[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts. 2020/05/26 18:11:21 fuzzer started 2020/05/26 18:11:21 dialing manager at 10.128.0.105:37123 2020/05/26 18:11:26 syscalls: 3055 2020/05/26 18:11:26 code coverage: enabled 2020/05/26 18:11:26 comparison tracing: enabled 2020/05/26 18:11:26 extra coverage: enabled 2020/05/26 18:11:26 setuid sandbox: enabled 2020/05/26 18:11:26 namespace sandbox: enabled 2020/05/26 18:11:26 Android sandbox: /sys/fs/selinux/policy does not exist 2020/05/26 18:11:26 fault injection: enabled 2020/05/26 18:11:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/05/26 18:11:26 net packet injection: enabled 2020/05/26 18:11:26 net device setup: enabled 2020/05/26 18:11:26 concurrency sanitizer: enabled 2020/05/26 18:11:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/05/26 18:11:26 USB emulation: enabled syzkaller login: [ 58.081443][ T8921] KCSAN: could not find function: '_find_next_bit' 2020/05/26 18:11:29 adding functions to KCSAN blacklist: 'xas_clear_mark' 'dd_has_work' '__mpage_writepage' 'do_nanosleep' 'hrtimer_interrupt' '_find_next_bit' '__add_to_page_cache_locked' 'find_get_pages_range_tag' 'blk_mq_dispatch_rq_list' 'generic_write_end' 'ep_poll' 'do_signal_stop' 'generic_fillattr' 'ext4_mark_iloc_dirty' 'page_counter_charge' 'copy_process' 'ext4_free_inodes_count' '__ext4_new_inode' 'mod_timer' 'echo_char' 18:12:27 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000100)='oom_adj\x00') r1 = dup(r0) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='projid_map\x00') r3 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x6) setresuid(0x0, r4, 0x0) sendfile(r1, r2, 0x0, 0x7ffff000) [ 117.444618][ T8925] IPVS: ftp: loaded support on port[0] = 21 [ 117.528016][ T8925] chnl_net:caif_netlink_parms(): no params data found 18:12:27 executing program 1: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000100)={0x2, 0x0, @rand_addr=0x64010100}, 0x10) listen(r0, 0x4) r1 = accept4(r0, 0x0, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x7a, &(0x7f0000000140)={0x0, @in6={{0xa, 0x0, 0x0, @private2}}}, &(0x7f0000000240)=0x100) [ 117.569831][ T8925] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.576950][ T8925] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.585446][ T8925] device bridge_slave_0 entered promiscuous mode [ 117.597043][ T8925] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.604707][ T8925] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.612370][ T8925] device bridge_slave_1 entered promiscuous mode [ 117.630494][ T8925] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.641389][ T8925] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.660927][ T8925] team0: Port device team_slave_0 added [ 117.668550][ T8925] team0: Port device team_slave_1 added [ 117.685506][ T8925] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.692508][ T8925] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 117.719567][ T8925] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.732187][ T8925] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.739738][ T8925] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 117.766486][ T8925] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.792931][ T9079] IPVS: ftp: loaded support on port[0] = 21 18:12:27 executing program 2: r0 = syz_init_net_socket$llc(0x1a, 0x2, 0x0) bind$llc(r0, &(0x7f0000000280)={0x1a, 0x304}, 0x10) sendmmsg(r0, &(0x7f00000001c0), 0x400000000000150, 0x0) recvmmsg(r0, &(0x7f0000000240)=[{{0x0, 0x0, 0x0}}], 0x1, 0x2122, 0x0) [ 117.855531][ T8925] device hsr_slave_0 entered promiscuous mode [ 117.874044][ T8925] device hsr_slave_1 entered promiscuous mode [ 118.027020][ T9113] IPVS: ftp: loaded support on port[0] = 21 18:12:28 executing program 3: r0 = openat$apparmor_thread_exec(0xffffffffffffff9c, &(0x7f0000000340)='/proc/thread-self/attr/exec\x00', 0x2, 0x0) write$apparmor_exec(r0, &(0x7f0000000000)={'stack ', '&&\n:\x00\x04\x00\x00\x00\x00\x00\x00\xa3X\xe8\f\xe8\x9dD\xce\x86\x04\xed\xf8\xdb\xf0\xab\x8ao\b\xd2\xfa\xefJ\xff\xc0uM\xe1\xe3j\xfaA0\xd8cs\x99\xa3n\xbd:\xf9\xd5\x85\xe9[\xe3g.#\a\xd04\x0e\xd6eN\xab\x8f\xe2\ro\x1ep\xe8ycG[\xf9\xdb\xc3\xc3\x9b4\xd7\x05\xd6I\xfc\xbaA3\xdd\x84E\xc6\bF=S\xae\x1a\xa3\x0ep.!\xb9\v\xd4\x9e\xc1\x9d\xfb\x13\xbc\xd1\xb2tTx#Qc+\xbf_\xd6a\x11\x1d\xe0\xa8lpQ\x12\xf5\x978\xb2\x15=\x84\xb7\v\x85\x9d\xa2\xb8?\xbc\x8a\xb0\xa2\x87\x8f\\\x04\xd1N\x87\x8f\xd3\xad\xb6\xf1\xbe\xff\nSU\xa5\x8d\x00\xb0\xb3\xe8\xb6dw\x1at\"/L\v\x882\x03\x19\xaf(\x84\xabb\v\x13\xc8\xaf\xaec\xc9\xf5\x97u\xff\x97io7O\x8f\b(\x015\x14=\xb5\xbc\xf7\x9c\xd8\xd2\x84\xa1\xd5B\xd2y\xdc\x7f\x15\x91e\xc3\xb8\xc4\x94Of\x96Cv\xafv\x00\x99\'\xb4\x875]W\xd4\xbb\x86\xae\x0f;%_\x9c\xa1\xce\xca\xdf\xf7\xc1\xec\x94\xe2\xb0z\xc3[2\x87d+\xd8\f\xd7c\x1ds\xd6=\xbe\x00\x87\xf5\xe9)\x13\xb7\x16\xaa\xfec)\x04\xab\xa5S\xf6\xf0\x99V\x9c\xe6l\x19\xb0\xcdk\xd3^\xce\xb5\xcd@\xa1z\x9bq\xadS\xf9I\x1e\rj\xfa\xb1\xec\xe9\tl\x10\xa6\x8f\x06_3\xf6\x90\x83\xa1\x1b1ZN\xf1m\xa9F\x12\xa0~rW\a\xbf\xe2\x7f\xc3\x81\\\xe7\xb3\x1b\xad\x86\xc7\xb0W\x06H\x03q#\xc3\x1f\xc0\x18\xc0@\xad\x9cU\xbd\x8e\xf4\x91\x03\xbfD\xdd\xb2\x1b\xe7\xc5E\xa9\xbdUP\xe4\xa3T\xb9\x14\x7fa\x89\xd9\xf2\x97\x87\xc3MV\xae\xeaLsg\xcd\x91/\\\xef\x02?Y\x11]\xf7\xb6\x93R\\\xa0\xfe\b\x0f\xdc\xd3j\x1aQW9\xf1\x18\f\x9c\x83)s\xb4|\xcd\x925<\xc5\x02\x1c(\xe7e\xbe\x98x\xbe5\x17\x8a\x88\x96ZR]\xd3\xc7\xae\xdb\xe5\x99\xd3\xb2c@\x18\xa6&\aA\xe2\xee\xc1\xe8;3\xf1\xe4\xfcO\x06ZX6]\x8b\x1d\xb7\x82/;g\x1f&\b\x8c?hM\xbc\xb5\xcd\x93\xe5\xbb\x0fy\xfc\x94\x04p\xad@4\x1d\xdc\x1d^\x8d\x11\xc2\xf6^B\xf2\xa2\x14\x7f$]\x90\xf3\xd6\xad\x04%6\x8f\xa5*\xe8/\xd2\xa1\xdcP\a\x06\xb2\xc3\xc2\xaen#\x165\xcf\xe8O\xd7\xb4\xa0\xa8\xd38\x9a\x86tS\xd1k,\xdfO)*\x02i\xcf\x80\b\xd6\x86\xa9=\x98\x9d\x9a\xb4\x06\xb0u\"\xd6\x8fz\xa0*\x10(\xeaZs[U\x88\x98\" \t\x8d\x04\xc1\x80\xa9l3\xa0\xca\xad\x02\x9a\xa3\xdc\xed8R\xeb\x13\xf0\x9fc\xe8\xee\x80\x81\xfe\xb3\xb3\x8c\xd9\xbd\xa9\x9c\xc8=\x05T\xbf\n:\x84\x80p\xa6\x84@\x01\x9f\xfc\x86x\xcf\xed\x88O\x99a\x12\xcd\x83\x1e\xcf\xcd\'\xc3\xdb\xd5\ttP_T\xf3\xba}\x85\x17f\x8e\xac\xdb\xfb\x19\x1a\x81\xd2\xf2b\x8c\x98\\\x00'/746}, 0x2f0) [ 118.114941][ T9079] chnl_net:caif_netlink_parms(): no params data found [ 118.135570][ T8925] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 118.201402][ T8925] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 118.236611][ T8925] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 118.299629][ T8925] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 118.385849][ T9273] IPVS: ftp: loaded support on port[0] = 21 [ 118.416474][ T8925] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.423516][ T8925] bridge0: port 2(bridge_slave_1) entered forwarding state 18:12:28 executing program 4: bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x374}, 0x48) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 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) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000780)={r0, 0x18000000000002a0, 0x26, 0x0, &(0x7f00000006c0)="b9ff031a000d698cb89e40f02cead5dc57ee41dea43e63a377fbac141410e949eb4be1977d48", 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000140), 0x12) [ 118.430855][ T8925] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.438008][ T8925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.454499][ T9079] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.461531][ T9079] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.472128][ T9079] device bridge_slave_0 entered promiscuous mode [ 118.481903][ T9113] chnl_net:caif_netlink_parms(): no params data found [ 118.514496][ T9079] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.522408][ T9079] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.531555][ T9079] device bridge_slave_1 entered promiscuous mode [ 118.598713][ T9079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 118.629581][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.644844][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.668411][ T9079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 118.701998][ T9113] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.710489][ T9113] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.718515][ T9113] device bridge_slave_0 entered promiscuous mode [ 118.733894][ T9079] team0: Port device team_slave_0 added [ 118.755967][ T9079] team0: Port device team_slave_1 added [ 118.761935][ T9113] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.770245][ T9113] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.778268][ T9113] device bridge_slave_1 entered promiscuous mode [ 118.790006][ T8925] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.813436][ T9408] IPVS: ftp: loaded support on port[0] = 21 [ 118.852925][ T9079] batman_adv: batadv0: Adding interface: batadv_slave_0 18:12:28 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe7000/0x18000)=nil, &(0x7f00000000c0)=[@text32={0x20, &(0x7f0000000040)="0f20410f01c58332f20fae796866b810009200c90fb31b0f789500200000b9800000c00f3235000400000f30c4c3f578dfcf0f06", 0x34}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000080)={0x0, 0x11c000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 118.864221][ T9079] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 118.890718][ T9079] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 118.908792][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 118.917381][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 118.929902][ T9113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 118.942041][ T8925] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.957738][ T9079] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 118.968702][ T9079] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 119.018872][ T9079] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.031037][ T9113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.051540][ T9113] team0: Port device team_slave_0 added [ 119.072513][ T9532] IPVS: ftp: loaded support on port[0] = 21 [ 119.077858][ T9273] chnl_net:caif_netlink_parms(): no params data found [ 119.091386][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 119.100247][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 119.109115][ T5307] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.116189][ T5307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.124719][ T9113] team0: Port device team_slave_1 added [ 119.186058][ T9079] device hsr_slave_0 entered promiscuous mode [ 119.224584][ T9079] device hsr_slave_1 entered promiscuous mode [ 119.254178][ T9079] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 119.261782][ T9079] Cannot create hsr debugfs directory [ 119.270519][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 119.279264][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 119.287987][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.295136][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.308483][ T9113] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.316019][ T9113] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 119.342641][ T9113] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.362087][ T9113] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.370059][ T9113] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 119.396718][ T9113] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.449456][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 119.459777][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 119.516419][ T9113] device hsr_slave_0 entered promiscuous mode [ 119.584482][ T9113] device hsr_slave_1 entered promiscuous mode [ 119.634422][ T9113] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 119.641969][ T9113] Cannot create hsr debugfs directory [ 119.669925][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 119.678585][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 119.687606][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 119.695618][ T9273] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.702644][ T9273] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.710627][ T9273] device bridge_slave_0 entered promiscuous mode [ 119.719620][ T9273] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.726910][ T9273] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.734515][ T9273] device bridge_slave_1 entered promiscuous mode [ 119.766658][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 119.790410][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 119.850853][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 119.862114][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 119.872920][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 119.881649][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 119.892994][ T9273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.922055][ T8925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 119.933629][ T9273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.949629][ T9079] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 119.976208][ T9079] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 120.027924][ T9408] chnl_net:caif_netlink_parms(): no params data found [ 120.050199][ T9079] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 120.109624][ T9273] team0: Port device team_slave_0 added [ 120.117182][ T9079] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 120.167372][ T9532] chnl_net:caif_netlink_parms(): no params data found [ 120.176950][ T9273] team0: Port device team_slave_1 added [ 120.213387][ T9408] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.220587][ T9408] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.228976][ T9408] device bridge_slave_0 entered promiscuous mode [ 120.239182][ T9408] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.246576][ T9408] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.254821][ T9408] device bridge_slave_1 entered promiscuous mode [ 120.270076][ T9408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 120.285292][ T9273] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 120.292326][ T9273] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 120.318405][ T9273] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 120.334012][ T9113] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 120.392747][ T9113] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 120.436783][ T9408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 120.457740][ T9273] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 120.466906][ T9273] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 120.493781][ T9273] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 120.517639][ T9113] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 120.557604][ T9113] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 120.619316][ T9408] team0: Port device team_slave_0 added [ 120.627026][ T9408] team0: Port device team_slave_1 added [ 120.676669][ T9273] device hsr_slave_0 entered promiscuous mode [ 120.714761][ T9273] device hsr_slave_1 entered promiscuous mode [ 120.754608][ T9273] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 120.762160][ T9273] Cannot create hsr debugfs directory [ 120.770473][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 120.779805][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 120.791059][ T8925] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 120.814303][ T9408] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 120.821771][ T9408] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 120.847890][ T9408] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 120.892826][ T9408] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 120.899884][ T9408] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 120.927076][ T9408] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 120.938511][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 120.947355][ T4135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 120.967985][ T9532] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.975663][ T9532] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.983276][ T9532] device bridge_slave_0 entered promiscuous mode [ 121.007328][ T8925] device veth0_vlan entered promiscuous mode [ 121.018179][ T9532] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.025837][ T9532] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.033497][ T9532] device bridge_slave_1 entered promiscuous mode [ 121.046518][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 121.057144][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 121.065700][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 121.073275][ T5307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 121.166343][ T9408] device hsr_slave_0 entered promiscuous mode [ 121.195517][ T9408] device hsr_slave_1 entered promiscuous mode [ 121.264628][ T9408] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 121.272179][ T9408] Cannot create hsr debugfs directory [ 121.286817][ T8925] device veth1_vlan entered promiscuous mode [ 121.311323][ T9273] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 121.339904][ T9532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 121.352685][ T9532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 121.364298][ T9079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.377756][ T9273] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 121.421379][ T9273] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 121.466869][ T9273] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 121.514671][ T558] ================================================================== [ 121.522762][ T558] BUG: KCSAN: data-race in add_timer / run_timer_softirq [ 121.529878][ T558] [ 121.532185][ T558] write to 0xffff88812c11dc88 of 8 bytes by interrupt on cpu 1: [ 121.539789][ T558] run_timer_softirq+0x440/0xbd0 [ 121.544703][ T558] __do_softirq+0x118/0x34a [ 121.549198][ T558] irq_exit+0xb5/0xd0 [ 121.553158][ T558] smp_apic_timer_interrupt+0xe2/0x270 [ 121.558592][ T558] apic_timer_interrupt+0xf/0x20 [ 121.563503][ T558] native_safe_halt+0xe/0x10 [ 121.568066][ T558] default_idle+0x21/0x170 [ 121.572457][ T558] do_idle+0x1b7/0x290 [ 121.576499][ T558] cpu_startup_entry+0x14/0x20 [ 121.581256][ T558] start_secondary+0x169/0x1b0 [ 121.586016][ T558] secondary_startup_64+0xa4/0xb0 [ 121.591006][ T558] [ 121.593333][ T558] read to 0xffff88812c11dc88 of 8 bytes by task 558 on cpu 0: [ 121.600774][ T558] add_timer+0x175/0x550 [ 121.604992][ T558] __queue_delayed_work+0x13c/0x1d0 [ 121.610163][ T558] queue_delayed_work_on+0xef/0x110 [ 121.615333][ T558] bond_netdev_notify_work+0x150/0x160 [ 121.620767][ T558] process_one_work+0x424/0x930 [ 121.625590][ T558] worker_thread+0x9a/0x7e0 [ 121.630066][ T558] kthread+0x203/0x230 [ 121.634108][ T558] ret_from_fork+0x1f/0x30 [ 121.638488][ T558] [ 121.640802][ T558] Reported by Kernel Concurrency Sanitizer on: [ 121.646932][ T558] CPU: 0 PID: 558 Comm: kworker/u4:3 Not tainted 5.7.0-rc1-syzkaller #0 [ 121.655223][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.665268][ T558] Workqueue: bond0 bond_netdev_notify_work [ 121.671044][ T558] ================================================================== [ 121.679074][ T558] Kernel panic - not syncing: panic_on_warn set ... [ 121.685636][ T558] CPU: 0 PID: 558 Comm: kworker/u4:3 Not tainted 5.7.0-rc1-syzkaller #0 [ 121.693942][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.703971][ T558] Workqueue: bond0 bond_netdev_notify_work [ 121.709745][ T558] Call Trace: [ 121.713011][ T558] dump_stack+0x11d/0x187 [ 121.717320][ T558] panic+0x210/0x640 [ 121.721194][ T558] ? vprintk_func+0x89/0x13a [ 121.725800][ T558] kcsan_report.cold+0xc/0x1a [ 121.730468][ T558] kcsan_setup_watchpoint+0x3fb/0x440 [ 121.735818][ T558] add_timer+0x175/0x550 [ 121.740042][ T558] ? enqueue_entity+0x113/0x5c0 [ 121.744884][ T558] __queue_delayed_work+0x13c/0x1d0 [ 121.750058][ T558] queue_delayed_work_on+0xef/0x110 [ 121.755242][ T558] bond_netdev_notify_work+0x150/0x160 [ 121.760678][ T558] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 121.766546][ T558] process_one_work+0x424/0x930 [ 121.771376][ T558] worker_thread+0x9a/0x7e0 [ 121.775858][ T558] ? rescuer_thread+0x6a0/0x6a0 [ 121.780680][ T558] kthread+0x203/0x230 [ 121.784729][ T558] ? kthread_unpark+0xd0/0xd0 [ 121.789379][ T558] ret_from_fork+0x1f/0x30 [ 122.869951][ T558] Shutting down cpus with NMI [ 122.875396][ T558] Kernel Offset: disabled [ 122.879709][ T558] Rebooting in 86400 seconds..