Warning: Permanently added '10.128.0.130' (ECDSA) to the list of known hosts. syzkaller login: [ 503.451566][ T27] audit: type=1400 audit(1594478386.726:8): avc: denied { execmem } for pid=6819 comm="syz-executor767" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 503.471923][ T6820] IPVS: ftp: loaded support on port[0] = 21 [ 503.554826][ T6820] chnl_net:caif_netlink_parms(): no params data found [ 503.602178][ T6820] bridge0: port 1(bridge_slave_0) entered blocking state [ 503.610352][ T6820] bridge0: port 1(bridge_slave_0) entered disabled state [ 503.618944][ T6820] device bridge_slave_0 entered promiscuous mode [ 503.627679][ T6820] bridge0: port 2(bridge_slave_1) entered blocking state [ 503.634759][ T6820] bridge0: port 2(bridge_slave_1) entered disabled state [ 503.642906][ T6820] device bridge_slave_1 entered promiscuous mode [ 503.663056][ T6820] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 503.673827][ T6820] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 503.695864][ T6820] team0: Port device team_slave_0 added [ 503.703240][ T6820] team0: Port device team_slave_1 added [ 503.720865][ T6820] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 503.727867][ T6820] 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. [ 503.755054][ T6820] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 503.768192][ T6820] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 503.775131][ T6820] 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. [ 503.801205][ T6820] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 503.860230][ T6820] device hsr_slave_0 entered promiscuous mode [ 503.897189][ T6820] device hsr_slave_1 entered promiscuous mode [ 504.024449][ T6820] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 504.059997][ T6820] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 504.129394][ T6820] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 504.189633][ T6820] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 504.243808][ T6820] bridge0: port 2(bridge_slave_1) entered blocking state [ 504.251012][ T6820] bridge0: port 2(bridge_slave_1) entered forwarding state [ 504.258920][ T6820] bridge0: port 1(bridge_slave_0) entered blocking state [ 504.265972][ T6820] bridge0: port 1(bridge_slave_0) entered forwarding state [ 504.310603][ T6820] 8021q: adding VLAN 0 to HW filter on device bond0 [ 504.323473][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 504.334687][ T3840] bridge0: port 1(bridge_slave_0) entered disabled state [ 504.343825][ T3840] bridge0: port 2(bridge_slave_1) entered disabled state [ 504.353057][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 504.365735][ T6820] 8021q: adding VLAN 0 to HW filter on device team0 [ 504.377453][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 504.385823][ T2490] bridge0: port 1(bridge_slave_0) entered blocking state [ 504.392943][ T2490] bridge0: port 1(bridge_slave_0) entered forwarding state [ 504.418111][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 504.426408][ T3840] bridge0: port 2(bridge_slave_1) entered blocking state [ 504.433559][ T3840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 504.442169][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 504.450974][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 504.460287][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 504.475746][ T6820] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 504.486372][ T6820] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 504.499028][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 504.507950][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 504.516178][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 504.538264][ T6820] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 504.547294][ T6948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 504.554721][ T6948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 504.577518][ T6948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 504.586166][ T6948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 504.605877][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 504.614467][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 504.625132][ T6820] device veth0_vlan entered promiscuous mode [ 504.631950][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 504.640275][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 504.657663][ T6820] device veth1_vlan entered promiscuous mode [ 504.679291][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 504.688252][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 504.696230][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 504.705279][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 504.716287][ T6820] device veth0_macvtap entered promiscuous mode [ 504.726410][ T6820] device veth1_macvtap entered promiscuous mode [ 504.743861][ T6820] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 504.752166][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 504.761088][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 504.769081][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 504.778304][ T2490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 504.790343][ T6820] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 504.798329][ T6948] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 504.807638][ T6948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 609.996817][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 610.003959][ C1] rcu: 0-...0: (1 GPs behind) idle=c22/1/0x4000000000000000 softirq=10714/10715 fqs=5249 [ 610.014160][ C1] (detected by 1, t=10502 jiffies, g=10189, q=4119) [ 610.020825][ C1] Sending NMI from CPU 1 to CPUs 0: [ 610.028125][ C1] NMI backtrace for cpu 0 [ 610.028132][ C1] CPU: 0 PID: 6820 Comm: syz-executor767 Not tainted 5.8.0-rc4-syzkaller #0 [ 610.028139][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 610.028151][ C1] RIP: 0010:advance_sched+0x236/0x990 [ 610.028163][ C1] Code: 00 0f 85 d1 06 00 00 48 8d 7d 28 4d 8b 65 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 cf 06 00 00 <4c> 39 64 24 20 4c 8b 7d 28 0f 84 3c 03 00 00 e8 26 aa 11 fb 4c 89 [ 610.028168][ C1] RSP: 0018:ffffc90000007d78 EFLAGS: 00000046 [ 610.028177][ C1] RAX: dffffc0000000000 RBX: ffff8880a0d9db40 RCX: ffffffff86620d01 [ 610.028183][ C1] RDX: 1ffff11013ee0ae5 RSI: ffffffff86620d0f RDI: ffff88809f705728 [ 610.028189][ C1] RBP: ffff88809f705700 R08: 0000000000000001 R09: 0000000000000003 [ 610.028195][ C1] R10: 17432cbe2e86597c R11: 0000000000000000 R12: ffff88809f705710 [ 610.028200][ C1] R13: ffff888094684700 R14: 17432cbe2e86597c R15: dffffc0000000000 [ 610.028207][ C1] FS: 0000000001fb4880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 610.028212][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 610.028218][ C1] CR2: 0000000020000610 CR3: 000000009e890000 CR4: 00000000001406f0 [ 610.028223][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 610.028229][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 610.028232][ C1] Call Trace: [ 610.028235][ C1] [ 610.028240][ C1] __hrtimer_run_queues+0x6a9/0xfc0 [ 610.028244][ C1] ? taprio_dequeue_soft+0xa40/0xa40 [ 610.028249][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 610.028253][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 610.028257][ C1] hrtimer_interrupt+0x32a/0x930 [ 610.028262][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 610.028266][ C1] asm_call_on_stack+0xf/0x20 [ 610.028269][ C1] [ 610.028274][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 610.028278][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 610.028283][ C1] RIP: 0010:on_each_cpu+0x149/0x240 [ 610.028295][ C1] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 e6 00 00 00 48 83 3d 97 12 4c 08 00 0f 84 af 00 00 00 e8 9c e9 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 e8 8d e9 0a 00 bf 01 00 00 00 e8 83 a4 e6 ff 31 ff [ 610.028299][ C1] RSP: 0018:ffffc900017f7b68 EFLAGS: 00000293 [ 610.028308][ C1] RAX: 0000000000000000 RBX: 0000000000000293 RCX: 0000000000000000 [ 610.028314][ C1] RDX: ffff88809e192500 RSI: ffffffff8168cdf4 RDI: 0000000000000293 [ 610.028320][ C1] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 610.028325][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 610.028331][ C1] R13: 001e89e9b1852336 R14: 003b9aca00000000 R15: 0000000000000000 [ 610.028335][ C1] ? on_each_cpu+0x144/0x240 [ 610.028339][ C1] clock_was_set+0x18/0x20 [ 610.028344][ C1] timekeeping_inject_offset+0x3e9/0x4d0 [ 610.028348][ C1] ? do_settimeofday64+0x4e0/0x4e0 [ 610.028352][ C1] ? security_capable+0x8f/0xc0 [ 610.028356][ C1] do_adjtimex+0x28f/0x990 [ 610.028361][ C1] ? ktime_get_update_offsets_now+0x250/0x250 [ 610.028365][ C1] ? percpu_counter_add_batch+0x126/0x180 [ 610.028369][ C1] ? __might_fault+0x190/0x1d0 [ 610.028374][ C1] ? posix_get_monotonic_ktime+0x10/0x10 [ 610.028378][ C1] __do_sys_clock_adjtime+0x155/0x250 [ 610.028382][ C1] ? do_timer_create+0x14f0/0x14f0 [ 610.028386][ C1] ? __fget_light+0x215/0x280 [ 610.028390][ C1] ? lock_is_held_type+0xb0/0xe0 [ 610.028394][ C1] ? do_syscall_64+0x1c/0xe0 [ 610.028399][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 610.028403][ C1] do_syscall_64+0x60/0xe0 [ 610.028408][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 610.028411][ C1] RIP: 0033:0x443949 [ 610.028415][ C1] Code: Bad RIP value. [ 610.028419][ C1] RSP: 002b:00007ffef6e7f668 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 [ 610.028429][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443949 [ 610.028435][ C1] RDX: 0000000000443949 RSI: 0000000020000300 RDI: 0000000000000000 [ 610.028441][ C1] RBP: 00007ffef6e7f670 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 610.028447][ C1] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffef6e7f680 [ 610.028452][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 610.028459][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 0.000 msecs