[ 117.157773][ T40] audit: type=1400 audit(1580383888.279:41): avc: denied { map } for pid=9374 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '[localhost]:13389' (ECDSA) to the list of known hosts. [ 120.633123][ T40] audit: type=1400 audit(1580383891.759:42): avc: denied { map } for pid=9386 comm="syz-fuzzer" path="/syz-fuzzer" dev="sda1" ino=16526 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2020/01/30 11:31:31 fuzzer started 2020/01/30 11:31:35 dialing manager at 10.0.2.10:37069 [ 124.673187][ T40] audit: type=1400 audit(1580383895.799:43): avc: denied { integrity } for pid=9406 comm="syz-executor" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 2020/01/30 11:31:35 syscalls: 2935 2020/01/30 11:31:35 code coverage: enabled 2020/01/30 11:31:35 comparison tracing: enabled 2020/01/30 11:31:35 extra coverage: enabled 2020/01/30 11:31:35 setuid sandbox: enabled 2020/01/30 11:31:35 namespace sandbox: enabled 2020/01/30 11:31:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/30 11:31:35 fault injection: enabled 2020/01/30 11:31:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/30 11:31:35 net packet injection: enabled 2020/01/30 11:31:35 net device setup: enabled 2020/01/30 11:31:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/30 11:31:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:32:21 executing program 0: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 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) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000540)={0x0}, 0x10) socket(0x10, 0x0, 0x0) sendmmsg$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000fe1000)={0x0, 0x0, 0x80}, 0x1c) pipe(0x0) pipe(0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000005c0)={{{@in=@broadcast, @in=@remote}}, {{@in=@remote}, 0x0, @in6=@loopback}}, 0x0) write$eventfd(0xffffffffffffffff, 0x0, 0x0) bpf$MAP_CREATE(0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x11, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000805, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) r2 = dup3(r0, r1, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f00003cef9f)='7', 0x34000, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="b4000000", @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xf6) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7a, &(0x7f000059aff8)={r3}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x0, @empty}}}, 0x98) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f00000007c0)={0x0, 0xf6ff, 0xff}, 0x27c) bpf$PROG_LOAD(0x5, 0x0, 0x0) [ 170.352413][ T40] audit: type=1400 audit(1580383941.479:44): avc: denied { map } for pid=9409 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=23562 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 11:32:21 executing program 1: preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$DRM_IOCTL_ADD_MAP(0xffffffffffffffff, 0xc0286415, 0x0) write$P9_RWSTAT(0xffffffffffffffff, 0x0, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f0000000380)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000000)=[{&(0x7f0000010000)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x1000014, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r0) r1 = open(&(0x7f0000000100)='./file0\x00', 0x40c2, 0x0) r2 = open$dir(&(0x7f0000000140)='./file0\x00', 0x8c802, 0xcc) write(r1, &(0x7f0000000600)="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", 0x200) ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205648, &(0x7f00000000c0)={0xa00000, 0x4746, 0x8, r1, 0x0, &(0x7f0000000080)={0x990a93, 0x8, [], @string=&(0x7f0000000040)=0x2}}) ioctl$PPPIOCSDEBUG(r3, 0x40047440, &(0x7f0000000180)=0x8360) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, @perf_config_ext, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f00000017c0), 0x3a8, 0x0) sendfile(r1, r2, 0x0, 0x7fffffa7) [ 170.706380][ T9412] IPVS: ftp: loaded support on port[0] = 21 [ 170.707180][ T9410] IPVS: ftp: loaded support on port[0] = 21 11:32:21 executing program 2: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 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$cgroup(0xffffffffffffffff, 0x0, 0x200002, 0x0) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000540)={0x0}, 0x10) socket(0x10, 0x0, 0x0) sendmmsg$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff, 0x12}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f0000fe1000)={0x0, 0x0, 0x80}, 0x1c) pipe(0x0) pipe(0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000005c0)={{{@in=@broadcast, @in=@remote}}, {{@in=@remote}, 0x0, @in6=@loopback}}, 0x0) write$eventfd(0xffffffffffffffff, &(0x7f00000006c0)=0x1, 0x8) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x11, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000805, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) r2 = dup3(r0, r1, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r2, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r1, &(0x7f00003cef9f)='7', 0x34000, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="b4000000", @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xf6) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x7a, &(0x7f000059aff8)={r3}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x0, @empty}}}, 0x98) setsockopt$inet_sctp_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f00000007c0)={0x0, 0xf6ff, 0xff}, 0x27c) bpf$PROG_LOAD(0x5, 0x0, 0x0) [ 170.901377][ T9414] IPVS: ftp: loaded support on port[0] = 21 11:32:22 executing program 3: mkdir(&(0x7f0000000140)='./file0\x00', 0x0) perf_event_open(&(0x7f0000000500)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x844}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000440)='cgroup2\x00', 0x0, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) mkdir(&(0x7f0000000180)='./file0//ile0\x00', 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x10d, 0xb, 0x0, 0x0) mount$9p_unix(&(0x7f0000000040)='./file0//ile0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x0, 0x0) pipe(&(0x7f0000000040)) write$binfmt_elf64(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, 0x0, 0x0) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x0, 0x0) write$FUSE_ENTRY(r2, &(0x7f00000001c0)={0xe, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x0, {0x0, 0x5, 0xa, 0x9, 0x9, 0x0, 0xafc6, 0xfffff14b, 0x0, 0x4, 0x0, 0xffffffffffffffff}}}, 0x37) rmdir(&(0x7f0000000340)='./file0//ile0\x00') [ 171.080704][ T9410] chnl_net:caif_netlink_parms(): no params data found [ 171.109667][ T9412] chnl_net:caif_netlink_parms(): no params data found [ 171.162881][ T9418] IPVS: ftp: loaded support on port[0] = 21 [ 171.223249][ T9410] bridge0: port 1(bridge_slave_0) entered blocking state [ 171.237495][ T9410] bridge0: port 1(bridge_slave_0) entered disabled state [ 171.250627][ T9410] device bridge_slave_0 entered promiscuous mode [ 171.266776][ T9410] bridge0: port 2(bridge_slave_1) entered blocking state [ 171.275761][ T9410] bridge0: port 2(bridge_slave_1) entered disabled state [ 171.287086][ T9410] device bridge_slave_1 entered promiscuous mode [ 171.338633][ T9410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 171.371709][ T9410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 171.387309][ T9412] bridge0: port 1(bridge_slave_0) entered blocking state [ 171.398044][ T9412] bridge0: port 1(bridge_slave_0) entered disabled state [ 171.410521][ T9412] device bridge_slave_0 entered promiscuous mode [ 171.438818][ T9412] bridge0: port 2(bridge_slave_1) entered blocking state [ 171.447575][ T9412] bridge0: port 2(bridge_slave_1) entered disabled state [ 171.456561][ T9412] device bridge_slave_1 entered promiscuous mode [ 171.469866][ T9410] team0: Port device team_slave_0 added [ 171.482594][ T9410] team0: Port device team_slave_1 added [ 171.514004][ T9410] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 171.524106][ T9410] 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. [ 171.565675][ T9410] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 171.589176][ T9410] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 171.599973][ T9410] 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. [ 171.648123][ T9410] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 171.683416][ T9412] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 171.753487][ T9410] device hsr_slave_0 entered promiscuous mode [ 171.831051][ T9410] device hsr_slave_1 entered promiscuous mode [ 171.915098][ T9412] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 171.934489][ T9414] chnl_net:caif_netlink_parms(): no params data found [ 172.052091][ T9412] team0: Port device team_slave_0 added [ 172.092511][ T9412] team0: Port device team_slave_1 added [ 172.118707][ T9414] bridge0: port 1(bridge_slave_0) entered blocking state [ 172.132830][ T9414] bridge0: port 1(bridge_slave_0) entered disabled state [ 172.145255][ T9414] device bridge_slave_0 entered promiscuous mode [ 172.159039][ T9414] bridge0: port 2(bridge_slave_1) entered blocking state [ 172.169700][ T9414] bridge0: port 2(bridge_slave_1) entered disabled state [ 172.180267][ T9414] device bridge_slave_1 entered promiscuous mode [ 172.201527][ T9418] chnl_net:caif_netlink_parms(): no params data found [ 172.238385][ T9412] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 172.246939][ T9412] 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. [ 172.314156][ T9412] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 172.458585][ T9414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 172.476885][ T9412] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 172.499041][ T9412] 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. [ 172.540286][ T9412] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 172.605031][ T9414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 172.678241][ T9414] team0: Port device team_slave_0 added [ 172.744365][ T9418] bridge0: port 1(bridge_slave_0) entered blocking state [ 172.764721][ T9418] bridge0: port 1(bridge_slave_0) entered disabled state [ 172.789252][ T9418] device bridge_slave_0 entered promiscuous mode [ 172.818962][ T9414] team0: Port device team_slave_1 added [ 172.841885][ T9418] bridge0: port 2(bridge_slave_1) entered blocking state [ 172.853433][ T9418] bridge0: port 2(bridge_slave_1) entered disabled state [ 172.868274][ T9418] device bridge_slave_1 entered promiscuous mode [ 172.995234][ T9412] device hsr_slave_0 entered promiscuous mode [ 173.058267][ T9412] device hsr_slave_1 entered promiscuous mode [ 173.109840][ T9412] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 173.120652][ T9412] Cannot create hsr debugfs directory [ 173.138639][ T9418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 173.178208][ T9414] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 173.192774][ T9414] 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. [ 173.241172][ T9414] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 173.260204][ T9418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 173.284521][ T9414] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 173.295983][ T9414] 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. [ 173.340240][ T9414] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 173.392718][ T40] audit: type=1400 audit(1580383944.509:45): avc: denied { create } for pid=9410 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 173.400120][ T9410] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 173.435491][ T40] audit: type=1400 audit(1580383944.519:46): avc: denied { write } for pid=9410 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 173.435509][ T40] audit: type=1400 audit(1580383944.519:47): avc: denied { read } for pid=9410 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 173.583329][ T9410] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 173.637146][ T9410] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 173.714417][ T9418] team0: Port device team_slave_0 added [ 173.741998][ T9418] team0: Port device team_slave_1 added [ 173.777489][ T9418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 173.798132][ T9418] 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. [ 173.858678][ T9418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 173.876270][ T9410] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 174.055446][ T9414] device hsr_slave_0 entered promiscuous mode [ 174.170218][ T9414] device hsr_slave_1 entered promiscuous mode [ 174.219625][ T9414] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 174.231900][ T9414] Cannot create hsr debugfs directory [ 174.239006][ T9418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 174.248993][ T9418] 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. [ 174.287504][ T9418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 174.414872][ T9418] device hsr_slave_0 entered promiscuous mode [ 174.480164][ T9418] device hsr_slave_1 entered promiscuous mode [ 174.550221][ T9418] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 174.572086][ T9418] Cannot create hsr debugfs directory [ 174.825596][ T9412] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 174.906683][ T9412] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 174.996437][ T9412] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 175.062337][ T9412] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 175.183109][ T9414] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 175.236760][ T9414] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 175.302597][ T9414] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 175.372034][ T9418] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 175.487613][ T9418] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 175.572486][ T9414] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 175.643908][ T9418] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 175.720513][ T9418] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 175.855867][ T9410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 175.888058][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 175.899862][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 175.914671][ T9410] 8021q: adding VLAN 0 to HW filter on device team0 [ 175.935252][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 175.949999][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 175.961591][ T3041] bridge0: port 1(bridge_slave_0) entered blocking state [ 175.971189][ T3041] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.006746][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 176.020203][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 176.038180][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 176.057939][ T28] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.070348][ T28] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.093442][ T9412] 8021q: adding VLAN 0 to HW filter on device bond0 [ 176.112257][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 176.142725][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 176.154919][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 176.170336][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 176.188832][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 176.202320][ T9414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 176.226321][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 176.239929][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 176.274985][ T9412] 8021q: adding VLAN 0 to HW filter on device team0 [ 176.287750][ T9418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 176.303871][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 176.316561][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 176.327537][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 176.342747][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 176.362961][ T9414] 8021q: adding VLAN 0 to HW filter on device team0 [ 176.374660][ T9420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 176.384858][ T9420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 176.396496][ T9420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 176.410564][ T9420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 176.425080][ T9420] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.434841][ T9420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.453442][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 176.466945][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 176.477502][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 176.487947][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 176.497844][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 176.510120][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 176.520722][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 176.531790][ T9427] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.543001][ T9427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.559180][ T9410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 176.578254][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 176.588916][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 176.603576][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 176.620013][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.635740][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.646570][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 176.660666][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 176.674626][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.684331][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.698665][ T9418] 8021q: adding VLAN 0 to HW filter on device team0 [ 176.718447][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 176.730829][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 176.743604][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 176.755609][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 176.767655][ T3041] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.778525][ T3041] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.801766][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 176.814705][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 176.833707][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 176.858874][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 176.871124][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 176.883419][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 176.896643][ T3041] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.909237][ T3041] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.923000][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 176.934950][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 176.945863][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 176.958605][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 176.971376][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 176.982773][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 177.010986][ T9410] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.026147][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 177.037932][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 177.049973][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 177.062553][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 177.074916][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 177.086377][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 177.098218][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 177.110570][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 177.122157][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 177.134847][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 177.158294][ T9418] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 177.175110][ T9418] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 177.201314][ T9414] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 177.214829][ T9414] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 177.233081][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 177.242863][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 177.252569][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 177.262740][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 177.272731][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 177.283259][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 177.294879][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 177.305266][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 177.317286][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 177.327714][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 177.338624][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 177.348819][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 177.359496][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 177.368232][ T9428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 177.399302][ T9412] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 177.414417][ T9412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 177.441121][ T9418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.449966][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 177.460167][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 177.470960][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 177.480657][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 177.490777][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 177.500711][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 177.532005][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 177.542074][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 177.551660][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 177.560972][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 177.572836][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 177.582819][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 177.599126][ T9414] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.613102][ T9410] device veth0_vlan entered promiscuous mode [ 177.629834][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 177.639836][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 177.655182][ T9410] device veth1_vlan entered promiscuous mode [ 177.680841][ T9412] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.695250][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 177.706603][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 177.730142][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 177.742255][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 177.777301][ T9418] device veth0_vlan entered promiscuous mode [ 177.788822][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 177.799857][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 177.810485][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 177.820521][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 177.837208][ T9414] device veth0_vlan entered promiscuous mode [ 177.853954][ T9414] device veth1_vlan entered promiscuous mode [ 177.863539][ T9410] device veth0_macvtap entered promiscuous mode [ 177.872788][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 177.883220][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 177.893631][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 177.904029][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 177.914941][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 177.926086][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 177.937020][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 177.948398][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 177.958855][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 177.968829][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 177.983676][ T9418] device veth1_vlan entered promiscuous mode [ 178.004353][ T9410] device veth1_macvtap entered promiscuous mode [ 178.015698][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 178.026668][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 178.037337][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 178.047637][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 178.058672][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 178.070017][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 178.080523][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 178.102341][ T9412] device veth0_vlan entered promiscuous mode [ 178.125327][ T9410] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 178.144970][ T9410] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 178.155115][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 178.166286][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 178.177048][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 178.188328][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 178.199979][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 178.215322][ T9412] device veth1_vlan entered promiscuous mode [ 178.243020][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 178.252976][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 178.262411][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 178.272345][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 178.282687][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 178.292728][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 178.311958][ T9418] device veth0_macvtap entered promiscuous mode [ 178.328431][ T9414] device veth0_macvtap entered promiscuous mode [ 178.359767][ T40] audit: type=1400 audit(1580383949.479:48): avc: denied { associate } for pid=9410 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 178.360987][ T9418] device veth1_macvtap entered promiscuous mode [ 178.418632][ T9414] device veth1_macvtap entered promiscuous mode [ 178.441368][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 178.450650][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 178.464844][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 178.475219][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 178.488466][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 178.504372][ T3339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 178.532878][ T9418] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 178.553681][ T9418] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 178.594305][ T9418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 178.658157][ T9412] device veth0_macvtap entered promiscuous mode [ 178.695374][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 178.703228][ T40] audit: type=1400 audit(1580383949.829:49): avc: denied { open } for pid=9431 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 178.722094][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 178.778000][ T40] audit: type=1400 audit(1580383949.829:50): avc: denied { confidentiality } for pid=9431 comm="syz-executor.0" lockdown_reason="unsafe use of perf" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 [ 178.779111][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 178.845552][ T40] audit: type=1400 audit(1580383949.889:51): avc: denied { map_create } for pid=9431 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 178.845569][ T40] audit: type=1400 audit(1580383949.899:52): avc: denied { prog_load } for pid=9431 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 178.931070][ T9418] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 178.962530][ T9418] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 178.965427][ T9418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 179.499215][ T9431] ------------[ cut here ]------------ [ 179.515122][ T9431] refcount_t: underflow; use-after-free. [ 179.539370][ T9431] WARNING: CPU: 1 PID: 9431 at lib/refcount.c:28 refcount_warn_saturate+0x1dc/0x1f0 [ 179.539370][ T9431] Kernel panic - not syncing: panic_on_warn set ... [ 179.539370][ T9431] CPU: 1 PID: 9431 Comm: syz-executor.0 Not tainted 5.5.0-syzkaller #0 [ 179.539370][ T9431] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 179.539370][ T9431] Call Trace: [ 179.539370][ T9431] dump_stack+0x197/0x210 [ 179.539370][ T9431] ? refcount_warn_saturate+0x1c0/0x1f0 [ 179.539370][ T9431] panic+0x2e3/0x75c [ 179.539370][ T9431] ? add_taint.cold+0x16/0x16 [ 179.539370][ T9431] ? __kasan_check_write+0x14/0x20 [ 179.539370][ T9431] ? __warn.cold+0x14/0x3e [ 179.539370][ T9431] ? __warn+0xd9/0x1cf [ 179.539370][ T9431] ? refcount_warn_saturate+0x1dc/0x1f0 [ 179.539370][ T9431] __warn.cold+0x2f/0x3e [ 179.539370][ T9431] ? refcount_warn_saturate+0x1dc/0x1f0 [ 179.539370][ T9431] report_bug+0x289/0x300 [ 179.539370][ T9431] do_error_trap+0x11b/0x200 [ 179.539370][ T9431] do_invalid_op+0x37/0x50 [ 179.539370][ T9431] ? refcount_warn_saturate+0x1dc/0x1f0 [ 179.539370][ T9431] invalid_op+0x23/0x30 [ 179.539370][ T9431] RIP: 0010:refcount_warn_saturate+0x1dc/0x1f0 [ 179.539370][ T9431] Code: e9 d8 fe ff ff 48 89 df e8 b1 77 16 fe e9 85 fe ff ff e8 97 ed d7 fd 48 c7 c7 c0 36 71 88 c6 05 35 d1 e0 06 01 e8 b3 45 a8 fd <0f> 0b e9 ac fe ff ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 [ 179.756345][ C3] hrtimer: interrupt took 12170026 ns [ 179.779187][ T9431] RSP: 0018:ffffc90000ea7720 EFLAGS: 00010286 [ 179.779187][ T9431] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 179.779187][ T9431] RDX: 0000000000000000 RSI: ffffffff815e8ea6 RDI: fffff520001d4ed6 [ 179.779187][ T9431] RBP: ffffc90000ea7730 R08: ffff88805e2a04c0 R09: fffffbfff165d385 [ 179.779187][ T9431] R10: fffffbfff165d384 R11: ffffffff8b2e9c27 R12: 0000000000000003 [ 179.779187][ T9431] R13: ffff88805ed35a44 R14: 0000000000008100 R15: ffff888027562540 [ 179.779187][ T9431] ? vprintk_func+0x86/0x189 [ 179.779187][ T9431] sock_wfree+0x1f8/0x260 [ 179.779187][ T9431] sctp_wfree+0x389/0x990 [ 179.779187][ T9431] ? __sctp_write_space+0x5d0/0x5d0 [ 179.779187][ T9431] skb_release_head_state+0xeb/0x260 [ 179.779187][ T9431] skb_release_all+0x16/0x60 [ 179.779187][ T9431] consume_skb+0xfb/0x410 [ 179.779187][ T9431] sctp_chunk_put+0x1d4/0x2f0 [ 179.779187][ T9431] sctp_chunk_free+0x56/0x70 [ 179.779187][ T9431] __sctp_outq_teardown+0x71f/0xc60 [ 179.779187][ T9431] sctp_outq_free+0x16/0x20 [ 179.779187][ T9431] sctp_association_free+0x208/0x7e0 [ 179.779187][ T9431] sctp_do_sm+0x3b9a/0x5330 [ 179.779187][ T9431] ? cache_grow_end+0xa4/0x190 [ 179.979544][ T9431] ? sctp_do_8_2_transport_strike.isra.0+0xa80/0xa80 [ 179.979544][ T9431] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 179.979544][ T9431] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 179.979544][ T9431] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 179.979544][ T9431] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 179.979544][ T9431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 179.979544][ T9431] ? sctp_init_cause+0x1ae/0x230 [ 179.979544][ T9431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 179.979544][ T9431] ? skb_put+0x177/0x1d0 [ 179.979544][ T9431] ? memcpy+0x46/0x50 [ 179.979544][ T9431] sctp_primitive_ABORT+0xa0/0xd0 [ 179.979544][ T9431] sctp_close+0x259/0x960 [ 179.979544][ T9431] ? sctp_accept+0x710/0x710 [ 179.979544][ T9431] ? __kasan_check_write+0x14/0x20 [ 179.979544][ T9431] ? down_write+0xdf/0x150 [ 179.979544][ T9431] ? ip_mc_drop_socket+0x211/0x270 [ 179.979544][ T9431] inet_release+0xed/0x200 [ 179.979544][ T9431] __sock_release+0xce/0x280 [ 179.979544][ T9431] sock_close+0x1e/0x30 [ 179.979544][ T9431] __fput+0x2ff/0x890 [ 179.979544][ T9431] ? __sock_release+0x280/0x280 [ 179.979544][ T9431] ____fput+0x16/0x20 [ 179.979544][ T9431] task_work_run+0x145/0x1c0 [ 179.979544][ T9431] exit_to_usermode_loop+0x316/0x380 [ 179.979544][ T9431] do_syscall_64+0x676/0x790 [ 179.979544][ T9431] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.979544][ T9431] RIP: 0033:0x414a21 [ 179.979544][ T9431] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 84 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 179.979544][ T9431] RSP: 002b:00007fff01e65ce0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 179.979544][ T9431] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000414a21 [ 179.979544][ T9431] RDX: 0000000000000000 RSI: 0000000000000fd9 RDI: 0000000000000006 [ 179.979544][ T9431] RBP: 0000000000000001 R08: 000000005e544fd9 R09: 000000005e544fdd [ 179.979544][ T9431] R10: 00007fff01e65e10 R11: 0000000000000293 R12: 000000000072c980 [ 179.979544][ T9431] R13: 000000000072c980 R14: 0000000000731d28 R15: 00007fff01e65df0 [ 179.979544][ T9431] Kernel Offset: disabled [ 179.979544][ T9431] Rebooting in 86400 seconds..