[ 42.495380][ T23] audit: type=1800 audit(1575389246.829:26): pid=8006 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.515861][ T23] audit: type=1800 audit(1575389246.829:27): pid=8006 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.538900][ T23] audit: type=1800 audit(1575389246.829:28): pid=8006 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. [ 43.399927][ T23] audit: type=1800 audit(1575389247.759:29): pid=8006 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.12' (ECDSA) to the list of known hosts. 2019/12/03 16:07:38 fuzzer started 2019/12/03 16:07:40 dialing manager at 10.128.0.26:45711 2019/12/03 16:07:40 syscalls: 2689 2019/12/03 16:07:40 code coverage: enabled 2019/12/03 16:07:40 comparison tracing: enabled 2019/12/03 16:07:40 extra coverage: extra coverage is not supported by the kernel 2019/12/03 16:07:40 setuid sandbox: enabled 2019/12/03 16:07:40 namespace sandbox: enabled 2019/12/03 16:07:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 16:07:40 fault injection: enabled 2019/12/03 16:07:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 16:07:40 net packet injection: enabled 2019/12/03 16:07:40 net device setup: enabled 2019/12/03 16:07:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 16:07:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:07:41 executing program 0: syz_mount_image$bfs(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x2000, 0x0) 16:07:41 executing program 1: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0x3, &(0x7f0000001fd8)=ANY=[@ANYBLOB="850000002a00000084000000000000009500000000000000"], &(0x7f0000000180)='EP\xd4\x00\x1f\x91\xeb/W\xb72$C0%\x03\x9c0\x96\xb2\fkC\x93H\xbfh\x9c\b`\x857\xd6\">c\xad\xc0bO\xba\xe2\xe1\t5\x9d\xcei\"2L\xcc\x13\x16\vh\xca\xe6C\x06\x97%\x9d\xd5-\x1fs\xe1j\xdc5\x92\xd0)%\xdf\xfa\xe8^\x9c\xd29\x8clg\xc8\x7f\xb5\xb1&\x02\xf1E\xb4\x84\xbeE\x91)f\xe8\xb7\xe2\xf6`i\xc5m\xd7l\x1d\xc1\x12\x01<:kM\xe9\x99\xcd\xcd\xc8\x85Z\xee47\xdc\xc8u\x80\xcf\xbeTo\xbb\xfb\xc0\xebV\xd8\xbb\xbe\xa2\x90J|s\xc2'}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000740)={r0, 0xc0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000300)={r1}, 0xc) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000001c0)={r2, 0x0, 0xe, 0x0, &(0x7f0000000100)="263abd03d8ee2fe50655a15c88a8", 0x0, 0x3ff, 0x0, 0x0, 0x500, 0x0, &(0x7f0000000240)="15"}, 0x40) syzkaller login: [ 57.519811][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 57.548836][ T8171] IPVS: ftp: loaded support on port[0] = 21 16:07:42 executing program 2: recvmmsg(0xffffffffffffffff, &(0x7f0000004c80)=[{{0x0, 0x0, &(0x7f0000001e80)=[{&(0x7f0000000cc0)=""/63, 0x3f}], 0x1}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00') preadv(r0, &(0x7f00000017c0), 0x1000000000000277, 0x5e) [ 57.766952][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 57.828287][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 57.851780][ T8175] IPVS: ftp: loaded support on port[0] = 21 16:07:42 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') preadv(r0, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000000)={'HL\x00'}, &(0x7f0000000040)=0x1e) ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f0000000180)=0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') preadv(r2, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000240)={{{@in6=@initdev, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @initdev}}, 0x0, @in=@broadcast}}, &(0x7f0000000340)=0xe8) r5 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r6) r7 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r8) r9 = geteuid() lstat(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fsetxattr$system_posix_acl(0xffffffffffffffff, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f0000000500)={{}, {0x1, 0xf}, [{0x2, 0x1, r1}, {0x2, 0x6, r3}, {0x2, 0x1, r4}, {0x2, 0x3, r6}, {0x2, 0x6, r8}, {0x2, 0x4, r9}], {0x4, 0x4}, [{0x8, 0x4, r10}, {0x8, 0x4, r11}], {0x10, 0x9591b2cd66e2f198}, {0x20, 0x1}}, 0x64, 0x1) clone(0xffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) keyctl$set_reqkey_keyring(0xe, 0x2) request_key(&(0x7f0000000140)='user\x00', &(0x7f0000000100)={'syz', 0x1}, &(0x7f00000000c0)='+\x00', 0x0) [ 57.871717][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.888521][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.896572][ T8169] device bridge_slave_0 entered promiscuous mode [ 57.940259][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.947356][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.969307][ T8169] device bridge_slave_1 entered promiscuous mode [ 57.990730][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.010290][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.030072][ T8171] device bridge_slave_0 entered promiscuous mode [ 58.053021][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.062995][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.079352][ T8171] device bridge_slave_1 entered promiscuous mode [ 58.127976][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.139021][ T8177] IPVS: ftp: loaded support on port[0] = 21 [ 58.159453][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.172674][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 16:07:42 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41bf, 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 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 58.206631][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.247882][ T8169] team0: Port device team_slave_0 added [ 58.270814][ T8169] team0: Port device team_slave_1 added [ 58.308120][ T8171] team0: Port device team_slave_0 added [ 58.329339][ T8171] team0: Port device team_slave_1 added 16:07:42 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f0000000080), 0x1e8) [ 58.504501][ T8169] device hsr_slave_0 entered promiscuous mode [ 58.578665][ T8169] device hsr_slave_1 entered promiscuous mode [ 58.710785][ T8171] device hsr_slave_0 entered promiscuous mode [ 58.748878][ T8171] device hsr_slave_1 entered promiscuous mode [ 58.818556][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.835988][ T8180] IPVS: ftp: loaded support on port[0] = 21 [ 58.854232][ T8182] IPVS: ftp: loaded support on port[0] = 21 [ 58.867637][ T8175] chnl_net:caif_netlink_parms(): no params data found [ 58.963047][ T8169] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.009877][ T8171] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.062040][ T8171] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.135719][ T8169] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.201220][ T8169] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.242366][ T8169] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.300622][ T8171] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.342497][ T8175] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.349702][ T8175] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.357336][ T8175] device bridge_slave_0 entered promiscuous mode [ 59.371592][ T8175] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.379691][ T8175] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.387498][ T8175] device bridge_slave_1 entered promiscuous mode [ 59.394724][ T8171] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.467819][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 59.500451][ T8175] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.550014][ T8175] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.616992][ T8180] chnl_net:caif_netlink_parms(): no params data found [ 59.629665][ T8175] team0: Port device team_slave_0 added [ 59.637894][ T8175] team0: Port device team_slave_1 added [ 59.654361][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.663118][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.671454][ T8177] device bridge_slave_0 entered promiscuous mode [ 59.678628][ T8182] chnl_net:caif_netlink_parms(): no params data found [ 59.712222][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.719685][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.727210][ T8177] device bridge_slave_1 entered promiscuous mode [ 59.744539][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.755386][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.811202][ T8175] device hsr_slave_0 entered promiscuous mode [ 59.849034][ T8175] device hsr_slave_1 entered promiscuous mode [ 59.898589][ T8175] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.916589][ T8180] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.923800][ T8180] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.931814][ T8180] device bridge_slave_0 entered promiscuous mode [ 59.960417][ T8180] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.969726][ T8180] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.977359][ T8180] device bridge_slave_1 entered promiscuous mode [ 59.986328][ T8177] team0: Port device team_slave_0 added [ 59.995267][ T8177] team0: Port device team_slave_1 added [ 60.002663][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.012387][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.020346][ T8182] device bridge_slave_0 entered promiscuous mode [ 60.101233][ T8177] device hsr_slave_0 entered promiscuous mode [ 60.138772][ T8177] device hsr_slave_1 entered promiscuous mode [ 60.188609][ T8177] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.201375][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.209586][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.217149][ T8182] device bridge_slave_1 entered promiscuous mode [ 60.240669][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.253936][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.272972][ T8180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.289308][ T8180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.317269][ T8175] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.361587][ T8182] team0: Port device team_slave_0 added [ 60.369492][ T8182] team0: Port device team_slave_1 added [ 60.377897][ T8169] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.386487][ T8180] team0: Port device team_slave_0 added [ 60.401953][ T8175] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.454537][ T8175] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.530725][ T8175] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.582939][ T8180] team0: Port device team_slave_1 added [ 60.591061][ T8171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.606104][ T8177] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.711462][ T8182] device hsr_slave_0 entered promiscuous mode [ 60.749712][ T8182] device hsr_slave_1 entered promiscuous mode [ 60.788565][ T8182] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.796195][ T8177] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.860688][ T8177] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.893379][ T8177] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.991219][ T8180] device hsr_slave_0 entered promiscuous mode [ 61.028799][ T8180] device hsr_slave_1 entered promiscuous mode [ 61.068969][ T8180] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.087146][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.096078][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.107081][ T8171] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.136936][ T8169] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.148159][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.156340][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.189136][ T8182] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.233032][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.242191][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.250885][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.258033][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.265962][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.275250][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.283604][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.290664][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.298189][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.307079][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.315629][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.324388][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.332895][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.341698][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.351835][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.360248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.381393][ T8171] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.392062][ T8171] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.407670][ T8182] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.466087][ T8182] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.522562][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.531692][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.540870][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.549366][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.557413][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.566466][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.575098][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.582209][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.590285][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.597888][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.614417][ T8180] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.665229][ T8180] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.713220][ T8182] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.773226][ T8180] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.820507][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.829705][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.837990][ T2899] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.845128][ T2899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.852784][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.878507][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.887069][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.895884][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.904345][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.913712][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.922115][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.930379][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.944936][ T8171] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.954540][ T8180] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.036795][ T8169] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.048174][ T8169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.056582][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.065116][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.073198][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.080694][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.089340][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.143812][ T8177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.159640][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.167131][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.181309][ T8175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.215296][ T8169] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.231233][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.254068][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.267505][ T8177] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.314605][ T8177] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.330361][ T8177] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.366979][ T8177] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.278388][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.285157][ C0] rcu: 0-....: (1 GPs behind) idle=a26/1/0x4000000000000002 softirq=11533/11539 fqs=2741 [ 167.295391][ C0] (t=10500 jiffies g=6425 q=475) [ 167.300416][ C0] rcu: rcu_preempt kthread starved for 5002 jiffies! g6425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.311420][ C0] rcu: RCU grace-period kthread stack dump: [ 167.317319][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.325225][ C0] Call Trace: [ 167.328517][ C0] __schedule+0x9a0/0xcc0 [ 167.332842][ C0] schedule+0x181/0x210 [ 167.337018][ C0] schedule_timeout+0x14f/0x240 [ 167.341868][ C0] ? run_local_timers+0x120/0x120 [ 167.346891][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.351657][ C0] kthread+0x332/0x350 [ 167.355710][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.360833][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.365430][ C0] ret_from_fork+0x24/0x30 [ 167.369855][ C0] NMI backtrace for cpu 0 [ 167.374187][ C0] CPU: 0 PID: 8190 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 167.382426][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.392499][ C0] Call Trace: [ 167.396050][ C0] [ 167.398906][ C0] dump_stack+0x1fb/0x318 [ 167.403232][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.408091][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.414264][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.420373][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.426354][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.432242][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.437387][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.442587][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.447622][ C0] update_process_times+0x12d/0x180 [ 167.452841][ C0] tick_sched_timer+0x263/0x420 [ 167.457689][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.463409][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.468628][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.473582][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.478884][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.484427][ C0] apic_timer_interrupt+0xf/0x20 [ 167.489351][ C0] [ 167.492298][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 167.498458][ C0] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 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 [ 167.518164][ C0] RSP: 0018:ffffc900020573f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.526571][ C0] RAX: ffffffff81487326 RBX: ffffea00026bf180 RCX: ffff8880971202c0 [ 167.534530][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026bf180 [ 167.542601][ C0] RBP: ffffc90002057418 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.550561][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888091ed0e20 [ 167.558518][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888098de9628 [ 167.566492][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.571768][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.577044][ C0] free_thread_stack+0x168/0x590 [ 167.581975][ C0] put_task_stack+0xa3/0x130 [ 167.586557][ C0] finish_task_switch+0x3f1/0x550 [ 167.591582][ C0] __schedule+0x9a8/0xcc0 [ 167.595915][ C0] preempt_schedule_irq+0xc1/0x140 [ 167.601024][ C0] retint_kernel+0x1b/0x2b [ 167.605439][ C0] RIP: 0010:update_stack_state+0x168/0x530 [ 167.611233][ C0] Code: e1 80 e1 07 80 c1 03 38 c1 7c 60 4c 89 e7 e8 ff dd 7c 00 eb 56 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 48 8b 45 c0 80 3c 18 00 <74> 08 4c 89 ff e8 fe dd 7c 00 4d 8b 2f 48 8b 85 58 ff ff ff 80 3c [ 167.630824][ C0] RSP: 0018:ffffc90002057670 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.639220][ C0] RAX: 1ffff9200040aefb RBX: dffffc0000000000 RCX: ffffc900020577f8 [ 167.647178][ C0] RDX: ffffc900020578c0 RSI: 1ffff9200040aefc RDI: ffffc900020577d0 [ 167.655136][ C0] RBP: ffffc90002057718 R08: ffffffff81659cc5 R09: ffffc900020577d0 [ 167.663093][ C0] R10: fffff5200040af06 R11: 0000000000000000 R12: ffffc900020577d0 [ 167.671049][ C0] R13: ffffc900020578b0 R14: ffffc900020577e8 R15: ffffc900020577d8 [ 167.679019][ C0] ? stack_trace_consume_entry+0xa5/0x260 [ 167.684745][ C0] unwind_next_frame+0x3f1/0x7a0 [ 167.689671][ C0] ? __unwind_start+0x36a/0x440 [ 167.694537][ C0] ? stack_trace_save+0x150/0x150 [ 167.699558][ C0] arch_stack_walk+0xb4/0xe0 [ 167.704149][ C0] ? stack_trace_save+0xb6/0x150 [ 167.709100][ C0] stack_trace_save+0xb6/0x150 [ 167.713868][ C0] __kasan_kmalloc+0x11c/0x1b0 [ 167.718642][ C0] ? __kasan_check_read+0x11/0x20 [ 167.723655][ C0] ? mark_lock+0x107/0x1650 [ 167.728155][ C0] ? do_raw_spin_unlock+0x136/0x260 [ 167.733344][ C0] ? _raw_spin_unlock+0x27/0x40 [ 167.738179][ C0] ? cache_grow_end+0x143/0x170 [ 167.743019][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 167.748296][ C0] ? kmem_cache_alloc+0x194/0x2e0 [ 167.753399][ C0] kasan_slab_alloc+0xf/0x20 [ 167.757977][ C0] kmem_cache_alloc+0x1f5/0x2e0 [ 167.762819][ C0] ? ext4_alloc_inode+0x1f/0x560 [ 167.767740][ C0] ? set_qf_name+0x3c0/0x3c0 [ 167.772315][ C0] ext4_alloc_inode+0x1f/0x560 [ 167.777065][ C0] ? set_qf_name+0x3c0/0x3c0 [ 167.781646][ C0] new_inode_pseudo+0x68/0x240 [ 167.786395][ C0] new_inode+0x28/0x1c0 [ 167.790540][ C0] ? trace_ext4_request_inode+0x28b/0x2d0 [ 167.796245][ C0] __ext4_new_inode+0x43d/0x56a0 [ 167.801172][ C0] ? memset+0x31/0x40 [ 167.805157][ C0] ext4_symlink+0x52a/0xf60 [ 167.809661][ C0] vfs_symlink+0x36f/0x4f0 [ 167.814068][ C0] do_symlinkat+0x187/0x3f0 [ 167.818579][ C0] __x64_sys_symlink+0x60/0x70 [ 167.823339][ C0] do_syscall_64+0xf7/0x1c0 [ 167.827837][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.833721][ C0] RIP: 0033:0x45a3a7 [ 167.837609][ C0] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 167.857198][ C0] RSP: 002b:00007ffdd157d928 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 [ 167.865939][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a3a7 [ 167.873894][ C0] RDX: 00007ffdd157d9c7 RSI: 00000000004c00d3 RDI: 00007ffdd157d9b0 [ 167.881849][ C0] RBP: 0000000000000000 R08: 0000000000000220 R09: 0000000000000017 [ 167.889806][ C0] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001 [ 167.897848][ C0] R13: 00007ffdd157d960 R14: 0000000000000000 R15: 00007ffdd157d970