[ 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 '10.128.0.238' (ECDSA) to the list of known hosts. syzkaller login: [ 57.164902][ T7227] IPVS: ftp: loaded support on port[0] = 21 [ 57.294644][ T7227] chnl_net:caif_netlink_parms(): no params data found [ 57.348417][ T7227] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.355954][ T7227] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.365312][ T7227] device bridge_slave_0 entered promiscuous mode [ 57.374424][ T7227] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.382050][ T7227] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.389987][ T7227] device bridge_slave_1 entered promiscuous mode [ 57.410667][ T7227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.421617][ T7227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.444058][ T7227] team0: Port device team_slave_0 added [ 57.452067][ T7227] team0: Port device team_slave_1 added [ 57.471019][ T7227] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.478086][ T7227] 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. [ 57.504497][ T7227] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.517195][ T7227] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.524250][ T7227] 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. [ 57.550343][ T7227] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.620500][ T7227] device hsr_slave_0 entered promiscuous mode [ 57.658512][ T7227] device hsr_slave_1 entered promiscuous mode [ 57.774890][ T7227] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.851106][ T7227] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.910409][ T7227] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.980086][ T7227] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.064436][ T7227] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.072115][ T7227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.080298][ T7227] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.087911][ T7227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.135498][ T7227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.150522][ T3184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.161061][ T3184] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.169871][ T3184] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.180326][ T3184] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.193225][ T7227] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.203877][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.213128][ T4835] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.220419][ T4835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.238041][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.246474][ T4835] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.253610][ T4835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.268823][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.288316][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.296166][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.306127][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.315347][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.324313][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.333528][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.342387][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.353302][ T7227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.372971][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.381689][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.394607][ T7227] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.413417][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.423130][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.445848][ T7227] device veth0_vlan entered promiscuous mode [ 58.454029][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.463183][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.476579][ T7227] device veth1_vlan entered promiscuous mode [ 58.485188][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.493523][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.502255][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.524641][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.532798][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.543222][ T3185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.554733][ T7227] device veth0_macvtap entered promiscuous mode [ 58.565168][ T7227] device veth1_macvtap entered promiscuous mode [ 58.583713][ T7227] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.591354][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.600394][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.608772][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.617471][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.630324][ T7227] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.639804][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.649053][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 59.050198][ T7436] ------------[ cut here ]------------ [ 59.055667][ T7436] AppArmor WARN aa_sock_msg_perm: ((!sock)): [ 59.055880][ T7436] WARNING: CPU: 0 PID: 7436 at security/apparmor/lsm.c:933 aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.072150][ T7436] Kernel panic - not syncing: panic_on_warn set ... [ 59.078728][ T7436] CPU: 0 PID: 7436 Comm: syz-executor396 Not tainted 5.7.0-rc6-syzkaller #0 [ 59.087371][ T7436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.097404][ T7436] Call Trace: [ 59.100692][ T7436] dump_stack+0x188/0x20d [ 59.104997][ T7436] ? aa_sock_msg_perm.isra.0+0x10/0x160 [ 59.110516][ T7436] panic+0x2e3/0x75c [ 59.114397][ T7436] ? add_taint.cold+0x16/0x16 [ 59.119060][ T7436] ? __probe_kernel_read+0x188/0x1d0 [ 59.124318][ T7436] ? __warn.cold+0x14/0x35 [ 59.128709][ T7436] ? __warn+0xd5/0x1c8 [ 59.132769][ T7436] ? aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.138287][ T7436] __warn.cold+0x2f/0x35 [ 59.142506][ T7436] ? aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.148026][ T7436] report_bug+0x27b/0x2f0 [ 59.152344][ T7436] do_error_trap+0x12b/0x220 [ 59.156919][ T7436] ? aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.162459][ T7436] do_invalid_op+0x32/0x40 [ 59.166863][ T7436] ? aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.172396][ T7436] invalid_op+0x23/0x30 [ 59.176533][ T7436] RIP: 0010:aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.182666][ T7436] Code: 89 ee 4c 89 e7 5b 5d 41 5c 41 5d 41 5e e9 d7 4d 03 00 e8 72 16 0e fe 48 c7 c6 e0 f0 6c 88 48 c7 c7 20 db 6c 88 e8 47 50 df fd <0f> 0b e9 4a ff ff ff e8 53 16 0e fe 48 c7 c6 e0 f0 6c 88 48 c7 c7 [ 59.202256][ T7436] RSP: 0018:ffffc90001c87a38 EFLAGS: 00010286 [ 59.208295][ T7436] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.216258][ T7436] RDX: 0000000000000000 RSI: ffffffff815ce7f1 RDI: fffff52000390f39 [ 59.224202][ T7436] RBP: ffffc90001c87d78 R08: ffff888091e1c280 R09: 0000000000000000 [ 59.232338][ T7436] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff886cdae0 [ 59.240298][ T7436] R13: 0000000000000004 R14: 0000000000001000 R15: 0000000040000000 [ 59.248273][ T7436] ? vprintk_func+0x81/0x17e [ 59.252844][ T7436] ? aa_sock_msg_perm.isra.0+0xd1/0x160 [ 59.258380][ T7436] security_socket_recvmsg+0x78/0xc0 [ 59.263685][ T7436] sock_recvmsg+0x47/0x110 [ 59.268138][ T7436] mptcp_recvmsg+0xb3b/0xd90 [ 59.272710][ T7436] ? mptcp_accept+0x5c0/0x5c0 [ 59.277369][ T7436] ? prepare_to_wait_exclusive+0x2c0/0x2c0 [ 59.283151][ T7436] ? aa_sk_perm+0x319/0xab0 [ 59.287661][ T7436] inet_recvmsg+0x121/0x5d0 [ 59.292141][ T7436] ? inet_sendpage+0x140/0x140 [ 59.296880][ T7436] ? security_socket_recvmsg+0x8e/0xc0 [ 59.302314][ T7436] ? inet_sendpage+0x140/0x140 [ 59.307059][ T7436] sock_recvmsg+0xca/0x110 [ 59.311461][ T7436] __sys_recvfrom+0x1c5/0x2f0 [ 59.316111][ T7436] ? __ia32_sys_send+0x100/0x100 [ 59.321032][ T7436] ? fput_many+0x2f/0x1a0 [ 59.325333][ T7436] ? __sys_connect+0x109/0x190 [ 59.330075][ T7436] ? __x64_sys_futex+0x376/0x4f0 [ 59.334994][ T7436] ? __x64_sys_futex+0x380/0x4f0 [ 59.340097][ T7436] ? switch_fpu_return+0x1db/0x4b0 [ 59.345185][ T7436] ? fpregs_mark_activate+0x320/0x320 [ 59.350536][ T7436] ? fpregs_mark_activate+0x320/0x320 [ 59.355883][ T7436] __x64_sys_recvfrom+0xdd/0x1b0 [ 59.360797][ T7436] ? lockdep_hardirqs_on+0x463/0x620 [ 59.366056][ T7436] do_syscall_64+0xf6/0x7d0 [ 59.370535][ T7436] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.376410][ T7436] RIP: 0033:0x448ef9 [ 59.380279][ T7436] Code: e8 cc 14 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 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.399875][ T7436] RSP: 002b:00007f8afa10fda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002d [ 59.408263][ T7436] RAX: ffffffffffffffda RBX: 00000000006dec28 RCX: 0000000000448ef9 [ 59.416209][ T7436] RDX: 0000000000001000 RSI: 00000000200004c0 RDI: 0000000000000003 [ 59.424169][ T7436] RBP: 00000000006dec20 R08: 0000000000000000 R09: 0000000000000000 [ 59.432133][ T7436] R10: 0000000040000000 R11: 0000000000000246 R12: 00000000006dec2c [ 59.440080][ T7436] R13: 00007ffd1a0563ef R14: 00007f8afa1109c0 R15: 00000000006dec2c [ 59.449462][ T7436] Kernel Offset: disabled [ 59.453843][ T7436] Rebooting in 86400 seconds..