[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. 2019/12/04 10:40:10 fuzzer started 2019/12/04 10:40:11 dialing manager at 10.128.0.26:36481 2019/12/04 10:40:11 syscalls: 2691 2019/12/04 10:40:11 code coverage: enabled 2019/12/04 10:40:11 comparison tracing: enabled 2019/12/04 10:40:11 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:40:11 setuid sandbox: enabled 2019/12/04 10:40:11 namespace sandbox: enabled 2019/12/04 10:40:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:40:11 fault injection: enabled 2019/12/04 10:40:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:40:11 net packet injection: enabled 2019/12/04 10:40:11 net device setup: enabled 2019/12/04 10:40:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:40:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:40:12 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0xff}, 0x0) clock_gettime(0x0, &(0x7f0000000380)={0x0, 0x0}) sched_setattr(0x0, &(0x7f0000000400)={0x30, 0x1, 0x0, 0x0, 0x1}, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x0, r0+30000000}, 0x0) 10:40:12 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r0, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e21, @loopback}}, 0x24) sendmmsg(r0, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0x18}}], 0x1, 0x4048000) eventfd(0x0) r1 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r1, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e21, @loopback}}, 0x24) sendmmsg(r1, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000880)=ANY=[@ANYBLOB="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"], 0x18}}], 0x1, 0x4048000) recvmmsg(r1, &(0x7f0000001f40)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) fstat(0xffffffffffffffff, 0x0) syz_mount_image$hfs(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getegid() getresgid(&(0x7f0000000480), 0x0, &(0x7f0000000500)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100), 0x0) syz_mount_image$hfs(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) syz_mount_image$hfs(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) socket(0x0, 0x0, 0x0) syzkaller login: [ 57.583701][ T8311] IPVS: ftp: loaded support on port[0] = 21 [ 57.710304][ T8313] IPVS: ftp: loaded support on port[0] = 21 [ 57.768909][ T8311] chnl_net:caif_netlink_parms(): no params data found 10:40:13 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000000c0)="2e0000002a000502d25a0004000000000100fc0010000b4002000000053582c137153e370900098000f01700d1bd", 0x2e}], 0x1}, 0x0) [ 57.828732][ T8311] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.837845][ T8311] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.846468][ T8311] device bridge_slave_0 entered promiscuous mode [ 57.873614][ T8311] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.880932][ T8311] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.903549][ T8311] device bridge_slave_1 entered promiscuous mode [ 57.983582][ T8311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.014113][ T8311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.031486][ T8316] IPVS: ftp: loaded support on port[0] = 21 [ 58.073009][ T8311] team0: Port device team_slave_0 added [ 58.105037][ T8311] team0: Port device team_slave_1 added [ 58.119254][ T8313] chnl_net:caif_netlink_parms(): no params data found 10:40:13 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl$sock_ifreq(r0, 0x8948, &(0x7f00000000c0)={'bridge_slave_1\x00', @ifru_data=0x0}) [ 58.205232][ T8311] device hsr_slave_0 entered promiscuous mode [ 58.243276][ T8311] device hsr_slave_1 entered promiscuous mode [ 58.357897][ T8319] IPVS: ftp: loaded support on port[0] = 21 [ 58.368710][ T8313] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.379023][ T8313] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.387653][ T8313] device bridge_slave_0 entered promiscuous mode [ 58.406679][ T8313] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.416111][ T8313] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.424552][ T8313] device bridge_slave_1 entered promiscuous mode [ 58.460989][ T8313] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.497370][ T8313] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:40:13 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'hash\x00', 0x0, 0x0, 'xxhash64\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$unix(r1, &(0x7f0000001300)=[{&(0x7f0000000980)=@file={0x0, './file0/file0\x00'}, 0x680, &(0x7f0000000dc0), 0x71, &(0x7f0000000e40), 0x2}], 0x8d9, 0x0) [ 58.517959][ T8311] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.578065][ T8311] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.638049][ T8311] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.707373][ T8313] team0: Port device team_slave_0 added [ 58.726070][ T8313] team0: Port device team_slave_1 added 10:40:14 executing program 5: mknod$loop(&(0x7f0000000ff8)='./file0\x00', 0x8, 0x0) lsetxattr(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)=@known='security.capability\x00', &(0x7f0000000340)='\x01\x00\x00\x02\x01C\x9fo&H\xba:\xe3\xc3\xdc\x00\x00\x00\x00\x00', 0x14, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) execve(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) [ 58.753809][ T8311] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.767359][ T8321] IPVS: ftp: loaded support on port[0] = 21 [ 58.895561][ T8313] device hsr_slave_0 entered promiscuous mode [ 58.933087][ T8313] device hsr_slave_1 entered promiscuous mode [ 58.972745][ T8313] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.017918][ T8316] chnl_net:caif_netlink_parms(): no params data found [ 59.027110][ T8325] IPVS: ftp: loaded support on port[0] = 21 [ 59.092200][ T8313] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.124710][ T8313] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.166037][ T8313] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.225687][ T8313] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.317432][ T8316] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.324937][ T8316] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.333591][ T8316] device bridge_slave_0 entered promiscuous mode [ 59.343406][ T8316] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.350486][ T8316] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.358215][ T8316] device bridge_slave_1 entered promiscuous mode [ 59.417017][ T8316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.438959][ T8316] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.450180][ T8319] chnl_net:caif_netlink_parms(): no params data found [ 59.485002][ T8321] chnl_net:caif_netlink_parms(): no params data found [ 59.522244][ T8316] team0: Port device team_slave_0 added [ 59.541051][ T8316] team0: Port device team_slave_1 added [ 59.664292][ T8316] device hsr_slave_0 entered promiscuous mode [ 59.722824][ T8316] device hsr_slave_1 entered promiscuous mode [ 59.772677][ T8316] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.787453][ T8319] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.794880][ T8319] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.802745][ T8319] device bridge_slave_0 entered promiscuous mode [ 59.811572][ T8321] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.819577][ T8321] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.827381][ T8321] device bridge_slave_0 entered promiscuous mode [ 59.836605][ T8321] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.844836][ T8321] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.854326][ T8321] device bridge_slave_1 entered promiscuous mode [ 59.884044][ T8319] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.891182][ T8319] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.900927][ T8319] device bridge_slave_1 entered promiscuous mode [ 59.921695][ T8325] chnl_net:caif_netlink_parms(): no params data found [ 59.941593][ T8321] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.962694][ T8319] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.981327][ T8316] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.034955][ T8321] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.053538][ T8319] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.075963][ T8316] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.136893][ T8316] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.195689][ T8316] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.238645][ T8321] team0: Port device team_slave_0 added [ 60.249365][ T8321] team0: Port device team_slave_1 added [ 60.276364][ T8311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.297070][ T8319] team0: Port device team_slave_0 added [ 60.307056][ T8325] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.318302][ T8325] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.327448][ T8325] device bridge_slave_0 entered promiscuous mode [ 60.365812][ T8321] device hsr_slave_0 entered promiscuous mode [ 60.423105][ T8321] device hsr_slave_1 entered promiscuous mode [ 60.462838][ T8321] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.471801][ T8319] team0: Port device team_slave_1 added [ 60.489173][ T8325] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.498268][ T8325] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.506320][ T8325] device bridge_slave_1 entered promiscuous mode [ 60.554454][ T8319] device hsr_slave_0 entered promiscuous mode [ 60.602954][ T8319] device hsr_slave_1 entered promiscuous mode [ 60.643026][ T8319] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.660424][ T3000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.669099][ T3000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.686788][ T8325] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.699649][ T8325] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.712110][ T8313] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.744314][ T8325] team0: Port device team_slave_0 added [ 60.751522][ T8311] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.774713][ T8325] team0: Port device team_slave_1 added [ 60.782523][ T8321] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.820573][ T8313] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.844227][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.851972][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.861884][ T8319] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.934896][ T8319] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.974727][ T8321] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.015191][ T8321] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.058538][ T8321] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.100592][ T8319] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.134386][ T8319] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.185242][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.194232][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.203359][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.210543][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.219390][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.228230][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.236622][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.243705][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.251384][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.260825][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.305227][ T8325] device hsr_slave_0 entered promiscuous mode [ 61.362961][ T8325] device hsr_slave_1 entered promiscuous mode [ 61.422711][ T8325] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.433730][ T3000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.442262][ T3000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.451665][ T3000] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.458817][ T3000] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.493614][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.506079][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.514948][ T8329] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.522246][ T8329] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.530900][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.539486][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.548532][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.557521][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.566283][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.575631][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.584479][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.617927][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.626791][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.638294][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.647131][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.656090][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.665434][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.673977][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.682532][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.690836][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.699511][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.708171][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.718470][ T8316] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.727557][ T8313] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.763332][ T8316] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.771520][ T8325] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.803975][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.812207][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.820224][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.828101][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.846250][ T8311] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.858005][ T8311] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.872129][ T8325] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.904863][ T8325] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.968527][ T8325] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.016240][ T8313] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.025682][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.034369][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.043427][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.054487][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.064329][ T8330] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.071472][ T8330] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.079234][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.087643][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.095998][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.104578][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.113190][ T8330] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.120233][ T8330] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.128249][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.136069][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.161029][ T8311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.178831][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.186665][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.194292][ T8329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.253636][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.262132][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.271872][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.280545][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.290054][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.298477][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.307071][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.315834][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.325011][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.347369][ T8321] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.357368][ T8316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.368142][ T3034] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.381924][ T8319] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.430004][ T8319] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.477154][ T8325] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.487307][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.501264][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.510803][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.524874][ T8330] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 167.522424][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.529574][ C0] rcu: 0-...!: (10499 ticks this GP) idle=102/1/0x4000000000000002 softirq=11170/11170 fqs=9 [ 167.540543][ C0] (t=10501 jiffies g=6781 q=83) [ 167.545610][ C0] rcu: rcu_preempt kthread starved for 10484 jiffies! g6781 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.556742][ C0] rcu: RCU grace-period kthread stack dump: [ 167.562798][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.570723][ C0] Call Trace: [ 167.574038][ C0] __schedule+0x9a0/0xcc0 [ 167.578724][ C0] schedule+0x181/0x210 [ 167.583051][ C0] schedule_timeout+0x14f/0x240 [ 167.587904][ C0] ? run_local_timers+0x120/0x120 [ 167.592993][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.597849][ C0] kthread+0x332/0x350 [ 167.602011][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.607151][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.612005][ C0] ret_from_fork+0x24/0x30 [ 167.616525][ C0] NMI backtrace for cpu 0 [ 167.620883][ C0] CPU: 0 PID: 8332 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 167.628346][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.638681][ C0] Call Trace: [ 167.642147][ C0] [ 167.645014][ C0] dump_stack+0x1fb/0x318 [ 167.649370][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.655145][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.661327][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.667443][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.673465][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.679488][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.684616][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.690796][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.695821][ C0] update_process_times+0x12d/0x180 [ 167.701040][ C0] tick_sched_timer+0x263/0x420 [ 167.705885][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.711428][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.716628][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.721570][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.727287][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.732821][ C0] apic_timer_interrupt+0xf/0x20 [ 167.737831][ C0] [ 167.740779][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 167.747447][ C0] Code: d4 01 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 167.767157][ C0] RSP: 0018:ffffc900021b79b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.775555][ C0] RAX: ffffffff81487326 RBX: ffffea00028b2ac0 RCX: ffff8880a83fc1c0 [ 167.783634][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028b2ac0 [ 167.792562][ C0] RBP: ffffc900021b79e0 R08: 000000000003a728 R09: ffffed10150b6ab7 [ 167.800525][ C0] R10: ffffed10150b6ab7 R11: 0000000000000000 R12: ffff88808c025fa0 [ 167.808512][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a85b55a8 [ 167.816490][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.821793][ C0] ? free_thread_stack+0x124/0x590 [ 167.826913][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.832203][ C0] free_thread_stack+0x168/0x590 [ 167.837141][ C0] put_task_stack+0xa3/0x130 [ 167.841722][ C0] finish_task_switch+0x3f1/0x550 [ 167.846738][ C0] __schedule+0x9a8/0xcc0 [ 167.851065][ C0] ? ___preempt_schedule+0x16/0x18 [ 167.856159][ C0] preempt_schedule+0xdb/0x120 [ 167.860907][ C0] ___preempt_schedule+0x16/0x18 [ 167.865850][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 167.871479][ C0] __wake_up_sync_key+0xe2/0x150 [ 167.876582][ C0] pipe_release+0x17b/0x330 [ 167.881067][ C0] ? fifo_open+0xc70/0xc70 [ 167.885474][ C0] __fput+0x2e4/0x740 [ 167.889453][ C0] ____fput+0x15/0x20 [ 167.893683][ C0] task_work_run+0x17e/0x1b0 [ 167.898270][ C0] do_exit+0x5c4/0x2020 [ 167.902422][ C0] ? check_preemption_disabled+0xb4/0x260 [ 167.908395][ C0] do_group_exit+0x15c/0x2b0 [ 167.913019][ C0] __do_sys_exit_group+0x17/0x20 [ 167.917965][ C0] __se_sys_exit_group+0x14/0x20 [ 167.922901][ C0] __x64_sys_exit_group+0x3b/0x40 [ 167.928087][ C0] do_syscall_64+0xf7/0x1c0 [ 167.932599][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.938496][ C0] RIP: 0033:0x7ff08664c1e8 [ 167.942916][ C0] Code: Bad RIP value. [ 167.947020][ C0] RSP: 002b:00007fff450541a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 167.955440][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff08664c1e8 [ 167.963405][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 167.975196][ C0] RBP: 00007ff086921840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 167.983163][ C0] R10: 00007ff086927740 R11: 0000000000000246 R12: 00007ff086921840 [ 167.991122][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000