Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. 2021/04/05 10:39:40 parsed 1 programs 2021/04/05 10:39:40 executed programs: 0 syzkaller login: [ 302.140600][ T8446] IPVS: ftp: loaded support on port[0] = 21 [ 302.330656][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 302.380532][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 302.388169][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 302.397319][ T8446] device bridge_slave_0 entered promiscuous mode [ 302.407488][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 302.415432][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 302.423748][ T8446] device bridge_slave_1 entered promiscuous mode [ 302.442909][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 302.454282][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 302.475518][ T8446] team0: Port device team_slave_0 added [ 302.483140][ T8446] team0: Port device team_slave_1 added [ 302.501588][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 302.508621][ T8446] 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. [ 302.535722][ T8446] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 302.548395][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 302.555424][ T8446] 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. [ 302.581456][ T8446] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 302.607999][ T8446] device hsr_slave_0 entered promiscuous mode [ 302.614771][ T8446] device hsr_slave_1 entered promiscuous mode [ 302.717378][ T8446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 302.727663][ T8446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 302.739442][ T8446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 302.749033][ T8446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 302.775892][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 302.783107][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 302.791220][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 302.798297][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 302.842357][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 302.857693][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 302.871959][ T3785] bridge0: port 1(bridge_slave_0) entered disabled state [ 302.880733][ T3785] bridge0: port 2(bridge_slave_1) entered disabled state [ 302.888816][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 302.903881][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 302.915294][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 302.925262][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 302.932391][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 302.950735][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 302.959979][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 302.967049][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 302.984796][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 302.996009][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 303.005927][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 303.023153][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 303.031923][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 303.043655][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 303.061726][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 303.070128][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 303.083166][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 303.109769][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 303.125189][ T8446] device veth0_vlan entered promiscuous mode [ 303.132695][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 303.144252][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 303.152603][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 303.164852][ T8446] device veth1_vlan entered promiscuous mode [ 303.187686][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 303.196858][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 303.205417][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 303.216636][ T8446] device veth0_macvtap entered promiscuous mode [ 303.227326][ T8446] device veth1_macvtap entered promiscuous mode [ 303.244695][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 303.254753][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 303.264493][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 303.276179][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 303.284463][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 303.298459][ T8446] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 303.307755][ T8446] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 303.316772][ T8446] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 303.325883][ T8446] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 303.426559][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 303.450322][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 303.453591][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 303.458335][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 303.479660][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 303.488916][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 303.539641][ C0] hrtimer: interrupt took 61247 ns [ 304.160924][ T7] Bluetooth: hci0: command 0x0409 tx timeout 2021/04/05 10:39:45 executed programs: 21 [ 306.242908][ T36] Bluetooth: hci0: command 0x041b tx timeout [ 308.319093][ T20] Bluetooth: hci0: command 0x040f tx timeout [ 310.398885][ T36] Bluetooth: hci0: command 0x0419 tx timeout 2021/04/05 10:39:50 executed programs: 68 2021/04/05 10:39:55 executed programs: 119 [ 316.881641][ T3230] ieee802154 phy0 wpan0: encryption failed: -22 [ 316.888354][ T3230] ieee802154 phy1 wpan1: encryption failed: -22 2021/04/05 10:40:00 executed programs: 173 2021/04/05 10:40:05 executed programs: 225 2021/04/05 10:40:10 executed programs: 284 2021/04/05 10:40:15 executed programs: 352 2021/04/05 10:40:20 executed programs: 419 2021/04/05 10:40:25 executed programs: 490 2021/04/05 10:40:30 executed programs: 555 2021/04/05 10:40:35 executed programs: 617 2021/04/05 10:40:40 executed programs: 676 2021/04/05 10:40:45 executed programs: 734 2021/04/05 10:40:50 executed programs: 801 [ 372.895831][T10631] ================================================================== [ 372.904369][T10631] BUG: KASAN: use-after-free in try_to_grab_pending.part.0+0x26/0x770 [ 372.912670][T10631] Write of size 8 at addr ffff8881434b5390 by task syz-executor.0/10631 [ 372.921016][T10631] [ 372.923350][T10631] CPU: 1 PID: 10631 Comm: syz-executor.0 Not tainted 5.12.0-rc4-syzkaller #0 [ 372.932130][T10631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.942199][T10631] Call Trace: [ 372.945494][T10631] dump_stack+0x141/0x1d7 [ 372.949925][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 372.955750][T10631] print_address_description.constprop.0.cold+0x5b/0x2f8 [ 372.962842][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 372.968772][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 372.974598][T10631] kasan_report.cold+0x7c/0xd8 [ 372.979383][T10631] ? finish_task_switch.isra.0+0x181/0x810 [ 372.985268][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 372.992011][T10631] kasan_check_range+0x13d/0x180 [ 372.997050][T10631] try_to_grab_pending.part.0+0x26/0x770 [ 373.002705][T10631] ? lockdep_hardirqs_off+0x90/0xd0 [ 373.007951][T10631] try_to_grab_pending+0xa1/0xd0 [ 373.012906][T10631] __cancel_work_timer+0xa6/0x570 [ 373.017945][T10631] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 373.024167][T10631] ? try_to_grab_pending+0xd0/0xd0 [ 373.029299][T10631] ? lockdep_hardirqs_on+0x79/0x100 [ 373.034520][T10631] ? sk_psock_stop+0x382/0x4d0 [ 373.039456][T10631] ? sk_psock_stop+0x39e/0x4d0 [ 373.044247][T10631] sk_psock_stop+0x3ab/0x4d0 [ 373.048863][T10631] ? __tcp_close+0x1170/0x1170 [ 373.053672][T10631] ? __tcp_close+0x1170/0x1170 [ 373.058574][T10631] sock_map_close+0x172/0x390 [ 373.063277][T10631] inet_release+0x12e/0x280 [ 373.067865][T10631] __sock_release+0xcd/0x280 [ 373.072543][T10631] sock_close+0x18/0x20 [ 373.076808][T10631] __fput+0x288/0x920 [ 373.080874][T10631] ? __sock_release+0x280/0x280 [ 373.085748][T10631] task_work_run+0xdd/0x1a0 [ 373.090386][T10631] exit_to_user_mode_prepare+0x249/0x250 [ 373.096183][T10631] syscall_exit_to_user_mode+0x19/0x60 [ 373.101664][T10631] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 373.107581][T10631] RIP: 0033:0x466459 [ 373.111485][T10631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 373.131109][T10631] RSP: 002b:00007ff5efe9d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 373.139541][T10631] RAX: 0000000000000000 RBX: 000000000056bf60 RCX: 0000000000466459 [ 373.147611][T10631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 373.155898][T10631] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 373.163879][T10631] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 373.171865][T10631] R13: 00007ffe6f05b11f R14: 00007ff5efe9d300 R15: 0000000000022000 [ 373.179874][T10631] [ 373.182203][T10631] Allocated by task 10631: [ 373.186617][T10631] kasan_save_stack+0x1b/0x40 [ 373.191308][T10631] __kasan_kmalloc+0x99/0xc0 [ 373.195905][T10631] sk_psock_init+0xaf/0x730 [ 373.200421][T10631] sock_map_link+0xbf4/0x1020 [ 373.205119][T10631] sock_hash_update_common+0xe2/0xa60 [ 373.210510][T10631] sock_map_update_elem_sys+0x561/0x680 [ 373.216075][T10631] bpf_map_update_value.isra.0+0x36b/0x8d0 [ 373.221976][T10631] __do_sys_bpf+0x2d6e/0x4f40 [ 373.226666][T10631] do_syscall_64+0x2d/0x70 [ 373.231106][T10631] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 373.237533][T10631] [ 373.239855][T10631] Freed by task 3785: [ 373.243834][T10631] kasan_save_stack+0x1b/0x40 [ 373.248526][T10631] kasan_set_track+0x1c/0x30 [ 373.253125][T10631] kasan_set_free_info+0x20/0x30 [ 373.258083][T10631] __kasan_slab_free+0xf5/0x130 [ 373.262949][T10631] slab_free_freelist_hook+0x92/0x210 [ 373.268326][T10631] kfree+0xe5/0x7f0 [ 373.272140][T10631] process_one_work+0x98d/0x1600 [ 373.277094][T10631] worker_thread+0x64c/0x1120 [ 373.281779][T10631] kthread+0x3b1/0x4a0 [ 373.285856][T10631] ret_from_fork+0x1f/0x30 [ 373.290305][T10631] [ 373.292713][T10631] Last potentially related work creation: [ 373.298426][T10631] kasan_save_stack+0x1b/0x40 [ 373.303117][T10631] kasan_record_aux_stack+0xe5/0x110 [ 373.308414][T10631] insert_work+0x48/0x370 [ 373.312753][T10631] __queue_work+0x5c1/0xf00 [ 373.317265][T10631] rcu_work_rcufn+0x58/0x80 [ 373.321777][T10631] rcu_core+0x74a/0x12f0 [ 373.326080][T10631] __do_softirq+0x29b/0x9f6 [ 373.330636][T10631] [ 373.332956][T10631] Second to last potentially related work creation: [ 373.339538][T10631] kasan_save_stack+0x1b/0x40 [ 373.344229][T10631] kasan_record_aux_stack+0xe5/0x110 [ 373.349523][T10631] call_rcu+0xb1/0x740 [ 373.353605][T10631] queue_rcu_work+0x82/0xa0 [ 373.358119][T10631] sock_map_unref+0x109/0x190 [ 373.362810][T10631] sock_map_remove_links+0x389/0x530 [ 373.368112][T10631] sock_map_close+0x12f/0x390 [ 373.372799][T10631] inet_release+0x12e/0x280 [ 373.377403][T10631] __sock_release+0xcd/0x280 [ 373.382005][T10631] sock_close+0x18/0x20 [ 373.386168][T10631] __fput+0x288/0x920 [ 373.390160][T10631] task_work_run+0xdd/0x1a0 [ 373.394675][T10631] exit_to_user_mode_prepare+0x249/0x250 [ 373.400321][T10631] syscall_exit_to_user_mode+0x19/0x60 [ 373.405792][T10631] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 373.411791][T10631] [ 373.414116][T10631] The buggy address belongs to the object at ffff8881434b5000 [ 373.414116][T10631] which belongs to the cache kmalloc-2k of size 2048 [ 373.428174][T10631] The buggy address is located 912 bytes inside of [ 373.428174][T10631] 2048-byte region [ffff8881434b5000, ffff8881434b5800) [ 373.441634][T10631] The buggy address belongs to the page: [ 373.447269][T10631] page:ffffea00050d2c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1434b0 [ 373.457518][T10631] head:ffffea00050d2c00 order:3 compound_mapcount:0 compound_pincount:0 [ 373.465853][T10631] flags: 0x57ff00000010200(slab|head) [ 373.471243][T10631] raw: 057ff00000010200 dead000000000100 dead000000000122 ffff888010842000 [ 373.479839][T10631] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 373.488429][T10631] page dumped because: kasan: bad access detected [ 373.494842][T10631] [ 373.497169][T10631] Memory state around the buggy address: [ 373.502801][T10631] ffff8881434b5280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 373.510874][T10631] ffff8881434b5300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 373.518943][T10631] >ffff8881434b5380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 373.527004][T10631] ^ [ 373.531603][T10631] ffff8881434b5400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 373.539668][T10631] ffff8881434b5480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 373.547731][T10631] ================================================================== [ 373.555796][T10631] Disabling lock debugging due to kernel taint [ 373.562028][T10631] Kernel panic - not syncing: panic_on_warn set ... [ 373.568610][T10631] CPU: 1 PID: 10631 Comm: syz-executor.0 Tainted: G B 5.12.0-rc4-syzkaller #0 [ 373.578770][T10631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.588832][T10631] Call Trace: [ 373.592129][T10631] dump_stack+0x141/0x1d7 [ 373.596475][T10631] panic+0x306/0x73d [ 373.600414][T10631] ? __warn_printk+0xf3/0xf3 [ 373.605018][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 373.610831][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 373.616644][T10631] end_report.cold+0x5a/0x5a [ 373.621244][T10631] kasan_report.cold+0x6a/0xd8 [ 373.626021][T10631] ? finish_task_switch.isra.0+0x181/0x810 [ 373.631837][T10631] ? try_to_grab_pending.part.0+0x26/0x770 [ 373.637655][T10631] kasan_check_range+0x13d/0x180 [ 373.642604][T10631] try_to_grab_pending.part.0+0x26/0x770 [ 373.648248][T10631] ? lockdep_hardirqs_off+0x90/0xd0 [ 373.653460][T10631] try_to_grab_pending+0xa1/0xd0 [ 373.658410][T10631] __cancel_work_timer+0xa6/0x570 [ 373.663439][T10631] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 373.669607][T10631] ? try_to_grab_pending+0xd0/0xd0 [ 373.674729][T10631] ? lockdep_hardirqs_on+0x79/0x100 [ 373.679945][T10631] ? sk_psock_stop+0x382/0x4d0 [ 373.684718][T10631] ? sk_psock_stop+0x39e/0x4d0 [ 373.689487][T10631] sk_psock_stop+0x3ab/0x4d0 [ 373.694082][T10631] ? __tcp_close+0x1170/0x1170 [ 373.698857][T10631] ? __tcp_close+0x1170/0x1170 [ 373.703726][T10631] sock_map_close+0x172/0x390 [ 373.708411][T10631] inet_release+0x12e/0x280 [ 373.712924][T10631] __sock_release+0xcd/0x280 [ 373.717528][T10631] sock_close+0x18/0x20 [ 373.721695][T10631] __fput+0x288/0x920 [ 373.725684][T10631] ? __sock_release+0x280/0x280 [ 373.730550][T10631] task_work_run+0xdd/0x1a0 [ 373.735149][T10631] exit_to_user_mode_prepare+0x249/0x250 [ 373.740790][T10631] syscall_exit_to_user_mode+0x19/0x60 [ 373.746262][T10631] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 373.752171][T10631] RIP: 0033:0x466459 [ 373.756068][T10631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 373.775683][T10631] RSP: 002b:00007ff5efe9d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 373.784103][T10631] RAX: 0000000000000000 RBX: 000000000056bf60 RCX: 0000000000466459 [ 373.792083][T10631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 373.800062][T10631] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 373.808044][T10631] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 373.816121][T10631] R13: 00007ffe6f05b11f R14: 00007ff5efe9d300 R15: 0000000000022000 [ 373.824837][T10631] Kernel Offset: disabled [ 373.829154][T10631] Rebooting in 86400 seconds..