Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. 2021/07/21 15:56:40 fuzzer started 2021/07/21 15:56:40 connecting to host at 10.128.0.169:38003 2021/07/21 15:56:40 checking machine... 2021/07/21 15:56:40 checking revisions... 2021/07/21 15:56:40 testing simple program... [ 59.686930][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 59.724235][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.731444][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.739537][ T8444] device bridge_slave_0 entered promiscuous mode [ 59.747972][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.755735][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.764261][ T8444] device bridge_slave_1 entered promiscuous mode [ 59.780584][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.791025][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.808346][ T8444] team0: Port device team_slave_0 added [ 59.816157][ T8444] team0: Port device team_slave_1 added [ 59.829053][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.836698][ T8444] 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. [ 59.862716][ T8444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.875116][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.882249][ T8444] 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. [ 59.910922][ T8444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.932627][ T8444] device hsr_slave_0 entered promiscuous mode [ 59.939172][ T8444] device hsr_slave_1 entered promiscuous mode [ 60.002409][ T8444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.010987][ T8444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.020503][ T8444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.029475][ T8444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.047691][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.054959][ T8444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.062241][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.069320][ T8444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.104929][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.116407][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.125289][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.133951][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.142112][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.153817][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.164539][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.173998][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.181144][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.204956][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.213682][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.220994][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.230112][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.238925][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.248036][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.256884][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.266129][ T8444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.275599][ T4881] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.289626][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.298184][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.309257][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.332707][ T8444] device veth0_vlan entered promiscuous mode [ 60.339810][ T4881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.349064][ T4881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.358030][ T4881] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.366887][ T4881] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.378412][ T8444] device veth1_vlan entered promiscuous mode [ 60.394136][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.402535][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.411590][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.421834][ T8444] device veth0_macvtap entered promiscuous mode [ 60.432042][ T8444] device veth1_macvtap entered promiscuous mode [ 60.445585][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.452850][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.462719][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.474019][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.481581][ T4881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.493273][ T8444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.502068][ T8444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.512085][ T8444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.521327][ T8444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.568789][ T82] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.580060][ T82] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.607375][ T173] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.608045][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.621874][ T173] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.631937][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/07/21 15:56:43 building call list... [ 60.956184][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 62.507976][ T8437] BUG: sleeping function called from invalid context at mm/page_alloc.c:5167 [ 62.516760][ T8437] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8437, name: syz-fuzzer [ 62.525766][ T8437] INFO: lockdep is turned off. [ 62.530503][ T8437] irq event stamp: 0 [ 62.534371][ T8437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.541464][ T8437] hardirqs last disabled at (0): [] copy_process+0x1dcd/0x7510 [ 62.550664][ T8437] softirqs last enabled at (0): [] copy_process+0x1e0e/0x7510 [ 62.559762][ T8437] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.567038][ T8437] CPU: 1 PID: 8437 Comm: syz-fuzzer Tainted: G W 5.14.0-rc1-syzkaller #0 [ 62.576736][ T8437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.586773][ T8437] Call Trace: [ 62.590050][ T8437] dump_stack_lvl+0xcd/0x134 [ 62.594639][ T8437] ___might_sleep.cold+0x1f1/0x237 [ 62.599733][ T8437] prepare_alloc_pages+0x3da/0x580 [ 62.604828][ T8437] ? __x64_sys_openat+0x13f/0x1f0 [ 62.609832][ T8437] __alloc_pages+0x12f/0x500 [ 62.614486][ T8437] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 62.621239][ T8437] ? __unwind_start+0x51b/0x800 [ 62.626088][ T8437] ? __kernel_text_address+0x9/0x30 [ 62.631283][ T8437] alloc_pages+0x18c/0x2a0 [ 62.635692][ T8437] stack_depot_save+0x39d/0x4e0 [ 62.640529][ T8437] save_stack+0x15e/0x1e0 [ 62.644851][ T8437] ? register_early_stack+0xb0/0xb0 [ 62.650034][ T8437] ? lock_release+0x720/0x720 [ 62.654690][ T8437] ? __alloc_pages_bulk+0x8b9/0x1870 [ 62.660043][ T8437] ? __vmalloc_node_range+0x39d/0x960 [ 62.665827][ T8437] ? vzalloc+0x67/0x80 [ 62.670146][ T8437] ? n_tty_open+0x16/0x170 [ 62.674544][ T8437] ? tty_ldisc_open+0x9b/0x110 [ 62.679282][ T8437] ? tty_ldisc_setup+0x90/0x100 [ 62.684122][ T8437] ? tty_init_dev.part.0+0x1f4/0x610 [ 62.689392][ T8437] ? tty_init_dev+0x5b/0x80 [ 62.693873][ T8437] ? ptmx_open+0x112/0x360 [ 62.698269][ T8437] ? chrdev_open+0x266/0x770 [ 62.702839][ T8437] ? do_dentry_open+0x4c8/0x11d0 [ 62.707871][ T8437] ? path_openat+0x1c23/0x27f0 [ 62.712702][ T8437] ? do_filp_open+0x1aa/0x400 [ 62.717442][ T8437] ? do_sys_openat2+0x16d/0x420 [ 62.722291][ T8437] ? __x64_sys_openat+0x13f/0x1f0 [ 62.727308][ T8437] ? do_syscall_64+0x35/0xb0 [ 62.731900][ T8437] ? preempt_count_add+0x74/0x140 [ 62.736905][ T8437] __set_page_owner+0x50/0x290 [ 62.741664][ T8437] ? post_alloc_hook+0x145/0x1e0 [ 62.746589][ T8437] __alloc_pages_bulk+0x8b9/0x1870 [ 62.751685][ T8437] ? __alloc_pages+0x500/0x500 [ 62.756424][ T8437] ? rwlock_bug.part.0+0x90/0x90 [ 62.761342][ T8437] ? trace_kmalloc_node+0x32/0x100 [ 62.766433][ T8437] ? rcu_read_lock_sched_held+0xd/0x70 [ 62.771883][ T8437] ? trace_kmalloc_node+0x32/0x100 [ 62.776990][ T8437] __vmalloc_node_range+0x39d/0x960 [ 62.782257][ T8437] ? vfree_atomic+0xe0/0xe0 [ 62.786741][ T8437] ? down_write_killable_nested+0x180/0x180 [ 62.792630][ T8437] ? downgrade_write+0x3a0/0x3a0 [ 62.797646][ T8437] ? n_tty_open+0x16/0x170 [ 62.802046][ T8437] vzalloc+0x67/0x80 [ 62.805942][ T8437] ? n_tty_open+0x16/0x170 [ 62.810350][ T8437] n_tty_open+0x16/0x170 [ 62.814571][ T8437] ? n_tty_set_termios+0x1010/0x1010 [ 62.819836][ T8437] tty_ldisc_open+0x9b/0x110 [ 62.824415][ T8437] tty_ldisc_setup+0x90/0x100 [ 62.829069][ T8437] tty_init_dev.part.0+0x1f4/0x610 [ 62.834171][ T8437] ? pty_unix98_compat_ioctl+0x50/0x50 [ 62.839697][ T8437] tty_init_dev+0x5b/0x80 [ 62.844180][ T8437] ptmx_open+0x112/0x360 [ 62.848407][ T8437] ? pty_unix98_compat_ioctl+0x50/0x50 [ 62.853912][ T8437] chrdev_open+0x266/0x770 [ 62.858313][ T8437] ? cdev_device_add+0x210/0x210 [ 62.863228][ T8437] ? security_file_open+0x205/0x4f0 [ 62.868408][ T8437] do_dentry_open+0x4c8/0x11d0 [ 62.873238][ T8437] ? cdev_device_add+0x210/0x210 [ 62.878180][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.884494][ T8437] ? may_open+0x1f6/0x420 [ 62.888802][ T8437] path_openat+0x1c23/0x27f0 [ 62.893383][ T8437] ? i8237A_resume+0x30/0x90 [ 62.897961][ T8437] ? path_lookupat+0x860/0x860 [ 62.902704][ T8437] ? stack_trace_save+0x8c/0xc0 [ 62.907531][ T8437] ? stack_trace_consume_entry+0x160/0x160 [ 62.913322][ T8437] do_filp_open+0x1aa/0x400 [ 62.917805][ T8437] ? may_open_dev+0xf0/0xf0 [ 62.922288][ T8437] ? rwlock_bug.part.0+0x90/0x90 [ 62.927222][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 62.933454][ T8437] ? _find_next_bit+0x1e3/0x260 [ 62.938284][ T8437] ? _raw_spin_unlock+0x24/0x40 [ 62.943297][ T8437] ? alloc_fd+0x2f0/0x670 [ 62.947711][ T8437] do_sys_openat2+0x16d/0x420 [ 62.952374][ T8437] ? clone_private_mount+0x140/0x140 [ 62.957726][ T8437] ? security_file_free+0xa4/0xd0 [ 62.962756][ T8437] ? build_open_flags+0x6f0/0x6f0 [ 62.967759][ T8437] ? lock_acquire+0x442/0x510 [ 62.972433][ T8437] ? lock_release+0x522/0x720 [ 62.977175][ T8437] ? __context_tracking_exit+0xb8/0xe0 [ 62.982637][ T8437] ? lock_downgrade+0x6e0/0x6e0 [ 62.987471][ T8437] __x64_sys_openat+0x13f/0x1f0 [ 62.992311][ T8437] ? __ia32_sys_open+0x1c0/0x1c0 [ 62.997230][ T8437] ? syscall_enter_from_user_mode+0x21/0x70 [ 63.003106][ T8437] do_syscall_64+0x35/0xb0 [ 63.007569][ T8437] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.013453][ T8437] RIP: 0033:0x4af20a [ 63.017411][ T8437] 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 [ 63.037303][ T8437] RSP: 002b:000000c0002ff3f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000101 [ 63.045718][ T8437] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af20a [ 63.053856][ T8437] RDX: 0000000000000000 RSI: 000000c0001a98d0 RDI: ffffffffffffff9c [ 63.061981][ T8437] RBP: 000000c0002ff470 R08: 0000000000000000 R09: 0000000000000000 [ 63.070030][ T8437] R10: 0000000000000000 R11: 0000000000000216 R12: 000000000000018e [ 63.077980][ T8437] R13: 000000000000018d R14: 0000000000000200 R15: 000000c0002aa000 [ 63.157519][ T8437] can: request_module (can-proto-0) failed. [ 63.167871][ T8437] can: request_module (can-proto-0) failed. [ 63.178444][ T8437] can: request_module (can-proto-0) failed.