[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.052005][ T23] audit: type=1800 audit(1578479908.320:25): pid=8233 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.081780][ T23] audit: type=1800 audit(1578479908.320:26): pid=8233 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.134405][ T23] audit: type=1800 audit(1578479908.320:27): pid=8233 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 '10.128.0.27' (ECDSA) to the list of known hosts. 2020/01/08 10:38:39 fuzzer started 2020/01/08 10:38:41 dialing manager at 10.128.0.26:35703 2020/01/08 10:38:41 syscalls: 2824 2020/01/08 10:38:41 code coverage: enabled 2020/01/08 10:38:41 comparison tracing: enabled 2020/01/08 10:38:41 extra coverage: enabled 2020/01/08 10:38:41 setuid sandbox: enabled 2020/01/08 10:38:41 namespace sandbox: enabled 2020/01/08 10:38:41 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:38:41 fault injection: enabled 2020/01/08 10:38:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:38:41 net packet injection: enabled 2020/01/08 10:38:41 net device setup: enabled 2020/01/08 10:38:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:38:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:38:42 executing program 0: r0 = syz_open_dev$usbfs(&(0x7f0000000840)='/dev/bus/usb/00#/00#\x00', 0x40000000909, 0x1) ioctl$USBDEVFS_SUBMITURB(r0, 0x8038550a, &(0x7f00000001c0)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x2}, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 10:38:42 executing program 1: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) openat$vhci(0xffffffffffffff9c, &(0x7f0000000300)='/dev/vhci\x00', 0x200000040006) r1 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000740)=ANY=[@ANYBLOB="ffc0"], 0x2) sendfile(r0, r1, &(0x7f0000d83ff8), 0x2) syzkaller login: [ 60.060517][ T8399] IPVS: ftp: loaded support on port[0] = 21 [ 60.146465][ T8401] IPVS: ftp: loaded support on port[0] = 21 [ 60.246614][ T8399] chnl_net:caif_netlink_parms(): no params data found 10:38:42 executing program 2: r0 = openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000100)='/dev/video36\x00', 0x2, 0x0) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f00000002c0)={0x0, 0x6, 0x4, {0x2, @pix_mp}}) [ 60.288297][ T8399] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.295973][ T8399] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.304139][ T8399] device bridge_slave_0 entered promiscuous mode [ 60.319273][ T8399] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.326543][ T8399] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.334663][ T8399] device bridge_slave_1 entered promiscuous mode [ 60.375573][ T8399] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.389861][ T8399] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.400686][ T8401] chnl_net:caif_netlink_parms(): no params data found [ 60.470117][ T8399] team0: Port device team_slave_0 added [ 60.483820][ T8399] team0: Port device team_slave_1 added [ 60.508890][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.531802][ T8401] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.539378][ T8401] device bridge_slave_0 entered promiscuous mode [ 60.559007][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.568307][ T8401] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.577326][ T8401] device bridge_slave_1 entered promiscuous mode [ 60.590622][ T8406] IPVS: ftp: loaded support on port[0] = 21 10:38:42 executing program 3: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000300)={'syz', 0x0}, &(0x7f00000002c0)="f5", 0x1, 0xfffffffffffffffe) keyctl$update(0x2, r0, &(0x7f0000000480)="007c04f5a46b6828d7f8d57a3b2361c1082d58d61f87fb2c8ae1fb2c10ce9eb8d5dd15e46853af77a8a683397cb3977720b80dbe6dd80b632cc0264e0b6dbd227de6998a40d182c5b3a38e3ab17f6ea8a8c6f199553246f875d96f773709dd4307262012c9980b2a6249286ae6dd2f4b564feb45158b319c34ff", 0x7a) r1 = add_key$user(&(0x7f00000003c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd) keyctl$dh_compute(0xee442ca800000017, &(0x7f0000000000)={r0, r1, r0}, &(0x7f00000000c0)=""/83, 0xffffffffffffffc9, 0x0) [ 60.654423][ T8399] device hsr_slave_0 entered promiscuous mode [ 60.702040][ T8399] device hsr_slave_1 entered promiscuous mode [ 60.773650][ T8401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.793765][ T8401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:38:43 executing program 4: r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000000)='/dev/adsp1\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_GETISPACE(r0, 0x8010500d, 0x0) [ 60.864740][ T8401] team0: Port device team_slave_0 added [ 60.880307][ T8408] IPVS: ftp: loaded support on port[0] = 21 [ 60.882838][ T8401] team0: Port device team_slave_1 added [ 60.985747][ T8401] device hsr_slave_0 entered promiscuous mode [ 61.042212][ T8401] device hsr_slave_1 entered promiscuous mode [ 61.083523][ T8401] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.091301][ T8401] Cannot create hsr debugfs directory 10:38:43 executing program 5: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000780)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000740)={r0, 0x0, 0x1c, 0xffffffffffffffc8, &(0x7f0000000640)="4d50b441e692763113ef8745ffa3960538bdef6e6245124e25d386dd", 0x0, 0x400}, 0x28) [ 61.144982][ T8410] IPVS: ftp: loaded support on port[0] = 21 [ 61.233737][ T8399] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.285871][ T8399] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.366190][ T8406] chnl_net:caif_netlink_parms(): no params data found [ 61.374997][ T8399] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.415394][ T8399] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.474941][ T8413] IPVS: ftp: loaded support on port[0] = 21 [ 61.571398][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 61.596486][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.605329][ T8406] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.613143][ T8406] device bridge_slave_0 entered promiscuous mode [ 61.623472][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.630526][ T8406] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.638597][ T8406] device bridge_slave_1 entered promiscuous mode [ 61.698332][ T8401] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.759002][ T8401] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.818078][ T8401] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.878788][ T8401] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.947654][ T8406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.960362][ T8406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.981312][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.989363][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.997253][ T8408] device bridge_slave_0 entered promiscuous mode [ 62.030387][ T8410] chnl_net:caif_netlink_parms(): no params data found [ 62.045640][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.052824][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.060608][ T8408] device bridge_slave_1 entered promiscuous mode [ 62.101176][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 62.113985][ T8406] team0: Port device team_slave_0 added [ 62.120973][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.134732][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.157123][ T8406] team0: Port device team_slave_1 added [ 62.170167][ T8399] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.198767][ T8410] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.206432][ T8410] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.214513][ T8410] device bridge_slave_0 entered promiscuous mode [ 62.223198][ T8410] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.230246][ T8410] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.239088][ T8410] device bridge_slave_1 entered promiscuous mode [ 62.262597][ T8408] team0: Port device team_slave_0 added [ 62.270837][ T8408] team0: Port device team_slave_1 added [ 62.293010][ T8410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.304809][ T8410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.374706][ T8408] device hsr_slave_0 entered promiscuous mode [ 62.432350][ T8408] device hsr_slave_1 entered promiscuous mode [ 62.471998][ T8408] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.479625][ T8408] Cannot create hsr debugfs directory [ 62.504459][ T8399] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.521423][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.529991][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.593489][ T8406] device hsr_slave_0 entered promiscuous mode [ 62.642493][ T8406] device hsr_slave_1 entered promiscuous mode [ 62.681925][ T8406] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.689509][ T8406] Cannot create hsr debugfs directory [ 62.701995][ T8410] team0: Port device team_slave_0 added [ 62.709573][ T8410] team0: Port device team_slave_1 added [ 62.717518][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.724697][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.732818][ T8413] device bridge_slave_0 entered promiscuous mode [ 62.763872][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.771022][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.780201][ T8413] device bridge_slave_1 entered promiscuous mode [ 62.809143][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.826766][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.836814][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.845267][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.852445][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.861250][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.883605][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.895808][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.904462][ T2916] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.911498][ T2916] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.920729][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.974777][ T8410] device hsr_slave_0 entered promiscuous mode [ 63.042059][ T8410] device hsr_slave_1 entered promiscuous mode [ 63.081804][ T8410] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.089385][ T8410] Cannot create hsr debugfs directory [ 63.177233][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.187120][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.202261][ T8413] team0: Port device team_slave_0 added [ 63.209648][ T8413] team0: Port device team_slave_1 added [ 63.246661][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.255800][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.287925][ T8401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.302487][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.310402][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.319618][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.328345][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.336823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.345774][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.354395][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.403487][ T8413] device hsr_slave_0 entered promiscuous mode [ 63.492131][ T8413] device hsr_slave_1 entered promiscuous mode [ 63.532146][ T8413] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.539777][ T8413] Cannot create hsr debugfs directory [ 63.545377][ T8410] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.583779][ T8410] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.636596][ T8399] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.669961][ T8410] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.723550][ T8410] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.774017][ T8399] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.784911][ T8406] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.815726][ T8406] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.873828][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.881305][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.889179][ T8406] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.926647][ T8406] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.015754][ T8401] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.027712][ T8408] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.063392][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.071094][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.079255][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.088111][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.096730][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.103833][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.113463][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.132707][ T8408] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.174432][ T8408] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.220061][ T8408] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.286930][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.296607][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.305981][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.315024][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.323829][ T2949] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.330869][ T2949] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.338586][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.387150][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.402610][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.411019][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.420866][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.429524][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.437819][ T2908] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.452334][ T8401] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.462965][ T8401] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.489460][ T8413] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.544091][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.552825][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.561170][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.569641][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.577976][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.586301][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.595717][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.603460][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.611035][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.624499][ T8399] device veth0_vlan entered promiscuous mode [ 64.636241][ T8413] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.693952][ T8413] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.756562][ T8413] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.796960][ T8399] device veth1_vlan entered promiscuous mode [ 64.811234][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.819657][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.837518][ T8401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.864217][ T8410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.903053][ T8406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.920246][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.929751][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.954889][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.963049][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.975344][ T8410] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.990494][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.021041][ T8406] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.048797][ T8401] device veth0_vlan entered promiscuous mode [ 65.096718][ T8413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.115355][ T8413] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.153608][ T8413] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.164118][ T8413] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.207563][ T8413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.081631][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.088517][ C0] rcu: 0-...!: (1 GPs behind) idle=6c6/1/0x4000000000000002 softirq=12128/12129 fqs=7 [ 170.098504][ C0] (t=10501 jiffies g=6501 q=518) [ 170.103544][ C0] rcu: rcu_preempt kthread starved for 10488 jiffies! g6501 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.114633][ C0] rcu: RCU grace-period kthread stack dump: [ 170.120513][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.128411][ C0] Call Trace: [ 170.131713][ C0] __schedule+0x9a0/0xcc0 [ 170.136046][ C0] schedule+0x181/0x210 [ 170.140198][ C0] schedule_timeout+0x14f/0x240 [ 170.145044][ C0] ? run_local_timers+0x120/0x120 [ 170.150069][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.154838][ C0] kthread+0x332/0x350 [ 170.158917][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.164036][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.168626][ C0] ret_from_fork+0x24/0x30 [ 170.173063][ C0] NMI backtrace for cpu 0 [ 170.177397][ C0] CPU: 0 PID: 8418 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 170.185981][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.196045][ C0] Call Trace: [ 170.199326][ C0] [ 170.202175][ C0] dump_stack+0x1fb/0x318 [ 170.206500][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.211358][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.217508][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.223567][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.229545][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.235603][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.240713][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.245906][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.250922][ C0] update_process_times+0x12d/0x180 [ 170.256129][ C0] tick_sched_timer+0x263/0x420 [ 170.260983][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.266524][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.271729][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.276676][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.281962][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.287529][ C0] apic_timer_interrupt+0xf/0x20 [ 170.292458][ C0] [ 170.295391][ C0] RIP: 0010:__memcg_kmem_uncharge+0x12f/0x1a0 [ 170.301542][ C0] Code: 5f 7c 48 89 d8 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 [ 170.321147][ C0] RSP: 0018:ffffc90002077850 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 [ 170.329554][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 170.337516][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023a6200 [ 170.345476][ C0] RBP: ffffc90002077878 R08: 000000000003a728 R09: fffffbfff124248a [ 170.353442][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea00023a6200 [ 170.361406][ C0] R13: 1ffffd4000474c47 R14: ffffea00023a6238 R15: 0000000000000000 [ 170.369400][ C0] free_thread_stack+0x12e/0x590 [ 170.374339][ C0] put_task_stack+0xa3/0x130 [ 170.378924][ C0] finish_task_switch+0x3f1/0x550 [ 170.383948][ C0] __schedule+0x9a8/0xcc0 [ 170.388277][ C0] ? ___preempt_schedule+0x16/0x18 [ 170.393376][ C0] preempt_schedule+0xdb/0x120 [ 170.398141][ C0] ___preempt_schedule+0x16/0x18 [ 170.403079][ C0] ? page_poisoning_enabled+0x1c/0x30 [ 170.408455][ C0] prep_new_page+0x161/0x2e0 [ 170.413046][ C0] get_page_from_freelist+0x850/0xaa0 [ 170.418430][ C0] __alloc_pages_nodemask+0x264/0x5d0 [ 170.423803][ C0] alloc_pages_vma+0x94a/0xd50 [ 170.428585][ C0] do_huge_pmd_anonymous_page+0x883/0xe50 [ 170.434319][ C0] handle_mm_fault+0x2017/0x2890 [ 170.439277][ C0] do_user_addr_fault+0x589/0xaf0 [ 170.444303][ C0] __do_page_fault+0xd3/0x1f0 [ 170.448974][ C0] do_page_fault+0x99/0xb0 [ 170.453390][ C0] page_fault+0x39/0x40 [ 170.457538][ C0] RIP: 0033:0x442191 [ 170.461438][ C0] Code: 8d 15 33 e4 0a 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6 [ 170.481034][ C0] RSP: 002b:00007ffeb755d8f8 EFLAGS: 00010202 [ 170.487090][ C0] RAX: 0000000020000840 RBX: 0000000000000000 RCX: 000000000000002f [ 170.495053][ C0] RDX: 0000000000000015 RSI: 0000000000760020 RDI: 0000000020000840 [ 170.503018][ C0] RBP: 0000000000760000 R08: 0000000000000000 R09: 0000000000000004 [ 170.510982][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000001 [ 170.518947][ C0] R13: 00007ffeb755dae0 R14: 0000000000760008 R15: 00007ffeb755daf0