Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. 2021/07/13 19:32:41 fuzzer started 2021/07/13 19:32:41 connecting to host at 10.128.0.169:38833 2021/07/13 19:32:41 checking machine... 2021/07/13 19:32:41 checking revisions... syzkaller login: [ 63.623713][ T8434] BUG: sleeping function called from invalid context at mm/page_alloc.c:5167 [ 63.632943][ T8434] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 8434, name: syz-fuzzer [ 63.642198][ T8434] INFO: lockdep is turned off. [ 63.647057][ T8434] irq event stamp: 0 [ 63.651142][ T8434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.658893][ T8434] hardirqs last disabled at (0): [] copy_process+0x1dcd/0x74d0 [ 63.668758][ T8434] softirqs last enabled at (0): [] copy_process+0x1e0e/0x74d0 [ 63.678258][ T8434] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.685488][ T8434] CPU: 0 PID: 8434 Comm: syz-fuzzer Tainted: G W 5.14.0-rc1-syzkaller #0 [ 63.695604][ T8434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.705920][ T8434] Call Trace: [ 63.709308][ T8434] dump_stack_lvl+0xcd/0x134 [ 63.714023][ T8434] ___might_sleep.cold+0x1f1/0x237 [ 63.719263][ T8434] prepare_alloc_pages+0x3da/0x580 [ 63.724769][ T8434] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.731349][ T8434] __alloc_pages+0x12f/0x500 [ 63.736042][ T8434] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 63.743036][ T8434] ? __kernel_text_address+0x9/0x30 [ 63.748612][ T8434] alloc_pages+0x18c/0x2a0 [ 63.753257][ T8434] stack_depot_save+0x39d/0x4e0 [ 63.758145][ T8434] save_stack+0x15e/0x1e0 [ 63.762492][ T8434] ? register_early_stack+0xb0/0xb0 [ 63.767896][ T8434] ? lock_release+0x720/0x720 [ 63.772588][ T8434] ? __alloc_pages_bulk+0x8b9/0x1870 [ 63.777978][ T8434] ? __vmalloc_node_range+0x39d/0x960 [ 63.783524][ T8434] ? vmalloc_user+0x67/0x80 [ 63.788306][ T8434] ? kcov_mmap+0x2b/0x140 [ 63.793027][ T8434] ? mmap_region+0xcde/0x1760 [ 63.798296][ T8434] ? do_mmap+0x86e/0x1180 [ 63.802836][ T8434] ? vm_mmap_pgoff+0x1b7/0x290 [ 63.807627][ T8434] ? ksys_mmap_pgoff+0x4a8/0x620 [ 63.812853][ T8434] ? do_syscall_64+0x35/0xb0 [ 63.817456][ T8434] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.823938][ T8434] ? lock_acquire+0x442/0x510 [ 63.829284][ T8434] ? lock_release+0x720/0x720 [ 63.834683][ T8434] ? preempt_count_add+0x74/0x140 [ 63.839751][ T8434] __set_page_owner+0x50/0x290 [ 63.845566][ T8434] ? post_alloc_hook+0x145/0x1e0 [ 63.850822][ T8434] __alloc_pages_bulk+0x8b9/0x1870 [ 63.856473][ T8434] ? __alloc_pages+0x500/0x500 [ 63.863603][ T8434] ? rwlock_bug.part.0+0x90/0x90 [ 63.868775][ T8434] ? trace_kmalloc_node+0x32/0x100 [ 63.874849][ T8434] ? rcu_read_lock_sched_held+0xd/0x70 [ 63.880875][ T8434] ? trace_kmalloc_node+0x32/0x100 [ 63.886320][ T8434] __vmalloc_node_range+0x39d/0x960 [ 63.892238][ T8434] ? vfree_atomic+0xe0/0xe0 [ 63.896863][ T8434] ? kcov_mmap+0x2b/0x140 [ 63.901209][ T8434] vmalloc_user+0x67/0x80 [ 63.906013][ T8434] ? kcov_mmap+0x2b/0x140 [ 63.910626][ T8434] kcov_mmap+0x2b/0x140 [ 63.914973][ T8434] ? memset+0x20/0x40 [ 63.918988][ T8434] mmap_region+0xcde/0x1760 [ 63.923590][ T8434] do_mmap+0x86e/0x1180 [ 63.927871][ T8434] vm_mmap_pgoff+0x1b7/0x290 [ 63.932606][ T8434] ? randomize_stack_top+0x100/0x100 [ 63.938871][ T8434] ? __fget_files+0x23d/0x3e0 [ 63.943573][ T8434] ksys_mmap_pgoff+0x4a8/0x620 [ 63.948675][ T8434] ? mlock_future_check+0x120/0x120 [ 63.954581][ T8434] ? syscall_enter_from_user_mode+0x21/0x70 [ 63.962023][ T8434] do_syscall_64+0x35/0xb0 [ 63.966913][ T8434] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.973480][ T8434] RIP: 0033:0x4af20a [ 63.977461][ T8434] 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 [ 63.997961][ T8434] RSP: 002b:000000c0003035d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000009 [ 64.006724][ T8434] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af20a [ 64.014806][ T8434] RDX: 0000000000000003 RSI: 0000000000080000 RDI: 0000000000000000 2021/07/13 19:32:42 testing simple program... [ 64.023377][ T8434] RBP: 000000c000303638 R08: 0000000000000006 R09: 0000000000000000 [ 64.031785][ T8434] R10: 0000000000000001 R11: 0000000000000212 R12: ffffffffffffffff [ 64.040085][ T8434] R13: 0000000000000010 R14: 000000000000000f R15: 00000000000000aa [ 65.542993][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 65.582978][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.590318][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.599461][ T8448] device bridge_slave_0 entered promiscuous mode [ 65.608515][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.616286][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.624861][ T8448] device bridge_slave_1 entered promiscuous mode [ 65.641077][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.652990][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.671393][ T8448] team0: Port device team_slave_0 added [ 65.678691][ T8448] team0: Port device team_slave_1 added [ 65.694328][ T8448] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.702223][ T8448] 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. [ 65.730177][ T8448] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.743312][ T8448] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.750598][ T8448] 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. [ 65.777716][ T8448] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.799164][ T8448] device hsr_slave_0 entered promiscuous mode [ 65.806321][ T8448] device hsr_slave_1 entered promiscuous mode [ 65.875498][ T8448] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.884857][ T8448] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.895411][ T8448] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.904848][ T8448] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.923081][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.930635][ T8448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.939182][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.946372][ T8448] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.978182][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.989798][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.999133][ T4892] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.007243][ T4892] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.015979][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.026717][ T8448] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.036883][ T3180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.045886][ T3180] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.053439][ T3180] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.064189][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.073663][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.081060][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.103438][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.112436][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.120942][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.129909][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.139138][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.149667][ T8448] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.164561][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.172044][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.185641][ T8448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.201347][ T3819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.218915][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.227931][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.236024][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.244895][ T8448] device veth0_vlan entered promiscuous mode [ 66.256136][ T8448] device veth1_vlan entered promiscuous mode [ 66.273711][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.284354][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.293001][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.304039][ T8448] device veth0_macvtap entered promiscuous mode [ 66.315226][ T8448] device veth1_macvtap entered promiscuous mode [ 66.332151][ T8448] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.340032][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.352058][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.364353][ T8448] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.373131][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 66.384886][ T8448] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.395035][ T8448] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.405359][ T8448] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.414848][ T8448] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.463946][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.477609][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.503815][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.520703][ T1133] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.529523][ T1133] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.539740][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/07/13 19:32:44 building call list... [ 66.902471][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.492688][ T8434] can: request_module (can-proto-0) failed. [ 68.504437][ T8434] can: request_module (can-proto-0) failed. [ 68.516490][ T8434] can: request_module (can-proto-0) failed.