[ 44.783599][ T25] audit: type=1800 audit(1575389268.048:26): pid=8103 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.815075][ T25] audit: type=1800 audit(1575389268.048:27): pid=8103 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.835986][ T25] audit: type=1800 audit(1575389268.048:28): pid=8103 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. [ 45.523041][ T25] audit: type=1800 audit(1575389268.798:29): pid=8103 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 '10.128.0.29' (ECDSA) to the list of known hosts. 2019/12/03 16:07:59 fuzzer started 2019/12/03 16:08:01 dialing manager at 10.128.0.26:45711 2019/12/03 16:08:01 syscalls: 2689 2019/12/03 16:08:01 code coverage: enabled 2019/12/03 16:08:01 comparison tracing: enabled 2019/12/03 16:08:01 extra coverage: extra coverage is not supported by the kernel 2019/12/03 16:08:01 setuid sandbox: enabled 2019/12/03 16:08:01 namespace sandbox: enabled 2019/12/03 16:08:01 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 16:08:01 fault injection: enabled 2019/12/03 16:08:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 16:08:01 net packet injection: enabled 2019/12/03 16:08:01 net device setup: enabled 2019/12/03 16:08:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 16:08:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:08:02 executing program 0: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x0) fallocate(r0, 0x0, 0x0, 0x2000002) truncate(&(0x7f0000000240)='./file0\x00', 0x90002) fadvise64(r0, 0x0, 0x8001, 0x4) 16:08:03 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x12, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0xa}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0xe, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) syzkaller login: [ 59.912103][ T8269] IPVS: ftp: loaded support on port[0] = 21 16:08:03 executing program 2: mkdir(&(0x7f0000000180)='./file1\x00', 0x0) io_setup(0x5, &(0x7f0000000040)=0x0) io_pgetevents(r0, 0x2, 0x0, 0x0, &(0x7f0000000140), &(0x7f0000000240)={&(0x7f0000000200), 0x8}) ioctl$sock_TIOCINQ(0xffffffffffffffff, 0x541b, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f00000005c0)=ANY=[@ANYBLOB], 0x1) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/btrfs-control\x00', 0x282140, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 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, 0x2000000000}, 0x0, 0x0, 0xfffffffe, 0x0, 0xffffffffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) symlink(&(0x7f00000000c0)='./file1/file0\x00', &(0x7f0000000100)='./file1/file0\x00') r1 = open$dir(&(0x7f0000000300)='./file1\x00', 0x0, 0x0) mkdirat(r1, &(0x7f0000000340)='./file1\x00', 0x0) mkdirat(r1, &(0x7f0000000380)='./file1/file0\x00', 0x0) socket(0x0, 0x80001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) renameat2(r1, &(0x7f0000000000)='./file1/file0\x00', r1, &(0x7f00000001c0)='./file0\x00', 0x2) [ 60.087460][ T8272] IPVS: ftp: loaded support on port[0] = 21 [ 60.096813][ T8269] chnl_net:caif_netlink_parms(): no params data found [ 60.209443][ T8269] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.227325][ T8269] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.248375][ T8269] device bridge_slave_0 entered promiscuous mode 16:08:03 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000001440)=[{&(0x7f0000000340)="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", 0xcc1}, {&(0x7f0000001340)='%', 0x1}], 0x2, 0x0) r2 = socket$kcm(0x29, 0x5, 0x0) splice(r0, 0x0, r2, 0x0, 0x103fffffd, 0x0) [ 60.280753][ T8269] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.307761][ T8269] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.317543][ T8269] device bridge_slave_1 entered promiscuous mode [ 60.388732][ T8276] IPVS: ftp: loaded support on port[0] = 21 [ 60.428297][ T8269] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.480315][ T8269] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.508590][ T8272] chnl_net:caif_netlink_parms(): no params data found [ 60.571458][ T8277] IPVS: ftp: loaded support on port[0] = 21 [ 60.591198][ T8269] team0: Port device team_slave_0 added [ 60.614258][ T8272] bridge0: port 1(bridge_slave_0) entered blocking state 16:08:03 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) keyctl$reject(0x13, 0x0, 0x0, 0x202, 0x0) [ 60.624499][ T8272] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.633079][ T8272] device bridge_slave_0 entered promiscuous mode [ 60.647445][ T8269] team0: Port device team_slave_1 added [ 60.680108][ T8272] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.694406][ T8272] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.718023][ T8272] device bridge_slave_1 entered promiscuous mode [ 60.755999][ T8272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.788224][ T8272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 16:08:04 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000000940)={0xb, 0x3, &(0x7f00000003c0)=@framed={{0x18, 0x0, 0x5}}, &(0x7f0000000440)='syzkaller\x00', 0x5, 0x90, &(0x7f0000000200)=""/144, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 60.869167][ T8269] device hsr_slave_0 entered promiscuous mode [ 60.906835][ T8269] device hsr_slave_1 entered promiscuous mode [ 60.959395][ T8272] team0: Port device team_slave_0 added [ 60.978855][ T8272] team0: Port device team_slave_1 added [ 61.000312][ T8279] IPVS: ftp: loaded support on port[0] = 21 [ 61.179074][ T8272] device hsr_slave_0 entered promiscuous mode [ 61.236661][ T8272] device hsr_slave_1 entered promiscuous mode [ 61.276450][ T8272] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.288169][ T8276] chnl_net:caif_netlink_parms(): no params data found [ 61.313611][ T8282] IPVS: ftp: loaded support on port[0] = 21 [ 61.363357][ T8269] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.419490][ T8269] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.469894][ T8269] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.522689][ T8269] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.615197][ T8272] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.658315][ T8277] chnl_net:caif_netlink_parms(): no params data found [ 61.673327][ T8276] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.681715][ T8276] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.690104][ T8276] device bridge_slave_0 entered promiscuous mode [ 61.707330][ T8272] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.742803][ T8272] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.779809][ T8272] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.838170][ T8276] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.845482][ T8276] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.853602][ T8276] device bridge_slave_1 entered promiscuous mode [ 61.898015][ T8276] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.948817][ T8276] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.972142][ T8277] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.979979][ T8277] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.988239][ T8277] device bridge_slave_0 entered promiscuous mode [ 62.020142][ T8279] chnl_net:caif_netlink_parms(): no params data found [ 62.030567][ T8277] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.039587][ T8277] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.049181][ T8277] device bridge_slave_1 entered promiscuous mode [ 62.071942][ T8276] team0: Port device team_slave_0 added [ 62.083699][ T8276] team0: Port device team_slave_1 added [ 62.104254][ T8277] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.125578][ T8282] chnl_net:caif_netlink_parms(): no params data found [ 62.138871][ T8277] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.228474][ T8276] device hsr_slave_0 entered promiscuous mode [ 62.286732][ T8276] device hsr_slave_1 entered promiscuous mode [ 62.366429][ T8276] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.390245][ T8279] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.400135][ T8279] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.409322][ T8279] device bridge_slave_0 entered promiscuous mode [ 62.422243][ T8279] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.430001][ T8279] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.439182][ T8279] device bridge_slave_1 entered promiscuous mode [ 62.471968][ T8277] team0: Port device team_slave_0 added [ 62.499547][ T8279] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.527959][ T8277] team0: Port device team_slave_1 added [ 62.535345][ T8279] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.551478][ T8276] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.608537][ T8282] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.616156][ T8282] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.624556][ T8282] device bridge_slave_0 entered promiscuous mode [ 62.646938][ T8269] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.664241][ T8276] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.712320][ T8282] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.719655][ T8282] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.732578][ T8282] device bridge_slave_1 entered promiscuous mode [ 62.742965][ T8279] team0: Port device team_slave_0 added [ 62.757847][ T8276] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.849867][ T8277] device hsr_slave_0 entered promiscuous mode [ 62.906872][ T8277] device hsr_slave_1 entered promiscuous mode [ 62.966538][ T8277] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.982588][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.991594][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.002338][ T8279] team0: Port device team_slave_1 added [ 63.013514][ T8269] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.022302][ T8276] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.086831][ T8272] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.113172][ T8282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.135611][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.146511][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.155894][ T2725] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.163986][ T2725] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.175169][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.219421][ T8279] device hsr_slave_0 entered promiscuous mode [ 63.286872][ T8279] device hsr_slave_1 entered promiscuous mode [ 63.327259][ T8279] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.341446][ T8282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.389897][ T3749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.405434][ T3749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.414507][ T3749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.424713][ T3749] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.435086][ T3749] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.443451][ T3749] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.452403][ T3749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.461897][ T3749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.475233][ T8282] team0: Port device team_slave_0 added [ 63.490594][ T8272] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.514151][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.524191][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.534267][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.544088][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.553961][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.563728][ T8287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.572733][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.581094][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.590767][ T8277] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.655403][ T8282] team0: Port device team_slave_1 added [ 63.662605][ T8277] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.701279][ T8277] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.748697][ T8277] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.803664][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.813602][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.826909][ T8279] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.865156][ T8279] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.922020][ T8269] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.934800][ T8269] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.948075][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.958270][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.967873][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.975837][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.984650][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.997872][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.008201][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.017522][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.027202][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.037136][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.052665][ T8279] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.120041][ T8279] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.196985][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.260007][ T8282] device hsr_slave_0 entered promiscuous mode [ 64.317157][ T8282] device hsr_slave_1 entered promiscuous mode [ 64.396455][ T8282] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.421850][ T8272] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.432491][ T8272] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.453222][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.462574][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.473557][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.484060][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.496514][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.507557][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.517936][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.527357][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.537228][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.545333][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.566830][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.575185][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.611680][ T8276] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.651522][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.660243][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.669528][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.677941][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.689179][ T8276] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.700520][ T8282] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.767690][ T8269] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.779946][ T8282] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.812041][ T8282] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.851932][ T8282] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.898467][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.910773][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.920183][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.927804][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.948222][ T8272] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.973416][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.982410][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.995592][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.005179][ T8284] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.012859][ T8284] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.022320][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.032306][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.046452][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.055359][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.071948][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.093415][ T8277] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.119939][ T8276] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.131986][ T8276] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.144531][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.158618][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.172912][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.182960][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.195343][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.206434][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.231781][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.241016][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.249670][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.265756][ T8277] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.301579][ T8279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 170.356200][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.363379][ C0] rcu: 0-...!: (10499 ticks this GP) idle=ee2/1/0x4000000000000002 softirq=10373/10373 fqs=2 [ 170.373880][ C0] (t=10501 jiffies g=6741 q=131) [ 170.378913][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6741 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.389999][ C0] rcu: RCU grace-period kthread stack dump: [ 170.395878][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.403772][ C0] Call Trace: [ 170.407063][ C0] __schedule+0x9a0/0xcc0 [ 170.411393][ C0] schedule+0x181/0x210 [ 170.415543][ C0] schedule_timeout+0x14f/0x240 [ 170.420573][ C0] ? run_local_timers+0x120/0x120 [ 170.425602][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.430378][ C0] kthread+0x332/0x350 [ 170.434435][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.439622][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.444221][ C0] ret_from_fork+0x24/0x30 [ 170.448648][ C0] NMI backtrace for cpu 0 [ 170.452972][ C0] CPU: 0 PID: 8277 Comm: syz-executor.3 Not tainted 5.4.0-syzkaller #0 [ 170.461298][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.471697][ C0] Call Trace: [ 170.474971][ C0] [ 170.477929][ C0] dump_stack+0x1fb/0x318 [ 170.482267][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.487117][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.493372][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.499433][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.505424][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.511306][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.516410][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.521624][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.526662][ C0] update_process_times+0x12d/0x180 [ 170.531965][ C0] tick_sched_timer+0x263/0x420 [ 170.536814][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.542349][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.547827][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.552770][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.558051][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.563682][ C0] apic_timer_interrupt+0xf/0x20 [ 170.568608][ C0] [ 170.571540][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 170.577684][ C0] Code: 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 170.597801][ C0] RSP: 0018:ffffc90001ea6dc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.606299][ C0] RAX: ffffffff81487326 RBX: ffffea00029b81c0 RCX: ffff88809f8bc000 [ 170.614346][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00029b81c0 [ 170.622399][ C0] RBP: ffffc90001ea6df0 R08: 000000000003a768 R09: ffffed10150c867f [ 170.630578][ C0] R10: ffffed10150c867f R11: 0000000000000000 R12: ffff8880a38de520 [ 170.638719][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a86433e8 [ 170.646978][ C0] ? mod_memcg_page_state+0x16/0x190 [ 170.652263][ C0] ? free_thread_stack+0x124/0x590 [ 170.658058][ C0] ? mod_memcg_page_state+0x16/0x190 [ 170.663340][ C0] free_thread_stack+0x168/0x590 [ 170.668288][ C0] put_task_stack+0xa3/0x130 [ 170.672884][ C0] finish_task_switch+0x3f1/0x550 [ 170.677945][ C0] __schedule+0x9a8/0xcc0 [ 170.682373][ C0] ? ___preempt_schedule+0x16/0x18 [ 170.687660][ C0] preempt_schedule+0xdb/0x120 [ 170.692436][ C0] ? __dev_mc_add+0x42a/0x540 [ 170.697298][ C0] ___preempt_schedule+0x16/0x18 [ 170.702352][ C0] ? mark_lock+0x107/0x1650 [ 170.706961][ C0] __local_bh_enable_ip+0x17d/0x240 [ 170.712331][ C0] ? __dev_mc_add+0x42a/0x540 [ 170.717087][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 170.722053][ C0] __dev_mc_add+0x42a/0x540 [ 170.726656][ C0] dev_mc_add+0x1f/0x30 [ 170.732121][ C0] igmp_group_added+0x15c/0x830 [ 170.736964][ C0] ? igmpv3_del_delrec+0x687/0x760 [ 170.742174][ C0] ____ip_mc_inc_group+0x943/0xb50 [ 170.747376][ C0] ip_mc_up+0x11c/0x2e0 [ 170.751548][ C0] inetdev_event+0xe25/0x1350 [ 170.756214][ C0] ? netdev_upper_walk+0x1a0/0x1a0 [ 170.761312][ C0] ? enum_all_gids_of_dev_cb+0x2d0/0x2d0 [ 170.766996][ C0] raw_notifier_call_chain+0xec/0x190 [ 170.772376][ C0] __dev_notify_flags+0x24d/0x4d0 [ 170.777407][ C0] dev_change_flags+0xec/0x190 [ 170.782167][ C0] do_setlink+0xb2e/0x3960 [ 170.786599][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 170.792151][ C0] ? __kasan_check_read+0x11/0x20 [ 170.797356][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 170.802023][ C0] ? rtnl_newlink+0x371/0x1bd0 [ 170.806835][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 170.812201][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 170.817301][ C0] ? rcu_lock_release+0x9/0x30 [ 170.822155][ C0] ? rtnl_setlink+0x490/0x490 [ 170.826918][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 170.832479][ C0] ? rcu_lock_release+0x9/0x30 [ 170.837969][ C0] ? rcu_lock_release+0x9/0x30 [ 170.843557][ C0] ? rcu_lock_release+0x9/0x30 [ 170.848767][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 170.853560][ C0] ? rtnetlink_bind+0x80/0x80 [ 170.858513][ C0] rtnetlink_rcv+0x1c/0x20 [ 170.863254][ C0] netlink_unicast+0x767/0x920 [ 170.868051][ C0] netlink_sendmsg+0xa21/0xd40 [ 170.872939][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 170.878238][ C0] __sys_sendto+0x442/0x5e0 [ 170.883982][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 170.890289][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 170.896000][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.901556][ C0] __x64_sys_sendto+0xe5/0x100 [ 170.906316][ C0] do_syscall_64+0xf7/0x1c0 [ 170.910990][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.917073][ C0] RIP: 0033:0x414373 [ 170.921046][ C0] 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 [ 170.940639][ C0] RSP: 002b:00007ffc5e920758 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 170.949131][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 170.957266][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 170.965314][ C0] RBP: 0000000000000000 R08: 00007ffc5e920760 R09: 000000000000000c [ 170.973289][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 170.981264][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003