[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. syzkaller login: [ 53.655601][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 53.774858][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 53.817738][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.826849][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.835147][ T8502] device bridge_slave_0 entered promiscuous mode [ 53.844150][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.851331][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.859047][ T8502] device bridge_slave_1 entered promiscuous mode [ 53.875720][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.886413][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.906997][ T8502] team0: Port device team_slave_0 added [ 53.914287][ T8502] team0: Port device team_slave_1 added [ 53.928452][ T8502] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.935669][ T8502] 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. [ 53.961661][ T8502] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.974001][ T8502] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.980982][ T8502] 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. [ 54.007101][ T8502] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.031262][ T8502] device hsr_slave_0 entered promiscuous mode [ 54.037749][ T8502] device hsr_slave_1 entered promiscuous mode [ 54.112445][ T8502] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.121725][ T8502] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.130811][ T8502] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.140881][ T8502] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.161627][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.168742][ T8502] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.176276][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.183365][ T8502] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.218210][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.232073][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.242028][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.250801][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.258372][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.271065][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.280886][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.290313][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.297352][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.309004][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.317318][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.324398][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.340365][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.349308][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.360819][ T3644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.375531][ T8502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.387191][ T8502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.400232][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.408539][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.417356][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.436483][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.443974][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.451592][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.469587][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.489057][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.497255][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.506140][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.516848][ T8502] device veth0_vlan entered promiscuous mode [ 54.528063][ T8502] device veth1_vlan entered promiscuous mode [ 54.546071][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.554962][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.563341][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.574045][ T8502] device veth0_macvtap entered promiscuous mode [ 54.583871][ T8502] device veth1_macvtap entered promiscuous mode [ 54.598198][ T8502] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.605755][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.615011][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.625948][ T8502] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.633595][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.644502][ T8502] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.654031][ T8502] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.663006][ T8502] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.672212][ T8502] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.726454][ T1383] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.743944][ T1383] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.753553][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.764556][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 54.774627][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.784168][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.802540][ T8740] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 54.814526][ T8740] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 54.823483][ T8740] CPU: 1 PID: 8740 Comm: syz-executor710 Not tainted 5.10.0-rc7-syzkaller #0 [ 54.832223][ T8740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.842302][ T8740] RIP: 0010:call_commit_handler+0x8b/0x110 [ 54.848333][ T8740] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7d 48 8b 9d e0 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 75 73 48 b8 00 00 00 00 00 fc ff df 48 8b 1b 48 89 da [ 54.868451][ T8740] RSP: 0018:ffffc90001cdfca8 EFLAGS: 00010256 [ 54.874505][ T8740] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff88423e88 [ 54.882569][ T8740] RDX: 0000000000000000 RSI: ffffffff88423e95 RDI: ffff8880125981e0 [ 54.890635][ T8740] RBP: ffff888012598000 R08: 0000000000000000 R09: ffff888012598047 [ 54.898671][ T8740] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888012598040 [ 54.906636][ T8740] R13: ffffc90001cdfdb0 R14: ffff888012598000 R15: 0000000000000004 [ 54.914600][ T8740] FS: 00007fba094e6700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 54.923514][ T8740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.930506][ T8740] CR2: 00007f0a2f9716c0 CR3: 0000000011152000 CR4: 0000000000350ee0 [ 54.938455][ T8740] Call Trace: [ 54.941721][ T8740] ioctl_standard_call+0x1b8/0x1f0 [ 54.946801][ T8740] ? cfg80211_wext_freq+0x1b0/0x1b0 [ 54.952044][ T8740] ? iw_handler_get_private+0x1a0/0x1a0 [ 54.957560][ T8740] ? cfg80211_wext_freq+0x1b0/0x1b0 [ 54.962732][ T8740] wireless_process_ioctl+0xc8/0x4c0 [ 54.968010][ T8740] ? call_commit_handler+0x110/0x110 [ 54.973267][ T8740] wext_handle_ioctl+0x26b/0x280 [ 54.978174][ T8740] ? compat_standard_call+0x340/0x340 [ 54.983530][ T8740] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 54.989394][ T8740] ? generic_block_fiemap+0x60/0x60 [ 54.994575][ T8740] ? find_held_lock+0x2d/0x110 [ 54.999312][ T8740] sock_ioctl+0x439/0x730 [ 55.003609][ T8740] ? dlci_ioctl_set+0x30/0x30 [ 55.008254][ T8740] ? __fget_files+0x294/0x400 [ 55.012917][ T8740] ? bpf_lsm_file_ioctl+0x5/0x10 [ 55.017836][ T8740] ? dlci_ioctl_set+0x30/0x30 [ 55.022485][ T8740] __x64_sys_ioctl+0x193/0x200 [ 55.027233][ T8740] do_syscall_64+0x2d/0x70 [ 55.031635][ T8740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.037495][ T8740] RIP: 0033:0x44a359 [ 55.041360][ T8740] Code: e8 9c 19 03 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.060934][ T8740] RSP: 002b:00007fba094e5cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.069319][ T8740] RAX: ffffffffffffffda RBX: 00000000006e1c58 RCX: 000000000044a359 [ 55.077260][ T8740] RDX: 00000000200002c0 RSI: 0000000000008b04 RDI: 0000000000000008 [ 55.085215][ T8740] RBP: 00000000006e1c50 R08: 0000000000000000 R09: 0000000000000000 [ 55.093160][ T8740] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e1c5c [ 55.101100][ T8740] R13: 00007ffd3f85458f R14: 00007fba094e69c0 R15: 00000000006e1c5c [ 55.109041][ T8740] Modules linked in: [ 55.114795][ T8740] ---[ end trace d90c7a608615e36b ]--- [ 55.123262][ T8740] RIP: 0010:call_commit_handler+0x8b/0x110 [ 55.129775][ T8740] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7d 48 8b 9d e0 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 75 73 48 b8 00 00 00 00 00 fc ff df 48 8b 1b 48 89 da [ 55.149955][ T8740] RSP: 0018:ffffc90001cdfca8 EFLAGS: 00010256 [ 55.156443][ T8740] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff88423e88 [ 55.164524][ T8740] RDX: 0000000000000000 RSI: ffffffff88423e95 RDI: ffff8880125981e0 [ 55.172668][ T8740] RBP: ffff888012598000 R08: 0000000000000000 R09: ffff888012598047 [ 55.180726][ T8740] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888012598040 [ 55.188867][ T8740] R13: ffffc90001cdfdb0 R14: ffff888012598000 R15: 0000000000000004 [ 55.196833][ T8740] FS: 00007fba094e6700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 55.206478][ T8740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.213117][ T8740] CR2: 00007f0ffc03e0d8 CR3: 0000000011152000 CR4: 0000000000350ee0 [ 55.221146][ T8740] Kernel panic - not syncing: Fatal exception [ 55.230738][ T8740] Kernel Offset: disabled [ 55.235056][ T8740] Rebooting in 86400 seconds..