[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.764701][ T23] audit: type=1800 audit(1575454856.559:25): pid=8131 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.784460][ T23] audit: type=1800 audit(1575454856.559:26): pid=8131 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.832850][ T23] audit: type=1800 audit(1575454856.559:27): pid=8131 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 '10.128.0.195' (ECDSA) to the list of known hosts. 2019/12/04 10:21:08 fuzzer started 2019/12/04 10:21:10 dialing manager at 10.128.0.26:36481 2019/12/04 10:21:10 syscalls: 2691 2019/12/04 10:21:10 code coverage: enabled 2019/12/04 10:21:10 comparison tracing: enabled 2019/12/04 10:21:10 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:21:10 setuid sandbox: enabled 2019/12/04 10:21:10 namespace sandbox: enabled 2019/12/04 10:21:10 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:21:10 fault injection: enabled 2019/12/04 10:21:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:21:10 net packet injection: enabled 2019/12/04 10:21:10 net device setup: enabled 2019/12/04 10:21:10 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:21:10 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:21:11 executing program 0: syz_open_procfs(0x0, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x6}}, 0x0) r0 = socket$key(0xf, 0x3, 0x2) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20ncci\x00', 0x80, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="02020609100000000000004c9e0000000200130002000000000000000000000105000600200000000a00000000000000000500e50008070000001f00000000000009200000000000020001000000000000000002000098a805000500000000000a00000000000000ff1700a51409ac4cb3cbcf00000000000000000000000017"], 0x80}}, 0x0) sendmmsg(r0, &(0x7f0000000180), 0x40000000000002b, 0x0) 10:21:11 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getsockopt$inet6_buf(r0, 0x6, 0x1c, 0x0, &(0x7f0000000000)) syzkaller login: [ 60.806109][ T8296] IPVS: ftp: loaded support on port[0] = 21 [ 61.021963][ T8296] chnl_net:caif_netlink_parms(): no params data found 10:21:11 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x5, [@enum={0x0, 0x1, 0x0, 0x6, 0x4, [{0x2}]}]}, {0x0, [0x0, 0x5f, 0x4]}}, &(0x7f0000000080)=""/221, 0x31, 0xdd, 0x1}, 0x20) [ 61.067491][ T8300] IPVS: ftp: loaded support on port[0] = 21 [ 61.121122][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.143186][ T8296] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.164242][ T8296] device bridge_slave_0 entered promiscuous mode [ 61.194683][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.202355][ T8296] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.235319][ T8296] device bridge_slave_1 entered promiscuous mode [ 61.282007][ T8296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 10:21:12 executing program 3: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) r2 = socket$netlink(0x10, 0x3, 0x4) writev(r2, &(0x7f00000000c0)=[{&(0x7f0000000140)="580000001400192340834b80040d8c560a067fbc45ff81054e220000000058000b480400945f64009400050028925a01000000000000008000f0fffeffe809000000fff5dd000000100001000b081000418e00000004fcff", 0xfed1}], 0x1) [ 61.325650][ T8296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.349819][ T8302] IPVS: ftp: loaded support on port[0] = 21 [ 61.408119][ T8296] team0: Port device team_slave_0 added [ 61.435666][ T8296] team0: Port device team_slave_1 added 10:21:12 executing program 4: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) writev(r1, &(0x7f0000000100)=[{&(0x7f0000000800)='X', 0x1}], 0x1) close(r2) openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x42, 0x0) splice(r0, 0x0, r2, 0x0, 0x80000002, 0x0) [ 61.576708][ T8296] device hsr_slave_0 entered promiscuous mode [ 61.644202][ T8296] device hsr_slave_1 entered promiscuous mode [ 61.695862][ T8300] chnl_net:caif_netlink_parms(): no params data found [ 61.706052][ T8305] IPVS: ftp: loaded support on port[0] = 21 [ 61.774342][ T8296] netdevsim netdevsim0 netdevsim0: renamed from eth0 10:21:12 executing program 5: pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r1, &(0x7f0000000200)=ANY=[@ANYBLOB="cc23f1d8cca7d8045dc3fa49e82d172dcdfc746cff211071e94db54a9f79c26ad6670ab1496f5ae42e2e58e44b308f82b732f7f89cbeea4dff35df0ff77659cd49bcc09765a57b086b7370a1ad353844d41d531232d32529ea56586da7bbc6f9646b573ea38014ef679d8b4a2f577a14f5ed049c3462e753ada2677a0d199e491d1dfb493ba0ce811319b8360edb77287fff3b9572cdafbf4eb63bb9f196b022b2bc70b3b5ae94f26597967237e7b561c30e638e0af10365e11a4441d622ad2001b2a4fb837a178c"], 0xffd3) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'crct10dif-generic\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r3, 0x0, 0x80000001, 0x0) [ 61.822097][ T8307] IPVS: ftp: loaded support on port[0] = 21 [ 61.855540][ T8296] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.916475][ T8296] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.979924][ T8296] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.068657][ T8300] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.078482][ T8300] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.086967][ T8300] device bridge_slave_0 entered promiscuous mode [ 62.097987][ T8300] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.106557][ T8300] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.117153][ T8300] device bridge_slave_1 entered promiscuous mode [ 62.139449][ T8300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.172423][ T8300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.220931][ T8300] team0: Port device team_slave_0 added [ 62.230447][ T8309] IPVS: ftp: loaded support on port[0] = 21 [ 62.237785][ T8302] chnl_net:caif_netlink_parms(): no params data found [ 62.260973][ T8300] team0: Port device team_slave_1 added [ 62.326251][ T8300] device hsr_slave_0 entered promiscuous mode [ 62.383580][ T8300] device hsr_slave_1 entered promiscuous mode [ 62.423347][ T8300] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.539411][ T8302] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.548990][ T8302] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.559191][ T8302] device bridge_slave_0 entered promiscuous mode [ 62.570813][ T8302] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.579591][ T8302] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.588271][ T8302] device bridge_slave_1 entered promiscuous mode [ 62.602196][ T8300] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.637195][ T8300] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.757876][ T8300] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.837095][ T8302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.847304][ T8305] chnl_net:caif_netlink_parms(): no params data found [ 62.864334][ T8296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.876851][ T8300] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.916143][ T8302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.948836][ T8307] chnl_net:caif_netlink_parms(): no params data found [ 62.996488][ T8305] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.005778][ T8305] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.015221][ T8305] device bridge_slave_0 entered promiscuous mode [ 63.025656][ T8305] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.033587][ T8305] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.042056][ T8305] device bridge_slave_1 entered promiscuous mode [ 63.052266][ T8302] team0: Port device team_slave_0 added [ 63.064429][ T8307] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.072393][ T8307] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.081371][ T8307] device bridge_slave_0 entered promiscuous mode [ 63.092003][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.099433][ T8307] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.109284][ T8307] device bridge_slave_1 entered promiscuous mode [ 63.127384][ T8302] team0: Port device team_slave_1 added [ 63.197942][ T8302] device hsr_slave_0 entered promiscuous mode [ 63.273848][ T8302] device hsr_slave_1 entered promiscuous mode [ 63.343204][ T8302] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.361380][ T8305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.388914][ T8305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.412924][ T8305] team0: Port device team_slave_0 added [ 63.421256][ T8305] team0: Port device team_slave_1 added [ 63.431854][ T8307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.447458][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.456716][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.476952][ T8307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.529818][ T8296] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.553952][ T8307] team0: Port device team_slave_0 added [ 63.563542][ T8309] chnl_net:caif_netlink_parms(): no params data found [ 63.615969][ T8305] device hsr_slave_0 entered promiscuous mode [ 63.653527][ T8305] device hsr_slave_1 entered promiscuous mode [ 63.703160][ T8305] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.715813][ T8307] team0: Port device team_slave_1 added [ 63.728311][ T8302] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.785113][ T8302] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.829144][ T8302] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.877957][ T8302] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.953782][ T8316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.964252][ T8316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.972937][ T8316] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.980801][ T8316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.990316][ T8316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.998654][ T8316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.007729][ T8316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.016501][ T8316] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.024095][ T8316] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.048184][ T8309] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.055856][ T8309] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.064688][ T8309] device bridge_slave_0 entered promiscuous mode [ 64.075854][ T8309] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.083057][ T8309] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.091266][ T8309] device bridge_slave_1 entered promiscuous mode [ 64.135936][ T8307] device hsr_slave_0 entered promiscuous mode [ 64.173648][ T8307] device hsr_slave_1 entered promiscuous mode [ 64.243160][ T8307] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.275379][ T8309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.289534][ T8298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.298953][ T8298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.308430][ T8305] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.375993][ T8305] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.416359][ T8309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.432574][ T8300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.450719][ T8305] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.499035][ T8305] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.573367][ T8300] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.580700][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.589587][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.599251][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.607293][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.637223][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.647268][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.656309][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.665553][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.673194][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.681148][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.689801][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.701272][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.728286][ T8309] team0: Port device team_slave_0 added [ 64.741732][ T8309] team0: Port device team_slave_1 added [ 64.754583][ T8307] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.815580][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.826163][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.836676][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.845199][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.853877][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.863167][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.872469][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.881713][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.945893][ T8309] device hsr_slave_0 entered promiscuous mode [ 64.983547][ T8309] device hsr_slave_1 entered promiscuous mode [ 65.053134][ T8309] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.069737][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.078445][ T8307] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.126052][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.162385][ T8307] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.236087][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.245122][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.254425][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.263053][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.284488][ T8307] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.321219][ T8300] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.332194][ T8300] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.345296][ T8309] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.395177][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.404215][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.414023][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.424899][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.433988][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.442762][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.453932][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.476569][ T8309] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.525838][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.533909][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.546051][ T8302] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.557788][ T8296] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.571014][ T8309] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.612737][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.624781][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.639811][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.649010][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.657712][ T8309] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.735540][ T8302] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.745170][ T8300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.792316][ T8298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.809434][ T8298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.819432][ T8298] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.826792][ T8298] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.894442][ T8309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.912916][ T8309] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.957850][ T8309] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.969980][ T8309] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.012691][ T8309] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.923007][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.930062][ C0] rcu: 0-...!: (1 GPs behind) idle=1de/1/0x4000000000000002 softirq=11252/11266 fqs=5 [ 170.940621][ C0] (t=10501 jiffies g=6977 q=729) [ 170.945763][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6977 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.957302][ C0] rcu: RCU grace-period kthread stack dump: [ 170.963197][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.971190][ C0] Call Trace: [ 170.974486][ C0] __schedule+0x9a0/0xcc0 [ 170.978846][ C0] schedule+0x181/0x210 [ 170.983083][ C0] schedule_timeout+0x14f/0x240 [ 170.988028][ C0] ? run_local_timers+0x120/0x120 [ 170.993056][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.997833][ C0] kthread+0x332/0x350 [ 171.001940][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 171.007175][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.011866][ C0] ret_from_fork+0x24/0x30 [ 171.016284][ C0] NMI backtrace for cpu 0 [ 171.021272][ C0] CPU: 0 PID: 8266 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 171.028979][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.039137][ C0] Call Trace: [ 171.042493][ C0] [ 171.045474][ C0] dump_stack+0x1fb/0x318 [ 171.049844][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.054821][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.061157][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.067285][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.073374][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.079725][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.085129][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.090633][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.096030][ C0] update_process_times+0x12d/0x180 [ 171.101408][ C0] tick_sched_timer+0x263/0x420 [ 171.106626][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.112201][ C0] __hrtimer_run_queues+0x403/0x840 [ 171.117933][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.123241][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.128957][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.140316][ C0] apic_timer_interrupt+0xf/0x20 [ 171.145356][ C0] [ 171.148803][ C0] RIP: 0010:__memcg_kmem_uncharge+0xd/0x1a0 [ 171.155216][ C0] Code: 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 7c 87 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <50> 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 [ 171.177592][ C0] RSP: 0018:ffffc90002097ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.186416][ C0] RAX: ffffffff81486ea4 RBX: ffffea00029295c0 RCX: ffff88809037c240 [ 171.194865][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029295c0 [ 171.202978][ C0] RBP: ffffc90002097b00 R08: 000000000003a728 R09: fffffbfff120248a [ 171.211345][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a7afe4a0 [ 171.221857][ C0] R13: dffffc0000000000 R14: 1ffff11014f5fc94 R15: ffff888093e577e8 [ 171.230030][ C0] ? free_thread_stack+0x124/0x590 [ 171.235164][ C0] ? free_thread_stack+0x124/0x590 [ 171.240324][ C0] free_thread_stack+0x12e/0x590 [ 171.245288][ C0] put_task_stack+0xa3/0x130 [ 171.249912][ C0] finish_task_switch+0x3f1/0x550 [ 171.255153][ C0] __schedule+0x9a8/0xcc0 [ 171.259592][ C0] schedule+0x181/0x210 [ 171.263784][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 171.269882][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 171.276159][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 171.281664][ C0] ep_poll+0xa4d/0xe80 [ 171.287103][ C0] ? do_task_dead+0xc0/0xc0 [ 171.291699][ C0] ? __kasan_check_read+0x11/0x20 [ 171.296882][ C0] do_epoll_wait+0x1ee/0x260 [ 171.301881][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 171.307190][ C0] do_syscall_64+0xf7/0x1c0 [ 171.311718][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.317631][ C0] RIP: 0033:0x7fc4dde14943 [ 171.322137][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 171.345533][ C0] RSP: 002b:00007ffcd184b718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 171.354588][ C0] RAX: ffffffffffffffda RBX: 00000000020b9250 RCX: 00007fc4dde14943 [ 171.362971][ C0] RDX: 0000000000000004 RSI: 00007ffcd184b7e0 RDI: 0000000000000007 [ 171.371340][ C0] RBP: 0000000000625500 R08: 00007ffcd184b700 R09: 00007ffcd18770b8 [ 171.379449][ C0] R10: 000000000000ee40 R11: 0000000000000246 R12: 00000000020c9fe0 [ 171.387746][ C0] R13: 00007ffcd184c837 R14: 0000000000000005 R15: 00000000020b9250