[ 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 '10.128.0.110' (ECDSA) to the list of known hosts. 2021/02/22 21:21:58 parsed 1 programs 2021/02/22 21:21:58 executed programs: 0 syzkaller login: [ 40.926303] IPVS: ftp: loaded support on port[0] = 21 [ 41.038008] chnl_net:caif_netlink_parms(): no params data found [ 41.120070] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.129752] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.140099] device bridge_slave_0 entered promiscuous mode [ 41.149194] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.156960] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.164878] device bridge_slave_1 entered promiscuous mode [ 41.183911] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.193715] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.213643] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.222155] team0: Port device team_slave_0 added [ 41.228913] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.238753] team0: Port device team_slave_1 added [ 41.257041] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.265074] 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. [ 41.293476] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.305880] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.313569] 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. [ 41.341948] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.354933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.364094] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.385262] device hsr_slave_0 entered promiscuous mode [ 41.391637] device hsr_slave_1 entered promiscuous mode [ 41.398580] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.407066] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.483128] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.490175] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.497779] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.505000] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.539576] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.548036] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.558386] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.568175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.577749] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.586243] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.595209] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.607038] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.615277] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.625435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.634311] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.641829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.652766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.661797] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.668689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.692238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.701791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.710091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.719356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.729264] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.735998] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.744851] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.759784] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 41.768294] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.776499] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.787758] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.803184] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 41.813995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.848179] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 41.856853] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 41.864738] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 41.875331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.883609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.892055] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.902083] device veth0_vlan entered promiscuous mode [ 41.912744] device veth1_vlan entered promiscuous mode [ 41.919337] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 41.929774] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 41.942051] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 41.953516] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.965125] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.973914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.985401] device veth0_macvtap entered promiscuous mode [ 41.993348] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 42.003573] device veth1_macvtap entered promiscuous mode [ 42.014342] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 42.025705] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 42.035687] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.046306] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 42.054726] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.063417] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.071595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.083528] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 42.091927] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.099168] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.109566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.227487] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 42.236257] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.252084] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.261528] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.274466] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 42.282085] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.289535] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.297736] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.514041] WARNING: CPU: 0 PID: 8436 at kernel/events/core.c:1840 perf_group_attach+0x3df/0x4b0 [ 42.523507] Kernel panic - not syncing: panic_on_warn set ... [ 42.523507] [ 42.531302] CPU: 0 PID: 8436 Comm: syz-executor.0 Not tainted 4.19.176-syzkaller #0 [ 42.540045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.550206] Call Trace: [ 42.553064] dump_stack+0x1fc/0x2ef [ 42.556898] panic+0x26a/0x50e [ 42.560119] ? __warn_printk+0xf3/0xf3 [ 42.564268] ? perf_group_attach+0x3df/0x4b0 [ 42.568850] ? __probe_kernel_read+0x130/0x1b0 [ 42.573530] ? __warn.cold+0x5/0x5a [ 42.577406] ? __warn+0xe4/0x200 [ 42.581390] ? perf_group_attach+0x3df/0x4b0 [ 42.585884] __warn.cold+0x20/0x5a [ 42.589849] ? perf_group_attach+0x3df/0x4b0 [ 42.594340] report_bug+0x262/0x2b0 [ 42.598216] do_error_trap+0x1d7/0x310 [ 42.602764] ? math_error+0x310/0x310 [ 42.606556] ? error_entry+0x72/0xd0 [ 42.610799] ? trace_hardirqs_off_caller+0x2c/0x210 [ 42.616175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.621806] invalid_op+0x14/0x20 [ 42.625353] RIP: 0010:perf_group_attach+0x3df/0x4b0 [ 42.630802] Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 57 48 8b 5b 10 48 83 eb 10 48 39 dd 75 d4 e9 2b ff ff ff e8 71 9d eb ff <0f> 0b e9 6e fd ff ff e8 b5 50 21 00 e9 cd fc ff ff 48 c7 c7 20 cd [ 42.651577] RSP: 0018:ffff88809e84fb08 EFLAGS: 00010093 [ 42.657634] RAX: ffff8880ab29e500 RBX: ffff888092cee880 RCX: ffffffff8176bea5 [ 42.666477] RDX: 0000000000000000 RSI: ffffffff8176c1af RDI: ffff888092ceea98 [ 42.676710] RBP: ffff888094dc48c0 R08: 0000000000000001 R09: 0000000000000000 [ 42.685549] R10: 0000000000000005 R11: 0000000000000000 R12: ffffe8ffffc114a0 [ 42.693908] R13: 0000000000000000 R14: ffff8880ba0301c8 R15: ffff888092ceed60 [ 42.701718] ? perf_group_attach+0xd5/0x4b0 [ 42.706418] ? perf_group_attach+0x3df/0x4b0 [ 42.711514] ? perf_group_attach+0x3df/0x4b0 [ 42.716737] __perf_install_in_context+0x491/0x900 [ 42.722752] ? __mutex_lock+0x39e/0x1260 [ 42.727615] ? __perf_event_enable+0x900/0x900 [ 42.733250] ? perf_duration_warn+0x40/0x40 [ 42.738377] remote_function+0x11e/0x1a0 [ 42.742966] generic_exec_single+0x273/0x490 [ 42.747806] smp_call_function_single+0x1cf/0x420 [ 42.753292] ? do_raw_spin_unlock+0x171/0x230 [ 42.758518] ? perf_duration_warn+0x40/0x40 [ 42.763195] ? generic_exec_single+0x490/0x490 [ 42.768387] ? exclusive_event_installable+0x252/0x310 [ 42.773751] perf_install_in_context+0x366/0x3c0 [ 42.779742] ? perf_group_attach+0x4b0/0x4b0 [ 42.784598] ? __perf_event_enable+0x900/0x900 [ 42.789633] ? exclusive_event_installable+0x252/0x310 [ 42.795224] __se_sys_perf_event_open+0xe5d/0x2720 [ 42.800938] ? blkcg_maybe_throttle_current+0x56c/0xc10 [ 42.806682] ? perf_event_set_output+0x4c0/0x4c0 [ 42.812497] ? __se_sys_futex+0x28f/0x3b0 [ 42.817138] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 42.823556] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.828690] ? do_syscall_64+0x21/0x620 [ 42.833517] do_syscall_64+0xf9/0x620 [ 42.838478] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.845693] RIP: 0033:0x465ef9 [ 42.850445] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 42.872199] RSP: 002b:00007f9ef7f35188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 42.881533] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9 [ 42.890110] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000280 [ 42.898380] RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 [ 42.906367] R10: 0000000000000003 R11: 0000000000000246 R12: 000000000056bf60 [ 42.914252] R13: 00007ffd39ec7d6f R14: 00007f9ef7f35300 R15: 0000000000022000 [ 42.925092] Kernel Offset: disabled [ 42.929907] Rebooting in 86400 seconds..