[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.899173][ T27] audit: type=1800 audit(1578485409.329:25): pid=8403 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.918101][ T27] audit: type=1800 audit(1578485409.329:26): pid=8403 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.940479][ T27] audit: type=1800 audit(1578485409.329:27): pid=8403 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. 2020/01/08 12:10:20 fuzzer started 2020/01/08 12:10:22 dialing manager at 10.128.0.26:35703 2020/01/08 12:10:22 syscalls: 2824 2020/01/08 12:10:22 code coverage: enabled 2020/01/08 12:10:22 comparison tracing: enabled 2020/01/08 12:10:22 extra coverage: enabled 2020/01/08 12:10:22 setuid sandbox: enabled 2020/01/08 12:10:22 namespace sandbox: enabled 2020/01/08 12:10:22 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:10:22 fault injection: enabled 2020/01/08 12:10:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:10:22 net packet injection: enabled 2020/01/08 12:10:22 net device setup: enabled 2020/01/08 12:10:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:10:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:10:23 executing program 0: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0xeb, 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, 0xffffffffffffffff, 0x0) request_key(&(0x7f0000000040)='trusted\x00', &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff) write$FUSE_OPEN(0xffffffffffffffff, 0x0, 0x0) 12:10:23 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000180)={0x26, 'hash\x00', 0x0, 0x0, 'tgr160\x00'}, 0x58) socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r4, &(0x7f0000006dc0)=[{0x1000000f0ffffff, 0xffffff7f00000000, &(0x7f0000000080)=[{&(0x7f0000000140), 0xfec0}], 0x1}], 0x492492492492670, 0x0) syzkaller login: [ 65.088978][ T8568] IPVS: ftp: loaded support on port[0] = 21 12:10:23 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000000)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000200)=0x2) r2 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r3) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0x7) [ 65.279018][ T8570] IPVS: ftp: loaded support on port[0] = 21 [ 65.293578][ T8568] chnl_net:caif_netlink_parms(): no params data found [ 65.412565][ T8568] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.435136][ T8568] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.443162][ T8568] device bridge_slave_0 entered promiscuous mode [ 65.467936][ T8568] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.485117][ T8568] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.496578][ T8568] device bridge_slave_1 entered promiscuous mode 12:10:24 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0xd, 0x4, &(0x7f0000346fc8)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x6, 0x2, 0x1, 0x94}]}, &(0x7f0000000040)='GPL\x00', 0x1, 0xfb, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 65.537301][ T8568] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.550183][ T8568] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.568836][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 65.649745][ T8568] team0: Port device team_slave_0 added [ 65.668426][ T8568] team0: Port device team_slave_1 added [ 65.750187][ T8570] chnl_net:caif_netlink_parms(): no params data found [ 65.786825][ T8568] device hsr_slave_0 entered promiscuous mode 12:10:24 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x3, [@ptr={0x2}]}, {0x0, [0x0]}}, &(0x7f00000000c0)=""/254, 0x27, 0xfe, 0x8}, 0x20) [ 65.825400][ T8568] device hsr_slave_1 entered promiscuous mode [ 65.899444][ T8576] IPVS: ftp: loaded support on port[0] = 21 [ 66.012784][ T8570] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.025982][ T8570] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.043506][ T8570] device bridge_slave_0 entered promiscuous mode [ 66.052972][ T8570] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.060657][ T8570] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.068931][ T8570] device bridge_slave_1 entered promiscuous mode [ 66.138510][ T8570] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 12:10:24 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r1, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e20, @multicast1}, 0x10) setsockopt$sock_int(r2, 0x1, 0x3c, &(0x7f0000000100)=0x1, 0xfe00) connect$inet(r2, &(0x7f0000000000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x18}}, 0x10) sendmmsg$inet(r2, &(0x7f0000001fc0)=[{{0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000280)="e1", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000002c00)="df", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000001080)=[{&(0x7f0000000c00)="3dd104d357524ab2d9a9b52af5ebe75c13d284d4def12e3f2b8af9f2bdaaacdd25a88256f9abb7cfec423cdfe41ac3a1457c6eb7d82b97f5546c21fe8e33b722a29f733eb42dbbb573a9ff5278b1a7525cf0bf61412f0d0c6635b1e35ddd937ced06446ba32f72e009f6f32cf978705c556a7006e06683d1ac54ec106e102ed79f5dfd5c6e9a9d45894963a3ad6ecc470f1b25ffe292ccce48123672bcdc58bb21c95b9bef2f1fae66b082519b664c0e003b3020bf08", 0xb6}, {&(0x7f0000000cc0)="ef220adc4ef05aea4568e501c789900b4afe66e31879e0afea6ffc4e5dc5650a2fe7150a63ed472301caea208330e0fa8d27498e0784cc65322abf7d10ae1eccc94c5c04eb5e73560a0c7518f7eda95969a159f3b6662eda1686844b1e57e9c5618a7b4635c932dc739b68", 0x15b}, {&(0x7f0000000d40)="6c8fedd667496602c953b661d0c7d81440a8bf37972ae032969198d3b4ee9d435f739b6854aaa03d63ca863dd5fe9341b0452a0abd3e965fa0", 0x39}, {&(0x7f0000000d80)="a55521b2ccd5403f1f442f4dc0c573fec47c0c0abe0a4c96e6c515766769d23710957dd69cd664d4282a0233b7ae31c8bd8f395e70da8b155f3956909ddf6ff3000000000000", 0x4a}, {&(0x7f00000000c0)="5d877edced4500000000000018000000000de598c7d251a6b30dffb0f76ced24b3e04a24173ca76fd8", 0x1}, {&(0x7f0000000f80)='V', 0x1}, {&(0x7f0000001000)="81", 0x1}], 0x7}}, {{0x0, 0x0, &(0x7f0000001480), 0x3}}, {{0x0, 0x427, &(0x7f00000016c0), 0x23e}}, {{0x0, 0x0, &(0x7f0000001f40)=[{&(0x7f00000019c0)='#', 0x1}, {&(0x7f0000001b00)="93", 0x1}, {&(0x7f0000001c00)='_', 0x1}, {&(0x7f0000001d00)="7f", 0x1}, {&(0x7f0000000140)='O', 0x1}, {&(0x7f0000001e80)='a', 0x1}], 0x6}}], 0x6, 0x4000000) [ 66.181401][ T8570] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.216545][ T8579] IPVS: ftp: loaded support on port[0] = 21 [ 66.226587][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 66.304286][ T8568] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.380516][ T8568] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.441413][ T8568] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.498548][ T8568] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.563676][ T8576] chnl_net:caif_netlink_parms(): no params data found [ 66.579904][ T8570] team0: Port device team_slave_0 added [ 66.589493][ T8570] team0: Port device team_slave_1 added [ 66.612851][ T8583] IPVS: ftp: loaded support on port[0] = 21 [ 66.668389][ T8570] device hsr_slave_0 entered promiscuous mode [ 66.705726][ T8570] device hsr_slave_1 entered promiscuous mode [ 66.745224][ T8570] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.753003][ T8570] Cannot create hsr debugfs directory [ 66.801118][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.809366][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.817729][ T8573] device bridge_slave_0 entered promiscuous mode [ 66.834293][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.841479][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.849249][ T8573] device bridge_slave_1 entered promiscuous mode [ 66.882687][ T8576] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.890968][ T8576] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.898970][ T8576] device bridge_slave_0 entered promiscuous mode [ 66.910789][ T8576] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.918007][ T8576] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.926112][ T8576] device bridge_slave_1 entered promiscuous mode [ 66.953252][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.967979][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.985193][ T8576] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.002533][ T8573] team0: Port device team_slave_0 added [ 67.011166][ T8573] team0: Port device team_slave_1 added [ 67.052262][ T8576] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.077555][ T8576] team0: Port device team_slave_0 added [ 67.113639][ T8576] team0: Port device team_slave_1 added [ 67.197975][ T8573] device hsr_slave_0 entered promiscuous mode [ 67.235678][ T8573] device hsr_slave_1 entered promiscuous mode [ 67.275228][ T8573] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.282851][ T8573] Cannot create hsr debugfs directory [ 67.327847][ T8576] device hsr_slave_0 entered promiscuous mode [ 67.375485][ T8576] device hsr_slave_1 entered promiscuous mode [ 67.425211][ T8576] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.432824][ T8576] Cannot create hsr debugfs directory [ 67.449533][ T8579] chnl_net:caif_netlink_parms(): no params data found [ 67.490610][ T8568] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.530211][ T8570] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.588122][ T8570] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.638091][ T8570] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.758130][ T8570] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.822315][ T8568] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.832546][ T8579] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.839769][ T8579] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.847399][ T8579] device bridge_slave_0 entered promiscuous mode [ 67.863490][ T8579] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.871185][ T8579] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.878895][ T8579] device bridge_slave_1 entered promiscuous mode [ 67.886753][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.896366][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.910890][ T8583] chnl_net:caif_netlink_parms(): no params data found [ 67.932917][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.941797][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.950284][ T3106] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.957637][ T3106] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.966580][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.025746][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.034289][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.047964][ T3104] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.055216][ T3104] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.063479][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.072320][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.081282][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.089884][ T3104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.100238][ T8579] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.111103][ T8579] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.139019][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.147262][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.156380][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.164569][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.173521][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.231370][ T8576] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.279121][ T8573] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.326403][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.334734][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.344444][ T8583] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.352270][ T8583] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.360783][ T8583] device bridge_slave_0 entered promiscuous mode [ 68.370378][ T8579] team0: Port device team_slave_0 added [ 68.379172][ T8568] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.389631][ T8579] team0: Port device team_slave_1 added [ 68.396804][ T8576] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.447032][ T8573] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.487778][ T8583] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.494865][ T8583] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.503517][ T8583] device bridge_slave_1 entered promiscuous mode [ 68.519201][ T8576] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.567214][ T8573] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.623062][ T8583] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.637644][ T8576] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.668053][ T8573] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.718294][ T8583] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.743655][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.751184][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.798073][ T8579] device hsr_slave_0 entered promiscuous mode [ 68.835591][ T8579] device hsr_slave_1 entered promiscuous mode [ 68.885204][ T8579] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.892804][ T8579] Cannot create hsr debugfs directory [ 68.922272][ T8568] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.937494][ T8570] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.961171][ T8583] team0: Port device team_slave_0 added [ 68.977119][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.986503][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.000769][ T8583] team0: Port device team_slave_1 added [ 69.027610][ T8568] device veth0_vlan entered promiscuous mode [ 69.078384][ T8583] device hsr_slave_0 entered promiscuous mode [ 69.125474][ T8583] device hsr_slave_1 entered promiscuous mode [ 69.175256][ T8583] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.182856][ T8583] Cannot create hsr debugfs directory [ 69.190634][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.198860][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.206724][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.214739][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.227445][ T8570] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.251654][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.259672][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.282838][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.291833][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.301197][ T2982] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.308375][ T2982] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.316230][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.324713][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.333256][ T2982] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.340488][ T2982] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.349033][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.357721][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.372018][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.384527][ T8568] device veth1_vlan entered promiscuous mode [ 69.429651][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.438422][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.450372][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.459968][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.494183][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.505090][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.516588][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.524885][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.533670][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.557261][ T8570] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.569305][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.577425][ T8579] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.629394][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.637766][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.660895][ T8576] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.678820][ T8579] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.733193][ T8579] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.803955][ T8576] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.846032][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.853526][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.869091][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.879472][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.891441][ T8579] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 174.865033][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.871793][ C1] rcu: 1-...!: (1 GPs behind) idle=05a/1/0x4000000000000002 softirq=13830/13831 fqs=40 [ 174.881786][ C1] (t=10500 jiffies g=6873 q=105) [ 174.886801][ C1] rcu: rcu_preempt kthread starved for 10418 jiffies! g6873 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.897908][ C1] rcu: RCU grace-period kthread stack dump: [ 174.903797][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.911719][ C1] Call Trace: [ 174.915012][ C1] __schedule+0x9a0/0xcc0 [ 174.919367][ C1] schedule+0x181/0x210 [ 174.923535][ C1] schedule_timeout+0x14f/0x240 [ 174.928390][ C1] ? run_local_timers+0x120/0x120 [ 174.933411][ C1] rcu_gp_kthread+0xed8/0x1770 [ 174.938178][ C1] kthread+0x332/0x350 [ 174.942233][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 174.947332][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.951913][ C1] ret_from_fork+0x24/0x30 [ 174.956333][ C1] NMI backtrace for cpu 1 [ 174.960653][ C1] CPU: 1 PID: 8583 Comm: syz-executor.5 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.969221][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.979360][ C1] Call Trace: [ 174.982635][ C1] [ 174.985479][ C1] dump_stack+0x1fb/0x318 [ 174.989804][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.994660][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.000831][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.006908][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.012909][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.018788][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.023923][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.029116][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.034145][ C1] update_process_times+0x12d/0x180 [ 175.039338][ C1] tick_sched_timer+0x263/0x420 [ 175.044175][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.049723][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.054929][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.059874][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.065159][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.070693][ C1] apic_timer_interrupt+0xf/0x20 [ 175.075618][ C1] [ 175.078550][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 175.084691][ C1] Code: ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 175.104284][ C1] RSP: 0018:ffffc900024c72b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.112695][ C1] RAX: ffffffff81489244 RBX: ffffea00025a7f80 RCX: ffff88809f822240 [ 175.123879][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00025a7f80 [ 175.131844][ C1] RBP: ffffc900024c72f0 R08: 000000000003a728 R09: ffffed1015076aa1 [ 175.139806][ C1] R10: ffffed1015076aa1 R11: 0000000000000000 R12: ffff88809de973a0 [ 175.147776][ C1] R13: dffffc0000000000 R14: 1ffff11013bd2e74 R15: ffff8880a83b54f8 [ 175.155750][ C1] ? free_thread_stack+0x124/0x590 [ 175.160857][ C1] ? free_thread_stack+0x124/0x590 [ 175.165961][ C1] put_task_stack+0xa3/0x130 [ 175.170542][ C1] finish_task_switch+0x3f1/0x550 [ 175.175563][ C1] __schedule+0x9a8/0xcc0 [ 175.179893][ C1] ? ___preempt_schedule+0x16/0x18 [ 175.184990][ C1] preempt_schedule+0xdb/0x120 [ 175.189745][ C1] ___preempt_schedule+0x16/0x18 [ 175.194674][ C1] try_to_wake_up+0xe78/0x1050 [ 175.199441][ C1] ? do_raw_spin_unlock+0x142/0x950 [ 175.204645][ C1] wake_up_q+0x8c/0xe0 [ 175.208711][ C1] __mutex_unlock_slowpath+0x586/0x5b0 [ 175.214186][ C1] mutex_unlock+0xd/0x10 [ 175.218431][ C1] __rtnl_unlock+0x2c/0xa0 [ 175.222863][ C1] netdev_run_todo+0xe5/0xe10 [ 175.227679][ C1] rtnl_unlock+0xe/0x10 [ 175.231842][ C1] nsim_create+0x224/0x230 [ 175.236258][ C1] __nsim_dev_port_add+0x289/0x4d0 [ 175.241362][ C1] ? debugfs_create_file_unsafe+0x4a/0x60 [ 175.247092][ C1] ? nsim_bpf_dev_init+0x1eb/0x220 [ 175.252201][ C1] nsim_dev_probe+0xb55/0xef0 [ 175.256888][ C1] nsim_bus_probe+0x15/0x20 [ 175.261380][ C1] really_probe+0x71c/0xf40 [ 175.265881][ C1] driver_probe_device+0xfc/0x260 [ 175.270894][ C1] ? parse_option_str+0x1bf/0x200 [ 175.275909][ C1] __device_attach_driver+0x336/0x3f0 [ 175.281271][ C1] ? coredump_store+0x90/0x90 [ 175.285937][ C1] bus_for_each_drv+0x12b/0x180 [ 175.291912][ C1] __device_attach+0x1ea/0x390 [ 175.296671][ C1] device_initial_probe+0x1a/0x20 [ 175.301698][ C1] bus_probe_device+0xb9/0x1f0 [ 175.306456][ C1] device_add+0x1710/0x1ad0 [ 175.310980][ C1] device_register+0x1d/0x20 [ 175.315557][ C1] new_device_store+0x286/0x510 [ 175.320408][ C1] ? nsim_num_vf+0x50/0x50 [ 175.324821][ C1] bus_attr_store+0x78/0x90 [ 175.329315][ C1] ? bus_attr_show+0x90/0x90 [ 175.333924][ C1] sysfs_kf_write+0x281/0x2f0 [ 175.338622][ C1] ? sysfs_kf_read+0x370/0x370 [ 175.343402][ C1] kernfs_fop_write+0x3fd/0x500 [ 175.348259][ C1] ? kernfs_fop_read+0x580/0x580 [ 175.353222][ C1] __vfs_write+0xb8/0x740 [ 175.357557][ C1] ? rcu_read_lock_any_held+0x13d/0x1a0 [ 175.363098][ C1] ? __sb_start_write+0x382/0x430 [ 175.368120][ C1] vfs_write+0x275/0x590 [ 175.372362][ C1] ksys_write+0x117/0x220 [ 175.376687][ C1] __x64_sys_write+0x7b/0x90 [ 175.381267][ C1] do_syscall_64+0xf7/0x1c0 [ 175.385762][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.391641][ C1] RIP: 0033:0x414a00 [ 175.395551][ C1] Code: b0 89 c8 f7 d8 eb ed b8 6e 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 3d 6d 3a 66 00 00 75 14 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 c4 1b 00 00 c3 48 83 ec 08 e8 ca fc ff ff [ 175.415147][ C1] RSP: 002b:00007ffc8681e308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 175.423546][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414a00 [ 175.431506][ C1] RDX: 0000000000000003 RSI: 00007ffc8681e330 RDI: 0000000000000004 [ 175.441564][ C1] RBP: 00007ffc8681e330 R08: 0000000000000000 R09: 0000000000000003 [ 175.449524][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c05e5 [ 175.457486][ C1] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000