[ 41.126627][ T25] audit: type=1800 audit(1575457751.891:27): pid=7957 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.157335][ T25] audit: type=1800 audit(1575457751.891:28): pid=7957 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. [ 41.743848][ T25] audit: type=1800 audit(1575457752.561:29): pid=7957 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.763342][ T25] audit: type=1800 audit(1575457752.561:30): pid=7957 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 '10.128.0.94' (ECDSA) to the list of known hosts. 2019/12/04 11:09:22 fuzzer started 2019/12/04 11:09:23 dialing manager at 10.128.0.26:36481 2019/12/04 11:09:23 syscalls: 2691 2019/12/04 11:09:23 code coverage: enabled 2019/12/04 11:09:23 comparison tracing: enabled 2019/12/04 11:09:23 extra coverage: extra coverage is not supported by the kernel 2019/12/04 11:09:23 setuid sandbox: enabled 2019/12/04 11:09:23 namespace sandbox: enabled 2019/12/04 11:09:23 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 11:09:23 fault injection: enabled 2019/12/04 11:09:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 11:09:23 net packet injection: enabled 2019/12/04 11:09:23 net device setup: enabled 2019/12/04 11:09:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 11:09:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:09:24 executing program 0: unshare(0x2040400) r0 = memfd_create(&(0x7f00000002c0)=']\x9dL\x00', 0x0) fsync(r0) 11:09:25 executing program 1: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x0, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, @perf_bp={0x0}}, 0x0, 0x0, r0, 0x0) r1 = perf_event_open(&(0x7f0000940000)={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, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x101) syzkaller login: [ 54.224330][ T8120] IPVS: ftp: loaded support on port[0] = 21 11:09:25 executing program 2: r0 = syz_open_dev$sndseq(&(0x7f000087bff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000b0bf74)={0x0, 0x0, 0x0, 'queue0\x00'}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000100)={0x0, 0x0, {0x1, 0x0, 0x0, 0x0, 0x3577}}) [ 54.387045][ T8123] IPVS: ftp: loaded support on port[0] = 21 [ 54.399090][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 54.486635][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.507966][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.516096][ T8120] device bridge_slave_0 entered promiscuous mode [ 54.545409][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.558870][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.566916][ T8120] device bridge_slave_1 entered promiscuous mode [ 54.581836][ T8125] IPVS: ftp: loaded support on port[0] = 21 11:09:25 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000002c0)='\r\x00\x00\x00\x00\x0069', 0x8}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x1f, r0, 0x0, 0x0) [ 54.632850][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.667328][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.732166][ T8120] team0: Port device team_slave_0 added [ 54.755919][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 54.791801][ T8120] team0: Port device team_slave_1 added 11:09:25 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x69, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) shutdown(0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000a00)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x89a1, &(0x7f0000000340)={@local}) bind$inet(0xffffffffffffffff, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$sock_inet6_SIOCADDRT(r1, 0x89a0, &(0x7f0000000100)={@local={0xfe, 0x80, [0x0, 0xfeff0000, 0x77a0100]}, @rand_addr="58c4c4a733d993a894f49491cb15d13e", @loopback}) openat$cgroup_int(0xffffffffffffffff, 0x0, 0x2, 0x0) munmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000) pipe2(0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000006c0)={'vxcan1\x00'}) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, 0x0) fcntl$F_SET_RW_HINT(0xffffffffffffffff, 0x40c, &(0x7f0000000300)=0x4) ioctl$sock_SIOCGIFCONF(r0, 0x8912, &(0x7f0000000240)) [ 54.940619][ T8120] device hsr_slave_0 entered promiscuous mode [ 54.999940][ T8120] device hsr_slave_1 entered promiscuous mode [ 55.069332][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 55.081729][ T8130] IPVS: ftp: loaded support on port[0] = 21 [ 55.122985][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.133144][ T8123] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.144021][ T8123] device bridge_slave_0 entered promiscuous mode 11:09:26 executing program 5: r0 = socket$can_j1939(0x1d, 0x2, 0x7) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000200)={'vcan0\x00', 0x0}) bind$can_j1939(r0, &(0x7f0000000240)={0x1d, r2, 0x1}, 0x18) sendmmsg(r0, &(0x7f00000019c0)=[{{&(0x7f0000000000)=@can, 0x80, 0x0}}, {{0x0, 0x0, 0x0}}], 0x2, 0x0) [ 55.169369][ T8120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.230665][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.239967][ T8123] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.248646][ T8123] device bridge_slave_1 entered promiscuous mode [ 55.266638][ T8120] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.330040][ T8120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.368673][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 55.378378][ T8123] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.389703][ T8123] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.401160][ T8120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.494188][ T8123] team0: Port device team_slave_0 added [ 55.494313][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 55.531064][ T8123] team0: Port device team_slave_1 added [ 55.542807][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.550668][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.558478][ T8125] device bridge_slave_0 entered promiscuous mode [ 55.599477][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.606567][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.614868][ T8125] device bridge_slave_1 entered promiscuous mode [ 55.647202][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.658510][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 55.683911][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.749436][ T8125] team0: Port device team_slave_0 added [ 55.799783][ T8123] device hsr_slave_0 entered promiscuous mode [ 55.838181][ T8123] device hsr_slave_1 entered promiscuous mode [ 55.908185][ T8123] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.916049][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.923479][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.931428][ T8128] device bridge_slave_0 entered promiscuous mode [ 55.939051][ T8130] chnl_net:caif_netlink_parms(): no params data found [ 55.947476][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.954915][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.962856][ T8128] device bridge_slave_1 entered promiscuous mode [ 55.982196][ T8125] team0: Port device team_slave_1 added [ 56.011261][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.040809][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.120782][ T8125] device hsr_slave_0 entered promiscuous mode [ 56.178694][ T8125] device hsr_slave_1 entered promiscuous mode [ 56.218055][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.231493][ T8130] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.238720][ T8130] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.246400][ T8130] device bridge_slave_0 entered promiscuous mode [ 56.256258][ T8130] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.268352][ T8130] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.276137][ T8130] device bridge_slave_1 entered promiscuous mode [ 56.305089][ T8123] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.342655][ T8123] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.401771][ T8128] team0: Port device team_slave_0 added [ 56.407693][ T8123] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.473707][ T8123] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.526998][ T8128] team0: Port device team_slave_1 added [ 56.541409][ T8130] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.553612][ T8120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.587402][ T8130] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.602619][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 56.639617][ T8128] device hsr_slave_0 entered promiscuous mode [ 56.678264][ T8128] device hsr_slave_1 entered promiscuous mode [ 56.718001][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.730359][ T8125] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.796942][ T8125] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.850651][ T8125] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.958915][ T8125] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.998841][ T8130] team0: Port device team_slave_0 added [ 57.010282][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.018946][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.027538][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.035291][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.043769][ T8134] device bridge_slave_0 entered promiscuous mode [ 57.052601][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.059741][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.067418][ T8134] device bridge_slave_1 entered promiscuous mode [ 57.079445][ T8130] team0: Port device team_slave_1 added [ 57.107361][ T8120] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.119933][ T8128] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.140495][ T8128] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.181561][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.203916][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.213475][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.222697][ T2956] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.229883][ T2956] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.238033][ T8128] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.283207][ T8123] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.295000][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.324176][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.332877][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.341636][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.350165][ T8133] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.357218][ T8133] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.365820][ T8128] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.471425][ T8130] device hsr_slave_0 entered promiscuous mode [ 57.518475][ T8130] device hsr_slave_1 entered promiscuous mode [ 57.569274][ T8130] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.578979][ T8134] team0: Port device team_slave_0 added [ 57.587021][ T8134] team0: Port device team_slave_1 added [ 57.602507][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.611212][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.620423][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.629471][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.638513][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.647009][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.655979][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.709840][ T8134] device hsr_slave_0 entered promiscuous mode [ 57.748285][ T8134] device hsr_slave_1 entered promiscuous mode [ 57.798783][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.834803][ T8123] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.848116][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.855773][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.864032][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.872900][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.881461][ T8133] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.888570][ T8133] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.897058][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.924449][ T8130] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.975938][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.984732][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.993494][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.001930][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.011728][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.020416][ T3960] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.028890][ T3960] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.035929][ T3960] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.044151][ T8134] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.100580][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.109000][ T8130] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.149650][ T8130] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.191277][ T8130] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.270088][ T8134] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.310715][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.318865][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.327488][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.336621][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.345467][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.354000][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.362567][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.370932][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.388434][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.396714][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.406670][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.421716][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.430091][ T8134] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.473256][ T8134] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.542362][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.551417][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.559809][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.567292][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.577272][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.589481][ T8120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.606379][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.649705][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.657181][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.678995][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.687989][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.696277][ T8133] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.703376][ T8133] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.732231][ T8123] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.739871][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.747738][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.756487][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.765407][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.772493][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.803076][ T8128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.828394][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.837045][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 163.837862][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 163.844895][ C1] (detected by 1, t=10502 jiffies, g=6061, q=193) [ 163.851391][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953532-4294943029), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 163.864994][ C1] syz-executor.0 R running task 29032 8142 8120 0x0000400e [ 163.872891][ C1] Call Trace: [ 163.876160][ C1] [ 163.879022][ C1] sched_show_task+0x40f/0x560 [ 163.883777][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 163.889054][ C1] update_process_times+0x12d/0x180 [ 163.894240][ C1] tick_sched_timer+0x263/0x420 [ 163.899085][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.904615][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.909904][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.914842][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.920130][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.925667][ C1] apic_timer_interrupt+0xf/0x20 [ 163.930585][ C1] [ 163.933516][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 163.939226][ C1] Code: 31 f6 e8 a2 a1 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 163.958833][ C1] RSP: 0018:ffffc900026b7848 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.967420][ C1] RAX: 1ffff110132770d1 RBX: ffff8880993b8688 RCX: 0000000000000000 [ 163.975385][ C1] RDX: ffffc90001f89000 RSI: 0000000000000000 RDI: ffffea000250fcc0 [ 163.983348][ C1] RBP: ffffc900026b7880 R08: dffffc0000000000 R09: fffffbfff1287a8d [ 163.991305][ C1] R10: fffffbfff1287a8d R11: 0000000000000000 R12: ffff8880993b8720 [ 163.999264][ C1] R13: dffffc0000000000 R14: 1ffff110132770e4 R15: ffff888095ff3528 [ 164.007243][ C1] ? free_thread_stack+0x12e/0x590 [ 164.012350][ C1] put_task_stack+0xa3/0x130 [ 164.017000][ C1] finish_task_switch+0x3f1/0x550 [ 164.022031][ C1] __schedule+0x9a8/0xcc0 [ 164.026359][ C1] schedule+0x181/0x210 [ 164.030513][ C1] futex_wait_queue_me+0x2a3/0x4b0 [ 164.036141][ C1] futex_wait+0x252/0x770 [ 164.040668][ C1] do_futex+0x437/0x3d60 [ 164.044917][ C1] ? __lock_acquire+0xc75/0x1be0 [ 164.049947][ C1] ? __might_fault+0xf9/0x160 [ 164.054711][ C1] ? __might_fault+0xf9/0x160 [ 164.059377][ C1] ? check_preemption_disabled+0xb4/0x260 [ 164.065081][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.070384][ C1] __se_sys_futex+0x28c/0x360 [ 164.075064][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 164.080792][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 164.086531][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.092004][ C1] __x64_sys_futex+0xe5/0x100 [ 164.096692][ C1] do_syscall_64+0xf7/0x1c0 [ 164.101198][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.107361][ C1] RIP: 0033:0x45a679 [ 164.111262][ 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 [ 164.130958][ C1] RSP: 002b:00007f48df66bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 164.139374][ C1] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045a679 [ 164.147348][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 164.155326][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.163294][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 164.171380][ C1] R13: 00007ffd33f7024f R14: 00007f48df66c9c0 R15: 000000000075bf2c [ 164.179374][ C1] rcu: rcu_preempt kthread starved for 10536 jiffies! g6061 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.190993][ C1] rcu: RCU grace-period kthread stack dump: [ 164.196898][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.204805][ C1] Call Trace: [ 164.208107][ C1] __schedule+0x9a0/0xcc0 [ 164.212458][ C1] schedule+0x181/0x210 [ 164.216617][ C1] schedule_timeout+0x14f/0x240 [ 164.221464][ C1] ? run_local_timers+0x120/0x120 [ 164.226484][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.231365][ C1] kthread+0x332/0x350 [ 164.235431][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.240553][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.245144][ C1] ret_from_fork+0x24/0x30