Warning: Permanently added '10.128.0.202' (ECDSA) to the list of known hosts. 2021/07/27 23:20:11 fuzzer started 2021/07/27 23:20:11 connecting to host at 10.128.0.169:39075 2021/07/27 23:20:11 checking machine... 2021/07/27 23:20:11 checking revisions... 2021/07/27 23:20:11 testing simple program... [ 63.292990][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 63.335320][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.342641][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.350118][ T8438] device bridge_slave_0 entered promiscuous mode [ 63.358397][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.365831][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.373994][ T8438] device bridge_slave_1 entered promiscuous mode [ 63.388797][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.399525][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.416778][ T8438] team0: Port device team_slave_0 added [ 63.424402][ T8438] team0: Port device team_slave_1 added [ 63.437470][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.444420][ T8438] 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. [ 63.470999][ T8438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.482953][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.489881][ T8438] 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. [ 63.516022][ T8438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.536664][ T8438] device hsr_slave_0 entered promiscuous mode [ 63.543134][ T8438] device hsr_slave_1 entered promiscuous mode [ 63.604923][ T8438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.613392][ T8438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.622113][ T8438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.631243][ T8438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.647457][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.654594][ T8438] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.661903][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.668943][ T8438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.697678][ T8438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.708966][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.717747][ T4860] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.725981][ T4860] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.734147][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.744961][ T8438] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.754421][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.762987][ T4860] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.770031][ T4860] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.779904][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.788272][ T3463] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.795377][ T3463] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.811495][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.819916][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.828373][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.838219][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.850299][ T8438] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.861432][ T8438] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.869391][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.886707][ T8438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.894141][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.901951][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.922494][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.933657][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.942878][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.950363][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.959722][ T8438] device veth0_vlan entered promiscuous mode [ 63.969741][ T8438] device veth1_vlan entered promiscuous mode [ 63.985748][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.993698][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.002046][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.012524][ T8438] device veth0_macvtap entered promiscuous mode [ 64.021485][ T8438] device veth1_macvtap entered promiscuous mode [ 64.035300][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.042854][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.052578][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.063322][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.070729][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.081722][ T8438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.090799][ T8438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.099518][ T8438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.110714][ T8438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.154927][ T32] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.167388][ T32] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.185776][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.198639][ T32] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.209873][ T32] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.217714][ T3463] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/07/27 23:20:14 building call list... [ 64.587888][ T32] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 66.169621][ T8427] BUG: sleeping function called from invalid context at mm/page_alloc.c:5167 [ 66.178390][ T8427] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8427, name: syz-fuzzer [ 66.187401][ T8427] INFO: lockdep is turned off. [ 66.192145][ T8427] irq event stamp: 0 [ 66.196027][ T8427] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.203132][ T8427] hardirqs last disabled at (0): [] copy_process+0x1dcd/0x74d0 [ 66.212264][ T8427] softirqs last enabled at (0): [] copy_process+0x1e0e/0x74d0 [ 66.221385][ T8427] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.228496][ T8427] CPU: 1 PID: 8427 Comm: syz-fuzzer Tainted: G W 5.14.0-rc1-syzkaller #0 [ 66.238204][ T8427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.248249][ T8427] Call Trace: [ 66.251520][ T8427] dump_stack_lvl+0xcd/0x134 [ 66.256111][ T8427] ___might_sleep.cold+0x1f1/0x237 [ 66.261219][ T8427] prepare_alloc_pages+0x3da/0x580 [ 66.266330][ T8427] ? do_syscall_64+0x35/0xb0 [ 66.270917][ T8427] __alloc_pages+0x12f/0x500 [ 66.275519][ T8427] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 66.282279][ T8427] ? __unwind_start+0x51b/0x800 [ 66.287127][ T8427] ? __kernel_text_address+0x9/0x30 [ 66.292320][ T8427] alloc_pages+0x18c/0x2a0 [ 66.296730][ T8427] stack_depot_save+0x39d/0x4e0 [ 66.301582][ T8427] save_stack+0x15e/0x1e0 [ 66.305908][ T8427] ? register_early_stack+0xb0/0xb0 [ 66.311099][ T8427] ? lock_release+0x720/0x720 [ 66.315764][ T8427] ? __alloc_pages_bulk+0x8b9/0x1870 [ 66.321038][ T8427] ? __vmalloc_node_range+0x39d/0x960 [ 66.326403][ T8427] ? vzalloc+0x67/0x80 [ 66.330467][ T8427] ? n_tty_open+0x16/0x170 [ 66.334894][ T8427] ? tty_ldisc_open+0x9b/0x110 [ 66.339653][ T8427] ? tty_ldisc_setup+0x43/0x100 [ 66.344493][ T8427] ? tty_init_dev.part.0+0x1f4/0x610 [ 66.349775][ T8427] ? tty_open+0xb16/0x1000 [ 66.354200][ T8427] ? chrdev_open+0x266/0x770 [ 66.358785][ T8427] ? do_dentry_open+0x4c8/0x11d0 [ 66.363719][ T8427] ? path_openat+0x1c23/0x27f0 [ 66.368474][ T8427] ? do_filp_open+0x1aa/0x400 [ 66.373144][ T8427] ? do_sys_openat2+0x16d/0x420 [ 66.377991][ T8427] ? __x64_sys_openat+0x13f/0x1f0 [ 66.383012][ T8427] ? do_syscall_64+0x35/0xb0 [ 66.387596][ T8427] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.393666][ T8427] ? preempt_count_add+0x74/0x140 [ 66.398694][ T8427] __set_page_owner+0x50/0x290 [ 66.403454][ T8427] ? post_alloc_hook+0x145/0x1e0 [ 66.408409][ T8427] __alloc_pages_bulk+0x8b9/0x1870 [ 66.413523][ T8427] ? __alloc_pages+0x500/0x500 [ 66.418280][ T8427] ? rwlock_bug.part.0+0x90/0x90 [ 66.423213][ T8427] ? trace_kmalloc_node+0x32/0x100 [ 66.428320][ T8427] ? rcu_read_lock_sched_held+0xd/0x70 [ 66.433780][ T8427] ? trace_kmalloc_node+0x32/0x100 [ 66.438885][ T8427] __vmalloc_node_range+0x39d/0x960 [ 66.444081][ T8427] ? vfree_atomic+0xe0/0xe0 [ 66.448581][ T8427] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 66.454384][ T8427] ? __ldsem_down_read_nested+0x850/0x850 [ 66.460099][ T8427] ? __wake_up_common+0x650/0x650 [ 66.465135][ T8427] ? n_tty_open+0x16/0x170 [ 66.469562][ T8427] vzalloc+0x67/0x80 [ 66.473454][ T8427] ? n_tty_open+0x16/0x170 [ 66.477865][ T8427] n_tty_open+0x16/0x170 [ 66.482105][ T8427] ? n_tty_set_termios+0x1010/0x1010 [ 66.487387][ T8427] tty_ldisc_open+0x9b/0x110 [ 66.491973][ T8427] tty_ldisc_setup+0x43/0x100 [ 66.496643][ T8427] tty_init_dev.part.0+0x1f4/0x610 [ 66.501752][ T8427] tty_open+0xb16/0x1000 [ 66.506009][ T8427] ? tty_init_dev+0x80/0x80 [ 66.510505][ T8427] ? rwlock_bug.part.0+0x90/0x90 [ 66.515439][ T8427] ? tty_init_dev+0x80/0x80 [ 66.519945][ T8427] chrdev_open+0x266/0x770 [ 66.524371][ T8427] ? cdev_device_add+0x210/0x210 [ 66.529302][ T8427] ? security_file_open+0x205/0x4f0 [ 66.534497][ T8427] do_dentry_open+0x4c8/0x11d0 [ 66.539279][ T8427] ? cdev_device_add+0x210/0x210 [ 66.544207][ T8427] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.550439][ T8427] ? may_open+0x1f6/0x420 [ 66.554786][ T8427] path_openat+0x1c23/0x27f0 [ 66.559369][ T8427] ? i8237A_resume+0x30/0x90 [ 66.563955][ T8427] ? path_lookupat+0x860/0x860 [ 66.568709][ T8427] ? stack_trace_save+0x8c/0xc0 [ 66.573554][ T8427] ? stack_trace_consume_entry+0x160/0x160 [ 66.579358][ T8427] do_filp_open+0x1aa/0x400 [ 66.583862][ T8427] ? may_open_dev+0xf0/0xf0 [ 66.588378][ T8427] ? rwlock_bug.part.0+0x90/0x90 [ 66.593313][ T8427] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 66.599552][ T8427] ? _find_next_bit+0x1e3/0x260 [ 66.604414][ T8427] ? _raw_spin_unlock+0x24/0x40 [ 66.609268][ T8427] ? alloc_fd+0x2f0/0x670 [ 66.613596][ T8427] do_sys_openat2+0x16d/0x420 [ 66.618268][ T8427] ? build_open_flags+0x6f0/0x6f0 [ 66.623289][ T8427] ? lock_acquire+0x442/0x510 [ 66.627958][ T8427] ? lock_release+0x522/0x720 [ 66.632628][ T8427] ? __context_tracking_exit+0xb8/0xe0 [ 66.638085][ T8427] ? lock_downgrade+0x6e0/0x6e0 [ 66.642935][ T8427] ? lock_downgrade+0x6e0/0x6e0 [ 66.647782][ T8427] __x64_sys_openat+0x13f/0x1f0 [ 66.652631][ T8427] ? __ia32_sys_open+0x1c0/0x1c0 [ 66.657566][ T8427] ? syscall_enter_from_user_mode+0x21/0x70 [ 66.663459][ T8427] do_syscall_64+0x35/0xb0 [ 66.667870][ T8427] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.673766][ T8427] RIP: 0033:0x4af20a [ 66.677654][ T8427] Code: e8 3b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 [ 66.697270][ T8427] RSP: 002b:000000c0000df3f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000101 [ 66.705674][ T8427] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af20a [ 66.713632][ T8427] RDX: 0000000000000000 RSI: 000000c000165a80 RDI: ffffffffffffff9c [ 66.721590][ T8427] RBP: 000000c0000df470 R08: 0000000000000000 R09: 0000000000000000 [ 66.729553][ T8427] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000000001a9 [ 66.737512][ T8427] R13: 00000000000001a8 R14: 0000000000000200 R15: 000000c000337ea0 [ 66.820740][ T8427] can: request_module (can-proto-0) failed. [ 66.831553][ T8427] can: request_module (can-proto-0) failed. [ 66.842013][ T8427] can: request_module (can-proto-0) failed.