Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts. 2021/04/05 11:53:53 parsed 1 programs 2021/04/05 11:53:53 executed programs: 0 syzkaller login: [ 338.269451][ T8429] IPVS: ftp: loaded support on port[0] = 21 [ 338.438876][ T8429] chnl_net:caif_netlink_parms(): no params data found [ 338.497015][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 338.505027][ T8429] bridge0: port 1(bridge_slave_0) entered disabled state [ 338.515042][ T8429] device bridge_slave_0 entered promiscuous mode [ 338.525485][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 338.532657][ T8429] bridge0: port 2(bridge_slave_1) entered disabled state [ 338.541978][ T8429] device bridge_slave_1 entered promiscuous mode [ 338.563680][ T8429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 338.575408][ T8429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 338.599586][ T8429] team0: Port device team_slave_0 added [ 338.607573][ T8429] team0: Port device team_slave_1 added [ 338.625689][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 338.632647][ T8429] 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. [ 338.659158][ T8429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 338.672178][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 338.680728][ T8429] 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. [ 338.707445][ T8429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 338.736048][ T8429] device hsr_slave_0 entered promiscuous mode [ 338.742884][ T8429] device hsr_slave_1 entered promiscuous mode [ 338.847713][ T8429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 338.858659][ T8429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 338.869619][ T8429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 338.882121][ T8429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 338.909087][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 338.916424][ T8429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 338.924702][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 338.931989][ T8429] bridge0: port 1(bridge_slave_0) entered forwarding state [ 338.978066][ T8429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 338.992121][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 339.006054][ T4833] bridge0: port 1(bridge_slave_0) entered disabled state [ 339.015931][ T4833] bridge0: port 2(bridge_slave_1) entered disabled state [ 339.025517][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 339.041134][ T8429] 8021q: adding VLAN 0 to HW filter on device team0 [ 339.052827][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 339.062208][ T8649] bridge0: port 1(bridge_slave_0) entered blocking state [ 339.069536][ T8649] bridge0: port 1(bridge_slave_0) entered forwarding state [ 339.083307][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 339.091829][ T4833] bridge0: port 2(bridge_slave_1) entered blocking state [ 339.106608][ T4833] bridge0: port 2(bridge_slave_1) entered forwarding state [ 339.133785][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 339.142529][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 339.151602][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 339.166306][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 339.174322][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 339.187805][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 339.206756][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 339.215069][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 339.228641][ T8429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 339.251098][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 339.273276][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 339.281698][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 339.290850][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 339.302020][ T8429] device veth0_vlan entered promiscuous mode [ 339.314892][ T8429] device veth1_vlan entered promiscuous mode [ 339.338400][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 339.346812][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 339.356609][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 339.368641][ T8429] device veth0_macvtap entered promiscuous mode [ 339.378917][ T8429] device veth1_macvtap entered promiscuous mode [ 339.398712][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 339.407845][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 339.418059][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 339.430942][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 339.439450][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 339.448055][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 339.460659][ T8429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 339.470138][ T8429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 339.479389][ T8429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 339.490168][ T8429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 339.591658][ T226] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 339.600378][ T226] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 339.610733][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 339.658431][ T832] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 339.667029][ T832] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 339.677201][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 339.731075][ C0] hrtimer: interrupt took 34863 ns [ 340.253975][ T7] Bluetooth: hci0: command 0x0409 tx timeout 2021/04/05 11:53:58 executed programs: 23 [ 342.343876][ T4833] Bluetooth: hci0: command 0x041b tx timeout [ 344.423348][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 346.493550][ T8651] Bluetooth: hci0: command 0x0419 tx timeout 2021/04/05 11:54:03 executed programs: 69 2021/04/05 11:54:08 executed programs: 121 2021/04/05 11:54:13 executed programs: 173 2021/04/05 11:54:18 executed programs: 225 2021/04/05 11:54:23 executed programs: 277 2021/04/05 11:54:28 executed programs: 328 2021/04/05 11:54:33 executed programs: 381 [ 378.438024][ T3233] ieee802154 phy0 wpan0: encryption failed: -22 [ 378.444751][ T3233] ieee802154 phy1 wpan1: encryption failed: -22 2021/04/05 11:54:38 executed programs: 440 2021/04/05 11:54:43 executed programs: 518 2021/04/05 11:54:48 executed programs: 593 2021/04/05 11:54:53 executed programs: 658 2021/04/05 11:54:59 executed programs: 714 2021/04/05 11:55:04 executed programs: 785 [ 412.434356][ T9928] ================================================================== [ 412.442471][ T9928] BUG: KASAN: use-after-free in __lock_acquire+0x3e6f/0x54c0 [ 412.450021][ T9928] Read of size 8 at addr ffff888029d6c238 by task syz-executor.0/9928 [ 412.458207][ T9928] [ 412.461487][ T9928] CPU: 1 PID: 9928 Comm: syz-executor.0 Not tainted 5.12.0-rc4-syzkaller #0 [ 412.470187][ T9928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.480284][ T9928] Call Trace: [ 412.483662][ T9928] dump_stack+0x141/0x1d7 [ 412.488109][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 412.493185][ T9928] print_address_description.constprop.0.cold+0x5b/0x2f8 [ 412.500317][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 412.505375][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 412.510432][ T9928] kasan_report.cold+0x7c/0xd8 [ 412.515251][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 412.520305][ T9928] __lock_acquire+0x3e6f/0x54c0 [ 412.525193][ T9928] ? mark_lock+0xef/0x17b0 [ 412.529640][ T9928] ? lock_chain_count+0x20/0x20 [ 412.534526][ T9928] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 412.540577][ T9928] lock_acquire+0x1ab/0x740 [ 412.545119][ T9928] ? sk_psock_stop+0x2f/0x4d0 [ 412.549908][ T9928] ? lock_release+0x720/0x720 [ 412.554639][ T9928] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 412.561068][ T9928] ? __tcp_close+0x1170/0x1170 [ 412.566079][ T9928] ? __tcp_close+0x1170/0x1170 [ 412.570872][ T9928] _raw_spin_lock_bh+0x2f/0x40 [ 412.576285][ T9928] ? sk_psock_stop+0x2f/0x4d0 [ 412.580991][ T9928] sk_psock_stop+0x2f/0x4d0 [ 412.585518][ T9928] ? __tcp_close+0x1170/0x1170 [ 412.590316][ T9928] ? __tcp_close+0x1170/0x1170 [ 412.595118][ T9928] sock_map_close+0x172/0x390 [ 412.600356][ T9928] inet_release+0x12e/0x280 [ 412.605103][ T9928] __sock_release+0xcd/0x280 [ 412.609909][ T9928] sock_close+0x18/0x20 [ 412.614097][ T9928] __fput+0x288/0x920 [ 412.618212][ T9928] ? __sock_release+0x280/0x280 [ 412.623092][ T9928] task_work_run+0xdd/0x1a0 [ 412.627726][ T9928] exit_to_user_mode_prepare+0x249/0x250 [ 412.633440][ T9928] syscall_exit_to_user_mode+0x19/0x60 [ 412.638970][ T9928] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 412.644908][ T9928] RIP: 0033:0x466459 [ 412.648866][ T9928] 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 [ 412.668502][ T9928] RSP: 002b:00007fff51a9bd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 412.676954][ T9928] RAX: 0000000000000000 RBX: 000000000056bf60 RCX: 0000000000466459 [ 412.684956][ T9928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 412.692962][ T9928] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 412.701047][ T9928] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 412.709128][ T9928] R13: 00007fff51a9beb0 R14: 000000000056bf60 R15: 0000000000064af2 [ 412.717144][ T9928] [ 412.719503][ T9928] Allocated by task 9928: [ 412.724007][ T9928] kasan_save_stack+0x1b/0x40 [ 412.728862][ T9928] __kasan_kmalloc+0x99/0xc0 [ 412.733478][ T9928] sk_psock_init+0xaf/0x730 [ 412.738002][ T9928] sock_map_link+0xbf4/0x1020 [ 412.742733][ T9928] sock_hash_update_common+0xe2/0xa60 [ 412.748136][ T9928] sock_map_update_elem_sys+0x561/0x680 [ 412.753719][ T9928] bpf_map_update_value.isra.0+0x36b/0x8d0 [ 412.759639][ T9928] __do_sys_bpf+0x2d6e/0x4f40 [ 412.764690][ T9928] do_syscall_64+0x2d/0x70 [ 412.769132][ T9928] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 412.775062][ T9928] [ 412.777393][ T9928] Freed by task 8653: [ 412.781376][ T9928] kasan_save_stack+0x1b/0x40 [ 412.786075][ T9928] kasan_set_track+0x1c/0x30 [ 412.790685][ T9928] kasan_set_free_info+0x20/0x30 [ 412.795652][ T9928] __kasan_slab_free+0xf5/0x130 [ 412.800527][ T9928] slab_free_freelist_hook+0x92/0x210 [ 412.805923][ T9928] kfree+0xe5/0x7f0 [ 412.809773][ T9928] process_one_work+0x98d/0x1600 [ 412.814758][ T9928] worker_thread+0x64c/0x1120 [ 412.819465][ T9928] kthread+0x3b1/0x4a0 [ 412.823581][ T9928] ret_from_fork+0x1f/0x30 [ 412.828069][ T9928] [ 412.830402][ T9928] Last potentially related work creation: [ 412.836115][ T9928] kasan_save_stack+0x1b/0x40 [ 412.840819][ T9928] kasan_record_aux_stack+0xe5/0x110 [ 412.846137][ T9928] insert_work+0x48/0x370 [ 412.850501][ T9928] __queue_work+0x5c1/0xf00 [ 412.855023][ T9928] rcu_work_rcufn+0x58/0x80 [ 412.859569][ T9928] rcu_core+0x74a/0x12f0 [ 412.863913][ T9928] __do_softirq+0x29b/0x9f6 [ 412.868499][ T9928] [ 412.870833][ T9928] Second to last potentially related work creation: [ 412.877476][ T9928] kasan_save_stack+0x1b/0x40 [ 412.882195][ T9928] kasan_record_aux_stack+0xe5/0x110 [ 412.887508][ T9928] call_rcu+0xb1/0x740 [ 412.891601][ T9928] queue_rcu_work+0x82/0xa0 [ 412.896126][ T9928] sock_map_unref+0x109/0x190 [ 412.900842][ T9928] sock_map_remove_links+0x389/0x530 [ 412.906153][ T9928] sock_map_close+0x12f/0x390 [ 412.910866][ T9928] inet_release+0x12e/0x280 [ 412.915392][ T9928] __sock_release+0xcd/0x280 [ 412.920030][ T9928] sock_close+0x18/0x20 [ 412.924205][ T9928] __fput+0x288/0x920 [ 412.928212][ T9928] task_work_run+0xdd/0x1a0 [ 412.932734][ T9928] exit_to_user_mode_prepare+0x249/0x250 [ 412.938385][ T9928] syscall_exit_to_user_mode+0x19/0x60 [ 412.943871][ T9928] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 412.950411][ T9928] [ 412.952746][ T9928] The buggy address belongs to the object at ffff888029d6c000 [ 412.952746][ T9928] which belongs to the cache kmalloc-2k of size 2048 [ 412.966818][ T9928] The buggy address is located 568 bytes inside of [ 412.966818][ T9928] 2048-byte region [ffff888029d6c000, ffff888029d6c800) [ 412.980207][ T9928] The buggy address belongs to the page: [ 412.985860][ T9928] page:ffffea0000a75a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888029d68000 pfn:0x29d68 [ 412.997423][ T9928] head:ffffea0000a75a00 order:3 compound_mapcount:0 compound_pincount:0 [ 413.006287][ T9928] flags: 0xfff00000010200(slab|head) [ 413.011619][ T9928] raw: 00fff00000010200 0000000000000000 0000000100000001 ffff888010842000 [ 413.020242][ T9928] raw: ffff888029d68000 0000000080080006 00000001ffffffff 0000000000000000 [ 413.028858][ T9928] page dumped because: kasan: bad access detected [ 413.036000][ T9928] [ 413.038336][ T9928] Memory state around the buggy address: [ 413.043989][ T9928] ffff888029d6c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 413.052177][ T9928] ffff888029d6c180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 413.060261][ T9928] >ffff888029d6c200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 413.068472][ T9928] ^ [ 413.074385][ T9928] ffff888029d6c280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 413.083795][ T9928] ffff888029d6c300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 413.091956][ T9928] ================================================================== [ 413.100059][ T9928] Disabling lock debugging due to kernel taint [ 413.106221][ T9928] Kernel panic - not syncing: panic_on_warn set ... [ 413.112817][ T9928] CPU: 1 PID: 9928 Comm: syz-executor.0 Tainted: G B 5.12.0-rc4-syzkaller #0 [ 413.122900][ T9928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.132973][ T9928] Call Trace: [ 413.136276][ T9928] dump_stack+0x141/0x1d7 [ 413.145158][ T9928] panic+0x306/0x73d [ 413.149121][ T9928] ? __warn_printk+0xf3/0xf3 [ 413.153754][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 413.158843][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 413.163892][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 413.168950][ T9928] end_report.cold+0x5a/0x5a [ 413.173579][ T9928] kasan_report.cold+0x6a/0xd8 [ 413.178388][ T9928] ? __lock_acquire+0x3e6f/0x54c0 [ 413.183467][ T9928] __lock_acquire+0x3e6f/0x54c0 [ 413.188351][ T9928] ? mark_lock+0xef/0x17b0 [ 413.192806][ T9928] ? lock_chain_count+0x20/0x20 [ 413.197712][ T9928] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 413.203730][ T9928] lock_acquire+0x1ab/0x740 [ 413.208258][ T9928] ? sk_psock_stop+0x2f/0x4d0 [ 413.212960][ T9928] ? lock_release+0x720/0x720 [ 413.217658][ T9928] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 413.223844][ T9928] ? __tcp_close+0x1170/0x1170 [ 413.228648][ T9928] ? __tcp_close+0x1170/0x1170 [ 413.233436][ T9928] _raw_spin_lock_bh+0x2f/0x40 [ 413.238217][ T9928] ? sk_psock_stop+0x2f/0x4d0 [ 413.242914][ T9928] sk_psock_stop+0x2f/0x4d0 [ 413.247454][ T9928] ? __tcp_close+0x1170/0x1170 [ 413.252277][ T9928] ? __tcp_close+0x1170/0x1170 [ 413.257078][ T9928] sock_map_close+0x172/0x390 [ 413.261790][ T9928] inet_release+0x12e/0x280 [ 413.266320][ T9928] __sock_release+0xcd/0x280 [ 413.270941][ T9928] sock_close+0x18/0x20 [ 413.275121][ T9928] __fput+0x288/0x920 [ 413.279155][ T9928] ? __sock_release+0x280/0x280 [ 413.284028][ T9928] task_work_run+0xdd/0x1a0 [ 413.288556][ T9928] exit_to_user_mode_prepare+0x249/0x250 [ 413.294360][ T9928] syscall_exit_to_user_mode+0x19/0x60 [ 413.299855][ T9928] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 413.305782][ T9928] RIP: 0033:0x466459 [ 413.309711][ T9928] 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 [ 413.329346][ T9928] RSP: 002b:00007fff51a9bd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 413.337795][ T9928] RAX: 0000000000000000 RBX: 000000000056bf60 RCX: 0000000000466459 [ 413.345820][ T9928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 413.354070][ T9928] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 413.362064][ T9928] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 413.370055][ T9928] R13: 00007fff51a9beb0 R14: 000000000056bf60 R15: 0000000000064af2 [ 413.378618][ T9928] Kernel Offset: disabled [ 413.383095][ T9928] Rebooting in 86400 seconds..