[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.889441][ T26] audit: type=1800 audit(1578449212.362:25): pid=8455 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.916775][ T26] audit: type=1800 audit(1578449212.362:26): pid=8455 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.954730][ T26] audit: type=1800 audit(1578449212.362:27): pid=8455 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 '10.128.10.58' (ECDSA) to the list of known hosts. 2020/01/08 02:07:01 fuzzer started 2020/01/08 02:07:03 dialing manager at 10.128.0.26:35703 2020/01/08 02:07:03 syscalls: 2824 2020/01/08 02:07:03 code coverage: enabled 2020/01/08 02:07:03 comparison tracing: enabled 2020/01/08 02:07:03 extra coverage: enabled 2020/01/08 02:07:03 setuid sandbox: enabled 2020/01/08 02:07:03 namespace sandbox: enabled 2020/01/08 02:07:03 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:07:03 fault injection: enabled 2020/01/08 02:07:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:07:03 net packet injection: enabled 2020/01/08 02:07:03 net device setup: enabled 2020/01/08 02:07:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:07:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:07:04 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = shmget(0x1, 0x2000, 0x6f74ec1965c2642f, &(0x7f0000ffc000/0x2000)=nil) shmctl$IPC_INFO(r0, 0x3, &(0x7f0000000280)=""/121) socket$inet(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x80000000000002, &(0x7f00000005c0)=0x16c, 0x4) setsockopt$inet_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000780)={@in={{0x2, 0x0, @local}}, 0x0, 0x9, 0x2}, 0xd8) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000140), &(0x7f0000000200)=0x4) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000000100), 0x4) recvmsg(r1, &(0x7f0000000240)={0x0, 0xfffffffffffffd83, &(0x7f0000000180)=[{&(0x7f0000003ac0)=""/4096, 0x5801}], 0x1}, 0x100) write$binfmt_elf64(r1, &(0x7f0000002300)=ANY=[@ANYRES64], 0x1000001bd) dup(r1) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000180)=0x74000000, 0x5) 02:07:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ppp\x00', 0x200000, 0x0) r2 = dup2(r1, r1) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @ppp={{0x8, 0x1, 'ppp\x00'}, {0xc, 0x2, {0x8, 0x1, r2}}}}]}, 0x38}}, 0x0) syzkaller login: [ 65.806822][ T8622] IPVS: ftp: loaded support on port[0] = 21 [ 65.889702][ T8624] IPVS: ftp: loaded support on port[0] = 21 [ 65.951926][ T8622] chnl_net:caif_netlink_parms(): no params data found [ 66.043039][ T8622] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.054619][ T8622] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.063045][ T8622] device bridge_slave_0 entered promiscuous mode [ 66.080834][ T8622] bridge0: port 2(bridge_slave_1) entered blocking state 02:07:04 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xa, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x4c}, [@ldst={0x5, 0x5, 0x5}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x3}, 0x48) [ 66.090322][ T8622] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.099323][ T8622] device bridge_slave_1 entered promiscuous mode [ 66.125387][ T8622] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.137870][ T8622] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.156873][ T8624] chnl_net:caif_netlink_parms(): no params data found [ 66.184481][ T8622] team0: Port device team_slave_0 added [ 66.198920][ T8622] team0: Port device team_slave_1 added [ 66.270869][ T8622] device hsr_slave_0 entered promiscuous mode 02:07:04 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000140)="0800b5055e0bcfe87b0071") unshare(0x2000400) r1 = epoll_create1(0x0) r2 = fcntl$dupfd(r1, 0x2, 0xffffffffffffffff) r3 = fanotify_init(0x0, 0x0) r4 = epoll_create1(0x0) r5 = fcntl$dupfd(r4, 0x2, 0xffffffffffffffff) fanotify_mark(r3, 0x51, 0x8000038, r5, 0x0) fanotify_mark(r3, 0x36, 0x8000000, r2, 0x0) [ 66.386887][ T8622] device hsr_slave_1 entered promiscuous mode [ 66.478076][ T8624] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.485163][ T8624] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.507616][ T8624] device bridge_slave_0 entered promiscuous mode [ 66.530833][ T8628] IPVS: ftp: loaded support on port[0] = 21 [ 66.540120][ T8624] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.566687][ T8624] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.574608][ T8624] device bridge_slave_1 entered promiscuous mode 02:07:05 executing program 4: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$vga_arbiter(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x0, 0x0, 0x0, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x8}, 0x10}, 0x70) ioctl$TUNSETVNETHDRSZ(0xffffffffffffffff, 0x400454d8, &(0x7f0000000180)) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) dup(r0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000540)=0x0) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x3fbb, 0x9}, 0x2}, r1, 0x0, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, 0x0) keyctl$revoke(0x3, 0x0) keyctl$get_security(0x11, 0x0, &(0x7f0000000340)=""/185, 0xb) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r3, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6ead74ed8a60ab563e98b4b2a3d27a7082dbb78abd55fba3da80b856445ab100621d6234555c08dc540473786cd89e9b08e3f5972fe9ca162b123e19268c89c9dd81c796f27f537cc5a3fb54aff8eaf5b96a6711d4679079d00"/131], 0x15) r4 = dup(r3) prctl$PR_SET_NAME(0xf, &(0x7f0000000500)='9p\x00') write$FUSE_BMAP(r4, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r4, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r2, @ANYBLOB=',wfdno=', @ANYRESHEX=r3, @ANYBLOB="2c04"]) umount2(&(0x7f00000001c0)='./file0\x00', 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) [ 66.607430][ T8630] IPVS: ftp: loaded support on port[0] = 21 [ 66.680543][ T8624] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.729931][ T8624] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.801996][ T8622] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.862608][ T8624] team0: Port device team_slave_0 added [ 66.873926][ T8622] netdevsim netdevsim0 netdevsim1: renamed from eth1 02:07:05 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 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) mlockall(0x7) [ 66.928505][ T8622] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.971798][ T8622] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.071619][ T8624] team0: Port device team_slave_1 added [ 67.072171][ T8632] IPVS: ftp: loaded support on port[0] = 21 [ 67.189176][ T8624] device hsr_slave_0 entered promiscuous mode [ 67.227740][ T8624] device hsr_slave_1 entered promiscuous mode [ 67.296976][ T8624] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.304863][ T8624] Cannot create hsr debugfs directory [ 67.314202][ T8628] chnl_net:caif_netlink_parms(): no params data found [ 67.368306][ T8634] IPVS: ftp: loaded support on port[0] = 21 [ 67.419172][ T8628] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.426393][ T8628] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.434495][ T8628] device bridge_slave_0 entered promiscuous mode [ 67.442347][ T8630] chnl_net:caif_netlink_parms(): no params data found [ 67.480331][ T8628] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.487741][ T8628] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.495617][ T8628] device bridge_slave_1 entered promiscuous mode [ 67.536767][ T8628] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.551953][ T8628] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.604012][ T8624] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.662327][ T8624] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.731148][ T8624] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.799747][ T8624] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.882514][ T8630] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.890028][ T8630] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.897974][ T8630] device bridge_slave_0 entered promiscuous mode [ 67.907705][ T8628] team0: Port device team_slave_0 added [ 67.942022][ T8630] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.949884][ T8630] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.958156][ T8630] device bridge_slave_1 entered promiscuous mode [ 67.977404][ T8630] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.989526][ T8628] team0: Port device team_slave_1 added [ 68.025274][ T8630] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.041781][ T8622] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.090657][ T8632] chnl_net:caif_netlink_parms(): no params data found [ 68.101194][ T8634] chnl_net:caif_netlink_parms(): no params data found [ 68.118205][ T8622] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.134155][ T8630] team0: Port device team_slave_0 added [ 68.145578][ T8630] team0: Port device team_slave_1 added [ 68.156049][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.164836][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.173100][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.182100][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.191678][ T2954] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.198875][ T2954] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.269454][ T8628] device hsr_slave_0 entered promiscuous mode [ 68.307011][ T8628] device hsr_slave_1 entered promiscuous mode [ 68.366730][ T8628] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.374344][ T8628] Cannot create hsr debugfs directory [ 68.401164][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.410607][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.419973][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.428529][ T2725] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.435577][ T2725] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.509325][ T8630] device hsr_slave_0 entered promiscuous mode [ 68.577502][ T8630] device hsr_slave_1 entered promiscuous mode [ 68.626761][ T8630] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.634467][ T8630] Cannot create hsr debugfs directory [ 68.684192][ T8634] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.692470][ T8634] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.700676][ T8634] device bridge_slave_0 entered promiscuous mode [ 68.735045][ T8632] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.742670][ T8632] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.750690][ T8632] device bridge_slave_0 entered promiscuous mode [ 68.763113][ T8632] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.770705][ T8632] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.781888][ T8632] device bridge_slave_1 entered promiscuous mode [ 68.790030][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.798857][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.813157][ T8634] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.820762][ T8634] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.831297][ T8634] device bridge_slave_1 entered promiscuous mode [ 68.883519][ T8634] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.894154][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.902848][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.912364][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.921595][ T8632] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.939070][ T8634] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.962802][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.972130][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.982539][ T8632] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.042692][ T8632] team0: Port device team_slave_0 added [ 69.052275][ T8632] team0: Port device team_slave_1 added [ 69.111237][ T8632] device hsr_slave_0 entered promiscuous mode [ 69.167023][ T8632] device hsr_slave_1 entered promiscuous mode [ 69.206777][ T8632] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.214378][ T8632] Cannot create hsr debugfs directory [ 69.222024][ T3173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.230988][ T3173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.243672][ T8628] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.291570][ T8634] team0: Port device team_slave_0 added [ 69.300345][ T8624] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.310931][ T8622] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.322283][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.334027][ T8628] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.380058][ T8628] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.441670][ T8634] team0: Port device team_slave_1 added [ 69.447982][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.456327][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.479547][ T8628] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.555814][ T8630] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.613063][ T8630] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.665110][ T8630] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.714135][ T8630] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.839566][ T8634] device hsr_slave_0 entered promiscuous mode [ 69.878880][ T8634] device hsr_slave_1 entered promiscuous mode [ 69.916960][ T8634] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.924750][ T8634] Cannot create hsr debugfs directory [ 69.932796][ T8624] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.940014][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.947884][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.955585][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.963448][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.994093][ T8622] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.020433][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.030793][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.041413][ T2725] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.048544][ T2725] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.084861][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.093478][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.102119][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.110734][ T2725] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.117826][ T2725] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.125688][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.134275][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.142740][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.151333][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.181573][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.197848][ T8632] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.242877][ T8624] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.253520][ T8624] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.265466][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.274890][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.283536][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.291969][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.300758][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.309375][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.338234][ T8632] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.386971][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.394584][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.403788][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.412902][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.420683][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.443334][ T8622] device veth0_vlan entered promiscuous mode [ 70.453689][ T8632] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.488601][ T8632] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.521103][ T3173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.529421][ T3173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.539094][ T3173] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.547025][ T3173] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.562734][ T8624] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.590745][ T8622] device veth1_vlan entered promiscuous mode [ 70.603264][ T8634] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.662431][ T8634] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.714323][ T8628] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.742683][ T8628] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.751293][ T8634] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.798931][ T8634] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.839522][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.848347][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.856249][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.863989][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.893789][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.917809][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.926384][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.935799][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.944309][ T2726] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.951449][ T2726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.981949][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.013055][ T8630] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.035051][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.056260][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.067309][ T2725] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.074413][ T2725] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.089811][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.101381][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.113088][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.128041][ T8624] device veth0_vlan entered promiscuous mode [ 71.144405][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.153519][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 176.176540][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.183386][ C0] rcu: 0-...!: (1 GPs behind) idle=362/1/0x4000000000000002 softirq=13320/13327 fqs=11 [ 176.193349][ C0] (t=10500 jiffies g=7049 q=106) [ 176.198369][ C0] rcu: rcu_preempt kthread starved for 10474 jiffies! g7049 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.209451][ C0] rcu: RCU grace-period kthread stack dump: [ 176.215330][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.223222][ C0] Call Trace: [ 176.226515][ C0] __schedule+0x9a0/0xcc0 [ 176.230857][ C0] schedule+0x181/0x210 [ 176.235006][ C0] schedule_timeout+0x14f/0x240 [ 176.239851][ C0] ? run_local_timers+0x120/0x120 [ 176.244877][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.249640][ C0] kthread+0x332/0x350 [ 176.253830][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.258949][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.263539][ C0] ret_from_fork+0x24/0x30 [ 176.267960][ C0] NMI backtrace for cpu 0 [ 176.272311][ C0] CPU: 0 PID: 8641 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.280895][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.290962][ C0] Call Trace: [ 176.294249][ C0] [ 176.297113][ C0] dump_stack+0x1fb/0x318 [ 176.301467][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.311878][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.318049][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.324145][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.330129][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.336013][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.341123][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.346314][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.351360][ C0] update_process_times+0x12d/0x180 [ 176.356555][ C0] tick_sched_timer+0x263/0x420 [ 176.361398][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.366933][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.372138][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.377084][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.382361][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.387902][ C0] apic_timer_interrupt+0xf/0x20 [ 176.392827][ C0] [ 176.395757][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x50 [ 176.401915][ C0] Code: 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 <8b> 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a c3 0f 1f [ 176.421691][ C0] RSP: 0018:ffffc90002217898 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.430091][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff8880a6c84040 [ 176.438052][ C0] RDX: ffffc90001ef9000 RSI: 000000000003ffff RDI: 0000000000040000 [ 176.446015][ C0] RBP: ffffc900022178c0 R08: 000000000003a728 R09: ffffed1012c5a6b1 [ 176.454043][ C0] R10: ffffed1012c5a6b1 R11: 0000000000000000 R12: dffffc0000000000 [ 176.462003][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880962d3578 [ 176.469979][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.475351][ C0] ? free_thread_stack+0x124/0x590 [ 176.480496][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.485863][ C0] free_thread_stack+0x168/0x590 [ 176.490813][ C0] put_task_stack+0xa3/0x130 [ 176.495398][ C0] finish_task_switch+0x3f1/0x550 [ 176.500422][ C0] __schedule+0x9a8/0xcc0 [ 176.504771][ C0] ? prepare_task_switch+0x43f/0x640 [ 176.510045][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.515146][ C0] preempt_schedule+0xdb/0x120 [ 176.519916][ C0] ? text_poke_bp_batch+0x470/0x470 [ 176.525106][ C0] ___preempt_schedule+0x16/0x18 [ 176.530034][ C0] ? on_each_cpu+0x1a7/0x1f0 [ 176.534614][ C0] ? on_each_cpu+0x1cd/0x1f0 [ 176.539193][ C0] on_each_cpu+0x1d2/0x1f0 [ 176.543599][ C0] text_poke_bp_batch+0x162/0x470 [ 176.548612][ C0] ? arch_jump_label_transform_queue+0x21f/0x3f0 [ 176.554932][ C0] arch_jump_label_transform_apply+0x2d/0x50 [ 176.560902][ C0] __jump_label_update+0x371/0x390 [ 176.566008][ C0] jump_label_update+0x38e/0x410 [ 176.570940][ C0] static_key_enable_cpuslocked+0x130/0x240 [ 176.576823][ C0] static_key_enable+0x1a/0x30 [ 176.581579][ C0] perf_event_alloc+0x228c/0x27d0 [ 176.586609][ C0] __se_sys_perf_event_open+0x6e3/0x41c0 [ 176.592241][ C0] ? __might_fault+0x81/0x160 [ 176.596910][ C0] ? check_preemption_disabled+0xb4/0x260 [ 176.602631][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 176.608344][ C0] __x64_sys_perf_event_open+0xbf/0xd0 [ 176.613796][ C0] do_syscall_64+0xf7/0x1c0 [ 176.618327][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.624237][ C0] RIP: 0033:0x45af49 [ 176.628147][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.647741][ C0] RSP: 002b:00007ff537e08c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 176.656228][ C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045af49 [ 176.664189][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 176.672170][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 176.680140][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007ff537e096d4 [ 176.688105][ C0] R13: 00000000004c906d R14: 00000000004e18a8 R15: 00000000ffffffff