[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.521691][ T23] audit: type=1800 audit(1578456506.234:25): pid=8328 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.540841][ T23] audit: type=1800 audit(1578456506.244:26): pid=8328 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.572568][ T23] audit: type=1800 audit(1578456506.244:27): pid=8328 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 '10.128.0.159' (ECDSA) to the list of known hosts. 2020/01/08 04:08:37 fuzzer started 2020/01/08 04:08:39 dialing manager at 10.128.0.26:35703 2020/01/08 04:08:39 syscalls: 2824 2020/01/08 04:08:39 code coverage: enabled 2020/01/08 04:08:39 comparison tracing: enabled 2020/01/08 04:08:39 extra coverage: enabled 2020/01/08 04:08:39 setuid sandbox: enabled 2020/01/08 04:08:39 namespace sandbox: enabled 2020/01/08 04:08:39 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:08:39 fault injection: enabled 2020/01/08 04:08:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:08:39 net packet injection: enabled 2020/01/08 04:08:39 net device setup: enabled 2020/01/08 04:08:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:08:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:08:40 executing program 0: r0 = socket$kcm(0x2b, 0x1, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f00000003c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='GPL\x00'}, 0x48) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f00000016c0)=r1, 0x4) close(r1) 04:08:40 executing program 1: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2ac5000000012e0b3836005404b0e0301a060075f2e3ff5f163ee340b700000080000000000000fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c65400"}, 0x80) getsockname$packet(r2, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000400)=0x115) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000002400e50d00"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000e208000100686866000c000200080002"], 0x3}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x100000000, 0x0) syzkaller login: [ 67.679466][ T8496] IPVS: ftp: loaded support on port[0] = 21 [ 67.773510][ T8498] IPVS: ftp: loaded support on port[0] = 21 04:08:40 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0xacc, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x11, r2, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r2) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) [ 67.856351][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 67.957671][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.968701][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.977715][ T8496] device bridge_slave_0 entered promiscuous mode [ 67.988327][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.996291][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.005243][ T8496] device bridge_slave_1 entered promiscuous mode [ 68.014706][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 68.065172][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.091166][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.106398][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 68.119051][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.132100][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.140383][ T8498] device bridge_slave_0 entered promiscuous mode 04:08:40 executing program 3: unshare(0x2000400) r0 = syz_open_dev$cec(&(0x7f0000000040)='/dev/cec#\x00', 0x3, 0x2) ioctl$IOC_PR_PREEMPT(r0, 0xc0386106, 0x0) [ 68.175787][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.183608][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.191469][ T8498] device bridge_slave_1 entered promiscuous mode [ 68.216616][ T8496] team0: Port device team_slave_0 added [ 68.242446][ T8496] team0: Port device team_slave_1 added [ 68.255933][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.314051][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.395495][ T8496] device hsr_slave_0 entered promiscuous mode 04:08:41 executing program 4: r0 = syz_open_dev$usbfs(&(0x7f0000000840)='/dev/bus/usb/00#/00#\x00', 0x200, 0x1) poll(&(0x7f0000000280)=[{r0}], 0x1, 0x0) [ 68.444935][ T8496] device hsr_slave_1 entered promiscuous mode [ 68.542413][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 68.552640][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 68.567006][ T8498] team0: Port device team_slave_0 added [ 68.596667][ T8498] team0: Port device team_slave_1 added 04:08:41 executing program 5: r0 = openat$vhci(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhci\x00', 0x0) poll(&(0x7f00000000c0)=[{r0, 0x4c4}], 0x1, 0xffff) [ 68.716288][ T8498] device hsr_slave_0 entered promiscuous mode [ 68.754156][ T8498] device hsr_slave_1 entered promiscuous mode [ 68.792912][ T8498] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.800592][ T8498] Cannot create hsr debugfs directory [ 68.829034][ T8507] IPVS: ftp: loaded support on port[0] = 21 [ 68.830940][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 68.841160][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.848325][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.855995][ T8502] device bridge_slave_0 entered promiscuous mode [ 68.909543][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.917350][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.925117][ T8502] device bridge_slave_1 entered promiscuous mode [ 68.990437][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.004735][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.014972][ T8496] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.066884][ T8496] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.117088][ T8496] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.191096][ T8496] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.298037][ T8502] team0: Port device team_slave_0 added [ 69.308524][ T8502] team0: Port device team_slave_1 added [ 69.349746][ T8498] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.396546][ T8498] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.515453][ T8502] device hsr_slave_0 entered promiscuous mode [ 69.553147][ T8502] device hsr_slave_1 entered promiscuous mode [ 69.593194][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.600789][ T8502] Cannot create hsr debugfs directory [ 69.636399][ T8498] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.704643][ T8498] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.774467][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 69.809285][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 69.852636][ T8502] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.895188][ T8502] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.971852][ T8502] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.027208][ T8502] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.161099][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.169650][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.177521][ T8505] device bridge_slave_0 entered promiscuous mode [ 70.188462][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.196066][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.206050][ T8505] device bridge_slave_1 entered promiscuous mode [ 70.219397][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.226737][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.234564][ T8509] device bridge_slave_0 entered promiscuous mode [ 70.242312][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.249501][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.258007][ T8509] device bridge_slave_1 entered promiscuous mode [ 70.265118][ T8507] chnl_net:caif_netlink_parms(): no params data found [ 70.291697][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.306741][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.329907][ T8505] team0: Port device team_slave_0 added [ 70.350614][ T8505] team0: Port device team_slave_1 added [ 70.374456][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.386734][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.409694][ T8507] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.417413][ T8507] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.425370][ T8507] device bridge_slave_0 entered promiscuous mode [ 70.434000][ T8507] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.441041][ T8507] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.448671][ T8507] device bridge_slave_1 entered promiscuous mode [ 70.471184][ T8507] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.504933][ T8505] device hsr_slave_0 entered promiscuous mode [ 70.563230][ T8505] device hsr_slave_1 entered promiscuous mode [ 70.602944][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.610521][ T8505] Cannot create hsr debugfs directory [ 70.617553][ T8507] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.666596][ T8509] team0: Port device team_slave_0 added [ 70.674577][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.682583][ T8507] team0: Port device team_slave_0 added [ 70.699146][ T8509] team0: Port device team_slave_1 added [ 70.707896][ T8507] team0: Port device team_slave_1 added [ 70.786018][ T8507] device hsr_slave_0 entered promiscuous mode [ 70.823338][ T8507] device hsr_slave_1 entered promiscuous mode [ 70.863002][ T8507] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.870602][ T8507] Cannot create hsr debugfs directory [ 70.888947][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.917288][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.926743][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.940728][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.957000][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.997254][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.008881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.017714][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.024929][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.033923][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.041789][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.052104][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.074350][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.126193][ T8509] device hsr_slave_0 entered promiscuous mode [ 71.173523][ T8509] device hsr_slave_1 entered promiscuous mode [ 71.222943][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.222975][ T8509] Cannot create hsr debugfs directory [ 71.251909][ T2759] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.260233][ T2759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.268202][ T2759] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.277874][ T2759] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.286253][ T2759] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.293317][ T2759] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.303990][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.349110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.357632][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.367009][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.374121][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.381768][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.391234][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.399792][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.406891][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.414374][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.423111][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.431447][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.438529][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.446196][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.454857][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.463454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.471790][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.480126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.488473][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.496803][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.505565][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.513770][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.521906][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.530080][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.541594][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.549417][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.557209][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.573317][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.581778][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.594675][ T2767] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.601742][ T2767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.613096][ T8496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.670812][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.680220][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.688952][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.697468][ T8505] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.747508][ T8507] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.808105][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.815821][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.825215][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.833983][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.842402][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.850839][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.859389][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.867802][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.876082][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.884413][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.893314][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.901520][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.909424][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.917029][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.925626][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.936951][ T8505] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.006841][ T8507] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.055266][ T8507] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.096177][ T8507] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.165451][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.176168][ T8509] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.236164][ T8505] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.295270][ T8505] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.339183][ T8496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.355367][ T8509] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.392139][ T8509] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.425040][ T8509] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.495324][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.503840][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.511889][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.521683][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.575310][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.582729][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.590852][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.599916][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.609455][ T8502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.620001][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.676617][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.686834][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.695258][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.704497][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.713122][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.720804][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.732182][ T8496] device veth0_vlan entered promiscuous mode [ 72.750219][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.763360][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.771606][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.782259][ T8496] device veth1_vlan entered promiscuous mode [ 72.800668][ T8498] device veth0_vlan entered promiscuous mode [ 72.809204][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.817634][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.826087][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.852173][ T8505] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.881696][ T8498] device veth1_vlan entered promiscuous mode [ 72.895731][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.905736][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.914175][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.921789][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.943902][ T8507] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.955878][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.965355][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.974488][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.981539][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.989405][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.997353][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.004871][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.013569][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.021788][ T2771] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.028860][ T2771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.037068][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.050597][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.081214][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.142742][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.193424][ T8509] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.208398][ T8509] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.260233][ T8509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 178.092795][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.099699][ C0] rcu: 0-...!: (10499 ticks this GP) idle=63a/1/0x4000000000000002 softirq=13885/13885 fqs=8 [ 178.110199][ C0] (t=10500 jiffies g=6761 q=440) [ 178.115215][ C0] rcu: rcu_preempt kthread starved for 10482 jiffies! g6761 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.126295][ C0] rcu: RCU grace-period kthread stack dump: [ 178.132174][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 178.140059][ C0] Call Trace: [ 178.143346][ C0] __schedule+0x9a0/0xcc0 [ 178.147673][ C0] schedule+0x181/0x210 [ 178.151822][ C0] schedule_timeout+0x14f/0x240 [ 178.156659][ C0] ? run_local_timers+0x120/0x120 [ 178.161674][ C0] rcu_gp_kthread+0xed8/0x1770 [ 178.166433][ C0] kthread+0x332/0x350 [ 178.170485][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 178.175579][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.180160][ C0] ret_from_fork+0x24/0x30 [ 178.184577][ C0] NMI backtrace for cpu 0 [ 178.188892][ C0] CPU: 0 PID: 8505 Comm: syz-executor.3 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.197468][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.207525][ C0] Call Trace: [ 178.210801][ C0] [ 178.213649][ C0] dump_stack+0x1fb/0x318 [ 178.217975][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.222813][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.228962][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.235034][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.241015][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.246895][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.252001][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.257188][ C0] ? trace_hardirqs_off+0x74/0x80 [ 178.262201][ C0] update_process_times+0x12d/0x180 [ 178.267390][ C0] tick_sched_timer+0x263/0x420 [ 178.272233][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.277765][ C0] __hrtimer_run_queues+0x403/0x840 [ 178.282969][ C0] hrtimer_interrupt+0x38c/0xda0 [ 178.287924][ C0] ? debug_smp_processor_id+0x9/0x20 [ 178.293199][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 178.298731][ C0] apic_timer_interrupt+0xf/0x20 [ 178.303649][ C0] [ 178.306582][ C0] RIP: 0010:free_thread_stack+0x195/0x590 [ 178.312291][ C0] Code: 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1b 94 6a 00 <48> 8b 1b e9 82 ff ff ff e8 be 2b 2e 00 43 80 3c 2e 00 75 18 eb 1e [ 178.331879][ C0] RSP: 0018:ffffc90001f372d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.340273][ C0] RAX: 1ffff11014292241 RBX: ffff8880a1491208 RCX: ffff888097564540 [ 178.348233][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002558140 [ 178.356191][ C0] RBP: ffffc90001f37310 R08: 000000000003a728 R09: fffffbfff124248a [ 178.364150][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888099df0120 [ 178.372194][ C0] R13: dffffc0000000000 R14: 1ffff110133be024 R15: ffff8880a7c213f8 [ 178.380176][ C0] ? free_thread_stack+0x168/0x590 [ 178.385280][ C0] put_task_stack+0xa3/0x130 [ 178.389856][ C0] finish_task_switch+0x3f1/0x550 [ 178.395057][ C0] __schedule+0x9a8/0xcc0 [ 178.399384][ C0] preempt_schedule_irq+0xc1/0x140 [ 178.404482][ C0] retint_kernel+0x1b/0x2b [ 178.408887][ C0] RIP: 0010:stack_trace_consume_entry+0x187/0x260 [ 178.415289][ C0] Code: df 48 8b 4d b8 8a 04 01 84 c0 0f 85 c7 00 00 00 48 8b 45 c0 8b 18 44 89 ff 89 de e8 f3 fc 10 00 41 39 df 0f 92 c0 48 83 c4 28 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 48 8b 4d c8 80 e1 07 80 c1 03 38 [ 178.434885][ C0] RSP: 0018:ffffc90001f37528 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 178.443285][ C0] RAX: ffff888097564501 RBX: 0000000000000040 RCX: 0000000000000000 [ 178.451248][ C0] RDX: 000000000000000a RSI: 0000000000000040 RDI: 000000000000000b [ 178.459208][ C0] RBP: ffffc90001f37550 R08: ffffffff8165c2fd R09: ffffc90001f37560 [ 178.467262][ C0] R10: fffff520003e6eb8 R11: 0000000000000000 R12: dffffc0000000000 [ 178.475232][ C0] R13: ffffc90001f37610 R14: 000000000000000a R15: 000000000000000b [ 178.483203][ C0] ? stack_trace_consume_entry+0x17d/0x260 [ 178.489002][ C0] ? stack_trace_save+0x150/0x150 [ 178.494017][ C0] arch_stack_walk+0xa8/0xe0 [ 178.498599][ C0] ? iput+0x508/0x690 [ 178.502573][ C0] stack_trace_save+0xb6/0x150 [ 178.507349][ C0] __kasan_kmalloc+0x11c/0x1b0 [ 178.512114][ C0] ? __kasan_kmalloc+0x11c/0x1b0 [ 178.517045][ C0] ? kasan_slab_alloc+0xf/0x20 [ 178.521802][ C0] ? kmem_cache_alloc+0x1f5/0x2e0 [ 178.526821][ C0] ? __debug_object_init+0x1262/0x19a0 [ 178.532268][ C0] ? debug_object_activate+0x17a/0x6f0 [ 178.537714][ C0] ? __call_rcu+0x3d/0x670 [ 178.542120][ C0] ? call_rcu+0xb/0x10 [ 178.546182][ C0] ? security_inode_free+0xbb/0xd0 [ 178.551279][ C0] ? __destroy_inode+0x26a/0x5b0 [ 178.556222][ C0] ? evict+0x5a2/0x6c0 [ 178.560290][ C0] ? iput+0x508/0x690 [ 178.564275][ C0] ? dentry_unlink_inode+0x2e0/0x3d0 [ 178.569555][ C0] ? __dentry_kill+0x3e2/0x5e0 [ 178.574308][ C0] ? dput+0x460/0x6f0 [ 178.578284][ C0] ? __fput+0x4d3/0x740 [ 178.582514][ C0] ? ____fput+0x15/0x20 [ 178.586664][ C0] ? task_work_run+0x17e/0x1b0 [ 178.591413][ C0] ? prepare_exit_to_usermode+0x483/0x5b0 [ 178.597116][ C0] ? syscall_return_slowpath+0x113/0x4a0 [ 178.602736][ C0] ? do_syscall_64+0x11f/0x1c0 [ 178.607485][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.613535][ C0] ? __kasan_check_read+0x11/0x20 [ 178.618549][ C0] ? mark_lock+0x107/0x1650 [ 178.623042][ C0] ? validate_chain+0x92/0x7bc0 [ 178.627879][ C0] ? __kasan_check_read+0x11/0x20 [ 178.632892][ C0] ? validate_chain+0x92/0x7bc0 [ 178.637731][ C0] ? __kasan_check_read+0x11/0x20 [ 178.642740][ C0] ? check_preemption_disabled+0x44/0x260 [ 178.648441][ C0] ? debug_smp_processor_id+0x9/0x20 [ 178.653804][ C0] ? should_fail+0x153/0x770 [ 178.658382][ C0] ? kmem_cache_alloc+0x194/0x2e0 [ 178.663399][ C0] kasan_slab_alloc+0xf/0x20 [ 178.667975][ C0] kmem_cache_alloc+0x1f5/0x2e0 [ 178.672815][ C0] ? __debug_object_init+0x1262/0x19a0 [ 178.678261][ C0] __debug_object_init+0x1262/0x19a0 [ 178.683545][ C0] ? _raw_spin_unlock_irqrestore+0x72/0xe0 [ 178.689349][ C0] debug_object_activate+0x17a/0x6f0 [ 178.694630][ C0] ? security_inode_free+0xd0/0xd0 [ 178.699749][ C0] __call_rcu+0x3d/0x670 [ 178.703995][ C0] call_rcu+0xb/0x10 [ 178.707892][ C0] security_inode_free+0xbb/0xd0 [ 178.712826][ C0] __destroy_inode+0x26a/0x5b0 [ 178.717607][ C0] evict+0x5a2/0x6c0 [ 178.721503][ C0] iput+0x508/0x690 [ 178.725324][ C0] dentry_unlink_inode+0x2e0/0x3d0 [ 178.730433][ C0] __dentry_kill+0x3e2/0x5e0 [ 178.735031][ C0] dput+0x460/0x6f0 [ 178.738837][ C0] __fput+0x4d3/0x740 [ 178.742820][ C0] ____fput+0x15/0x20 [ 178.746797][ C0] task_work_run+0x17e/0x1b0 [ 178.751385][ C0] prepare_exit_to_usermode+0x483/0x5b0 [ 178.756929][ C0] syscall_return_slowpath+0x113/0x4a0 [ 178.762376][ C0] do_syscall_64+0x11f/0x1c0 [ 178.766960][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.772840][ C0] RIP: 0033:0x45ed03 [ 178.776746][ C0] Code: 48 89 ee 48 89 e7 e8 5c 16 fa ff 31 c0 48 89 e2 be 33 89 00 00 89 df e8 bb c0 ff ff 85 c0 78 17 48 63 fb b8 03 00 00 00 0f 05 <8b> 44 24 10 48 83 c4 38 5b 5d c3 66 90 48 c7 c2 d4 ff ff ff 48 63 [ 178.796429][ C0] RSP: 002b:00007ffeb714d780 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 178.804835][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 000000000045ed03 [ 178.812792][ C0] RDX: 00007ffeb714d780 RSI: 0000000000008933 RDI: 0000000000000004 [ 178.820749][ C0] RBP: 00000000004c04e8 R08: 0000000000000002 R09: 00007ffeb714d868 [ 178.828708][ C0] R10: 0000000000000019 R11: 0000000000000246 R12: 00000000004c04e8 [ 178.836666][ C0] R13: 0000000000000000 R14: 0000000000000003 R15: 00007ffeb714d868