Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 69.983898] IPVS: ftp: loaded support on port[0] = 21 [ 70.262654] tipc: TX() has been purged, node left! [ 95.521810] can: request_module (can-proto-0) failed. [ 95.540384] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.213' (ECDSA) to the list of known hosts. 2020/09/15 09:47:09 parsed 1 programs 2020/09/15 09:47:21 executed programs: 0 [ 119.327344] IPVS: ftp: loaded support on port[0] = 21 [ 119.335115] IPVS: ftp: loaded support on port[0] = 21 [ 119.357032] IPVS: ftp: loaded support on port[0] = 21 [ 119.390821] IPVS: ftp: loaded support on port[0] = 21 [ 119.402867] IPVS: ftp: loaded support on port[0] = 21 [ 119.403896] IPVS: ftp: loaded support on port[0] = 21 [ 123.312192] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.318815] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.345910] device bridge_slave_0 entered promiscuous mode [ 123.360221] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.366853] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.382876] device bridge_slave_0 entered promiscuous mode [ 123.395623] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.402230] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.418753] device bridge_slave_0 entered promiscuous mode [ 123.465060] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.471786] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.493114] device bridge_slave_0 entered promiscuous mode [ 123.509728] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.516376] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.531461] device bridge_slave_0 entered promiscuous mode [ 123.544272] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.551131] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.562019] device bridge_slave_1 entered promiscuous mode [ 123.578092] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.584813] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.613153] device bridge_slave_1 entered promiscuous mode [ 123.624267] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.630915] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.652783] device bridge_slave_1 entered promiscuous mode [ 123.671063] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.677693] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.706049] device bridge_slave_0 entered promiscuous mode [ 123.720572] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.727447] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.750320] device bridge_slave_1 entered promiscuous mode [ 123.769674] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.776526] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.809646] device bridge_slave_1 entered promiscuous mode [ 123.832041] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.838703] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.877534] device bridge_slave_1 entered promiscuous mode [ 124.342450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.379115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.520063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.540505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.569505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.587664] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.611543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.655072] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.705769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 124.739455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.757100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 124.787530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.809646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.836508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.130332] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 125.159151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 125.369926] team0: Port device team_slave_0 added [ 125.394041] team0: Port device team_slave_0 added [ 125.553683] team0: Port device team_slave_1 added [ 125.577819] team0: Port device team_slave_1 added [ 125.608237] team0: Port device team_slave_0 added [ 125.638567] team0: Port device team_slave_0 added [ 125.668056] team0: Port device team_slave_0 added [ 125.693146] team0: Port device team_slave_0 added [ 125.741340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 125.778450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 125.802203] team0: Port device team_slave_1 added [ 125.829089] team0: Port device team_slave_1 added [ 125.866503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 125.882142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 125.898611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 125.918671] team0: Port device team_slave_1 added [ 125.941118] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 125.965779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 125.989346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.009913] team0: Port device team_slave_1 added [ 126.034200] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 126.058588] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 126.091828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.148553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.182504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.193806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.205456] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 126.217798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 126.231058] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 126.257273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 126.280686] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 126.311779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 126.332489] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 126.356841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 126.371377] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 126.404893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.436826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.465691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 126.479227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 126.490275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.500122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.538035] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.583395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.616545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.640586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.651664] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.662107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.678843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 126.691514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 126.737806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.754065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.793771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.829726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 126.890120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 126.908457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 127.927580] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.934273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.941718] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.948410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.021308] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.028152] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.035550] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.042205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.122317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 128.145427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 128.309833] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.316536] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.324028] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.330721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.439418] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.446258] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.453700] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.460388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.523818] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.530486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.537796] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.544464] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.592480] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.599206] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.606728] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.613509] bridge0: port 1(bridge_slave_0) entered forwarding state [ 129.174138] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 129.199638] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 129.237085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 129.273793] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 133.781658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.279715] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.372925] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.410449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.538925] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.640300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.827548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 134.851542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.394435] 8021q: adding VLAN 0 to HW filter on device team0 [ 135.448756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 135.462711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.502643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 135.532648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.567340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 135.604059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.745263] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 135.763213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.811149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 135.835070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.987419] 8021q: adding VLAN 0 to HW filter on device team0 [ 136.048061] 8021q: adding VLAN 0 to HW filter on device team0 [ 136.136092] 8021q: adding VLAN 0 to HW filter on device team0 [ 136.313881] 8021q: adding VLAN 0 to HW filter on device team0 [ 136.443792] 8021q: adding VLAN 0 to HW filter on device team0 [ 138.976690] ===================================================== [ 138.982034] BUG: KMSAN: uninit-value in bcmp+0x139/0x190 [ 138.982034] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.8.0-rc5-syzkaller #0 [ 138.982034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.982034] Workqueue: ipv6_addrconf addrconf_dad_work [ 138.982034] Call Trace: [ 138.982034] dump_stack+0x1d2/0x220 [ 138.982034] kmsan_report+0xf7/0x1e0 [ 138.982034] __msan_warning+0x59/0xa0 [ 139.025398] bcmp+0x139/0x190 [ 139.026642] __dev_mc_add+0x1cd/0x8e0 [ 139.026642] dev_mc_add+0x6d/0x80 [ 139.026642] igmp6_group_added+0x2fc/0xb40 [ 139.041047] ? kmsan_set_origin_checked+0x95/0xf0 [ 139.044190] __ipv6_dev_mc_inc+0xe6d/0x1220 [ 139.049457] ipv6_dev_mc_inc+0x70/0x80 [ 139.054042] addrconf_dad_work+0x386/0x29f0 [ 139.058375] ? kmsan_get_metadata+0x116/0x180 [ 139.062826] ? kmsan_get_metadata+0x116/0x180 [ 139.067037] ? ipv6_get_saddr_eval+0x1350/0x1350 [ 139.072495] process_one_work+0x1517/0x1ee0 [ 139.076186] worker_thread+0xed2/0x23f0 [ 139.080920] kthread+0x515/0x550 [ 139.084508] ? process_one_work+0x1ee0/0x1ee0 [ 139.088183] ? kthread_blkcg+0xf0/0xf0 [ 139.089372] ret_from_fork+0x22/0x30 [ 139.089372] [ 139.089372] Uninit was stored to memory at: [ 139.102839] kmsan_internal_chain_origin+0x9d/0x100 [ 139.103661] kmsan_memcpy_memmove_metadata+0x283/0x2f0 [ 139.109363] kmsan_memcpy_metadata+0xb/0x10 [ 139.109363] __msan_memcpy+0x43/0x50 [ 139.109363] __dev_mc_add+0x42e/0x8e0 [ 139.122512] dev_mc_add+0x6d/0x80 [ 139.122512] igmp_group_added+0x275/0xb90 [ 139.122512] ____ip_mc_inc_group+0xeb6/0xf60 [ 139.122512] ip_mc_up+0x1c8/0x3f0 [ 139.122512] inetdev_event+0x1da9/0x1e60 [ 139.143596] raw_notifier_call_chain+0x130/0x250 [ 139.143596] __dev_notify_flags+0x750/0xa70 [ 139.143596] dev_change_flags+0x1d6/0x260 [ 139.143596] dev_ifsioc+0x786/0xfe0 [ 139.161693] dev_ioctl+0xa8c/0x1fb0 [ 139.161693] sock_do_ioctl+0x3c7/0x5b0 [ 139.161693] sock_ioctl+0x933/0xf20 [ 139.161693] __se_sys_ioctl+0x2e9/0x410 [ 139.161693] __x64_sys_ioctl+0x4a/0x70 [ 139.161693] do_syscall_64+0x9d/0xe0 [ 139.161693] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 139.161693] [ 139.161693] Local variable ----buf.i@igmp_group_added created at: [ 139.161693] igmp_group_added+0x132/0xb90 [ 139.161693] igmp_group_added+0x132/0xb90 [ 139.161693] ===================================================== [ 139.161693] Disabling lock debugging due to kernel taint [ 139.161693] Kernel panic - not syncing: panic_on_warn set ... [ 139.161693] CPU: 1 PID: 17 Comm: kworker/1:0 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 139.161693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.161693] Workqueue: ipv6_addrconf addrconf_dad_work [ 139.161693] Call Trace: [ 139.161693] dump_stack+0x1d2/0x220 [ 139.161693] panic+0x3d8/0xc4e [ 139.161693] kmsan_report+0x1df/0x1e0 [ 139.161693] __msan_warning+0x59/0xa0 [ 139.161693] bcmp+0x139/0x190 [ 139.161693] __dev_mc_add+0x1cd/0x8e0 [ 139.161693] dev_mc_add+0x6d/0x80 [ 139.161693] igmp6_group_added+0x2fc/0xb40 [ 139.161693] ? kmsan_set_origin_checked+0x95/0xf0 [ 139.161693] __ipv6_dev_mc_inc+0xe6d/0x1220 [ 139.161693] ipv6_dev_mc_inc+0x70/0x80 [ 139.161693] addrconf_dad_work+0x386/0x29f0 [ 139.161693] ? kmsan_get_metadata+0x116/0x180 [ 139.161693] ? kmsan_get_metadata+0x116/0x180 [ 139.161693] ? ipv6_get_saddr_eval+0x1350/0x1350 [ 139.161693] process_one_work+0x1517/0x1ee0 [ 139.161693] worker_thread+0xed2/0x23f0 [ 139.161693] kthread+0x515/0x550 [ 139.161693] ? process_one_work+0x1ee0/0x1ee0 [ 139.161693] ? kthread_blkcg+0xf0/0xf0 [ 139.161693] ret_from_fork+0x22/0x30 [ 139.161693] Kernel Offset: disabled [ 139.161693] Rebooting in 86400 seconds..