[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.669954][ T26] audit: type=1800 audit(1578464168.479:25): pid=8341 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.688834][ T26] audit: type=1800 audit(1578464168.479:26): pid=8341 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.708508][ T26] audit: type=1800 audit(1578464168.479:27): pid=8341 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 '10.128.0.95' (ECDSA) to the list of known hosts. 2020/01/08 06:16:21 fuzzer started 2020/01/08 06:16:23 dialing manager at 10.128.0.26:35703 2020/01/08 06:16:23 syscalls: 2824 2020/01/08 06:16:23 code coverage: enabled 2020/01/08 06:16:23 comparison tracing: enabled 2020/01/08 06:16:23 extra coverage: enabled 2020/01/08 06:16:23 setuid sandbox: enabled 2020/01/08 06:16:23 namespace sandbox: enabled 2020/01/08 06:16:23 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:16:23 fault injection: enabled 2020/01/08 06:16:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:16:23 net packet injection: enabled 2020/01/08 06:16:23 net device setup: enabled 2020/01/08 06:16:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:16:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:16:24 executing program 0: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) socket(0xc7ed8846d1732a0d, 0x0, 0x0) 06:16:24 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000002700)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_BROADCAST={0x4}]}, 0x2c}}, 0x0) syzkaller login: [ 64.675249][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 64.842337][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 64.851838][ T8508] IPVS: ftp: loaded support on port[0] = 21 06:16:24 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="b702000003000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fe00000000850000000d000000b7000000000000009500000000000000"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x2ca}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r1, 0x18000000000002a0, 0x29, 0x300, &(0x7f0000000100)="b90103000000f000009e40f008001fffffe100004000631177fbac141414e9a33fa1be3e7d2a182fff", 0x0, 0x100, 0x6000000000000000}, 0x28) [ 64.915672][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.926418][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.936273][ T8506] device bridge_slave_0 entered promiscuous mode [ 64.956058][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.964941][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.972929][ T8506] device bridge_slave_1 entered promiscuous mode [ 65.050687][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.076314][ T8508] chnl_net:caif_netlink_parms(): no params data found [ 65.087653][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.126446][ T8506] team0: Port device team_slave_0 added [ 65.144797][ T8506] team0: Port device team_slave_1 added [ 65.177189][ T8512] IPVS: ftp: loaded support on port[0] = 21 06:16:25 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x3810c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x2761, 0x0) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, 0x0, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6ead74ed8a60ab563e98b4b2a3d27a7082dbb78abd55fba3da80b856445ab100621d623455e1ffb5ea3544438cd89e9b08e3f5972fe9ca162b123e19268c89c9dd81c796f27f537cc5a3fb54aff8eaff4f6b59c41705b96a6711d4679079d00"/137], 0x15) ioctl$EVIOCGMTSLOTS(0xffffffffffffffff, 0x8040450a, 0x0) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000100)={0x18}, 0x18) ioctl$SIOCGETLINKNAME(0xffffffffffffffff, 0x89e0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000980)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x53d00}, 0xc, 0x0}, 0x0) write$FUSE_NOTIFY_RETRIEVE(r3, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000880)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@afid={'afid'}}]}}) setxattr$trusted_overlay_upper(&(0x7f0000000080)='./file0\x00', &(0x7f0000000180)='trusted.overlay.upper\x00', &(0x7f0000000740)={0x0, 0xfb, 0x31, 0x0, 0x0, "3535612161354c0fb81a15fda9d281b4", "a4d60b5094548af077bcabee2adf4e35466eba17e1aaac20f41178de"}, 0x31, 0x2) socket(0x0, 0x3, 0x0) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000009c0)={0x0, 0xfffffffffffffcda}}, 0x135be07bb9d6b4f8) [ 65.220588][ T8506] device hsr_slave_0 entered promiscuous mode [ 65.258488][ T8506] device hsr_slave_1 entered promiscuous mode [ 65.310305][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.317390][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.339961][ T8508] device bridge_slave_0 entered promiscuous mode [ 65.384039][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.392397][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.401200][ T8508] device bridge_slave_1 entered promiscuous mode [ 65.415550][ T8514] IPVS: ftp: loaded support on port[0] = 21 06:16:25 executing program 4: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c004500a, &(0x7f0000000300)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) readv(r0, &(0x7f0000001680)=[{&(0x7f0000000340)=""/30, 0x1e}, {&(0x7f0000000480)=""/4096, 0x1000}], 0x2) [ 65.486185][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.520117][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.591234][ T8508] team0: Port device team_slave_0 added [ 65.622850][ T8508] team0: Port device team_slave_1 added 06:16:25 executing program 5: unshare(0x400) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000001840)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='GPL\x00'}, 0x2e) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_procfs(0x0, &(0x7f0000000100)='net/ip_tables_matches\x00') r4 = dup2(r2, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000000)=r1, 0x4) [ 65.752726][ T8508] device hsr_slave_0 entered promiscuous mode [ 65.810107][ T8508] device hsr_slave_1 entered promiscuous mode [ 65.858395][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.866101][ T8508] Cannot create hsr debugfs directory [ 65.880353][ T8506] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.920140][ T8506] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.981775][ T8512] chnl_net:caif_netlink_parms(): no params data found [ 66.006345][ T8506] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.015750][ T8517] IPVS: ftp: loaded support on port[0] = 21 [ 66.043978][ T8506] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.146921][ T8519] IPVS: ftp: loaded support on port[0] = 21 [ 66.206957][ T8512] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.214459][ T8512] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.222158][ T8512] device bridge_slave_0 entered promiscuous mode [ 66.232538][ T8512] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.240870][ T8512] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.249370][ T8512] device bridge_slave_1 entered promiscuous mode [ 66.263022][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 66.305916][ T8512] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.320572][ T8512] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.362310][ T8512] team0: Port device team_slave_0 added [ 66.385738][ T8508] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.449514][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.456584][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.465024][ T8514] device bridge_slave_0 entered promiscuous mode [ 66.475777][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.482951][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.490885][ T8514] device bridge_slave_1 entered promiscuous mode [ 66.500314][ T8512] team0: Port device team_slave_1 added [ 66.519410][ T8508] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.561770][ T8508] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.625564][ T8508] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.717524][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.730821][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.840802][ T8512] device hsr_slave_0 entered promiscuous mode [ 66.878611][ T8512] device hsr_slave_1 entered promiscuous mode [ 66.928327][ T8512] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.935920][ T8512] Cannot create hsr debugfs directory [ 66.941663][ T8517] chnl_net:caif_netlink_parms(): no params data found [ 66.984457][ T8514] team0: Port device team_slave_0 added [ 66.995420][ T8506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.027016][ T8514] team0: Port device team_slave_1 added [ 67.039662][ T8506] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.067129][ T8517] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.076172][ T8517] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.084563][ T8517] device bridge_slave_0 entered promiscuous mode [ 67.092262][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.101059][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.161106][ T8514] device hsr_slave_0 entered promiscuous mode [ 67.219129][ T8514] device hsr_slave_1 entered promiscuous mode [ 67.258287][ T8514] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.265914][ T8514] Cannot create hsr debugfs directory [ 67.281271][ T8519] chnl_net:caif_netlink_parms(): no params data found [ 67.295896][ T8517] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.304042][ T8517] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.314000][ T8517] device bridge_slave_1 entered promiscuous mode [ 67.342997][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.351477][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.359974][ T3522] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.367135][ T3522] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.375341][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.417140][ T8517] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.435759][ T8517] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.460529][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.469409][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.477635][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.484709][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.526061][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.535683][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.550333][ T8508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.568639][ T8517] team0: Port device team_slave_0 added [ 67.575019][ T8519] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.582323][ T8519] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.590240][ T8519] device bridge_slave_0 entered promiscuous mode [ 67.604440][ T8519] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.614072][ T8519] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.622675][ T8519] device bridge_slave_1 entered promiscuous mode [ 67.632400][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.641225][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.651938][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.660447][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.669115][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.677232][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.685443][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.693764][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.711472][ T8517] team0: Port device team_slave_1 added [ 67.734806][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.762188][ T8506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.784226][ T8519] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.797577][ T8508] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.806011][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.814261][ T3517] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.822594][ T8514] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.920967][ T8517] device hsr_slave_0 entered promiscuous mode [ 67.968671][ T8517] device hsr_slave_1 entered promiscuous mode [ 68.018283][ T8517] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.025855][ T8517] Cannot create hsr debugfs directory [ 68.032034][ T8512] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.091161][ T8512] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.131750][ T8519] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.149118][ T8514] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.192709][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.201195][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.210646][ T3522] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.217693][ T3522] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.225620][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.234509][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.242913][ T3522] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.250082][ T3522] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.257771][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.268207][ T8512] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.324671][ T8512] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.377174][ T8514] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.444575][ T8514] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.500483][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.509775][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.518310][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.526701][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.535729][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.575670][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.586271][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.596228][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.605138][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.614044][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.622543][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.633381][ T8519] team0: Port device team_slave_0 added [ 68.643174][ T8519] team0: Port device team_slave_1 added [ 68.655826][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.700411][ T8506] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.735141][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.742640][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.762242][ T8508] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.820259][ T8519] device hsr_slave_0 entered promiscuous mode [ 68.838760][ T8519] device hsr_slave_1 entered promiscuous mode [ 68.878295][ T8519] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.885902][ T8519] Cannot create hsr debugfs directory [ 68.894394][ T8517] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.963911][ T8517] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.019551][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.027039][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.049364][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.058074][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.075823][ T8517] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.133912][ T8517] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.258819][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.269381][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.278040][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.286391][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.295732][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.303657][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.322893][ T8508] device veth0_vlan entered promiscuous mode [ 69.332931][ T8506] device veth0_vlan entered promiscuous mode [ 69.344316][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.353319][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.365093][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.373026][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.386655][ T8508] device veth1_vlan entered promiscuous mode [ 69.418665][ T8514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.431851][ T8506] device veth1_vlan entered promiscuous mode [ 69.473222][ T8512] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.501775][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.529548][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.537486][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.545917][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.554826][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.562795][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.573241][ T8514] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.582924][ T8519] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.641404][ T8519] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.712536][ T8519] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.773776][ T8519] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.846258][ T8517] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.854050][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.862910][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.874300][ T8512] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.910028][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.938707][ T3522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.961610][ T3522] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.968732][ T3522] bridge0: port 1(bridge_slave_0) entered forwarding state [ 174.918131][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.925145][ C0] rcu: 0-...!: (10499 ticks this GP) idle=ece/1/0x4000000000000002 softirq=11215/11215 fqs=3 [ 174.935689][ C0] (t=10501 jiffies g=7157 q=236) [ 174.940715][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g7157 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.951795][ C0] rcu: RCU grace-period kthread stack dump: [ 174.957667][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.965554][ C0] Call Trace: [ 174.968840][ C0] __schedule+0x9a0/0xcc0 [ 174.973181][ C0] schedule+0x181/0x210 [ 174.977328][ C0] schedule_timeout+0x14f/0x240 [ 174.982178][ C0] ? run_local_timers+0x120/0x120 [ 174.987196][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.991958][ C0] kthread+0x332/0x350 [ 174.996016][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.001113][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.005693][ C0] ret_from_fork+0x24/0x30 [ 175.010112][ C0] NMI backtrace for cpu 0 [ 175.014437][ C0] CPU: 0 PID: 8508 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.023004][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.033060][ C0] Call Trace: [ 175.036346][ C0] [ 175.039204][ C0] dump_stack+0x1fb/0x318 [ 175.043530][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.048373][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.054531][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.060590][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.066558][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.072439][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.077565][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.082757][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.087788][ C0] update_process_times+0x12d/0x180 [ 175.092979][ C0] tick_sched_timer+0x263/0x420 [ 175.097824][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.103372][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.108571][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.113516][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.118791][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.124325][ C0] apic_timer_interrupt+0xf/0x20 [ 175.129243][ C0] [ 175.132171][ C0] RIP: 0010:mod_memcg_page_state+0x123/0x190 [ 175.138137][ C0] Code: e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 e8 ad 26 2e 00 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8 03 42 80 3c 20 [ 175.157725][ C0] RSP: 0018:ffffc90001e27a40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 175.166140][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88808bbe6400 [ 175.174100][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002910e80 [ 175.182061][ C0] RBP: ffffc90001e27a60 R08: 000000000003a728 R09: fffffbfff124248a [ 175.190018][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: dffffc0000000000 [ 175.198064][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880975695b8 [ 175.206035][ C0] ? mod_memcg_page_state+0x123/0x190 [ 175.211418][ C0] free_thread_stack+0x168/0x590 [ 175.216344][ C0] put_task_stack+0xa3/0x130 [ 175.220935][ C0] finish_task_switch+0x3f1/0x550 [ 175.225954][ C0] __schedule+0x9a8/0xcc0 [ 175.231494][ C0] schedule+0x181/0x210 [ 175.235704][ C0] pipe_read+0x951/0xeb0 [ 175.239951][ C0] ? init_wait_entry+0xe0/0xe0 [ 175.244715][ C0] __vfs_read+0x59e/0x730 [ 175.249058][ C0] vfs_read+0x1dd/0x420 [ 175.253208][ C0] ksys_read+0x117/0x220 [ 175.257441][ C0] __x64_sys_read+0x7b/0x90 [ 175.261935][ C0] do_syscall_64+0xf7/0x1c0 [ 175.266426][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.272306][ C0] RIP: 0033:0x414a60 [ 175.276202][ C0] Code: 01 f0 ff ff 0f 83 90 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 0d 3a 66 00 00 75 14 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 64 1b 00 00 c3 48 83 ec 08 e8 6a fc ff ff [ 175.295795][ C0] RSP: 002b:00007fff608d88f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 175.304192][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414a60 [ 175.312157][ C0] RDX: 0000000000000038 RSI: 0000000000758040 RDI: 00000000000000f9 [ 175.320116][ C0] RBP: 0000000000717460 R08: 0000000000006000 R09: 0000000000004000 [ 175.328071][ C0] R10: 00007fff608d8290 R11: 0000000000000246 R12: 0000000000000000 [ 175.336031][ C0] R13: 00007fff608d8930 R14: 0000000000000003 R15: 00007fff608d8940