Warning: Permanently added '10.128.0.153' (ED25519) to the list of known hosts. [ 42.910209][ T4023] chnl_net:caif_netlink_parms(): no params data found [ 42.950619][ T4023] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.954083][ T4023] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.956719][ T4023] device bridge_slave_0 entered promiscuous mode [ 42.961320][ T4023] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.963565][ T4023] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.966268][ T4023] device bridge_slave_1 entered promiscuous mode [ 42.983292][ T4023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.988003][ T4023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.004602][ T4023] team0: Port device team_slave_0 added [ 43.008130][ T4023] team0: Port device team_slave_1 added [ 43.021077][ T4023] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.023271][ T4023] 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. [ 43.030303][ T4023] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.035549][ T4023] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.037430][ T4023] 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. [ 43.044670][ T4023] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.124572][ T4023] device hsr_slave_0 entered promiscuous mode [ 43.162792][ T4023] device hsr_slave_1 entered promiscuous mode [ 43.275506][ T4023] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.325205][ T4023] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.364760][ T4023] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.415829][ T4023] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.499351][ T4023] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.501387][ T4023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.503843][ T4023] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.505767][ T4023] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.546215][ T4023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.553699][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.558405][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.561701][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.565208][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.572767][ T4023] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.578482][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.581184][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.583206][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.590958][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.594286][ T307] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.596250][ T307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.608589][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.611507][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.619588][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.626320][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.631883][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.636883][ T4023] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.650682][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.653639][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.660733][ T4023] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.673984][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.687303][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.690426][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.694312][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.698655][ T4023] device veth0_vlan entered promiscuous mode [ 43.706028][ T4023] device veth1_vlan entered promiscuous mode [ 43.720835][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.723759][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.726506][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.732020][ T4023] device veth0_macvtap entered promiscuous mode [ 43.737416][ T4023] device veth1_macvtap entered promiscuous mode [ 43.749921][ T4023] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.752618][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.756020][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.761655][ T4023] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.764541][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.769447][ T4023] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.771998][ T4023] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.774608][ T4023] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.777242][ T4023] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 43.819600][ T4033] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready executing program executing program [ 43.841766][ T4035] ================================================================== [ 43.844129][ T4035] BUG: KASAN: use-after-free in ax25_fillin_cb+0x394/0x568 [ 43.846138][ T4035] Read of size 4 at addr ffff0000c1c22038 by task syz-executor231/4035 [ 43.848353][ T4035] [ 43.848974][ T4035] CPU: 0 PID: 4035 Comm: syz-executor231 Not tainted 5.15.184-syzkaller #0 [ 43.851246][ T4035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.853883][ T4035] Call trace: [ 43.854801][ T4035] dump_backtrace+0x0/0x43c [ 43.856054][ T4035] show_stack+0x2c/0x3c [ 43.857130][ T4035] __dump_stack+0x30/0x40 [ 43.858236][ T4035] dump_stack_lvl+0xf8/0x160 [ 43.859504][ T4035] print_address_description+0x78/0x30c [ 43.860953][ T4035] kasan_report+0xec/0x15c [ 43.862213][ T4035] __asan_report_load4_noabort+0x44/0x50 [ 43.863694][ T4035] ax25_fillin_cb+0x394/0x568 [ 43.864992][ T4035] ax25_setsockopt+0x8d0/0xa5c [ 43.866297][ T4035] __sys_setsockopt+0x2f8/0x4b0 [ 43.867587][ T4035] __arm64_sys_setsockopt+0xb8/0xd4 [ 43.868969][ T4035] invoke_syscall+0x98/0x2b8 [ 43.870200][ T4035] el0_svc_common+0x138/0x258 [ 43.871515][ T4035] do_el0_svc+0x58/0x14c [ 43.872682][ T4035] el0_svc+0x78/0x1e0 [ 43.873710][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 43.875084][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 43.876297][ T4035] [ 43.876885][ T4035] Allocated by task 4033: [ 43.878030][ T4035] __kasan_kmalloc+0xb0/0xf0 [ 43.879240][ T4035] kmem_cache_alloc_trace+0x274/0x3fc [ 43.880758][ T4035] ax25_dev_device_up+0x5c/0x540 [ 43.882139][ T4035] ax25_device_event+0x504/0x590 [ 43.883447][ T4035] raw_notifier_call_chain+0xd4/0x164 [ 43.884913][ T4035] __dev_notify_flags+0x250/0x46c [ 43.886316][ T4035] dev_change_flags+0xc8/0x154 [ 43.887600][ T4035] dev_ifsioc+0x504/0xef4 [ 43.888837][ T4035] dev_ioctl+0x4d0/0xc94 [ 43.889927][ T4035] sock_do_ioctl+0x18c/0x240 [ 43.891165][ T4035] sock_ioctl+0x5c8/0x87c [ 43.892388][ T4035] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.893739][ T4035] invoke_syscall+0x98/0x2b8 [ 43.894974][ T4035] el0_svc_common+0x138/0x258 [ 43.896248][ T4035] do_el0_svc+0x58/0x14c [ 43.897445][ T4035] el0_svc+0x78/0x1e0 [ 43.898579][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 43.899973][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 43.901235][ T4035] [ 43.901866][ T4035] Freed by task 4034: [ 43.902918][ T4035] kasan_set_track+0x4c/0x84 [ 43.904198][ T4035] kasan_set_free_info+0x28/0x4c [ 43.905540][ T4035] ____kasan_slab_free+0x118/0x164 [ 43.906906][ T4035] __kasan_slab_free+0x18/0x28 [ 43.908180][ T4035] slab_free_freelist_hook+0x128/0x1e8 [ 43.909665][ T4035] kfree+0x170/0x40c [ 43.910709][ T4035] ax25_release+0x564/0x814 [ 43.911944][ T4035] sock_close+0xb4/0x1f8 [ 43.913111][ T4035] __fput+0x1c0/0x7f8 [ 43.914228][ T4035] ____fput+0x20/0x30 [ 43.915290][ T4035] task_work_run+0x12c/0x1e0 [ 43.916529][ T4035] do_notify_resume+0x24b4/0x3128 [ 43.917916][ T4035] el0_svc+0xf0/0x1e0 [ 43.919011][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 43.920407][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 43.921617][ T4035] [ 43.922256][ T4035] The buggy address belongs to the object at ffff0000c1c22000 [ 43.922256][ T4035] which belongs to the cache kmalloc-256 of size 256 [ 43.926016][ T4035] The buggy address is located 56 bytes inside of [ 43.926016][ T4035] 256-byte region [ffff0000c1c22000, ffff0000c1c22100) [ 43.929543][ T4035] The buggy address belongs to the page: [ 43.931153][ T4035] page:0000000001c1a3af refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101c22 [ 43.933963][ T4035] head:0000000001c1a3af order:1 compound_mapcount:0 [ 43.935733][ T4035] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 43.937888][ T4035] raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0002480 [ 43.940116][ T4035] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 43.942401][ T4035] page dumped because: kasan: bad access detected [ 43.944177][ T4035] [ 43.944846][ T4035] Memory state around the buggy address: [ 43.946345][ T4035] ffff0000c1c21f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.948560][ T4035] ffff0000c1c21f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.950761][ T4035] >ffff0000c1c22000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.953004][ T4035] ^ [ 43.954578][ T4035] ffff0000c1c22080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.956939][ T4035] ffff0000c1c22100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.959162][ T4035] ================================================================== [ 43.961367][ T4035] Disabling lock debugging due to kernel taint [ 43.968542][ T4035] Unable to handle kernel paging request at virtual address 9ce002ae0000156a [ 43.971711][ T4035] Mem abort info: [ 43.973029][ T4035] ESR = 0x0000000096000021 [ 43.974209][ T4035] EC = 0x25: DABT (current EL), IL = 32 bits [ 43.975842][ T4035] SET = 0, FnV = 0 [ 43.976830][ T4035] EA = 0, S1PTW = 0 [ 43.977944][ T4035] FSC = 0x21: alignment fault [ 43.979193][ T4035] Data abort info: [ 43.980247][ T4035] ISV = 0, ISS = 0x00000021 [ 43.981498][ T4035] CM = 0, WnR = 0 [ 43.982669][ T4035] [9ce002ae0000156a] address between user and kernel address ranges [ 43.984791][ T4035] Internal error: Oops: 0000000096000021 [#1] PREEMPT SMP [ 43.986592][ T4035] Modules linked in: [ 43.987576][ T4035] CPU: 0 PID: 4035 Comm: syz-executor231 Tainted: G B 5.15.184-syzkaller #0 [ 43.990218][ T4035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.992784][ T4035] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.994928][ T4035] pc : ax25_release+0x4f4/0x814 [ 43.996211][ T4035] lr : ax25_release+0x4ec/0x814 [ 43.997601][ T4035] sp : ffff80001f5b7a00 [ 43.998712][ T4035] x29: ffff80001f5b7a20 x28: dfff800000000000 x27: ffff0000c865e080 [ 44.000843][ T4035] x26: ffff0000da961028 x25: 0000000000000002 x24: 00000000ffffffff [ 44.003038][ T4035] x23: 9ce002ae0000156a x22: ffff0000c1c22000 x21: ffff0000de3f1e18 [ 44.005180][ T4035] x20: ffff0000c865e000 x19: 1fffe0001b52c205 x18: 0000000000000000 [ 44.007354][ T4035] x17: 0000000000000000 x16: ffff8000082d4b38 x15: 0000000000000002 [ 44.009539][ T4035] x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 [ 44.011734][ T4035] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800010448c94 [ 44.013884][ T4035] x8 : ffff0000d9e4b680 x7 : 0000000000000000 x6 : ffff80000837a0a0 [ 44.016147][ T4035] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800010448c88 [ 44.018257][ T4035] x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 [ 44.020357][ T4035] Call trace: [ 44.021226][ T4035] ax25_release+0x4f4/0x814 [ 44.022435][ T4035] sock_close+0xb4/0x1f8 [ 44.023568][ T4035] __fput+0x1c0/0x7f8 [ 44.024660][ T4035] ____fput+0x20/0x30 [ 44.025753][ T4035] task_work_run+0x12c/0x1e0 [ 44.027001][ T4035] do_notify_resume+0x24b4/0x3128 [ 44.028358][ T4035] el0_svc+0xf0/0x1e0 [ 44.029435][ T4035] el0t_64_sync_handler+0xcc/0xe4 [ 44.030776][ T4035] el0t_64_sync+0x1a0/0x1a4 [ 44.032057][ T4035] Code: d503201f 9600bf1c 52800038 4b1803f8 (b87802f8) [ 44.034032][ T4035] ---[ end trace 900d318c7c41f46e ]--- [ 44.396593][ T4035] Kernel panic - not syncing: Oops: Fatal exception [ 44.398738][ T4035] SMP: stopping secondary CPUs [ 44.400125][ T4035] Kernel Offset: disabled [ 44.401306][ T4035] CPU features: 0x8,000081c1,21302e40 [ 44.402749][ T4035] Memory Limit: none [ 44.734644][ T4035] Rebooting in 86400 seconds..