[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. 2021/09/03 04:38:27 parsed 1 programs 2021/09/03 04:38:28 executed programs: 0 syzkaller login: [ 70.604419][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 70.663220][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.672103][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.681072][ T8474] device bridge_slave_0 entered promiscuous mode [ 70.694511][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.702568][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.711218][ T8474] device bridge_slave_1 entered promiscuous mode [ 70.732132][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.743255][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.767976][ T8474] team0: Port device team_slave_0 added [ 70.776673][ T8474] team0: Port device team_slave_1 added [ 70.794335][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.801581][ T8474] 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. [ 70.827793][ T8474] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.842509][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.849583][ T8474] 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. [ 70.875672][ T8474] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.901861][ T8474] device hsr_slave_0 entered promiscuous mode [ 70.908595][ T8474] device hsr_slave_1 entered promiscuous mode [ 71.009523][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.020056][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.037170][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.047537][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.070444][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.077629][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.085741][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.092824][ T8474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.138250][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.150650][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.162870][ T8693] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.172469][ T3266] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.178993][ T3266] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.196498][ T8693] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.204422][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.218454][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.229709][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.239358][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.246459][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.265367][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.273720][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.280810][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.293176][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.302387][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.313081][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.326610][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.340949][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.352307][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.362688][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.385215][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.392768][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.400336][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.426196][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.442363][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.450836][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.458848][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.470231][ T8474] device veth0_vlan entered promiscuous mode [ 71.482140][ T8474] device veth1_vlan entered promiscuous mode [ 71.502224][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.510485][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.519176][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.530754][ T8474] device veth0_macvtap entered promiscuous mode [ 71.541040][ T8474] device veth1_macvtap entered promiscuous mode [ 71.558739][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.566656][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.578341][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.589329][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.599653][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.608993][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.620188][ T8474] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.629777][ T8474] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.638649][ T8474] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.651348][ T8474] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.742619][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.761099][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.773570][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.792884][ T8420] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.803462][ T8420] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.813587][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.855705][ T8714] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 71.867448][ T8714] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 71.875863][ T8714] CPU: 1 PID: 8714 Comm: syz-executor.0 Not tainted 5.14.0-rc7-syzkaller #0 [ 71.884542][ T8714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.894597][ T8714] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 71.900348][ T8714] Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00 [ 71.920220][ T8714] RSP: 0018:ffffc900022bfc60 EFLAGS: 00010203 [ 71.926290][ T8714] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 71.934600][ T8714] RDX: 0000000000000002 RSI: ffffffff87c1e1b3 RDI: ffff8880208e02f0 [ 71.942571][ T8714] RBP: ffff8880208e0000 R08: 0000000000000001 R09: 00000000fffffff0 [ 71.950551][ T8714] R10: ffffffff87c1e441 R11: 0000000000000000 R12: 0000000000000000 [ 71.958697][ T8714] R13: 0000000000000014 R14: ffff88802b119108 R15: 0000000000000001 [ 71.966659][ T8714] FS: 0000000001b97400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.975575][ T8714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.982150][ T8714] CR2: 000000000077fffb CR3: 000000003085b000 CR4: 00000000001506e0 [ 71.990103][ T8714] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.998059][ T8714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.006018][ T8714] Call Trace: [ 72.009286][ T8714] ? wait_on_pending_writer+0x430/0x430 [ 72.014826][ T8714] ? __local_bh_enable_ip+0xa0/0x120 [ 72.020112][ T8714] tls_sk_proto_close+0x356/0xaf0 [ 72.025125][ T8714] ? wait_on_pending_writer+0x430/0x430 [ 72.030657][ T8714] ? ip_mc_drop_socket+0x16/0x260 [ 72.035750][ T8714] inet_release+0x12e/0x280 [ 72.040234][ T8714] inet6_release+0x4c/0x70 [ 72.044634][ T8714] __sock_release+0xcd/0x280 [ 72.049219][ T8714] sock_close+0x18/0x20 [ 72.053370][ T8714] __fput+0x288/0x920 [ 72.057420][ T8714] ? __sock_release+0x280/0x280 [ 72.062262][ T8714] task_work_run+0xdd/0x1a0 [ 72.066746][ T8714] exit_to_user_mode_prepare+0x27e/0x290 [ 72.072357][ T8714] syscall_exit_to_user_mode+0x19/0x60 [ 72.077799][ T8714] do_syscall_64+0x42/0xb0 [ 72.082196][ T8714] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.088082][ T8714] RIP: 0033:0x41940b [ 72.091959][ T8714] Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 [ 72.111631][ T8714] RSP: 002b:00007fffabc271a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 72.120024][ T8714] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000041940b [ 72.128063][ T8714] RDX: 0000000000570af8 RSI: 0000000000000001 RDI: 0000000000000005 [ 72.136015][ T8714] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2d5200e0 [ 72.143965][ T8714] R10: ffffffffffffffff R11: 0000000000000293 R12: 0000000000570af8 [ 72.151928][ T8714] R13: 00007fffabc272c0 R14: 000000000056bf80 R15: 00000000000118b1 [ 72.159885][ T8714] Modules linked in: [ 72.166990][ T8714] ---[ end trace 31f6df36f5d2f6a9 ]--- [ 72.172458][ T8714] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 72.178638][ T8714] Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00 [ 72.198868][ T8714] RSP: 0018:ffffc900022bfc60 EFLAGS: 00010203 [ 72.205338][ T8714] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 72.213318][ T8714] RDX: 0000000000000002 RSI: ffffffff87c1e1b3 RDI: ffff8880208e02f0 [ 72.221665][ T8714] RBP: ffff8880208e0000 R08: 0000000000000001 R09: 00000000fffffff0 [ 72.229861][ T8714] R10: ffffffff87c1e441 R11: 0000000000000000 R12: 0000000000000000 [ 72.238198][ T8714] R13: 0000000000000014 R14: ffff88802b119108 R15: 0000000000000001 [ 72.246215][ T8714] FS: 0000000001b97400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.255238][ T8714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.262036][ T8714] CR2: 000055f6a58bb250 CR3: 000000003085b000 CR4: 00000000001506f0 [ 72.270275][ T8714] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.278407][ T8714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.287266][ T8714] Kernel panic - not syncing: Fatal exception [ 72.293407][ T8714] Kernel Offset: disabled [ 72.297743][ T8714] Rebooting in 86400 seconds..