Warning: Permanently added '10.128.0.199' (ECDSA) to the list of known hosts. 2021/07/02 11:17:53 fuzzer started 2021/07/02 11:17:53 connecting to host at 10.128.0.169:39605 2021/07/02 11:17:53 checking machine... 2021/07/02 11:17:53 checking revisions... 2021/07/02 11:17:54 testing simple program... [ 63.282226][ T8471] chnl_net:caif_netlink_parms(): no params data found [ 63.314043][ T8471] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.321766][ T8471] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.329540][ T8471] device bridge_slave_0 entered promiscuous mode [ 63.337917][ T8471] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.345077][ T8471] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.352881][ T8471] device bridge_slave_1 entered promiscuous mode [ 63.367604][ T8471] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.377934][ T8471] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.394994][ T8471] team0: Port device team_slave_0 added [ 63.402399][ T8471] team0: Port device team_slave_1 added [ 63.415662][ T8471] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.423096][ T8471] 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. [ 63.449647][ T8471] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.461427][ T8471] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.468384][ T8471] 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. [ 63.494513][ T8471] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.515100][ T8471] device hsr_slave_0 entered promiscuous mode [ 63.521915][ T8471] device hsr_slave_1 entered promiscuous mode [ 63.586797][ T8471] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.595763][ T8471] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.605200][ T8471] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.614510][ T8471] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.632358][ T8471] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.639530][ T8471] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.646998][ T8471] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.654098][ T8471] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.683973][ T8471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.694805][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.704021][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.711792][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.719490][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.730000][ T8471] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.739603][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.749329][ T3818] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.756429][ T3818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.772857][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.781131][ T3818] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.788258][ T3818] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.798892][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.807533][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.821773][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.830791][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.842506][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.852955][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.868287][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.875950][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.887843][ T8471] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.903660][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.919117][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.928319][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.936495][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.947217][ T8471] device veth0_vlan entered promiscuous mode [ 63.957931][ T8471] device veth1_vlan entered promiscuous mode [ 63.975242][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.983773][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.992652][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.003688][ T8471] device veth0_macvtap entered promiscuous mode [ 64.013401][ T8471] device veth1_macvtap entered promiscuous mode [ 64.028013][ T8471] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.035860][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.045487][ T3818] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.056634][ T8471] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.064700][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.075649][ T8471] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.084973][ T8471] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.096227][ T8471] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.107398][ T8471] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.166555][ T227] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.176534][ T227] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.193772][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.210547][ T227] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.219045][ T227] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.227330][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/07/02 11:17:56 building call list... [ 64.598454][ T227] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 66.106113][ T8455] BUG: sleeping function called from invalid context at mm/page_alloc.c:5179 [ 66.115123][ T8455] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8455, name: syz-fuzzer [ 66.124303][ T8455] INFO: lockdep is turned off. [ 66.129085][ T8455] irq event stamp: 0 [ 66.132960][ T8455] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.140058][ T8455] hardirqs last disabled at (0): [] copy_process+0x1e1b/0x74c0 [ 66.149165][ T8455] softirqs last enabled at (0): [] copy_process+0x1e5c/0x74c0 [ 66.158354][ T8455] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.165544][ T8455] CPU: 0 PID: 8455 Comm: syz-fuzzer Tainted: G W 5.13.0-syzkaller #0 [ 66.174911][ T8455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.185049][ T8455] Call Trace: [ 66.188423][ T8455] dump_stack_lvl+0xcd/0x134 [ 66.193020][ T8455] ___might_sleep.cold+0x1f1/0x237 [ 66.198204][ T8455] prepare_alloc_pages+0x3da/0x580 [ 66.203314][ T8455] ? exit_to_user_mode_prepare+0x27e/0x290 [ 66.209112][ T8455] __alloc_pages+0x12f/0x500 [ 66.213699][ T8455] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 66.220460][ T8455] ? __unwind_start+0x51b/0x800 [ 66.225395][ T8455] ? __kernel_text_address+0x9/0x30 [ 66.230580][ T8455] alloc_pages+0x18c/0x2a0 [ 66.234999][ T8455] stack_depot_save+0x39d/0x4e0 [ 66.239929][ T8455] save_stack+0x15e/0x1e0 [ 66.244246][ T8455] ? register_early_stack+0xb0/0xb0 [ 66.249427][ T8455] ? lock_release+0x720/0x720 [ 66.254117][ T8455] ? __alloc_pages_bulk+0x8b9/0x1870 [ 66.259393][ T8455] ? __vmalloc_node_range+0x39d/0x960 [ 66.264764][ T8455] ? __vmalloc+0x69/0x80 [ 66.268988][ T8455] ? snd_dma_alloc_pages+0x433/0x590 [ 66.274260][ T8455] ? do_alloc_pages+0x9b/0x160 [ 66.279013][ T8455] ? snd_pcm_lib_malloc_pages+0x3f6/0x880 [ 66.284767][ T8455] ? snd_pcm_hw_params+0x1408/0x1990 [ 66.290041][ T8455] ? snd_pcm_kernel_ioctl+0xd1/0x240 [ 66.295310][ T8455] ? snd_pcm_oss_change_params_locked+0x1958/0x3990 [ 66.301977][ T8455] ? snd_pcm_oss_make_ready+0xe7/0x1b0 [ 66.307437][ T8455] ? snd_pcm_oss_sync+0x1de/0x800 [ 66.312463][ T8455] ? snd_pcm_oss_release+0x276/0x300 [ 66.318005][ T8455] ? __fput+0x288/0x920 [ 66.322148][ T8455] ? task_work_run+0xdd/0x1a0 [ 66.326822][ T8455] ? exit_to_user_mode_prepare+0x27e/0x290 [ 66.332610][ T8455] ? syscall_exit_to_user_mode+0x19/0x60 [ 66.338270][ T8455] ? preempt_count_add+0x74/0x140 [ 66.343497][ T8455] __set_page_owner+0x50/0x290 [ 66.348259][ T8455] ? post_alloc_hook+0x145/0x1e0 [ 66.353198][ T8455] __alloc_pages_bulk+0x8b9/0x1870 [ 66.358326][ T8455] ? __alloc_pages+0x500/0x500 [ 66.363083][ T8455] ? rwlock_bug.part.0+0x90/0x90 [ 66.368026][ T8455] ? trace_kmalloc_node+0x32/0xf0 [ 66.373045][ T8455] ? trace_kmalloc_node+0x32/0xf0 [ 66.378065][ T8455] __vmalloc_node_range+0x39d/0x960 [ 66.383250][ T8455] ? vfree_atomic+0xe0/0xe0 [ 66.387822][ T8455] ? lock_release+0x720/0x720 [ 66.392490][ T8455] ? lock_release+0x522/0x720 [ 66.397247][ T8455] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.403472][ T8455] ? snd_dma_alloc_pages+0x433/0x590 [ 66.408753][ T8455] __vmalloc+0x69/0x80 [ 66.412819][ T8455] ? snd_dma_alloc_pages+0x433/0x590 [ 66.418498][ T8455] snd_dma_alloc_pages+0x433/0x590 [ 66.423750][ T8455] do_alloc_pages+0x9b/0x160 [ 66.428351][ T8455] snd_pcm_lib_malloc_pages+0x3f6/0x880 [ 66.433890][ T8455] ? snd_pcm_hw_params+0x828/0x1990 [ 66.439084][ T8455] snd_pcm_hw_params+0x1408/0x1990 [ 66.444186][ T8455] ? snd_pcm_playback_open+0x130/0x130 [ 66.449659][ T8455] ? snd_pcm_hw_param_near.constprop.0+0x6ca/0x8f0 [ 66.456311][ T8455] ? snd_pcm_oss_disconnect_minor+0x370/0x370 [ 66.462400][ T8455] snd_pcm_kernel_ioctl+0xd1/0x240 [ 66.467516][ T8455] snd_pcm_oss_change_params_locked+0x1958/0x3990 [ 66.473927][ T8455] ? snd_pcm_plugin_append+0x190/0x190 [ 66.479997][ T8455] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.486200][ T8455] ? snd_pcm_oss_make_ready+0xc7/0x1b0 [ 66.491659][ T8455] ? locks_remove_posix+0x33b/0x5e0 [ 66.496860][ T8455] ? kmem_cache_free+0x27b/0x5a0 [ 66.501793][ T8455] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 66.508212][ T8455] ? __fsnotify_parent+0x488/0x9d0 [ 66.513326][ T8455] snd_pcm_oss_make_ready+0xe7/0x1b0 [ 66.518604][ T8455] snd_pcm_oss_sync+0x1de/0x800 [ 66.523454][ T8455] ? lock_release+0x522/0x720 [ 66.528126][ T8455] ? task_work_run+0xbc/0x1a0 [ 66.532837][ T8455] snd_pcm_oss_release+0x276/0x300 [ 66.537943][ T8455] __fput+0x288/0x920 [ 66.542182][ T8455] ? snd_pcm_oss_sync+0x800/0x800 [ 66.547192][ T8455] task_work_run+0xdd/0x1a0 [ 66.551683][ T8455] exit_to_user_mode_prepare+0x27e/0x290 [ 66.557338][ T8455] syscall_exit_to_user_mode+0x19/0x60 [ 66.562973][ T8455] do_syscall_64+0x42/0xb0 [ 66.567387][ T8455] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.573268][ T8455] RIP: 0033:0x4af19b [ 66.577147][ T8455] Code: fb ff eb bd e8 a6 b6 fb ff e9 61 ff ff ff cc e8 9b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 66.596752][ T8455] RSP: 002b:000000c0005fb430 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 66.605169][ T8455] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004af19b [ 66.613124][ T8455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 66.621273][ T8455] RBP: 000000c0005fb470 R08: 0000000000000001 R09: 0000000000000000 [ 66.629239][ T8455] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000013f [ 66.637295][ T8455] R13: 000000000000013e R14: 0000000000000200 R15: 000000c00029d400 [ 66.746377][ T8455] can: request_module (can-proto-0) failed. [ 66.758791][ T8455] can: request_module (can-proto-0) failed. [ 66.769713][ T8455] can: request_module (can-proto-0) failed.