[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.298439][ T26] audit: type=1800 audit(1578461748.177:25): pid=8309 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.334988][ T26] audit: type=1800 audit(1578461748.177:26): pid=8309 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.374994][ T26] audit: type=1800 audit(1578461748.177:27): pid=8309 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 '10.128.0.147' (ECDSA) to the list of known hosts. 2020/01/08 05:35:58 fuzzer started 2020/01/08 05:36:00 dialing manager at 10.128.0.26:35703 2020/01/08 05:36:00 syscalls: 2824 2020/01/08 05:36:00 code coverage: enabled 2020/01/08 05:36:00 comparison tracing: enabled 2020/01/08 05:36:00 extra coverage: enabled 2020/01/08 05:36:00 setuid sandbox: enabled 2020/01/08 05:36:00 namespace sandbox: enabled 2020/01/08 05:36:00 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:36:00 fault injection: enabled 2020/01/08 05:36:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:36:00 net packet injection: enabled 2020/01/08 05:36:00 net device setup: enabled 2020/01/08 05:36:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:36:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:36:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0x3ff, 0x1, &(0x7f0000000280)=[{&(0x7f00000003c0)="eb64c86d4f66732e66613400040441000500077008f8", 0xc7}], 0x0, 0x0) 05:36:01 executing program 1: r0 = socket$inet(0x2, 0x80001, 0x84) sendmmsg$inet_sctp(r0, &(0x7f00000032c0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000640)=[@sndinfo={0x20}, @sndrcv={0x20}], 0x50}], 0x1, 0x0) syzkaller login: [ 65.011763][ T8476] IPVS: ftp: loaded support on port[0] = 21 05:36:02 executing program 2: r0 = socket$kcm(0x29, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000017c0)=[{&(0x7f00000000c0)="b7", 0x1}], 0x1}, 0x0) sendmsg$kcm(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000005c0)='v', 0x1}], 0x1}, 0x0) close(r0) [ 65.191793][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 65.259820][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 65.319784][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.334693][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.342584][ T8476] device bridge_slave_0 entered promiscuous mode [ 65.367927][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.384659][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.392344][ T8476] device bridge_slave_1 entered promiscuous mode [ 65.437135][ T8481] IPVS: ftp: loaded support on port[0] = 21 [ 65.456648][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.479852][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:36:02 executing program 3: r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000300)='/dev/btrfs-control\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_SUBDIVIDE(r0, 0x50009405, &(0x7f0000000340)) [ 65.518619][ T8476] team0: Port device team_slave_0 added [ 65.549038][ T8476] team0: Port device team_slave_1 added 05:36:02 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000000000)="ab553fed94fde5713df919c58c35f626c2e0a9f557c70a98", 0x18) r2 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r2, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @broadcast}}, 0x24) sendmmsg(r2, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000025c0)=ANY=[@ANYBLOB="18000000000000001001000001000000770000000bdf00409330b3e7d8aa94129a373d62c292b8c6ed127caa87f75478759207d10604ec95ff7bcb0d6b9b125ec85a366abe4f50111f0a03dbd1b4dea05a8b5b29e84e4fadaa6ebe736427e44dc6505d24234826a267f75c743db965041c09c59047f7f794fdffff80b6d724c8f356b5c28affffffffff8193b1a5c3438495d929ce2f1a6893afaf3f05d32d0bfa67b3da43ab981313e755279794e480a269917db5430ef9aec071e44cd19cb18e4e0528acd13471f44d80d21ed5de4b4ca31f4269a88115bece676d0fbf165b08c35178e5989379cc9df9e121a95731d088d6"], 0x18, 0x4800000000000000}}], 0x1, 0x0) sendmmsg(r2, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000000)=[{0x18, 0x110, 0x1, 'w'}], 0x18}}], 0x1, 0x0) [ 65.706569][ T8476] device hsr_slave_0 entered promiscuous mode [ 65.745616][ T8476] device hsr_slave_1 entered promiscuous mode [ 65.826184][ T8484] IPVS: ftp: loaded support on port[0] = 21 [ 65.839780][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 65.867658][ T8481] chnl_net:caif_netlink_parms(): no params data found [ 65.960455][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 66.009666][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.024715][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.032465][ T8479] device bridge_slave_0 entered promiscuous mode [ 66.061256][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.075039][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.082611][ T8481] device bridge_slave_0 entered promiscuous mode 05:36:03 executing program 5: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000019c0)='/dev/sequencer\x00', 0x1, 0x0) write$sndseq(r0, &(0x7f0000000900)=[{0x0, 0x0, 0x0, 0x0, @time={0x0, 0x1c9c380}, {0x4}, {}, @result}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @note={0x81, 0x8}}], 0x60) [ 66.109436][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.116668][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.130007][ T8479] device bridge_slave_1 entered promiscuous mode [ 66.154027][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.162719][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.173111][ T8481] device bridge_slave_1 entered promiscuous mode [ 66.239265][ T8476] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.268349][ T8481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.283447][ T8481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.293876][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.318389][ T8489] IPVS: ftp: loaded support on port[0] = 21 [ 66.324635][ T8476] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.359706][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.374263][ T8476] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.443803][ T8476] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.503545][ T8481] team0: Port device team_slave_0 added [ 66.514529][ T8481] team0: Port device team_slave_1 added [ 66.552888][ T8479] team0: Port device team_slave_0 added [ 66.561919][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 66.626234][ T8481] device hsr_slave_0 entered promiscuous mode [ 66.665084][ T8481] device hsr_slave_1 entered promiscuous mode [ 66.694757][ T8481] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.702459][ T8481] Cannot create hsr debugfs directory [ 66.709430][ T8479] team0: Port device team_slave_1 added [ 66.779379][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.786717][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.794330][ T8484] device bridge_slave_0 entered promiscuous mode [ 66.866600][ T8479] device hsr_slave_0 entered promiscuous mode [ 66.914919][ T8479] device hsr_slave_1 entered promiscuous mode [ 66.954684][ T8479] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.962229][ T8479] Cannot create hsr debugfs directory [ 66.967843][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.974976][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.982614][ T8484] device bridge_slave_1 entered promiscuous mode [ 67.008767][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 67.064179][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.079027][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.101596][ T8484] team0: Port device team_slave_0 added [ 67.125668][ T8484] team0: Port device team_slave_1 added [ 67.131438][ T8489] chnl_net:caif_netlink_parms(): no params data found [ 67.158920][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.166320][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.173767][ T8487] device bridge_slave_0 entered promiscuous mode [ 67.181685][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.189129][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.197035][ T8487] device bridge_slave_1 entered promiscuous mode [ 67.267150][ T8484] device hsr_slave_0 entered promiscuous mode [ 67.315120][ T8484] device hsr_slave_1 entered promiscuous mode [ 67.354881][ T8484] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.362457][ T8484] Cannot create hsr debugfs directory [ 67.437036][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.450069][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.472630][ T8481] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.528781][ T8481] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.590020][ T8481] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.646730][ T8479] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.690060][ T8479] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.760038][ T8479] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.821366][ T8479] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.881403][ T8481] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.945478][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.958387][ T8489] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.967228][ T8489] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.976597][ T8489] device bridge_slave_0 entered promiscuous mode [ 67.997396][ T8487] team0: Port device team_slave_0 added [ 68.023232][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.032263][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.040952][ T8489] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.048273][ T8489] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.056711][ T8489] device bridge_slave_1 entered promiscuous mode [ 68.064259][ T8487] team0: Port device team_slave_1 added [ 68.076479][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.103592][ T8489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.121802][ T8489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.197580][ T8487] device hsr_slave_0 entered promiscuous mode [ 68.224953][ T8487] device hsr_slave_1 entered promiscuous mode [ 68.275139][ T8487] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.282753][ T8487] Cannot create hsr debugfs directory [ 68.289521][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.299489][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.307955][ T2782] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.315125][ T2782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.322936][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.332292][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.340643][ T2782] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.347700][ T2782] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.396619][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.405298][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.413697][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.422550][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.431666][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.439994][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.448725][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.457114][ T8484] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.508180][ T8489] team0: Port device team_slave_0 added [ 68.514091][ T8484] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.584030][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.592912][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.601510][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.611086][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.619522][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.629235][ T8489] team0: Port device team_slave_1 added [ 68.635200][ T8484] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.677820][ T8484] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.748388][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.759763][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.816386][ T8489] device hsr_slave_0 entered promiscuous mode [ 68.845012][ T8489] device hsr_slave_1 entered promiscuous mode [ 68.904779][ T8489] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.912347][ T8489] Cannot create hsr debugfs directory [ 68.981576][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.994352][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.010163][ T8481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.043791][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.052040][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.074122][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.095155][ T8476] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.114541][ T8481] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.129355][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.139873][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.148504][ T3228] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.155582][ T3228] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.163002][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.171519][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.179740][ T3228] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.186816][ T3228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.194217][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.201886][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.209512][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.218380][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.243533][ T8487] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.307144][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.316326][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.325011][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.333210][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.341707][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.350301][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.358733][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.368339][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.384851][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.393340][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.403111][ T2794] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.410224][ T2794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.417888][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.426831][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.436405][ T8489] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.497003][ T8487] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.552486][ T8487] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.616933][ T8487] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.672262][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.680263][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.688941][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.697322][ T2791] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.704393][ T2791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.712455][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.720881][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.729026][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.737706][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.746802][ T8489] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.807306][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.817361][ T8476] device veth0_vlan entered promiscuous mode [ 69.823888][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.833196][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.841628][ T8489] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.880144][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.897481][ T8489] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.926727][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.938192][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.947010][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.955799][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.964051][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.992048][ T8476] device veth1_vlan entered promiscuous mode [ 70.001927][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.010785][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.033703][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.047333][ T8481] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.061028][ T8481] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.072474][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.081148][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.089732][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.097476][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.105298][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.113436][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.121632][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.129184][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.142921][ T8479] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.176110][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.183732][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.192644][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.201493][ T2782] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.208570][ T2782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.216534][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.223917][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.232542][ T2782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.254971][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.263394][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.272652][ T3228] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.279754][ T3228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.287661][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.296349][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.305019][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.313384][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.322552][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.340623][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.363717][ T8481] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.373321][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.389377][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.405212][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.413743][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.552479][ T8496] FAT-fs (loop0): unable to read boot sector (logical sector size = 1024) [ 175.464586][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.471444][ C0] rcu: 0-...!: (1 GPs behind) idle=c8e/1/0x4000000000000002 softirq=13439/13441 fqs=39 [ 175.481386][ C0] (t=10500 jiffies g=6541 q=94) [ 175.486316][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.497397][ C0] rcu: RCU grace-period kthread stack dump: [ 175.503283][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.511185][ C0] Call Trace: [ 175.514483][ C0] __schedule+0x9a0/0xcc0 [ 175.518824][ C0] schedule+0x181/0x210 [ 175.522976][ C0] schedule_timeout+0x14f/0x240 [ 175.527821][ C0] ? run_local_timers+0x120/0x120 [ 175.532845][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.537610][ C0] kthread+0x332/0x350 [ 175.541670][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.546775][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.551358][ C0] ret_from_fork+0x24/0x30 [ 175.555780][ C0] NMI backtrace for cpu 0 [ 175.560101][ C0] CPU: 0 PID: 3227 Comm: kworker/0:117 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.568603][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.578662][ C0] Workqueue: events linkwatch_event [ 175.583849][ C0] Call Trace: [ 175.587121][ C0] [ 175.589968][ C0] dump_stack+0x1fb/0x318 [ 175.594292][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.599152][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.605403][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.611465][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.617442][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.623332][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.628450][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.633643][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.638672][ C0] update_process_times+0x12d/0x180 [ 175.643866][ C0] tick_sched_timer+0x263/0x420 [ 175.648706][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.654248][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.659453][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.664404][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.669687][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.676021][ C0] apic_timer_interrupt+0xf/0x20 [ 175.680949][ C0] [ 175.683884][ C0] RIP: 0010:mod_memcg_page_state+0x16/0x190 [ 175.689768][ C0] Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 <48> 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 [ 175.709361][ C0] RSP: 0018:ffffc9000926f6d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 175.717759][ C0] RAX: ffffffff814896c6 RBX: ffffea00026ebd00 RCX: ffff88809d9d4100 [ 175.725720][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026ebd00 [ 175.733680][ C0] RBP: ffffc9000926f6f0 R08: 000000000003a728 R09: fffffbfff124248a [ 175.741650][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880920699a0 [ 175.749728][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809e2a16b8 [ 175.757708][ C0] ? mod_memcg_page_state+0x16/0x190 [ 175.762989][ C0] free_thread_stack+0x168/0x590 [ 175.767919][ C0] put_task_stack+0xa3/0x130 [ 175.772498][ C0] finish_task_switch+0x3f1/0x550 [ 175.777519][ C0] __schedule+0x9a8/0xcc0 [ 175.781849][ C0] ? ___preempt_schedule+0x16/0x18 [ 175.786952][ C0] preempt_schedule+0xdb/0x120 [ 175.791710][ C0] ___preempt_schedule+0x16/0x18 [ 175.796643][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 175.801313][ C0] ? vprintk_emit+0x368/0x3a0 [ 175.805981][ C0] vprintk_emit+0x36d/0x3a0 [ 175.810483][ C0] vprintk_default+0x28/0x30 [ 175.815066][ C0] vprintk_func+0x158/0x170 [ 175.819561][ C0] printk+0x62/0x8d [ 175.823364][ C0] ? addrconf_notify+0xd37/0x3c90 [ 175.828375][ C0] ? addrconf_notify+0x779/0x3c90 [ 175.833391][ C0] addrconf_notify+0x2c8d/0x3c90 [ 175.838322][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 175.843596][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 175.848966][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 175.854501][ C0] ? trace_hardirqs_on+0x74/0x80 [ 175.859427][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 175.864785][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 175.870321][ C0] ? tls_dev_event+0x619/0xc00 [ 175.875078][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 175.880617][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 175.885816][ C0] raw_notifier_call_chain+0xec/0x190 [ 175.891190][ C0] netdev_state_change+0x147/0x1f0 [ 175.896302][ C0] linkwatch_do_dev+0x10e/0x160 [ 175.901149][ C0] __linkwatch_run_queue+0x446/0x730 [ 175.906434][ C0] linkwatch_event+0x4c/0x60 [ 175.911021][ C0] process_one_work+0x7ef/0x10d0 [ 175.915972][ C0] worker_thread+0xc01/0x1630 [ 175.920665][ C0] kthread+0x332/0x350 [ 175.924724][ C0] ? rcu_lock_release+0x30/0x30 [ 175.929667][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.934246][ C0] ret_from_fork+0x24/0x30