Warning: Permanently added '10.128.0.166' (ED25519) to the list of known hosts. [ 43.575934][ T4024] chnl_net:caif_netlink_parms(): no params data found [ 43.612182][ T4024] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.614283][ T4024] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.616789][ T4024] device bridge_slave_0 entered promiscuous mode [ 43.621073][ T4024] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.623036][ T4024] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.626133][ T4024] device bridge_slave_1 entered promiscuous mode [ 43.642107][ T4024] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.646615][ T4024] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.661109][ T4024] team0: Port device team_slave_0 added [ 43.665644][ T4024] team0: Port device team_slave_1 added [ 43.678218][ T4024] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.680161][ T4024] 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 1560 would solve the problem. [ 43.687626][ T4024] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.692178][ T4024] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.694258][ T4024] 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 1560 would solve the problem. [ 43.701304][ T4024] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.766083][ T4024] device hsr_slave_0 entered promiscuous mode [ 43.804365][ T4024] device hsr_slave_1 entered promiscuous mode [ 43.914582][ T4024] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.956635][ T4024] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.985790][ T4024] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.035826][ T4024] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.100464][ T4024] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.102561][ T4024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.105022][ T4024] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.106982][ T4024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.141017][ T4024] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.152488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.156345][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.159661][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.162524][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.170159][ T4024] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.176461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.179316][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.181319][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.186725][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.189372][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.191268][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.203001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.207743][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.213555][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.220875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.228799][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.233415][ T4024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.245316][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.247512][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.254440][ T4024] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.267798][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.280410][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.283434][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.286415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.290525][ T4024] device veth0_vlan entered promiscuous mode [ 44.297867][ T4024] device veth1_vlan entered promiscuous mode [ 44.312787][ T4024] device veth0_macvtap entered promiscuous mode [ 44.317185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.319729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.322463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.326207][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.332374][ T4024] device veth1_macvtap entered promiscuous mode [ 44.343329][ T4024] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.346498][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.353269][ T4024] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.355956][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.360655][ T4024] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.363155][ T4024] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.365834][ T4024] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.368174][ T4024] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 44.403354][ T4033] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready executing program executing program [ 44.425767][ T4035] ================================================================== [ 44.428184][ T4035] BUG: KASAN: use-after-free in ax25_fillin_cb+0x394/0x568 [ 44.430102][ T4035] Read of size 4 at addr ffff0000c19cb838 by task syz-executor395/4035 [ 44.432307][ T4035] [ 44.432920][ T4035] CPU: 0 PID: 4035 Comm: syz-executor395 Not tainted 5.15.184-syzkaller #0 [ 44.435141][ T4035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.437825][ T4035] Call trace: [ 44.438682][ T4035] dump_backtrace+0x0/0x43c [ 44.439867][ T4035] show_stack+0x2c/0x3c [ 44.440951][ T4035] __dump_stack+0x30/0x40 [ 44.442077][ T4035] dump_stack_lvl+0xf8/0x160 [ 44.443299][ T4035] print_address_description+0x78/0x30c [ 44.444809][ T4035] kasan_report+0xec/0x15c [ 44.446012][ T4035] __asan_report_load4_noabort+0x44/0x50 [ 44.447505][ T4035] ax25_fillin_cb+0x394/0x568 [ 44.448788][ T4035] ax25_setsockopt+0x8d0/0xa5c [ 44.450093][ T4035] __sys_setsockopt+0x2f8/0x4b0 [ 44.451356][ T4035] __arm64_sys_setsockopt+0xb8/0xd4 [ 44.452732][ T4035] invoke_syscall+0x98/0x2b8 [ 44.454015][ T4035] el0_svc_common+0x138/0x258 [ 44.455235][ T4035] do_el0_svc+0x58/0x14c [ 44.456326][ T4035] el0_svc+0x78/0x1e0 [ 44.457389][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 44.458774][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 44.460008][ T4035] [ 44.460641][ T4035] Allocated by task 4033: [ 44.461799][ T4035] __kasan_kmalloc+0xb0/0xf0 [ 44.463044][ T4035] kmem_cache_alloc_trace+0x274/0x3fc [ 44.464509][ T4035] ax25_dev_device_up+0x5c/0x540 [ 44.465835][ T4035] ax25_device_event+0x504/0x590 [ 44.467170][ T4035] raw_notifier_call_chain+0xd4/0x164 [ 44.468589][ T4035] __dev_notify_flags+0x250/0x46c [ 44.469911][ T4035] dev_change_flags+0xc8/0x154 [ 44.471141][ T4035] dev_ifsioc+0x504/0xef4 [ 44.472307][ T4035] dev_ioctl+0x4d0/0xc94 [ 44.473423][ T4035] sock_do_ioctl+0x18c/0x240 [ 44.474602][ T4035] sock_ioctl+0x5c8/0x87c [ 44.475739][ T4035] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.477090][ T4035] invoke_syscall+0x98/0x2b8 [ 44.478324][ T4035] el0_svc_common+0x138/0x258 [ 44.479598][ T4035] do_el0_svc+0x58/0x14c [ 44.480769][ T4035] el0_svc+0x78/0x1e0 [ 44.481893][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 44.483286][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 44.484547][ T4035] [ 44.485186][ T4035] Freed by task 4034: [ 44.486236][ T4035] kasan_set_track+0x4c/0x84 [ 44.487475][ T4035] kasan_set_free_info+0x28/0x4c [ 44.488827][ T4035] ____kasan_slab_free+0x118/0x164 [ 44.490275][ T4035] __kasan_slab_free+0x18/0x28 [ 44.491553][ T4035] slab_free_freelist_hook+0x128/0x1e8 [ 44.493022][ T4035] kfree+0x170/0x40c [ 44.494059][ T4035] ax25_release+0x564/0x814 [ 44.495304][ T4035] sock_close+0xb4/0x1f8 [ 44.496401][ T4035] __fput+0x1c0/0x7f8 [ 44.497465][ T4035] ____fput+0x20/0x30 [ 44.498490][ T4035] task_work_run+0x12c/0x1e0 [ 44.499746][ T4035] do_notify_resume+0x24b4/0x3128 [ 44.501123][ T4035] el0_svc+0xf0/0x1e0 [ 44.502282][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 44.503701][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 44.504939][ T4035] [ 44.505554][ T4035] The buggy address belongs to the object at ffff0000c19cb800 [ 44.505554][ T4035] which belongs to the cache kmalloc-256 of size 256 [ 44.509472][ T4035] The buggy address is located 56 bytes inside of [ 44.509472][ T4035] 256-byte region [ffff0000c19cb800, ffff0000c19cb900) [ 44.513064][ T4035] The buggy address belongs to the page: [ 44.514606][ T4035] page:00000000b9b01f7d refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1019ca [ 44.517447][ T4035] head:00000000b9b01f7d order:1 compound_mapcount:0 [ 44.519191][ T4035] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 44.521402][ T4035] raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0002480 [ 44.523766][ T4035] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 44.526100][ T4035] page dumped because: kasan: bad access detected [ 44.527849][ T4035] [ 44.528503][ T4035] Memory state around the buggy address: [ 44.530044][ T4035] ffff0000c19cb700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.532262][ T4035] ffff0000c19cb780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.534437][ T4035] >ffff0000c19cb800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.537054][ T4035] ^ [ 44.538642][ T4035] ffff0000c19cb880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.540828][ T4035] ffff0000c19cb900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.543020][ T4035] ================================================================== [ 44.545190][ T4035] Disabling lock debugging due to kernel taint [ 44.548696][ T4035] Unable to handle kernel paging request at virtual address abc002af0000156a [ 44.551057][ T4035] Mem abort info: [ 44.551964][ T4035] ESR = 0x0000000096000021 [ 44.554293][ T4035] EC = 0x25: DABT (current EL), IL = 32 bits [ 44.555955][ T4035] SET = 0, FnV = 0 [ 44.557038][ T4035] EA = 0, S1PTW = 0 [ 44.558113][ T4035] FSC = 0x21: alignment fault [ 44.559412][ T4035] Data abort info: [ 44.560375][ T4035] ISV = 0, ISS = 0x00000021 [ 44.561570][ T4035] CM = 0, WnR = 0 [ 44.562563][ T4035] [abc002af0000156a] address between user and kernel address ranges [ 44.564876][ T4035] Internal error: Oops: 0000000096000021 [#1] PREEMPT SMP [ 44.566762][ T4035] Modules linked in: [ 44.567787][ T4035] CPU: 0 PID: 4035 Comm: syz-executor395 Tainted: G B 5.15.184-syzkaller #0 [ 44.570414][ T4035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.573080][ T4035] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.575151][ T4035] pc : ax25_release+0x4f4/0x814 [ 44.576408][ T4035] lr : ax25_release+0x4ec/0x814 [ 44.577684][ T4035] sp : ffff80001f5b7a00 [ 44.578817][ T4035] x29: ffff80001f5b7a20 x28: dfff800000000000 x27: ffff0000da48f080 [ 44.580999][ T4035] x26: ffff0000c8cbf828 x25: 0000000000000002 x24: 00000000ffffffff [ 44.583158][ T4035] x23: abc002af0000156a x22: ffff0000c19cb800 x21: ffff0000e2056018 [ 44.585342][ T4035] x20: ffff0000da48f000 x19: 1fffe00019197f05 x18: 0000000000000000 [ 44.587507][ T4035] x17: 0000000000000000 x16: ffff8000082d4b38 x15: 0000000000000002 [ 44.589681][ T4035] x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 [ 44.591888][ T4035] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800010448c94 [ 44.594002][ T4035] x8 : ffff0000c18b51c0 x7 : 0000000000000000 x6 : ffff80000837a0a0 [ 44.596098][ T4035] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800010448c88 [ 44.598227][ T4035] x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 [ 44.600431][ T4035] Call trace: [ 44.601316][ T4035] ax25_release+0x4f4/0x814 [ 44.602479][ T4035] sock_close+0xb4/0x1f8 [ 44.603675][ T4035] __fput+0x1c0/0x7f8 [ 44.604730][ T4035] ____fput+0x20/0x30 [ 44.605786][ T4035] task_work_run+0x12c/0x1e0 [ 44.607016][ T4035] do_notify_resume+0x24b4/0x3128 [ 44.608338][ T4035] el0_svc+0xf0/0x1e0 [ 44.609354][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 44.610740][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 44.611986][ T4035] Code: d503201f 9600bf1c 52800038 4b1803f8 (b87802f8) [ 44.613821][ T4035] ---[ end trace 46178174a5f415e0 ]--- [ 44.916437][ T4035] Kernel panic - not syncing: Oops: Fatal exception [ 44.918295][ T4035] SMP: stopping secondary CPUs [ 44.919638][ T4035] Kernel Offset: disabled [ 44.920805][ T4035] CPU features: 0x8,000081c1,21302e40 [ 44.922231][ T4035] Memory Limit: none [ 45.199150][ T4035] Rebooting in 86400 seconds..