[ 36.000802][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.021952][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 43.971181][ T26] kauditd_printk_skb: 37 callbacks suppressed [ 43.971191][ T26] audit: type=1400 audit(1641371234.724:73): avc: denied { transition } for pid=3393 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 44.009781][ T26] audit: type=1400 audit(1641371234.754:74): avc: denied { write } for pid=3393 comm="sh" path="pipe:[26509]" dev="pipefs" ino=26509 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. 2022/01/05 08:27:23 parsed 1 programs [ 52.397971][ T26] audit: type=1400 audit(1641371243.144:75): avc: denied { getattr } for pid=3599 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 52.421708][ T26] audit: type=1400 audit(1641371243.144:76): avc: denied { read } for pid=3599 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 52.443386][ T26] audit: type=1400 audit(1641371243.144:77): avc: denied { open } for pid=3599 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 52.467165][ T26] audit: type=1400 audit(1641371243.144:78): avc: denied { read } for pid=3599 comm="syz-execprog" name="raw-gadget" dev="devtmpfs" ino=731 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 52.490613][ T26] audit: type=1400 audit(1641371243.144:79): avc: denied { open } for pid=3599 comm="syz-execprog" path="/dev/raw-gadget" dev="devtmpfs" ino=731 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 52.514924][ T26] audit: type=1400 audit(1641371243.174:80): avc: denied { read } for pid=3599 comm="syz-execprog" name="vhci" dev="devtmpfs" ino=1073 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 52.517703][ T3607] cgroup: Unknown subsys name 'net' [ 52.538259][ T26] audit: type=1400 audit(1641371243.174:81): avc: denied { open } for pid=3599 comm="syz-execprog" path="/dev/vhci" dev="devtmpfs" ino=1073 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 52.567255][ T26] audit: type=1400 audit(1641371243.244:82): avc: denied { mounton } for pid=3607 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 52.590194][ T26] audit: type=1400 audit(1641371243.244:83): avc: denied { mount } for pid=3607 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 52.612459][ T26] audit: type=1400 audit(1641371243.294:84): avc: denied { unmount } for pid=3607 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 52.776651][ T3607] cgroup: Unknown subsys name 'rlimit' 2022/01/05 08:27:23 executed programs: 0 [ 54.078471][ T3613] chnl_net:caif_netlink_parms(): no params data found [ 54.125016][ T3613] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.132597][ T3613] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.141038][ T3613] device bridge_slave_0 entered promiscuous mode [ 54.151302][ T3613] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.158430][ T3613] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.167271][ T3613] device bridge_slave_1 entered promiscuous mode [ 54.187956][ T3613] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.199029][ T3613] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.224094][ T3613] team0: Port device team_slave_0 added [ 54.231612][ T3613] team0: Port device team_slave_1 added [ 54.249267][ T3613] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.256397][ T3613] 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. [ 54.282465][ T3613] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.295062][ T3613] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.302136][ T3613] 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. [ 54.328157][ T3613] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.355998][ T3613] device hsr_slave_0 entered promiscuous mode [ 54.362903][ T3613] device hsr_slave_1 entered promiscuous mode [ 54.451741][ T3613] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.463121][ T3613] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.472406][ T3613] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.481837][ T3613] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.504531][ T3613] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.511711][ T3613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.519486][ T3613] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.526606][ T3613] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.572303][ T3613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.584393][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.595417][ T3621] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.604277][ T3621] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.613560][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.626676][ T3613] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.638218][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.646652][ T3621] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.653730][ T3621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.672794][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.681537][ T3621] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.688579][ T3621] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.708212][ T3613] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.719062][ T3613] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.733159][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.742309][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.750783][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.759433][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.778844][ T3613] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.788215][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.796404][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.803957][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.811998][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.833082][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.856163][ T3613] device veth0_vlan entered promiscuous mode [ 54.865857][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.874455][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.882731][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.897409][ T3613] device veth1_vlan entered promiscuous mode [ 54.922021][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.931025][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.939452][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.950692][ T3613] device veth0_macvtap entered promiscuous mode [ 54.964311][ T3613] device veth1_macvtap entered promiscuous mode [ 54.982551][ T3613] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.991916][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.003157][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.015163][ T3613] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.024610][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.036260][ T3613] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.045484][ T3613] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.054403][ T3613] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.063550][ T3613] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.128386][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.138508][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.152915][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.165398][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.173855][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.183049][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.070577][ T3624] Bluetooth: hci0: command 0x0409 tx timeout [ 56.185154][ C0] skbuff: skb_over_panic: text:ffffffff882348a8 len:4096 put:4096 head:ffff888070229c00 data:ffff888070229c00 tail:0x1000 end:0xc0 dev: [ 56.200570][ C0] ------------[ cut here ]------------ [ 56.206043][ C0] kernel BUG at net/core/skbuff.c:113! [ 56.211584][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 56.217659][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.16.0-rc8-syzkaller #0 [ 56.225909][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.235971][ C0] RIP: 0010:skb_panic+0x16c/0x16e [ 56.241034][ C0] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 c3 ac 8a ff 74 24 10 ff 74 24 20 e8 f6 0b c2 ff <0f> 0b e8 82 c5 37 f8 4c 8b 64 24 18 e8 58 f6 7d f8 48 c7 c1 80 d0 [ 56.260660][ C0] RSP: 0018:ffffc90000f3f9e0 EFLAGS: 00010286 [ 56.266739][ C0] RAX: 000000000000008b RBX: ffff888070228780 RCX: 0000000000000000 [ 56.274713][ C0] RDX: ffff888011c86040 RSI: ffffffff815e3a18 RDI: fffff520001e7f2e [ 56.282693][ C0] RBP: ffffffff8aacd0c0 R08: 000000000000008b R09: 0000000000000000 [ 56.290676][ C0] R10: ffffffff815dd7be R11: 0000000000000000 R12: ffffffff882348a8 [ 56.298656][ C0] R13: 0000000000001000 R14: ffffffff8aacc3a0 R15: 00000000000000c0 [ 56.306635][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 56.315581][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.322180][ C0] CR2: 00007fbfd717a718 CR3: 0000000071683000 CR4: 00000000003506f0 [ 56.330166][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.338148][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.346215][ C0] Call Trace: [ 56.349500][ C0] [ 56.352441][ C0] ? isotp_rcv+0xa38/0x1e30 [ 56.356992][ C0] skb_put.cold+0x24/0x24 [ 56.361347][ C0] isotp_rcv+0xa38/0x1e30 [ 56.365707][ C0] ? isotp_send_fc.isra.0+0xb20/0xb20 [ 56.371095][ C0] can_rcv_filter+0x445/0x8d0 [ 56.375792][ C0] can_receive+0x31d/0x580 [ 56.380226][ C0] can_rcv+0x120/0x1c0 [ 56.384304][ C0] ? can_receive+0x580/0x580 [ 56.388909][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 56.394823][ C0] ? __netif_receive_skb_core+0x3770/0x3770 [ 56.400733][ C0] ? process_backlog+0x12a/0x6c0 [ 56.405726][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 56.410593][ C0] ? find_held_lock+0x2d/0x110 [ 56.415373][ C0] __netif_receive_skb+0x24/0x1b0 [ 56.420440][ C0] process_backlog+0x2a5/0x6c0 [ 56.425220][ C0] __napi_poll+0xaf/0x440 [ 56.429581][ C0] net_rx_action+0x801/0xb40 [ 56.434302][ C0] ? napi_threaded_poll+0x520/0x520 [ 56.439524][ C0] ? trace_rcu_stall_warning+0x160/0x1b0 [ 56.445175][ C0] __do_softirq+0x29b/0x9c2 [ 56.449695][ C0] ? __irq_exit_rcu+0x180/0x180 [ 56.454558][ C0] run_ksoftirqd+0x2d/0x60 [ 56.458990][ C0] smpboot_thread_fn+0x645/0x9c0 [ 56.463943][ C0] ? __smpboot_create_thread.part.0+0x370/0x370 [ 56.470220][ C0] kthread+0x405/0x4f0 [ 56.474306][ C0] ? set_kthread_struct+0x130/0x130 [ 56.479523][ C0] ret_from_fork+0x1f/0x30 [ 56.483955][ C0] [ 56.486973][ C0] Modules linked in: [ 56.490982][ C0] ---[ end trace 136fbf23a81fa1f9 ]--- [ 56.496440][ C0] RIP: 0010:skb_panic+0x16c/0x16e [ 56.501507][ C0] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 c3 ac 8a ff 74 24 10 ff 74 24 20 e8 f6 0b c2 ff <0f> 0b e8 82 c5 37 f8 4c 8b 64 24 18 e8 58 f6 7d f8 48 c7 c1 80 d0 [ 56.521156][ C0] RSP: 0018:ffffc90000f3f9e0 EFLAGS: 00010286 [ 56.527249][ C0] RAX: 000000000000008b RBX: ffff888070228780 RCX: 0000000000000000 [ 56.535263][ C0] RDX: ffff888011c86040 RSI: ffffffff815e3a18 RDI: fffff520001e7f2e [ 56.543283][ C0] RBP: ffffffff8aacd0c0 R08: 000000000000008b R09: 0000000000000000 [ 56.551299][ C0] R10: ffffffff815dd7be R11: 0000000000000000 R12: ffffffff882348a8 [ 56.559291][ C0] R13: 0000000000001000 R14: ffffffff8aacc3a0 R15: 00000000000000c0 [ 56.567300][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 56.576266][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.582883][ C0] CR2: 00007fbfd717a718 CR3: 0000000071683000 CR4: 00000000003506f0 [ 56.590893][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.598873][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.606884][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 56.614331][ C0] Kernel Offset: disabled [ 56.618645][ C0] Rebooting in 86400 seconds..