[ 40.914884][ T25] audit: type=1800 audit(1575351247.489:26): pid=7939 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.963434][ T25] audit: type=1800 audit(1575351247.489:27): pid=7939 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.994865][ T25] audit: type=1800 audit(1575351247.489:28): pid=7939 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. [ 41.735010][ T25] audit: type=1800 audit(1575351248.339:29): pid=7939 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.236' (ECDSA) to the list of known hosts. 2019/12/03 05:34:19 fuzzer started 2019/12/03 05:34:20 dialing manager at 10.128.0.26:38907 2019/12/03 05:34:20 syscalls: 2697 2019/12/03 05:34:20 code coverage: enabled 2019/12/03 05:34:20 comparison tracing: enabled 2019/12/03 05:34:20 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:34:20 setuid sandbox: enabled 2019/12/03 05:34:20 namespace sandbox: enabled 2019/12/03 05:34:20 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:34:20 fault injection: enabled 2019/12/03 05:34:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:34:20 net packet injection: enabled 2019/12/03 05:34:20 net device setup: enabled 2019/12/03 05:34:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:34:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:34:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x4d, 0x0, &(0x7f0000000100)) 05:34:21 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x57}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) syzkaller login: [ 55.422238][ T8104] IPVS: ftp: loaded support on port[0] = 21 05:34:22 executing program 2: r0 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x0, 0x22, &(0x7f0000000080), 0xc) [ 55.572165][ T8104] chnl_net:caif_netlink_parms(): no params data found [ 55.581910][ T8106] IPVS: ftp: loaded support on port[0] = 21 [ 55.688746][ T8104] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.703529][ T8104] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.711633][ T8104] device bridge_slave_0 entered promiscuous mode [ 55.736904][ T8109] IPVS: ftp: loaded support on port[0] = 21 [ 55.744880][ T8104] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.752043][ T8104] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.764293][ T8104] device bridge_slave_1 entered promiscuous mode 05:34:22 executing program 3: r0 = perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 0x2005, 0x0, 0x0, 0x0, 0x0, 0x1, 0xa0b0, 0x7, 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) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x11, r1, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r2, &(0x7f0000000040)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r2, 0x0, 0x10b, 0x200007fe, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r2, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x0, 0x0, 0x53) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000001840)={0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) [ 55.833101][ T8104] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.871380][ T8104] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.900244][ T8106] chnl_net:caif_netlink_parms(): no params data found [ 55.928192][ T8104] team0: Port device team_slave_0 added [ 55.966145][ T8104] team0: Port device team_slave_1 added [ 56.060443][ T8106] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.069999][ T8113] IPVS: ftp: loaded support on port[0] = 21 [ 56.079623][ T8106] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.087817][ T8106] device bridge_slave_0 entered promiscuous mode 05:34:22 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0xb, 0x3, &(0x7f0000000100)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x21, 0xffffff9c}}, &(0x7f0000e6bffc)='GPL\xfb', 0x1, 0x99, &(0x7f000000d000)=""/153, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f00000001c0), 0x8, 0x10, &(0x7f0000000180), 0x10}, 0x46) [ 56.167619][ T8104] device hsr_slave_0 entered promiscuous mode [ 56.245527][ T8104] device hsr_slave_1 entered promiscuous mode 05:34:22 executing program 5: perf_event_open(&(0x7f0000001340)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x8000000000001e, 0x5, 0x0, &(0x7f000000dff8)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, 0x0, 0x0) writev(r0, &(0x7f0000000240)=[{&(0x7f0000000080)="a3", 0x1}], 0x1) syz_open_dev$video4linux(0x0, 0x0, 0x0) write(r0, 0x0, 0x0) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000785000), 0x34a) writev(r0, &(0x7f00000013c0)=[{&(0x7f00000000c0)="da", 0x1}], 0x1) getsockopt$inet_buf(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000440)) close(r0) ioctl$UFFDIO_ZEROPAGE(0xffffffffffffffff, 0xc020aa04, 0x0) sendmmsg$alg(r1, &(0x7f0000236fc8)=[{0x8004000, 0x0, &(0x7f00000fff80), 0xc, &(0x7f00001e1e78)}], 0x4924924924926c8, 0xf0ff7f) [ 56.302845][ T8106] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.315428][ T8106] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.325612][ T8106] device bridge_slave_1 entered promiscuous mode [ 56.339781][ T8115] IPVS: ftp: loaded support on port[0] = 21 [ 56.369409][ T8109] chnl_net:caif_netlink_parms(): no params data found [ 56.402725][ T8104] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.476947][ T8104] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.517088][ T8104] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.567630][ T8104] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.635842][ T8106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.647150][ T8106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.688154][ T8117] IPVS: ftp: loaded support on port[0] = 21 [ 56.708960][ T8106] team0: Port device team_slave_0 added [ 56.737627][ T8106] team0: Port device team_slave_1 added [ 56.750009][ T8109] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.757625][ T8109] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.766167][ T8109] device bridge_slave_0 entered promiscuous mode [ 56.846028][ T8106] device hsr_slave_0 entered promiscuous mode [ 56.893949][ T8106] device hsr_slave_1 entered promiscuous mode [ 56.943533][ T8106] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.951663][ T8109] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.959838][ T8109] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.968472][ T8109] device bridge_slave_1 entered promiscuous mode [ 57.037957][ T8109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.079195][ T8109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.115866][ T8106] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.178626][ T8109] team0: Port device team_slave_0 added [ 57.186680][ T8109] team0: Port device team_slave_1 added [ 57.198592][ T8117] chnl_net:caif_netlink_parms(): no params data found [ 57.207349][ T8113] chnl_net:caif_netlink_parms(): no params data found [ 57.216031][ T8106] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.266263][ T8106] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.305295][ T8106] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.416134][ T8109] device hsr_slave_0 entered promiscuous mode [ 57.463756][ T8109] device hsr_slave_1 entered promiscuous mode [ 57.523624][ T8109] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.594051][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.601123][ T8117] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.610245][ T8117] device bridge_slave_0 entered promiscuous mode [ 57.625684][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.632754][ T8117] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.640572][ T8117] device bridge_slave_1 entered promiscuous mode [ 57.676740][ T8113] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.687081][ T8113] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.694895][ T8113] device bridge_slave_0 entered promiscuous mode [ 57.701832][ T8115] chnl_net:caif_netlink_parms(): no params data found [ 57.714254][ T8109] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.761232][ T8113] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.768881][ T8113] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.776816][ T8113] device bridge_slave_1 entered promiscuous mode [ 57.803592][ T8109] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.856348][ T8117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.870813][ T8117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.882229][ T8113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.895823][ T8109] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.952984][ T8109] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.011304][ T8106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.020181][ T8113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.042504][ T8115] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.051204][ T8115] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.059126][ T8115] device bridge_slave_0 entered promiscuous mode [ 58.067641][ T8115] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.075017][ T8115] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.082701][ T8115] device bridge_slave_1 entered promiscuous mode [ 58.091560][ T8117] team0: Port device team_slave_0 added [ 58.112991][ T8113] team0: Port device team_slave_0 added [ 58.120776][ T8113] team0: Port device team_slave_1 added [ 58.131593][ T8117] team0: Port device team_slave_1 added [ 58.159062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.167325][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.179759][ T8115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.194290][ T8115] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.217375][ T8104] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.275194][ T8113] device hsr_slave_0 entered promiscuous mode [ 58.323838][ T8113] device hsr_slave_1 entered promiscuous mode [ 58.373468][ T8113] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.382727][ T8106] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.437586][ T8117] device hsr_slave_0 entered promiscuous mode [ 58.493730][ T8117] device hsr_slave_1 entered promiscuous mode [ 58.543559][ T8117] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.558003][ T8115] team0: Port device team_slave_0 added [ 58.570443][ T8115] team0: Port device team_slave_1 added [ 58.599257][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.607429][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.615253][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.624164][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.632491][ T3193] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.639657][ T3193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.647890][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.656654][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.665068][ T3193] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.672103][ T3193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.680077][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.711719][ T8104] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.725877][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.734963][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.760050][ T8117] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.835453][ T8115] device hsr_slave_0 entered promiscuous mode [ 58.873706][ T8115] device hsr_slave_1 entered promiscuous mode [ 58.943567][ T8115] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.959916][ T8113] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.005597][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.014670][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.022924][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.031523][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.040130][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.048727][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.057128][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.064256][ T8123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.071699][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.080291][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.088579][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.095696][ T8123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.110891][ T8106] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.123121][ T8106] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.135795][ T8117] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.168317][ T8117] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.226141][ T8117] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.284740][ T8113] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.328397][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.336781][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.344781][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.354053][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.362595][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.372724][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.381283][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.391236][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.414711][ T8113] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.456243][ T8113] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.506440][ T8115] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.545029][ T8115] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.595339][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.604667][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.613036][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.621657][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.629863][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.637946][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.651444][ T8106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.661117][ T8109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.673565][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.681928][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.690838][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.699556][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.707804][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.715970][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.724674][ T8115] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.778575][ T8115] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.849246][ T8104] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.870406][ T8109] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.895617][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.910133][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.974860][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.989318][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.999424][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.006578][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.020991][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.062309][ T8117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.078273][ T8117] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.023337][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.030137][ C1] rcu: 1-...!: (10499 ticks this GP) idle=862/1/0x4000000000000002 softirq=10847/10847 fqs=0 [ 165.040604][ C1] (t=10501 jiffies g=6165 q=233) [ 165.045619][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6165 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.056697][ C1] rcu: RCU grace-period kthread stack dump: [ 165.062570][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.070457][ C1] Call Trace: [ 165.073824][ C1] __schedule+0x9a0/0xcc0 [ 165.078152][ C1] schedule+0x181/0x210 [ 165.082293][ C1] schedule_timeout+0x14f/0x240 [ 165.087129][ C1] ? run_local_timers+0x120/0x120 [ 165.092142][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.096929][ C1] kthread+0x332/0x350 [ 165.101011][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.106126][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.110708][ C1] ret_from_fork+0x24/0x30 [ 165.115135][ C1] NMI backtrace for cpu 1 [ 165.119457][ C1] CPU: 1 PID: 8115 Comm: syz-executor.4 Not tainted 5.4.0-syzkaller #0 [ 165.127680][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.137732][ C1] Call Trace: [ 165.141007][ C1] [ 165.143852][ C1] dump_stack+0x1fb/0x318 [ 165.148174][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.153011][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.159154][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.165209][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.171178][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.177058][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.182163][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.187351][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.192367][ C1] update_process_times+0x12d/0x180 [ 165.197555][ C1] tick_sched_timer+0x263/0x420 [ 165.202391][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.207923][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.213122][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.218062][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.223342][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.228874][ C1] apic_timer_interrupt+0xf/0x20 [ 165.233796][ C1] [ 165.236727][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 165.242866][ C1] Code: 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 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 165.262452][ C1] RSP: 0018:ffffc900025b75c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 165.270851][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff88808d940080 [ 165.278810][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027935c0 [ 165.286767][ C1] RBP: ffffc900025b75e8 R08: 000000000003a768 R09: ffffed1011edf337 [ 165.294724][ C1] R10: ffffed1011edf337 R11: 0000000000000000 R12: dffffc0000000000 [ 165.302680][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808f6f99a8 [ 165.310655][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.316016][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.321377][ C1] free_thread_stack+0x168/0x590 [ 165.326305][ C1] put_task_stack+0xa3/0x130 [ 165.330883][ C1] finish_task_switch+0x3f1/0x550 [ 165.335900][ C1] __schedule+0x9a8/0xcc0 [ 165.340222][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.345499][ C1] schedule+0x181/0x210 [ 165.349642][ C1] schedule_preempt_disabled+0x13/0x20 [ 165.355086][ C1] mutex_optimistic_spin+0x445/0x480 [ 165.360362][ C1] __mutex_lock_common+0x2e7/0x2e10 [ 165.365547][ C1] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 165.370642][ C1] ? rcu_lock_release+0x9/0x30 [ 165.375406][ C1] mutex_lock_nested+0x1b/0x30 [ 165.380158][ C1] rtnetlink_rcv_msg+0x83c/0xd40 [ 165.385125][ C1] ? rcu_lock_release+0x9/0x30 [ 165.389878][ C1] ? rcu_lock_release+0x9/0x30 [ 165.394635][ C1] ? rcu_lock_release+0x9/0x30 [ 165.399394][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 165.404148][ C1] ? rtnetlink_bind+0x80/0x80 [ 165.408827][ C1] rtnetlink_rcv+0x1c/0x20 [ 165.413231][ C1] netlink_unicast+0x767/0x920 [ 165.417992][ C1] netlink_sendmsg+0xa21/0xd40 [ 165.422754][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 165.427941][ C1] __sys_sendto+0x442/0x5e0 [ 165.432442][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 165.438499][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 165.444208][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.449655][ C1] __x64_sys_sendto+0xe5/0x100 [ 165.454414][ C1] do_syscall_64+0xf7/0x1c0 [ 165.458909][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.464787][ C1] RIP: 0033:0x414373 [ 165.468672][ C1] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 165.488266][ C1] RSP: 002b:00007ffff1a06f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 165.496661][ C1] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 165.504624][ C1] RDX: 0000000000000040 RSI: 0000000000a72250 RDI: 0000000000000003 [ 165.512579][ C1] RBP: 0000000000000000 R08: 00007ffff1a06f20 R09: 000000000000000c [ 165.520537][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.528494][ C1] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003