Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. 2020/03/24 20:31:03 parsed 1 programs 2020/03/24 20:31:04 executed programs: 0 [ 97.014793][ T9580] IPVS: ftp: loaded support on port[0] = 21 [ 97.077361][ T9580] chnl_net:caif_netlink_parms(): no params data found [ 97.129585][ T9580] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.137205][ T9580] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.145255][ T9580] device bridge_slave_0 entered promiscuous mode [ 97.153845][ T9580] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.161152][ T9580] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.168880][ T9580] device bridge_slave_1 entered promiscuous mode [ 97.187823][ T9580] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.198787][ T9580] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.220204][ T9580] team0: Port device team_slave_0 added [ 97.227792][ T9580] team0: Port device team_slave_1 added [ 97.243968][ T9580] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.251101][ T9580] 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. [ 97.277375][ T9580] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.290673][ T9580] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.297667][ T9580] 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. [ 97.323809][ T9580] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.432594][ T9580] device hsr_slave_0 entered promiscuous mode [ 97.470581][ T9580] device hsr_slave_1 entered promiscuous mode [ 97.608678][ T9580] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.653498][ T9580] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.713007][ T9580] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.753017][ T9580] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.836393][ T9580] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.843607][ T9580] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.851519][ T9580] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.858584][ T9580] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.903288][ T9580] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.916974][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.927913][ T2774] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.936096][ T2774] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.944313][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 97.957674][ T9580] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.968721][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.977459][ T3063] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.984676][ T3063] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.996253][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.005648][ T2774] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.012777][ T2774] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.032235][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.051117][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.059398][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.068536][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.077513][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.101647][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.109070][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.123701][ T9580] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.142633][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 98.152298][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.175172][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 98.183757][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 98.193639][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 98.201488][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 98.210201][ T9580] device veth0_vlan entered promiscuous mode [ 98.223476][ T9580] device veth1_vlan entered promiscuous mode [ 98.244099][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 98.252694][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 98.262262][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 98.270933][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 98.282055][ T9580] device veth0_macvtap entered promiscuous mode [ 98.292716][ T9580] device veth1_macvtap entered promiscuous mode [ 98.309494][ T9580] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.317111][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 98.326752][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 98.335021][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 98.343613][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 98.355202][ T9580] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.364458][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 98.373241][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 98.839241][ T9612] ================================================================== [ 98.847437][ T9612] BUG: KASAN: use-after-free in __list_add_valid+0x93/0xa0 [ 98.854615][ T9612] Read of size 8 at addr ffff88809f2251e0 by task syz-executor.0/9612 [ 98.862754][ T9612] [ 98.865070][ T9612] CPU: 1 PID: 9612 Comm: syz-executor.0 Not tainted 5.6.0-rc7-syzkaller #0 [ 98.873635][ T9612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.883678][ T9612] Call Trace: [ 98.886956][ T9612] dump_stack+0x188/0x20d [ 98.891268][ T9612] ? __list_add_valid+0x93/0xa0 [ 98.896109][ T9612] ? __list_add_valid+0x93/0xa0 [ 98.900947][ T9612] print_address_description.constprop.0.cold+0xd3/0x315 [ 98.908035][ T9612] ? __list_add_valid+0x93/0xa0 [ 98.912880][ T9612] ? __list_add_valid+0x93/0xa0 [ 98.917736][ T9612] __kasan_report.cold+0x1a/0x32 [ 98.922655][ T9612] ? __list_add_valid+0x93/0xa0 [ 98.927505][ T9612] kasan_report+0xe/0x20 [ 98.931823][ T9612] __list_add_valid+0x93/0xa0 [ 98.936540][ T9612] rdma_listen+0x681/0x910 [ 98.940944][ T9612] ucma_listen+0x14d/0x1c0 [ 98.945361][ T9612] ? ucma_notify+0x190/0x190 [ 98.949950][ T9612] ? __might_fault+0x190/0x1d0 [ 98.954705][ T9612] ? _copy_from_user+0x123/0x190 [ 98.959675][ T9612] ? ucma_notify+0x190/0x190 [ 98.964252][ T9612] ucma_write+0x285/0x350 [ 98.968571][ T9612] ? ucma_open+0x270/0x270 [ 98.972979][ T9612] ? security_file_permission+0x8a/0x370 [ 98.978597][ T9612] ? ucma_open+0x270/0x270 [ 98.983004][ T9612] __vfs_write+0x76/0x100 [ 98.987474][ T9612] vfs_write+0x262/0x5c0 [ 98.991732][ T9612] ksys_write+0x1e8/0x250 [ 98.996052][ T9612] ? __ia32_sys_read+0xb0/0xb0 [ 99.000813][ T9612] ? __ia32_sys_clock_settime+0x260/0x260 [ 99.006525][ T9612] ? trace_hardirqs_off_caller+0x55/0x230 [ 99.012343][ T9612] do_syscall_64+0xf6/0x7d0 [ 99.016865][ T9612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.023079][ T9612] RIP: 0033:0x45c849 [ 99.026964][ T9612] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.046733][ T9612] RSP: 002b:00007f0b8ca00c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.055187][ T9612] RAX: ffffffffffffffda RBX: 00007f0b8ca016d4 RCX: 000000000045c849 [ 99.063152][ T9612] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 99.071122][ T9612] RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 [ 99.079104][ T9612] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 99.087159][ T9612] R13: 0000000000000cc0 R14: 00000000004cee4e R15: 000000000076bf0c [ 99.095151][ T9612] [ 99.097466][ T9612] Allocated by task 9606: [ 99.101793][ T9612] save_stack+0x1b/0x80 [ 99.105956][ T9612] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 99.111571][ T9612] kmem_cache_alloc_trace+0x153/0x7d0 [ 99.116940][ T9612] __rdma_create_id+0x5b/0x850 [ 99.121775][ T9612] ucma_create_id+0x1cb/0x580 [ 99.126434][ T9612] ucma_write+0x285/0x350 [ 99.130773][ T9612] __vfs_write+0x76/0x100 [ 99.135090][ T9612] vfs_write+0x262/0x5c0 [ 99.139343][ T9612] ksys_write+0x1e8/0x250 [ 99.143683][ T9612] do_syscall_64+0xf6/0x7d0 [ 99.148179][ T9612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.154053][ T9612] [ 99.156362][ T9612] Freed by task 9605: [ 99.160326][ T9612] save_stack+0x1b/0x80 [ 99.164461][ T9612] __kasan_slab_free+0xf7/0x140 [ 99.170003][ T9612] kfree+0x109/0x2b0 [ 99.173891][ T9612] ucma_close+0x10b/0x300 [ 99.178207][ T9612] __fput+0x2da/0x850 [ 99.182342][ T9612] task_work_run+0x13f/0x1b0 [ 99.186934][ T9612] exit_to_usermode_loop+0x2fa/0x360 [ 99.192218][ T9612] do_syscall_64+0x6b1/0x7d0 [ 99.196817][ T9612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.202823][ T9612] [ 99.205182][ T9612] The buggy address belongs to the object at ffff88809f225000 [ 99.205182][ T9612] which belongs to the cache kmalloc-2k of size 2048 [ 99.219308][ T9612] The buggy address is located 480 bytes inside of [ 99.219308][ T9612] 2048-byte region [ffff88809f225000, ffff88809f225800) [ 99.232675][ T9612] The buggy address belongs to the page: [ 99.238518][ T9612] page:ffffea00027c8940 refcount:1 mapcount:0 mapping:ffff8880aa000e00 index:0x0 [ 99.247612][ T9612] flags: 0xfffe0000000200(slab) [ 99.252645][ T9612] raw: 00fffe0000000200 ffffea00027c53c8 ffffea00025a3208 ffff8880aa000e00 [ 99.261313][ T9612] raw: 0000000000000000 ffff88809f225000 0000000100000001 0000000000000000 [ 99.269887][ T9612] page dumped because: kasan: bad access detected [ 99.276363][ T9612] [ 99.278670][ T9612] Memory state around the buggy address: [ 99.284291][ T9612] ffff88809f225080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.292369][ T9612] ffff88809f225100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.300591][ T9612] >ffff88809f225180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.308630][ T9612] ^ [ 99.315814][ T9612] ffff88809f225200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.323870][ T9612] ffff88809f225280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 99.331922][ T9612] ================================================================== [ 99.339965][ T9612] Disabling lock debugging due to kernel taint [ 99.354081][ T9612] Kernel panic - not syncing: panic_on_warn set ... [ 99.360687][ T9612] CPU: 1 PID: 9612 Comm: syz-executor.0 Tainted: G B 5.6.0-rc7-syzkaller #0 [ 99.370640][ T9612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.380680][ T9612] Call Trace: [ 99.383988][ T9612] dump_stack+0x188/0x20d [ 99.388326][ T9612] panic+0x2e3/0x75c [ 99.392217][ T9612] ? add_taint.cold+0x16/0x16 [ 99.396891][ T9612] ? preempt_schedule_common+0x5e/0xc0 [ 99.402331][ T9612] ? __list_add_valid+0x93/0xa0 [ 99.407251][ T9612] ? ___preempt_schedule+0x16/0x18 [ 99.412913][ T9612] ? trace_hardirqs_on+0x55/0x220 [ 99.417924][ T9612] ? __list_add_valid+0x93/0xa0 [ 99.422766][ T9612] end_report+0x43/0x49 [ 99.426915][ T9612] ? __list_add_valid+0x93/0xa0 [ 99.431754][ T9612] __kasan_report.cold+0xd/0x32 [ 99.436603][ T9612] ? __list_add_valid+0x93/0xa0 [ 99.441492][ T9612] kasan_report+0xe/0x20 [ 99.445715][ T9612] __list_add_valid+0x93/0xa0 [ 99.450386][ T9612] rdma_listen+0x681/0x910 [ 99.454788][ T9612] ucma_listen+0x14d/0x1c0 [ 99.459185][ T9612] ? ucma_notify+0x190/0x190 [ 99.463770][ T9612] ? __might_fault+0x190/0x1d0 [ 99.468517][ T9612] ? _copy_from_user+0x123/0x190 [ 99.473431][ T9612] ? ucma_notify+0x190/0x190 [ 99.478001][ T9612] ucma_write+0x285/0x350 [ 99.482311][ T9612] ? ucma_open+0x270/0x270 [ 99.486708][ T9612] ? security_file_permission+0x8a/0x370 [ 99.492319][ T9612] ? ucma_open+0x270/0x270 [ 99.496731][ T9612] __vfs_write+0x76/0x100 [ 99.501066][ T9612] vfs_write+0x262/0x5c0 [ 99.505397][ T9612] ksys_write+0x1e8/0x250 [ 99.509969][ T9612] ? __ia32_sys_read+0xb0/0xb0 [ 99.514786][ T9612] ? __ia32_sys_clock_settime+0x260/0x260 [ 99.521197][ T9612] ? trace_hardirqs_off_caller+0x55/0x230 [ 99.526914][ T9612] do_syscall_64+0xf6/0x7d0 [ 99.531450][ T9612] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.537328][ T9612] RIP: 0033:0x45c849 [ 99.541216][ T9612] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.560996][ T9612] RSP: 002b:00007f0b8ca00c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 99.569384][ T9612] RAX: ffffffffffffffda RBX: 00007f0b8ca016d4 RCX: 000000000045c849 [ 99.577436][ T9612] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 99.585395][ T9612] RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 [ 99.593448][ T9612] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 99.601418][ T9612] R13: 0000000000000cc0 R14: 00000000004cee4e R15: 000000000076bf0c [ 99.610485][ T9612] Kernel Offset: disabled [ 99.614828][ T9612] Rebooting in 86400 seconds..