Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. syzkaller login: [ 68.887461][ T6582] chnl_net:caif_netlink_parms(): no params data found [ 68.970189][ T6582] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.979726][ T6582] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.990314][ T6582] device bridge_slave_0 entered promiscuous mode [ 69.002192][ T6582] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.009690][ T6582] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.018729][ T6582] device bridge_slave_1 entered promiscuous mode [ 69.048303][ T6582] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.059249][ T6582] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.094818][ T6582] team0: Port device team_slave_0 added [ 69.103040][ T6582] team0: Port device team_slave_1 added [ 69.135932][ T6582] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.142923][ T6582] 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. [ 69.169440][ T6582] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.182993][ T6582] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.189961][ T6582] 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. [ 69.215926][ T6582] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.253938][ T6582] device hsr_slave_0 entered promiscuous mode [ 69.260595][ T6582] device hsr_slave_1 entered promiscuous mode [ 69.385833][ T6582] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.398656][ T6582] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.415023][ T6582] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.428975][ T6582] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.476534][ T6582] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.483836][ T6582] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.492207][ T6582] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.499406][ T6582] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.568939][ T6582] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.584221][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.596205][ T2949] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.605748][ T2949] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.614101][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.628353][ T6582] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.639564][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.649165][ T2371] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.656392][ T2371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.667450][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.677667][ T2949] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.684985][ T2949] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.704070][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.712967][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.732512][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.742053][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.750500][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.762846][ T6582] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.785244][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.793053][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.808225][ T6582] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.827951][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.848575][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.857037][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.865086][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.876209][ T6582] device veth0_vlan entered promiscuous mode [ 69.888947][ T6582] device veth1_vlan entered promiscuous mode [ 69.916074][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.925063][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.938286][ T6582] device veth0_macvtap entered promiscuous mode [ 69.948135][ T6582] device veth1_macvtap entered promiscuous mode [ 69.967017][ T6582] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.980521][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.989749][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.998899][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.008503][ T6901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.021189][ T6582] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.028642][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready executing program [ 70.037548][ T2371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.049360][ T6582] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.061264][ T6582] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.070078][ T6582] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.079810][ T6582] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.119793][ T6582] BUG: unable to handle page fault for address: fffff3008f71a93b [ 70.127691][ T6582] #PF: supervisor read access in kernel mode [ 70.133652][ T6582] #PF: error_code(0x0000) - not-present page [ 70.139605][ T6582] PGD 0 P4D 0 [ 70.142958][ T6582] Oops: 0000 [#1] PREEMPT SMP KASAN [ 70.148136][ T6582] CPU: 0 PID: 6582 Comm: syz-executor482 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 70.158175][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.168211][ T6582] RIP: 0010:cap_capable+0xa0/0x280 [ 70.173321][ T6582] Code: 0f 8e d3 01 00 00 41 8b ad e0 00 00 00 49 bc 00 00 00 00 00 fc ff df e8 8e a0 dc fd 48 8d bb e0 00 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e 64 01 00 00 44 8b bb e0 00 [ 70.193087][ T6582] RSP: 0018:ffffc900029cf9d8 EFLAGS: 00010a02 [ 70.199145][ T6582] RAX: 1ffff7008f71a93b RBX: ffffb8047b8d48f8 RCX: 0000000000000000 [ 70.207647][ T6582] RDX: ffff88807b5a9c80 RSI: ffffffff839917a2 RDI: ffffb8047b8d49d8 [ 70.215630][ T6582] RBP: 0000000000000000 R08: 0000000000000028 R09: ffffffff87f7b506 [ 70.223590][ T6582] R10: ffffffff8147425e R11: 00000000000089a2 R12: dffffc0000000000 [ 70.231816][ T6582] R13: ffffffff8b83eac0 R14: ffff888017831200 R15: ffff888017831200 [ 70.239781][ T6582] FS: 0000000002269300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.248726][ T6582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.255298][ T6582] CR2: fffff3008f71a93b CR3: 0000000070448000 CR4: 00000000001506f0 [ 70.263257][ T6582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.271208][ T6582] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.279159][ T6582] Call Trace: [ 70.282429][ T6582] security_capable+0x5c/0xc0 [ 70.287100][ T6582] ns_capable+0x6f/0x100 [ 70.291335][ T6582] ? virt_wifi_get_station+0x2c1/0x2c1 [ 70.296831][ T6582] add_del_if+0x9b/0x140 [ 70.301242][ T6582] br_ioctl_stub+0x1c6/0x7f0 [ 70.305915][ T6582] ? mutex_lock_io_nested+0x1160/0x1160 [ 70.311446][ T6582] ? br_dev_siocdevprivate+0x15c0/0x15c0 [ 70.317077][ T6582] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.323389][ T6582] ? full_name_hash+0xb5/0xf0 [ 70.328067][ T6582] ? br_dev_siocdevprivate+0x15c0/0x15c0 [ 70.333710][ T6582] br_ioctl_call+0x5e/0xa0 [ 70.338129][ T6582] dev_ifsioc+0xc1f/0xf60 [ 70.342441][ T6582] ? dev_load+0x79/0x200 [ 70.346671][ T6582] ? sock_diag_broadcast_destroy+0x1a0/0x1a0 [ 70.352652][ T6582] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.358886][ T6582] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.365110][ T6582] ? netdev_name_node_lookup_rcu+0x108/0x150 [ 70.371184][ T6582] dev_ioctl+0x1b9/0xee0 [ 70.375421][ T6582] sock_do_ioctl+0x18b/0x210 [ 70.379993][ T6582] ? put_user_ifreq+0x140/0x140 [ 70.384828][ T6582] sock_ioctl+0x2f1/0x640 [ 70.389138][ T6582] ? br_ioctl_call+0xa0/0xa0 [ 70.393711][ T6582] ? lock_downgrade+0x6e0/0x6e0 [ 70.398540][ T6582] ? lock_downgrade+0x6e0/0x6e0 [ 70.403395][ T6582] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.409630][ T6582] ? br_ioctl_call+0xa0/0xa0 [ 70.414201][ T6582] __x64_sys_ioctl+0x193/0x200 [ 70.419039][ T6582] do_syscall_64+0x35/0xb0 [ 70.423439][ T6582] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.429315][ T6582] RIP: 0033:0x4430a9 [ 70.433285][ T6582] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 70.452960][ T6582] RSP: 002b:00007ffe2e48ca18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.461541][ T6582] RAX: ffffffffffffffda RBX: 00007ffe2e48ca28 RCX: 00000000004430a9 [ 70.469490][ T6582] RDX: 0000000020000080 RSI: 00000000000089a2 RDI: 0000000000000003 [ 70.477453][ T6582] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 70.485401][ T6582] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe2e48ca30 [ 70.493366][ T6582] R13: 00007ffe2e48ca50 R14: 00000000004b8018 R15: 00000000004004b8 [ 70.501322][ T6582] Modules linked in: [ 70.505200][ T6582] CR2: fffff3008f71a93b [ 70.509328][ T6582] ---[ end trace c7ae6140dd45ed64 ]--- [ 70.514843][ T6582] RIP: 0010:cap_capable+0xa0/0x280 [ 70.520128][ T6582] Code: 0f 8e d3 01 00 00 41 8b ad e0 00 00 00 49 bc 00 00 00 00 00 fc ff df e8 8e a0 dc fd 48 8d bb e0 00 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e 64 01 00 00 44 8b bb e0 00 [ 70.539716][ T6582] RSP: 0018:ffffc900029cf9d8 EFLAGS: 00010a02 [ 70.545781][ T6582] RAX: 1ffff7008f71a93b RBX: ffffb8047b8d48f8 RCX: 0000000000000000 [ 70.553733][ T6582] RDX: ffff88807b5a9c80 RSI: ffffffff839917a2 RDI: ffffb8047b8d49d8 [ 70.561693][ T6582] RBP: 0000000000000000 R08: 0000000000000028 R09: ffffffff87f7b506 [ 70.569654][ T6582] R10: ffffffff8147425e R11: 00000000000089a2 R12: dffffc0000000000 [ 70.577611][ T6582] R13: ffffffff8b83eac0 R14: ffff888017831200 R15: ffff888017831200 [ 70.585562][ T6582] FS: 0000000002269300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.594491][ T6582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.601063][ T6582] CR2: fffff3008f71a93b CR3: 0000000070448000 CR4: 00000000001506f0 [ 70.609014][ T6582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.617143][ T6582] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.625196][ T6582] Kernel panic - not syncing: Fatal exception [ 70.632555][ T6582] Kernel Offset: disabled [ 70.636869][ T6582] Rebooting in 86400 seconds..