Starting OpenBSD Secure Shell server... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. Starting System Logging Service... [ OK ] Started Regular background program processing daemon. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. 2020/07/05 02:45:45 parsed 1 programs 2020/07/05 02:45:45 executed programs: 0 syzkaller login: [ 62.471120][ T28] audit: type=1400 audit(1593917145.521:8): avc: denied { execmem } for pid=6832 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 62.512704][ T6833] IPVS: ftp: loaded support on port[0] = 21 [ 62.612531][ T6833] chnl_net:caif_netlink_parms(): no params data found [ 62.661052][ T6833] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.669737][ T6833] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.678481][ T6833] device bridge_slave_0 entered promiscuous mode [ 62.687681][ T6833] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.694759][ T6833] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.704732][ T6833] device bridge_slave_1 entered promiscuous mode [ 62.724056][ T6833] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.734985][ T6833] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.758257][ T6833] team0: Port device team_slave_0 added [ 62.766168][ T6833] team0: Port device team_slave_1 added [ 62.783376][ T6833] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.790624][ T6833] 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. [ 62.817748][ T6833] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.830547][ T6833] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.838898][ T6833] 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. [ 62.865868][ T6833] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.948414][ T6833] device hsr_slave_0 entered promiscuous mode [ 62.995842][ T6833] device hsr_slave_1 entered promiscuous mode [ 63.123883][ T6833] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.168563][ T6833] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.237962][ T6833] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.277927][ T6833] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.331381][ T6833] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.338753][ T6833] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.346840][ T6833] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.353905][ T6833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.396738][ T6833] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.411070][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.421213][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.430156][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.438475][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.452059][ T6833] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.463165][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.472254][ T2748] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.479375][ T2748] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.492126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.501856][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.508966][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.528890][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.537922][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.555714][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.564141][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.573886][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.585875][ T6833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.603336][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.611179][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.624764][ T6833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.643551][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.652827][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.674167][ T6833] device veth0_vlan entered promiscuous mode [ 63.681936][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.691399][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.707372][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.715036][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.723965][ T6833] device veth1_vlan entered promiscuous mode [ 63.743618][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.751733][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.760141][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.769385][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.781162][ T6833] device veth0_macvtap entered promiscuous mode [ 63.791285][ T6833] device veth1_macvtap entered promiscuous mode [ 63.808986][ T6833] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.816483][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.824458][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.833125][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.841929][ T2584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.854719][ T6833] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.862912][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.872735][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.137822][ T7045] ------------[ cut here ]------------ [ 64.144690][ T7045] IRQs not disabled as expected [ 64.152240][ T7045] WARNING: CPU: 0 PID: 7045 at arch/x86/entry/common.c:645 idtentry_exit_cond_rcu+0x91/0xf0 [ 64.175720][ T7045] Kernel panic - not syncing: panic_on_warn set ... [ 64.182350][ T7045] CPU: 1 PID: 7045 Comm: syz-executor.0 Not tainted 5.8.0-rc3-syzkaller #0 [ 64.190915][ T7045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.201136][ T7045] Call Trace: [ 64.204413][ T7045] dump_stack+0x18f/0x20d [ 64.208736][ T7045] panic+0x2e3/0x75c [ 64.212623][ T7045] ? __warn_printk+0xf3/0xf3 [ 64.217338][ T7045] ? __warn.cold+0x5/0x45 [ 64.221652][ T7045] ? __warn+0xd6/0x1f2 [ 64.225819][ T7045] ? idtentry_exit_cond_rcu+0x91/0xf0 [ 64.231183][ T7045] __warn.cold+0x20/0x45 [ 64.235523][ T7045] ? idtentry_exit_cond_rcu+0x91/0xf0 [ 64.240896][ T7045] report_bug+0x1bd/0x210 [ 64.245236][ T7045] handle_bug+0x38/0x90 [ 64.249395][ T7045] ? __warn_printk+0xc6/0xf3 [ 64.253994][ T7045] exc_invalid_op+0x13/0x40 [ 64.258490][ T7045] asm_exc_invalid_op+0x12/0x20 [ 64.263326][ T7045] RIP: 0010:idtentry_exit_cond_rcu+0x91/0xf0 [ 64.269285][ T7045] Code: 8b 80 88 08 00 00 85 c0 74 b4 80 3d 42 18 c5 02 00 75 ab 48 c7 c7 88 93 65 89 89 74 24 04 c6 05 2e 18 c5 02 01 e8 d1 96 60 f9 <0f> 0b 8b 74 24 04 eb 8c 48 83 c4 08 48 89 ef 5d e9 4a fc ff ff e8 [ 64.288867][ T7045] RSP: 0018:ffffc90002317f40 EFLAGS: 00010282 [ 64.294909][ T7045] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 64.302998][ T7045] RDX: ffff8880a0e00400 RSI: ffffffff815d4f87 RDI: fffff52000462fda [ 64.310967][ T7045] RBP: ffffc90002317f58 R08: 0000000000000001 R09: ffff8880ae6318e7 [ 64.318944][ T7045] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff880009d8 [ 64.326894][ T7045] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.334867][ T7045] ? asm_exc_alignment_check+0x8/0x30 [ 64.340242][ T7045] ? vprintk_func+0x97/0x1a6 [ 64.344834][ T7045] asm_exc_alignment_check+0x1e/0x30 [ 64.350114][ T7045] RIP: 0033:0x2000020c [ 64.354169][ T7045] Code: Bad RIP value. [ 64.358229][ T7045] RSP: 002b:00007f388e3adc78 EFLAGS: 00254e02 [ 64.364288][ T7045] RAX: 00000000000000e6 RBX: 0000000000000000 RCX: 0000000000000000 [ 64.372341][ T7045] RDX: 0000000000009400 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.380315][ T7045] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 64.388285][ T7045] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 64.396377][ T7045] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.406316][ T7045] Kernel Offset: disabled [ 64.410685][ T7045] Rebooting in 86400 seconds..