Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. [ 42.932595][ T4023] chnl_net:caif_netlink_parms(): no params data found [ 42.970162][ T4023] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.972264][ T4023] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.974857][ T4023] device bridge_slave_0 entered promiscuous mode [ 42.979386][ T4023] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.981378][ T4023] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.983926][ T4023] device bridge_slave_1 entered promiscuous mode [ 42.999957][ T4023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.004395][ T4023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.020353][ T4023] team0: Port device team_slave_0 added [ 43.023760][ T4023] team0: Port device team_slave_1 added [ 43.037539][ T4023] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.039502][ 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. [ 43.046907][ T4023] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.051670][ T4023] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.053579][ 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. [ 43.061132][ T4023] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.117835][ T4023] device hsr_slave_0 entered promiscuous mode [ 43.155840][ T4023] device hsr_slave_1 entered promiscuous mode [ 43.269394][ T4023] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.328207][ T4023] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.377939][ T4023] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.417654][ T4023] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.481258][ T4023] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.483346][ T4023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.485731][ T4023] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.487670][ T4023] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.524478][ T4023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.534526][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.539119][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.542506][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.545378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.554393][ T4023] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.560412][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.563040][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.564995][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.570296][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.572834][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.574789][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.586293][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.589740][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.594661][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.602031][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.608302][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.612811][ T4023] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.625088][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.627734][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.633756][ T4023] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.647617][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.659599][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.662647][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.665120][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.670743][ T4023] device veth0_vlan entered promiscuous mode [ 43.679047][ T4023] device veth1_vlan entered promiscuous mode [ 43.692834][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.696850][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.699691][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.704402][ T4023] device veth0_macvtap entered promiscuous mode [ 43.709056][ T4023] device veth1_macvtap entered promiscuous mode [ 43.719686][ T4023] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.721841][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.725217][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.730899][ T4023] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.733164][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.738890][ T4023] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.741327][ T4023] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.743643][ T4023] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.746571][ T4023] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 43.780701][ T4032] IPv6: ADDRCONF(NETDEV_CHANGE): bpq0: link becomes ready executing program executing program [ 43.802391][ T4034] ================================================================== [ 43.804664][ T4034] BUG: KASAN: use-after-free in ax25_fillin_cb+0x394/0x568 [ 43.806585][ T4034] Read of size 4 at addr ffff0000c1d77838 by task syz-executor590/4034 [ 43.808777][ T4034] [ 43.809392][ T4034] CPU: 1 PID: 4034 Comm: syz-executor590 Not tainted 5.15.185-syzkaller #0 [ 43.811706][ T4034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.814469][ T4034] Call trace: [ 43.815348][ T4034] dump_backtrace+0x0/0x43c [ 43.816578][ T4034] show_stack+0x2c/0x3c [ 43.817697][ T4034] __dump_stack+0x30/0x40 [ 43.818864][ T4034] dump_stack_lvl+0xf8/0x160 [ 43.820090][ T4034] print_address_description+0x78/0x30c [ 43.821644][ T4034] kasan_report+0xec/0x15c [ 43.822795][ T4034] __asan_report_load4_noabort+0x44/0x50 [ 43.824304][ T4034] ax25_fillin_cb+0x394/0x568 [ 43.825574][ T4034] ax25_setsockopt+0x8d0/0xa5c [ 43.826822][ T4034] __sys_setsockopt+0x2f8/0x4b0 [ 43.828151][ T4034] __arm64_sys_setsockopt+0xb8/0xd4 [ 43.829528][ T4034] invoke_syscall+0x98/0x2b8 [ 43.830754][ T4034] el0_svc_common+0x138/0x258 [ 43.831987][ T4034] do_el0_svc+0x58/0x14c [ 43.833176][ T4034] el0_svc+0x78/0x1e0 [ 43.834246][ T4034] el0t_64_sync_handler+0xcc/0xe4 [ 43.835642][ T4034] el0t_64_sync+0x1a0/0x1a4 [ 43.836869][ T4034] [ 43.837485][ T4034] Allocated by task 4032: [ 43.838605][ T4034] __kasan_kmalloc+0xb0/0xf0 [ 43.839849][ T4034] kmem_cache_alloc_trace+0x274/0x3fc [ 43.841279][ T4034] ax25_dev_device_up+0x5c/0x540 [ 43.842635][ T4034] ax25_device_event+0x504/0x590 [ 43.843941][ T4034] raw_notifier_call_chain+0xd4/0x164 [ 43.845418][ T4034] __dev_notify_flags+0x250/0x46c [ 43.846817][ T4034] dev_change_flags+0xc8/0x154 [ 43.848174][ T4034] dev_ifsioc+0x504/0xef4 [ 43.849384][ T4034] dev_ioctl+0x4d0/0xc94 [ 43.850512][ T4034] sock_do_ioctl+0x18c/0x240 [ 43.851726][ T4034] sock_ioctl+0x5c8/0x87c [ 43.852950][ T4034] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.854299][ T4034] invoke_syscall+0x98/0x2b8 [ 43.855525][ T4034] el0_svc_common+0x138/0x258 [ 43.856763][ T4034] do_el0_svc+0x58/0x14c [ 43.858072][ T4034] el0_svc+0x78/0x1e0 [ 43.859176][ T4034] el0t_64_sync_handler+0xcc/0xe4 [ 43.860517][ T4034] el0t_64_sync+0x1a0/0x1a4 [ 43.861751][ T4034] [ 43.862377][ T4034] Freed by task 4033: [ 43.863486][ T4034] kasan_set_track+0x4c/0x84 [ 43.864777][ T4034] kasan_set_free_info+0x28/0x4c [ 43.866080][ T4034] ____kasan_slab_free+0x118/0x164 [ 43.867504][ T4034] __kasan_slab_free+0x18/0x28 [ 43.868762][ T4034] slab_free_freelist_hook+0x128/0x1e8 [ 43.870275][ T4034] kfree+0x170/0x40c [ 43.871365][ T4034] ax25_release+0x564/0x814 [ 43.872570][ T4034] sock_close+0xb4/0x1f8 [ 43.873681][ T4034] __fput+0x1c0/0x7f8 [ 43.874845][ T4034] ____fput+0x20/0x30 [ 43.875937][ T4034] task_work_run+0x12c/0x1e0 [ 43.877169][ T4034] do_notify_resume+0x24b4/0x3128 [ 43.878535][ T4034] el0_svc+0xf0/0x1e0 [ 43.879592][ T4034] el0t_64_sync_handler+0xcc/0xe4 [ 43.880977][ T4034] el0t_64_sync+0x1a0/0x1a4 [ 43.882193][ T4034] [ 43.882833][ T4034] The buggy address belongs to the object at ffff0000c1d77800 [ 43.882833][ T4034] which belongs to the cache kmalloc-256 of size 256 [ 43.886641][ T4034] The buggy address is located 56 bytes inside of [ 43.886641][ T4034] 256-byte region [ffff0000c1d77800, ffff0000c1d77900) [ 43.890197][ T4034] The buggy address belongs to the page: [ 43.891722][ T4034] page:000000002a554eb4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101d76 [ 43.894536][ T4034] head:000000002a554eb4 order:1 compound_mapcount:0 [ 43.896338][ T4034] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 43.898535][ T4034] raw: 05ffc00000010200 dead000000000100 dead000000000122 ffff0000c0002480 [ 43.900871][ T4034] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 43.903209][ T4034] page dumped because: kasan: bad access detected [ 43.905001][ T4034] [ 43.905613][ T4034] Memory state around the buggy address: [ 43.907147][ T4034] ffff0000c1d77700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.909339][ T4034] ffff0000c1d77780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.911503][ T4034] >ffff0000c1d77800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.913699][ T4034] ^ [ 43.915402][ T4034] ffff0000c1d77880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.917672][ T4034] ffff0000c1d77900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 43.919936][ T4034] ================================================================== [ 43.922127][ T4034] Disabling lock debugging due to kernel taint [ 43.927578][ T4034] Unable to handle kernel paging request at virtual address d88002b100001569 [ 43.930623][ T4034] Mem abort info: [ 43.931642][ T4034] ESR = 0x0000000096000021 [ 43.932798][ T4034] EC = 0x25: DABT (current EL), IL = 32 bits [ 43.934486][ T4034] SET = 0, FnV = 0 [ 43.936485][ T4034] EA = 0, S1PTW = 0 [ 43.937568][ T4034] FSC = 0x21: alignment fault [ 43.938866][ T4034] Data abort info: [ 43.939798][ T4034] ISV = 0, ISS = 0x00000021 [ 43.941042][ T4034] CM = 0, WnR = 0 [ 43.942053][ T4034] [d88002b100001569] address between user and kernel address ranges [ 43.944076][ T4034] Internal error: Oops: 0000000096000021 [#1] PREEMPT SMP [ 43.945956][ T4034] Modules linked in: [ 43.947074][ T4034] CPU: 1 PID: 4034 Comm: syz-executor590 Tainted: G B 5.15.185-syzkaller #0 [ 43.949802][ T4034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.952517][ T4034] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.954580][ T4034] pc : ax25_release+0x4f4/0x814 [ 43.955845][ T4034] lr : ax25_release+0x4ec/0x814 [ 43.957148][ T4034] sp : ffff80001f157a00 [ 43.958327][ T4034] x29: ffff80001f157a20 x28: dfff800000000000 x27: ffff0000c86b0080 [ 43.960439][ T4034] x26: ffff0000db12f828 x25: 0000000000000002 x24: 00000000ffffffff [ 43.962554][ T4034] x23: d88002b100001569 x22: ffff0000c1d77800 x21: ffff0000e244f818 [ 43.964711][ T4034] x20: ffff0000c86b0000 x19: 1fffe0001b625f05 x18: 0000000000000000 [ 43.966890][ T4034] x17: 0000000000000000 x16: ffff8000082d4c48 x15: 0000000000000002 [ 43.969001][ T4034] x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 [ 43.971228][ T4034] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80001044cac4 [ 43.973326][ T4034] x8 : ffff0000c8bf9b40 x7 : 0000000000000000 x6 : ffff80000837a1b0 [ 43.975476][ T4034] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001044cab8 [ 43.977719][ T4034] x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 [ 43.979862][ T4034] Call trace: [ 43.980734][ T4034] ax25_release+0x4f4/0x814 [ 43.981923][ T4034] sock_close+0xb4/0x1f8 [ 43.983133][ T4034] __fput+0x1c0/0x7f8 [ 43.984220][ T4034] ____fput+0x20/0x30 [ 43.985299][ T4034] task_work_run+0x12c/0x1e0 [ 43.986505][ T4034] do_notify_resume+0x24b4/0x3128 [ 43.987836][ T4034] el0_svc+0xf0/0x1e0 [ 43.988927][ T4034] el0t_64_sync_handler+0xcc/0xe4 [ 43.990319][ T4034] el0t_64_sync+0x1a0/0x1a4 [ 43.991514][ T4034] Code: d503201f 9600afd7 52800038 4b1803f8 (b87802f8) [ 43.993452][ T4034] ---[ end trace d87e36a1440729b0 ]--- [ 44.297136][ T4034] Kernel panic - not syncing: Oops: Fatal exception [ 44.298878][ T4034] SMP: stopping secondary CPUs [ 44.300284][ T4034] Kernel Offset: disabled [ 44.301381][ T4034] CPU features: 0x8,000081c1,21302e40 [ 44.302884][ T4034] Memory Limit: none [ 44.600016][ T4034] Rebooting in 86400 seconds..