[ 42.188070][ T23] audit: type=1800 audit(1575349754.870:27): pid=7903 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.217640][ T23] audit: type=1800 audit(1575349754.870:28): pid=7903 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. [ 42.839555][ T23] audit: type=1800 audit(1575349755.610:29): pid=7903 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.859210][ T23] audit: type=1800 audit(1575349755.610:30): pid=7903 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 '10.128.0.84' (ECDSA) to the list of known hosts. 2019/12/03 05:09:24 fuzzer started 2019/12/03 05:09:26 dialing manager at 10.128.0.26:38907 2019/12/03 05:09:26 syscalls: 2697 2019/12/03 05:09:26 code coverage: enabled 2019/12/03 05:09:26 comparison tracing: enabled 2019/12/03 05:09:26 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:09:26 setuid sandbox: enabled 2019/12/03 05:09:26 namespace sandbox: enabled 2019/12/03 05:09:26 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:09:26 fault injection: enabled 2019/12/03 05:09:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:09:26 net packet injection: enabled 2019/12/03 05:09:26 net device setup: enabled 2019/12/03 05:09:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:09:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:09:27 executing program 0: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r3, &(0x7f0000001500)={0x0, 0x0, &(0x7f00000014c0)={&(0x7f0000000180)={0x18, 0x35, 0x1, 0x0, 0x0, {0x1}, [@nested={0x4}]}, 0x18}}, 0x0) 05:09:27 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = syz_open_dev$sndseq(&(0x7f0000000700)='/dev/snd/seq\x00', 0x0, 0x1) ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000040)="8de748a427cf13") r2 = socket$rds(0x15, 0x5, 0x0) r3 = dup2(r1, r2) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r3, 0xc08c5332, &(0x7f0000000140)={0x0, 0x0, 0x0, 'queue1\x00\x00\x00\x00\x00\x00\x00\x001;\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x06\x00\x00\x00\x00\x00\xcc\xbf}\xdd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xb2\x1e\x00'}) write$sndseq(r3, &(0x7f0000000000)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @connect}], 0x72c6831c) syzkaller login: [ 54.666368][ T8066] IPVS: ftp: loaded support on port[0] = 21 [ 54.762190][ T8068] IPVS: ftp: loaded support on port[0] = 21 05:09:27 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet6_int(r2, 0x29, 0x4b, &(0x7f0000b67000), &(0x7f0000000000)=0xffffffffffffffc9) [ 54.927790][ T8068] chnl_net:caif_netlink_parms(): no params data found [ 54.953549][ T8066] chnl_net:caif_netlink_parms(): no params data found 05:09:27 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x4000, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xe}, 0x10400}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) ioctl$KDGKBDIACR(0xffffffffffffffff, 0x4b4a, &(0x7f00000002c0)=""/151) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x1001000004e23, 0x0, @loopback}, 0x1c) listen(r0, 0x4) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(0xffffffffffffffff, 0x400448cb, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, 0x0, 0x0) ioctl$sock_inet6_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f0000000400)={@ipv4={[], [], @loopback}, @rand_addr="83ea23e566fe13689e055526c8ac205b", @mcast1, 0x0, 0x400, 0x0, 0x0, 0x70e1, 0x59408103d656e19e}) sched_setattr(0x0, &(0x7f0000000100)={0x30, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffa, 0xffffffffffffffff, 0x4}, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) r2 = accept(r0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) ioctl$sock_SIOCGIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8982, &(0x7f0000000380)={0x0, 'dummy0\x00', {0x2}}) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000180)='vcan0\x00', 0x10) sendto$packet(r2, &(0x7f0000000040)='u', 0x1, 0x0, 0x0, 0x0) [ 55.024449][ T8068] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.048944][ T8068] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.056950][ T8068] device bridge_slave_0 entered promiscuous mode [ 55.100308][ T8066] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.108013][ T8066] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.124799][ T8066] device bridge_slave_0 entered promiscuous mode [ 55.140022][ T8068] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.147112][ T8068] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.158551][ T8068] device bridge_slave_1 entered promiscuous mode [ 55.166024][ T8066] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.173557][ T8066] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.181541][ T8066] device bridge_slave_1 entered promiscuous mode [ 55.196382][ T8073] IPVS: ftp: loaded support on port[0] = 21 [ 55.226479][ T8068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.243123][ T8066] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.261823][ T8068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.272771][ T8066] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.332427][ T8068] team0: Port device team_slave_0 added [ 55.343785][ T8066] team0: Port device team_slave_0 added [ 55.356162][ T8074] IPVS: ftp: loaded support on port[0] = 21 [ 55.366809][ T8068] team0: Port device team_slave_1 added [ 55.375079][ T8066] team0: Port device team_slave_1 added 05:09:28 executing program 4: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40032, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000100), 0xc) [ 55.481530][ T8066] device hsr_slave_0 entered promiscuous mode [ 55.509977][ T8066] device hsr_slave_1 entered promiscuous mode 05:09:28 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00000000c0)='\t', 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f0000000300)='7', 0x1, 0x0, &(0x7f00000001c0)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) [ 55.672062][ T8068] device hsr_slave_0 entered promiscuous mode [ 55.700433][ T8068] device hsr_slave_1 entered promiscuous mode [ 55.758934][ T8068] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.787951][ T8077] IPVS: ftp: loaded support on port[0] = 21 [ 55.788266][ T8079] IPVS: ftp: loaded support on port[0] = 21 [ 55.813570][ T8066] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.881068][ T8066] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.931965][ T8073] chnl_net:caif_netlink_parms(): no params data found [ 55.969899][ T8066] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.021069][ T8066] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.160242][ T8068] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.202466][ T8068] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.252622][ T8068] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.337303][ T8068] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.376699][ T8073] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.385290][ T8073] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.393076][ T8073] device bridge_slave_0 entered promiscuous mode [ 56.400516][ T8074] chnl_net:caif_netlink_parms(): no params data found [ 56.430415][ T8073] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.437595][ T8073] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.446530][ T8073] device bridge_slave_1 entered promiscuous mode [ 56.505881][ T8074] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.513660][ T8074] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.523350][ T8074] device bridge_slave_0 entered promiscuous mode [ 56.534487][ T8074] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.541770][ T8074] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.549546][ T8074] device bridge_slave_1 entered promiscuous mode [ 56.564618][ T8077] chnl_net:caif_netlink_parms(): no params data found [ 56.591244][ T8073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.607621][ T8073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.641830][ T8074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.675354][ T8074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.698303][ T8079] chnl_net:caif_netlink_parms(): no params data found [ 56.715563][ T8073] team0: Port device team_slave_0 added [ 56.735349][ T8077] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.744464][ T8077] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.752376][ T8077] device bridge_slave_0 entered promiscuous mode [ 56.767074][ T8077] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.774616][ T8077] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.782550][ T8077] device bridge_slave_1 entered promiscuous mode [ 56.790427][ T8073] team0: Port device team_slave_1 added [ 56.797668][ T8074] team0: Port device team_slave_0 added [ 56.831951][ T8074] team0: Port device team_slave_1 added [ 56.847434][ T8066] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.901698][ T8073] device hsr_slave_0 entered promiscuous mode [ 56.949202][ T8073] device hsr_slave_1 entered promiscuous mode [ 56.988902][ T8073] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.997806][ T8077] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.017481][ T8079] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.024719][ T8079] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.033058][ T8079] device bridge_slave_0 entered promiscuous mode [ 57.049948][ T8066] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.060802][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.069190][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.078200][ T8077] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.120547][ T8074] device hsr_slave_0 entered promiscuous mode [ 57.179959][ T8074] device hsr_slave_1 entered promiscuous mode [ 57.218966][ T8074] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.226848][ T8079] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.234151][ T8079] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.244704][ T8079] device bridge_slave_1 entered promiscuous mode [ 57.265797][ T8068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.307261][ T8079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.318214][ T8079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.335924][ T8074] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.374184][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.383152][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.392407][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.399619][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.407997][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.432906][ T8079] team0: Port device team_slave_0 added [ 57.441032][ T8079] team0: Port device team_slave_1 added [ 57.449695][ T8068] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.458029][ T8077] team0: Port device team_slave_0 added [ 57.464047][ T8074] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.504754][ T8074] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.584567][ T8074] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.652493][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.660376][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.667922][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.676772][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.685159][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.692347][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.701282][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.718004][ T8077] team0: Port device team_slave_1 added [ 57.742267][ T8080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.751158][ T8080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.760050][ T8080] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.767097][ T8080] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.821082][ T8079] device hsr_slave_0 entered promiscuous mode [ 57.849347][ T8079] device hsr_slave_1 entered promiscuous mode [ 57.888985][ T8079] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.896585][ T8073] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.941593][ T8073] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.001740][ T8066] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.012395][ T8066] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.024074][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.032261][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.041093][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.049736][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.058054][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.066939][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.075302][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.083493][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.092341][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.100946][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.109147][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.117572][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.126099][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.133179][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.140783][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.149457][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.158438][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.166227][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.178607][ T8073] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.231471][ T8073] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.292581][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.301873][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.311378][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.319993][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.328205][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.336684][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.344902][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.353122][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.377821][ T8068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.431894][ T8077] device hsr_slave_0 entered promiscuous mode [ 58.489901][ T8077] device hsr_slave_1 entered promiscuous mode [ 58.538896][ T8077] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.549585][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.557354][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.565201][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.583882][ T8066] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.617965][ T8079] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.660798][ T8079] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.716378][ T8079] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.754965][ T8079] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.806176][ T8068] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.836133][ T8080] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 163.848760][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.855613][ C1] rcu: 1-...!: (10499 ticks this GP) idle=13a/1/0x4000000000000002 softirq=10997/11001 fqs=41 [ 163.866159][ C1] (t=10501 jiffies g=6125 q=94) [ 163.871087][ C1] rcu: rcu_preempt kthread starved for 10419 jiffies! g6125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.882171][ C1] rcu: RCU grace-period kthread stack dump: [ 163.888045][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.895935][ C1] Call Trace: [ 163.899220][ C1] __schedule+0x9a0/0xcc0 [ 163.903545][ C1] schedule+0x181/0x210 [ 163.907685][ C1] schedule_timeout+0x14f/0x240 [ 163.912519][ C1] ? run_local_timers+0x120/0x120 [ 163.917529][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.922285][ C1] kthread+0x332/0x350 [ 163.926335][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.931468][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.936055][ C1] ret_from_fork+0x24/0x30 [ 163.940471][ C1] NMI backtrace for cpu 1 [ 163.944786][ C1] CPU: 1 PID: 8080 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 163.952742][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.962804][ C1] Workqueue: events linkwatch_event [ 163.967982][ C1] Call Trace: [ 163.971247][ C1] [ 163.974084][ C1] dump_stack+0x1fb/0x318 [ 163.978509][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.983347][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.989486][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.995548][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.001514][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.007389][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.012488][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.017691][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.022702][ C1] update_process_times+0x12d/0x180 [ 164.027892][ C1] tick_sched_timer+0x263/0x420 [ 164.032730][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.038280][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.043476][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.048415][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.053688][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.059221][ C1] apic_timer_interrupt+0xf/0x20 [ 164.064142][ C1] [ 164.067070][ C1] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 164.073149][ C1] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 164.092747][ C1] RSP: 0018:ffffc900024976d0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 164.101140][ C1] RAX: 0000000000000001 RBX: ffffea0002363b40 RCX: 0000000000000000 [ 164.109109][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002363b40 [ 164.117062][ C1] RBP: ffffc900024976f0 R08: 000000000003a768 R09: fffffbfff120248a [ 164.125019][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002363b40 [ 164.132972][ C1] R13: 1ffffd400046c76f R14: ffffea0002363b78 R15: 0000000000000000 [ 164.140949][ C1] free_thread_stack+0x12e/0x590 [ 164.145875][ C1] put_task_stack+0xa3/0x130 [ 164.150448][ C1] finish_task_switch+0x3f1/0x550 [ 164.155462][ C1] __schedule+0x9a8/0xcc0 [ 164.159785][ C1] ? ___preempt_schedule+0x16/0x18 [ 164.164878][ C1] preempt_schedule+0xdb/0x120 [ 164.169626][ C1] ___preempt_schedule+0x16/0x18 [ 164.174549][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 164.179207][ C1] ? vprintk_emit+0x368/0x3a0 [ 164.183871][ C1] vprintk_emit+0x36d/0x3a0 [ 164.188361][ C1] vprintk_default+0x28/0x30 [ 164.192936][ C1] vprintk_func+0x158/0x170 [ 164.197425][ C1] printk+0x62/0x8d [ 164.201239][ C1] ? addrconf_notify+0xb6b/0x3c90 [ 164.206242][ C1] ? addrconf_notify+0x779/0x3c90 [ 164.211255][ C1] addrconf_notify+0x2c8d/0x3c90 [ 164.216180][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 164.221449][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 164.226817][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.232433][ C1] ? trace_hardirqs_on+0x74/0x80 [ 164.237354][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 164.242715][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.248241][ C1] ? tls_dev_event+0x619/0xc00 [ 164.252989][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.258519][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 164.263708][ C1] raw_notifier_call_chain+0xec/0x190 [ 164.269077][ C1] netdev_state_change+0x147/0x1f0 [ 164.274178][ C1] linkwatch_do_dev+0x10e/0x160 [ 164.279015][ C1] __linkwatch_run_queue+0x446/0x730 [ 164.284290][ C1] linkwatch_event+0x4c/0x60 [ 164.288867][ C1] process_one_work+0x7ef/0x10d0 [ 164.293840][ C1] worker_thread+0xc01/0x1630 [ 164.298521][ C1] kthread+0x332/0x350 [ 164.302571][ C1] ? rcu_lock_release+0x30/0x30 [ 164.307409][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.311983][ C1] ret_from_fork+0x24/0x30