[ 40.206828][ T23] audit: type=1800 audit(1575450023.873:27): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.206847][ T23] audit: type=1800 audit(1575450023.883:28): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.797094][ T23] audit: type=1800 audit(1575450024.513:29): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.816449][ T23] audit: type=1800 audit(1575450024.513:30): pid=7932 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts. 2019/12/04 09:00:34 fuzzer started 2019/12/04 09:00:35 dialing manager at 10.128.0.26:36481 2019/12/04 09:00:35 syscalls: 2691 2019/12/04 09:00:35 code coverage: enabled 2019/12/04 09:00:35 comparison tracing: enabled 2019/12/04 09:00:35 extra coverage: extra coverage is not supported by the kernel 2019/12/04 09:00:35 setuid sandbox: enabled 2019/12/04 09:00:35 namespace sandbox: enabled 2019/12/04 09:00:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 09:00:35 fault injection: enabled 2019/12/04 09:00:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 09:00:35 net packet injection: enabled 2019/12/04 09:00:35 net device setup: enabled 2019/12/04 09:00:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 09:00:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:00:36 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) ioctl$sock_inet6_SIOCSIFADDR(0xffffffffffffffff, 0x8916, &(0x7f00000000c0)={@mcast2, 0x81}) sched_setaffinity(0x0, 0x8, &(0x7f0000000580)=0x800000d) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x10000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x4, 0xa, &(0x7f0000000240)=ANY=[@ANYBLOB="0500db44c7450000bf7ce676b30007000008000000b4060000ffffffff2d020000000000e556b35eb800650404000100000004040000850000001f000001b700e41400"/86], 0x0}, 0x48) socket$inet6(0xa, 0x2, 0xfd9) ioctl(r1, 0x10001, &(0x7f0000000100)="153f6234488dd25d766070") socketpair$unix(0x1, 0xffffffffffffffff, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = socket(0xa, 0x3, 0x8) r6 = dup3(r1, r4, 0x80000) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x2000, 0x6, 0x18, 0x5, "18a9210bc37be427b4f3d63a86f3dae2324d418754479060929502d642aa0e14c9851e95149de895bdab67322ea0f5e60c4774ac4d1ea5fb44481c78201cb008", "54209fc735bfd5080872bbc8a574d47cb1ba21d2bbc8113e93b7af04ae69a145", [0x1ff, 0x8]}) r7 = syz_open_dev$amidi(&(0x7f0000000340)='/dev/amidi#\x00', 0x9c4, 0x70000) ioctl$TIOCGSID(r7, 0x5429, &(0x7f0000000400)=0x0) ioctl$sock_FIOSETOWN(r4, 0x8901, &(0x7f00000002c0)=r8) ioctl$sock_inet_SIOCSIFFLAGS(r5, 0x89a2, &(0x7f0000000180)={'bridge0\x00\x00\x01\x00', 0x4}) setsockopt$IP_VS_SO_SET_DELDEST(r5, 0x0, 0x488, &(0x7f0000000080)={{0x6c, @remote, 0x4e24, 0x0, 'lblcr\x00', 0x1e, 0x0, 0x13}, {@remote, 0x4e21, 0x7, 0xffff, 0x7f, 0x2}}, 0x44) r9 = memfd_create(&(0x7f0000000140)='+\x8b\x8a\x16\x11O\xdd\xdfk(F\x99\xdf\x92\xd5>oJ\x02\x05\x00\x00\x00\xac', 0x0) ioctl$KDGKBDIACR(r6, 0x4b4a, &(0x7f00000005c0)=""/188) write$binfmt_misc(r7, &(0x7f0000000380)=ANY=[@ANYRESHEX=r3, @ANYRESHEX=r5], 0x24) write$P9_RSYMLINK(r2, &(0x7f00000001c0)={0x14, 0x11, 0x2, {0x0, 0x4, 0x2}}, 0x14) close(r4) r10 = dup3(r3, r9, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r10, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)}}, 0x20) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd0000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000abe000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[]}}, 0x0) r11 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r11, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000003c0)=@ipv4_newrule={0x2c, 0x20, 0xf29, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, [@FRA_GENERIC_POLICY=@FRA_UID_RANGE={0xc}]}, 0x2c}}, 0x0) 09:00:36 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)={0x1c, 0x2, 0x1, 0xfffffffffffffffd, 0x0, 0x0, {}, [@nested={0x8, 0x8, [@generic="06"]}]}, 0x1c}}, 0x0) syzkaller login: [ 53.163999][ T8095] IPVS: ftp: loaded support on port[0] = 21 09:00:37 executing program 2: r0 = socket$inet(0x2, 0x2, 0x2200000088) bind$inet(r0, &(0x7f0000000040)={0x2, 0x1004e20, @local}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x8084, &(0x7f0000000200)={0x2, 0x4e20}, 0x10) setsockopt$inet_udp_int(r0, 0x11, 0xa, &(0x7f0000000c00)=0x2, 0x4) sendto$inet(r0, &(0x7f00000000c0)="da", 0x1, 0x0, 0x0, 0x0) recvfrom$inet(r0, 0x0, 0xfffffffffffffd8b, 0x0, 0x0, 0x0) [ 53.313123][ T8098] IPVS: ftp: loaded support on port[0] = 21 [ 53.325409][ T8095] chnl_net:caif_netlink_parms(): no params data found [ 53.398816][ T8095] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.408605][ T8095] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.418233][ T8095] device bridge_slave_0 entered promiscuous mode [ 53.436320][ T8095] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.443764][ T8095] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.451680][ T8095] device bridge_slave_1 entered promiscuous mode [ 53.513290][ T8095] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.545214][ T8095] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.556612][ T8101] IPVS: ftp: loaded support on port[0] = 21 [ 53.575200][ T8095] team0: Port device team_slave_0 added [ 53.581200][ T8098] chnl_net:caif_netlink_parms(): no params data found [ 53.606476][ T8095] team0: Port device team_slave_1 added 09:00:37 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20\x00', 0x0, 0x0) flistxattr(r2, 0x0, 0x0) [ 53.706564][ T8095] device hsr_slave_0 entered promiscuous mode [ 53.744338][ T8095] device hsr_slave_1 entered promiscuous mode [ 53.792473][ T8098] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.805723][ T8098] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.824384][ T8098] device bridge_slave_0 entered promiscuous mode [ 53.834853][ T8098] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.841953][ T8098] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.856466][ T8098] device bridge_slave_1 entered promiscuous mode [ 53.872921][ T8103] IPVS: ftp: loaded support on port[0] = 21 09:00:37 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e20}, 0x10) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000016ffc)=0xfffff7fffffffffd, 0x4) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000000080)=0x1004, 0x4) bind$inet(r0, &(0x7f0000008ff0)={0x2, 0x4e20, @multicast1}, 0x10) listen(r1, 0x0) [ 53.939701][ T8098] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.010775][ T8095] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.079109][ T8095] netdevsim netdevsim0 netdevsim1: renamed from eth1 09:00:37 executing program 5: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f00000001c0)={0x26, 'hash\x00', 0x0, 0x0, 'crc32-pclmul\x00'}, 0x58) r3 = accept4$alg(r2, 0x0, 0x0, 0x0) write$binfmt_elf64(r1, &(0x7f0000000040)=ANY=[@ANYPTR64, @ANYRESOCT=0x0, @ANYRESOCT, @ANYRES16, @ANYRESOCT, @ANYRESDEC=0x0], 0x63) readv(r0, &(0x7f0000001600)=[{&(0x7f0000000240)=""/77, 0x4d}], 0x1) splice(r0, 0x0, r3, 0x0, 0x20000000003, 0x0) [ 54.129175][ T8098] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.161330][ T8095] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.172229][ T8106] IPVS: ftp: loaded support on port[0] = 21 [ 54.240995][ T8095] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.320303][ T8098] team0: Port device team_slave_0 added [ 54.329194][ T8098] team0: Port device team_slave_1 added [ 54.338541][ T8101] chnl_net:caif_netlink_parms(): no params data found [ 54.356388][ T8095] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.363511][ T8095] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.371147][ T8095] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.378233][ T8095] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.399532][ T8108] IPVS: ftp: loaded support on port[0] = 21 [ 54.486667][ T8098] device hsr_slave_0 entered promiscuous mode [ 54.545693][ T8098] device hsr_slave_1 entered promiscuous mode [ 54.584108][ T8098] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.593212][ T2731] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.612143][ T2731] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.650102][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.658233][ T8101] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.666063][ T8101] device bridge_slave_0 entered promiscuous mode [ 54.674686][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.681753][ T8101] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.689661][ T8101] device bridge_slave_1 entered promiscuous mode [ 54.735613][ T8101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.747473][ T8101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.780525][ T8098] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.838101][ T8098] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.887264][ T8098] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.951215][ T8101] team0: Port device team_slave_0 added [ 54.971338][ T8098] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.998387][ T8101] team0: Port device team_slave_1 added [ 55.041938][ T8108] chnl_net:caif_netlink_parms(): no params data found [ 55.077812][ T8103] chnl_net:caif_netlink_parms(): no params data found [ 55.195614][ T8101] device hsr_slave_0 entered promiscuous mode [ 55.244372][ T8101] device hsr_slave_1 entered promiscuous mode [ 55.284099][ T8101] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.309433][ T8108] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.317662][ T8108] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.327221][ T8108] device bridge_slave_0 entered promiscuous mode [ 55.349263][ T8103] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.356462][ T8103] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.364046][ T8103] device bridge_slave_0 entered promiscuous mode [ 55.371182][ T8108] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.379233][ T8108] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.389048][ T8108] device bridge_slave_1 entered promiscuous mode [ 55.397639][ T8106] chnl_net:caif_netlink_parms(): no params data found [ 55.432851][ T8095] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.440264][ T8103] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.447801][ T8103] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.455619][ T8103] device bridge_slave_1 entered promiscuous mode [ 55.493188][ T8106] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.500850][ T8106] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.508898][ T8106] device bridge_slave_0 entered promiscuous mode [ 55.519162][ T8103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.529096][ T8101] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.581080][ T8106] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.589151][ T8106] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.597248][ T8106] device bridge_slave_1 entered promiscuous mode [ 55.606402][ T8103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.621418][ T8108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.632827][ T8108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.642046][ T8101] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.686137][ T8101] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.760825][ T8095] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.768444][ T8101] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.837837][ T8103] team0: Port device team_slave_0 added [ 55.846172][ T8106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.857218][ T8108] team0: Port device team_slave_0 added [ 55.864195][ T8106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.874495][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.882813][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.900740][ T8103] team0: Port device team_slave_1 added [ 55.908297][ T8108] team0: Port device team_slave_1 added [ 55.926289][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.935160][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.943398][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.950468][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.958175][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.967651][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.976219][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.983291][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.007161][ T8098] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.066789][ T8103] device hsr_slave_0 entered promiscuous mode [ 56.104496][ T8103] device hsr_slave_1 entered promiscuous mode [ 56.144167][ T8103] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.156512][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.165467][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.173836][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.182664][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.191615][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.199272][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.207180][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.256747][ T8108] device hsr_slave_0 entered promiscuous mode [ 56.294401][ T8108] device hsr_slave_1 entered promiscuous mode [ 56.354127][ T8108] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.370010][ T8095] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.381224][ T8095] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.394391][ T8106] team0: Port device team_slave_0 added [ 56.408070][ T8098] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.418513][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.428114][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.437951][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.446525][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.455520][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.463705][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.494330][ T8106] team0: Port device team_slave_1 added [ 56.506576][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.514532][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.521886][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.556325][ T8095] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.568606][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.577983][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.586683][ T2731] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.593722][ T2731] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.602545][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.611618][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.620195][ T2731] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.627275][ T2731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.635956][ T8108] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 56.685378][ T8103] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.745717][ T8103] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 56.866896][ T8106] device hsr_slave_0 entered promiscuous mode [ 56.925429][ T8106] device hsr_slave_1 entered promiscuous mode [ 56.974650][ T8106] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.982301][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.990431][ T8108] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 57.037862][ T8103] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.087962][ T8103] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.187398][ T8108] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 57.372041][ C1] hrtimer: interrupt took 48949 ns [ 162.203911][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.210690][ C0] rcu: 0-...!: (10499 ticks this GP) idle=426/1/0x4000000000000002 softirq=9580/9580 fqs=45 [ 162.221066][ C0] (t=10501 jiffies g=5989 q=96) [ 162.225990][ C0] rcu: rcu_preempt kthread starved for 10412 jiffies! g5989 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.237071][ C0] rcu: RCU grace-period kthread stack dump: [ 162.242941][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 162.250827][ C0] Call Trace: [ 162.254110][ C0] __schedule+0x9a0/0xcc0 [ 162.258435][ C0] schedule+0x181/0x210 [ 162.262581][ C0] schedule_timeout+0x14f/0x240 [ 162.267417][ C0] ? run_local_timers+0x120/0x120 [ 162.272434][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.277196][ C0] kthread+0x332/0x350 [ 162.281248][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.286345][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.290921][ C0] ret_from_fork+0x24/0x30 [ 162.295339][ C0] NMI backtrace for cpu 0 [ 162.299654][ C0] CPU: 0 PID: 7970 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 162.307346][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.317390][ C0] Call Trace: [ 162.320657][ C0] [ 162.323497][ C0] dump_stack+0x1fb/0x318 [ 162.327819][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.332655][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.338793][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.344844][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.350810][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.356684][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 162.361783][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 162.366967][ C0] ? trace_hardirqs_off+0x74/0x80 [ 162.371979][ C0] update_process_times+0x12d/0x180 [ 162.377167][ C0] tick_sched_timer+0x263/0x420 [ 162.382005][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.387539][ C0] __hrtimer_run_queues+0x403/0x840 [ 162.392736][ C0] hrtimer_interrupt+0x38c/0xda0 [ 162.397674][ C0] ? debug_smp_processor_id+0x9/0x20 [ 162.402946][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 162.408477][ C0] apic_timer_interrupt+0xf/0x20 [ 162.413392][ C0] [ 162.416322][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 162.422373][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 3c cd 07 48 89 de e8 d4 01 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 8b 7e f7 c2 [ 162.441962][ C0] RSP: 0018:ffffc90001a47a28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.450358][ C0] RAX: 1ffff110130ffd21 RBX: ffffea00023e4e40 RCX: 0000000000000000 [ 162.458336][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023e4e40 [ 162.466315][ C0] RBP: ffffc90001a47a50 R08: 000000000003a728 R09: ffffed1015068ea7 [ 162.474287][ C0] R10: ffffed1015068ea7 R11: 0000000000000000 R12: ffff8880987fe9a0 [ 162.482252][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8347528 [ 162.490233][ C0] ? free_thread_stack+0x124/0x590 [ 162.495332][ C0] ? mod_memcg_page_state+0x16/0x190 [ 162.500636][ C0] free_thread_stack+0x168/0x590 [ 162.505573][ C0] put_task_stack+0xa3/0x130 [ 162.510154][ C0] finish_task_switch+0x3f1/0x550 [ 162.515189][ C0] __schedule+0x9a8/0xcc0 [ 162.519530][ C0] schedule+0x181/0x210 [ 162.523690][ C0] do_syslog+0xdc7/0x1740 [ 162.528037][ C0] ? init_wait_entry+0xe0/0xe0 [ 162.532794][ C0] kmsg_read+0x94/0xd0 [ 162.536847][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 162.541769][ C0] proc_reg_read+0x1e2/0x2d0 [ 162.546349][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 162.551272][ C0] __vfs_read+0xb8/0x730 [ 162.555509][ C0] ? security_file_permission+0x23c/0x350 [ 162.561220][ C0] ? rw_verify_area+0x1c2/0x360 [ 162.566061][ C0] vfs_read+0x1dd/0x420 [ 162.570208][ C0] ksys_read+0x117/0x220 [ 162.574440][ C0] __x64_sys_read+0x7b/0x90 [ 162.578932][ C0] do_syscall_64+0xf7/0x1c0 [ 162.583420][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.589297][ C0] RIP: 0033:0x7fa48cbe61fd [ 162.593699][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 162.613428][ C0] RSP: 002b:00007fa48a185e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 162.621843][ C0] RAX: ffffffffffffffda RBX: 00000000019ea650 RCX: 00007fa48cbe61fd [ 162.630360][ C0] RDX: 0000000000000fff RSI: 00007fa48b9ba5a0 RDI: 0000000000000004 [ 162.638318][ C0] RBP: 0000000000000000 R08: 00000000019d5260 R09: 0000000000000000 [ 162.646322][ C0] R10: 203a7463656a626f R11: 0000000000000293 R12: 000000000065e420 [ 162.654292][ C0] R13: 00007fa48a1869c0 R14: 00007fa48d22b040 R15: 0000000000000003