[ 43.438820][ T23] audit: type=1800 audit(1575377472.608:25): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.458884][ T23] audit: type=1800 audit(1575377472.608:26): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.502934][ T23] audit: type=1800 audit(1575377472.608:27): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.533955][ T23] audit: type=1800 audit(1575377472.618:28): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts. 2019/12/03 12:51:23 fuzzer started 2019/12/03 12:51:25 dialing manager at 10.128.0.26:45711 2019/12/03 12:51:25 syscalls: 2689 2019/12/03 12:51:25 code coverage: enabled 2019/12/03 12:51:25 comparison tracing: enabled 2019/12/03 12:51:25 extra coverage: extra coverage is not supported by the kernel 2019/12/03 12:51:25 setuid sandbox: enabled 2019/12/03 12:51:25 namespace sandbox: enabled 2019/12/03 12:51:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 12:51:25 fault injection: enabled 2019/12/03 12:51:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 12:51:25 net packet injection: enabled 2019/12/03 12:51:25 net device setup: enabled 2019/12/03 12:51:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 12:51:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:51:26 executing program 0: sendmsg(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)=[{0x0}], 0x1}, 0x0) r0 = socket(0x10, 0x2, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x64}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000140), 0x4924b68, 0x0) 12:51:26 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, 0x0, r1) setreuid(0xffffffffffffffff, r1) syzkaller login: [ 57.570769][ T8199] IPVS: ftp: loaded support on port[0] = 21 12:51:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'ip6gretap0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x40, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_LINKINFO={0x20, 0x12, @ip6gretap={{0x10, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, [@gre_common_policy=[@IFLA_GRE_ENCAP_DPORT={0x8}]]}}}]}, 0x40}}, 0x0) [ 57.755148][ T8199] chnl_net:caif_netlink_parms(): no params data found [ 57.757639][ T8202] IPVS: ftp: loaded support on port[0] = 21 [ 57.880258][ T8199] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.892107][ T8199] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.909999][ T8199] device bridge_slave_0 entered promiscuous mode [ 57.941276][ T8199] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.948535][ T8199] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.949566][ T8204] IPVS: ftp: loaded support on port[0] = 21 [ 57.963321][ T8199] device bridge_slave_1 entered promiscuous mode [ 58.021420][ T8199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.050399][ T8199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 12:51:27 executing program 3: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0xa, 0x12, r0, 0x0) mount$fuseblk(0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=ANY=[]) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) [ 58.072230][ T8202] chnl_net:caif_netlink_parms(): no params data found [ 58.091178][ T8199] team0: Port device team_slave_0 added [ 58.129844][ T8199] team0: Port device team_slave_1 added [ 58.138212][ T8202] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.155841][ T8202] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.174638][ T8202] device bridge_slave_0 entered promiscuous mode [ 58.214206][ T8202] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.224390][ T8202] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.248686][ T8202] device bridge_slave_1 entered promiscuous mode 12:51:27 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$netlink(0x10, 0x3, 0x4) writev(r2, &(0x7f0000003280)=[{&(0x7f0000000240)="580000001400192340834b80043f679a10ffff7f4e32f61bcdf1e422000000000100804824cabecc4b381eaadc28f2346ae792945f64009400050028925aaa000000000000008400f0fffeff2c707f8f00fff9ffffff0010", 0xfff7}], 0x1) recvfrom(r2, 0x0, 0x0, 0x0, 0x0, 0x0) [ 58.364849][ T8199] device hsr_slave_0 entered promiscuous mode [ 58.448998][ T8199] device hsr_slave_1 entered promiscuous mode [ 58.513028][ T8202] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.544160][ T8210] IPVS: ftp: loaded support on port[0] = 21 [ 58.549579][ T8208] IPVS: ftp: loaded support on port[0] = 21 12:51:27 executing program 5: epoll_create1(0x0) r0 = epoll_create1(0x0) flock(r0, 0xfffffffffffffff7) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001540)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='fdinfo/4\x00') readv(r3, &(0x7f0000f46000)=[{&(0x7f0000949000)=""/101, 0x65}], 0x1) [ 58.568040][ T8202] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.646696][ T8202] team0: Port device team_slave_0 added [ 58.686483][ T8202] team0: Port device team_slave_1 added [ 58.700352][ T8199] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.753192][ T8199] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.812301][ T8199] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.862428][ T8199] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.932407][ T8204] chnl_net:caif_netlink_parms(): no params data found [ 58.966664][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.974158][ T8204] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.982979][ T8204] device bridge_slave_0 entered promiscuous mode [ 59.050576][ T8202] device hsr_slave_0 entered promiscuous mode [ 59.099089][ T8202] device hsr_slave_1 entered promiscuous mode [ 59.148790][ T8202] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.173517][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.181035][ T8204] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.189292][ T8204] device bridge_slave_1 entered promiscuous mode [ 59.208185][ T8204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.223497][ T8204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.274137][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 59.291013][ T8204] team0: Port device team_slave_0 added [ 59.297195][ T8208] chnl_net:caif_netlink_parms(): no params data found [ 59.324439][ T8204] team0: Port device team_slave_1 added [ 59.403975][ T8208] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.411214][ T8208] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.421357][ T8208] device bridge_slave_0 entered promiscuous mode [ 59.462153][ T8204] device hsr_slave_0 entered promiscuous mode [ 59.519254][ T8204] device hsr_slave_1 entered promiscuous mode [ 59.568789][ T8204] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.593639][ T8208] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.600793][ T8208] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.608469][ T8208] device bridge_slave_1 entered promiscuous mode [ 59.630278][ T8208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.646838][ T8208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.656723][ T8202] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.700224][ T8210] chnl_net:caif_netlink_parms(): no params data found [ 59.726247][ T8202] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.780437][ T8208] team0: Port device team_slave_0 added [ 59.787753][ T8208] team0: Port device team_slave_1 added [ 59.796851][ T8202] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.851070][ T8202] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.971627][ T8208] device hsr_slave_0 entered promiscuous mode [ 60.009076][ T8208] device hsr_slave_1 entered promiscuous mode [ 60.048814][ T8208] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.064816][ T8204] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.134997][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.142377][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.150743][ T8210] device bridge_slave_0 entered promiscuous mode [ 60.157834][ T8204] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.226129][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.234150][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.242265][ T8210] device bridge_slave_1 entered promiscuous mode [ 60.249920][ T8204] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.300703][ T8208] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.366943][ T8199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.374170][ T8213] chnl_net:caif_netlink_parms(): no params data found [ 60.392244][ T8204] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.430496][ T8208] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.473146][ T8208] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.554318][ T8208] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.605916][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.630545][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.639247][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.649640][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.676109][ T8210] team0: Port device team_slave_0 added [ 60.700790][ T8199] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.710185][ T8210] team0: Port device team_slave_1 added [ 60.728379][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.736414][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.744826][ T8213] device bridge_slave_0 entered promiscuous mode [ 60.773245][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.780694][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.788268][ T8213] device bridge_slave_1 entered promiscuous mode [ 60.803139][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.812808][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.821592][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.828768][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.836592][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.846061][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.854432][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.861735][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.870087][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.878957][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.887568][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.896132][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.905289][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.913186][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.981726][ T8210] device hsr_slave_0 entered promiscuous mode [ 61.019121][ T8210] device hsr_slave_1 entered promiscuous mode [ 61.079126][ T8210] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.093146][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.112259][ T8202] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.135610][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.155668][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.164592][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.186085][ T8202] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.222302][ T8199] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.232957][ T8199] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.254292][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.263321][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.272514][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.280357][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.287879][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.296591][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.304801][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.313738][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.322669][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.329759][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.337301][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.345002][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.354109][ T8213] team0: Port device team_slave_0 added [ 61.370133][ T8204] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.381311][ T8210] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.413135][ T8210] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.473907][ T8210] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.521679][ T8213] team0: Port device team_slave_1 added [ 61.527422][ T8210] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.581602][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.590131][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.598364][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.605473][ T8215] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.613638][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.623334][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.631788][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.646190][ T8199] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.663532][ T8208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.673899][ T8204] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.692018][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.699681][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.707218][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.729899][ T8208] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.802852][ T8213] device hsr_slave_0 entered promiscuous mode [ 61.889940][ T8213] device hsr_slave_1 entered promiscuous mode [ 61.928790][ T8213] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.936458][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.945289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.953139][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.961821][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.970282][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.977453][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.985098][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.993658][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.002085][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.009178][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.016683][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.025420][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.033902][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.042994][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.071242][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.098188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.107224][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.116157][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.125405][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.132502][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.140780][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.149650][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.157990][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.165132][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.173298][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.182494][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.191371][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.200395][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.210949][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.219748][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.228071][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.236929][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.245912][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.254535][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 167.098582][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.105407][ C1] rcu: 1-...!: (10499 ticks this GP) idle=f7e/1/0x4000000000000002 softirq=11850/11850 fqs=39 [ 167.115979][ C1] (t=10501 jiffies g=6537 q=197) [ 167.121094][ C1] rcu: rcu_preempt kthread starved for 10423 jiffies! g6537 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.132523][ C1] rcu: RCU grace-period kthread stack dump: [ 167.138951][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 167.147278][ C1] Call Trace: [ 167.150593][ C1] __schedule+0x9a0/0xcc0 [ 167.154919][ C1] schedule+0x181/0x210 [ 167.159067][ C1] schedule_timeout+0x14f/0x240 [ 167.163913][ C1] ? run_local_timers+0x120/0x120 [ 167.168930][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.173692][ C1] kthread+0x332/0x350 [ 167.177747][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.182846][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.187423][ C1] ret_from_fork+0x24/0x30 [ 167.191842][ C1] NMI backtrace for cpu 1 [ 167.196858][ C1] CPU: 1 PID: 7873 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.204747][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.214785][ C1] Call Trace: [ 167.218189][ C1] [ 167.221047][ C1] dump_stack+0x1fb/0x318 [ 167.225377][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.230222][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.236637][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.245702][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.251694][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.257760][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.262884][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.268076][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.273092][ C1] update_process_times+0x12d/0x180 [ 167.278285][ C1] tick_sched_timer+0x263/0x420 [ 167.283128][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.288752][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.293952][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.298998][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.304311][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.309860][ C1] apic_timer_interrupt+0xf/0x20 [ 167.314873][ C1] [ 167.317805][ C1] RIP: 0010:free_thread_stack+0x177/0x590 [ 167.323513][ C1] Code: 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a4 69 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 167.343540][ C1] RSP: 0018:ffffc90006c47760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.351940][ C1] RAX: ffffffff81487433 RBX: ffff888095790188 RCX: ffff88809f8c6480 [ 167.359999][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025f9b00 [ 167.367959][ C1] RBP: ffffc90006c47798 R08: 000000000003a768 R09: ffffed101516433f [ 167.375916][ C1] R10: ffffed101516433f R11: 0000000000000000 R12: ffff8880952dec20 [ 167.383875][ C1] R13: dffffc0000000000 R14: 1ffff11012a5bd84 R15: ffff8880a8b219e8 [ 167.391860][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.397835][ C1] put_task_stack+0xa3/0x130 [ 167.402410][ C1] finish_task_switch+0x3f1/0x550 [ 167.407436][ C1] __schedule+0x9a8/0xcc0 [ 167.411768][ C1] schedule+0x181/0x210 [ 167.415910][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.421965][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.427781][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 167.433143][ C1] poll_schedule_timeout+0x11c/0x1c0 [ 167.438416][ C1] do_sys_poll+0x82f/0x1240 [ 167.443532][ C1] ? debug_object_activate+0x2f7/0x6f0 [ 167.448982][ C1] ? debug_object_active_state+0x1e3/0x4a0 [ 167.454780][ C1] ? __lock_acquire+0xc75/0x1be0 [ 167.459710][ C1] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 167.465686][ C1] ? trace_hardirqs_on+0x74/0x80 [ 167.470610][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 167.475463][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 167.480216][ C1] ? read_seqcount_begin+0x125/0x1c0 [ 167.485492][ C1] ? trace_hardirqs_on+0x74/0x80 [ 167.490421][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 167.495170][ C1] ? read_seqcount_begin+0x17a/0x1c0 [ 167.500446][ C1] ? ktime_get_ts64+0x236/0x2c0 [ 167.505280][ C1] ? timespec64_add_safe+0x171/0x1b0 [ 167.510558][ C1] __se_sys_poll+0x1b0/0x360 [ 167.515141][ C1] __x64_sys_poll+0x7b/0x90 [ 167.519723][ C1] do_syscall_64+0xf7/0x1c0 [ 167.524219][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.530442][ C1] RIP: 0033:0x7ff1f5c0d678 [ 167.534850][ C1] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 167.554527][ C1] RSP: 002b:00007fff01b57590 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 167.562926][ C1] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007ff1f5c0d678 [ 167.571491][ C1] RDX: 000000000000ee37 RSI: 0000000000000001 RDI: 00007fff01b57650 [ 167.579447][ C1] RBP: 0000000000000000 R08: 00007fff01b575a0 R09: 00007fff01be70b8 [ 167.587402][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000a228c0 [ 167.595376][ C1] R13: 000000000000201e R14: 00007fff01b57624 R15: 0000000000a09250