855] netif_receive_skb_list_internal+0x995/0xcf0 [ 64.788646][ T5855] netif_receive_skb_list+0x55/0x450 [ 64.793908][ T5855] bpf_test_run_xdp_live+0x1875/0x1c20 [ 64.799353][ T5855] bpf_prog_test_run_xdp+0x7d8/0x11d0 [ 64.804710][ T5855] bpf_prog_test_run+0x2c5/0x340 [ 64.809629][ T5855] __sys_bpf+0x643/0x950 [ 64.813864][ T5855] __x64_sys_bpf+0x7c/0x90 [ 64.818258][ T5855] do_syscall_64+0x174/0x580 [ 64.822828][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.828700][ T5855] [ 64.831005][ T5855] Freed by task 5856: [ 64.834960][ T5855] kasan_save_track+0x3e/0x80 [ 64.839622][ T5855] kasan_save_free_info+0x40/0x50 [ 64.844624][ T5855] __kasan_slab_free+0x5c/0x80 [ 64.849370][ T5855] kfree+0x1c5/0x640 [ 64.853248][ T5855] __sk_msg_recvmsg+0xd2d/0xf30 [ 64.858078][ T5855] udp_bpf_recvmsg+0x18b/0xa90 [ 64.862820][ T5855] sock_recvmsg+0x155/0x1b0 [ 64.867302][ T5855] ____sys_recvmsg+0x1e6/0x4a0 [ 64.872047][ T5855] ___sys_recvmsg+0x213/0x5a0 [ 64.876703][ T5855] do_recvmmsg+0x31a/0x7f0 [ 64.881101][ T5855] __x64_sys_recvmmsg+0x198/0x250 [ 64.886111][ T5855] do_syscall_64+0x174/0x580 [ 64.890687][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.896557][ T5855] [ 64.898861][ T5855] The buggy address belongs to the object at ffff888036863800 [ 64.898861][ T5855] which belongs to the cache kmalloc-1k of size 1024 [ 64.912890][ T5855] The buggy address is located 40 bytes inside of [ 64.912890][ T5855] freed 1024-byte region [ffff888036863800, ffff888036863c00) [ 64.926663][ T5855] [ 64.928967][ T5855] The buggy address belongs to the physical page: [ 64.935369][ T5855] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36860 [ 64.944113][ T5855] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 64.952587][ T5855] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 64.960114][ T5855] page_type: f5(slab) [ 64.964075][ T5855] raw: 00fff00000000040 ffff88813fe1bdc0 dead000000000100 dead000000000122 [ 64.972991][ T5855] raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 64.981564][ T5855] head: 00fff00000000040 ffff88813fe1bdc0 dead000000000100 dead000000000122 [ 64.990217][ T5855] head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 64.998869][ T5855] head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff [ 65.007522][ T5855] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 65.016177][ T5855] page dumped because: kasan: bad access detected [ 65.022584][ T5855] page_owner tracks the page as allocated [ 65.028278][ T5855] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 76, tgid 76 (kworker/u8:4), ts 64202855841, free_ts 64176586508 [ 65.048658][ T5855] post_alloc_hook+0x22d/0x280 [ 65.053408][ T5855] get_page_from_freelist+0x24ae/0x2530 [ 65.058935][ T5855] __alloc_frozen_pages_noprof+0x18d/0x380 [ 65.064725][ T5855] allocate_slab+0x74/0x5d0 [ 65.069217][ T5855] refill_objects+0x328/0x3c0 [ 65.073872][ T5855] __pcs_replace_empty_main+0x2e0/0x6b0 [ 65.079397][ T5855] __kmalloc_noprof+0x464/0x750 [ 65.084231][ T5855] ___neigh_create+0x6d2/0x22b0 [ 65.089070][ T5855] ip6_finish_output2+0x6d6/0x13c0 [ 65.094163][ T5855] ip6_output+0x337/0x540 [ 65.098484][ T5855] ndisc_send_skb+0xcb2/0x1650 [ 65.103238][ T5855] addrconf_dad_completed+0x911/0xe60 [ 65.108591][ T5855] addrconf_dad_work+0xcf8/0x15c0 [ 65.113591][ T5855] process_scheduled_works+0xa8e/0x14e0 [ 65.119115][ T5855] worker_thread+0xa47/0xfb0 [ 65.123690][ T5855] kthread+0x388/0x470 [ 65.127735][ T5855] page last free pid 5625 tgid 5622 stack trace: [ 65.134040][ T5855] __free_frozen_pages+0xc0d/0xd20 [ 65.139133][ T5855] __slab_free+0x274/0x2c0 [ 65.143531][ T5855] qlist_free_all+0x99/0x100 [ 65.148100][ T5855] kasan_quarantine_reduce+0x148/0x160 [ 65.153536][ T5855] __kasan_slab_alloc+0x22/0x80 [ 65.158371][ T5855] kmem_cache_alloc_node_noprof+0x380/0x680 [ 65.164245][ T5855] __alloc_skb+0x1d7/0x7a0 [ 65.168644][ T5855] tcp_stream_alloc_skb+0x3f/0x580 [ 65.173742][ T5855] tcp_sendmsg_locked+0x1437/0x55c0 [ 65.178919][ T5855] tcp_sendmsg+0x2f/0x50 [ 65.183144][ T5855] sock_write_iter+0x313/0x4c0 [ 65.187888][ T5855] vfs_write+0x612/0xba0 [ 65.192121][ T5855] ksys_write+0x150/0x270 [ 65.196431][ T5855] do_syscall_64+0x174/0x580 [ 65.201002][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.206877][ T5855] [ 65.209179][ T5855] Memory state around the buggy address: [ 65.214784][ T5855] ffff888036863700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 65.222820][ T5855] ffff888036863780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 65.230856][ T5855] >ffff888036863800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 65.238890][ T5855] ^ [ 65.244233][ T5855] ffff888036863880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 65.252271][ T5855] ffff888036863900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 65.260308][ T5855] ================================================================== [ 65.274279][ T5855] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 65.281514][ T5855] CPU: 1 UID: 0 PID: 5855 Comm: syz.0.23 Not tainted syzkaller #0 PREEMPT(full) [ 65.290620][ T5855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 65.300667][ T5855] Call Trace: [ 65.303930][ T5855] [ 65.306843][ T5855] vpanic+0x56c/0xa60 [ 65.310810][ T5855] ? __pfx_vpanic+0x10/0x10 [ 65.315293][ T5855] ? rcu_is_watching+0x15/0xb0 [ 65.320037][ T5855] panic+0xc5/0xd0 [ 65.323744][ T5855] ? __pfx_panic+0x10/0x10 [ 65.328141][ T5855] ? preempt_schedule_thunk+0x16/0x40 [ 65.333503][ T5855] ? preempt_schedule_thunk+0x16/0x40 [ 65.338857][ T5855] ? __sk_msg_recvmsg+0x8d3/0xf30 [ 65.343870][ T5855] check_panic_on_warn+0x89/0xb0 [ 65.348787][ T5855] ? __sk_msg_recvmsg+0x8d3/0xf30 [ 65.353791][ T5855] end_report+0x73/0x170 [ 65.358019][ T5855] ? __sk_msg_recvmsg+0x8d3/0xf30 [ 65.363023][ T5855] kasan_report+0x128/0x150 [ 65.367512][ T5855] ? rcu_is_watching+0x15/0xb0 [ 65.372256][ T5855] ? __sk_msg_recvmsg+0x8d3/0xf30 [ 65.377264][ T5855] __sk_msg_recvmsg+0x8d3/0xf30 [ 65.382097][ T5855] ? sk_psock_get+0x7a/0x440 [ 65.386674][ T5855] udp_bpf_recvmsg+0x18b/0xa90 [ 65.391420][ T5855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.397469][ T5855] ? aa_sk_perm+0x6d5/0x900 [ 65.401962][ T5855] ? __pfx_udp_bpf_recvmsg+0x10/0x10 [ 65.407235][ T5855] ? sock_rps_record_flow+0x19/0x350 [ 65.412499][ T5855] ? inet_recvmsg+0x101/0x120 [ 65.417157][ T5855] ? __pfx_inet_recvmsg+0x10/0x10 [ 65.422164][ T5855] sock_recvmsg+0x155/0x1b0 [ 65.426825][ T5855] ____sys_recvmsg+0x1e6/0x4a0 [ 65.431577][ T5855] ? __pfx_____sys_recvmsg+0x10/0x10 [ 65.436852][ T5855] ? import_iovec+0x73/0xa0 [ 65.441358][ T5855] ___sys_recvmsg+0x213/0x5a0 [ 65.446023][ T5855] ? __pfx____sys_recvmsg+0x10/0x10 [ 65.451208][ T5855] ? __fget_files+0x2a/0x420 [ 65.455782][ T5855] ? rcu_is_watching+0x15/0xb0 [ 65.460530][ T5855] ? __fget_files+0x3a2/0x420 [ 65.465190][ T5855] do_recvmmsg+0x31a/0x7f0 [ 65.469605][ T5855] ? __might_fault+0xcb/0x130 [ 65.474264][ T5855] ? __pfx_do_recvmmsg+0x10/0x10 [ 65.479187][ T5855] ? do_futex+0x3e7/0x4e0 [ 65.483504][ T5855] __x64_sys_recvmmsg+0x198/0x250 [ 65.488511][ T5855] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 65.494042][ T5855] ? rcu_is_watching+0x15/0xb0 [ 65.498788][ T5855] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.504833][ T5855] do_syscall_64+0x174/0x580 [ 65.509409][ T5855] ? trace_irq_disable+0x3b/0x140 [ 65.514419][ T5855] ? clear_bhb_loop+0x40/0x90 [ 65.519083][ T5855] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.524958][ T5855] RIP: 0033:0x7fea5339ce59 [ 65.529354][ T5855] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 65.548947][ T5855] RSP: 002b:00007fea5430f028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 65.557365][ T5855] RAX: ffffffffffffffda RBX: 00007fea53616090 RCX: 00007fea5339ce59 [ 65.565323][ T5855] RDX: 0000000000000012 RSI: 0000200000000400 RDI: 0000000000000004 [ 65.573287][ T5855] RBP: 00007fea53432e6f R08: 0000000000000000 R09: 0000000000000000 [ 65.581255][ T5855] R10: 0000000040000021 R11: 0000000000000246 R12: 0000000000000000 [ 65.589648][ T5855] R13: 00007fea53616128 R14: 00007fea53616090 R15: 00007ffdc785d178 [ 65.597635][ T5855] [ 65.600882][ T5855] Kernel Offset: disabled [ 65.605279][ T5855] Rebooting in 86400 seconds..