[ 40.178066][ T23] audit: type=1800 audit(1575461613.883:27): pid=7854 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.210620][ T23] audit: type=1800 audit(1575461613.893:28): pid=7854 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. [ 41.026400][ T23] audit: type=1800 audit(1575461614.803:29): pid=7854 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.045894][ T23] audit: type=1800 audit(1575461614.803:30): pid=7854 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts. 2019/12/04 12:13:44 fuzzer started 2019/12/04 12:13:46 dialing manager at 10.128.0.26:36481 2019/12/04 12:13:46 syscalls: 2691 2019/12/04 12:13:46 code coverage: enabled 2019/12/04 12:13:46 comparison tracing: enabled 2019/12/04 12:13:46 extra coverage: extra coverage is not supported by the kernel 2019/12/04 12:13:46 setuid sandbox: enabled 2019/12/04 12:13:46 namespace sandbox: enabled 2019/12/04 12:13:46 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 12:13:46 fault injection: enabled 2019/12/04 12:13:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 12:13:46 net packet injection: enabled 2019/12/04 12:13:46 net device setup: enabled 2019/12/04 12:13:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 12:13:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:13:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r0, &(0x7f0000000200)=[{&(0x7f0000000240)="7d0000001200192340834b80040d8c560a0676ffffff81004e220000000058000b4824ca944f640094750a0e2900050028925aa8000000000000008000f0fffeffff09000000fff5dd000000100001000b0c0800fcff0000", 0x1e7}], 0x1) 12:13:47 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_extract_tcp_res$synack(&(0x7f0000000040), 0x1, 0x0) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200)='/dev/zero\x00', 0x400, 0x0) ioctl$sock_inet6_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000240)) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c) connect$inet6(r1, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) setreuid(0x0, 0x0) setuid(0x0) chown(&(0x7f0000000300)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0xee01, 0xee00) keyctl$chown(0x4, 0x0, 0x0, 0x0) getegid() getegid() keyctl$chown(0x4, 0x0, 0x0, 0x0) prctl$PR_SET_CHILD_SUBREAPER(0x24, 0x1) setreuid(0x0, 0x0) geteuid() r2 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x12, r2, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') ioctl$sock_inet_SIOCGIFPFLAGS(0xffffffffffffffff, 0x8935, &(0x7f00000001c0)={'teql0\x00', 0x46}) sendmmsg(r1, &(0x7f00000092c0), 0x4ff, 0xbb8) syzkaller login: [ 53.561879][ T8017] IPVS: ftp: loaded support on port[0] = 21 [ 53.728251][ T8017] chnl_net:caif_netlink_parms(): no params data found [ 53.759729][ T8020] IPVS: ftp: loaded support on port[0] = 21 12:13:47 executing program 2: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000001000)={'syz0\x00', {}, 0x4}, 0x45c) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) write$uinput_user_dev(r0, &(0x7f0000000080)={'syz1\x00', {}, 0x15, [0xfffffff7]}, 0x45c) [ 53.782311][ T8017] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.789845][ T8017] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.799650][ T8017] device bridge_slave_0 entered promiscuous mode [ 53.820980][ T8017] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.828126][ T8017] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.836977][ T8017] device bridge_slave_1 entered promiscuous mode [ 53.885488][ T8017] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.898419][ T8017] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.929121][ T8017] team0: Port device team_slave_0 added [ 53.942051][ T8017] team0: Port device team_slave_1 added [ 53.996478][ T8020] chnl_net:caif_netlink_parms(): no params data found 12:13:47 executing program 3: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000240)="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", 0xfc) [ 54.086525][ T8017] device hsr_slave_0 entered promiscuous mode 12:13:48 executing program 4: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000008880)={0x0, @in6={{0xa, 0x0, 0x0, @mcast2}}, 0x0, 0x0, 0x0, 0x0, 0xdf8fcee03e08ccf}, 0x98) [ 54.211922][ T8017] device hsr_slave_1 entered promiscuous mode [ 54.353452][ T8025] IPVS: ftp: loaded support on port[0] = 21 [ 54.354467][ T8023] IPVS: ftp: loaded support on port[0] = 21 [ 54.434983][ T8020] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.442500][ T8020] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.450288][ T8020] device bridge_slave_0 entered promiscuous mode [ 54.468798][ T8017] netdevsim netdevsim0 netdevsim0: renamed from eth0 12:13:48 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x103, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x1) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000380)={{{@in6=@ipv4={[], [], @local}, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@loopback, 0x0, 0x2b}, 0xa, @in6=@local, 0x0, 0x0, 0x0, 0x6}}, 0xe8) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg(r0, &(0x7f0000007e00), 0x400000000000058, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x10}}, 0x0) [ 54.505890][ T8017] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.562765][ T8017] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.612890][ T8017] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.621464][ T8027] IPVS: ftp: loaded support on port[0] = 21 [ 54.664190][ T8020] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.672183][ T8020] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.679790][ T8020] device bridge_slave_1 entered promiscuous mode [ 54.727827][ T8020] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.746723][ T8030] IPVS: ftp: loaded support on port[0] = 21 [ 54.783189][ T8020] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.836510][ T8020] team0: Port device team_slave_0 added [ 54.843951][ T8020] team0: Port device team_slave_1 added [ 54.906343][ T8025] chnl_net:caif_netlink_parms(): no params data found [ 54.937172][ T8023] chnl_net:caif_netlink_parms(): no params data found [ 54.993343][ T8020] device hsr_slave_0 entered promiscuous mode [ 55.031491][ T8020] device hsr_slave_1 entered promiscuous mode [ 55.070855][ T8020] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.113410][ T8025] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.120534][ T8025] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.129990][ T8025] device bridge_slave_0 entered promiscuous mode [ 55.139944][ T8025] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.147086][ T8025] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.154851][ T8025] device bridge_slave_1 entered promiscuous mode [ 55.247080][ T8025] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.257045][ T8027] chnl_net:caif_netlink_parms(): no params data found [ 55.266413][ T8020] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.312180][ T8023] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.319263][ T8023] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.329012][ T8023] device bridge_slave_0 entered promiscuous mode [ 55.336849][ T8023] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.344641][ T8023] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.352558][ T8023] device bridge_slave_1 entered promiscuous mode [ 55.363241][ T8025] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.375825][ T8020] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.453420][ T8020] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.483447][ T8020] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.533549][ T8023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.543742][ T8030] chnl_net:caif_netlink_parms(): no params data found [ 55.564187][ T8025] team0: Port device team_slave_0 added [ 55.576317][ T8025] team0: Port device team_slave_1 added [ 55.586481][ T8023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.635534][ T8027] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.644487][ T8027] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.652806][ T8027] device bridge_slave_0 entered promiscuous mode [ 55.659777][ T8030] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.666975][ T8030] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.674891][ T8030] device bridge_slave_0 entered promiscuous mode [ 55.682733][ T8030] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.689774][ T8030] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.697310][ T8030] device bridge_slave_1 entered promiscuous mode [ 55.705620][ T8023] team0: Port device team_slave_0 added [ 55.718073][ T8017] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.726005][ T8027] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.733372][ T8027] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.741498][ T8027] device bridge_slave_1 entered promiscuous mode [ 55.762993][ T8023] team0: Port device team_slave_1 added [ 55.770148][ T8030] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.780595][ T8030] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.808953][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.817940][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.862154][ T8025] device hsr_slave_0 entered promiscuous mode [ 55.912210][ T8025] device hsr_slave_1 entered promiscuous mode [ 55.940712][ T8025] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.957439][ T8017] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.013502][ T8023] device hsr_slave_0 entered promiscuous mode [ 56.060977][ T8023] device hsr_slave_1 entered promiscuous mode [ 56.120724][ T8023] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.131617][ T8027] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.144530][ T8027] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.155086][ T8030] team0: Port device team_slave_0 added [ 56.168928][ T8030] team0: Port device team_slave_1 added [ 56.207047][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.215723][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.224157][ T8031] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.231338][ T8031] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.239013][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.248618][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.256926][ T8031] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.263986][ T8031] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.271493][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.279913][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.289176][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.363385][ T8030] device hsr_slave_0 entered promiscuous mode [ 56.401422][ T8030] device hsr_slave_1 entered promiscuous mode [ 56.441040][ T8030] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.457316][ T8023] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.503035][ T8023] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.544366][ T8027] team0: Port device team_slave_0 added [ 56.550195][ T8023] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.614977][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.623881][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.632549][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.646388][ T8027] team0: Port device team_slave_1 added [ 56.652399][ T8023] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.729537][ T8025] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.774015][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.783285][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.864771][ T8027] device hsr_slave_0 entered promiscuous mode [ 56.921048][ T8027] device hsr_slave_1 entered promiscuous mode [ 56.950825][ T8027] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.972067][ T8025] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.016272][ T8025] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.072963][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.081222][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.089544][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.098007][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.127283][ T8030] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 57.184507][ T8017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.192232][ T8025] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.238973][ T8020] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.253968][ T8030] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 57.293004][ T8030] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 57.342841][ T8030] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 57.391208][ T8020] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.402595][ T8027] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.437439][ T8027] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.483488][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.491692][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.522171][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.530910][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.539330][ T8029] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.546531][ T8029] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.555110][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.563921][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.572312][ T8029] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.579337][ T8029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.586909][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.595741][ T8027] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.662297][ T8027] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.721382][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.738839][ T8017] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.772116][ T8023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.786315][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.793929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.801755][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.810198][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.819299][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.828032][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.836711][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.845567][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.854027][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.862613][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.870990][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.904622][ T8020] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.920328][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.942493][ T8025] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.954450][ T8023] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.977687][ T8025] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.990857][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.998600][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.021185][ T8029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 163.040632][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.047425][ C1] rcu: 1-...!: (1 GPs behind) idle=276/1/0x4000000000000002 softirq=10923/10924 fqs=1 [ 163.057286][ C1] (t=10500 jiffies g=5889 q=82) [ 163.062215][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g5889 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.073295][ C1] rcu: RCU grace-period kthread stack dump: [ 163.079170][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.087053][ C1] Call Trace: [ 163.090341][ C1] __schedule+0x9a0/0xcc0 [ 163.094667][ C1] schedule+0x181/0x210 [ 163.098812][ C1] schedule_timeout+0x14f/0x240 [ 163.103651][ C1] ? run_local_timers+0x120/0x120 [ 163.108666][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.113423][ C1] kthread+0x332/0x350 [ 163.117477][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.122573][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.127150][ C1] ret_from_fork+0x24/0x30 [ 163.131567][ C1] NMI backtrace for cpu 1 [ 163.135887][ C1] CPU: 1 PID: 8039 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 163.144105][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.154140][ C1] Call Trace: [ 163.157409][ C1] [ 163.160246][ C1] dump_stack+0x1fb/0x318 [ 163.164568][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.169402][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.175540][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.181591][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.187561][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.193439][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.198539][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.203726][ C1] ? trace_hardirqs_off+0x74/0x80 [ 163.208736][ C1] update_process_times+0x12d/0x180 [ 163.213925][ C1] tick_sched_timer+0x263/0x420 [ 163.218781][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.224318][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.229517][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.234456][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.239728][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.245260][ C1] apic_timer_interrupt+0xf/0x20 [ 163.250179][ C1] [ 163.253102][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 163.259153][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 3c cd 07 48 89 de e8 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 [ 163.278738][ C1] RSP: 0018:ffffc90002677810 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.287220][ C1] RAX: 1ffffd400049ce07 RBX: 0000000000000000 RCX: 0000000000040000 [ 163.295177][ C1] RDX: ffffc90001ee9000 RSI: 000000000003ffff RDI: 0000000000040000 [ 163.303136][ C1] RBP: ffffc90002677838 R08: dffffc0000000000 R09: fffffbfff1287a8d [ 163.311093][ C1] R10: fffffbfff1287a8d R11: 0000000000000000 R12: dffffc0000000000 [ 163.319047][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809385d968 [ 163.327021][ C1] ? mod_memcg_page_state+0x123/0x190 [ 163.332378][ C1] free_thread_stack+0x168/0x590 [ 163.337304][ C1] put_task_stack+0xa3/0x130 [ 163.341882][ C1] finish_task_switch+0x3f1/0x550 [ 163.346895][ C1] __schedule+0x9a8/0xcc0 [ 163.351219][ C1] schedule+0x181/0x210 [ 163.355362][ C1] futex_wait_queue_me+0x2a3/0x4b0 [ 163.360464][ C1] futex_wait+0x252/0x770 [ 163.364808][ C1] do_futex+0x437/0x3d60 [ 163.369039][ C1] ? __lock_acquire+0xc75/0x1be0 [ 163.373976][ C1] ? percpu_counter_add_batch+0x153/0x170 [ 163.379677][ C1] ? __might_fault+0xf9/0x160 [ 163.384352][ C1] ? __might_fault+0xf9/0x160 [ 163.389023][ C1] ? check_preemption_disabled+0xb4/0x260 [ 163.394725][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.400001][ C1] __se_sys_futex+0x28c/0x360 [ 163.404665][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 163.410371][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 163.416075][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.421522][ C1] __x64_sys_futex+0xe5/0x100 [ 163.426188][ C1] do_syscall_64+0xf7/0x1c0 [ 163.430680][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.436554][ C1] RIP: 0033:0x45a679 [ 163.440436][ C1] 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 [ 163.460041][ C1] RSP: 002b:00007f8df340ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 163.468444][ C1] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045a679 [ 163.476405][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 163.484366][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 163.492326][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 163.500301][ C1] R13: 00007fffe3b9cd4f R14: 00007f8df340f9c0 R15: 000000000075bf2c