[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 59.864867][ T27] audit: type=1800 audit(1582806391.286:25): pid=8872 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 59.895826][ T27] audit: type=1800 audit(1582806391.296:26): pid=8872 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 59.930573][ T27] audit: type=1800 audit(1582806391.296:27): pid=8872 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. 2020/02/27 12:42:13 parsed 1 programs 2020/02/27 12:42:15 executed programs: 0 syzkaller login: [ 1003.798699][ T9039] IPVS: ftp: loaded support on port[0] = 21 [ 1003.847162][ T9039] chnl_net:caif_netlink_parms(): no params data found [ 1003.879910][ T9039] bridge0: port 1(bridge_slave_0) entered blocking state [ 1003.887797][ T9039] bridge0: port 1(bridge_slave_0) entered disabled state [ 1003.895807][ T9039] device bridge_slave_0 entered promiscuous mode [ 1003.904318][ T9039] bridge0: port 2(bridge_slave_1) entered blocking state [ 1003.911522][ T9039] bridge0: port 2(bridge_slave_1) entered disabled state [ 1003.920306][ T9039] device bridge_slave_1 entered promiscuous mode [ 1003.935387][ T9039] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1003.946688][ T9039] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1003.965080][ T9039] team0: Port device team_slave_0 added [ 1003.972192][ T9039] team0: Port device team_slave_1 added [ 1003.985411][ T9039] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1003.992611][ T9039] 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. [ 1004.018859][ T9039] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1004.031128][ T9039] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1004.038245][ T9039] 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. [ 1004.064765][ T9039] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1004.100249][ T9039] device hsr_slave_0 entered promiscuous mode [ 1004.157982][ T9039] device hsr_slave_1 entered promiscuous mode [ 1004.250605][ T9039] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1004.320012][ T9039] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1004.360122][ T9039] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1004.409424][ T9039] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1004.501058][ T9039] bridge0: port 2(bridge_slave_1) entered blocking state [ 1004.508778][ T9039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1004.516483][ T9039] bridge0: port 1(bridge_slave_0) entered blocking state [ 1004.523643][ T9039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1004.561060][ T9039] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1004.573090][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1004.593783][ T3119] bridge0: port 1(bridge_slave_0) entered disabled state [ 1004.612281][ T3119] bridge0: port 2(bridge_slave_1) entered disabled state [ 1004.620353][ T3119] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1004.632640][ T9039] 8021q: adding VLAN 0 to HW filter on device team0 [ 1004.643186][ T9044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1004.651820][ T9044] bridge0: port 1(bridge_slave_0) entered blocking state [ 1004.658931][ T9044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1004.677957][ T9047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1004.686416][ T9047] bridge0: port 2(bridge_slave_1) entered blocking state [ 1004.693534][ T9047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1004.701423][ T9047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1004.710344][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1004.720282][ T9044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1004.732303][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1004.744000][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1004.754633][ T9039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1004.770486][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1004.778735][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1004.790758][ T9039] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1004.807016][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1004.825080][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1004.833518][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1004.841675][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1004.853104][ T9039] device veth0_vlan entered promiscuous mode [ 1004.864585][ T9039] device veth1_vlan entered promiscuous mode [ 1004.886180][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1004.895431][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1004.905997][ T9039] device veth0_macvtap entered promiscuous mode [ 1004.916905][ T9039] device veth1_macvtap entered promiscuous mode [ 1004.932113][ T9039] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1004.940563][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1004.949373][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1004.957974][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1004.966612][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1004.978160][ T9039] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1004.990190][ T9044] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1004.999223][ T9044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2020/02/27 12:42:20 executed programs: 169 [ 1010.548180][ T9046] ------------[ cut here ]------------ [ 1010.554608][ T9046] Unexpected user alpha2: A [ 1010.561014][ T9046] WARNING: CPU: 0 PID: 9046 at net/wireless/reg.c:420 restore_regulatory_settings+0x33c/0x26b0 [ 1010.571471][ T9046] Kernel panic - not syncing: panic_on_warn set ... [ 1010.578061][ T9046] CPU: 0 PID: 9046 Comm: kworker/0:0 Not tainted 5.6.0-rc3-syzkaller #0 [ 1010.586382][ T9046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1010.596448][ T9046] Workqueue: events_power_efficient crda_timeout_work [ 1010.603233][ T9046] Call Trace: [ 1010.606593][ T9046] dump_stack+0x1fb/0x318 [ 1010.611023][ T9046] panic+0x264/0x7a9 [ 1010.614940][ T9046] ? __warn+0x105/0x210 [ 1010.619095][ T9046] ? restore_regulatory_settings+0x33c/0x26b0 [ 1010.625268][ T9046] __warn+0x209/0x210 [ 1010.629241][ T9046] ? restore_regulatory_settings+0x33c/0x26b0 [ 1010.635365][ T9046] report_bug+0x1b6/0x2f0 [ 1010.639688][ T9046] ? restore_regulatory_settings+0x33c/0x26b0 [ 1010.645799][ T9046] do_error_trap+0xcf/0x1c0 [ 1010.650290][ T9046] do_invalid_op+0x36/0x40 [ 1010.654703][ T9046] ? restore_regulatory_settings+0x33c/0x26b0 [ 1010.660869][ T9046] invalid_op+0x23/0x30 [ 1010.665050][ T9046] RIP: 0010:restore_regulatory_settings+0x33c/0x26b0 [ 1010.671724][ T9046] Code: 88 60 03 e9 5f 01 00 00 e8 f1 f6 db f9 48 8d 5d c8 0f be 75 a0 0f be 15 df 88 60 03 48 c7 c7 38 f1 06 89 31 c0 e8 94 bc ad f9 <0f> 0b 4c 8b 3d cb d5 c4 01 4d 85 ff 48 b9 00 00 00 00 00 fc ff df [ 1010.691338][ T9046] RSP: 0018:ffffc900022a7c40 EFLAGS: 00010246 [ 1010.697407][ T9046] RAX: 4d30fbadd5ed2f00 RBX: ffffc900022a7c90 RCX: ffff88808e694340 [ 1010.705490][ T9046] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 1010.713466][ T9046] RBP: ffffc900022a7cc8 R08: ffffffff81600324 R09: ffffed1015d46618 [ 1010.721441][ T9046] R10: ffffed1015d46618 R11: 0000000000000000 R12: 0000000000000000 [ 1010.729592][ T9046] R13: ffff88809a38fb18 R14: 0000000000000001 R15: ffffffff895feab0 [ 1010.737642][ T9046] ? vprintk_emit+0x2d4/0x3a0 [ 1010.742411][ T9046] crda_timeout_work+0x20/0x30 [ 1010.747287][ T9046] process_one_work+0x7f5/0x10f0 [ 1010.752296][ T9046] worker_thread+0xbbc/0x1630 [ 1010.757024][ T9046] kthread+0x332/0x350 [ 1010.761234][ T9046] ? rcu_lock_release+0x30/0x30 [ 1010.766102][ T9046] ? kthread_blkcg+0xe0/0xe0 [ 1010.770809][ T9046] ret_from_fork+0x24/0x30 [ 1010.776916][ T9046] Kernel Offset: disabled [ 1010.781322][ T9046] Rebooting in 86400 seconds..