[ 46.864174][ T26] audit: type=1800 audit(1575384429.340:27): pid=8045 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 46.884774][ T26] audit: type=1800 audit(1575384429.340:28): pid=8045 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. [ 47.557131][ T26] audit: type=1800 audit(1575384430.090:29): pid=8045 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 47.576758][ T26] audit: type=1800 audit(1575384430.090:30): pid=8045 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 '10.128.0.61' (ECDSA) to the list of known hosts. 2019/12/03 14:47:20 fuzzer started 2019/12/03 14:47:22 dialing manager at 10.128.0.26:45711 2019/12/03 14:47:22 syscalls: 2689 2019/12/03 14:47:22 code coverage: enabled 2019/12/03 14:47:22 comparison tracing: enabled 2019/12/03 14:47:22 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:47:22 setuid sandbox: enabled 2019/12/03 14:47:22 namespace sandbox: enabled 2019/12/03 14:47:22 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:47:22 fault injection: enabled 2019/12/03 14:47:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:47:22 net packet injection: enabled 2019/12/03 14:47:22 net device setup: enabled 2019/12/03 14:47:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:47:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:47:23 executing program 0: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0x1c}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 14:47:23 executing program 1: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001440)=ANY=[@ANYBLOB="200000006800130800000000a90300000200000000000000080005000200000000000001f36b6744254ffe2e4173a157dcd8d2476d04795b93bfc6afb407dcb7d4380144abbbb4bc9481b435845656e6f859b78cc7d5ece9a6f60d9485b06f1ffb80abb4b5010000edd147fe757a3cc10ed9abb12edfa687bd902808a5605d1b73d76ea549e2012287087c9acc01ec20b742f700000000000000f6dc99133f0800007f302b0130919f3f4889eead5a8bb1be110c149cd634197c9ff810d6f56c338fe8f6f900f8a14c6f015aa5a0e80a088ea01a35d1379de0190f43ea540e", @ANYRES32=0x0], 0x20}}, 0x0) r0 = socket(0x10, 0x800000000080003, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x0, 0xd2efff7f00000000, &(0x7f0000000100), 0xa, &(0x7f0000000100)}], 0x492492492492805, 0x0) syzkaller login: [ 60.701816][ T8207] IPVS: ftp: loaded support on port[0] = 21 [ 60.885603][ T8210] IPVS: ftp: loaded support on port[0] = 21 [ 60.885606][ T8207] chnl_net:caif_netlink_parms(): no params data found 14:47:23 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000088cff6)='/dev/ptmx\x00', 0x101002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup2(r1, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b3fdc)) write(r0, &(0x7f00000000c0)="4f7ad0c9edb302486f1748144523c0c253773e00d49ba39063e2432e8de58f5930fd07000000dcf50bbc54b70c0ea17b4728dde5f9eedfc811ff1f75642558334444c9fe3d13", 0xffffffbf) r4 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r4, 0x5402, &(0x7f0000000140)) [ 60.974915][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.986222][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.004500][ T8207] device bridge_slave_0 entered promiscuous mode [ 61.019920][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.037808][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.055097][ T8207] device bridge_slave_1 entered promiscuous mode [ 61.104202][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.121448][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 61.127837][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.209584][ T8207] team0: Port device team_slave_0 added [ 61.237180][ T8207] team0: Port device team_slave_1 added [ 61.247686][ T8210] chnl_net:caif_netlink_parms(): no params data found 14:47:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x1, &(0x7f0000000000)=[{&(0x7f0000000140)="25bca274769e620a2734fa0095e0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a7086270146d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000380)={[{@init_itable_val={'init_itable'}}, {@resgid={'resgid'}}]}) [ 61.286941][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.295157][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.303101][ T8210] device bridge_slave_0 entered promiscuous mode [ 61.367839][ T8207] device hsr_slave_0 entered promiscuous mode [ 61.424961][ T8207] device hsr_slave_1 entered promiscuous mode 14:47:24 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x8000400) r3 = socket(0x1e, 0x805, 0x0) setsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x10f, 0x87, 0x0, 0x0) [ 61.506758][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.513838][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.535198][ T8210] device bridge_slave_1 entered promiscuous mode [ 61.585319][ T8215] IPVS: ftp: loaded support on port[0] = 21 [ 61.673049][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.711480][ T8219] IPVS: ftp: loaded support on port[0] = 21 [ 61.720359][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 61.736902][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 14:47:24 executing program 5: r0 = socket(0x40000000001e, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) getsockopt(r0, 0x800000010f, 0x80, &(0x7f00004ad000), &(0x7f0000000080)=0xfffffffffffffcbe) [ 61.767270][ T8207] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.818462][ T8207] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.901158][ T8207] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.968669][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.975952][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.984450][ T8212] device bridge_slave_0 entered promiscuous mode [ 61.992763][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.000006][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.007748][ T8212] device bridge_slave_1 entered promiscuous mode [ 62.018989][ T8207] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.068277][ T8210] team0: Port device team_slave_0 added [ 62.078614][ T8210] team0: Port device team_slave_1 added [ 62.091057][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.121415][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 62.155930][ T8210] device hsr_slave_0 entered promiscuous mode [ 62.204551][ T8210] device hsr_slave_1 entered promiscuous mode [ 62.244333][ T8210] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.256040][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.286719][ T8212] team0: Port device team_slave_0 added [ 62.312851][ T8212] team0: Port device team_slave_1 added [ 62.351382][ T8210] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.416926][ T8210] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.487778][ T8210] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.535698][ T8210] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.617338][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 62.686901][ T8212] device hsr_slave_0 entered promiscuous mode [ 62.725278][ T8212] device hsr_slave_1 entered promiscuous mode [ 62.784240][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.796819][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.803956][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.812682][ T8215] device bridge_slave_0 entered promiscuous mode [ 62.821632][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.829218][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.836996][ T8215] device bridge_slave_1 entered promiscuous mode [ 62.854429][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.864843][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.918868][ T8215] team0: Port device team_slave_0 added [ 62.949907][ T8212] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.986506][ T8215] team0: Port device team_slave_1 added [ 62.992268][ T8212] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.058436][ T8219] chnl_net:caif_netlink_parms(): no params data found [ 63.081784][ T8212] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.146176][ T8212] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.226533][ T8221] chnl_net:caif_netlink_parms(): no params data found [ 63.246739][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.253820][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.266061][ T8219] device bridge_slave_0 entered promiscuous mode [ 63.295204][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.302363][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.310124][ T8219] device bridge_slave_1 entered promiscuous mode [ 63.317187][ T8221] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.326299][ T8221] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.335851][ T8221] device bridge_slave_0 entered promiscuous mode [ 63.376555][ T8215] device hsr_slave_0 entered promiscuous mode [ 63.434672][ T8215] device hsr_slave_1 entered promiscuous mode [ 63.474230][ T8215] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.500336][ T8221] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.509222][ T8221] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.518367][ T8221] device bridge_slave_1 entered promiscuous mode [ 63.556824][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.568820][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.590181][ T8215] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.638587][ T8219] team0: Port device team_slave_0 added [ 63.647923][ T8219] team0: Port device team_slave_1 added [ 63.664386][ T8221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.726266][ T8219] device hsr_slave_0 entered promiscuous mode [ 63.754765][ T8219] device hsr_slave_1 entered promiscuous mode [ 63.814241][ T8219] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.822307][ T8215] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.886111][ T8215] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.929738][ T8215] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.976621][ T8221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.999200][ T8221] team0: Port device team_slave_0 added [ 64.007394][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.024489][ T8221] team0: Port device team_slave_1 added [ 64.045063][ T8210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.112960][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.122183][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.136187][ T8207] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.147961][ T8210] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.197052][ T8221] device hsr_slave_0 entered promiscuous mode [ 64.234511][ T8221] device hsr_slave_1 entered promiscuous mode [ 64.274180][ T8221] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.281782][ T8219] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.325600][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.333326][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.377855][ T8219] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.429256][ T8212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.436315][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.445434][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.453757][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.461068][ T8217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.469225][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.479115][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.488170][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.495258][ T8217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.502763][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.511390][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.519711][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.526809][ T8217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.534452][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.543172][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.551872][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.560277][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.569225][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.577301][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.585432][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.601393][ T8221] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.637162][ T8219] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.692455][ T8212] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.700882][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.709776][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.720437][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.727543][ T8222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.735816][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.744584][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.753033][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.760789][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.780245][ T8221] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.816017][ T8219] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.890511][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.899477][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.907909][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.916289][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.925109][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.933816][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.942324][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.951131][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.959755][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.969451][ T8222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.980979][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.989544][ T8221] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.035877][ T8221] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.090260][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.098758][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.106705][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.116052][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.124692][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.140022][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.149948][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.158796][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.180068][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.195539][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.208303][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.216799][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.224101][ T8222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.232338][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.243485][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.272296][ T8207] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.286475][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.294857][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.303543][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.312873][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.321588][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.330098][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.339311][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.347953][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.356675][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.365390][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.373751][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.382169][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.412620][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.423713][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.432862][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.443006][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.451757][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.458853][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.466915][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.475686][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.484692][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.491755][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.500396][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.510653][ T8212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.546101][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.556807][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.567120][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.576971][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.585819][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.593239][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.601010][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.609818][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.618278][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.626763][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.654941][ T8221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.664457][ T8210] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.681217][ T8215] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.692996][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.701008][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.709293][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.717015][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.725325][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.733651][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.750949][ T8212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.779755][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.787801][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.805282][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.812982][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.826647][ T8219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.837229][ T8207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.847943][ T8221] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.871431][ T8219] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.890731][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.899837][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.909740][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.918471][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 171.014025][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.020808][ C0] rcu: 0-...!: (1 GPs behind) idle=9be/1/0x4000000000000002 softirq=12291/12295 fqs=38 [ 171.030768][ C0] (t=10501 jiffies g=6577 q=88) [ 171.035697][ C0] rcu: rcu_preempt kthread starved for 10426 jiffies! g6577 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.047912][ C0] rcu: RCU grace-period kthread stack dump: [ 171.054488][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 171.062465][ C0] Call Trace: [ 171.075505][ C0] __schedule+0x9a0/0xcc0 [ 171.079839][ C0] schedule+0x181/0x210 [ 171.084010][ C0] schedule_timeout+0x14f/0x240 [ 171.089108][ C0] ? run_local_timers+0x120/0x120 [ 171.094138][ C0] rcu_gp_kthread+0xed8/0x1770 [ 171.098899][ C0] kthread+0x332/0x350 [ 171.103311][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 171.108956][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.114391][ C0] ret_from_fork+0x24/0x30 [ 171.118834][ C0] NMI backtrace for cpu 0 [ 171.123172][ C0] CPU: 0 PID: 8210 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 171.134793][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.144841][ C0] Call Trace: [ 171.148115][ C0] [ 171.150956][ C0] dump_stack+0x1fb/0x318 [ 171.155276][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.160200][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.166342][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.172480][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.178538][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.184684][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.189787][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.194982][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.200021][ C0] update_process_times+0x12d/0x180 [ 171.205209][ C0] tick_sched_timer+0x263/0x420 [ 171.210059][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.215692][ C0] __hrtimer_run_queues+0x403/0x840 [ 171.221240][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.226183][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.231547][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.237619][ C0] apic_timer_interrupt+0xf/0x20 [ 171.243072][ C0] [ 171.246609][ C0] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 171.252662][ C0] 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 [ 171.272252][ C0] RSP: 0018:ffffc90002637860 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 171.280648][ C0] RAX: 0000000000000001 RBX: ffffea00027a9680 RCX: 0000000000000000 [ 171.288608][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027a9680 [ 171.296567][ C0] RBP: ffffc90002637880 R08: 000000000003a768 R09: fffffbfff120248a [ 171.304526][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00027a9680 [ 171.312481][ C0] R13: 1ffffd40004f52d7 R14: ffffea00027a96b8 R15: 0000000000000000 [ 171.320460][ C0] free_thread_stack+0x12e/0x590 [ 171.325389][ C0] put_task_stack+0xa3/0x130 [ 171.330140][ C0] finish_task_switch+0x3f1/0x550 [ 171.335162][ C0] __schedule+0x9a8/0xcc0 [ 171.339488][ C0] schedule+0x181/0x210 [ 171.343721][ C0] schedule_preempt_disabled+0x13/0x20 [ 171.349181][ C0] __mutex_lock_common+0x1411/0x2e10 [ 171.354541][ C0] ? rtnl_lock+0x17/0x20 [ 171.358796][ C0] mutex_lock_nested+0x1b/0x30 [ 171.368940][ C0] rtnl_lock+0x17/0x20 [ 171.373084][ C0] cgrp_css_online+0x96/0x340 [ 171.377753][ C0] online_css+0xbb/0x230 [ 171.382073][ C0] cgroup_apply_control_enable+0xd46/0x1240 [ 171.387963][ C0] cgroup_mkdir+0xeb8/0x1280 [ 171.392645][ C0] ? css_task_iter_end+0x2c0/0x2c0 [ 171.397930][ C0] kernfs_iop_mkdir+0x133/0x270 [ 171.402771][ C0] vfs_mkdir+0x43f/0x610 [ 171.407009][ C0] do_mkdirat+0x1d7/0x320 [ 171.411417][ C0] __x64_sys_mkdir+0x60/0x70 [ 171.415997][ C0] do_syscall_64+0xf7/0x1c0 [ 171.420489][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.428197][ C0] RIP: 0033:0x459a97 [ 171.432081][ C0] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 171.451670][ C0] RSP: 002b:00007ffe98264d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 171.460065][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000459a97 [ 171.468023][ C0] RDX: 00007ffe98264d83 RSI: 00000000000001ff RDI: 00007ffe98264d70 [ 171.475982][ C0] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000013 [ 171.484024][ C0] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000416180 [ 171.493646][ C0] R13: 00007ffe98265198 R14: 0000000000000000 R15: 00007ffe98264d70