Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. syzkaller login: [ 41.267595] audit: type=1400 audit(1595372444.017:8): avc: denied { execmem } for pid=6470 comm="syz-executor386" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.290472] IPVS: ftp: loaded support on port[0] = 21 [ 41.363481] chnl_net:caif_netlink_parms(): no params data found [ 41.486615] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.493244] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.501542] device bridge_slave_0 entered promiscuous mode [ 41.509202] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.515695] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.522628] device bridge_slave_1 entered promiscuous mode [ 41.541225] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.550068] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.568961] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.576406] team0: Port device team_slave_0 added [ 41.581872] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.589602] team0: Port device team_slave_1 added [ 41.605519] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.611770] 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. [ 41.637073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.648663] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.654981] 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. [ 41.680670] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.691802] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.699348] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.746865] device hsr_slave_0 entered promiscuous mode [ 41.814494] device hsr_slave_1 entered promiscuous mode [ 41.854782] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.861797] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.930190] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.936736] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.943462] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.949905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.983703] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.990867] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.999742] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.009726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.028546] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.035755] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.042762] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 42.054355] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.060462] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.070226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.078416] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.084814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.094127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.102242] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.108644] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.123467] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.132720] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.149257] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.159309] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.171013] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.178430] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.186400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.194735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.202172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.214940] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.224640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.231336] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.240136] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.254716] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 42.264326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.301065] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 42.309768] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 42.317166] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 42.327541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.335012] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.341837] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.351808] device veth0_vlan entered promiscuous mode [ 42.360822] device veth1_vlan entered promiscuous mode [ 42.375466] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 42.386579] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 42.393387] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.402404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.412380] device veth0_macvtap entered promiscuous mode [ 42.419599] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 42.428459] device veth1_macvtap entered promiscuous mode [ 42.435711] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 42.444534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 42.457638] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 42.467261] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 42.474535] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.481180] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.488945] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.496715] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.504811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.515910] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 42.522756] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.529961] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.537876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 42.632893] IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready [ 42.743668] kasan: CONFIG_KASAN_INLINE enabled [ 42.748340] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.755775] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.762131] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.133-syzkaller #0 [ 42.769206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.778564] RIP: 0010:rose_send_frame+0x199/0x260 [ 42.783409] Code: 48 c1 ea 03 80 3c 02 00 0f 85 9e 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 75 4c 8b bd 58 03 00 00 e9 bf fe ff ff e8 40 c5 f8 [ 42.802469] RSP: 0018:ffff8880ae707b00 EFLAGS: 00010202 [ 42.807982] RAX: dffffc0000000000 RBX: ffff888216180840 RCX: ffffffff8670e213 [ 42.815227] RDX: 000000000000006b RSI: ffffffff8670e33e RDI: 0000000000000358 [ 42.822489] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 42.829746] R10: 0000000000000005 R11: 0000000000000000 R12: ffff888216180840 [ 42.836992] R13: ffff8880a653d140 R14: 0000000000000005 R15: 0000000000000010 [ 42.844240] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 42.852438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.858313] CR2: 0000000020000190 CR3: 000000008a2ab000 CR4: 00000000001406e0 [ 42.865574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.872831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.880086] Call Trace: [ 42.882645] [ 42.884780] rose_transmit_clear_request+0x1d5/0x290 [ 42.889876] ? lockdep_hardirqs_on+0x288/0x5c0 [ 42.894453] rose_rx_call_request+0x4c3/0x18cc [ 42.899027] ? rose_release+0x3b0/0x3b0 [ 42.902995] rose_loopback_timer+0x15d/0x470 [ 42.907408] call_timer_fn+0x177/0x700 [ 42.911273] ? rose_link_rx_restart.cold+0xab/0xab [ 42.916179] ? process_timeout+0x40/0x40 [ 42.920220] ? _raw_spin_unlock_irq+0x24/0x80 [ 42.924711] ? rose_link_rx_restart.cold+0xab/0xab [ 42.929614] ? rose_link_rx_restart.cold+0xab/0xab [ 42.934538] expire_timers+0x243/0x4e0 [ 42.938505] run_timer_softirq+0x21c/0x670 [ 42.942719] ? expire_timers+0x4e0/0x4e0 [ 42.946758] ? kvm_sched_clock_read+0x14/0x40 [ 42.951228] ? check_preemption_disabled+0x41/0x280 [ 42.956223] __do_softirq+0x26c/0x9a0 [ 42.960004] irq_exit+0x215/0x260 [ 42.963441] smp_apic_timer_interrupt+0x136/0x550 [ 42.968272] apic_timer_interrupt+0xf/0x20 [ 42.972476] [ 42.974692] RIP: 0010:native_safe_halt+0xe/0x10 [ 42.979337] Code: 48 89 df e8 34 ec 65 fa e9 2e ff ff ff 48 89 df e8 27 ec 65 fa eb 82 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 54 10 4e 00 fb f4 90 e9 07 00 00 00 0f 00 2d 44 10 4e 00 f4 c3 90 90 41 56 41 55 [ 42.998233] RSP: 0018:ffff8880a9f47d58 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 43.005920] RAX: 1ffffffff11a4b6c RBX: dffffc0000000000 RCX: 0000000000000000 [ 43.013166] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880a9f3ac44 [ 43.020413] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 [ 43.027662] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88d25b50 [ 43.034927] R13: 1ffff110153e8fb5 R14: 0000000000000000 R15: 0000000000000000 [ 43.042195] default_idle+0x49/0x310 [ 43.045894] do_idle+0x2ec/0x4b0 [ 43.049240] ? arch_cpu_idle_exit+0x70/0x70 [ 43.053543] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 43.058627] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.063206] cpu_startup_entry+0xc5/0xe0 [ 43.067280] ? cpu_in_idle+0x20/0x20 [ 43.070975] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 43.076076] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.080644] start_secondary+0x41f/0x580 [ 43.084709] ? set_cpu_sibling_map+0x17b0/0x17b0 [ 43.089454] secondary_startup_64+0xa4/0xb0 [ 43.093757] Modules linked in: [ 43.097004] ---[ end trace c6581d60abc1b4b9 ]--- [ 43.101801] RIP: 0010:rose_send_frame+0x199/0x260 [ 43.106704] Code: 48 c1 ea 03 80 3c 02 00 0f 85 9e 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 75 4c 8b bd 58 03 00 00 e9 bf fe ff ff e8 40 c5 f8 [ 43.125657] RSP: 0018:ffff8880ae707b00 EFLAGS: 00010202 [ 43.131018] RAX: dffffc0000000000 RBX: ffff888216180840 RCX: ffffffff8670e213 [ 43.138351] RDX: 000000000000006b RSI: ffffffff8670e33e RDI: 0000000000000358 [ 43.145664] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 43.152936] R10: 0000000000000005 R11: 0000000000000000 R12: ffff888216180840 [ 43.160248] R13: ffff8880a653d140 R14: 0000000000000005 R15: 0000000000000010 [ 43.167574] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 43.175864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.181753] CR2: 0000000020000190 CR3: 000000008a2ab000 CR4: 00000000001406e0 [ 43.189066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.196373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.203697] Kernel panic - not syncing: Fatal exception in interrupt [ 43.211432] Kernel Offset: disabled [ 43.215063] Rebooting in 86400 seconds..