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", 0x1000}, {&(0x7f0000001480)="e1e9e76fc2b0b53f477ba35937eb0578f11444260755d1f33820328b8b41e7e24b4e238a128094be9aa7f107c8ee8ff4ee3fb3a4c13e8cb472f83daafda6b7a5544fefb833cfb182451dbd", 0x4b}], 0x7, &(0x7f0000001580)=ANY=[@ANYBLOB="900000000000000012010000000200002d3d678476df727ea5190717943936535d02978f53f27e86043bff4fc916f90bc1da4cb44200fa9aae00bee1469ce8deb728da3c9ea747b40fa93aa9e79df065acc59b6522d20061cccf98070d56bba66f518cbeea76f834f42d61010f752268377d7298013df6f6f7234befcb5fdbb419480012e8cbca32af85485ee61ea6ac"], 0x90, 0x8040}], 0x1, 0x8000) fcntl$getownex(r3, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r7 = getpgrp(r6) kcmp(r6, r7, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:30 executing program 7: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x109881, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000040)={0x2, {{0x2, 0x4e21, @broadcast=0xffffffff}}}, 0x88) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f84ff0)={&(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x60}, 0x1}, 0x0) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) r3 = gettid() kcmp(r2, r3, 0x3, r0, r0) 2018/04/09 20:35:30 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xb80b, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:30 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfc00000000000000}, 0x1c) 2018/04/09 20:35:30 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0xc0ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:30 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x33000000], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:30 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) kcmp(r1, r2, 0x3, r3, r0) 2018/04/09 20:35:30 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x7, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:30 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:30 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x3c00], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:31 executing program 7: r0 = memfd_create(&(0x7f0000000000)='md5sum@\x00', 0x3) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x104, r1, 0x11, 0x70bd2d, 0x25dfdbfd, {0x6}, [@IPVS_CMD_ATTR_DAEMON={0x78, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x9}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0xa}}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e23}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1={0xff, 0x1, [], 0x1}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'bridge0\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x6}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xff}, @IPVS_CMD_ATTR_SERVICE={0x20, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7b}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1}}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1ee}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, [@IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e21}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x3bbf}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xa0a}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x20}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x4}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}]}]}, 0x104}, 0x1, 0x0, 0x0, 0x40}, 0x40001) getpeername(r0, &(0x7f0000000280)=@alg, &(0x7f0000000300)=0x80) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x0, 0x48a, &(0x7f0000000340)={0x1, 0xff, 0x2}, 0xc) ioctl$VHOST_SET_VRING_ENDIAN(r0, 0x4008af13, &(0x7f0000000380)={0x2, 0x6}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000003c0)=0x1) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000400)={0x0, 0x12, "5cbff7db29eadfa7dc0fdc352d04bd8b8f3b"}, &(0x7f0000000440)=0x1a) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000480)=@assoc_value={r2, 0x54d}, &(0x7f00000004c0)=0x8) bind$llc(r0, &(0x7f0000000500)={0x1a, 0x313, 0x1000, 0x784d480, 0x5, 0xfff, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x10) ioctl$sock_inet_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000540)) r3 = syz_open_dev$sndtimer(&(0x7f0000001000)='/dev/snd/timer\x00', 0x0, 0x0) r4 = socket$vsock_stream(0x28, 0x1, 0x0) ioctl$int_in(r3, 0x5452, &(0x7f0000003000)=0x8) ioctl$KVM_SET_GSI_ROUTING(r4, 0x4008ae6a, &(0x7f0000000000)={0x9, 0x0, [{0x4, 0x4, 0x0, 0x0, @sint={0x2423, 0x6b8}}, {0xffffffffffffff78, 0x3, 0x0, 0x0, @msi={0x1, 0xfffffffffffffbd5, 0x100000000}}, {0x7, 0x4, 0x0, 0x0, @sint={0x8}}, {0x4, 0x7, 0x0, 0x0, @irqchip={0x2, 0x28}}, {0x6, 0x4, 0x0, 0x0, @adapter={0xd01e, 0x7, 0x400, 0x6, 0x5}}, {0x1000000000000, 0x4, 0x0, 0x0, @sint={0x80000000, 0x1f}}, {0x4, 0x7, 0x0, 0x0, @adapter={0x7ff, 0xf9f, 0x50000, 0xa4a9, 0x7}}, {0x100000001, 0x1, 0x0, 0x0, @sint={0x500000, 0x9}}, {0xffff, 0x3, 0x0, 0x0, @adapter={0x8, 0x20, 0x401, 0x6, 0x20}}]}) close(r3) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000580), &(0x7f00000005c0)=0x9b94006419b34f8d) bind$llc(0xffffffffffffffff, &(0x7f0000000600)={0x1a, 0x206, 0xb3, 0xa0dc, 0x100000000, 0x800, @random="9bad9bb82713"}, 0x10) accept4$inet(r0, &(0x7f0000000940)={0x0, 0x0, @loopback}, &(0x7f0000000980)=0x10, 0x80000) getsockopt$IP_VS_SO_GET_DAEMON(0xffffffffffffffff, 0x0, 0x487, &(0x7f0000000640), &(0x7f0000000680)=0x30) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f00000006c0)=[@in6={0xa, 0x4e21, 0xfffffffffffffff7, @empty, 0xfffffffffffffffb}, @in6={0xa, 0x4e22, 0x10000, @mcast2={0xff, 0x2, [], 0x1}, 0x400}, @in={0x2, 0x4e20, @rand_addr=0x3}], 0x48) getsockopt$IP6T_SO_GET_REVISION_TARGET(0xffffffffffffffff, 0x29, 0x45, &(0x7f0000000740)={'HL\x00'}, &(0x7f0000000780)=0x1e) ioctl$KVM_IRQFD(r0, 0x4020ae76, &(0x7f00000007c0)={r0, 0x7, 0x7, r0}) getsockopt$inet_mreqn(r0, 0x0, 0x0, &(0x7f0000000840)={@local, @dev}, &(0x7f0000000880)=0xc) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f00000008c0)={@rand_addr, @dev}, &(0x7f0000000900)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000a80)={{{@in, @in=@broadcast}}, {{@in=@broadcast}, 0x0, @in=@local}}, &(0x7f0000000800)=0xe8) getsockname$packet(r0, &(0x7f0000000bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000c00)=0x14) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x0, &(0x7f0000000c40)={@broadcast, @rand_addr}, &(0x7f0000000c80)=0xc) socket$nl_generic(0x10, 0x3, 0x10) 2018/04/09 20:35:31 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x5000000000000}, 0x1c) 2018/04/09 20:35:31 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xff00000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:31 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x4000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:31 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x138], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:31 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r2, r2, 0x6, r0, r0) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) r4 = shmget$private(0x0, 0x4000, 0x10, &(0x7f0000001000/0x4000)=nil) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000000000)={{{@in, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @multicast1}}, 0x0, @in6=@ipv4={[], [], @multicast1}}}, &(0x7f0000000100)=0xe8) r6 = getgid() r7 = getuid() getresgid(&(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0)=0x0) shmctl$IPC_SET(r4, 0x1, &(0x7f0000000280)={{0xffffffff, r5, r6, r7, r8, 0x1, 0x2}, 0x8, 0x7, 0xfffffffffffffe00, 0x4, r2, r1, 0x739}) 2018/04/09 20:35:31 executing program 1: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000000300)='./file0\x00', &(0x7f0000000040), &(0x7f0000000440)=[&(0x7f00000000c0)='&\x00', &(0x7f0000000100)='\x00\x00\x00\x00\x00\x00\x00\x00\x00', &(0x7f0000000340)="00001e38836544fe56749e887de8dc00", &(0x7f0000000380)='+\x00', &(0x7f0000000200)="70707031a02800", &(0x7f0000000240)='\x00', &(0x7f0000000480)='\\*\x00']) r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) creat(&(0x7f0000000040)='./file1\x00', 0x86) 2018/04/09 20:35:31 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000100)={0x1, r1}) readlinkat(r2, &(0x7f0000000140)='./file0\x00', &(0x7f0000000700)=""/4096, 0x1000) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040)="bb", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) r3 = accept4(r1, &(0x7f00003ad000)=@l2, &(0x7f00008f1ffc)=0xe, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='net/tcp6\x00') setsockopt$inet_sctp6_SCTP_NODELAY(r4, 0x84, 0x3, &(0x7f0000000180)=0xd544, 0x4) sendmsg$TEAM_CMD_PORT_LIST_GET(r3, &(0x7f0000007280)={&(0x7f00000006c0)={0x10}, 0xc, &(0x7f0000007240)={&(0x7f0000006c00)=ANY=[@ANYBLOB], 0x1}, 0x1}, 0x0) sendfile(r4, r4, &(0x7f000080037c), 0x400000ff) getsockopt$IP_VS_SO_GET_TIMEOUT(r1, 0x0, 0x486, &(0x7f0000000080), &(0x7f00000000c0)=0xc) 2018/04/09 20:35:31 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0xff000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 340.609405] TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/04/09 20:35:31 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x3a00000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:31 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x800000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:31 executing program 4: r0 = socket$pptp(0x18, 0x1, 0x2) fremovexattr(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="01478f006ce747a71d"]) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) r4 = memfd_create(&(0x7f0000000040)='\x00', 0x2) ioctl$DRM_IOCTL_AGP_ENABLE(r4, 0x40086432, &(0x7f0000000080)=0x5) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:31 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x9000000}, 0x1c) 2018/04/09 20:35:31 executing program 7: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet6_int(r0, 0x29, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4) removexattr(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)=@known='system.posix_acl_access\x00') 2018/04/09 20:35:31 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x300], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:31 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0xf5ffffff], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:31 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfec00000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:32 executing program 0: r0 = accept$netrom(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)=0x10) sync_file_range(r0, 0x41a, 0xfffffffffffffffb, 0x20000002) r1 = accept$packet(0xffffffffffffffff, 0x0, &(0x7f0000000080)) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000002c0)={{{@in=@loopback, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in=@loopback}}, &(0x7f00000000c0)=0xe8) syz_open_dev$sndtimer(&(0x7f0000000140)='/dev/snd/timer\x00', 0x0, 0x880) bind$packet(r1, &(0x7f0000000100)={0x11, 0xf8, r2, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) r3 = socket$inet(0x2, 0x2, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r3, 0x0, 0x80, &(0x7f0000000240)=@broute={'broute\x00', 0x20, 0x2, 0x330, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000680], 0x0, &(0x7f0000000180), &(0x7f0000000680)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x5, 0x0, 0x0, 'gretap0\x00', 'ifb0\x00', 'syz_tun\x00', 'vlan0\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0xa0, 0x100, 0x130, [@m802_3={'802_3\x00', 0x8, {{0x0, 0x0, 0x53058eadeb668ea5}}}]}, [@common=@CONNSECMARK={'CONNSECMARK\x00', 0x8}, @common=@STANDARD={'\x00', 0x8}]}, @common=@STANDARD={'\x00', 0x8}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0x5, 0x0, 0x0, 'rose0\x00', 'gre0\x00', 'ip6_vti0\x00', 'dummy0\x00', @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, [], @random="00294e7e57ba", [], 0xa8, 0x108, 0x140, [@cluster={'cluster\x00', 0x10}]}, [@common=@AUDIT={'AUDIT\x00', 0x8}, @common=@CLASSIFY={'CLASSIFY\x00', 0x8}]}, @common=@dnat={'dnat\x00', 0x10, {{@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}}}}]}, {0x0, '\x00', 0x2, 0xfffffffffffffffe}]}, 0x3a8) 2018/04/09 20:35:32 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf5ffffff, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:32 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0xadf6, 0x80000) getsockopt$IPT_SO_GET_ENTRIES(r1, 0x0, 0x41, &(0x7f0000000080)={'raw\x00', 0x4, "fec3358b"}, &(0x7f0000000100)=0x28) r2 = socket$inet6(0xa, 0x5, 0xffff) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@loopback={0x0, 0x1}, 0x800, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f00000000c0)={@remote={0xfe, 0x80, [], 0xbb}, 0x800, 0x2}, 0x20) 2018/04/09 20:35:32 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x160], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:32 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfec00000}, 0x1c) 2018/04/09 20:35:32 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:32 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)) r1 = getpgrp(0x0) kcmp(r1, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:32 executing program 1: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) r0 = inotify_init1(0x0) fsetxattr(r0, &(0x7f00000003c0)=@random={'trusted.', '\x00'}, &(0x7f0000000540)='nodev\x00', 0x6, 0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) r1 = dup3(r0, r0, 0xd18afd7cd743fd5b) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000040)=0x1, 0x4) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) syz_mount_image$gfs2(&(0x7f0000000580)='gfs2\x00', &(0x7f00000005c0)='./file1\x00', 0x3ff, 0x1, &(0x7f0000000680)=[{&(0x7f0000000600)="dd0de8ece110b5edbbe19570abf0866b112b703f5dad037c48c615dba34bf8ed2205b89cd20059ac43cebdddb5e97cca3d6573a50ac659fef39c10c5eea3943e8f8375196bdb6d409d130a6d2c832b57e0ffb25b3f2fdefa43515dfcf11dac4e7ffd7dbeee17", 0x66, 0x6}], 0x40000, &(0x7f00000006c0)={[{@norecovery='norecovery', 0x2c}, {@loccookie='loccookie', 0x2c}, {@meta='meta', 0x2c}, {@statfs_quantum={'statfs_quantum', 0x3d, [0x31]}, 0x2c}, {@suiddir='suiddir', 0x2c}, {@noquota='noquota', 0x2c}, {@barrier='barrier', 0x2c}, {@noloccookie='noloccookie', 0x2c}, {@lockproto_dlm='lockproto=dlm', 0x2c}, {@discard='discard', 0x2c}]}) sendmsg$nfc_llcp(r1, &(0x7f0000000380)={&(0x7f0000000080)={0x27, 0x1, 0x0, 0x6, 0x101, 0x8, "ae06afbded2c371c32b39d9605e761d3505d36ac2ba0c76da78a14374ee6c622c829946daac1bec86b232a1f22811b6f78491fab8c6ddad53a91ae4373ab59", 0x33}, 0x60, &(0x7f0000000140)=[{&(0x7f0000000280)="1802bd7570da1682e4fc02c9c5e64812bf94821a92e0323cb3b590bc9498924cab6b425231bc69ae08ebbc6a16eaa72bbfd4491afeb44cbd565652ee093449599979ff0e7d7ab457eab72aacae6b100006778f7f0c3da3bb68525fda0a3ce393d7d63bdf3c28df2364252a050ecac3a1c69d04430407a5f3bd7ee052334d4876c27e8a889bd28714c9048c0e5c0e0c075b855d4bad98a71d46ce9389a88d44db52d3aed2fd46cd9439495559b24694cc5a91abe504d39fc03592dc5abf9d03e2a7377d542394", 0xc6}, {&(0x7f0000000100)="90c91aba377693221a69e90a57151661e29e35889ed718deb7f7f403a6277a0b", 0x20}, {&(0x7f0000000440)="ec8d07cb306e3fa22da6be1af1668b6196a80733e918aefb6dd94383cad3d17a439461dc17e11a9cdc881ad6198de10e15c061c10ad82b3dd421c6a3ad24fe5006a10664032664a48087d70b8378409b4be7534fd48ac52d1cc60ec9235d19f1781768d1fd66a73a5f3617dddec5471d7d1dbf02c1b7d45052782d64aec238b16ac789c7ef3a55e29e72bc4250be32a6667b35e1281898f5b7396e233f1a59017c37c7d1d6c65e9f8602936f2a23799e4a821104b22543814c6fa013558b550e718e59d19bcfcee71dd51479aba0c49d8673cce2ae7b67986839f81f4def4b30f8099789f0ddb4a74227bb3d94f7650f4f3f73f5223891cc94", 0xf9}], 0x3, &(0x7f00000001c0)=ANY=[@ANYBLOB="68000000000000001f010000000000006d2acacfaad63f128134ada219ae6dbb04ac6c1a6693b98bc661c747b41bf02087b679d9803730c199f94a95b732e16f7ca969ea18bb4160282eb262407523078cc6754e93bdb062c42c6f4a814b566be4595fa18fc3a209"], 0x68, 0x4000}, 0x40000) r3 = getpgrp(0x0) kcmp(r2, r3, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$EVIOCGBITKEY(r4, 0x80404521, &(0x7f0000000000)=""/25) 2018/04/09 20:35:33 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x40000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:33 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) mq_unlink(&(0x7f0000000100)="23766d6e657430656d315d73797374656d76469b86679c8a367344743180e79a21cd7d12c2e22b8b27285435f270c53799d5a4a0bdd2778d6d892fc3cc77855e2aa70f3c7620125b000e429637c0d94b5b521bc22c6c818a97f4b6f0caa03e741450cf34d3ac3f6428a1bb232bb2b279dafd7bd941fe707053655b2ab1f12fb613b5cd43d97a84260505d1499869e879625666e61700000000") ioctl$void(r0, 0xc0045878) 2018/04/09 20:35:33 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x40000000}, 0x1c) 2018/04/09 20:35:33 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x3001000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:33 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x100000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:33 executing program 0: memfd_create(&(0x7f0000000000)='filter\x00', 0x0) r0 = memfd_create(&(0x7f000001cffb)='.\x00', 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) nanosleep(&(0x7f0000000080)={r1, r2+10000000}, &(0x7f00000000c0)) r3 = syz_open_dev$sndseq(&(0x7f0000042ff3)='/dev/snd/seq\x00', 0x0, 0x20002) fcntl$getflags(r0, 0x1) r4 = dup2(r3, r0) socketpair$inet6(0xa, 0x0, 0x9, &(0x7f0000000100)) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r4, 0xc08c5332, &(0x7f0000041f74)={0x0, 0x0, 0x0, 'queue1\x00'}) write$sndseq(r0, &(0x7f0000000000)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @control}], 0x30) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r3, 0x4040534e, &(0x7f000003a000)={0x312, @time}) 2018/04/09 20:35:33 executing program 1: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = accept4(0xffffffffffffffff, &(0x7f0000000000)=@ax25, &(0x7f0000000080)=0x80, 0x80800) sendmsg$nl_generic(r2, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000800}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="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"], 0x168}, 0x1, 0x0, 0x0, 0x90}, 0x10) r3 = getpgrp(0x0) kcmp(r1, r3, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:33 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000f64fa8)={0x26, 'aead\x00', 0x0, 0x0, 'rfc4543(rfc4106(rfc4543(authenc(rmd128-generic,ecb-des3_ede-asm)'}, 0x58) r1 = syz_open_dev$sndmidi(&(0x7f0000000400)='/dev/snd/midiC#D#\x00', 0x10000000020, 0x210000) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r1, 0xc0145401, &(0x7f0000000180)={0xffffffffffffffff, 0x1, 0xa, 0x3, 0x8}) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x190ffe, 0x0) getsockopt$inet_buf(r2, 0x0, 0x0, &(0x7f00000005c0)=""/207, &(0x7f00000000c0)=0xcf) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000340)={0xa, &(0x7f00000002c0)=[{0x95e, 0x16c, 0x7fff, 0x351b}, {0x6, 0x1, 0x9e2b, 0x800}, {0x0, 0xcd44, 0x14b, 0x1}, {0x7fffffff, 0x7, 0x20, 0x100}, {0x7a, 0x259, 0x76c5, 0x9}, {0x2000000000, 0xc94a, 0xa36, 0x81}, {0x7ff, 0x6, 0x6, 0x40}, {0x0, 0x5, 0x50e, 0x6}, {0x800, 0x9, 0x0, 0x6}, {0x1, 0x3, 0x40, 0x20}]}, 0x10) ioctl$KVM_SET_NR_MMU_PAGES(r0, 0xae44, 0x8) getpeername(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, &(0x7f0000000080)=0x80) r4 = shmget$private(0x0, 0x2000, 0x410, &(0x7f0000ffd000/0x2000)=nil) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffff9c, 0xc00c642d, &(0x7f0000000380)={0x0, 0x80000, r2}) splice(r2, &(0x7f0000000140), r0, &(0x7f00000001c0), 0x3dc, 0x9) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r3, 0x84, 0x6b, &(0x7f0000000440)=[@in={0x2, 0x4e24}, @in6={0xa, 0x4e22, 0x0, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x1ff}, @in6={0xa, 0x4e23, 0xa45, @mcast1={0xff, 0x1, [], 0x1}}, @in={0x2, 0x4e22, @multicast2=0xe0000002}], 0x58) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000003c0)={r5, 0x80000, r2}) shmctl$SHM_UNLOCK(r4, 0xc) 2018/04/09 20:35:33 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:33 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:33 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x6001000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:33 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x11000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:33 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) mmap(&(0x7f0000d18000/0x4000)=nil, 0x4000, 0x1, 0x32, 0xffffffffffffffff, 0x0) ioctl$KVM_TPR_ACCESS_REPORTING(r2, 0xc028ae92, &(0x7f0000000000)) 2018/04/09 20:35:33 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x4002}, 0x1c) 2018/04/09 20:35:33 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x2], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:33 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x1000000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:33 executing program 4: r0 = inotify_init1(0x0) r1 = getpid() fcntl$setown(r0, 0x8, r1) r2 = dup3(r0, r0, 0x80000) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000080)={0x0, 0xa987, 0x8, 0x9, 0x4, 0xd4, 0x100000001, 0xe942, {0x0, @in6={{0xa, 0x4e23, 0x0, @remote={0xfe, 0x80, [], 0xbb}}}, 0x7, 0x18000, 0x101, 0x13, 0x8}}, &(0x7f0000000140)=0xb0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000180)={r3, @in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x1a}}}, 0x5, 0x8, 0xffff, 0x8001, 0x40}, &(0x7f0000000280)=0x98) r4 = getpgrp(0x0) kcmp(0x0, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r5 = socket$unix(0x1, 0x2, 0x0) fcntl$getown(r2, 0x9) getsockopt$SO_TIMESTAMPING(r5, 0x1, 0x25, &(0x7f00000002c0), &(0x7f0000000040)=0x137) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:33 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x3, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:33 executing program 7: r0 = open(&(0x7f0000000040)='./file0\x00', 0xeca1a966f11d4e1c, 0x4) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000180)) r1 = socket$inet6(0xa, 0x2100000000000002, 0x0) renameat(r0, &(0x7f00000001c0)='./file0\x00', r0, &(0x7f0000000200)='./file0\x00') connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000080)={{{@in6=@remote={0xfe, 0x80, [], 0xbb}, @in6=@loopback={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@dev={0xac, 0x14, 0x14}, 0x0, 0x2b}, 0x0, @in6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x0, 0x1, 0x0, 0x2}}, 0xe8) sendmsg(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000026c0), 0x0, &(0x7f0000000040)}, 0x0) 2018/04/09 20:35:33 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xffffff91}, 0x1c) 2018/04/09 20:35:34 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x60], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:34 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14, 0x0, 0x0, 0x300000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:34 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) r2 = syz_open_dev$audion(&(0x7f0000000080)='/dev/audio#\x00', 0x7, 0x40000) ioctl$sock_netdev_private(r2, 0x89fd, &(0x7f00000000c0)="25ef6c44ba04a920dde79db1e0bcb51848c3ac8984904ad315df4cf244df802a71e2c7d689676d6ea194996550dd2ebbcea6d3936f714cbdf763a7be047e4797b72073") r3 = getpgrp(0x0) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x800, 0x0) ioctl$TUNSETNOCSUM(r4, 0x400454c8, 0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:34 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x9}, 0x1c) 2018/04/09 20:35:34 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x80fe, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:34 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='map_files\x00') ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000040)=0x0) setpriority(0x1, r1, 0x0) ioctl$EVIOCGPROP(r0, 0x80404509, &(0x7f0000000800)=""/134) openat$cgroup_int(r0, &(0x7f0000000080)="632d73ef0700000002000000", 0x2, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000640)=@assoc_id=0x0, &(0x7f0000000680)=0x4) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f00000006c0)={r2, @in={{0x2, 0x4e20}}, 0x9, 0x6, 0x6, 0x4, 0x3}, &(0x7f0000000780)=0x98) process_vm_writev(r1, &(0x7f0000000180)=[{&(0x7f00000000c0)=""/46, 0x2e}, {&(0x7f0000000100)=""/80, 0x50}], 0x2, &(0x7f00000005c0)=[{&(0x7f00000001c0)=""/255, 0xff}, {&(0x7f00000002c0)=""/9, 0x9}, {&(0x7f0000000300)=""/156, 0x9c}, {&(0x7f00000003c0)=""/238, 0xee}, {&(0x7f00000004c0)=""/254, 0xfe}], 0x5, 0x0) setsockopt$llc_int(r0, 0x10c, 0xf, &(0x7f00000007c0)=0x100, 0x4) 2018/04/09 20:35:34 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000000140), 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000080)='dctcp\x00', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x10080, 0x35) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) sendto$inet(r0, &(0x7f0000fa0fff), 0x0, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='scalable\x00', 0x9) shutdown(r0, 0x1) 2018/04/09 20:35:34 executing program 1: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) statfs(&(0x7f0000000200)='./file0\x00', &(0x7f0000000280)=""/14) kcmp(r1, r2, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) pivot_root(&(0x7f0000000440)='./file1\x00', &(0x7f0000000480)='./file1\x00') lstat(&(0x7f0000000300)='./file1\x00', &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x1, &(0x7f00000003c0)=[0xffffffffffffffff]) lchown(&(0x7f00000002c0)='./file1\x00', r3, r4) r5 = socket$inet6(0xa, 0x4000000001, 0xfffffffffffff800) r6 = fcntl$dupfd(r0, 0x406, r5) setsockopt$packet_buf(r6, 0x107, 0x5, &(0x7f00000001c0)="8be801875623bd93ba7ff7be8cd8618c16cd01db933f80238474264c4a4c67692c446922bd7405519164fef0e411f808c95b1c", 0x33) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000000)={0x0, 0x5}, &(0x7f0000000040)=0x8) setsockopt(r5, 0x4, 0x6, &(0x7f0000000780)="b544bba6ad000ad8880e280404791bf7d41668767ee3", 0x16) unlinkat(r0, &(0x7f00000007c0)='./file1\x00', 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r5, 0x84, 0x6f, &(0x7f0000000100)={r7, 0x58, &(0x7f0000000080)=[@in6={0xa, 0x4e20, 0x8211, @loopback={0x0, 0x1}, 0x1}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xe}}, @in6={0xa, 0x4e24, 0xa69, @loopback={0x0, 0x1}, 0x1}, @in={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}]}, &(0x7f0000000140)=0x10) kcmp(r1, r2, 0x0, r6, r6) r9 = creat(&(0x7f0000000240)='./file0\x00', 0x0) getsockopt$inet_IP_XFRM_POLICY(r9, 0x0, 0x11, &(0x7f00000004c0)={{{@in6, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@multicast2}}, &(0x7f00000005c0)=0xe8) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r6, 0x84, 0x1b, &(0x7f0000000640)={r8, 0xe3, "968253dafc24e63936ff486727ab7c48b4965a5f5f6a8420b18e1a24463c56e0166bf2678b3c79c0e6d9a4f9086dba8ca32162a1c1906b502796ef7fff9e5edb044ebcc92f88887a5ba24280a6ea300af08dcac7fdcc319e446f654e7a840378760cd556edd3c6c3293f980c184d8169646352db7ac0cbd5d39434d125892963ab27e533e02d098b3b135ed9970b9c96440daa53d51dc0be6855a09fed36bf1ec1ef3707c42b494fb7b8b432a2f5f5b60635e9798837f4634d4152c0370504bb822582fc4f6c12d00d5dee0827e1ec09ade56a8d2e5ff0342a8d9c0890945853175e76"}, &(0x7f0000000740)=0xeb) setsockopt$packet_drop_memb(r6, 0x107, 0x2, &(0x7f0000000600)={r10, 0x1, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) fchdir(r5) 2018/04/09 20:35:34 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2b, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:34 executing program 4: r0 = inotify_init1(0x807fc) fcntl$setown(r0, 0x8, 0xffffffffffffffff) r1 = getpgrp(0x0) kcmp(0x0, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:34 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:34 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xc0fe, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:34 executing program 7: r0 = socket(0x1e, 0x1, 0x0) r1 = syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x5, 0x111040) perf_event_open(&(0x7f0000fdef88)={0x2, 0x70, 0xe3, 0x200, 0x0, 0x41d7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0x0, r1, 0x0) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r0, 0x29, 0xd3, &(0x7f0000000080)={{0xa, 0x4e20, 0x8000, @mcast2={0xff, 0x2, [], 0x1}, 0x8001}, {0xa, 0x4e23, 0x3f, @empty, 0x800}, 0x8, [0x2f, 0x0, 0x51e, 0x7ff, 0x8, 0x0, 0x100000000, 0x7]}, 0x5c) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000040)) shutdown(r0, 0x2) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0x1, 0x4) 2018/04/09 20:35:34 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xe00000000000000}, 0x1c) 2018/04/09 20:35:34 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'pcbc(aes-fixed-time)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) ioctl$sock_inet6_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000000)) sendmsg$alg(r1, &(0x7f00004f0000)={0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000340)="11f0ce816e3e86e498ffde8e889d90a0", 0x10}], 0x1, &(0x7f0000000080)}, 0x0) recvmsg(r1, &(0x7f0000000180)={&(0x7f0000000240)=@hci, 0x80, &(0x7f0000ae0fc0)=[{&(0x7f0000b9ff8b)=""/117, 0x75}], 0x1, &(0x7f0000837f57)=""/169, 0xa9}, 0x0) 2018/04/09 20:35:34 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x600000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:34 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(r1) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = socket(0x10, 0x2, 0x0) setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, &(0x7f00000001c0)={0x2, &(0x7f0000000200)=[{0x200000000044}, {0x6}]}, 0x10) sendmsg$nl_route(r3, &(0x7f00000004c0)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000440)=@ipv6_getroute={0x1c, 0x1a, 0x1, 0x0, 0x0, {0xa}}, 0x1c}, 0x1}, 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:35 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x4000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:35 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x5, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:35 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x20480, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:35 executing program 0: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/self/net/pfkey\x00', 0x20000, 0x0) getpeername$packet(r0, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000400)=0xfffffffffffffd59) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="08bf26240bad1aaf1f"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195, 0x0, 0x0, [], r1}, 0x48) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000200)) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x5, 0x5, &(0x7f0000000340)=ANY=[@ANYBLOB="b40005ba88ec32f772764600000025000000f9e5d28b7ef7138fff060100000000000095000002ffff725f0000008b6865881f04bf2f3a078622df4b590616e377db6dc39578b456b7f3021d1725df9133996b458a345a5f4f1031ef083ed899"], &(0x7f0000003ff6)='GPL\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195}, 0x48) r3 = memfd_create(&(0x7f00000001c0)='\x00\x00\x00\x00', 0x2) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000140)={0x1f, {0x2, 0x4e20}, {0x2, 0x4e22}, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x16}}, 0x269, 0x8, 0x6, 0x81, 0x7, &(0x7f0000000100)='bpq0\x00', 0x8001, 0x9, 0x1c}) modify_ldt$read_default(0x2, &(0x7f0000000280)=""/72, 0x48) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x80000, r3}) r5 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/cuse\x00', 0x101080, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r3, 0xc00c642d, &(0x7f0000000240)={r4, 0x80000, r5}) r6 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x9, 0x80000) ioctl$KVM_DIRTY_TLB(r6, 0x4010aeaa, &(0x7f0000000080)={0x0, 0x3}) r7 = socket(0x10, 0x3, 0x0) setsockopt$sock_attach_bpf(r7, 0x1, 0x32, &(0x7f0000000040)=r2, 0x4) write(r7, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) 2018/04/09 20:35:35 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x500000000000000}, 0x1c) 2018/04/09 20:35:35 executing program 7: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={"82262770216ff763abb3000000000005", 0x4012}) mmap(&(0x7f0000014000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x2) write$binfmt_aout(r0, &(0x7f0000000180)={{0x1cc, 0x50, 0xff, 0x129, 0x27d, 0xf03d, 0x17e, 0xfff}, "6f9930aba9acd4dbe7ce30854470d638033cca9193ed0e89c21cbc0b9c08d717d6acbfbe3214eabdeada49c7bbc6afda880c75ba53a7a70a394e4b80b06b4e22738dc951fa4afa0e583b34176771a82125f462695a61428263a866158d29b955d2ab1f396b59b3932faea6c5cdd2a0ad58f991ceedad6d6fb9ec6d2bd398e9b19d150c43d35babd2aeb028dd7f462e7b", [[], [], [], [], [], [], [], [], [], []]}, 0xab0) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f0000000040)={0x0, 0x2aaaaaaaaaaaac18}) 2018/04/09 20:35:35 executing program 1: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) prctl$void(0x3f) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:35 executing program 4: r0 = inotify_init1(0x0) r1 = syz_open_dev$dspn(&(0x7f0000000140)='/dev/dsp#\x00', 0x0, 0x149100) ioctl$EVIOCGNAME(r1, 0x80404506, &(0x7f0000000180)=""/20) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x80, 0x0) ioctl$GIO_SCRNMAP(r4, 0x4b40, &(0x7f0000000040)=""/227) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:35 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x4000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:35 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfec0000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:35 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2900000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:35 executing program 0: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000, 0x8, 0x9, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x101000, 0x1) ioctl$KVM_PPC_GET_SMMU_INFO(r1, 0x8250aea6, &(0x7f00000001c0)=""/36) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f00000002c0)) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000080)={0x1, 0x0, 0x40, 0x5, 0x9, 0x1, 0x4, 0x2, 0x0, 0x1f}) r2 = dup2(r0, r0) ioctl$KVM_GET_DEVICE_ATTR(r2, 0x4018aee2, &(0x7f0000000180)={0x0, 0x5, 0x9, &(0x7f0000000140)}) set_mempolicy(0x2, &(0x7f0000000180)=0x1, 0x90) r3 = request_key(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000380)='/selinux/enforce\x00', 0xfffffffffffffffa) r4 = add_key(&(0x7f00000003c0)='encrypted\x00', &(0x7f0000000400)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000440)="08971d278395e5c4feead88ce5f7c24590ad4518d0c82dfbf1", 0x19, 0xffffffffffffffff) keyctl$link(0x8, r3, r4) r5 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce\x00', 0x20202, 0x0) mknod$loop(&(0x7f0000000280)='./file1\x00', 0x20, 0x1) write$sndseq(r5, &(0x7f00000001c0)=[{0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @queue}], 0x30) mmap$binder(&(0x7f0000fc0000/0x2000)=nil, 0x2000, 0x0, 0x2013, r2, 0x1000000000) getsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000200), &(0x7f0000000240)=0xfffffffffffffd67) get_mempolicy(&(0x7f00000000c0), &(0x7f0000000100), 0x8001, &(0x7f0000fc1000/0x3000)=nil, 0x2) 2018/04/09 20:35:35 executing program 4: r0 = inotify_init1(0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r1, 0x40405514, &(0x7f00000000c0)={0x3, 0x5, 0x20, 0x230, "920103bb92617c7759f8621975ff27f4e065418446ebee1c0229d05bd9ced39f1dd431e5570fcbe611462b41", 0x7}) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) r4 = syz_open_procfs(r3, &(0x7f0000000000)='cpuset\x00') ioctl$LOOP_CHANGE_FD(r4, 0x4c06, r1) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000040)={0x0, r4, 0x3, 0x2}, 0x14) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:35 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x100000000000000}, 0x1c) 2018/04/09 20:35:35 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x3], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 345.077130] encrypted_key: insufficient parameters specified 2018/04/09 20:35:35 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x402000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:35 executing program 4: r0 = inotify_init1(0x0) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000140)=0x0) getpgrp(0xffffffffffffffff) fcntl$setown(r0, 0x8, r1) r2 = gettid() ptrace$cont(0x1f, r2, 0xada4, 0x100) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x10800, 0x0) connect(r0, &(0x7f00000000c0)=@can={0x1d}, 0x80) ioctl$PPPIOCSFLAGS(r4, 0x40047459, &(0x7f0000000040)=0x400000) syz_open_dev$amidi(&(0x7f0000000080)='/dev/amidi#\x00', 0x97b7, 0x240200) r5 = getpgrp(0x0) kcmp(r3, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:35 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000040)="73657373696f6e696400765145f4bb7514d78c56de54826637bd38c066a9c459e228b5651a01c540acefe40a182bc990185fbc46a2cf6eaca3ab16c383cd8110254ec3dfab4125017c8d7ededaeafc8b9eea86b4b5387e0c054ccc632676061a213795c292b52dee0d4be803fdde251153389842e7f7521e5625e020c694a1bb1bd3c35fa67944") ioctl$TCSETS(r0, 0x5402, &(0x7f0000000180)={0xfffffffffffffff8, 0x80000000, 0x7, 0x1, 0x8001, 0x2, 0xe, 0x6c22, 0x9, 0x7fff, 0x7fffffff, 0x8}) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) read(r0, &(0x7f0000000100)=""/65, 0x4a1) [ 345.217418] encrypted_key: insufficient parameters specified 2018/04/09 20:35:36 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xb80b0000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:36 executing program 1: clone(0x200, &(0x7f0000000080), &(0x7f0000c53000), &(0x7f0000000180), &(0x7f0000000000)) mknod(&(0x7f0000f80000)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000ca5fe8), &(0x7f00006fcff0)) getrlimit(0xc, &(0x7f0000000000)) r0 = inotify_init1(0x80000) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000400)='./file1\x00', &(0x7f00000004c0), &(0x7f0000000500), 0x0) sync_file_range(r0, 0x891, 0x3, 0x1) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:36 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0xffffff80], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:36 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3f000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:36 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xff7fe720}, 0x1c) 2018/04/09 20:35:36 executing program 4: r0 = inotify_init1(0x0) r1 = gettid() fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = fcntl$dupfd(r0, 0x0, r0) getpgrp(0x0) kcmp(r2, r2, 0x6, r0, 0xffffffffffffffff) ioctl$sock_proto_private(r3, 0x89e3, &(0x7f00000002c0)="df1d7a9a") setsockopt$RDS_RECVERR(r3, 0x114, 0x5, &(0x7f0000000000)=0x1, 0x4) r4 = creat(&(0x7f0000000480)='./file0/file0\x00', 0x0) connect$netrom(r3, &(0x7f0000000280)=@ax25={0x3, {"9941f8464469fb"}, 0xfffffffffffffffd}, 0x10) ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r4, 0xc0a85322, &(0x7f0000000380)) ioctl$sock_SIOCBRDELBR(r3, 0x89a1, &(0x7f0000000340)='eql\x00') getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000000040)={{{@in6=@loopback, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@dev}}, &(0x7f0000000140)=0xe8) fstat(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000200)={r2, r5, r6}, 0xc) chroot(&(0x7f0000000300)='./file0\x00') poll(&(0x7f0000000240)=[{r0, 0x10}], 0x1, 0xa850) 2018/04/09 20:35:36 executing program 0: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000, 0x8, 0x9, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x101000, 0x1) ioctl$KVM_PPC_GET_SMMU_INFO(r1, 0x8250aea6, &(0x7f00000001c0)=""/36) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f00000002c0)) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000080)={0x1, 0x0, 0x40, 0x5, 0x9, 0x1, 0x4, 0x2, 0x0, 0x1f}) r2 = dup2(r0, r0) ioctl$KVM_GET_DEVICE_ATTR(r2, 0x4018aee2, &(0x7f0000000180)={0x0, 0x5, 0x9, &(0x7f0000000140)}) set_mempolicy(0x2, &(0x7f0000000180)=0x1, 0x90) r3 = request_key(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000380)='/selinux/enforce\x00', 0xfffffffffffffffa) r4 = add_key(&(0x7f00000003c0)='encrypted\x00', &(0x7f0000000400)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000440)="08971d278395e5c4feead88ce5f7c24590ad4518d0c82dfbf1", 0x19, 0xffffffffffffffff) keyctl$link(0x8, r3, r4) r5 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce\x00', 0x20202, 0x0) mknod$loop(&(0x7f0000000280)='./file1\x00', 0x20, 0x1) write$sndseq(r5, &(0x7f00000001c0)=[{0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @queue}], 0x30) mmap$binder(&(0x7f0000fc0000/0x2000)=nil, 0x2000, 0x0, 0x2013, r2, 0x1000000000) getsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000200), &(0x7f0000000240)=0xfffffffffffffd67) get_mempolicy(&(0x7f00000000c0), &(0x7f0000000100), 0x8001, &(0x7f0000fc1000/0x3000)=nil, 0x2) 2018/04/09 20:35:36 executing program 7: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x10041, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000fc7000)={0x1, 0x8, 0x58e7, 0xfffffffffffffffe, 0x0, r0, 0x3}, 0x2c) msgget(0x0, 0x140) 2018/04/09 20:35:36 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x30010000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:36 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0xff00], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 346.010676] encrypted_key: insufficient parameters specified 2018/04/09 20:35:36 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x7000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:36 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x3f000000}, 0x1c) 2018/04/09 20:35:36 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x8000, 0x0) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, r0, 0x0) set_mempolicy(0x8000, &(0x7f0000000040), 0x9) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40082406, &(0x7f0000000100)="256370757365746574683014656d30262d405b657468312700") r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x50200, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000decfe0)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000ffd000/0x1000)=nil}) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r0, 0x4008ae48, &(0x7f0000000140)=0x40000010004) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_SET_GUEST_DEBUG(0xffffffffffffffff, 0x4048ae9b, &(0x7f0000000000)={0x0, 0x0, [0x0, 0xfffffffffffffffe]}) 2018/04/09 20:35:36 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x130, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:37 executing program 7: r0 = semget$private(0x0, 0x7, 0x0) semop(r0, &(0x7f0000000040)=[{}, {0x3}, {0x0, 0xfffffffffffffff8}, {}], 0x4) semtimedop(r0, &(0x7f0000000000)=[{}, {0x2, 0xa3}], 0x2, &(0x7f0000000080)) r1 = open(&(0x7f00000000c0)='./file0\x00', 0x200, 0x92) clock_gettime(0x0, &(0x7f0000001100)={0x0, 0x0}) mq_timedsend(r1, &(0x7f0000000100)="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", 0x1000, 0x5, &(0x7f0000001140)={r2, r3+10000000}) 2018/04/09 20:35:37 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc0], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:37 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe00, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:37 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x91ffffff00000000}, 0x1c) 2018/04/09 20:35:37 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mmap(&(0x7f0000004000/0x2000)=nil, 0x2000, 0x0, 0x2c871, 0xffffffffffffffff, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000001c0)=ANY=[@ANYBLOB="ff"]) 2018/04/09 20:35:37 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:37 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x44002, 0x0) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000040)={0x0}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r1, 0x4010641c, &(0x7f0000000100)={r2, &(0x7f00000000c0)=""/22}) set_mempolicy(0x3, &(0x7f0000000080)=0x9, 0x81) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000f5ffe0)={@loopback={0x0, 0x1}}, 0x241) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000140)) 2018/04/09 20:35:37 executing program 4: r0 = inotify_init1(0x0) io_setup(0x7a, &(0x7f00000000c0)=0x0) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer\x00', 0x0, 0x0) r3 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000340)='/dev/rfkill\x00', 0x4000, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000400)='attr/fscreate\x00') r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000500)='/proc/sys/net/ipv4/vs/backup_only\x00', 0x2, 0x0) r6 = open(&(0x7f0000000680)='./file0\x00', 0x202002, 0x101) io_submit(r1, 0x5, &(0x7f0000000700)=[&(0x7f0000000200)={0x0, 0x0, 0x0, 0x2, 0x8, r0, &(0x7f0000000100)="526d22f82decc27421a5165eeb4f479802140b77072eb07853691ff5958b98389280faeef7d348bc6ec7cc8c710caeae83727f4b8755562e48de0f62f6a69a48abc430faf0ed86971d57c27d8a6daee584b9a5bd442586b1741fa493220479a8a674fd15cb0da7c44db55ce2d44cfa24b98974c06d836f1fd9c5c9e8f6a9b69290aae527f7", 0x85, 0x5dfec147, 0x0, 0x1, r2}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x2, 0xfffffffffffffffa, r0, &(0x7f0000000280)="86d678766859630621bed3780a2ee8f25fd30017062a8ee89d799603e09c09357b7d0fb48719adebc7d484566114ff72b64ce0d2d9f885b5f54985c6b35a4b21165c47e1c3912b6ad661e386f52d9ffceaaff259164f65829207396847e8d88312c560f428df913fc51b3a696669dafe184157b6e20564770a0874fe510efd6ab936b7d0f1fd64e4fa73166982af6d567811d421964e758d480b", 0x9a, 0x7fff, 0x0, 0x0, r3}, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x27c, r0, &(0x7f00000003c0)="e9d8ae5a8a334674aa8ae4c957e1a12b23e0214b1c8ec6d3a129f19a6e7c161c3e884cb3a78daea01ab7ab39842d560164dadbaaba8ac1b104c0071cf449c437", 0x40, 0x10001, 0x0, 0x0, r4}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x2, 0x4, r0, &(0x7f0000000480)="e2dc6f8fa186cd547d215f37e0a2a73907bc13e34d9a0a464a7aea9b72bd8c822180bcd01b795a1b0282289ed630dfb10d3062df8f380651deaba5846dcf4b355c99f6d600686bf3f58348b72c39ee5045271715eaaa8ede31bc7c1ad358d18463dec3a2b73d182505739528d511ef55516818b7ecb31c0ae3986c2fdd", 0x7d, 0x6, 0x0, 0x1, r5}, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x3, r0, &(0x7f0000000580)="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", 0xfc, 0x8000, 0x0, 0x1, r6}]) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r8 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x2) connect$nfc_llcp(r8, &(0x7f0000000040)={0x27, 0x0, 0x1, 0x6, 0xbb, 0x10001, "288aa3e9e0e65aea5ad516be78dcbe6f1a197a19966d67af676c57da15b9799ade33e3359932b5e7fe3e3f92d7e52ee908ddeada0e3d961afd74e9a49efbc1", 0x9}, 0x60) r9 = getpgrp(0x0) kcmp(r7, r9, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:37 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:37 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:37 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x6, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:37 executing program 4: r0 = inotify_init1(0x1) fcntl$setown(r0, 0x8, 0xffffffffffffffff) acct(&(0x7f0000000040)='./file0\x00') fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = openat(r0, &(0x7f0000000080)='./file0\x00', 0xc00, 0x2) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f00000000c0)={{{@in6=@remote, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@loopback}}, &(0x7f00000001c0)=0xe8) setsockopt$inet6_mreq(r2, 0x29, 0x1f, &(0x7f0000000200)={@mcast1={0xff, 0x1, [], 0x1}, r3}, 0x14) syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0xa0000000000, 0x101200) r4 = getpgrp(r1) kcmp(r1, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) close(r0) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:37 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x600}, 0x1c) 2018/04/09 20:35:37 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xff00], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:37 executing program 1: r0 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000040)={'vcan0\x00', 0x0}) connect$can_bcm(r0, &(0x7f0000001ff0)={0x1d, r1}, 0x10) r2 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x9, 0x8000) setsockopt$RDS_GET_MR_FOR_DEST(r2, 0x114, 0x7, &(0x7f0000000280)={@nfc={0x27, 0x1, 0x1, 0x5}, {&(0x7f0000000200)=""/38, 0x26}, &(0x7f0000000240), 0x45}, 0xa0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000000)=0x0) mq_notify(r2, &(0x7f0000000540)={0x0, 0xe, 0x1, @thr={&(0x7f0000000340)="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", &(0x7f0000000440)="87d6e5b231f227cee6f1fbb457e51bcf7aa138694dfbb3528ddee0ea0155f67f47f8987a73ec35df439d6c79428aaef76622f7e68c9069169179c28b16fe70320fa7511afebb8b2e0005c27e154c1954c8cf12d7f9af60f6676b5514158f3cb775dcac20d90b1a24351badaa4ba1f0ff0c2c5c2038bf190b6f6e48bf007afbf30bad868e8595816434ecd13c5937a654132e95596defb8b24dbc22621d03383c41590f0a92f4513f2e06d04260928e20a5e7c04bbed8ed103021183177bb0e5e384cbdf72ab036b66495"}}) setns(r0, 0x4000000) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x0, 0x0) accept4$llc(r4, 0x0, &(0x7f0000000580), 0x80000) tgkill(r3, r3, 0x26) ioctl$sock_bt_bnep_BNEPCONNADD(r4, 0x400442c8, &(0x7f0000000880)=ANY=[@ANYRES32=r0, @ANYBLOB="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"]) sendmsg$can_raw(r0, &(0x7f0000001fc8)={&(0x7f000000a000)={0x1d}, 0xffd1, &(0x7f0000000ff0)={&(0x7f000000a000)=@canfd={{0x1}, 0xfffffffffffffffd, 0x0, 0x0, 0x0, "0327e1b22b5fcef7739c699f5ff986ca08990039576a7d5cb2bdac3fa80acf584ecb5fee496e6866856b76b5f700000000000000004e2f9663a918fa1efd9b0b"}, 0xfeb8}, 0x1}, 0x0) 2018/04/09 20:35:38 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x9d, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce\x00', 0x20202, 0x0) write$binfmt_elf32(r0, &(0x7f0000000500)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20}, [{}]}, 0x58) r1 = semget(0x1, 0x1, 0x130) semctl$IPC_RMID(r1, 0x0, 0x0) 2018/04/09 20:35:38 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x13000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:38 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:38 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf8d, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:38 executing program 4: r0 = inotify_init1(0x80800) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0x4800, 0x0) getsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f00000001c0)=""/45, &(0x7f0000000200)=0x2d) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x1f, 0x101000) ioctl$sock_inet_SIOCSIFDSTADDR(r4, 0x8918, &(0x7f0000000100)={'nr0\x00', {0x2, 0x4e22, @broadcast=0xffffffff}}) r5 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x1ff, 0x2000) syz_open_dev$mice(&(0x7f0000000080)='/dev/input/mice\x00', 0x0, 0x400) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, &(0x7f0000000280)={0x0, @in6={{0xa, 0x4e23, 0x2, @empty, 0x2d}}, 0xfffffffffffffffd, 0x2655}, &(0x7f0000000340)=0x90) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, &(0x7f0000000380)={r6, @in={{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1}, 0x90) ioctl$sock_SIOCBRDELBR(r4, 0x89a1, &(0x7f0000000140)='bcsf0\x00') mkdirat(r5, &(0x7f0000000040)='./file0\x00', 0x8) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:38 executing program 1: r0 = memfd_create(&(0x7f000001cffb)='.\x00', 0x0) clock_getres(0x4, &(0x7f000000fff0)={0x0, 0x0}) ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x8, 0x3, 0x14, 0x14, "5fa19fc06c8685959212604793d660345e93382de22315946e27423fcb5ad8412b03119e2e9cd0af6b0e68860f6c3c34566599c2a77d0311bbfb2abe0c400775", "a2bdbc5dc57bbe44ec5a58687558f40eb25e02b12bfee02894ff2758b0cbbcbc", [0x401, 0x33]}) r2 = dup2(0xffffffffffffffff, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000041f74)={0x0, 0x0, 0x0, 'queue1\x00'}) write$sndseq(r0, &(0x7f0000000e50)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote={{0x40}, 0x0, &(0x7f0000045000)={0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @result}}}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x60) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(0xffffffffffffffff, 0xc04c5349, &(0x7f000003a000)={0x0, 0x807}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000003a000)={0x73d396bab89408d2, @time={0x0, r1}}) 2018/04/09 20:35:38 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xa00}, 0x1c) 2018/04/09 20:35:38 executing program 0: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 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={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/fib_trie\x00') sendfile(r0, r1, &(0x7f0000000000)=0x20000000, 0x80000007ff) getsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0xc) 2018/04/09 20:35:38 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x80fe, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:38 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:38 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:38 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x10000120}, 0x1c) 2018/04/09 20:35:38 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x84ffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:38 executing program 0: capset(&(0x7f0000be6ff8)={0x19980330}, &(0x7f000032e000)={0x0, 0xfffffffffffffffc}) r0 = creat(&(0x7f0000000000)='./file1\x00', 0x0) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='security.capability\x00', &(0x7f0000d9ffec)="0000000201000000000000010400000000000000", 0x14, 0x0) sendmsg(r0, &(0x7f00000011c0)={&(0x7f0000000040)=@vsock={0x28, 0x0, 0x0, @any=0xffffffff}, 0x80, &(0x7f0000001180)=[{&(0x7f00000000c0)="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", 0x1000}, {&(0x7f00000010c0)="c1783506e091e9b2eb2a3555f66957267bdef2c0fe69a44e8414919a355ba3638777042b3119489fa02b573370b3fc86c54d9a52ec110265a9022b9ba2bd772d6e9d705d26fa5495212ebb5a71a7d0756ad434bc21ac227f2814afe2c4c7fab91690f87b181eee06c1f8d1d2066d52e97d0873fa62777c9fec402f6848e8393606c045", 0x83}], 0x2, 0x0, 0x0, 0x20000001}, 0x4040095) 2018/04/09 20:35:38 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = accept$inet6(0xffffffffffffff9c, &(0x7f0000000040)={0x0, 0x0, 0x0, @mcast1}, &(0x7f0000000100)=0x1c) getsockopt$inet6_tcp_int(r0, 0x6, 0x15, &(0x7f0000000140), &(0x7f0000000180)=0x4) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000536ff7)='/dev/kvm\x00', 0xfffffffffffffffd, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = eventfd2(0xfffffffffffffffd, 0x80000) ioctl$KVM_ASSIGN_DEV_IRQ(r2, 0x4040ae70, &(0x7f0000000240)={0x8, 0x8, 0x6, 0x4}) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f00000000c0)={0x0, &(0x7f000002d000), 0x2, r3, 0xa}) r4 = syz_open_dev$mice(&(0x7f00000001c0)='/dev/input/mice\x00', 0x0, 0x10000) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r4, 0x54a2) syz_open_dev$mouse(&(0x7f0000000200)='/dev/input/mouse#\x00', 0x5, 0x90040) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000080)={0x0, &(0x7f000002d000), 0x1, r3, 0x3}) 2018/04/09 20:35:38 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) recvfrom$inet6(r2, &(0x7f0000000000)=""/54, 0x36, 0x10000, &(0x7f0000000040)={0xa, 0x4e22, 0x6a, @remote={0xfe, 0x80, [], 0xbb}, 0x80000001}, 0x1c) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:38 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfe80000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:38 executing program 0: sendto$inet6(0xffffffffffffffff, &(0x7f0000000200)="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", 0x1a6, 0x4, &(0x7f0000001000)={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x2}, 0x347) r0 = socket$inet6_sctp(0xa, 0x2000000000000005, 0x84) r1 = syz_open_dev$sndpcmc(&(0x7f0000000940)='/dev/snd/pcmC#D#c\x00', 0x6, 0x800) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000100)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, @in6={0xa, 0x4e21, 0x30a5928a, @loopback={0x0, 0x1}, 0x7}], 0x2c) setsockopt$inet_buf(r1, 0x0, 0x3f, &(0x7f0000000980)="a152605272b12fc20d78195e2c1250f74a9dbc5be888df26a3c2dab93e5ee937c887c615361c78984ae9310dbd1a4a84a7392b04c27d765c8d411b4c42d486f5aa8e291e759e2745f8e1c529c2771fc2f3efef3e5ca6ad9050235f0d436724018b1b6f6b1cff6b7e5d0b494f689a8b3be60687823b2006a5bec9e80b6cd69ade6ed043062949e97650dd46b8d3251514120f495f2af430ce94c16a4590a59000fe380fa054a1a96438bd9b428f7a8d53474233576e32a39c2a72a39f6354b27f92d7f840a48e1a39c87129", 0xcb) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000000)=@assoc_id=0x0, &(0x7f0000000040)=0x4) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000080)={r2, 0x8, 0x20}, &(0x7f00000000c0)=0xc) ioctl$sock_ifreq(r0, 0x89f3, &(0x7f00000001c0)={'tunl0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) 2018/04/09 20:35:38 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3c00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:38 executing program 4: r0 = inotify_init1(0x0) utimes(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={{0x77359400}}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000100)) r1 = getpgrp(0x0) fcntl$setown(r0, 0x8, r1) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x100, 0x48200) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000040)) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:38 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x8066435}, 0x1c) 2018/04/09 20:35:38 executing program 1: r0 = syz_open_dev$sg(&(0x7f0000223ff7)='/dev/sg#\x00', 0x0, 0x0) perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000180)=ANY=[@ANYRES32=r1, @ANYBLOB="48000000ad95a0e808504c96af30f453bfa0ae993f61a29cd38bc580e833c9f5430bb08ba5cf627089464f376775a09c9557f7d46f280ad614c0ca6dadeda9eaf0b31a3fd3d21d5e4bb2376541108c1ac4a2905dcd5e37fd900964a86943ce1fc77932625ccbff95512581661532c4adc6f6df52b4dd04e485dac37292526a2ec63a207c50f73e9dc124bf3727ed9884744ade26a45baee8af95ded66978b53d0239d5b2363873ed70ec0618e490fdb5edbb2a3171cd8c9c1387da"], &(0x7f0000000140)=0x50) ioctl(r0, 0x2275, &(0x7f00000000c0)) 2018/04/09 20:35:38 executing program 7: r0 = perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket(0x10, 0x3, 0x0) write(r0, &(0x7f00000000c0)="36000000130047f10756ed0ca801c1b00e000000000000000100000009ef1803ff00f132050014006e3590f61b5f5c8cff80fabbc59f9191d93a", 0xffffffffffffff12) 2018/04/09 20:35:38 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 348.271151] sctp: [Deprecated]: syz-executor0 (pid 24441) Use of int in maxseg socket option. [ 348.271151] Use struct sctp_assoc_value instead 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xa00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x3f7bde6400000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:39 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfc000000}, 0x1c) 2018/04/09 20:35:39 executing program 1: r0 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x1f, 0x111000) ioctl$KDGKBTYPE(r0, 0x4b33, &(0x7f0000000080)) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'sha384\x00'}, 0x58) r2 = accept$alg(r1, 0x0, 0x0) unshare(0x2102000) recvmsg(r2, &(0x7f0000000480)={&(0x7f00000000c0)=@nfc_llcp, 0x80, &(0x7f0000000400), 0x0, &(0x7f0000da2000)}, 0x0) [ 348.354887] sctp: [Deprecated]: syz-executor0 (pid 24441) Use of int in maxseg socket option. [ 348.354887] Use struct sctp_assoc_value instead 2018/04/09 20:35:39 executing program 7: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000880)={0xffffffffffffffff, 0xffffffffffffffff}) sendto$inet(r0, &(0x7f00000008c0)="104ff9d44f894bd7c3b83b5814a0b2a86c8bd0071e20bc418c9cab6208a95326bb9ecedef410413c76b13c2740c3cbd0f83c261bbb46266e2f4eb076322575f9890f6f1038943cf4b9232ea34a9c5ee6dd19b20a45b5f55beaf6f49dfa8414bfb5f932820fe0dae965d19eeb97c2bf56d38afe672c7383da2cde5716246f268b4bab95c7c89a5d9e33d9aa165407ad71cabdc4e4c0da730ac39ba5c5a0e7990bfac0562e8d11aaabcbb07c8ba7fa78be757ebaf4ab39d2694843b0ea7a024d67af64d801c56db67aadc59ee1458df8021b74f07ed307d3d0210da5509b6103b745db8d1a3813a2c1daefba8336d8e1", 0xef, 0x8000, &(0x7f00000009c0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) getsockopt$inet_int(0xffffffffffffffff, 0x0, 0x15, &(0x7f000089cffc), &(0x7f0000000000)=0x4) 2018/04/09 20:35:39 executing program 4: r0 = inotify_init1(0x0) getsockopt$sock_buf(r0, 0x1, 0x1c, &(0x7f0000000280)=""/4096, &(0x7f0000000000)=0x1000) fcntl$setown(r0, 0x8, 0xffffffffffffffff) r1 = getpgrp(0x0) kcmp(0x0, r1, 0x8, r0, r0) kcmp(0x0, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x402, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x3}, 0x1c) 2018/04/09 20:35:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x2) writev(r0, &(0x7f0000000040)=[{&(0x7f00006bb000)="4800000014001900ce0000000000000002113b850e1de0974881000000fe09a2bc4a58049164643e89000000de213ee20700000000000000005bff2b000000000000070000000000", 0x48}], 0x1) r1 = dup2(r0, r0) getsockopt$IP6T_SO_GET_ENTRIES(r1, 0x29, 0x41, &(0x7f0000000100)={'security\x00', 0xb7, "cf3ffdb0e0722b311c2d73a998efe03924aadefe50d8a58bac62f55e080b2ff857dc691f181285aa3d5e827009610a38959d7d461ec5c92d1c5b3737690161a6626a7bcac63a88f259ea95d6ae70c7c13ee6fe8be79ab02fe8269e994caa3c43f86e10aa9bfe2f0885ed5a4311ae08dcb1b7f8bb54063a5c7be4f49dae5a67b93ede32b675680773489b4d9edad08204dfe2c944f95e87215e102f4fb43348448478feac74fc4128fb59389248a80568959fc5ecbeceb8"}, &(0x7f0000000200)=0xdb) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000000)={r1, 0x50, &(0x7f0000000080)}, 0x10) 2018/04/09 20:35:39 executing program 0: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000100)='team\x00') getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f00000008c0)={{{@in6=@remote, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@remote}}, &(0x7f00000009c0)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000a00)={{{@in=@remote, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in=@rand_addr}}, &(0x7f0000000b00)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000c00)={{{@in=@dev, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in=@rand_addr}}, &(0x7f0000000d00)=0xe8) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000000d40)={{{@in=@multicast1, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@local}}, &(0x7f0000000e40)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000007400)={{{@in=@broadcast, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in=@multicast1}}, &(0x7f0000007500)=0xe8) recvmmsg(0xffffffffffffff9c, &(0x7f000000ba00)=[{{&(0x7f0000007840)=@hci, 0x80, &(0x7f0000007ac0)=[{&(0x7f00000078c0)=""/223, 0xdf}, {&(0x7f00000079c0)=""/126, 0x7e}, {&(0x7f0000007a40)=""/83, 0x53}], 0x3, 0x0, 0x0, 0x2}, 0x24}, {{&(0x7f0000007b00)=@in={0x0, 0x0, @local}, 0x80, &(0x7f0000008d40)=[{&(0x7f0000007b80)=""/4, 0x4}, {&(0x7f0000007bc0)=""/206, 0xce}, {&(0x7f0000007cc0)=""/3, 0x3}, {&(0x7f0000007d00)=""/33, 0x21}, {&(0x7f0000007d40)=""/4096, 0x1000}], 0x5, &(0x7f0000008dc0)=""/162, 0xa2, 0x101}, 0x5}, {{&(0x7f0000008e80)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @local}}}, 0x80, &(0x7f0000009180)=[{&(0x7f0000008f00)=""/94, 0x5e}, {&(0x7f0000008f80)=""/196, 0xc4}, {&(0x7f0000009080)=""/236, 0xec}], 0x3, &(0x7f00000091c0)=""/230, 0xe6, 0x4}, 0x7}, {{&(0x7f00000092c0)=@alg, 0x80, &(0x7f0000009740)=[{&(0x7f0000009340)=""/110, 0x6e}, {&(0x7f00000093c0)=""/10, 0xa}, {&(0x7f0000009400)=""/226, 0xe2}, {&(0x7f0000009500)=""/255, 0xff}, {&(0x7f0000009600)=""/46, 0x2e}, {&(0x7f0000009640)=""/245, 0xf5}], 0x6, 0x0, 0x0, 0x3}, 0x3}, {{&(0x7f00000097c0)=@rc, 0x80, &(0x7f000000aa80)=[{&(0x7f0000009840)=""/173, 0xad}, {&(0x7f0000009900)=""/203, 0xcb}, {&(0x7f0000009a00)=""/83, 0x53}, {&(0x7f0000009a80)=""/4096, 0x1000}], 0x4, &(0x7f000000aac0)=""/94, 0x5e, 0x5}, 0x6}, {{&(0x7f000000ab40)=@sco, 0x80, &(0x7f000000ad80)=[{&(0x7f000000abc0)=""/181, 0xb5}, {&(0x7f000000ac80)=""/7, 0x7}, {&(0x7f000000acc0)=""/185, 0xb9}], 0x3, &(0x7f000000adc0)=""/250, 0xfa, 0x7cbf}, 0x7}, {{&(0x7f000000aec0)=@in6={0x0, 0x0, 0x0, @dev}, 0x80, &(0x7f000000afc0)=[{&(0x7f000000af40)=""/65, 0x41}], 0x1, &(0x7f000000b000)=""/119, 0x77, 0x4}, 0x55}, {{0x0, 0x0, &(0x7f000000b140)=[{&(0x7f000000b080)=""/49, 0x31}, {&(0x7f000000b0c0)=""/116, 0x74}], 0x2, &(0x7f000000b180)=""/150, 0x96, 0x7}, 0x400}, {{0x0, 0x0, &(0x7f000000b680)=[{&(0x7f000000b240)=""/34, 0x22}, {&(0x7f000000b280)=""/115, 0x73}, {&(0x7f000000b300)=""/13, 0xd}, {&(0x7f000000b340)=""/202, 0xca}, {&(0x7f000000b440)=""/157, 0x9d}, {&(0x7f000000b500)=""/136, 0x88}, {&(0x7f000000b5c0)=""/158, 0x9e}], 0x7, &(0x7f000000b700)=""/229, 0xe5, 0x3}, 0x1}, {{&(0x7f000000b800)=@hci={0x0, 0x0}, 0x80, &(0x7f000000b8c0)=[{&(0x7f000000b880)=""/64, 0x40}], 0x1, &(0x7f000000b900)=""/211, 0xd3, 0x4}, 0xfffffffffffffffa}], 0xa, 0x120, 0x0) accept$packet(0xffffffffffffffff, &(0x7f000000c080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f000000c0c0)=0x14) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f000000c100)={{{@in=@broadcast, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in6=@mcast2}}, &(0x7f000000c200)=0xe8) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f000000e640)={{{@in6=@remote, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @multicast2}}, 0x0, @in=@multicast1}}, &(0x7f000000e740)=0xe8) getsockname$packet(0xffffffffffffffff, &(0x7f000000e7c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f000000e800)=0x14) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f000000e840)={{{@in6=@loopback, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@loopback}}, &(0x7f000000e940)=0xe8) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x24, &(0x7f0000013440)={@local, @local, 0x0}, &(0x7f0000013480)=0xc) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000134c0)={0x0, @loopback}, &(0x7f0000013500)=0xc) socket$inet6(0xa, 0x801, 0x100000001) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000014fc0)={{{@in6=@local, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@dev}}, &(0x7f00000150c0)=0xe8) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f000001e880)={'erspan0\x00', 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000021500)={{{@in=@local, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@remote}}, &(0x7f0000021600)=0xe8) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000021640)={0x0, @empty, @multicast2}, &(0x7f0000021680)=0xc) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f00000217c0)={'syz_tun\x00', 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000021880)={{{@in6=@mcast2, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@loopback}}, &(0x7f0000021980)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000022f40)={{{@in6=@dev, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@remote}}, &(0x7f0000023040)=0xe8) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f00000237c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000023780)={&(0x7f0000023080)={0x6d4, r1, 0x402, 0x70bd2c, 0x25dfdbfc, {0x3}, [{{0x8, 0x1, r2}, {0x174, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r3}}, {0x8, 0x7}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r4}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x13}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x9}}, {0x8, 0x6, r6}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4}}, {0x8, 0x6, r7}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7}}}]}}, {{0x8, 0x1, r8}, {0x44, 0x2, [{0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x83}}, {0x8, 0x7}}}]}}, {{0x8, 0x1, r9}, {0x224, 0x2, [{0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x101}}, {0x8, 0x6, r10}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x2}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r11}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x20}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r12}}, {0x8, 0x7}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x84}}, {0x8, 0x6, r13}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}]}}, {{0x8, 0x1, r14}, {0xc0, 0x2, [{0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r15}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7fffffff}}, {0x8, 0x6, r16}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4}}, {0x8, 0x6, r17}}}]}}, {{0x8, 0x1, r18}, {0x134, 0x2, [{0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x6}}, {0x8, 0x6, r19}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x20}}, {0x8, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4}}, {0x8, 0x6, r20}}}]}}, {{0x8, 0x1, r21}, {0xc0, 0x2, [{0x4c, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x1c, 0x4, [{0x9, 0x4, 0x2, 0x6}, {0xffffffffffffffff, 0x401, 0xb956, 0x8}, {0xaf4, 0xd1a, 0x9, 0x2}]}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xff}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x9}}}]}}]}, 0x6d4}, 0x1, 0x0, 0x0, 0x240008c0}, 0x8000) ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000002000)={0x0, 0x0, 0x0, 0x1c3}) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x5, &(0x7f0000002000)=@framed={{0x18}, [@jmp={0x7}], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x3, 0xc3, &(0x7f0000386000)=""/195}, 0x48) 2018/04/09 20:35:39 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x8) 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x21, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x500, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffff87, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 7: creat(&(0x7f000078dff8)='./file0\x00', 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) link(&(0x7f0000f3bff8)='./file0\x00', &(0x7f00009db000)='./file1\x00') dup2(0xffffffffffffffff, 0xffffffffffffffff) futex(&(0x7f0000000040)=0x2, 0x7, 0x0, &(0x7f0000000080)={0x0, 0x1c9c380}, &(0x7f00000000c0)=0x2, 0x0) 2018/04/09 20:35:39 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) r3 = add_key(&(0x7f00000001c0)='ceph\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000280)="861c72043341e343f892242060f88b4a5183d399bd304df7c320b4293d782d415e02f225322d44c9eb19c0182388f811a453f5140cadc36e64fba79430de9b3f342ddf3fa83fff44596f2eeabd6d1fd470c6cb52cfe7264f99e5fb", 0x5b, 0xfffffffffffffff9) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000300)={0x0, 0x0}, &(0x7f0000000340)=0xc) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000380)={0x0, 0x0, 0x0}, &(0x7f00000003c0)=0xc) keyctl$chown(0x4, r3, r4, r5) r6 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0xfcf, 0x200080) ioctl$TCSETSF(r6, 0x5404, &(0x7f0000000080)={0x200, 0x9, 0x9, 0xea, 0x6, 0x8, 0xff, 0x4, 0x93, 0x8, 0x3, 0x4}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0xffff) ioctl$GIO_UNIMAP(r6, 0x4b66, &(0x7f0000000180)={0x6, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}]}) getpeername$packet(r6, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000100)=0xfffffffffffffd12) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) io_setup(0x80000001, &(0x7f0000000400)=0x0) r8 = socket$inet_dccp(0x2, 0x6, 0x0) io_submit(r7, 0x8, &(0x7f0000000b80)=[&(0x7f0000000480)={0x0, 0x0, 0x0, 0x7, 0x6, r8, &(0x7f0000000440)="30c601eca5", 0x5, 0x200, 0x0, 0x1, r6}, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0, 0x100000001, r0, &(0x7f00000004c0)="be9bb53254ebfb0b3206c49c3722a39bb97637f059d88f95bd48b7bac273fd0b04ee780ad879819f6c6b807d149e73bb7c418d7fb3ebc4a74d3c55dcb64ed292fe982c5720833f6b3c4afbfcff8569accf4bcc28d4a902671db4b52190263f06115facdac0967b45682e323e735f19df51b7c5e0bf5976ddf3439afd00498eb9407296cb0af9b560df36a116ab5ee87085e0790b2f464a1862f8ae3361d3c49e7f7b1fb43e", 0xa5, 0xe3, 0x0, 0x1, r6}, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x6, 0x9, r6, &(0x7f00000005c0)="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", 0xfa, 0x1, 0x0, 0x1, r6}, &(0x7f0000000740)={0x0, 0x0, 0x0, 0xb, 0x35bb, r0, &(0x7f0000000700)="fe53638125eda21e290a4dbb899532c9ebac1f5c2bc82a4af849050e385d3f2a22d7776b06998614c2623fa84002d8", 0x2f, 0x80000000, 0x0, 0x1, r6}, &(0x7f0000000880)={0x0, 0x0, 0x0, 0x0, 0x9, r0, &(0x7f0000000780)="aebcc87f0d6ef8adabad3189c8c5745de1d2cebf751d235638dff6381ec025f796a0bf6da9150128102a76068518a8dfa93b4edd7300def70683a587bbcf70482cdc64c4aaa894e5cffaf4bfe0a30e054d0519a7d6d4826cb4051e3eb61a43546f5a48e050b87d8e3088bdcac7b1f691a43dfeb0e11266a85d2fdb63b1aad29c355933091eeb94809ee2d7cb0fc5f518b0e6962607b8c97ae398e25cb9ad6562e966ed74e9b1b0bbcca95dfe733db0ac2392fb5e229acb6be6f07c88020c240f3038c7b9b9885773954098d84b80286487cc", 0xd2, 0x0, 0x0, 0x0, r6}, &(0x7f0000000980)={0x0, 0x0, 0x0, 0x2, 0x10001, r0, &(0x7f00000008c0)="19fd8f36d8bd6b1f0f7816362e7a5fecaddf83cb39551b3d09673ac6b4e03a20bd2b59160216fdbb77c7a12063cdbfd0ed38422c6e4b6e75088b582b519a387038df175be40623d0977f65bbe2f8975debed360efc7d7eadf72239536acd7f3fa18412ee0ae1787f5dbcd5772f77da0d77f118ab5eea14acf03968a46c41d94d2ca779182aeea16f6b85a4faa0600f11d4624a3e6779599a6187485f5d763bdb89981a2e9cbe", 0xa6, 0x8, 0x0, 0x0, r6}, &(0x7f0000000a80)={0x0, 0x0, 0x0, 0x7, 0x101, r0, &(0x7f00000009c0)="6dfc641e1c39b0ce5cbf2d6c0309e42078619674467af1ea726b8ac9330db01f1a8038bd4d35daac81d57568606b0ad1f13d629acfeb3ed775d023392fddcfb42abadb992fa825c682be352b21ec45fd1b346039c71a7642114cb6e5747868d29184befde649581a6a8439da8d69c1114eb5e2c60d6711f01077a2ee55093a96ec62d8c0f5dee47a74062b68f66d46d261f07ffe43", 0x95, 0x20, 0x0, 0x0, r6}, &(0x7f0000000b40)={0x0, 0x0, 0x0, 0x3, 0x9, r6, &(0x7f0000000ac0)="84e2aa4dafa712ba6e69ea77a3aefe30d3cd4baaba6218fb7f5815957aea050dd8c18677c64cf208f15c0bd67e57fad2abc3844bfc2d014093b4cab433219bd998668f1a6d415b8f233aeaed8d5fd0a335e1659a82454e0fcbc77a688c310e69ff083963172a974c2bf4e55c", 0x6c, 0x48b, 0x0, 0x0, r6}]) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x4}, 0x1c) 2018/04/09 20:35:39 executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x80000, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x4c80, 0x1ca) ioctl$VHOST_SET_LOG_FD(r1, 0x4004af07, &(0x7f00000001c0)=r2) read(r0, &(0x7f0000000100)=""/54, 0x36) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x2000, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000080)={0x8, 0x0, 0x10000, 0x7}) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0206434, &(0x7f0000000500)={0x2f, r4, 0x10003, 0x80000000}) ioctl$DRM_IOCTL_AGP_UNBIND(r3, 0x40106437, &(0x7f00000004c0)={r5, 0x2}) r6 = userfaultfd(0x10003) r7 = dup(r6) ioctl$UFFDIO_API(r6, 0xc018aa3f, &(0x7f0000f6bfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r7, 0xc020aa00, &(0x7f0000000280)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) chroot(&(0x7f0000000480)='./file0\x00') ioctl$UFFDIO_REGISTER(r6, 0xc028aa03, &(0x7f0000000240)={{&(0x7f00005e3000/0x800000)=nil, 0x730000}, 0x200000}) syz_open_dev$sndmidi(&(0x7f0000000440)='/dev/snd/midiC#D#\x00', 0x80, 0x180) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000002c0)={0x0, @in6={{0xa, 0x4e22, 0x1, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x7fff}}, 0x5370, 0x0, 0xffff, 0x4, 0x8}, &(0x7f0000000200)=0x98) setsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000380)={r8, @in6={{0xa, 0x4e24, 0x2540, @loopback={0x0, 0x1}, 0xe4f}}}, 0x84) 2018/04/09 20:35:39 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x40001, 0x0) ioctl$KVM_GET_MP_STATE(r0, 0x8004ae98, &(0x7f0000000300)) socket$pptp(0x18, 0x1, 0x2) prctl$intptr(0x1a, 0x10001) getsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000040), &(0x7f00000001c0)=0x2) r1 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xffffffffffffffff) request_key(&(0x7f0000000080)='encrypted\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000100)="b77472757374656400", r1) msync(&(0x7f0000b03000/0x4000)=nil, 0x4000, 0x5) ioctl$DRM_IOCTL_VERSION(r0, 0xc0406400, &(0x7f0000000540)={0x100000000, 0x100000001, 0xfffffffffffff132, 0xc5, &(0x7f0000000200)=""/197, 0xd9, &(0x7f0000000340)=""/217, 0xdb, &(0x7f0000000440)=""/219}) 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x700000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x5c030000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:39 executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fc7000)={0x5, 0x4, 0x2b, 0x3}, 0x14) pread64(r0, &(0x7f0000000440)=""/220, 0xdc, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) ioctl$KDGETMODE(r1, 0x4b3b, &(0x7f0000000380)) ioctl$EVIOCGABS3F(r1, 0x8018457f, &(0x7f0000000040)=""/93) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000fc9fe0)={r0, &(0x7f0000e7d000), &(0x7f0000002000)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f000051e000)={r0, &(0x7f0000fc5000), &(0x7f0000950000), 0x1}, 0x20) rename(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)='./file0\x00') getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000200)={0x0, 0xcc, &(0x7f0000000100)=[@in={0x2, 0x4e24, @multicast1=0xe0000001}, @in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0xb}}, @in6={0xa, 0x4e20, 0x1, @mcast2={0xff, 0x2, [], 0x1}, 0x4}, @in6={0xa, 0x4e21, 0xfffffffffffffff9, @empty, 0x7}, @in6={0xa, 0x4e20, 0xffff, @mcast2={0xff, 0x2, [], 0x1}, 0x7}, @in={0x2, 0x4e24, @multicast1=0xe0000001}, @in6={0xa, 0x4e21, 0x20e2, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0xabae}, @in6={0xa, 0x4e21, 0x1ff, @mcast2={0xff, 0x2, [], 0x1}, 0x5}, @in={0x2, 0x4e24, @broadcast=0xffffffff}]}, &(0x7f0000000240)=0x10) setsockopt$inet_sctp_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000280)=ANY=[@ANYRES32=r2, @ANYBLOB="0000e80060eca6b044964f8a07eaec7562c666b8b584a440e83daaec96acee1f730ad9e8ba3d50b9d4b857c69dc5e273b608b8bf1e7582eed91b36c876c3fea28bd0b7f4f4674216e49eb7f68f58a952239ea9d23bae6e97a079caf41bc76f438a6cbeef3354e754639b9893fe922801289feb44ed4dcc4bb2d95309bbbc627c6da696e25e3c8957a66a1d2833463a8c2a9c24c6d7db8b8661d32b7caed572371390f167db6ef86a7ae594b49c7ee18b22277b2329aafa141aa8a342547b10b41b999b73dd1213a2bf1bc790194ef3d803c04e398c56d7a33d7c2f3a89b3420eee188bd8"], 0xf0) ioctl$VHOST_SET_VRING_ERR(r1, 0x4008af22, &(0x7f00000000c0)={0x3, r1}) 2018/04/09 20:35:39 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) mkdir(&(0x7f0000000100)='./file0\x00', 0x1) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x400, 0x200) ioctl$SNDRV_TIMER_IOCTL_START(r3, 0x54a0) timer_create(0x4, &(0x7f0000000080)={0x0, 0x12, 0x0, @thr={&(0x7f0000000000)="0cb7d4bdb8ad5d5b0f1b5cccdf49fc4571b46bb965f0eb715f621112e856d3e1d3a4a6c453", &(0x7f0000000040)="82065b4cb74f9670b0db223b60cf670edc74b04cc3968706e65c08906adeeaf0c9865dba759d035a94a4855627fc833856"}}, &(0x7f00000000c0)) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:39 executing program 0: perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x5, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x8, 0x8000b, 0x800) getsockopt$netlink(r0, 0x10e, 0x5, &(0x7f0000002ffc)=""/4, &(0x7f0000000000)=0x4) 2018/04/09 20:35:39 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x3e8, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:39 executing program 7: r0 = socket$inet6(0xa, 0x3, 0xff) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) sendmsg$key(r0, &(0x7f0000000040)={0x20480, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x2, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, [@sadb_x_filter={0x5, 0x1a, @in=@broadcast=0xffffffff, @in=@local={0xac, 0x14, 0x14, 0xaa}}]}, 0x38}, 0x1}, 0x0) 2018/04/09 20:35:39 executing program 1: r0 = syz_open_dev$binder(&(0x7f0000f5b000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000), 0x1, 0x0, &(0x7f0000000200)=' '}) r1 = socket$netlink(0x10, 0x3, 0xfffffffffffffffd) sendmsg$nl_generic(r1, &(0x7f0000002180)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000002140)={&(0x7f00000000c0)={0xf, 0x2d, 0xffffffffffffffff, 0x0, 0x0, {}, [@typed={0x10, 0x0, @u64}]}, 0x24}, 0x1}, 0x0) 2018/04/09 20:35:39 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xa}, 0x1c) 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3001000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:39 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:40 executing program 0: r0 = syz_open_dev$sndtimer(&(0x7f0000000000)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f000000efcc)={{0x3}}) openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x80, 0x0) close(r0) 2018/04/09 20:35:40 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) inotify_add_watch(r0, &(0x7f0000000000)='./file0\x00', 0x400) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:40 executing program 1: mkdir(&(0x7f0000796000)='./file0\x00', 0x0) r0 = inotify_init1(0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = gettid() rt_sigprocmask(0x0, &(0x7f000003b000)={0xfffffffffffffffe}, 0x0, 0x8) r2 = dup3(r0, r0, 0x80000) shutdown(r2, 0x1) fcntl$setownex(r0, 0xf, &(0x7f0000fa4000)={0x0, r1}) prlimit64(0x0, 0xb, &(0x7f000002fff0), 0x0) inotify_add_watch(r0, &(0x7f00000001c0)='./file0\x00', 0x3000000) r3 = syz_open_dev$sg(&(0x7f0000000200)='/dev/sg#\x00', 0x3f, 0x800) getsockname$packet(r3, &(0x7f0000000340), &(0x7f0000000380)=0x14) r4 = accept(r3, &(0x7f0000000240)=@can={0x0, 0x0}, &(0x7f0000000080)=0x80) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8000}, &(0x7f0000000100)=0x8) connect(r3, &(0x7f0000000440)=@hci={0x1f, r5}, 0x80) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r4, 0x84, 0x6d, &(0x7f00000003c0)=ANY=[@ANYRES32=r6, @ANYBLOB="2e0000000000000002000000000077e67a210053a3ebbec8bb9663cc9b54ca352f185da6d872229da128e706ad64767df0368366e870bd69e6eae6cdb7405acd58bbc3f41926ba9a0ea3830e94e584bc99e4de54d18d837a350efcacf437029ef24982387153ce350a"], &(0x7f0000000180)=0x36) r7 = open(&(0x7f0000fa3000)='./file0\x00', 0x0, 0x0) r8 = dup2(r0, r7) r9 = signalfd4(0xffffffffffffffff, &(0x7f000029bff8)={0x5}, 0x8, 0x0) rt_sigprocmask(0x0, &(0x7f0000055000)={0xffb}, &(0x7f0000c5bff8), 0x8) r10 = getpid() r11 = gettid() readv(r9, &(0x7f0000939000)=[{&(0x7f0000fc7000)=""/128, 0x80}], 0x1) tgkill(r10, r11, 0x1) getsockopt$bt_l2cap_L2CAP_CONNINFO(r8, 0x6, 0x2, &(0x7f00000002c0), &(0x7f0000000300)=0x6) 2018/04/09 20:35:41 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf5ffffff00000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:41 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x660800, 0x0) write$tun(r3, &(0x7f0000000280)={@void, @hdr={0x3, 0x4, 0x7, 0xffffffff, 0x2, 0x328}, @mpls={[{0x100000000, 0x3, 0x9, 0xfffffffffffffff8}, {0x5, 0x9, 0x8, 0x800}, {0x20, 0xfff, 0x1, 0x9}, {0x4000000000000000, 0x2, 0x8000, 0x1}, {0x800, 0x20, 0x9, 0x9de1}, {0x4, 0x7654, 0x7fffffff, 0x10001}, {0xff, 0xcb9d38c, 0x0, 0x6}, {0x3, 0x8, 0x1, 0x3dc}, {0x9, 0x8, 0x1d4, 0x8000}, {0x7, 0x3, 0x8, 0xfff}], @ipv6={0x6, 0x6, "9ec320", 0x57a, 0x6c, 0x3, @empty, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, {[@srh={0xae, 0x4, 0x4, 0x2, 0x3ff, 0x1, 0x0, [@mcast2={0xff, 0x2, [], 0x1}, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}]}, @hopopts={0x2c, 0x29, [], [@generic={0xabc, 0x78, "6a94ddfcd572c9fe04ea10c1961ff3eb1e1a657f344d56f5b432b55eed385d10c19365b38f6e314b1933ccec2e2bd74333eb49401702cb7cf906c6379b35ba793cea8f68fe4eaa2508e3e04162832bef5f376888a02db7b344bd2658ebad001a972fd5c7dfe0e4536c3a9b313727eaa4d9a70f2e25e3fc3f"}, @jumbo={0xc2, 0x4, 0x5}, @calipso={0x7, 0x40, {0x8, 0xe, 0x2, 0x1ff, [0xfffffffffffffffc, 0x5, 0x100000000, 0x5, 0x4, 0x80000000, 0xc2]}}, @generic={0xff, 0x83, "02a74640bc6bd32e454666333f61a7b02d4e94fda01fd99e720966baafb4d21cd0c670999d865bd1007abd327f8725fe51ce37e36941c0fba71d7809d46a2a01f05a607d92690b414b373d9fad3b65f801f2c14ac45d07aa6824c668384d1429252b3134f2980e8c49d6325eb5d2443a0bfb38719bd5c6812925cb58192d76f1661d0c"}, @pad1={0x0, 0x1}]}, @hopopts={0x33, 0x24, [], [@pad1={0x0, 0x1}, @padn={0x1, 0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @hao={0xc9, 0x10, @loopback={0x0, 0x1}}, @enc_lim={0x4, 0x1, 0xfffffffffffffff9}, @generic={0x7fffffff, 0xea, "cd4cfff4b9ed7ba0ac4a1a05fd7a5b4f34680326d734a992bd607355f518b284d62378f9af935c858e8c048fa1d4caa2d3a747460a1d545415d822eaf45da0dfe402bccfcdbae8440f92a9708e4b515fa3f8cee1735701c2be603511852f46b7846c6fa5a032f7fbad850c69b3033e445007a8d8aa859ecd8f79213946df4cbd1d5a75bc41f52d1f7ac5ca32dc9b32ed19973619c843ac1606abd7656f065e0933d1f03e9723e392bec45b0e34cf67ebeb28866172d6be882121bb29a95a0f1ee87a3db826df97bac939c289891a67b9a672e89e3ca1dd3c1ae2bc37a9ba3addcc126ccd3eb7db1a6a34"}, @hao={0xc9, 0x10, @local={0xfe, 0x80, [], 0xaa}}, @enc_lim={0x4, 0x1, 0x4b68}]}, @hopopts={0xbf, 0x6, [], [@calipso={0x7, 0x30, {0x7365cd44, 0xa, 0x1f, 0xc3, [0x2, 0x8000, 0x8, 0x8, 0x4]}}, @pad1={0x0, 0x1}]}, @routing={0x32, 0x4, 0x2, 0xffffffffffffff80, 0x0, [@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @dev={0xfe, 0x80, [], 0x13}]}], @icmpv6=@time_exceed={0x3, 0x0, 0x0, 0x1f, [], {0xffffffffffff8001, 0x6, "e37be1", 0x1e, 0x2e, 0x7, @loopback={0x0, 0x1}, @mcast1={0xff, 0x1, [], 0x1}, [@srh={0x87, 0x4, 0x4, 0x2, 0x9, 0xe5, 0x6, [@mcast2={0xff, 0x2, [], 0x1}, @empty]}, @fragment={0x3c, 0x0, 0x81, 0xcc, 0x0, 0x7fffffff, 0x65}, @routing={0x87, 0x8, 0x3, 0x3ff, 0x0, [@mcast1={0xff, 0x1, [], 0x1}, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, @remote={0xfe, 0x80, [], 0xbb}, @remote={0xfe, 0x80, [], 0xbb}]}, @fragment={0x89, 0x0, 0x1000000010000, 0x7f, 0x0, 0x22ca56a0, 0x66}, @hopopts={0x3f, 0x1e, [], [@jumbo={0xc2, 0x4, 0x7}, @hao={0xc9, 0x10, @mcast1={0xff, 0x1, [], 0x1}}, @padn={0x1, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, @ra={0x5, 0x2, 0x3}, @generic={0x9, 0xce, "ecbc2d61ce853df1481bd5cbe8df9a6b354615fb241f76c73e78b8282bc2d5b7f530556c398a343ba12d39893d04f1114b691f61c2c9090ffc3298035e2c677ec6129611cada5491e9343299dab966bf430415a6ebdd2700a60433d1bf191f2c775dc769c79c2f518390c5778921bab08a1fac910bda342ea85d72a5cbae542aedca992b0f6c4cc331968b1c356fcd9c7b20120744eabdb67a18ae36d5cb08c1862f49ba802609e86246817db6c976a4890e9564895336b00bb2a8130ce914809e17f2194c5f45eaa53aa3713c0a"}]}, @fragment={0xff, 0x0, 0x5fe, 0x1, 0x0, 0x7, 0x64}, @srh={0x11, 0x6, 0x4, 0x3, 0xff, 0x17, 0x3, [@ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, @local={0xfe, 0x80, [], 0xaa}, @loopback={0x0, 0x1}]}], "0a034563d1e7025dd48d74de4e1df72e980067045008a1067903f0104fbeaea9912ff71f2a10caff7795314b38297034ef757ef94cf50a42a8ec65d353c8f4f880c80273056ec30de260f0a47ca180be7865c25cc66ee9e8026c1b62cce465077693a3ffc1b4de01c3380d64f3e92ff92280"}}}}}}, 0x5d4) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:41 executing program 7: pipe2(&(0x7f0000000100)={0xffffffffffffffff}, 0x80000) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000140)) syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0x20, 0x8000) r1 = openat$vnet(0xffffffffffffff9c, &(0x7f00003de000)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r1, 0x40000000af01, &(0x7f0000000680)) syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x7fffffff, 0x1) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000200)='/dev/audio\x00', 0xffffeffffffffffd, 0x0) close(r2) getsockopt$inet_udp_int(r2, 0x11, 0x65, &(0x7f0000000040), &(0x7f0000000080)=0x4) socket$can_raw(0x1d, 0x3, 0x1) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000f1dff8)={0x0, r2}) 2018/04/09 20:35:41 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3a, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 1: mkdir(&(0x7f0000796000)='./file0\x00', 0x0) r0 = inotify_init1(0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = gettid() rt_sigprocmask(0x0, &(0x7f000003b000)={0xfffffffffffffffe}, 0x0, 0x8) r2 = dup3(r0, r0, 0x80000) shutdown(r2, 0x1) fcntl$setownex(r0, 0xf, &(0x7f0000fa4000)={0x0, r1}) prlimit64(0x0, 0xb, &(0x7f000002fff0), 0x0) inotify_add_watch(r0, &(0x7f00000001c0)='./file0\x00', 0x3000000) r3 = syz_open_dev$sg(&(0x7f0000000200)='/dev/sg#\x00', 0x3f, 0x800) getsockname$packet(r3, &(0x7f0000000340), &(0x7f0000000380)=0x14) r4 = accept(r3, &(0x7f0000000240)=@can={0x0, 0x0}, &(0x7f0000000080)=0x80) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8000}, &(0x7f0000000100)=0x8) connect(r3, &(0x7f0000000440)=@hci={0x1f, r5}, 0x80) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r4, 0x84, 0x6d, &(0x7f00000003c0)=ANY=[@ANYRES32=r6, @ANYBLOB="2e0000000000000002000000000077e67a210053a3ebbec8bb9663cc9b54ca352f185da6d872229da128e706ad64767df0368366e870bd69e6eae6cdb7405acd58bbc3f41926ba9a0ea3830e94e584bc99e4de54d18d837a350efcacf437029ef24982387153ce350a"], &(0x7f0000000180)=0x36) r7 = open(&(0x7f0000fa3000)='./file0\x00', 0x0, 0x0) r8 = dup2(r0, r7) r9 = signalfd4(0xffffffffffffffff, &(0x7f000029bff8)={0x5}, 0x8, 0x0) rt_sigprocmask(0x0, &(0x7f0000055000)={0xffb}, &(0x7f0000c5bff8), 0x8) r10 = getpid() r11 = gettid() readv(r9, &(0x7f0000939000)=[{&(0x7f0000fc7000)=""/128, 0x80}], 0x1) tgkill(r10, r11, 0x1) getsockopt$bt_l2cap_L2CAP_CONNINFO(r8, 0x6, 0x2, &(0x7f00000002c0), &(0x7f0000000300)=0x6) 2018/04/09 20:35:41 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x700000000000000}, 0x1c) 2018/04/09 20:35:41 executing program 0: syz_emit_ethernet(0x46, &(0x7f0000000140)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @random="6f4f87d17cd8", [], {@ipv6={0x86dd, {0x0, 0x6, "111673", 0x10, 0x2f, 0x0, @remote={0xfe, 0x80, [], 0xbb}, @mcast2={0xff, 0x2, [], 0x1}, {[@routing={0x33}], @udp={0x0, 0x0, 0x8}}}}}}, &(0x7f0000000100)={0x0, 0x2}) 2018/04/09 20:35:41 executing program 0: r0 = syz_open_dev$urandom(&(0x7f0000008ff3)='/dev/urandom\x00', 0x0, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000000)) read(r0, &(0x7f0000001000)=""/175, 0xaf) ioctl(r0, 0x2f80000000, &(0x7f0000000040)="8f2ca723f04a5c39d917603e5b59d0a1dc81c3040737bcd99c6a9b289132428c1241f6e0de1d45") 2018/04/09 20:35:41 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x7000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x4000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:41 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x18020000}, 0x1c) 2018/04/09 20:35:41 executing program 4: r0 = inotify_init1(0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000000)=0x0) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:41 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'gre0\x00', &(0x7f0000000000)=@ethtool_sset_info={0x37, 0x3, 0x100000000, [0x5, 0x1, 0xfffffffffffff848]}}) 2018/04/09 20:35:41 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000017000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) eventfd2(0x0, 0x0) perf_event_open(&(0x7f0000220000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) r2 = eventfd2(0xfffffffffffffffe, 0x0) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000c68000)={r2}) 2018/04/09 20:35:41 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0xff, 0x4000) setsockopt$kcm_KCM_RECV_DISABLE(r2, 0x119, 0x1, &(0x7f0000000040)=0xfffffffffffff7e5, 0x4) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:41 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x900, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 350.740619] irq bypass consumer (token 0000000012e978e7) registration fails: -16 2018/04/09 20:35:41 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfe800000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:41 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xff000000}, 0x1c) 2018/04/09 20:35:41 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) r3 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$sock_bt(r3, 0x5411, &(0x7f0000000000)="ab0394bba61aa49f490f4c8c055eb8a37a598c3d23cec33cc639a21a28cd35ba32dec59a369445489cd4a4092924d1e9d8a5") kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:41 executing program 7: r0 = syz_open_dev$binder(&(0x7f0000002000)='/dev/binder#\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) r1 = syz_open_dev$binder(&(0x7f000000fff3)='/dev/binder#\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000012000)={0x4, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="05630440"], 0x0, 0x0, &(0x7f0000012fc7)}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000040)={0x8, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="07630440000000003aa26bad"], 0x0, 0x0, &(0x7f00000007c0)}) 2018/04/09 20:35:41 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe803, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:41 executing program 1: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r0, &(0x7f0000002000)=@ethernet, 0x10) sendmsg$can_bcm(r0, &(0x7f0000001fc8)={&(0x7f0000006000)={0x1d}, 0x10, &(0x7f0000000000)={&(0x7f000000d000)={0x5, 0x0, 0x0, {0x77359400}, {0x0, 0x2710}, {0x0, 0x0, 0x0, 0xede5}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "11f9ea717adc0990"}}, 0x48}, 0x1}, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/mixer\x00', 0x10002, 0x0) epoll_pwait(r1, &(0x7f0000000240)=[{}, {}, {}, {}, {}], 0x5, 0x2ab0, &(0x7f0000000280)={0x100000000}, 0x8) clock_gettime(0x0, &(0x7f00000002c0)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000300)) sendmsg$can_bcm(r0, &(0x7f0000000780)={&(0x7f0000000680)={0x1d}, 0xfffffffffffffd2c, &(0x7f0000000740)={&(0x7f0000000040)={0x6, 0x0, 0x0, {0x0, 0x2710}, {r2, r3/1000+30000}, {0x0, 0x0, 0x0, 0x7}, 0x1, @canfd={{}, 0x0, 0x0, 0x0, 0x0, "a27fa19059a434af15336a83c650576e0f8440af825c59e77ec6c987ed21de741e6554726f2c070c693bbbbc406fc1e9479661d6bf2781e5474301a5d8e3ef75"}}, 0x80}, 0x1, 0x0, 0x0, 0x8800}, 0x0) sendmsg$can_bcm(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x1d}, 0x10, &(0x7f0000000180)={&(0x7f0000000100)={0x7, 0x0, 0x0, {0x0, 0x2710}, {0x0, 0x7530}, {0x0, 0x0, 0x0, 0x3}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "fa9028eee25d9606"}}, 0x48}, 0x1}, 0x0) 2018/04/09 20:35:41 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x8010000000000088) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000280)={0x0, @in6={{0xa}}, 0xeb6}, 0x90) r1 = geteuid() r2 = syz_open_dev$sndpcmc(&(0x7f0000000380)='/dev/snd/pcmC#D#c\x00', 0x4, 0x2000) openat$cgroup(r2, &(0x7f00000003c0)='syz0\x00', 0x200002, 0x0) r3 = semget$private(0x0, 0x4, 0x34) socketpair$inet(0x2, 0x80000, 0x8, &(0x7f00000000c0)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000100)={0x0, 0x7d5}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r4, 0x84, 0x70, &(0x7f0000000180)={r5, @in={{0x2, 0x8, @dev={0xac, 0x14, 0x14, 0x12}}}, [0x8000, 0x400, 0x8000, 0xdfa9, 0x4, 0x4, 0x4, 0x8, 0x1, 0x800, 0x6, 0xe7, 0x400, 0x2, 0x100]}, &(0x7f0000000340)=0x100) semop(r3, &(0x7f0000000080)=[{0x3, 0x9, 0x1000}, {0x3, 0xfffffffffffffff9, 0x1800}, {0x2, 0x3, 0x1000}, {0x4, 0x7fff, 0x800}], 0x4) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000040)=0xc) setreuid(r1, r6) 2018/04/09 20:35:42 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 1: r0 = dup2(0xffffffffffffff9c, 0xffffffffffffff9c) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000040)={0x3f, 0x7fff, 0x0, 0xffff, 0x1, 0x38, 0x8, 0x4, 0x0}, &(0x7f0000000080)=0x20) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f00000000c0)={r1, 0x3f}, &(0x7f0000000100)=0x8) mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x2003000000, 0x40013, r0, 0x4f) r2 = socket$inet6(0xa, 0x80003, 0xef) getsockopt$IP6T_SO_GET_ENTRIES(r2, 0x29, 0x41, &(0x7f0000000140)={'filter\x00'}, &(0x7f0000000000)=0x24) 2018/04/09 20:35:42 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1300, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 351.324454] binder: 24689 invalid dec weak, ref 16 desc 0 s 1 w 0 2018/04/09 20:35:42 executing program 4: r0 = inotify_init1(0x0) r1 = accept$ax25(0xffffffffffffff9c, &(0x7f0000000180), &(0x7f00000001c0)=0x10) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000200), &(0x7f0000000280)=0xc) r2 = getpid() getpgrp(r2) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000100)=0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000140)={0x0, 0x0}) fcntl$setown(r0, 0x8, r4) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)) getpgrp(0x0) kcmp(r3, r2, 0x6, r0, r0) r5 = semget$private(0x0, 0x0, 0x8) splice(r0, &(0x7f0000000080), r1, &(0x7f00000000c0), 0x200, 0x3) semctl$GETVAL(r5, 0x0, 0xc, &(0x7f0000000000)=""/127) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:42 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x3f7bde64, @loopback={0x0, 0x1}}, 0x1c) [ 351.368723] binder: BINDER_SET_CONTEXT_MGR already set 2018/04/09 20:35:42 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x3000000}, 0x1c) 2018/04/09 20:35:42 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x9, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x600], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 351.447140] binder: 24689 invalid dec weak, ref 16 desc 0 s 1 w 0 [ 351.462797] binder: 24689:24702 ioctl 40046207 0 returned -16 2018/04/09 20:35:42 executing program 4: r0 = inotify_init1(0x0) r1 = syz_open_dev$admmidi(&(0x7f0000000200)='/dev/admmidi#\x00', 0x7f, 0x101200) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000001c0)=0x0) fcntl$setown(r0, 0x8, r2) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r4 = getpgrp(0x0) socketpair(0x19, 0x5, 0xfff, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_CONGESTION(r5, 0x6, 0xd, &(0x7f0000000100)='htcp\x00', 0x5) kcmp(r3, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r6 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0xa9, 0x20000) ioctl$KVM_GET_ONE_REG(r6, 0x4010aeab, &(0x7f0000000080)={0x7, 0x40000}) ioctl$SNDRV_CTL_IOCTL_CARD_INFO(r1, 0x81785501, &(0x7f0000000280)=""/167) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:42 executing program 1: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x400000, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000080)={0x8ff, 0x93, "01e7d3a3ab1b2c73bb99a42246ecf7c1ffb50e5f367937f5744edc31b08adf14a26cd736fb9b405f0abcee14f07b52253bf68d48ca0c5c80a1298ea145741d7250f28ab39f2ed5e38450e19071fde753f8bf8f5b79bd71e53e9e6c03bb13fa4afbe067acbb1e1ade4c5e9772c4726310733b4ec6f9a0b31ec9d8ee1b84ec031cb7f166d142fa95b2a9cfc4966293827c733adc"}) r1 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8002) fcntl$getown(r1, 0x9) ioctl$int_in(r1, 0x5452, &(0x7f0000000000)=0x1000) 2018/04/09 20:35:42 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00005a5000)={&(0x7f00008d1ff4)={0x10}, 0xc, &(0x7f0000007000)={&(0x7f0000000100)=ANY=[@ANYBLOB="f18a5bff50135184e09a5f5c0fff140000001d00030000000000000000001f000000c7e61d3d97e0213102a4c732fcc12e4f7f91808e5e36f9d213635d2a3d35db5bc842e09f46071c996324fae203c647133038cf9c74a7b97146a1a9421de92ca70899f50c0495ff0c0452b082af30b6f2602f5f3c4e9466a112582daf6bd28c571674c9178fb5cbad0770ebf4ae86eb135fa96bd64c8f38466dabd1ae3f193e6a0cfee42216ef56605bf47671e66288414c785608fd734b4801b998e4cc05170b559b3097582e9c5d84362ab824318292b266208eac60fef80cd52dbb155adef92e8fb8ea30c5265c285015cf499559"], 0x14}, 0x1}, 0x0) 2018/04/09 20:35:42 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xff00, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:42 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r1, 0x8}, &(0x7f0000000100)=0x8) fcntl$getflags(r0, 0x40b) 2018/04/09 20:35:42 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x4000}, 0x1c) 2018/04/09 20:35:42 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe803, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:42 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x10, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 7: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000000c0)='./control\x00', 0x0) r1 = inotify_init1(0x0) inotify_add_watch(r1, &(0x7f0000103000)='./control\x00', 0x40) inotify_add_watch(r1, &(0x7f0000000040)='./control\x00', 0x40) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000080)={0x0, 0x0, 0x6b2ac77c5e3469b1}, &(0x7f0000000100)=0xc) setsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000140)={r2, 0x4f}, 0x8) 2018/04/09 20:35:42 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = dup2(r0, r0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000040)={0x2, 0x0, [{0x80000008, 0x0, 0xb6ee, 0x7, 0xffffffff00000000}, {0x0, 0x9, 0x5d3, 0x6, 0x1}]}) r3 = getpgrp(0x0) ftruncate(r2, 0xfff) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) ioctl$DRM_IOCTL_WAIT_VBLANK(r2, 0xc018643a, &(0x7f0000000080)={0x8000000, 0xbe96, 0x26}) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r4, 0xc0045540, &(0x7f0000000000)=0x9) 2018/04/09 20:35:42 executing program 1: r0 = socket(0x40000000015, 0x5, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000001c0), &(0x7f0000000200)=0x5) setsockopt$netrom_NETROM_IDLE(r0, 0x103, 0x7, &(0x7f0000000000)=0x100000000, 0x4) r1 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r1, 0x40000000af01, &(0x7f0000c97ff8)) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000001140)='/dev/audio\x00', 0x0, 0x0) close(r2) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_FEATURES(r1, 0x4008af00, &(0x7f0000000000)=0x200000000) ioctl$VHOST_SET_VRING_ADDR(r1, 0x4028af11, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001300)=""/81, &(0x7f0000001380)=""/21, &(0x7f00000013c0)=""/143}) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r3 = syz_open_dev$sndctrl(&(0x7f0000843000)='/dev/snd/controlC#\x00', 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r3, 0xc4c85513, &(0x7f0000b46b38)={{0x0, 0x0, 0x0, 0x0, "2a421c03781c85e5de4eae2be6be026f26ed58788e01428a987c6eb6d58814a89e3e9d707f1c8d002aaab2c6"}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000], {0x0, 0x989680}}) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vga_arbiter\x00', 0x0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000000)=""/250, 0x1}], 0xdf, 0x0) clock_gettime(0x0, &(0x7f0000000040)) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r3, 0xc4c85513, &(0x7f00000000c0)={{0x8, 0x5, 0x4, 0x0, "ecd0e9b84f2f4a9632a3b27a86c797b27cea091f4d798587fc1e33badc4a44e05c69e93c4c5afe8e6461b796", 0x80000000}, 0x2}) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000600)='/dev/qat_adf_ctl\x00', 0x0, 0x0) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) creat(&(0x7f0000000780)='./file0\x00', 0x40) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000640)={@remote, @multicast2}, &(0x7f0000000680)=0xc) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f00000006c0)={0x0, 0x1, 0x6, @random="667928c0b3b5"}, 0x10) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000700), 0x91bae19355627fb) add_key$keyring(&(0x7f00000008c0)='keyring\x00', &(0x7f0000000900)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffb) r4 = request_key(&(0x7f00000009c0)='trusted\x00', &(0x7f0000000a00)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000ac0)='\x00', 0xfffffffffffffff8) request_key(&(0x7f0000000b00)='cifs.idmap\x00', &(0x7f0000000b40)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000c80)="700700302f00957dcad80c1fd4093e07fe0ac537b0efc7e99e4a405ff3615aa29798c441e60ec93d2731dbd17b7d999aedb40706ba6faa5dd8dea4c2e1b394b5596e6dee0f941586770f2430421c1e4cf5738ff04b710946d450", r4) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000a40), &(0x7f0000000a80)=0xc) ioctl$PIO_UNISCRNMAP(0xffffffffffffffff, 0x4b6a, &(0x7f0000000240)) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000580)) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000002c0)}, &(0x7f00000003c0)=0x10) sysinfo(&(0x7f0000000bc0)=""/188) 2018/04/09 20:35:42 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r1, 0x8}, &(0x7f0000000100)=0x8) fcntl$getflags(r0, 0x40b) 2018/04/09 20:35:42 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 4: r0 = inotify_init1(0x0) r1 = gettid() fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r4, 0xc1105511, &(0x7f0000000040)={{0xfffffffffffff000, 0x3, 0x5, 0xc3, "c5970ead544d6803688030feda1c14c526db14b69f8805b136d5cd239f8c4ac9ead31aae4b3cfed44fdd2c58", 0x2}, 0x0, 0x0, 0x1f, r2, 0x1, 0x6, "b8d5ee02537bc5129763b9f1a4a19328c6ad1b9d266e19c92c527f5307302029ff934a1f378762510e0f54c431b02978038fa4338fad026c6b026ff27d74e6f2", &(0x7f0000000000)='%\x00', 0x2, [], [0x4, 0x4, 0x1, 0x4]}) setsockopt$sock_int(r4, 0x1, 0x3b, &(0x7f0000000180)=0xfffffffffffffded, 0x4) 2018/04/09 20:35:42 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x2}, 0x1c) 2018/04/09 20:35:42 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x600000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:42 executing program 1: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 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={&(0x7f000031f000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, r0, 0x0) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, r0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r0, 0x2401, 0x0) r2 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x46, 0x1) recvmsg$netrom(r2, &(0x7f0000000780)={&(0x7f0000000080)=@full={{0x3, {"bc6514d14a2986"}, 0x2}, [{"272acaadd21bed"}, {"10bc0b148df0f4"}, {"4d6ff14f362ee5"}, {"fb808cb81bff63"}, {"f2eac24b8e19a9"}, {"47dab9e8a7408c"}, {"b4cf57cd86ba08"}, {"5790fe56788a4d"}]}, 0x48, &(0x7f00000003c0)=[{&(0x7f0000000100)="fb6c8c95ec5d1e1f086b355b943e8548cf9f7d4425a0f28b70c418cccf97554a0d0ac1a4466caa16d7bebc3422bcadbf404f898fce16521f3a95419c092112f241d51b21b7183c2e4f22a0c44d4ee8e990314dedaee8802eb550254b86963c6c8022c70845c18cb6d99d20682b37ba943e2966d434387272e113d729980eadcf07482c6e9ff7a1633a8247176179a0", 0x8f}, {&(0x7f00000001c0)="f82561047d1cf1193622e695ee8d80b4f862a40c77e043bff15242b9bc1b97cdf0f316039833c7d11053dc85929fc994eb6bb0bb9c59151008bb8c3aa5ae7aa4fb1aee1af7ccca2ddbf0c6f671a054eff9a72a9478400b8a171a0568ad659f75bedc934bc32f7b901c77a5f90d4c666bbfd18a11336454aafa62d709deb5888db045ad", 0x83}, {&(0x7f0000000280)="e2c32537a5b47fdfce", 0x9}, {&(0x7f00000002c0)="6ef87aeb8aa360fb96183ae989fc353567237fbce4b37789fe219a003ca239f32541", 0x22}, {&(0x7f0000000300)="cfa4abb071", 0x5}, {&(0x7f0000000340)="fb3ea3c10df183dad4d465936961bbfee2e962694cf6099047c894d2e271ab80530aaaa679069f5bc340135d6ff008ebaf193510891a4ead61bd10743101a9bd5f29ad104ccafc52c4b2e2355703bbbc6c574eca7d1d2189ec4f989a0652444143446f9398dccded5c23ff512af84c9c74174b58c4cf1d7c", 0x78}], 0x6, &(0x7f0000000440)=[{0x90, 0x100, 0x10001, "ca0e2c712d6d1ce3bd081e44e289258ecf1dfe0f1973499eaadd3172e1428a7967e8898e0c5f253ef8c798180070905cdbd3addd744aff6f7940b0a12c097390356da4a5ff12903ebbb66deb96cea99cc15b921c9c5918f10b7b829f7a5f5b5b3e6d5c338005964bbde2a654938b2b217d41dc68632540b81a"}, {0x100, 0x119, 0x6, "b7365d60a20228fc396feace9f2e9a866f37f2f46eff9fbd4f3d68323109ca3b2e303a530497fa3e7b17a955b8b13aabe5c86e57ea1b2c242ba85dd9766012aa1dc4b3dc4a0a729db3de721befe668ebb36a00e13257f8c7090b5441defbcb0bd0726d7d4dea2b9ecad87fb1f0b660e412afe8d9d9ee4a6078d42eac89812ba351b57b25bc9c2192a3114967e2d4a638ad241390a79f2bd56a97e51d0c1db331227c2b0a8d7fc1917320ff62f683dc0bf4016e4f1f17903b805433983d8050f1d746103c1b10c356c64240f69d5ffbe62840ff142399f947f1139a1072a5b6b0768ae96787f3e2d272f43fcf4f55"}, {0x100, 0x119, 0x211, "fe108ca097dfb55c30bf93e3b6be75e9c58600ea9ab10b9c6400051725735b507348317919b51aa5a5533c2e0c0b549f024427b9d49b4e9baf35280413de8a1fd4ba67ca7be5e1e93dc625684b97cc9ca1cab0ed685f8cbbf5eb99f2823329e06942bf88cf944a9313f7aaf26dbe8dd5055b5398064060bf96acf1d582252bf755bca853c34649c9f7360f92093f35a4d0d9050fc5f057be46def2ccbf59b3acd0f8fc5f0748e8aa5ae741c2e5af9a2a3f3d1e7114c511dfc402d4b79093fad350ca681701c07917642caf989f8c5d0d9dccfa8a219986841bc6f25e1ecd70686d285856ad1cf8e1a217"}, {0x18, 0x12f, 0x0, "31d0144454"}, {0x88, 0x117, 0x0, "fddb4cc44a8edcbdacee01ea964e2f9de060bfec294eab566a2b00fd2bf0c653d2eb9be6ce0f1dac0664ced231a7252028f2b78e6766920d5e78a7bf6ae60c7d5689bb903f000860b122caefbb9dfb8313307d71748bc88a58000d4d0b61b5b72f5b84c12162c467d979b27c3d93e95063351224"}], 0x330, 0x4000000}, 0x2) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x1ff) 2018/04/09 20:35:42 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) r3 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x840, 0x0) ioctl$KVM_SET_DEBUGREGS(r3, 0x4080aea2, &(0x7f0000000040)={[0x4000, 0x0, 0x6000, 0x4], 0xfff, 0x20, 0x80000000000}) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:42 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2f000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r1, 0x8}, &(0x7f0000000100)=0x8) fcntl$getflags(r0, 0x40b) 2018/04/09 20:35:42 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="b4e8ffffdf00000095"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = socket$packet(0x11, 0x2, 0x300) accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000040)=0x14) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000080)={r1, 0x1, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x1, 0x5, &(0x7f0000000140)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x8, 0x73, &(0x7f0000000300)=""/195}, 0x48) 2018/04/09 20:35:42 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf401000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:42 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xc0fe}, 0x1c) 2018/04/09 20:35:42 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2f00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:42 executing program 4: r0 = inotify_init1(0x80004) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(r1) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000000)='./file0\x00', 0x2) 2018/04/09 20:35:42 executing program 1: r0 = socket(0x1000000010, 0xa, 0x3) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vcs\x00', 0x20000, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r1, 0xc0a85352, &(0x7f0000000340)={{0x3}, 'port1\x00', 0x1, 0x1000, 0xb68, 0x401, 0x4, 0x6, 0x6, 0x0, 0x7, 0x97}) r2 = gettid() getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000300)=0xc) r4 = getegid() setsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000400)={r2, r3, r4}, 0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000500)=[@in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xc}}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, @in6={0xa, 0x4e23, 0x1, @mcast2={0xff, 0x2, [], 0x1}, 0x81}, @in={0x2, 0x4e22}, @in6={0xa, 0x4e24, 0x3f8000000000, @mcast1={0xff, 0x1, [], 0x1}, 0x100}], 0x6c) fstatfs(r0, &(0x7f0000000200)=""/201) ioctl$LOOP_SET_DIRECT_IO(r1, 0x4c08, 0x800) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000040)={{{@in=@local, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@ipv4={[], [], @rand_addr}}}, &(0x7f0000000140)=0xe8) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'bond0\x00', r5}) 2018/04/09 20:35:43 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r1, 0x8}, &(0x7f0000000100)=0x8) fcntl$getflags(r0, 0x40b) 2018/04/09 20:35:43 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x1100000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:43 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x400000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 7: r0 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x40, 0x8000) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffff9c, 0x8933, &(0x7f0000000080)={'team0\x00', 0x0}) fstat(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000180)={{{@in=@dev={0xac, 0x14, 0x14, 0x19}, @in=@dev={0xac, 0x14, 0x14, 0x15}, 0x4e23, 0x4, 0x4e23, 0x0, 0xa, 0xa0, 0x0, 0xff, r1, r2}, {0xfffffffffffffffc, 0x1ff, 0x400, 0xfffffffffffffff9, 0x1, 0x8, 0x9, 0x4c996128}, {0xc3, 0x4309a376, 0x9, 0x253}, 0x5, 0x6e6bb4, 0x3, 0x1, 0x1, 0x3}, {{@in, 0x4d2, 0x33}, 0xa, @in, 0x3506, 0x6, 0x1, 0x100000001, 0x101, 0x2c}}, 0xe8) socket$netlink(0x10, 0x3, 0x5) ioctl$KVM_S390_UCAS_UNMAP(r0, 0x4018ae51, &(0x7f0000000140)={0xc7cd914, 0x2, 0xfff}) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={"0bc9623000fafd15ffbfffffff00", 0x4005}) syz_open_dev$admmidi(&(0x7f0000000280)='/dev/admmidi#\x00', 0x8, 0x8000) 2018/04/09 20:35:43 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xa00000000000000}, 0x1c) 2018/04/09 20:35:43 executing program 4: fcntl$setown(0xffffffffffffffff, 0x8, 0xffffffffffffffff) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r1 = getpgrp(r0) kcmp(r0, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r2 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$KVM_INTERRUPT(r2, 0x4004ae86, &(0x7f0000000040)=0xfffffffffffffffe) 2018/04/09 20:35:43 executing program 1: r0 = open(&(0x7f00000000c0)='./file0\x00', 0x10000, 0x1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000100)={{{@in, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@mcast1}}, &(0x7f0000000200)=0xe8) ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000240)={@mcast2={0xff, 0x2, [], 0x1}, 0x6, r1}) r2 = syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000000680)={0x54, 0x0, &(0x7f0000000580)=[@increfs={0x40046304}, @decrefs={0x40046307}, @reply={0x40406301, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000004c0), &(0x7f0000000540)}}], 0x0, 0x0, &(0x7f0000000640)}) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x40, 0x0) openat$cgroup_ro(r3, &(0x7f0000000080)='cpuacct.usage_user\x00', 0x0, 0x0) 2018/04/09 20:35:43 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x5000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={r1, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:43 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x2000000, @loopback={0x0, 0x1}}, 0x1c) [ 352.568963] binder: 24879:24886 IncRefs 0 refcount change on invalid ref 0 ret -22 [ 352.576865] binder: 24879:24886 DecRefs 0 refcount change on invalid ref 0 ret -22 [ 352.584653] binder: 24879:24886 got reply transaction with no transaction stack [ 352.592152] binder: 24879:24886 transaction failed 29201/-71, size 0-0 line 2763 [ 352.710832] binder: 24879:24903 IncRefs 0 refcount change on invalid ref 0 ret -22 [ 352.718699] binder: 24879:24903 DecRefs 0 refcount change on invalid ref 0 ret -22 [ 352.726478] binder: 24879:24903 got reply transaction with no transaction stack [ 352.734099] binder: 24879:24903 transaction failed 29201/-71, size 0-0 line 2763 2018/04/09 20:35:43 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x9, 0x20001) setsockopt$packet_rx_ring(r2, 0x107, 0x5, &(0x7f0000000040)=@req={0x7, 0x80000001, 0x7, 0xfa09}, 0x10) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:43 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfc000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:43 executing program 7: r0 = socket(0xc, 0x4000000000080003, 0x0) setsockopt(r0, 0x107, 0x40, &(0x7f0000001000), 0x0) getsockopt$sock_buf(r0, 0x1, 0x3b, &(0x7f0000000000)=""/238, &(0x7f0000000100)=0xee) 2018/04/09 20:35:43 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3a000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x7000000}, 0x1c) 2018/04/09 20:35:43 executing program 1: r0 = socket$inet(0x2, 0x3, 0x9) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x4000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x541b, &(0x7f0000000000)={'ip6gre0\x00'}) llistxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/103, 0x67) 2018/04/09 20:35:43 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) [ 352.785972] binder: undelivered TRANSACTION_ERROR: 29201 [ 352.791526] binder: undelivered TRANSACTION_ERROR: 29201 2018/04/09 20:35:43 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 1: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 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={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x2, 0x902) write$binfmt_aout(r0, &(0x7f0000000100)={{0x10b, 0xffffffff, 0x6, 0x67, 0x1f5, 0x6, 0x89, 0x7}, "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", [[], [], [], [], [], [], [], [], [], []]}, 0x1a20) poll(&(0x7f00000000c0)=[{r0}, {r1}], 0x2, 0x0) 2018/04/09 20:35:43 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3300, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x101043, 0x0) bind$bt_rfcomm(r2, &(0x7f0000000040)={0x1f, {0x3f, 0x1ff, 0x1000, 0x5, 0x2, 0x7fffffff}, 0x81}, 0xa) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) getpgrp(r3) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:43 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x4000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:43 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) 2018/04/09 20:35:43 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x8000000}, 0x1c) 2018/04/09 20:35:43 executing program 7: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000980)) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) ioctl$ASHMEM_PURGE_ALL_CACHES(r1, 0x770a, 0x0) fsetxattr(r1, &(0x7f00000000c0)=@known='security.capability\x00', &(0x7f0000000600)="0000000201000000000000010400000000000000", 0x14, 0x0) r2 = accept4$inet(0xffffffffffffff9c, 0x0, &(0x7f00000000c0), 0x80000) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000fc0)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000200)=0x2) socketpair(0xa, 0x3, 0x5, &(0x7f0000000cc0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r5, 0x84, 0x10, &(0x7f0000000400)=@sack_info={0x0, 0x1f, 0x20}, &(0x7f00000005c0)=0xc) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r5, 0x84, 0x1a, &(0x7f00000008c0)=ANY=[@ANYRES32=r6, @ANYBLOB="9a0000009e97353b13b119b928b4f48219c66eb3e682cf61708a5b85564c0ebbe00c87bbe5b1c86dc1ca71ec5ef3a32511aaaf10f37b80717c3636e8dbdccf29689907d4f7f931b07ec70f566c0fc0e29f1b49656af199fb25d6393e957f45044484345e8f892d4b0b885b164f3086e2052889c59668c419774bf65297354d35903dcb57ba5db28db1cb9e424729b573c169777d3800ce80000000000000"], &(0x7f00000006c0)=0xa2) ioctl$DRM_IOCTL_ADD_CTX(r4, 0xc0086420, &(0x7f0000000d40)={0x0}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r2, 0x4010641c, &(0x7f0000000680)={r7, &(0x7f0000000280)=""/97}) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000480)={r3, @in={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x10}}}, 0x1, 0x801}, 0xfffffe35) sendfile(r0, 0xffffffffffffff9c, &(0x7f0000000180), 0x4) r8 = accept(r0, &(0x7f0000000840)=@alg, &(0x7f00000003c0)=0x51) sendto$ipx(r8, &(0x7f0000000bc0)="662df4a093cdd7b35ff6ae42bc7d13930c1fea26aee3a47d99eb39c72fb76601dc87206d4eb86e00240f2194fa63c4e57a634a03fbc5a09ef3dcfb35ce84046ec80043aad86ba46f2e3bf4f8838948f37ed11512a1b49e92bb", 0x59, 0x20000040, 0x0, 0x0) setsockopt$inet6_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000340)="f6fa4b79ba6f6c4c5323e2af43013ecee5c86b06eeb23ef53a19c375a5f79c47658a554390c336a7455599d8f112c413f52eec22356dd4871dd874ff3eeb849bf7f48b056e1ccdd135800a9abba99cc4db4e02cfaac519c0bc3587121524814260ae93745387f031b19f289b21e0", 0x6e) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f0000001a40)=ANY=[@ANYRES32, @ANYBLOB="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"], &(0x7f0000000040)=0x2) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r2, 0x84, 0x77, &(0x7f00000003c0)=ANY=[], &(0x7f0000000240)) r9 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f0000000540)=@broute={'broute\x00', 0x20, 0x6, 0x39d, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000a80], 0x0, &(0x7f0000000300), &(0x7f0000001680)=ANY=[@ANYBLOB="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"]}, 0x415) ioctl$sock_inet_SIOCGIFBRDADDR(r8, 0x8919, &(0x7f0000000140)={'teql0\x00', {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xa}}}) bind$inet(r9, &(0x7f00001edff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @local={0xac, 0x223, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14, 0x2b}}, @udp={0x4e20, 0x4e20, 0x8}}}}}, &(0x7f00000000c0)) setsockopt$inet_dccp_int(r2, 0x21, 0x800000000000004, &(0x7f0000000100)=0x1ff, 0x2db) setsockopt$inet6_buf(r0, 0x29, 0xca, &(0x7f00000001c0)="3ec2e6f6b72e29f50e000000000000232014e9", 0x13) setsockopt$inet6_int(r0, 0x29, 0xc8, &(0x7f0000000000), 0x4) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f0000000440)={0x6, 0x1, 0x9, 0x4, 0xcb0b}, 0xc) prctl$getname(0x10, &(0x7f0000000740)=""/157) close(r0) 2018/04/09 20:35:43 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x4000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e23, @rand_addr=0xfffffffffffffffd}}, [0x20, 0xce6e, 0x0, 0x6, 0x62, 0x3, 0x2, 0x3, 0x5, 0x5, 0x7000000000, 0x58d8, 0x7, 0x9, 0x1000]}, &(0x7f0000000080)=0x100) 2018/04/09 20:35:43 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$KVM_GET_ONE_REG(r3, 0x4010aeab, &(0x7f0000000000)={0x10001, 0x1}) ioctl$TCGETA(r3, 0x5405, &(0x7f0000000080)) ioctl$sock_bt_hidp_HIDPGETCONNLIST(r3, 0x800448d2, &(0x7f0000000180)={0x1, &(0x7f00000000c0)=[{}]}) 2018/04/09 20:35:43 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xbb8, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:43 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x10000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:43 executing program 1: syz_emit_ethernet(0x2b, &(0x7f0000000100)=ANY=[@ANYBLOB="0180c2000000aaaaaaaaaaaa08004500001d0000000000119078ac14390a075f000108004e2100099078"], 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0xb95, 0x111280) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000040)) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000280)='IPVS\x00') sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40010000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x28, r1, 0xa02, 0x70bd27, 0x25dfdbfc, {0x6}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3df3}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xf296}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) 2018/04/09 20:35:43 executing program 7: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="2800000011000000000000000000000000000000", @ANYRES32=0x0, @ANYBLOB="000000000000000008001300", @ANYRES32=0x0], 0x28}, 0x1}, 0x0) 2018/04/09 20:35:43 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x1802}, 0x1c) 2018/04/09 20:35:44 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xff00000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_mreq(r0, 0x0, 0x80000021, &(0x7f0000000080)={@broadcast, @remote}, &(0x7f0000000000)=0x8) 2018/04/09 20:35:44 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) getpgrp(0x0) kcmp(r1, r1, 0x0, r0, r0) chmod(&(0x7f0000000040)='./file0\x00', 0x1) fcntl$setstatus(r0, 0x4, 0xc00) faccessat(r0, &(0x7f0000000000)='./file0\x00', 0xa4afbd110b97fec9, 0x401600) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:44 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:44 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2c00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x8, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:44 executing program 7: unshare(0x400) seccomp(0x1, 0x0, &(0x7f0000000080)={0x6, &(0x7f0000000040)=[{0x15, 0x7ff, 0x8, 0x5}, {0x8, 0x8, 0x1f, 0xffffffffffff2316}, {0x6, 0x3, 0x80000001, 0x2}, {0x256c, 0x6, 0x0, 0x9}, {0x5, 0x4, 0xff, 0x4}, {0x2, 0xca1, 0x4, 0x9}]}) r0 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) openat$cgroup(r0, &(0x7f0000000000)='syz1\x00', 0x200002, 0x0) fallocate(r0, 0x0, 0x0, 0x9) 2018/04/09 20:35:44 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfec0}, 0x1c) 2018/04/09 20:35:44 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f00002f0c31)='/dev/kvm\x00', 0x0, 0x0) r0 = socket$inet6(0xa, 0x20008000000001, 0x8010000000000084) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000040)=@assoc_id=0x0, &(0x7f0000000080)=0x4) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x8, &(0x7f0000000600)=[{&(0x7f0000000180)="25f1ba19947fb3e0f0b143c823a6107aff1d0e5ffd75499a2feca1892b0c3c164814c420c77506bd094a8667c4b4185379fe7e6f3ca9e2ca", 0x38, 0x7}, {&(0x7f00000001c0)="8de1b29b88f1df529da78b6c2f978f9ea27e90296e771db021dba5979ba876f4b3162ea6c8adf818b3434ab2b4923ffd1b216d542a76fcd9f0591116f38385fda5e521e9c8e12d7bab3a77a69d6d2791fe8748ebf2d92a5e26ebfb88deae4d34d51fd075b7dc68d7de992a7b7935cd37541f1738b4117db9c6a7aab1c4303d6dfa646b8812722246839fc4301e23ea5b51b667ce2724b84e2b55a968a3930e135b10f1", 0xa3, 0x1ff}, {&(0x7f0000000280)="212e4952ecccfa1e839b0fc58b016e149abcbe78d13a1491798ceb77ee36cc2d27ec9768f167937e7d7802e30025133b7ff79a6cefef9a7d5df91588036f1c6f6ef8f081c4014f4cb406fd16fe55599729a988a798ac0a08068966cf57d4bc", 0x5f, 0x7}, {&(0x7f0000000300)="10209c8225da25b836177be7b7e3d995f78ee07ba61c881b518e49ad668e3d48e4b3c419c4c2f23cbb47f32450ec62a3b14ed84fe39c03e7221c093add3c2cec32794bf55b47c64b22e9b8624aaacbb8832cc2921a9746a5b1c4fe98c7d68bd2fe1b960429a04c39eabc5ed7b68ab5db72347676", 0x74, 0x4}, {&(0x7f0000000380)="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", 0xfa, 0x6}, {&(0x7f0000000480)="6e136af688d1fddf88a0ecfe1ae0db461078a5e9f989d62a848eb77784a898ed14aaec1fb1e72f3c1351d141da865e8e97ad1a6be4", 0x35, 0xb59a}, {&(0x7f00000004c0)="c3eb05f9c81fc60ce6637044dcc878fec4766ca516d8f23510cd1b0993a98b76a1ab074a7f605eb998feb3ba6bf24492826cf73c7ecf1a9641a3d293e7ea1658b20ec73e772b7175b3372ebf6859e6cdece05ded6695951bb964ec3e80a8b720540c57bdad78c6da2bb38b597fba7fedd4a6c0", 0x73, 0x1f}, {&(0x7f0000000540)="0462a701ef25ef73dbb8569cc9ace1ce85508a8d5191ee3c0233ae4d86ff31d6bc8f771aa3a36a571051e6f0da6a673aae0cf3d07b6e960ecbd46f40fc178ffb4d925499f6ca04c3277e86aff2ac478621a45e74477059bf00cd993920d52f6c3defe63cfce580eeb4d1d62b02211fdfd57ec3a691504f5e55b8d73413f2cf2ee918e68c4a5d265e84a53de33a6c8f7e76dfffcc1dd29ba290afa491fb825c66b1355efc72", 0xa5, 0x1f}], 0x80000, &(0x7f00000006c0)={[{@disable_sparse_no={'disable_sparse=no', 0x3d, [0x3d, 0x39, 0x35, 0x32, 0x39, 0x34, 0x7d]}, 0x2c}, {@case_sensitive_no={'case_sensitive=no', 0x3d, [0x7e, 0x3d, 0x34, 0x3f, 0x36]}, 0x2c}, {@mft_zone_multiplier={'mft_zone_multiplier', 0x3d, [0x37, 0x31, 0x3b, 0x33]}, 0x2c}]}) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000000c0)=@assoc_value={r1, 0x614}, 0x8) getsockopt(r0, 0x84, 0x8000000006d, &(0x7f0000000000)=""/8, &(0x7f00003e4ffc)=0x8) [ 353.615674] sctp: [Deprecated]: syz-executor1 (pid 25031) Use of int in maxseg socket option. [ 353.615674] Use struct sctp_assoc_value instead [ 353.655383] sctp: [Deprecated]: syz-executor1 (pid 25037) Use of int in maxseg socket option. [ 353.655383] Use struct sctp_assoc_value instead 2018/04/09 20:35:44 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:44 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) r3 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0xffffffff, 0x80) getpeername$packet(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f00000002c0)=0x14) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000300)={{{@in, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@loopback}}, &(0x7f0000000400)=0xe8) getsockname$packet(0xffffffffffffff9c, &(0x7f00000004c0)={0x0, 0x0, 0x0}, &(0x7f0000000500)=0x14) lstat(&(0x7f0000000540)='./file0\x00', &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$nl_xfrm(r3, &(0x7f0000000880)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40a80022}, 0xc, &(0x7f0000000840)={&(0x7f0000000600)=@acquire={0x218, 0x17, 0x10, 0x70bd28, 0x25dfdbff, {{@in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4d2, 0x7f}, @in=@broadcast=0xffffffff, {@in=@remote={0xac, 0x14, 0x14, 0xbb}, @in6=@ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x4e24, 0x0, 0x4e22, 0x0, 0xa, 0x20, 0x80, 0x1, r4, r5}, {{@in6=@dev={0xfe, 0x80, [], 0x1b}, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x3, 0x0, 0x4e22, 0x8, 0x2, 0x20, 0xa0, 0x87, r6, r7}, {0x8514, 0xa108, 0x7, 0x80000000, 0x0, 0x2d, 0x2, 0x100}, {0x8, 0x9, 0xffffffffffffff01, 0x2}, 0x5, 0x6e6bb7, 0x1, 0x1, 0x1}, 0x6, 0x8, 0x7, 0x70bd2c}, [@extra_flags={0x8, 0x18}, @algo_aead={0xcc, 0x12, {{'ccm_base(ecb(camellia),sha512-ssse3)\x00'}, 0x3f8, 0x60, "ecfd8f638bac8723a6aba07567f3bf5de1e6d7e7894d37452e015f0914cb0f4cbb0a4772d801d125c60bbb261f1c55250047f25d817ea5975881e54732989e38518dba3fba46b802fce48df933b42c5bddb3a67def517cbfe677284f1b1169b781f411964f4404c27a32940ed74cd204805ac634a42f98ad4a7a48ada68cdd"}}, @encap={0x1c, 0x4, {0xffffffffffffffff, 0x4e24, 0x4e22, @in=@rand_addr=0x7}}]}, 0x218}, 0x1, 0x0, 0x0, 0x1}, 0x4000004) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:44 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x21000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xa00000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:44 executing program 7: seccomp(0x1, 0x0, &(0x7f0000000ff0)={0x2, &(0x7f0000208ff0)=[{0x1000020}, {0x16}]}) r0 = shmget$private(0x0, 0x1000, 0x780000ac, &(0x7f0000fff000/0x1000)=nil) shmctl$SHM_UNLOCK(r0, 0xc) 2018/04/09 20:35:44 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x218}, 0x1c) 2018/04/09 20:35:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x4) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) r1 = socket(0x11, 0x4000000000080003, 0x0) accept$ax25(r1, 0x0, &(0x7f0000000000)) r2 = geteuid() setsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000400)={{{@in6, @in=@rand_addr=0x6, 0x4e21, 0x2, 0x4e24, 0x0, 0x2, 0xa0, 0x80, 0xb7, 0x0, r2}, {0x2, 0x0, 0x5, 0x80000001, 0x6, 0x0, 0x8, 0x2}, {0xda, 0x0, 0x4, 0x1}, 0x45d0, 0x6e6bc0, 0x0, 0x1, 0x2}, {{@in=@loopback=0x7f000001, 0x4d6, 0x3e}, 0x2, @in=@loopback=0x7f000001, 0x4, 0x1, 0x3, 0x6c7c, 0x0, 0x1ff, 0x3f}}, 0xe8) setsockopt$packet_int(r1, 0x107, 0xa, &(0x7f0000788000)=0x2, 0x4) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000380)={&(0x7f0000000340)='./file0\x00', 0x0, 0x10}, 0x10) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0, 0xfffffffffffffeff}, &(0x7f0000000080)=0x8) getsockopt$bt_hci(r0, 0x0, 0x2, &(0x7f0000000200)=""/249, &(0x7f0000000300)=0xf9) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000000c0)={r3, @in6={{0xa, 0x4e24, 0x80, @dev={0xfe, 0x80, [], 0x15}, 0x4}}}, &(0x7f0000000180)=0x84) setsockopt(r1, 0x107, 0x5, &(0x7f0000001000), 0xc5) ioctl$EVIOCGSND(r0, 0x8040451a, &(0x7f0000000500)=""/187) setsockopt$packet_int(r1, 0x107, 0x12, &(0x7f00000003c0)=0x3f, 0x4) r4 = syz_open_dev$dmmidi(&(0x7f00000005c0)='/dev/dmmidi#\x00', 0x1f, 0x400000) ioctl$KVM_REGISTER_COALESCED_MMIO(r4, 0x4010ae67, &(0x7f0000000600)={0xd000, 0x14000}) write(r0, &(0x7f00000001c0)="2700000014000707030e0000120f0a0011000000f6070000ff000000078a001f05080029007500", 0x27) 2018/04/09 20:35:44 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3e8, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:44 executing program 4: r0 = inotify_init1(0x0) r1 = getpgrp(0x0) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) fcntl$setsig(r0, 0xa, 0x18) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000000)={0x3}) acct(0x0) sched_rr_get_interval(r2, &(0x7f0000000140)) r4 = socket$pppoe(0x18, 0x1, 0x0) r5 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x8002, 0x0) accept(r4, 0x0, &(0x7f0000000100)) openat$vsock(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vhost-vsock\x00', 0x2, 0x0) getpeername$inet6(r5, &(0x7f0000000080)={0x0, 0x0, 0x0, @dev}, &(0x7f00000000c0)=0x1c) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:44 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x5}, 0x1c) 2018/04/09 20:35:44 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:44 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x100000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:44 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) getpeername$inet6(r0, &(0x7f0000000000), &(0x7f0000000040)=0x1c) setsockopt$inet6_group_source_req(r0, 0x29, 0x30, &(0x7f0000001fc4)={0x0, {{0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, {{0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}}}, 0x36a3) [ 353.909502] audit: type=1326 audit(1523306144.582:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=25044 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x455259 code=0x0 [ 354.637099] audit: type=1326 audit(1523306145.311:4): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=25044 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x455259 code=0x0 2018/04/09 20:35:45 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x2], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21}, 0x10) sendto$inet(r0, &(0x7f00000000c0), 0x0, 0x0, &(0x7f0000000100)={0x2, 0x4e21}, 0x10) ioctl$sock_netrom_SIOCGSTAMPNS(r0, 0x8907, &(0x7f0000000080)) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000180)={'syzkaller0\x00', 0x1000}) recvmsg(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000240), 0x0, &(0x7f00000005c0)=""/104, 0x68}, 0x0) ioctl$sock_inet_sctp_SIOCINQ(r0, 0x541b, &(0x7f0000000040)) socketpair$ax25(0x3, 0x7, 0xce, &(0x7f00000000c0)={0xffffffffffffffff}) bind$ax25(r1, &(0x7f0000000140)={0x3, {"a483a91418eb60"}, 0x608}, 0x10) 2018/04/09 20:35:45 executing program 4: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) mkdirat(r0, &(0x7f0000000040)='./file0\x00', 0x18e) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f00000000c0)) fcntl$getownex(r1, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) bind$vsock_dgram(r0, &(0x7f0000000000)={0x28, 0x0, 0x2711, @hyper}, 0x10) kcmp(r2, r3, 0x6, r1, 0xffffffffffffffff) fcntl$setownex(r1, 0xf, &(0x7f0000000080)={0x1, r3}) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:45 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x3564060800000000}, 0x1c) 2018/04/09 20:35:45 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$int_in(0xffffffffffffffff, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:45 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r3, 0x4c01) fdatasync(r3) 2018/04/09 20:35:45 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x400300, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:45 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x500, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x7, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:45 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000001580)={'team0\x00', 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f00000015c0)={{{@in=@dev, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@local}}, &(0x7f00000016c0)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f0000001700)={{{@in=@dev={0xac, 0x14, 0x14, 0x1a}, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0x4e22, 0x40, 0x4e24, 0x1000, 0x0, 0xa0, 0x20, 0x32, r4, r5}, {0x0, 0x2, 0x1, 0x5, 0x800, 0x1, 0x3ff, 0x7}, {0x2, 0x136, 0x81, 0x4}, 0x3, 0x6e6bbd, 0x0, 0x1, 0x3, 0x3}, {{@in6=@loopback={0x0, 0x1}, 0x4d2, 0x6c}, 0xa, @in=@loopback=0x7f000001, 0x0, 0x0, 0x3, 0x4, 0x7f, 0x9, 0x80000000}}, 0xe8) fstat(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_mount(&(0x7f0000000000)='./file0\x00', 0x1001, r6, r7, 0x9, 0x200000) r8 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_SERVICE(r3, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x84000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000440)={0x14, r8, 0x200, 0x70bd28, 0x25dfdbfc, {0x3}}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x80) 2018/04/09 20:35:45 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe, @loopback={0x0, 0x1}}, 0x1c) [ 354.872438] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:45 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x200000000000000}, 0x1c) 2018/04/09 20:35:45 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xc0ffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 355.000157] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:45 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:45 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x8d0f000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:45 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000000)) 2018/04/09 20:35:45 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000040)={0x79}) flistxattr(r1, &(0x7f00000000c0)=""/155, 0x9b) ioctl$KVM_DEASSIGN_PCI_DEVICE(r1, 0x4040ae72, &(0x7f00000001c0)={0x12, 0x0, 0x2, 0x4}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)=ANY=[@ANYBLOB="0100000000110000710000406f2fba1b399827"]) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000000)=0x0) sched_getattr(r3, &(0x7f0000000180), 0x30, 0x0) 2018/04/09 20:35:45 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x33000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x400000000000000}, 0x1c) 2018/04/09 20:35:45 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r3, 0x4c01) fdatasync(r3) 2018/04/09 20:35:45 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x300], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:45 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x29000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:45 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) creat(&(0x7f0000000040)='./file0\x00', 0xb0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000140)=0x10000, 0x8) 2018/04/09 20:35:46 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf4010000, @loopback={0x0, 0x1}}, 0x1c) [ 355.291839] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:46 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x6000000}, 0x1c) 2018/04/09 20:35:46 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:46 executing program 0: perf_event_open(&(0x7f0000348f88)={0x0, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:46 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x9000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:46 executing program 7: clock_gettime(0x5, &(0x7f00000000c0)) r0 = socket(0x10, 0x80002, 0x0) bind$netlink(r0, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002080)='net/rpc\x00') ioctl$VHOST_SET_MEM_TABLE(r1, 0x4008af03, &(0x7f0000002380)=ANY=[@ANYBLOB="070000000000000002000100000000002700000000000000", @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00P\x00\x00\x00\x00\x004,\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="00000000000000000200000000000000a900000000000000", @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00;\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB="000000000000000000100000000000000100000000000000", @ANYBLOB="000000000000000002000000000000000100000000000000", @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00k\x00\x00\x00\x00\x00\x00\x00', @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00']) write(r0, &(0x7f0000df8fd9)="2600000022004701050007008980e8ff06006d20002b1f00c0e9ff094a51f10101c7033500b0", 0x26) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000000)=0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) kcmp$KCMP_EPOLL_TFD(r2, r3, 0x7, r0, &(0x7f0000000080)={0xffffffffffffffff, r0, 0xf471}) connect$netlink(r0, &(0x7f0000000100)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000b4bffc), 0x4) sendto(r0, &(0x7f0000cfefee), 0x209, 0x0, 0x0, 0x0) ioctl$sock_netrom_SIOCGSTAMPNS(r0, 0x8907, &(0x7f0000002040)) sched_rr_get_interval(r3, &(0x7f0000000200)) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000025c0)={&(0x7f0000002580)='./file0\x00', r1}, 0x10) nanosleep(&(0x7f0000000280)={0x0, 0x1c9c380}, &(0x7f0000000380)) connect$pppoe(r0, &(0x7f0000002000)={0x18, 0x0, {0x1, @random="fbed0d81127c", 'vcan0\x00'}}, 0x1e) recvmmsg(0xffffffffffffffff, &(0x7f0000001f00)=[{{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f00000002c0)=""/161, 0xa1}, {&(0x7f0000000240)=""/64, 0x40}, {&(0x7f00000003c0)=""/186, 0xba}, {&(0x7f0000000480)=""/4096, 0x1000}, {&(0x7f0000001480)=""/71, 0x47}, {&(0x7f0000001500)=""/152, 0x98}], 0x6, 0x0, 0x0, 0xfff}, 0x8}, {{0x0, 0x0, &(0x7f0000001740)=[{&(0x7f0000001640)=""/213, 0xd5}], 0x1, &(0x7f0000001780)=""/133, 0x85, 0x7}, 0x4}, {{&(0x7f0000001840)=@alg, 0x80, &(0x7f0000001e40)=[{&(0x7f00000018c0)=""/178, 0xb2}, {&(0x7f0000001980)=""/43, 0x2b}, {&(0x7f00000019c0)=""/176, 0xb0}, {&(0x7f0000001a80)=""/251, 0xfb}, {&(0x7f0000001b80)=""/145, 0x91}, {&(0x7f0000001c40)=""/58, 0x3a}, {&(0x7f0000001c80)=""/159, 0x9f}, {&(0x7f0000001d40)=""/214, 0xd6}], 0x8, &(0x7f0000001ec0)=""/12, 0xc, 0x1}, 0x7fffffff}], 0x3, 0x40002000, &(0x7f0000001fc0)) ioctl$KDDISABIO(0xffffffffffffffff, 0x4b37) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000140)={0x0, @in={{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x4, 0x101, 0x4a324670, 0x20, 0x3}, &(0x7f00000020c0)=0x98) bind$unix(r0, &(0x7f0000002100)=@abs={0x0, 0x0, 0x4e20}, 0x6e) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000002500)={r4, 0x5}, &(0x7f0000002540)=0x8) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) syz_mount_image$ext4(&(0x7f0000002180)='ext2\x00', &(0x7f00000021c0)='./file0\x00', 0x1000, 0x3, &(0x7f0000002440)=[{&(0x7f0000002200)="33a6808e4cef3ca90fd63dd7a64f18a834cd816bee346ecf5af93fba7124d88c69b23d1d0ae71ef9e7d73be268cbdb8dbff1d7ff3a090d09666c3403e6117dde77f9b0a1712740f559b749b52c1d56a156371ffdd33c134b8d34a76d134f6d6a59bab49656c68e4ac8f39d3e4c0a071e2d7a406b57f2dada6dbb3a6c18ecbef712b308", 0x83, 0x10001}, {&(0x7f0000002600)="6732cb44f7f1fe4a511b58a9585ab06074300c4f7a0299862c89bee0bbbc501c3e141f8ef05dc6e202231e3007e9b8affadd4b15f66e154ada64b6caa9273c45cf2fa1a4e60872cef5a5aac69dd52aa78a69183b72667e8d7e7db57cd5edbfd3f72a9d70e405bbfe34af4c942745e2a1c48ee47229e5c2ac5e7fa31274316ba3020fd5bb1a0b2981c07dc56d0c012b3bda33ae70e77cfd26a31bea8ae42fef3876791756f194527359a3ac4bc8f4e84ee4645ec7e380d60b2a7aa0c662d54d0c79a58dfe5a12934b9489f9519972af26a0669a909ff80b5aaf730b1125c0b16c1a1e87", 0xe3, 0x3ff}, {&(0x7f00000022c0)="17e077258c434b25475fe7b6941159f4c88ae8309801c50262f54df9e71117098a245290ae949d0531eeef3bb32b9fe9143dc36385681f8442bbee8b19ac35456d0a3304cd877054c57773c58647d92764917d47973b4507eeb5ce1398f4ef7ca12bd8aa2446a5272e62d6a776020d3f78cef45a97dd09c4098ed9bdddea04cddd2c3e154d6e8b386783c79c25b41c8f80d916d7486fa185e6647834fb33b1e3644c358d2c549ba62aeafd7cd322c77a2ff43297f2453aa41e49", 0xba, 0x480000000}], 0x1002c42, &(0x7f0000002700)={[{@nojournal_checksum='nojournal_checksum', 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}, {@abort='abort', 0x2c}, {@usrquota='usrquota', 0x2c}, {@noload='noload', 0x2c}, {@nomblk_io_submit='nomblk_io_submit', 0x2c}, {@auto_da_alloc_val={'auto_da_alloc', 0x3d, [0x7b, 0x30, 0x2d]}, 0x2c}, {@nogrpid='nogrpid', 0x2c}]}) prctl$intptr(0x29, 0x0) 2018/04/09 20:35:46 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) mkdirat(r3, &(0x7f0000000000)='./file0\x00', 0x0) 2018/04/09 20:35:46 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r3, 0x4c01) fdatasync(r3) 2018/04/09 20:35:46 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfe80}, 0x1c) 2018/04/09 20:35:46 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:46 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfe80, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:46 executing program 0: perf_event_open(&(0x7f0000348f88)={0x0, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:46 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:46 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xfe800000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:46 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xa000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:46 executing program 0: perf_event_open(&(0x7f0000348f88)={0x0, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) [ 355.704557] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:46 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x900}, 0x1c) 2018/04/09 20:35:46 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) pwrite64(r0, &(0x7f0000000000)="133b5c237c02ee3ffea6772cf9b317224d51d5a770fd0fc515a6a934312800fadec64d570acafdc5b3916da2896396581fb1463de6d91eb8306623a8c5f6c65ceecaeaeb1a546c161eca6de6", 0x4c, 0x0) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = semget(0x3, 0x0, 0x110) semctl$GETPID(r2, 0x4, 0xb, &(0x7f0000000140)=""/215) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) setsockopt$EBT_SO_SET_ENTRIES(r4, 0x0, 0x80, &(0x7f00000000c0)=@broute={'broute\x00', 0x20, 0x2, 0x378, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000080), &(0x7f0000000600)=ANY=[@ANYBLOB="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"]}, 0x3f4) dup3(r0, r0, 0x80000) dup(r4) 2018/04/09 20:35:46 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) ioctl$LOOP_CLR_FD(r3, 0x4c01) fdatasync(r3) 2018/04/09 20:35:46 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2c00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:46 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 355.994258] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:47 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xa00, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:47 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:47 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000200)='/dev/sequencer2\x00', 0x2000, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r0, 0x28, 0x6, &(0x7f0000000280)={0x77359400}, 0x10) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x41, &(0x7f0000000500)=ANY=[@ANYBLOB="736563ca72707479000000000000000000000000000000000000000b000000000200000000000000000000f8ffffffffffffff0000000000000000000000000000000000000000000033f12def82f19d3216877d97931e1729128f03c06ac6fabfae0bc00c976514630090d9fda65c7fe56af5cd0ce2b3f00881305c9da23ef21f2ab572d8389ade0e95114908ffcdb750b8b379f2ecc7f1eda3b7982c0c860398bd3421b124023085623c2edb7143ef7242715836abd6873cfd9a44f6bf7800b0a30e589a0e994cdaff299ef533bbac128b2124b3efeb65dcbd9c81b182a17e780973cbded6e697f45b30c32f00"], 0x48) statx(r0, &(0x7f00000002c0)='./file0\x00', 0x0, 0x20, &(0x7f0000000300)) kexec_load(0x9, 0x3, &(0x7f0000000180)=[{&(0x7f0000000000)="46dfc1bf49199293f02cfa3eed74bd1394452b879f3e58abb1702ce332bd1ae71a259bea3e99da5981e41f42e9477cf0e1c22be2d88a5b9f121943", 0x3b, 0x2, 0xfffffffffffffa25}, {&(0x7f0000000040)="b8693801b143122ad4da664bfa3cac87f9eba753397b7fad89e88535c08eff08f1916606a86f28c90a9a862d19042fcc50d416bbef59b8e37d817dfcbaffd0aa576d8e8cdb772c939d37349956470064d6b8bcc2c4ea478f3d77ef60e35b6b7a77da6edf8b1b2514828887682126d5214f10e57a9f068b79fda9143fe717c95b727921f2083b98a9b7a7da30c6c04060d42143623baaf0d72842c6e89eef398c4b5d94e08a505d35b70cd7816a3f03198faaf9c173c07fdc96fa881f30914cc6c40db679b7eb7cabc79b41e607fe4b701d4404d2d3c8363266", 0xd9, 0x6, 0x1000}, {&(0x7f0000000140)="1d127f7f85b504b6e1e5e00646c9991792292d79373b42f13d50e07fc91d611c542ed88d90e6960b0507c06d241664101fa9c0de3d7e43d6ff11759a", 0x3c, 0x11, 0xff}], 0x3e0000) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:47 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x6}, 0x1c) 2018/04/09 20:35:47 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:47 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x160, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:47 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) creat(&(0x7f0000000040)='./file0\x00', 0xb0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000140)=0x10000, 0x8) 2018/04/09 20:35:47 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) fdatasync(r3) 2018/04/09 20:35:47 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:47 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3300000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:47 executing program 4: r0 = inotify_init1(0x800) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f00000000c0)={0x9, [0x8, 0xcf2, 0x81, 0x282, 0x4, 0x1, 0x100000000, 0xfffffffffffffffd, 0x6]}, 0x16) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000040)=0x0) r3 = syz_open_dev$midi(&(0x7f0000001580)='/dev/midi#\x00', 0x119, 0x80000) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f00000015c0)={0x0, 0x85, "2665fb4db741f9847181460a8cc830ef98f9b8101c5fe527664d1c8fdf750ed55652aadd2110198c62a3501a2f8eda8b93f02477691ae3220d92576830d9b1f0a140486a1b3cb1e603f035cda65ea66d8ee70abbcd2e79678f8b0361a9da33e2fe740e1378bf7ee55358571ae3173754581a591a1a06b6b427864b5e5b9b9baa3d16a33547"}, &(0x7f0000001680)=0x8d) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000016c0)={r4, 0x81}, &(0x7f0000001700)=0x8) fcntl$setown(r0, 0x8, r2) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000100)={{{@in=@local, @in6=@mcast1}}, {{@in=@remote}, 0x0, @in6=@remote}}, &(0x7f0000000200)=0xe8) r6 = getpgrp(0x0) kcmp(r5, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:47 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x8d0f, @loopback={0x0, 0x1}}, 0x1c) [ 356.998193] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:47 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:47 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xffffffff00000000}, 0x1c) 2018/04/09 20:35:47 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) creat(&(0x7f0000000040)='./file0\x00', 0xb0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000140)=0x10000, 0x8) 2018/04/09 20:35:47 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:47 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) fdatasync(r3) [ 357.291453] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2100000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfe80000000000000}, 0x1c) 2018/04/09 20:35:48 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x101000, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r3, 0x28, &(0x7f0000000040)}, 0x10) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:48 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x35c, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:48 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) fdatasync(r3) 2018/04/09 20:35:48 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) creat(&(0x7f0000000040)='./file0\x00', 0xb0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000140)=0x10000, 0x8) 2018/04/09 20:35:48 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x60010000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) timer_create(0x1, &(0x7f0000000000)={0x0, 0x2, 0x0, @tid=r1}, &(0x7f0000000040)=0x0) timer_getoverrun(r3) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:48 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) creat(&(0x7f0000000040)='./file0\x00', 0xb0) [ 357.463399] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:48 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x34000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:48 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x3f00000000000000}, 0x1c) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) fdatasync(r3) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 357.733628] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:48 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:48 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) setsockopt$IP_VS_SO_SET_DEL(r3, 0x0, 0x484, &(0x7f0000000000)={0xde, @loopback=0x7f000001, 0x4e24, 0x3, 'dh\x00', 0x0, 0x6, 0x74}, 0x2c) 2018/04/09 20:35:48 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) 2018/04/09 20:35:48 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xe000000}, 0x1c) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xa, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x2, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:48 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) fdatasync(r3) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x29, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0xa0800, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc0], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xb80b000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:48 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x3f00}, 0x1c) 2018/04/09 20:35:48 executing program 4: r0 = inotify_init1(0x0) r1 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x0) mmap(&(0x7f00002e4000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) name_to_handle_at(r1, &(0x7f00002e4000)='./file0\x00', &(0x7f0000002000)={0x8}, &(0x7f0000001ffc), 0x1400) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) pwritev(r0, &(0x7f0000000500)=[{&(0x7f0000000000)="ea01a7a7b30fd3e9bdaee0d6c92c8a48adec592fda67c39d3fb870442c0774dbcac877325f45451e0bd0bbeeed8527e01db2c3ebd6d9aa4d8fe0fed8d91887e725b9a0abf5f7632212eb4f59d839b0ecd5a2ed5ea0f4f6b15d0fa486409903afcfc0baf646133d42c62a7abdf9b28dd0506a127813b7b3fe2634c0a42bd44f8b8b886b39a3ba91565d094893ecb70738e204db330789236b30fda07df861f054382d1870", 0xa4}, {&(0x7f00000000c0)="85a37033b3a4323bda7d3f39288b7b0c8d2ac19c3ae77b204c154edc918e5b12f929aa2d41869226d8d69a27c3bed99b85a90e186ef277675a1e01387158b7ca3f6bc4d12e24f2950c0f49db4a286f17cf427daa650f640d8ba0214c739220b7a94aaafb1a01a8c4ec9ee6e4861828fa1a5f", 0x72}, {&(0x7f0000000140)="9e78d0823ca7a89314bf7cf6f6a3134e8dc797d6e495ece355dad5af6075ade55c4fde12fc90fa01d5d17d2d42da2641d19f182183a324d7a0a39b2bc50981b958de41e2f47d1b4f0a7de9a456a08c90f1a2fb4fac7b6e4ea60e4f9d2d215afd7fd3d853cda7d6061f39fe5e150f9ac2dffdbacf0a97e9c4252cf0ef4540a81c9d8b855f8cfa81324c351c1f99580f8e9f454deb849f830d5078be49d2d36192abb4ae610dcc8644810169939cce8e3504df36720c4f52fa613ba89af3616c9e86a1659e1ab0ac14eeca3d8704ebacc4dd1a59b22f76f6cd9661cd1b5dd11d6f4b3152b42ae224a889742af8bc6d", 0xee}, {&(0x7f0000000280)="a4f8f424bf12b84b523dee7fb4716d626b8a58dc84c8e4b97124557d662e000fd974c6a5189a80c84bc3c43dcc5a7fbc", 0x30}, {&(0x7f00000002c0)="0d6b725fe913845fd50d1f92ce4e4eeba339fd6fbac3f0b9eba8eac06f01839b3effc56da4cb7e53b36f1483b8618f220bcb2ba26a747ee4e4ad429658fcd51ea96f2a7744e680055495bc39f116eb6c58ff33eb5a9af2f513a8aba5f0989ab81542b62f508a6f1b245311572cf87575c4364b629d6f90ed2913d1f668b415e0de509b54603e03978bfc8b99fedc4fa5", 0x90}, {&(0x7f0000000380)="315e3798bc94b81c91c2034eda2fb486fe97d8bd3305f639f0516ab53273596cd6fcb48847f55360f335e84d42d67b4a0668a40f3e89d353becd05", 0x3b}, {&(0x7f00000003c0)="7e6c2d326a1c4d340481b8227e0abf17201840", 0x13}, {&(0x7f0000000400)="ee49daad50e8a85f9eafe9feb0", 0xd}, {&(0x7f0000000440)="1eefa8774ac0da2775466f0151db20c419d3f221028e03a8912bade042261a7bbc3a333cf377a44f9c3d345eb3f82fda1fbb2e56117095f294bb89022b602a9dac512ae3a74dcecfc57156da60a54772d3357e34fbdbdb5155e4e6c36cf58e05175b99c156b5b40a6a1e4d65ca7e55902eec306b6f235583d2e6c137b3d999e5da06f02d0b46e95c931085d7b658b8b466b1a7ed7a9180b35d875a56102f8bcb09a2064c5334b91de6967eb028f834e30864", 0xb2}], 0x9, 0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) [ 357.966141] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2b00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x40000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:48 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)) r5 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r6}) kcmp(r1, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) 2018/04/09 20:35:48 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:48 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1100000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfc}, 0x1c) 2018/04/09 20:35:48 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(0xffffffffffffffff, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:48 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:48 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) fdatasync(r3) 2018/04/09 20:35:49 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1100, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 358.333321] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:49 executing program 4: r0 = inotify_init1(0x0) syncfs(r0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x40000, 0x0) ioctl$TIOCMGET(r2, 0x5415, &(0x7f0000000040)) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) write$binfmt_script(r0, &(0x7f0000000080)={'#! ', './file0', [{0x20, '/dev/hwrng\x00'}, {0x20, '/dev/hwrng\x00'}, {0x20, '/dev/hwrng\x00'}, {0x20, '/dev/hwrng\x00'}, {0x20, '}vmnet0(em0ppp0]em1(:lotrustedGPL'}, {0x20}], 0xa}, 0x5e) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000100)={'ifb0\x00', 0x0}) stat(&(0x7f0000000140)='./file0/file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f0000000280)={{{@in=@dev={0xac, 0x14, 0x14, 0xb}, @in6=@remote={0xfe, 0x80, [], 0xbb}, 0x4e23, 0x9, 0x4e23, 0x0, 0xa, 0x80, 0x20, 0x0, r5, r6}, {0x7, 0x400, 0x3f, 0x9, 0x2, 0xea, 0xb84e, 0x200}, {0x8000, 0x8, 0xffffffffffffffff, 0x4}, 0x7, 0x6e6bba, 0x2, 0x1, 0x3, 0x3}, {{@in6=@ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x4d4, 0xff}, 0xa, @in=@rand_addr=0x5, 0x0, 0x3, 0x3, 0x1, 0xdc0, 0x0, 0x80}}, 0xe8) 2018/04/09 20:35:49 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x9, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:49 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x0, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:49 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x240}, 0x1c) 2018/04/09 20:35:49 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) fdatasync(r3) 2018/04/09 20:35:49 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)) r5 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r6}) kcmp(r1, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:49 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x900000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:49 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:49 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x4, 0x2000) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:49 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x4000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 358.628929] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:49 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x33, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)) r5 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r6}) kcmp(r1, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:49 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:49 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xff00000000000000}, 0x1c) 2018/04/09 20:35:49 executing program 4: r0 = inotify_init1(0x800) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) syz_open_procfs(r1, &(0x7f0000000000)='net/sctp\x00') 2018/04/09 20:35:49 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x700000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:49 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) fdatasync(r3) [ 358.900606] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:49 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x500000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x8d0f0000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:49 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000000c0)={0x0, 0x8}, &(0x7f0000000100)=0x8) 2018/04/09 20:35:49 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x4000, 0x0) ioctl$KDGETMODE(r3, 0x4b3b, &(0x7f0000000140)) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x0) fcntl$lock(r0, 0x7, &(0x7f0000000000)={0x2, 0x1, 0x6, 0x7fffffff, r1}) rt_sigqueueinfo(r1, 0x21, &(0x7f0000000040)={0x29, 0xff, 0x10000, 0x5}) getsockopt$inet_opts(r4, 0x0, 0x0, &(0x7f0000000080)=""/29, &(0x7f00000000c0)=0x1d) ioctl$KVM_RUN(r4, 0xae80, 0x0) 2018/04/09 20:35:49 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) fdatasync(r3) 2018/04/09 20:35:49 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)) r5 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) kcmp(r1, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:49 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x800000000000000}, 0x1c) 2018/04/09 20:35:49 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe803000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:49 executing program 4: r0 = inotify_init1(0x0) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000000)=0x0) fcntl$setown(r0, 0x8, r1) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x80900, 0x0) ioctl$EVIOCGID(r2, 0x80084502, &(0x7f0000000080)=""/213) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) inotify_add_watch(r0, &(0x7f0000000180)='./file0\x00', 0x40) socket$pptp(0x18, 0x1, 0x2) r4 = getpgrp(0x0) kcmp(r3, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:49 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xc0ffffff, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:49 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) [ 359.109516] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:49 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x4002000000000000}, 0x1c) 2018/04/09 20:35:49 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)) r5 = getpgrp(0x0) kcmp(r1, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:49 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) fdatasync(r3) [ 359.318767] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:50 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2f00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mixer\x00', 0x40000, 0x0) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000140)={0x4, 0x8001, 0x4, 0x5, 0x100000000, 0x7}) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) ioctl$KVM_PPC_GET_SMMU_INFO(0xffffffffffffffff, 0x8250aea6, &(0x7f0000000040)=""/188) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:50 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x500000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:50 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fdatasync(r3) 2018/04/09 20:35:50 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)) kcmp(r1, 0x0, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:50 executing program 0: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getpgrp(0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000280)={0x8, 0x0, 0x10001, 0x3}) ioctl$DRM_IOCTL_SG_FREE(r3, 0x40106439, &(0x7f00000002c0)={0x1c7a, r7}) kcmp(r1, r6, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r8 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r5, r8) creat(&(0x7f0000000040)='./file0\x00', 0xb0) 2018/04/09 20:35:50 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x2001001000000000}, 0x1c) 2018/04/09 20:35:50 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x8000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 359.502494] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:50 executing program 4: r0 = inotify_init1(0x0) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) fcntl$setown(r0, 0x8, r1) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:50 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) fdatasync(r3) 2018/04/09 20:35:50 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xc0ffffff00000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:50 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x300000000000000}, 0x1c) 2018/04/09 20:35:50 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) fdatasync(r3) [ 359.731790] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 359.758931] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:50 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f00000000c0)={r4, 0x1}, &(0x7f0000000100)=0x8) r5 = getpgrp(0x0) kcmp(r1, r5, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:50 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x3, 0x200) ioctl$BINDER_THREAD_EXIT(r3, 0x40046208, 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x2000000000) connect$vsock_dgram(r3, &(0x7f0000000040)={0x28, 0x0, 0xffffffff, @reserved=0x1}, 0x10) 2018/04/09 20:35:50 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x200000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:50 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x40020000}, 0x1c) 2018/04/09 20:35:50 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) fdatasync(r3) 2018/04/09 20:35:50 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:50 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x138, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x2, 0x40000) getsockopt$inet_udp_int(r2, 0x11, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f00000000c0)='./file0\x00', 0xd) 2018/04/09 20:35:50 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 359.915645] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:50 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x300000000000000, @loopback={0x0, 0x1}}, 0x1c) [ 359.968207] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:50 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x20010010}, 0x1c) 2018/04/09 20:35:50 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffff89, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:50 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:50 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) r4 = getpgrp(0x0) kcmp(r1, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:51 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = creat(&(0x7f0000000240)='./file0\x00', 0x0) setsockopt$RDS_CANCEL_SENT_TO(r3, 0x114, 0x1, &(0x7f0000000100)={0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) r4 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0xffff, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000040)={0x0, 0x2}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f00000000c0)={0x1000, 0x4, 0x8002, 0x9, 0x8, 0x80000000, 0x1, 0xfffffffffffffffd, r5}, 0x20) 2018/04/09 20:35:51 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r3, r3, &(0x7f0000000080), 0x102000004) fdatasync(r3) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfe800000}, 0x1c) 2018/04/09 20:35:51 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x1000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3801000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000080)=@sack_info={0x0, 0x1, 0x5}, &(0x7f00000001c0)=0x5) r4 = getpgrp(0x0) kcmp(r1, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:51 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x11, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:51 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) fdatasync(0xffffffffffffffff) [ 360.411687] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffff88, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 4: r0 = inotify_init1(0x80000) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x100, 0x0) epoll_pwait(r2, &(0x7f0000000040)=[{}], 0x1, 0x7ff, &(0x7f0000000080)={0xffffffffffffffed}, 0x8) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000140)='./file0\x00', 0x1000000) 2018/04/09 20:35:51 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x300}, 0x1c) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xffffffc0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:51 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) fdatasync(r3) 2018/04/09 20:35:51 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:51 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x800000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xe00}, 0x1c) 2018/04/09 20:35:51 executing program 4: r0 = inotify_init1(0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x141, 0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() fstat(r0, &(0x7f0000000100)) socketpair$inet(0x2, 0x6, 0x4, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r5, 0x6, 0x21, &(0x7f00000001c0)="d944555d45237511b1a95c72579f34d9", 0x10) setresgid(r3, r4, r3) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r7 = ioctl$KVM_CREATE_VM(r6, 0xae01, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(0xffffffffffffffff, 0x84, 0x16, &(0x7f0000000380)=ANY=[@ANYPTR=&(0x7f00000001c0)=ANY=[@ANYPTR=&(0x7f0000000200)=ANY=[@ANYBLOB="0f33"]]], &(0x7f0000000340)=0x1) ioctl$KVM_SET_USER_MEMORY_REGION(r7, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r8, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000de9000)=[@text32={0x20, &(0x7f0000f59fc6)="0fc75fedc4c3c968fb6c0f9cfbb9040100c00f3266b842008ee80f230064672ec015dec4e245bea5d41e6082f9440f20c03506000000440f22c0", 0x3a}], 0x0, 0x0, &(0x7f0000000180), 0x0) ioctl$KVM_RUN(r8, 0xae80, 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x11000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 360.752927] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 360.775651] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:51 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfc00, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:51 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) fdatasync(r3) 2018/04/09 20:35:51 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfffffff5}, 0x1c) 2018/04/09 20:35:51 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x10000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 361.012319] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 361.078986] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:51 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe803000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x80040200, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x50000}, 0x1c) 2018/04/09 20:35:51 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:51 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x3e126e00, 0x101000) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:51 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) fdatasync(r3) 2018/04/09 20:35:51 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:51 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000140)={0x101, 0x202, 0xfffffffffffffffd, 0xffffffff, 0x0}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f00000001c0)={r3, 0xfffffffffffff435, 0x6, 0x1, 0x9, 0x80}, 0x14) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_SIOCGSKNS(r4, 0x894c, &(0x7f0000000200)=0x8001) r5 = creat(&(0x7f0000000240)='./file0\x00', 0x0) statx(r5, &(0x7f0000000000)='./file0\x00', 0x2800, 0x0, &(0x7f0000000040)) 2018/04/09 20:35:51 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x6001, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:51 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 361.264782] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 361.276522] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:52 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe8030000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:52 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) fdatasync(r3) 2018/04/09 20:35:52 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x5000000}, 0x1c) 2018/04/09 20:35:52 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f0000000140)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 361.517579] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:52 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x204, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:52 executing program 4: r0 = inotify_init1(0x800) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:52 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:52 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x600, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:52 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) socket$inet(0x2, 0x6, 0x0) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r2) 2018/04/09 20:35:52 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x2000000}, 0x1c) 2018/04/09 20:35:52 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) fdatasync(r3) 2018/04/09 20:35:52 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x80005, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2e, &(0x7f00007de000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x3bb) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:52 executing program 4: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xe}, 0x3}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f00000008c0)={0x0, 0x1b5}, &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2, 0x4e20}, 0x10, &(0x7f00000003c0)=[{&(0x7f00000002c0)="b25b2002e7d8bc055c7d9ed742f2ca865f150419606e27d187b4ce0f2f81d8a0ab0d18a71f265b68c86f9c82600911dcc4698a4baebfb56adf90bec3", 0x3c}], 0x1, &(0x7f0000000940), 0x0, 0x24000001}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu=0x1}) fdatasync(r3) 2018/04/09 20:35:52 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:52 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3c00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 361.664908] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 361.687622] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:52 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x4, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:52 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x91ffffff}, 0x1c) 2018/04/09 20:35:52 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x80005, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:52 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) fdatasync(r3) [ 361.789878] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:52 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r2) 2018/04/09 20:35:52 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 361.947218] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 361.948753] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:52 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xf5ffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:52 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:52 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x1fffff, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:52 executing program 4: r0 = inotify_init1(0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x141, 0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() fstat(r0, &(0x7f0000000100)) socketpair$inet(0x2, 0x6, 0x4, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r5, 0x6, 0x21, &(0x7f00000001c0)="d944555d45237511b1a95c72579f34d9", 0x10) setresgid(r3, r4, r3) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r7 = ioctl$KVM_CREATE_VM(r6, 0xae01, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(0xffffffffffffffff, 0x84, 0x16, &(0x7f0000000380)=ANY=[@ANYPTR=&(0x7f00000001c0)=ANY=[@ANYPTR=&(0x7f0000000200)=ANY=[@ANYBLOB="0f33"]]], &(0x7f0000000340)=0x1) ioctl$KVM_SET_USER_MEMORY_REGION(r7, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r8, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000de9000)=[@text32={0x20, &(0x7f0000f59fc6)="0fc75fedc4c3c968fb6c0f9cfbb9040100c00f3266b842008ee80f230064672ec015dec4e245bea5d41e6082f9440f20c03506000000440f22c0", 0x3a}], 0x0, 0x0, &(0x7f0000000180), 0x0) ioctl$KVM_RUN(r8, 0xae80, 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x0) 2018/04/09 20:35:52 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x20e77fff}, 0x1c) 2018/04/09 20:35:52 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x80005, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:52 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) fdatasync(r3) 2018/04/09 20:35:52 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:52 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x84ffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:52 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 362.141872] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 362.176878] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:52 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x8000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:52 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xff7fe72000000000}, 0x1c) 2018/04/09 20:35:53 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, [0x7fff, 0x2, 0x3, 0x0, 0x5, 0x5, 0x6, 0x10001, 0x9, 0x200, 0x4, 0x3304, 0x6, 0x8, 0x3]}, &(0x7f0000000580)=0x100) fdatasync(r3) [ 362.407639] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:53 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x600000000000000}, 0x1c) 2018/04/09 20:35:53 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x5, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:53 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:53 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfc00000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:53 executing program 4: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:53 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) fdatasync(r3) [ 362.497845] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:53 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2f, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 362.538416] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 362.538869] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:53 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x400000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:53 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:53 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfec0000000000000}, 0x1c) 2018/04/09 20:35:53 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:53 executing program 4: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fdatasync(r3) 2018/04/09 20:35:53 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) r4 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) fdatasync(r3) 2018/04/09 20:35:53 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1000000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 362.721138] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:53 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 362.834072] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 362.875496] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:53 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x80fe}, 0x1c) 2018/04/09 20:35:53 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x700, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:53 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:53 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x13, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:53 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) fdatasync(r3) 2018/04/09 20:35:53 executing program 4 (fault-call:2 fault-nth:0): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) [ 363.008355] FAULT_INJECTION: forcing a failure. [ 363.008355] name failslab, interval 1, probability 0, space 0, times 0 [ 363.020000] CPU: 1 PID: 26063 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 363.026948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.036311] Call Trace: [ 363.038919] dump_stack+0x1b9/0x294 [ 363.042568] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.047778] ? page_add_new_anon_rmap+0x850/0x850 [ 363.052652] should_fail.cold.4+0xa/0x1a 2018/04/09 20:35:53 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffffffffffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:53 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 363.056729] ? print_usage_bug+0xc0/0xc0 [ 363.060813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.065929] ? __lock_acquire+0x7f5/0x5130 [ 363.070176] ? zap_class+0x720/0x720 [ 363.073901] ? graph_lock+0x170/0x170 [ 363.077752] ? find_held_lock+0x36/0x1c0 [ 363.081838] ? __lock_is_held+0xb5/0x140 [ 363.085925] ? check_same_owner+0x320/0x320 [ 363.090258] ? rcu_note_context_switch+0x710/0x710 [ 363.095204] __should_failslab+0x124/0x180 [ 363.099455] should_failslab+0x9/0x14 [ 363.103265] kmem_cache_alloc_trace+0x2cb/0x780 2018/04/09 20:35:53 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x1802000000000000}, 0x1c) [ 363.104661] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 363.107941] ? graph_lock+0x170/0x170 [ 363.107980] ? print_usage_bug+0xc0/0xc0 [ 363.108004] snd_pcm_oss_change_params_locked+0x1f9/0x3ce0 [ 363.108026] ? find_held_lock+0x36/0x1c0 [ 363.108056] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 363.140026] ? lock_downgrade+0x8e0/0x8e0 [ 363.144191] ? debug_check_no_locks_freed+0x310/0x310 [ 363.149398] ? graph_lock+0x170/0x170 [ 363.153221] ? debug_check_no_locks_freed+0x310/0x310 [ 363.158422] ? print_usage_bug+0xc0/0xc0 [ 363.162499] ? kasan_check_write+0x14/0x20 [ 363.166751] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 363.171695] ? wait_for_completion+0x870/0x870 [ 363.176290] ? lock_downgrade+0x8e0/0x8e0 [ 363.180468] snd_pcm_oss_change_params+0x80/0xe0 [ 363.185245] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 363.191493] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 363.195912] ? _parse_integer+0x190/0x190 [ 363.200077] ? snd_pcm_oss_release+0x290/0x290 [ 363.204685] ? graph_lock+0x170/0x170 [ 363.208497] ? find_held_lock+0x36/0x1c0 [ 363.212580] ? lock_downgrade+0x8e0/0x8e0 [ 363.216741] ? rcu_is_watching+0x85/0x140 [ 363.220906] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 363.226115] ? __fget+0x40c/0x650 [ 363.229576] ? match_held_lock+0x881/0x8b0 [ 363.233998] ? expand_files.part.8+0x9a0/0x9a0 [ 363.238601] ? kasan_check_write+0x14/0x20 [ 363.242855] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 363.247799] ? wait_for_completion+0x870/0x870 [ 363.252394] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 363.257594] ? snd_pcm_oss_release+0x290/0x290 [ 363.262195] do_vfs_ioctl+0x1cf/0x1650 [ 363.266111] ? ioctl_preallocate+0x2e0/0x2e0 [ 363.270465] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 363.270531] ? fget_raw+0x20/0x20 [ 363.282548] ? __sb_end_write+0xac/0xe0 [ 363.286541] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.292086] ? fput+0x130/0x1a0 [ 363.295380] ? ksys_write+0x1a6/0x250 [ 363.299195] ? security_file_ioctl+0x94/0xc0 [ 363.303622] ksys_ioctl+0xa9/0xd0 [ 363.307096] SyS_ioctl+0x24/0x30 [ 363.310481] ? ksys_ioctl+0xd0/0xd0 [ 363.314117] do_syscall_64+0x29e/0x9d0 [ 363.318017] ? vmalloc_sync_all+0x30/0x30 [ 363.322186] ? _raw_spin_unlock_irq+0x27/0x70 [ 363.326700] ? finish_task_switch+0x1ca/0x820 [ 363.331210] ? syscall_return_slowpath+0x5c0/0x5c0 [ 363.336151] ? syscall_return_slowpath+0x30f/0x5c0 [ 363.341106] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 363.346488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.351351] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 363.356546] RIP: 0033:0x455259 [ 363.359736] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 363.367457] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 363.374733] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 363.382013] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 363.389293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 363.396575] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000000 2018/04/09 20:35:54 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:54 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:54 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x900000000000000}, 0x1c) 2018/04/09 20:35:54 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:54 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x9000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:54 executing program 4 (fault-call:2 fault-nth:1): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:54 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x87ffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 363.518012] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 363.542596] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 363.560572] FAULT_INJECTION: forcing a failure. [ 363.560572] name failslab, interval 1, probability 0, space 0, times 0 [ 363.571971] CPU: 0 PID: 26113 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 363.578917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.588286] Call Trace: [ 363.590898] dump_stack+0x1b9/0x294 [ 363.594555] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.599787] should_fail.cold.4+0xa/0x1a [ 363.603883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.609015] ? save_stack+0x43/0xd0 [ 363.612668] ? kmem_cache_alloc_trace+0x152/0x780 [ 363.617533] ? snd_pcm_oss_change_params_locked+0x1f9/0x3ce0 [ 363.623349] ? snd_pcm_oss_change_params+0x80/0xe0 [ 363.628301] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 363.634734] ? graph_lock+0x170/0x170 [ 363.638556] ? do_syscall_64+0x29e/0x9d0 [ 363.642643] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 363.648043] ? find_held_lock+0x36/0x1c0 [ 363.652148] ? __lock_is_held+0xb5/0x140 [ 363.656252] ? check_same_owner+0x320/0x320 [ 363.660604] ? rcu_note_context_switch+0x710/0x710 [ 363.665570] __should_failslab+0x124/0x180 [ 363.669830] should_failslab+0x9/0x14 [ 363.673651] kmem_cache_alloc_trace+0x2cb/0x780 [ 363.678342] ? graph_lock+0x170/0x170 [ 363.682179] snd_pcm_oss_change_params_locked+0x231/0x3ce0 [ 363.687824] ? perf_trace_lock+0x495/0x900 [ 363.692084] ? find_held_lock+0x36/0x1c0 [ 363.696181] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 363.702088] ? lock_downgrade+0x8e0/0x8e0 [ 363.706265] ? graph_lock+0x170/0x170 [ 363.710103] ? perf_trace_run_bpf_submit+0x246/0x370 [ 363.715261] ? kasan_check_write+0x14/0x20 [ 363.719523] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 363.724491] ? wait_for_completion+0x870/0x870 [ 363.729104] ? lock_downgrade+0x8e0/0x8e0 [ 363.733364] ? perf_trace_run_bpf_submit+0x246/0x370 [ 363.738498] snd_pcm_oss_change_params+0x80/0xe0 [ 363.743274] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 363.749529] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 363.753955] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 363.759087] ? snd_pcm_oss_release+0x290/0x290 [ 363.763708] ? graph_lock+0x170/0x170 [ 363.767531] ? find_held_lock+0x36/0x1c0 [ 363.771644] ? lock_downgrade+0x8e0/0x8e0 [ 363.775823] ? rcu_is_watching+0x85/0x140 [ 363.779995] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 363.785215] ? __fget+0x40c/0x650 [ 363.788707] ? match_held_lock+0x881/0x8b0 [ 363.792967] ? expand_files.part.8+0x9a0/0x9a0 [ 363.797570] ? kasan_check_write+0x14/0x20 [ 363.798926] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 363.801812] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 363.801838] ? wait_for_completion+0x870/0x870 [ 363.801860] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 363.801878] ? snd_pcm_oss_release+0x290/0x290 [ 363.801898] do_vfs_ioctl+0x1cf/0x1650 [ 363.833623] ? ioctl_preallocate+0x2e0/0x2e0 [ 363.838048] ? fget_raw+0x20/0x20 [ 363.841521] ? __sb_end_write+0xac/0xe0 [ 363.845522] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.851076] ? fput+0x130/0x1a0 [ 363.854385] ? ksys_write+0x1a6/0x250 [ 363.858206] ? security_file_ioctl+0x94/0xc0 [ 363.862633] ksys_ioctl+0xa9/0xd0 [ 363.866119] SyS_ioctl+0x24/0x30 [ 363.869501] ? ksys_ioctl+0xd0/0xd0 [ 363.873137] do_syscall_64+0x29e/0x9d0 [ 363.877033] ? vmalloc_sync_all+0x30/0x30 [ 363.881196] ? _raw_spin_unlock_irq+0x27/0x70 [ 363.885703] ? finish_task_switch+0x1ca/0x820 [ 363.890221] ? syscall_return_slowpath+0x5c0/0x5c0 [ 363.895174] ? syscall_return_slowpath+0x30f/0x5c0 [ 363.900138] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 363.905534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.910416] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 363.915615] RIP: 0033:0x455259 2018/04/09 20:35:54 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf401, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:54 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3a00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = getpgrp(0x0) kcmp(0x0, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:54 executing program 1: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:54 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:54 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc0], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 7: r0 = inotify_init1(0x0) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:54 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) fdatasync(0xffffffffffffffff) [ 363.918809] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 363.926538] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 363.933827] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 363.941126] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 363.948419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 363.955707] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000001 2018/04/09 20:35:54 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:54 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xf401, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xf5ffffff}, 0x1c) 2018/04/09 20:35:54 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x1f4, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:54 executing program 4 (fault-call:2 fault-nth:2): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:54 executing program 7: fcntl$setown(0xffffffffffffffff, 0x8, 0xffffffffffffffff) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = getpgrp(0x0) kcmp(r0, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:54 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:54 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 364.123985] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:54 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) socket(0x1d, 0xb, 0x0) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:54 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x11, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:54 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x700}, 0x1c) 2018/04/09 20:35:54 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(0xffffffffffffffff, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:54 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x4000000000000000, @loopback={0x0, 0x1}}, 0x1c) [ 364.277896] FAULT_INJECTION: forcing a failure. [ 364.277896] name failslab, interval 1, probability 0, space 0, times 0 [ 364.289335] CPU: 0 PID: 26172 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 364.296284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.305655] Call Trace: [ 364.308269] dump_stack+0x1b9/0x294 [ 364.308680] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 364.311919] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.311959] should_fail.cold.4+0xa/0x1a [ 364.311982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.334923] ? save_stack+0x43/0xd0 [ 364.338573] ? kmem_cache_alloc_trace+0x152/0x780 [ 364.343434] ? snd_pcm_oss_change_params_locked+0x231/0x3ce0 [ 364.349250] ? snd_pcm_oss_change_params+0x80/0xe0 [ 364.354203] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 364.357252] print_req_error: I/O error, dev loop0, sector 0 [ 364.360629] ? graph_lock+0x170/0x170 [ 364.370125] ? do_syscall_64+0x29e/0x9d0 [ 364.374207] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 364.379599] ? find_held_lock+0x36/0x1c0 [ 364.383699] ? __lock_is_held+0xb5/0x140 [ 364.387806] ? check_same_owner+0x320/0x320 [ 364.392153] ? rcu_note_context_switch+0x710/0x710 [ 364.397112] __should_failslab+0x124/0x180 [ 364.401368] should_failslab+0x9/0x14 [ 364.405183] kmem_cache_alloc_trace+0x2cb/0x780 [ 364.409874] ? graph_lock+0x170/0x170 [ 364.413711] snd_pcm_oss_change_params_locked+0x269/0x3ce0 [ 364.419353] ? perf_trace_lock+0x495/0x900 [ 364.423610] ? find_held_lock+0x36/0x1c0 [ 364.427701] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 364.433607] ? lock_downgrade+0x8e0/0x8e0 [ 364.437777] ? graph_lock+0x170/0x170 [ 364.441614] ? perf_trace_run_bpf_submit+0x246/0x370 [ 364.446751] ? kasan_check_write+0x14/0x20 [ 364.451002] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 364.455956] ? wait_for_completion+0x870/0x870 [ 364.460554] ? lock_downgrade+0x8e0/0x8e0 [ 364.464723] ? perf_trace_run_bpf_submit+0x246/0x370 [ 364.469868] snd_pcm_oss_change_params+0x80/0xe0 [ 364.474644] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 364.480902] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 364.485327] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 364.488151] print_req_error: I/O error, dev loop0, sector 0 [ 364.490447] ? snd_pcm_oss_release+0x290/0x290 [ 364.500747] ? graph_lock+0x170/0x170 [ 364.504565] ? find_held_lock+0x36/0x1c0 [ 364.508661] ? lock_downgrade+0x8e0/0x8e0 [ 364.513562] ? rcu_is_watching+0x85/0x140 [ 364.517733] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 364.522955] ? __fget+0x40c/0x650 2018/04/09 20:35:54 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x0, 0x101000) fdatasync(r0) 2018/04/09 20:35:55 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x300000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:55 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x0, 0x101000) fdatasync(r0) [ 364.526430] ? match_held_lock+0x881/0x8b0 [ 364.530686] ? expand_files.part.8+0x9a0/0x9a0 [ 364.535284] ? kasan_check_write+0x14/0x20 [ 364.539533] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 364.544485] ? wait_for_completion+0x870/0x870 [ 364.549084] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 364.554290] ? snd_pcm_oss_release+0x290/0x290 [ 364.558897] do_vfs_ioctl+0x1cf/0x1650 [ 364.562813] ? ioctl_preallocate+0x2e0/0x2e0 [ 364.567241] ? fget_raw+0x20/0x20 [ 364.570710] ? __sb_end_write+0xac/0xe0 [ 364.574704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.580257] ? fput+0x130/0x1a0 [ 364.583560] ? ksys_write+0x1a6/0x250 [ 364.587385] ? security_file_ioctl+0x94/0xc0 [ 364.591818] ksys_ioctl+0xa9/0xd0 [ 364.595295] SyS_ioctl+0x24/0x30 [ 364.598674] ? ksys_ioctl+0xd0/0xd0 [ 364.602320] do_syscall_64+0x29e/0x9d0 [ 364.606221] ? vmalloc_sync_all+0x30/0x30 [ 364.610381] ? _raw_spin_unlock_irq+0x27/0x70 [ 364.614896] ? finish_task_switch+0x1ca/0x820 [ 364.619419] ? syscall_return_slowpath+0x5c0/0x5c0 [ 364.624366] ? syscall_return_slowpath+0x30f/0x5c0 [ 364.629326] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 364.634722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.639597] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 364.644798] RIP: 0033:0x455259 [ 364.647999] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 364.655732] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 364.662995] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 364.670265] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 364.677521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 364.684778] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000002 2018/04/09 20:35:55 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe00000000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:55 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:55 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xf4010000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:55 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:55 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:55 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x0, 0x101000) fdatasync(r0) 2018/04/09 20:35:55 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xfc00}, 0x1c) 2018/04/09 20:35:55 executing program 4 (fault-call:2 fault-nth:3): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) [ 364.776092] print_req_error: I/O error, dev loop0, sector 0 [ 364.779751] FAULT_INJECTION: forcing a failure. [ 364.779751] name failslab, interval 1, probability 0, space 0, times 0 [ 364.793434] CPU: 0 PID: 26200 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 364.796120] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 364.800379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.800389] Call Trace: [ 364.800418] dump_stack+0x1b9/0x294 2018/04/09 20:35:55 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x11, 0x0, 0x0, 'ip6gretap0\x00', 'syz_tun\x00', 'ip6tnl0\x00', 'syz_tun\x00', @link_local={0x1, 0x80, 0xc2}, [0x0, 0x1000, 0x0, 0x0, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], 0x70, 0x108, 0x158}, [@common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x10000, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0xd, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x130, 0x1b0, 0x200, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}}}}, @limit={'limit\x00', 0x20, {{0x0, 0xec}}}]}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x81, 'syz1\x00'}}}, @common=@NFQUEUE0={'NFQUEUE\x00', 0x8}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x460) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r3) 2018/04/09 20:35:55 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xffffffff00000000, @loopback={0x0, 0x1}}, 0x1c) [ 364.800442] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.800475] should_fail.cold.4+0xa/0x1a [ 364.833851] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 364.838987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.844121] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 364.849254] ? graph_lock+0x170/0x170 [ 364.853086] ? perf_tp_event+0xc30/0xc30 [ 364.857177] ? find_held_lock+0x36/0x1c0 [ 364.861269] ? __lock_is_held+0xb5/0x140 [ 364.865370] ? check_same_owner+0x320/0x320 [ 364.869732] ? rcu_note_context_switch+0x710/0x710 [ 364.874688] ? graph_lock+0x170/0x170 [ 364.878511] __should_failslab+0x124/0x180 [ 364.882772] should_failslab+0x9/0x14 [ 364.886596] __kmalloc+0x2c8/0x760 [ 364.890163] ? constrain_params_by_rules+0x141/0x1360 [ 364.895369] ? find_held_lock+0x36/0x1c0 [ 364.896211] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 364.899451] constrain_params_by_rules+0x141/0x1360 [ 364.899479] ? lock_downgrade+0x8e0/0x8e0 [ 364.899510] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 364.899524] ? rcu_is_watching+0x85/0x140 2018/04/09 20:35:55 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) socket$inet(0x2, 0x6, 0x0) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r2) [ 364.899543] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 364.931784] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 364.937018] ? is_bpf_text_address+0xd7/0x170 [ 364.941536] ? kernel_text_address+0x79/0xf0 [ 364.945960] ? __unwind_start+0x166/0x330 [ 364.950125] ? graph_lock+0x170/0x170 [ 364.953945] ? unwind_get_return_address+0x61/0xa0 [ 364.958908] ? __save_stack_trace+0x7e/0xd0 [ 364.963275] ? __lock_is_held+0xb5/0x140 [ 364.967367] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 364.972402] ? snd_interval_refine+0x428/0x700 2018/04/09 20:35:55 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x3000000, @loopback={0x0, 0x1}}, 0x1c) [ 364.977018] snd_pcm_hw_refine+0x8e9/0x1180 [ 364.981377] ? constrain_params_by_rules+0x1360/0x1360 [ 364.986675] ? graph_lock+0x170/0x170 [ 364.990487] ? __lock_is_held+0xb5/0x140 [ 364.994596] ? __lock_is_held+0xb5/0x140 [ 364.998695] ? snd_pcm_oss_change_params_locked+0x269/0x3ce0 [ 365.001211] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 365.004506] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.004535] ? _snd_pcm_hw_param_min+0x330/0x570 2018/04/09 20:35:55 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000240)={r1, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r2) [ 365.004564] snd_pcm_oss_change_params_locked+0x901/0x3ce0 [ 365.004592] ? find_held_lock+0x36/0x1c0 [ 365.004620] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 365.038507] ? lock_downgrade+0x8e0/0x8e0 [ 365.042681] ? graph_lock+0x170/0x170 [ 365.046519] ? perf_trace_run_bpf_submit+0x246/0x370 [ 365.051664] ? kasan_check_write+0x14/0x20 [ 365.055924] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 365.060886] ? wait_for_completion+0x870/0x870 [ 365.065495] ? lock_downgrade+0x8e0/0x8e0 [ 365.069687] snd_pcm_oss_change_params+0x80/0xe0 2018/04/09 20:35:55 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf00000000000000, @loopback={0x0, 0x1}}, 0x1c) [ 365.074464] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 365.080729] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 365.085161] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 365.090304] ? snd_pcm_oss_release+0x290/0x290 [ 365.094927] ? graph_lock+0x170/0x170 [ 365.098747] ? find_held_lock+0x36/0x1c0 [ 365.102842] ? lock_downgrade+0x8e0/0x8e0 [ 365.107030] ? rcu_is_watching+0x85/0x140 [ 365.110680] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 365.111193] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 365.111231] ? __fget+0x40c/0x650 [ 365.111255] ? match_held_lock+0x881/0x8b0 [ 365.111275] ? expand_files.part.8+0x9a0/0x9a0 [ 365.137334] ? kasan_check_write+0x14/0x20 [ 365.141589] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 365.146549] ? wait_for_completion+0x870/0x870 [ 365.151148] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 365.156356] ? snd_pcm_oss_release+0x290/0x290 [ 365.160960] do_vfs_ioctl+0x1cf/0x1650 [ 365.164883] ? ioctl_preallocate+0x2e0/0x2e0 [ 365.169304] ? fget_raw+0x20/0x20 [ 365.172780] ? __sb_end_write+0xac/0xe0 [ 365.176780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.182328] ? fput+0x130/0x1a0 [ 365.185629] ? ksys_write+0x1a6/0x250 [ 365.189451] ? security_file_ioctl+0x94/0xc0 [ 365.193883] ksys_ioctl+0xa9/0xd0 [ 365.197357] SyS_ioctl+0x24/0x30 [ 365.200734] ? ksys_ioctl+0xd0/0xd0 [ 365.204380] do_syscall_64+0x29e/0x9d0 [ 365.208281] ? vmalloc_sync_all+0x30/0x30 [ 365.212458] ? _raw_spin_unlock_irq+0x27/0x70 [ 365.216969] ? finish_task_switch+0x1ca/0x820 [ 365.221486] ? syscall_return_slowpath+0x5c0/0x5c0 [ 365.226436] ? syscall_return_slowpath+0x30f/0x5c0 [ 365.231396] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 365.236858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.241737] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 365.246941] RIP: 0033:0x455259 [ 365.250142] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 365.257872] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 365.265158] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 365.272449] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 365.279742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 365.287028] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000003 2018/04/09 20:35:56 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:56 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x5000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:56 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x700, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 4 (fault-call:2 fault-nth:4): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:56 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x0, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:56 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:35:56 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xe}, 0x1c) [ 365.413616] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 365.429635] FAULT_INJECTION: forcing a failure. [ 365.429635] name failslab, interval 1, probability 0, space 0, times 0 [ 365.441066] CPU: 0 PID: 26257 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 365.448016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.457407] Call Trace: [ 365.460024] dump_stack+0x1b9/0x294 [ 365.463680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.468917] should_fail.cold.4+0xa/0x1a [ 365.473025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.478165] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 365.483219] ? snd_interval_refine+0x428/0x700 [ 365.487831] ? graph_lock+0x170/0x170 [ 365.491666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.497235] ? snd_pcm_hw_refine+0x362/0x1180 [ 365.501763] ? find_held_lock+0x36/0x1c0 [ 365.505862] ? __lock_is_held+0xb5/0x140 [ 365.509981] ? check_same_owner+0x320/0x320 [ 365.514337] ? rcu_note_context_switch+0x710/0x710 [ 365.519307] __should_failslab+0x124/0x180 [ 365.523572] should_failslab+0x9/0x14 [ 365.527396] kmem_cache_alloc_trace+0x2cb/0x780 [ 365.532105] ? _snd_pcm_hw_param_min+0x330/0x570 [ 365.536898] snd_pcm_oss_change_params_locked+0x99b/0x3ce0 [ 365.542555] ? find_held_lock+0x36/0x1c0 [ 365.546656] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 365.552565] ? lock_downgrade+0x8e0/0x8e0 [ 365.556744] ? graph_lock+0x170/0x170 2018/04/09 20:35:56 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x0, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:56 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x38010000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfec0, @loopback={0x0, 0x1}}, 0x1c) [ 365.560579] ? perf_trace_run_bpf_submit+0x246/0x370 [ 365.565722] ? kasan_check_write+0x14/0x20 [ 365.569991] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 365.574950] ? wait_for_completion+0x870/0x870 [ 365.579563] ? lock_downgrade+0x8e0/0x8e0 [ 365.583769] snd_pcm_oss_change_params+0x80/0xe0 [ 365.588553] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 365.594817] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 365.599238] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 365.604371] ? snd_pcm_oss_release+0x290/0x290 [ 365.608990] ? graph_lock+0x170/0x170 [ 365.612815] ? find_held_lock+0x36/0x1c0 [ 365.616914] ? lock_downgrade+0x8e0/0x8e0 [ 365.621088] ? rcu_is_watching+0x85/0x140 [ 365.625255] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 365.630479] ? __fget+0x40c/0x650 [ 365.633962] ? match_held_lock+0x881/0x8b0 [ 365.638220] ? expand_files.part.8+0x9a0/0x9a0 [ 365.642823] ? kasan_check_write+0x14/0x20 [ 365.647082] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 365.652044] ? wait_for_completion+0x870/0x870 [ 365.656648] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 365.661858] ? snd_pcm_oss_release+0x290/0x290 [ 365.666457] do_vfs_ioctl+0x1cf/0x1650 [ 365.670368] ? ioctl_preallocate+0x2e0/0x2e0 [ 365.674794] ? fget_raw+0x20/0x20 [ 365.678270] ? __sb_end_write+0xac/0xe0 [ 365.682269] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.687827] ? fput+0x130/0x1a0 [ 365.691129] ? ksys_write+0x1a6/0x250 [ 365.694963] ? security_file_ioctl+0x94/0xc0 [ 365.699404] ksys_ioctl+0xa9/0xd0 [ 365.702887] SyS_ioctl+0x24/0x30 [ 365.706271] ? ksys_ioctl+0xd0/0xd0 [ 365.709918] do_syscall_64+0x29e/0x9d0 2018/04/09 20:35:56 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:56 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xff000000, @loopback={0x0, 0x1}}, 0x1c) [ 365.713828] ? vmalloc_sync_all+0x30/0x30 [ 365.717989] ? _raw_spin_unlock_irq+0x27/0x70 [ 365.722497] ? finish_task_switch+0x1ca/0x820 [ 365.727022] ? syscall_return_slowpath+0x5c0/0x5c0 [ 365.731978] ? syscall_return_slowpath+0x30f/0x5c0 [ 365.736935] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 365.742337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.747213] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 365.748105] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 365.752411] RIP: 0033:0x455259 2018/04/09 20:35:56 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xe000000, @loopback={0x0, 0x1}}, 0x1c) [ 365.752423] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 365.752444] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 365.752455] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 365.752466] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 365.752478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 365.752489] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000004 2018/04/09 20:35:56 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xf5ffffff00000000}, 0x1c) 2018/04/09 20:35:56 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) [ 365.759206] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:56 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x4020000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 4 (fault-call:2 fault-nth:5): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:56 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x0, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:56 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:56 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2900, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:56 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 365.960760] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 366.050715] FAULT_INJECTION: forcing a failure. [ 366.050715] name failslab, interval 1, probability 0, space 0, times 0 [ 366.062065] CPU: 1 PID: 26312 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 366.068998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.078364] Call Trace: [ 366.080979] dump_stack+0x1b9/0x294 [ 366.084634] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.089861] should_fail.cold.4+0xa/0x1a [ 366.093955] ? __save_stack_trace+0x7e/0xd0 [ 366.098296] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.103425] ? debug_check_no_locks_freed+0x310/0x310 [ 366.108630] ? graph_lock+0x170/0x170 [ 366.112448] ? save_stack+0x43/0xd0 [ 366.116081] ? __kasan_slab_free+0x11a/0x170 [ 366.120499] ? kasan_slab_free+0xe/0x10 [ 366.124485] ? find_held_lock+0x36/0x1c0 [ 366.128560] ? __lock_is_held+0xb5/0x140 [ 366.132655] ? check_same_owner+0x320/0x320 [ 366.136991] ? debug_check_no_obj_freed+0x2ff/0x584 [ 366.142026] ? rcu_note_context_switch+0x710/0x710 [ 366.146979] ? graph_lock+0x170/0x170 [ 366.150806] __should_failslab+0x124/0x180 [ 366.155063] should_failslab+0x9/0x14 [ 366.158871] __kmalloc+0x2c8/0x760 [ 366.162438] ? constrain_params_by_rules+0x141/0x1360 [ 366.167640] ? find_held_lock+0x36/0x1c0 [ 366.171721] constrain_params_by_rules+0x141/0x1360 [ 366.176756] ? lock_downgrade+0x8e0/0x8e0 [ 366.180925] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 366.186123] ? rcu_is_watching+0x85/0x140 [ 366.190287] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 366.195494] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 366.200703] ? is_bpf_text_address+0xd7/0x170 [ 366.205216] ? kernel_text_address+0x79/0xf0 [ 366.209635] ? __unwind_start+0x166/0x330 [ 366.213800] ? __kernel_text_address+0xd/0x40 [ 366.218308] ? unwind_get_return_address+0x61/0xa0 [ 366.223248] ? __save_stack_trace+0x7e/0xd0 [ 366.227584] ? save_stack+0xa9/0xd0 [ 366.231220] ? save_stack+0x43/0xd0 [ 366.234858] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.240404] ? snd_interval_refine+0x428/0x700 [ 366.245012] snd_pcm_hw_refine+0x8e9/0x1180 [ 366.249353] ? constrain_params_by_rules+0x1360/0x1360 [ 366.254641] ? graph_lock+0x170/0x170 [ 366.258450] ? __lock_is_held+0xb5/0x140 [ 366.262537] ? __lock_is_held+0xb5/0x140 [ 366.266614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.272157] ? snd_interval_refine+0x428/0x700 [ 366.276755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.282300] ? _snd_pcm_hw_param_set.constprop.34+0x259/0x610 [ 366.288178] ? rcu_read_lock_sched_held+0x108/0x120 [ 366.293180] ? snd_pcm_hw_param_max+0x730/0x730 [ 366.297834] ? _snd_pcm_hw_param_min+0x330/0x570 [ 366.302579] snd_pcm_oss_change_params_locked+0x2883/0x3ce0 [ 366.308285] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 366.314174] ? lock_downgrade+0x8e0/0x8e0 [ 366.318308] ? debug_check_no_locks_freed+0x310/0x310 [ 366.323481] ? graph_lock+0x170/0x170 [ 366.327281] ? debug_check_no_locks_freed+0x310/0x310 [ 366.332462] ? kasan_check_write+0x14/0x20 [ 366.336684] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 366.341598] ? wait_for_completion+0x870/0x870 [ 366.346783] ? lock_downgrade+0x8e0/0x8e0 [ 366.350928] snd_pcm_oss_change_params+0x80/0xe0 [ 366.355672] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 366.361893] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 366.366292] ? _parse_integer+0x190/0x190 [ 366.370430] ? snd_pcm_oss_release+0x290/0x290 [ 366.375002] ? graph_lock+0x170/0x170 [ 366.378794] ? find_held_lock+0x36/0x1c0 [ 366.382847] ? lock_downgrade+0x8e0/0x8e0 [ 366.386983] ? rcu_is_watching+0x85/0x140 [ 366.391121] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 366.396305] ? __fget+0x40c/0x650 [ 366.399756] ? match_held_lock+0x881/0x8b0 [ 366.403987] ? expand_files.part.8+0x9a0/0x9a0 [ 366.408569] ? kasan_check_write+0x14/0x20 [ 366.412796] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 366.417712] ? wait_for_completion+0x870/0x870 [ 366.422285] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 366.427460] ? snd_pcm_oss_release+0x290/0x290 [ 366.432116] do_vfs_ioctl+0x1cf/0x1650 [ 366.435990] ? ioctl_preallocate+0x2e0/0x2e0 [ 366.440388] ? fget_raw+0x20/0x20 [ 366.443830] ? __sb_end_write+0xac/0xe0 [ 366.447794] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.453318] ? fput+0x130/0x1a0 [ 366.456584] ? ksys_write+0x1a6/0x250 [ 366.460372] ? security_file_ioctl+0x94/0xc0 [ 366.464810] ksys_ioctl+0xa9/0xd0 [ 366.468249] SyS_ioctl+0x24/0x30 [ 366.471599] ? ksys_ioctl+0xd0/0xd0 [ 366.475215] do_syscall_64+0x29e/0x9d0 [ 366.479089] ? vmalloc_sync_all+0x30/0x30 [ 366.483225] ? finish_task_switch+0x1ca/0x820 [ 366.487706] ? syscall_return_slowpath+0x5c0/0x5c0 [ 366.492644] ? syscall_return_slowpath+0x30f/0x5c0 [ 366.497649] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 366.503009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.507865] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 366.513051] RIP: 0033:0x455259 [ 366.516235] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 366.523950] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 366.531209] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 366.538467] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 366.545725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 2018/04/09 20:35:57 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xffff1f00, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:57 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3c, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:57 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:57 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet(0x2, 0x6, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:57 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:57 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0x4000000}, 0x1c) 2018/04/09 20:35:57 executing program 4 (fault-call:2 fault-nth:6): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:57 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 366.552983] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000005 2018/04/09 20:35:57 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:57 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 366.609318] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 366.682745] FAULT_INJECTION: forcing a failure. [ 366.682745] name failslab, interval 1, probability 0, space 0, times 0 [ 366.694117] CPU: 1 PID: 26340 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 366.701058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.710424] Call Trace: [ 366.713035] dump_stack+0x1b9/0x294 [ 366.716703] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.721914] ? lock_downgrade+0x8e0/0x8e0 [ 366.726084] should_fail.cold.4+0xa/0x1a [ 366.730163] ? rcu_is_watching+0x85/0x140 [ 366.734336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.739475] ? graph_lock+0x170/0x170 [ 366.743298] ? is_bpf_text_address+0xd7/0x170 [ 366.747818] ? kernel_text_address+0x79/0xf0 [ 366.752243] ? __unwind_start+0x166/0x330 [ 366.756417] ? find_held_lock+0x36/0x1c0 [ 366.760509] ? __lock_is_held+0xb5/0x140 [ 366.761430] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 366.764594] ? check_same_owner+0x320/0x320 [ 366.764612] ? snd_pcm_oss_change_params+0x80/0xe0 [ 366.764631] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 366.764646] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 366.764659] ? rcu_note_context_switch+0x710/0x710 [ 366.764679] ? do_syscall_64+0x29e/0x9d0 [ 366.802459] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 366.807845] __should_failslab+0x124/0x180 [ 366.812102] should_failslab+0x9/0x14 [ 366.815924] kmem_cache_alloc_trace+0x2cb/0x780 [ 366.820612] ? do_raw_spin_lock+0xc1/0x200 [ 366.824866] ? trace_hardirqs_off+0xd/0x10 [ 366.829118] snd_pcm_hw_param_near.constprop.35+0x15c/0xb10 [ 366.834844] ? _snd_pcm_hw_param_min+0x570/0x570 [ 366.839611] ? mark_held_locks+0xc9/0x160 [ 366.843776] ? kfree+0x111/0x260 [ 366.847168] ? snd_pcm_oss_change_params_locked+0x2c1e/0x3ce0 [ 366.853064] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 366.858088] ? trace_hardirqs_on+0xd/0x10 [ 366.862245] snd_pcm_oss_change_params_locked+0xc4d/0x3ce0 [ 366.867902] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 366.873798] ? lock_downgrade+0x8e0/0x8e0 [ 366.877952] ? debug_check_no_locks_freed+0x310/0x310 [ 366.883155] ? graph_lock+0x170/0x170 [ 366.886978] ? debug_check_no_locks_freed+0x310/0x310 [ 366.892172] ? print_usage_bug+0xc0/0xc0 [ 366.896248] ? kasan_check_write+0x14/0x20 [ 366.900498] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 366.905442] ? wait_for_completion+0x870/0x870 [ 366.910034] ? lock_downgrade+0x8e0/0x8e0 [ 366.914201] snd_pcm_oss_change_params+0x80/0xe0 [ 366.917153] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 366.918964] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 366.918984] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 366.919003] ? _parse_integer+0x190/0x190 [ 366.919021] ? snd_pcm_oss_release+0x290/0x290 [ 366.919051] ? graph_lock+0x170/0x170 [ 366.950736] ? find_held_lock+0x36/0x1c0 [ 366.954825] ? lock_downgrade+0x8e0/0x8e0 [ 366.958988] ? rcu_is_watching+0x85/0x140 [ 366.963145] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 366.968354] ? __fget+0x40c/0x650 [ 366.971824] ? match_held_lock+0x881/0x8b0 [ 366.976075] ? expand_files.part.8+0x9a0/0x9a0 [ 366.980693] ? kasan_check_write+0x14/0x20 [ 366.984964] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 366.989911] ? wait_for_completion+0x870/0x870 [ 366.994499] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 366.999696] ? snd_pcm_oss_release+0x290/0x290 [ 367.004295] do_vfs_ioctl+0x1cf/0x1650 [ 367.008205] ? ioctl_preallocate+0x2e0/0x2e0 [ 367.012624] ? fget_raw+0x20/0x20 [ 367.016090] ? __sb_end_write+0xac/0xe0 [ 367.020082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.025624] ? fput+0x130/0x1a0 [ 367.028916] ? ksys_write+0x1a6/0x250 [ 367.032728] ? security_file_ioctl+0x94/0xc0 [ 367.036391] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 367.037145] ksys_ioctl+0xa9/0xd0 [ 367.037165] SyS_ioctl+0x24/0x30 [ 367.037179] ? ksys_ioctl+0xd0/0xd0 [ 367.037196] do_syscall_64+0x29e/0x9d0 [ 367.037213] ? vmalloc_sync_all+0x30/0x30 [ 367.064213] ? _raw_spin_unlock_irq+0x27/0x70 [ 367.068725] ? finish_task_switch+0x1ca/0x820 [ 367.073230] ? syscall_return_slowpath+0x5c0/0x5c0 [ 367.078176] ? syscall_return_slowpath+0x30f/0x5c0 [ 367.083123] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 367.088507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.093374] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 367.098568] RIP: 0033:0x455259 [ 367.101761] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 367.109479] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 367.116758] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 367.124035] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 20:35:57 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:57 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xfffffff5, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:57 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfffffff5, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:57 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:57 executing program 0: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:57 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x64de7b3f, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:57 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:57 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x101000) fdatasync(r0) 2018/04/09 20:35:57 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xa, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:57 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x0, 0x101000) fdatasync(r0) 2018/04/09 20:35:57 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 367.131315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 367.134682] print_req_error: I/O error, dev loop0, sector 0 [ 367.138596] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000006 2018/04/09 20:35:57 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x17) 2018/04/09 20:35:58 executing program 4 (fault-call:2 fault-nth:7): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:58 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x0, 0x101000) fdatasync(r0) 2018/04/09 20:35:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xfc, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:58 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:58 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x208d5000) 2018/04/09 20:35:58 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x88ffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 367.380808] FAULT_INJECTION: forcing a failure. [ 367.380808] name failslab, interval 1, probability 0, space 0, times 0 [ 367.392160] CPU: 0 PID: 26392 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 367.399101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.408475] Call Trace: [ 367.411092] dump_stack+0x1b9/0x294 [ 367.414751] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.419982] should_fail.cold.4+0xa/0x1a [ 367.424074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.429205] ? __lock_acquire+0x7f5/0x5130 [ 367.433464] ? graph_lock+0x170/0x170 [ 367.437278] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 367.442402] ? perf_trace_run_bpf_submit+0x246/0x370 [ 367.447535] ? find_held_lock+0x36/0x1c0 [ 367.451620] ? __lock_is_held+0xb5/0x140 [ 367.455725] ? check_same_owner+0x320/0x320 [ 367.460075] ? rcu_note_context_switch+0x710/0x710 [ 367.465040] __should_failslab+0x124/0x180 [ 367.469298] should_failslab+0x9/0x14 [ 367.473119] __kmalloc+0x2c8/0x760 [ 367.476696] ? constrain_params_by_rules+0x141/0x1360 [ 367.481923] constrain_params_by_rules+0x141/0x1360 [ 367.486995] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 367.492225] ? lock_downgrade+0x8e0/0x8e0 [ 367.496410] ? rcu_is_watching+0x85/0x140 [ 367.500588] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 367.505807] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 367.511045] ? is_bpf_text_address+0xd7/0x170 [ 367.515563] ? kernel_text_address+0x79/0xf0 [ 367.519985] ? __unwind_start+0x166/0x330 [ 367.524150] ? __kernel_text_address+0xd/0x40 [ 367.528671] ? unwind_get_return_address+0x61/0xa0 [ 367.533621] ? __save_stack_trace+0x7e/0xd0 [ 367.537963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.543515] ? snd_interval_refine+0x428/0x700 [ 367.548126] snd_pcm_hw_refine+0x8e9/0x1180 [ 367.552482] ? constrain_params_by_rules+0x1360/0x1360 [ 367.557775] ? snd_pcm_oss_change_params+0x80/0xe0 [ 367.562724] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 367.569141] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 367.573740] ? do_vfs_ioctl+0x1cf/0x1650 [ 367.577819] ? ksys_ioctl+0xa9/0xd0 [ 367.581461] ? SyS_ioctl+0x24/0x30 [ 367.585015] ? do_syscall_64+0x29e/0x9d0 [ 367.589094] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 367.594478] ? kasan_check_read+0x11/0x20 [ 367.598645] ? do_raw_spin_unlock+0x9e/0x2e0 [ 367.603077] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 367.607681] ? print_usage_bug+0xc0/0xc0 [ 367.611765] ? kasan_check_write+0x14/0x20 [ 367.616018] ? do_raw_spin_lock+0xc1/0x200 [ 367.620277] ? trace_hardirqs_off+0xd/0x10 [ 367.624527] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 367.629660] ? debug_check_no_obj_freed+0x2ff/0x584 [ 367.634713] ? mark_held_locks+0xc9/0x160 [ 367.638875] ? quarantine_put+0xeb/0x190 [ 367.642962] snd_pcm_hw_param_first+0x30e/0x680 [ 367.647659] snd_pcm_hw_param_near.constprop.35+0x6e2/0xb10 [ 367.653406] ? _snd_pcm_hw_param_min+0x570/0x570 [ 367.658180] ? mark_held_locks+0xc9/0x160 [ 367.662353] ? kfree+0x111/0x260 [ 367.665737] ? snd_pcm_oss_change_params_locked+0x2c1e/0x3ce0 [ 367.671640] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 367.676683] ? trace_hardirqs_on+0xd/0x10 2018/04/09 20:35:58 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:58 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3f00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x40030000000000, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:58 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x0, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r1, 0x4068aea3, &(0x7f0000000080)={0x32aa1cf5acc9e254, 0x0, [0xd567, 0x2, 0x100000001, 0x1]}) 2018/04/09 20:35:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x300, @loopback={0x0, 0x1}}, 0x1c) [ 367.680870] snd_pcm_oss_change_params_locked+0xc4d/0x3ce0 [ 367.686564] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 367.692564] ? lock_downgrade+0x8e0/0x8e0 [ 367.693769] print_req_error: I/O error, dev loop0, sector 0 [ 367.696724] ? graph_lock+0x170/0x170 [ 367.706241] ? perf_trace_run_bpf_submit+0x246/0x370 [ 367.711371] ? kasan_check_write+0x14/0x20 [ 367.715649] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 367.720613] ? wait_for_completion+0x870/0x870 [ 367.725217] ? lock_downgrade+0x8e0/0x8e0 2018/04/09 20:35:58 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x0, 0x101000) fdatasync(r0) [ 367.729412] snd_pcm_oss_change_params+0x80/0xe0 [ 367.734192] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 367.740452] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 367.744882] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 367.750005] ? snd_pcm_oss_release+0x290/0x290 [ 367.754620] ? graph_lock+0x170/0x170 [ 367.758439] ? find_held_lock+0x36/0x1c0 [ 367.762532] ? lock_downgrade+0x8e0/0x8e0 [ 367.766711] ? rcu_is_watching+0x85/0x140 [ 367.770877] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 367.776098] ? __fget+0x40c/0x650 2018/04/09 20:35:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0xf00, @loopback={0x0, 0x1}}, 0x1c) [ 367.779573] ? match_held_lock+0x881/0x8b0 [ 367.783834] ? expand_files.part.8+0x9a0/0x9a0 [ 367.788432] ? kasan_check_write+0x14/0x20 [ 367.792684] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 367.797630] ? wait_for_completion+0x870/0x870 [ 367.799328] print_req_error: I/O error, dev loop0, sector 0 [ 367.802222] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 367.813107] ? snd_pcm_oss_release+0x290/0x290 [ 367.817712] do_vfs_ioctl+0x1cf/0x1650 [ 367.821624] ? ioctl_preallocate+0x2e0/0x2e0 [ 367.826052] ? fget_raw+0x20/0x20 2018/04/09 20:35:58 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 367.829525] ? __sb_end_write+0xac/0xe0 [ 367.833525] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.839078] ? fput+0x130/0x1a0 [ 367.842378] ? ksys_write+0x1a6/0x250 [ 367.846207] ? security_file_ioctl+0x94/0xc0 [ 367.850642] ksys_ioctl+0xa9/0xd0 [ 367.854113] SyS_ioctl+0x24/0x30 [ 367.857493] ? ksys_ioctl+0xd0/0xd0 [ 367.861138] do_syscall_64+0x29e/0x9d0 [ 367.865046] ? vmalloc_sync_all+0x30/0x30 [ 367.869216] ? _raw_spin_unlock_irq+0x27/0x70 [ 367.873726] ? finish_task_switch+0x1ca/0x820 [ 367.878240] ? syscall_return_slowpath+0x5c0/0x5c0 [ 367.883190] ? syscall_return_slowpath+0x30f/0x5c0 [ 367.888139] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 367.893533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.898406] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 367.903613] RIP: 0033:0x455259 [ 367.906814] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 367.914544] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 367.921833] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 367.929116] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 367.936404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 367.943701] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000007 2018/04/09 20:35:58 executing program 4 (fault-call:2 fault-nth:8): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:58 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000000)=0x2, 0x4) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:58 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x4, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:35:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x5c03, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:58 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 368.087884] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:58 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(0xffffffffffffffff) [ 368.137538] FAULT_INJECTION: forcing a failure. [ 368.137538] name failslab, interval 1, probability 0, space 0, times 0 [ 368.148897] CPU: 0 PID: 26457 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 368.155846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.165221] Call Trace: [ 368.167844] dump_stack+0x1b9/0x294 [ 368.171511] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.176755] should_fail.cold.4+0xa/0x1a [ 368.180855] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 20:35:58 executing program 1 (fault-call:1 fault-nth:0): r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) [ 368.185996] ? graph_lock+0x170/0x170 [ 368.189825] ? is_bpf_text_address+0xd7/0x170 [ 368.194346] ? find_held_lock+0x36/0x1c0 [ 368.198437] ? __lock_is_held+0xb5/0x140 [ 368.202543] ? check_same_owner+0x320/0x320 [ 368.206894] ? rcu_note_context_switch+0x710/0x710 [ 368.211849] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 368.216447] ? do_vfs_ioctl+0x1cf/0x1650 [ 368.220523] ? ksys_ioctl+0xa9/0xd0 [ 368.224178] __should_failslab+0x124/0x180 [ 368.228436] should_failslab+0x9/0x14 [ 368.232256] __kmalloc+0x2c8/0x760 2018/04/09 20:35:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x500000000000000, 0x1}}, 0x1c) 2018/04/09 20:35:58 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:58 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(0x0, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 368.235816] ? print_usage_bug+0xc0/0xc0 [ 368.239905] ? kasan_check_write+0x14/0x20 [ 368.244173] ? do_raw_spin_lock+0xc1/0x200 [ 368.248454] ? snd_pcm_plugin_build+0x64/0x670 [ 368.253074] snd_pcm_plugin_build+0x64/0x670 [ 368.257517] snd_pcm_plugin_build_linear+0x29d/0x900 [ 368.262656] ? linear_transfer+0xa20/0xa20 [ 368.266934] snd_pcm_plug_format_plugins+0xc35/0x1a60 [ 368.272153] ? snd_pcm_plug_slave_format+0x760/0x760 [ 368.277280] ? snd_interval_refine+0x428/0x700 [ 368.281899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.287488] ? snd_pcm_hw_param_max+0x730/0x730 [ 368.292188] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 368.297417] snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 [ 368.303183] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 368.309095] ? lock_downgrade+0x8e0/0x8e0 [ 368.313264] ? graph_lock+0x170/0x170 [ 368.317094] ? perf_trace_run_bpf_submit+0x246/0x370 [ 368.322235] ? kasan_check_write+0x14/0x20 [ 368.326493] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 368.331458] ? wait_for_completion+0x870/0x870 2018/04/09 20:35:59 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 368.336074] ? lock_downgrade+0x8e0/0x8e0 [ 368.340269] snd_pcm_oss_change_params+0x80/0xe0 [ 368.345049] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 368.351306] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 368.355735] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 368.360875] ? snd_pcm_oss_release+0x290/0x290 [ 368.365487] ? graph_lock+0x170/0x170 [ 368.369312] ? find_held_lock+0x36/0x1c0 [ 368.373412] ? lock_downgrade+0x8e0/0x8e0 [ 368.377594] ? rcu_is_watching+0x85/0x140 [ 368.381768] ? rcu_bh_force_quiescent_state+0x20/0x20 2018/04/09 20:35:59 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x9, 0x200000) perf_event_open$cgroup(&(0x7f0000000080)={0x3, 0x70, 0x6, 0x8001, 0xe6f, 0xe06, 0x0, 0x800, 0x80001, 0x8, 0xffffffffffffffff, 0xffffffffffff8001, 0xffff, 0x84, 0x6, 0x0, 0x8, 0x7, 0x8, 0x6, 0x4, 0x101, 0x6e, 0x57, 0x3, 0x3ff, 0x38b4, 0xff, 0x5, 0xffffffffffffffe1, 0x3, 0x20, 0x1f2800000000, 0x4, 0x100, 0x8000, 0xffff, 0x8, 0x0, 0x8, 0x2, @perf_config_ext={0xcc5, 0x3ff}, 0x4, 0x16, 0x3ff, 0x7, 0xd2ff, 0x6, 0x10001}, r0, 0xf, r1, 0x2) 2018/04/09 20:35:59 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x8004020000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 368.386993] ? __fget+0x40c/0x650 [ 368.390477] ? match_held_lock+0x881/0x8b0 [ 368.394739] ? expand_files.part.8+0x9a0/0x9a0 [ 368.399348] ? kasan_check_write+0x14/0x20 [ 368.403602] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 368.408557] ? wait_for_completion+0x870/0x870 [ 368.413163] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 368.418373] ? snd_pcm_oss_release+0x290/0x290 [ 368.422981] do_vfs_ioctl+0x1cf/0x1650 [ 368.426898] ? ioctl_preallocate+0x2e0/0x2e0 [ 368.431332] ? fget_raw+0x20/0x20 [ 368.434805] ? __sb_end_write+0xac/0xe0 [ 368.438799] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.439969] FAULT_INJECTION: forcing a failure. [ 368.439969] name failslab, interval 1, probability 0, space 0, times 0 [ 368.444342] ? fput+0x130/0x1a0 [ 368.444363] ? ksys_write+0x1a6/0x250 [ 368.444389] ? security_file_ioctl+0x94/0xc0 [ 368.444414] ksys_ioctl+0xa9/0xd0 [ 368.444437] SyS_ioctl+0x24/0x30 [ 368.444451] ? ksys_ioctl+0xd0/0xd0 [ 368.444478] do_syscall_64+0x29e/0x9d0 [ 368.481645] ? vmalloc_sync_all+0x30/0x30 [ 368.485802] ? kasan_check_write+0x14/0x20 [ 368.490051] ? syscall_return_slowpath+0x5c0/0x5c0 [ 368.494988] ? syscall_return_slowpath+0x30f/0x5c0 [ 368.499932] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 368.505307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.510169] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 368.516081] RIP: 0033:0x455259 [ 368.519273] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 368.526986] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 368.534257] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 368.541529] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 368.548802] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 368.556076] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000008 [ 368.563384] CPU: 1 PID: 26466 Comm: syz-executor1 Not tainted 4.16.0+ #16 [ 368.570327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.579689] Call Trace: [ 368.582293] dump_stack+0x1b9/0x294 [ 368.585935] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.591143] ? perf_trace_lock+0xd6/0x900 [ 368.595310] should_fail.cold.4+0xa/0x1a [ 368.599387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.604501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.610053] ? _parse_integer+0x13b/0x190 [ 368.614228] ? zap_class+0x720/0x720 [ 368.617965] ? perf_trace_lock+0xd6/0x900 [ 368.622132] ? _parse_integer+0x190/0x190 [ 368.626301] ? zap_class+0x720/0x720 [ 368.630024] ? graph_lock+0x170/0x170 [ 368.633834] ? find_held_lock+0x36/0x1c0 [ 368.637906] ? graph_lock+0x170/0x170 [ 368.641742] __should_failslab+0x124/0x180 [ 368.645991] should_failslab+0x9/0x14 [ 368.649805] kmem_cache_alloc+0x47/0x760 [ 368.653880] ? rcu_note_context_switch+0x710/0x710 [ 368.658821] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 368.664027] ? mempool_free+0x370/0x370 [ 368.668014] mempool_alloc_slab+0x44/0x60 [ 368.672174] mempool_alloc+0x18b/0x490 [ 368.676078] ? remove_element.isra.4+0x1c0/0x1c0 [ 368.680846] ? expand_files.part.8+0x9a0/0x9a0 [ 368.685444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.690986] ? file_check_and_advance_wb_err+0x152/0x5d0 [ 368.696435] ? __bpf_trace_file_check_and_advance_wb_err+0x30/0x30 [ 368.702751] bio_alloc_bioset+0x3a1/0x7f0 [ 368.706897] ? bvec_alloc+0x2d0/0x2d0 [ 368.710687] ? fget_raw+0x20/0x20 [ 368.714127] ? __sb_end_write+0xac/0xe0 [ 368.718096] blkdev_issue_flush+0xf3/0x320 [ 368.722323] blkdev_fsync+0x93/0xd0 [ 368.725938] ? thaw_bdev+0x1a0/0x1a0 [ 368.729644] vfs_fsync_range+0x140/0x220 [ 368.733698] ? SyS_fsync+0x20/0x20 [ 368.737234] do_fsync+0x52/0xa0 [ 368.740505] ? SyS_fsync+0x20/0x20 [ 368.744041] SyS_fdatasync+0x19/0x20 [ 368.747748] do_syscall_64+0x29e/0x9d0 [ 368.751627] ? vmalloc_sync_all+0x30/0x30 [ 368.755770] ? _raw_spin_unlock_irq+0x27/0x70 [ 368.760261] ? finish_task_switch+0x1ca/0x820 [ 368.764757] ? syscall_return_slowpath+0x5c0/0x5c0 [ 368.769681] ? syscall_return_slowpath+0x30f/0x5c0 [ 368.774608] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 368.779965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.784803] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 368.789981] RIP: 0033:0x455259 [ 368.793156] RSP: 002b:00007f20994e5c68 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 368.800852] RAX: ffffffffffffffda RBX: 00007f20994e66d4 RCX: 0000000000455259 [ 368.808110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 [ 368.815366] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 368.822626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 368.829887] R13: 0000000000000097 R14: 00000000006f3ec8 R15: 0000000000000000 [ 368.841621] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:35:59 executing program 4 (fault-call:2 fault-nth:9): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:35:59 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:35:59 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:35:59 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x800000000000000, 0x1}}, 0x1c) 2018/04/09 20:35:59 executing program 1 (fault-call:1 fault-nth:1): r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:35:59 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, 0x0, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:35:59 executing program 2: r0 = socket$inet6(0xa, 0x7, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f0000000000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:35:59 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:35:59 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x300, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 369.243489] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:00 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:36:00 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(0xffffffffffffffff) 2018/04/09 20:36:00 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:00 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:00 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2b00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 369.394504] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:00 executing program 0 (fault-call:1 fault-nth:0): r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:36:00 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0xa) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x3, 0x800) ioctl$sock_ipx_SIOCIPXNCPCONN(r1, 0x89e3, &(0x7f0000000080)=0x1f) [ 369.479963] FAULT_INJECTION: forcing a failure. [ 369.479963] name failslab, interval 1, probability 0, space 0, times 0 [ 369.491309] CPU: 1 PID: 26504 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 369.498251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.507612] Call Trace: [ 369.508440] FAULT_INJECTION: forcing a failure. [ 369.508440] name failslab, interval 1, probability 0, space 0, times 0 [ 369.510207] dump_stack+0x1b9/0x294 [ 369.510230] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.510248] ? __save_stack_trace+0x7e/0xd0 [ 369.510276] should_fail.cold.4+0xa/0x1a [ 369.538613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.543716] ? save_stack+0x43/0xd0 [ 369.547338] ? kasan_kmalloc+0xc4/0xe0 [ 369.551216] ? __kmalloc+0x14e/0x760 [ 369.554925] ? snd_pcm_plugin_build+0x64/0x670 [ 369.559502] ? snd_pcm_plugin_build_linear+0x29d/0x900 [ 369.564773] ? snd_pcm_plug_format_plugins+0xc35/0x1a60 [ 369.570138] ? graph_lock+0x170/0x170 [ 369.573940] ? do_vfs_ioctl+0x1cf/0x1650 [ 369.578012] ? ksys_ioctl+0xa9/0xd0 [ 369.581639] ? SyS_ioctl+0x24/0x30 [ 369.585181] ? do_syscall_64+0x29e/0x9d0 [ 369.589238] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 369.594603] ? find_held_lock+0x36/0x1c0 [ 369.598661] ? __lock_is_held+0xb5/0x140 [ 369.602729] ? check_same_owner+0x320/0x320 [ 369.607053] ? rcu_note_context_switch+0x710/0x710 [ 369.611982] __should_failslab+0x124/0x180 [ 369.616215] should_failslab+0x9/0x14 [ 369.620009] __kmalloc+0x2c8/0x760 [ 369.623547] ? print_usage_bug+0xc0/0xc0 [ 369.627602] ? kasan_check_write+0x14/0x20 [ 369.631832] ? do_raw_spin_lock+0xc1/0x200 [ 369.636063] ? snd_pcm_plugin_build+0x448/0x670 [ 369.640738] snd_pcm_plugin_build+0x448/0x670 [ 369.645235] snd_pcm_plugin_build_linear+0x29d/0x900 [ 369.650341] ? linear_transfer+0xa20/0xa20 [ 369.654587] snd_pcm_plug_format_plugins+0xc35/0x1a60 [ 369.659779] ? snd_pcm_plug_slave_format+0x760/0x760 [ 369.664873] ? snd_interval_refine+0x428/0x700 [ 369.669458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.675000] ? snd_pcm_hw_param_max+0x730/0x730 [ 369.679670] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 369.684861] snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 [ 369.690585] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 369.696468] ? lock_downgrade+0x8e0/0x8e0 [ 369.700610] ? debug_check_no_locks_freed+0x310/0x310 [ 369.705795] ? graph_lock+0x170/0x170 [ 369.709604] ? debug_check_no_locks_freed+0x310/0x310 [ 369.714789] ? print_usage_bug+0xc0/0xc0 [ 369.718853] ? kasan_check_write+0x14/0x20 [ 369.723085] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 369.728012] ? wait_for_completion+0x870/0x870 [ 369.732593] ? lock_downgrade+0x8e0/0x8e0 [ 369.736751] snd_pcm_oss_change_params+0x80/0xe0 [ 369.741505] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 369.747739] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 369.752147] ? _parse_integer+0x190/0x190 [ 369.756298] ? snd_pcm_oss_release+0x290/0x290 [ 369.760883] ? graph_lock+0x170/0x170 [ 369.764682] ? find_held_lock+0x36/0x1c0 [ 369.768753] ? lock_downgrade+0x8e0/0x8e0 [ 369.772904] ? rcu_is_watching+0x85/0x140 [ 369.777052] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 369.782246] ? __fget+0x40c/0x650 [ 369.785700] ? match_held_lock+0x881/0x8b0 [ 369.789934] ? expand_files.part.8+0x9a0/0x9a0 [ 369.794519] ? kasan_check_write+0x14/0x20 [ 369.798755] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 369.803686] ? wait_for_completion+0x870/0x870 [ 369.808261] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 369.813448] ? snd_pcm_oss_release+0x290/0x290 [ 369.818027] do_vfs_ioctl+0x1cf/0x1650 [ 369.821915] ? ioctl_preallocate+0x2e0/0x2e0 [ 369.826321] ? fget_raw+0x20/0x20 [ 369.829768] ? __sb_end_write+0xac/0xe0 [ 369.833742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.839271] ? fput+0x130/0x1a0 [ 369.842548] ? ksys_write+0x1a6/0x250 [ 369.846347] ? security_file_ioctl+0x94/0xc0 [ 369.850754] ksys_ioctl+0xa9/0xd0 [ 369.854208] SyS_ioctl+0x24/0x30 [ 369.857569] ? ksys_ioctl+0xd0/0xd0 [ 369.861192] do_syscall_64+0x29e/0x9d0 [ 369.865074] ? vmalloc_sync_all+0x30/0x30 [ 369.869216] ? _raw_spin_unlock_irq+0x27/0x70 [ 369.873711] ? finish_task_switch+0x1ca/0x820 [ 369.878208] ? syscall_return_slowpath+0x5c0/0x5c0 [ 369.883136] ? syscall_return_slowpath+0x30f/0x5c0 [ 369.888073] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 369.893438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.898281] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 369.903482] RIP: 0033:0x455259 [ 369.906668] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 369.914377] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 369.921645] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 369.928911] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 369.936174] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 369.943436] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000009 [ 369.950723] CPU: 0 PID: 26536 Comm: syz-executor0 Not tainted 4.16.0+ #16 [ 369.957673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.967037] Call Trace: [ 369.969643] dump_stack+0x1b9/0x294 [ 369.973282] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.978484] ? perf_trace_lock+0xd6/0x900 [ 369.982655] should_fail.cold.4+0xa/0x1a [ 369.986734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.991849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.997400] ? _parse_integer+0x13b/0x190 [ 370.001562] ? zap_class+0x720/0x720 [ 370.005283] ? perf_trace_lock+0xd6/0x900 [ 370.009450] ? _parse_integer+0x190/0x190 [ 370.013616] ? zap_class+0x720/0x720 [ 370.017346] ? graph_lock+0x170/0x170 [ 370.021155] ? find_held_lock+0x36/0x1c0 [ 370.025226] ? graph_lock+0x170/0x170 [ 370.029055] __should_failslab+0x124/0x180 [ 370.033301] should_failslab+0x9/0x14 [ 370.037110] kmem_cache_alloc+0x47/0x760 [ 370.041180] ? rcu_note_context_switch+0x710/0x710 [ 370.046119] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 370.051319] ? mempool_free+0x370/0x370 [ 370.055318] mempool_alloc_slab+0x44/0x60 [ 370.059478] mempool_alloc+0x18b/0x490 [ 370.063384] ? remove_element.isra.4+0x1c0/0x1c0 [ 370.068151] ? expand_files.part.8+0x9a0/0x9a0 [ 370.072735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.078261] ? file_check_and_advance_wb_err+0x152/0x5d0 [ 370.083706] ? __bpf_trace_file_check_and_advance_wb_err+0x30/0x30 [ 370.090028] bio_alloc_bioset+0x3a1/0x7f0 [ 370.094168] ? bvec_alloc+0x2d0/0x2d0 [ 370.097959] ? fget_raw+0x20/0x20 [ 370.101399] ? __sb_end_write+0xac/0xe0 [ 370.105370] blkdev_issue_flush+0xf3/0x320 [ 370.110202] blkdev_fsync+0x93/0xd0 [ 370.113819] ? thaw_bdev+0x1a0/0x1a0 [ 370.117519] vfs_fsync_range+0x140/0x220 [ 370.121567] ? SyS_fsync+0x20/0x20 [ 370.125095] do_fsync+0x52/0xa0 [ 370.128360] ? SyS_fsync+0x20/0x20 [ 370.131886] SyS_fdatasync+0x19/0x20 [ 370.135590] do_syscall_64+0x29e/0x9d0 [ 370.139471] ? vmalloc_sync_all+0x30/0x30 [ 370.143612] ? _raw_spin_unlock_irq+0x27/0x70 [ 370.148106] ? finish_task_switch+0x1ca/0x820 [ 370.152598] ? syscall_return_slowpath+0x5c0/0x5c0 [ 370.157528] ? syscall_return_slowpath+0x30f/0x5c0 [ 370.162453] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 370.167812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.172655] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 370.177828] RIP: 0033:0x455259 [ 370.181007] RSP: 002b:00007f7dc6a80c68 EFLAGS: 00000246 ORIG_RAX: 000000000000004b [ 370.188713] RAX: ffffffffffffffda RBX: 00007f7dc6a816d4 RCX: 0000000000455259 [ 370.195968] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 [ 370.203227] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 370.210487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 370.217747] R13: 0000000000000097 R14: 00000000006f3ec8 R15: 0000000000000000 [ 370.227291] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:01 executing program 4 (fault-call:2 fault-nth:10): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:01 executing program 0 (fault-call:1 fault-nth:1): r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:36:01 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000000)={0x0, r0}) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000080)=""/125) sendmsg$unix(0xffffffffffffffff, &(0x7f0000001700)={&(0x7f00000000c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000240), 0x0, &(0x7f0000001680)}, 0x20040800) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000140)={0x0, 0x5}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000001c0)={r5, @in={{0x2, 0x4e22, @rand_addr=0x4}}, 0xffffffffffffff00, 0x1ff}, &(0x7f0000000280)=0x90) r6 = socket(0x240000000018, 0x0, 0x2) syz_kvm_setup_cpu$x86(r6, r4, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000300)=[@textreal={0x8, &(0x7f0000000000)="0f01ca0f011fdb9597cc0f01c80faccc00f3d9ff0f017d3d0f019b1ca6b801008ec0baf80c66b828fdfe8366efbafc0ced", 0x31}], 0x1, 0x0, &(0x7f0000000040), 0x0) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:01 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x1100000000000000, 0x1}}, 0x1c) 2018/04/09 20:36:01 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0xffffffffffffff42, 0x100) ioctl$TIOCOUTQ(r1, 0x5411, &(0x7f0000000040)) fdatasync(r0) 2018/04/09 20:36:01 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2100, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) [ 370.351441] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 370.359984] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 370.379215] FAULT_INJECTION: forcing a failure. [ 370.379215] name failslab, interval 1, probability 0, space 0, times 0 [ 370.390575] CPU: 0 PID: 26568 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 370.397526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.406899] Call Trace: [ 370.409515] dump_stack+0x1b9/0x294 [ 370.413164] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.418400] should_fail.cold.4+0xa/0x1a [ 370.422482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.427589] ? save_stack+0x43/0xd0 [ 370.431221] ? kasan_kmalloc+0xc4/0xe0 [ 370.435103] ? snd_pcm_plugin_build+0x448/0x670 [ 370.439766] ? snd_pcm_plugin_build_linear+0x29d/0x900 [ 370.445039] ? snd_pcm_plug_format_plugins+0xc35/0x1a60 [ 370.450397] ? snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 [ 370.456286] ? graph_lock+0x170/0x170 [ 370.460082] ? ksys_ioctl+0xa9/0xd0 [ 370.463703] ? SyS_ioctl+0x24/0x30 [ 370.467239] ? do_syscall_64+0x29e/0x9d0 [ 370.471294] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 370.476658] ? find_held_lock+0x36/0x1c0 [ 370.480720] ? __lock_is_held+0xb5/0x140 [ 370.484793] ? check_same_owner+0x320/0x320 [ 370.489107] ? __lock_is_held+0xb5/0x140 [ 370.493167] ? rcu_note_context_switch+0x710/0x710 [ 370.498100] __should_failslab+0x124/0x180 [ 370.502331] should_failslab+0x9/0x14 [ 370.506122] __kmalloc+0x2c8/0x760 [ 370.509655] ? kasan_check_write+0x14/0x20 [ 370.514698] ? do_raw_spin_lock+0xc1/0x200 [ 370.518934] ? snd_pcm_plugin_build+0x448/0x670 [ 370.523598] ? snd_pcm_plugin_build+0x64/0x670 [ 370.528177] snd_pcm_plugin_build+0x64/0x670 [ 370.532586] snd_pcm_plugin_build_rate+0x298/0x860 [ 370.537516] ? rate_transfer+0x360/0x360 [ 370.541585] snd_pcm_plug_format_plugins+0xd87/0x1a60 [ 370.546786] ? snd_pcm_plug_slave_format+0x760/0x760 [ 370.551884] ? snd_interval_refine+0x428/0x700 [ 370.556467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.562008] ? snd_pcm_hw_param_max+0x730/0x730 [ 370.566680] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 370.571877] snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 [ 370.577602] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 370.583484] ? lock_downgrade+0x8e0/0x8e0 [ 370.587626] ? graph_lock+0x170/0x170 [ 370.591430] ? perf_trace_run_bpf_submit+0x246/0x370 [ 370.596537] ? kasan_check_write+0x14/0x20 [ 370.600764] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 370.605694] ? wait_for_completion+0x870/0x870 [ 370.610271] ? lock_downgrade+0x8e0/0x8e0 [ 370.614435] snd_pcm_oss_change_params+0x80/0xe0 [ 370.619192] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 370.625434] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 370.629845] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 370.634954] ? snd_pcm_oss_release+0x290/0x290 [ 370.639546] ? graph_lock+0x170/0x170 [ 370.643346] ? find_held_lock+0x36/0x1c0 [ 370.647418] ? lock_downgrade+0x8e0/0x8e0 [ 370.651577] ? rcu_is_watching+0x85/0x140 [ 370.655728] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 370.660933] ? __fget+0x40c/0x650 [ 370.664387] ? match_held_lock+0x881/0x8b0 [ 370.668621] ? expand_files.part.8+0x9a0/0x9a0 [ 370.673203] ? kasan_check_write+0x14/0x20 [ 370.677435] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 370.682369] ? wait_for_completion+0x870/0x870 [ 370.686959] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 370.692157] ? snd_pcm_oss_release+0x290/0x290 [ 370.696748] do_vfs_ioctl+0x1cf/0x1650 [ 370.700647] ? ioctl_preallocate+0x2e0/0x2e0 [ 370.705061] ? fget_raw+0x20/0x20 [ 370.708519] ? __sb_end_write+0xac/0xe0 [ 370.712500] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 370.718042] ? fput+0x130/0x1a0 [ 370.721324] ? ksys_write+0x1a6/0x250 [ 370.725130] ? security_file_ioctl+0x94/0xc0 [ 370.729541] ksys_ioctl+0xa9/0xd0 [ 370.732999] SyS_ioctl+0x24/0x30 [ 370.736366] ? ksys_ioctl+0xd0/0xd0 [ 370.740079] do_syscall_64+0x29e/0x9d0 [ 370.743965] ? vmalloc_sync_all+0x30/0x30 [ 370.748111] ? _raw_spin_unlock_irq+0x27/0x70 [ 370.752612] ? finish_task_switch+0x1ca/0x820 [ 370.757108] ? syscall_return_slowpath+0x5c0/0x5c0 [ 370.762044] ? syscall_return_slowpath+0x30f/0x5c0 [ 370.766980] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 370.772350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.777197] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 370.782380] RIP: 0033:0x455259 [ 370.785558] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 370.793263] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 2018/04/09 20:36:01 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3001, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) clock_gettime(0x6, &(0x7f00000001c0)={0x0, 0x0}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(0xffffffffffffffff, 0x28, 0x6, &(0x7f0000000080)={r1, r2/1000+30000}, 0x10) r3 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0xfffffffffffffffc, 0x800) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) setsockopt$netlink_NETLINK_RX_RING(r3, 0x10e, 0x6, &(0x7f0000000040)={0xf779, 0x7, 0x703, 0x401}, 0x10) setsockopt$ipx_IPX_TYPE(r3, 0x100, 0x1, &(0x7f00000000c0)=0x2a, 0x4) [ 370.800530] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 370.807795] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 370.815053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 370.822318] R13: 000000000000035f R14: 00000000006f8188 R15: 000000000000000a 2018/04/09 20:36:01 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:01 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) [ 370.884679] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:01 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x200000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 370.927288] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 370.962278] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:01 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cpuset.effective_mems\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000040)={0x6, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r1 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r1) [ 371.053893] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:01 executing program 4 (fault-call:2 fault-nth:11): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:01 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xc0ffffff, 0x1}}, 0x1c) 2018/04/09 20:36:01 executing program 2: r0 = getuid() ioprio_get$uid(0x0, r0) r1 = socket$inet6(0xa, 0x3, 0x0) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:01 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x80000001, 0x0) fdatasync(r0) 2018/04/09 20:36:01 executing program 7 (fault-call:5 fault-nth:0): r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:01 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x89ffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:01 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000340)='/dev/audio#\x00', 0x9, 0x800) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000080)={0x0, 0x80000, 0xffffffffffffff9c}) socketpair(0x11, 0xe, 0x6, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000100)={r1, 0x80000, r2}) r3 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) getsockname$inet6(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0, @loopback}, &(0x7f0000000300)=0x1c) fdatasync(r3) syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x3, 0x240801) sendmmsg$alg(r2, &(0x7f0000000280)=[{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000140)="d07b45acf79a37a35231e058dc2516cc2b42044fd0c4e5e8e722bfe1de07da9108d995478256dc01d74121881bc3b80fa2907ee40fe2f1071febd245e7409d2cf4300bd00009a32913a6a321eba856966b37", 0x52}, {&(0x7f00000007c0)="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", 0x1000}], 0x2, &(0x7f0000000200)=[@op={0x18, 0x117, 0x3}, @assoc={0x18, 0x117, 0x4, 0xff}, @op={0x18, 0x117, 0x3, 0x1}, @assoc={0x18, 0x117, 0x4}], 0x60, 0x4004000}], 0x1, 0x0) [ 371.330345] FAULT_INJECTION: forcing a failure. [ 371.330345] name failslab, interval 1, probability 0, space 0, times 0 [ 371.341676] CPU: 1 PID: 26618 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 371.348626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.357989] Call Trace: [ 371.360600] dump_stack+0x1b9/0x294 [ 371.364252] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.369460] ? __save_stack_trace+0x7e/0xd0 [ 371.373798] should_fail.cold.4+0xa/0x1a [ 371.377874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.382993] ? save_stack+0x43/0xd0 [ 371.386722] ? kasan_kmalloc+0xc4/0xe0 [ 371.390615] ? __kmalloc+0x14e/0x760 [ 371.394334] ? snd_pcm_plugin_build+0x64/0x670 [ 371.398923] ? snd_pcm_plugin_build_rate+0x298/0x860 [ 371.404041] ? snd_pcm_plug_format_plugins+0xd87/0x1a60 [ 371.409425] ? graph_lock+0x170/0x170 [ 371.413234] ? do_vfs_ioctl+0x1cf/0x1650 [ 371.417309] ? ksys_ioctl+0xa9/0xd0 [ 371.420945] ? SyS_ioctl+0x24/0x30 [ 371.424493] ? do_syscall_64+0x29e/0x9d0 [ 371.428570] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 371.433952] ? find_held_lock+0x36/0x1c0 [ 371.438042] ? __lock_is_held+0xb5/0x140 [ 371.442129] ? check_same_owner+0x320/0x320 [ 371.446466] ? rcu_note_context_switch+0x710/0x710 [ 371.451415] __should_failslab+0x124/0x180 [ 371.455666] should_failslab+0x9/0x14 [ 371.459482] __kmalloc+0x2c8/0x760 [ 371.463040] ? kasan_check_write+0x14/0x20 [ 371.464907] print_req_error: I/O error, dev loop1, sector 0 [ 371.467286] ? do_raw_spin_lock+0xc1/0x200 2018/04/09 20:36:02 executing program 0: pipe2(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84000) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000040), &(0x7f0000000100)=0x4) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x1, 0x0) ftruncate(r1, 0x2) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x100, 0x0) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3000002, 0x50, r0, 0x0) fdatasync(r2) 2018/04/09 20:36:02 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:02 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 371.477209] ? snd_pcm_plugin_build+0x448/0x670 [ 371.481885] ? snd_pcm_plugin_build+0x448/0x670 [ 371.486569] snd_pcm_plugin_build+0x448/0x670 [ 371.487359] print_req_error: I/O error, dev loop1, sector 0 [ 371.491071] snd_pcm_plugin_build_rate+0x298/0x860 [ 371.501702] ? rate_transfer+0x360/0x360 [ 371.505773] ? mark_held_locks+0xc9/0x160 [ 371.509930] snd_pcm_plug_format_plugins+0xd87/0x1a60 [ 371.515139] ? snd_pcm_plug_slave_format+0x760/0x760 [ 371.520263] ? retint_kernel+0x10/0x10 [ 371.524169] ? snd_pcm_oss_change_params_locked+0xee6/0x3ce0 2018/04/09 20:36:02 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1300000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 371.529984] snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 [ 371.535729] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 371.541632] ? lock_downgrade+0x8e0/0x8e0 [ 371.545795] ? debug_check_no_locks_freed+0x310/0x310 [ 371.551001] ? graph_lock+0x170/0x170 [ 371.554827] ? debug_check_no_locks_freed+0x310/0x310 [ 371.560034] ? print_usage_bug+0xc0/0xc0 [ 371.564126] ? kasan_check_write+0x14/0x20 [ 371.568377] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 371.573321] ? wait_for_completion+0x870/0x870 2018/04/09 20:36:02 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:02 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x6, 0x0) fdatasync(r0) [ 371.577912] ? lock_downgrade+0x8e0/0x8e0 [ 371.582086] snd_pcm_oss_change_params+0x80/0xe0 [ 371.586857] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 371.593108] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 371.597538] ? _parse_integer+0x190/0x190 [ 371.601712] ? snd_pcm_oss_release+0x290/0x290 [ 371.606320] ? graph_lock+0x170/0x170 [ 371.610129] ? find_held_lock+0x36/0x1c0 [ 371.612232] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 371.614206] ? lock_downgrade+0x8e0/0x8e0 [ 371.614230] ? rcu_is_watching+0x85/0x140 [ 371.614251] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 371.636288] ? __fget+0x40c/0x650 [ 371.639760] ? match_held_lock+0x881/0x8b0 [ 371.644096] ? expand_files.part.8+0x9a0/0x9a0 [ 371.648690] ? kasan_check_write+0x14/0x20 [ 371.652941] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 371.657888] ? wait_for_completion+0x870/0x870 [ 371.662486] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 371.667685] ? snd_pcm_oss_release+0x290/0x290 [ 371.672278] do_vfs_ioctl+0x1cf/0x1650 [ 371.676184] ? ioctl_preallocate+0x2e0/0x2e0 2018/04/09 20:36:02 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x4, 0xffffffffffffffff, 0xffffffffffffffff) [ 371.676484] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 371.680593] ? fget_raw+0x20/0x20 [ 371.680612] ? __sb_end_write+0xac/0xe0 [ 371.680632] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.680644] ? fput+0x130/0x1a0 [ 371.680662] ? ksys_write+0x1a6/0x250 [ 371.680682] ? security_file_ioctl+0x94/0xc0 [ 371.680699] ksys_ioctl+0xa9/0xd0 [ 371.680716] SyS_ioctl+0x24/0x30 [ 371.680733] ? ksys_ioctl+0xd0/0xd0 [ 371.724091] do_syscall_64+0x29e/0x9d0 [ 371.727988] ? vmalloc_sync_all+0x30/0x30 2018/04/09 20:36:02 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3a00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 371.732154] ? _raw_spin_unlock_irq+0x27/0x70 [ 371.736659] ? finish_task_switch+0x1ca/0x820 [ 371.741169] ? syscall_return_slowpath+0x5c0/0x5c0 [ 371.746111] ? syscall_return_slowpath+0x30f/0x5c0 [ 371.751061] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 371.756448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.761311] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 371.766509] RIP: 0033:0x455259 [ 371.769702] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 371.777423] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 371.784702] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 371.791979] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 371.799261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 371.806541] R13: 000000000000035f R14: 00000000006f8188 R15: 000000000000000b 2018/04/09 20:36:02 executing program 4 (fault-call:2 fault-nth:12): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:02 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:02 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe8030000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:02 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x40, 0x0) ioctl$sock_SIOCGSKNS(r1, 0x894c, &(0x7f0000000040)=0xda70) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r2 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x3, 0x40000) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000140)={0x0, 0x7ff, 0x3, 0x3, 0x7f, 0x1ff}, &(0x7f0000000180)=0x14) getsockopt$inet_sctp_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f00000001c0)={r3, 0x8, 0x5, 0x100000000, 0x21d4, 0x3}, &(0x7f0000000200)=0x14) 2018/04/09 20:36:02 executing program 1: socketpair(0xa, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04) r1 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffdfffffffe, 0x200000010000) fdatasync(r1) 2018/04/09 20:36:02 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0xffffffffffffff62) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:02 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x5, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:02 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xb80b, 0x1}}, 0x1c) [ 372.287653] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 372.321452] FAULT_INJECTION: forcing a failure. [ 372.321452] name failslab, interval 1, probability 0, space 0, times 0 [ 372.332896] CPU: 0 PID: 26679 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 372.339842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.346497] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 372.349203] Call Trace: [ 372.349232] dump_stack+0x1b9/0x294 [ 372.349261] ? dump_stack_print_info.cold.2+0x52/0x52 [ 372.369265] should_fail.cold.4+0xa/0x1a [ 372.373368] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.378509] ? kasan_kmalloc+0xc4/0xe0 [ 372.382415] ? __kmalloc+0x14e/0x760 2018/04/09 20:36:03 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x87ffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:03 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x10000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:03 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 372.386150] ? snd_pcm_plugin_build+0x448/0x670 [ 372.390845] ? snd_pcm_plugin_build_rate+0x298/0x860 [ 372.395982] ? graph_lock+0x170/0x170 [ 372.399805] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 372.404402] ? do_vfs_ioctl+0x1cf/0x1650 [ 372.408481] ? ksys_ioctl+0xa9/0xd0 [ 372.412128] ? SyS_ioctl+0x24/0x30 [ 372.415685] ? do_syscall_64+0x29e/0x9d0 [ 372.419763] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 372.425143] ? find_held_lock+0x36/0x1c0 [ 372.429752] ? __lock_is_held+0xb5/0x140 [ 372.433853] ? check_same_owner+0x320/0x320 [ 372.438192] ? rcu_note_context_switch+0x710/0x710 [ 372.443145] __should_failslab+0x124/0x180 [ 372.447404] should_failslab+0x9/0x14 [ 372.451226] __kmalloc+0x2c8/0x760 [ 372.454787] ? __kmalloc+0x5f9/0x760 [ 372.458525] ? kasan_check_write+0x14/0x20 [ 372.462775] ? do_raw_spin_lock+0xc1/0x200 [ 372.467026] ? snd_pcm_plugin_build+0x64/0x670 [ 372.471617] ? snd_pcm_plugin_build+0x448/0x670 [ 372.476309] snd_pcm_plugin_build+0x64/0x670 [ 372.480731] ? snd_pcm_plugin_build+0x4d0/0x670 2018/04/09 20:36:03 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 372.485422] snd_pcm_plugin_build_linear+0x29d/0x900 [ 372.490542] ? snd_pcm_plugin_build_rate+0x5fc/0x860 [ 372.495667] ? linear_transfer+0xa20/0xa20 [ 372.499939] snd_pcm_plug_format_plugins+0x7c8/0x1a60 [ 372.505155] ? snd_pcm_plug_slave_format+0x760/0x760 [ 372.510268] ? snd_interval_refine+0x428/0x700 [ 372.515585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.521162] ? snd_pcm_hw_param_max+0x730/0x730 [ 372.525868] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 372.531104] snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 2018/04/09 20:36:03 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x6001000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:03 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 372.536860] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 372.542771] ? lock_downgrade+0x8e0/0x8e0 [ 372.546942] ? graph_lock+0x170/0x170 [ 372.550777] ? perf_trace_run_bpf_submit+0x246/0x370 [ 372.555913] ? kasan_check_write+0x14/0x20 [ 372.560168] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 372.565124] ? wait_for_completion+0x870/0x870 [ 372.569724] ? lock_downgrade+0x8e0/0x8e0 [ 372.573917] snd_pcm_oss_change_params+0x80/0xe0 [ 372.578699] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 372.584980] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 372.589408] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 372.594548] ? snd_pcm_oss_release+0x290/0x290 [ 372.599164] ? graph_lock+0x170/0x170 [ 372.602992] ? find_held_lock+0x36/0x1c0 [ 372.607093] ? lock_downgrade+0x8e0/0x8e0 [ 372.611277] ? rcu_is_watching+0x85/0x140 [ 372.615450] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 372.620673] ? __fget+0x40c/0x650 [ 372.624145] ? match_held_lock+0x881/0x8b0 [ 372.628397] ? expand_files.part.8+0x9a0/0x9a0 [ 372.632998] ? kasan_check_write+0x14/0x20 2018/04/09 20:36:03 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:03 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2b000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 372.637250] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 372.642200] ? wait_for_completion+0x870/0x870 [ 372.646809] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 372.652026] ? snd_pcm_oss_release+0x290/0x290 [ 372.656646] do_vfs_ioctl+0x1cf/0x1650 [ 372.660564] ? ioctl_preallocate+0x2e0/0x2e0 [ 372.664995] ? fget_raw+0x20/0x20 [ 372.668473] ? __sb_end_write+0xac/0xe0 [ 372.672490] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.678047] ? fput+0x130/0x1a0 [ 372.681354] ? ksys_write+0x1a6/0x250 [ 372.685180] ? security_file_ioctl+0x94/0xc0 [ 372.689610] ksys_ioctl+0xa9/0xd0 [ 372.693178] SyS_ioctl+0x24/0x30 [ 372.696562] ? ksys_ioctl+0xd0/0xd0 [ 372.700209] do_syscall_64+0x29e/0x9d0 [ 372.704110] ? vmalloc_sync_all+0x30/0x30 [ 372.708272] ? _raw_spin_unlock_irq+0x27/0x70 [ 372.712784] ? finish_task_switch+0x1ca/0x820 [ 372.717298] ? syscall_return_slowpath+0x5c0/0x5c0 [ 372.722244] ? syscall_return_slowpath+0x30f/0x5c0 [ 372.727204] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 372.732592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.737463] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 372.742663] RIP: 0033:0x455259 [ 372.745870] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 372.753605] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 372.760892] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 372.768177] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 372.775467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 372.782751] R13: 000000000000035f R14: 00000000006f8188 R15: 000000000000000c 2018/04/09 20:36:03 executing program 4 (fault-call:2 fault-nth:13): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:03 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x3000000, 0x1}}, 0x1c) 2018/04/09 20:36:03 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x4) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x400000, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000080)={0x200, 0x2, 0x80000001, 0xca}, 0x14) 2018/04/09 20:36:03 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) syz_mount_image$msdos(&(0x7f0000000080)='msdos\x00', &(0x7f00000000c0)='./file0\x00', 0x4, 0x5, &(0x7f00000002c0)=[{&(0x7f0000000100)="e345559168039bd2f1f2accb2a6c45dbaefe5838b3330748eccb509e2185d443d77234c21206ae00c421d29e024ad01d0897db01a73c1d14f1b37ad6e7a012343c0fe3af3faf79e3c2530c40dde50b31fe2a7556edb8e5946414", 0x5a, 0x2}, {&(0x7f0000000180)="3c7391e2ffe074c5b950", 0xa, 0x10000}, {&(0x7f00000001c0)="0db19cdb32c1e08ea5e06f2a7860c26061a42dffb745418dceb15dcbbd9fe97f58fdb1860296b1106258219cc64b30653052a89759aad7419cf53c101b8a12ca5e701f5399d31ba3fcf0ca8eb46e5e434835673b6f6fad8885b302b2101ce8c68bbcb4552572a4e1ee964262acc7aa27a5741a842fe32030d5694c71329fae", 0x7f, 0xfff}, {&(0x7f0000000240)="d20198c15c5c83e149b3fd61f729d30e98da2997f743630a805549112f571d0f4dfd1b3f10a754e78f9ac65c1d62956a7b4efc5a91", 0x35, 0x7}, {&(0x7f0000000280)="908f42b0a89925facf9e02c9ca8ccab34bdf3fa094b999831f3ed7aff2", 0x1d, 0x3f}], 0x2000008, &(0x7f0000000340)=ANY=[@ANYBLOB="74696d655f6f66667365743d7f0d7569643d37342c636f6465706167653d3836342c646d61736b3d2c6e66733d6e6f7374616c655f726f2c747a3d5554432c636865636b3d72656c617865642c646d61736b3d333034332c00"]) rename(&(0x7f0000000400)='./file0\x00', &(0x7f00000003c0)='./file0\x00') listxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/16, 0x10) 2018/04/09 20:36:03 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:03 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x7, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:03 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xc0ffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:03 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) fcntl$setflags(r0, 0x2, 0x1) r1 = fcntl$getown(r0, 0x9) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000002c0)={{{@in6=@mcast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6}}, &(0x7f00000003c0)=0xe8) r3 = getgid() r4 = getpgid(0xffffffffffffffff) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000400)={{{@in=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@remote}}, &(0x7f0000000500)=0xe8) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000540)={0x0, 0x0, 0x0}, &(0x7f0000000580)=0xc) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f00000005c0)=0x0) getresuid(&(0x7f0000000600), &(0x7f0000000640)=0x0, &(0x7f0000000680)) lstat(&(0x7f00000006c0)='./file0\x00', &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000002b40)=0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000002b80)={{{@in=@remote, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@rand_addr}}, &(0x7f0000002c80)=0xe8) getgroups(0xa, &(0x7f0000002cc0)=[0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0]) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000004040)=0x0) fstat(r0, &(0x7f0000004080)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000004100)={0x0, 0x0, 0x0}, &(0x7f0000004140)=0xc) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000004180)=0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000041c0)={{{@in=@remote, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@local}}, &(0x7f00000042c0)=0xe8) getresgid(&(0x7f0000004300)=0x0, &(0x7f0000004340), &(0x7f0000004380)) r19 = syz_open_dev$sndtimer(&(0x7f00000043c0)='/dev/snd/timer\x00', 0x0, 0x2002) r20 = fcntl$getown(r0, 0x9) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000048c0)={{{@in6=@ipv4={[], [], @multicast1}, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@remote}}, &(0x7f00000049c0)=0xe8) lstat(&(0x7f0000004a00)='./file0\x00', &(0x7f0000004a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000004ac0)=0x0) stat(&(0x7f0000004b00)='./file0\x00', &(0x7f0000004b40)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000004bc0)='./file0\x00', &(0x7f0000004c00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000004c80)=0x0) r27 = getuid() getresgid(&(0x7f0000004cc0), &(0x7f0000004d00)=0x0, &(0x7f0000004d40)) fcntl$getownex(r0, 0x10, &(0x7f0000004d80)={0x0, 0x0}) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000004dc0)={{{@in=@loopback, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@rand_addr}}, &(0x7f0000004ec0)=0xe8) r31 = getegid() getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000004f00)={0x0}, &(0x7f0000004f40)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000004f80)={{{@in=@dev, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@remote}}, &(0x7f0000005080)=0xe8) getgroups(0x8, &(0x7f00000050c0)=[0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0]) r35 = gettid() getresuid(&(0x7f0000005580)=0x0, &(0x7f00000055c0), &(0x7f0000005600)) lstat(&(0x7f0000005640)='./file0\x00', &(0x7f0000005680)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000005700)=0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000005740)={0x0, 0x0}, &(0x7f0000005780)=0xc) lstat(&(0x7f00000057c0)='./file0\x00', &(0x7f0000005800)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000005880)=0x0) fstat(r0, &(0x7f00000058c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r43 = getegid() ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000005940)=0x0) fstat(r0, &(0x7f0000005980)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000005a00)='./file0\x00', &(0x7f0000005a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r47 = getpid() stat(&(0x7f0000005ac0)='./file0\x00', &(0x7f0000005b00)={0x0, 0x0, 0x0, 0x0, 0x0}) r49 = getgid() fcntl$getownex(r0, 0x10, &(0x7f0000005b80)={0x0, 0x0}) fstat(r0, &(0x7f0000005bc0)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000005c40)='./file0\x00', &(0x7f0000005c80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r53 = getpgrp(0x0) r54 = getuid() r55 = getegid() fcntl$getownex(r0, 0x10, &(0x7f00000077c0)={0x0, 0x0}) stat(&(0x7f0000007800)='./file0\x00', &(0x7f0000007840)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f00000078c0), &(0x7f0000007900)=0x0, &(0x7f0000007940)) r59 = getpid() getresuid(&(0x7f0000007fc0), &(0x7f0000008000), &(0x7f0000008040)=0x0) getresgid(&(0x7f0000008080), &(0x7f00000080c0)=0x0, &(0x7f0000008100)) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f000000a400)=0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f000000a440)={{{@in=@dev, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@dev}}, &(0x7f000000a540)=0xe8) r64 = getgid() fcntl$getownex(r0, 0x10, &(0x7f000000a580)={0x0, 0x0}) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f000000a5c0)={{{@in6=@loopback, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@local}}, &(0x7f000000a6c0)=0xe8) r67 = getegid() r68 = getpid() lstat(&(0x7f000000a700)='./file0\x00', &(0x7f000000a740)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f000000a7c0)='./file0\x00', &(0x7f000000ab40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r0, &(0x7f000000a940)=[{&(0x7f0000000000)=@abs={0x0, 0x0, 0x4e24}, 0x6e, &(0x7f0000000280)=[{&(0x7f0000000080)="276ffb5db2532de6d15f651528c775cc1e1b32fba3ce5f1b5dae93427f186bbe2cdfddcba89a4fcff41f9f15e38791df1b4ec1dfd5d405decfb2de1742c1f341a2ddd6eb20897fdb75c76d1c71c76a68ad461b1c7a1432b0bce435a02fafbb830d7ca2eb323c9fc660fcf10f4603262e69a33357d0e437e918e3e9085e2135b6e68dda931a1b71205a52e2c9008c", 0x8e}, {&(0x7f0000000140)="88cf6b230212447ecc5b90b2924133c40c0abfefd22b3a011ab40ed7f2bc079971d0c16416166399fefa930a81492f1a4acfac4d78c0b6c093cc062676f0ceb680c1f452724a70b71aaab981224cb34b4aac6ad524a2fdbc33a6f11f724dc6f0cf775b26a98e793bcdfc335a163632", 0x6f}, {&(0x7f00000001c0)="abb8d6b63f950ce0894c88ec1c8537ecd0e6408aec913d67727552105ffb65ef0c6a0e63ead3a556774244854ee0749ecdfe83e2e469aae2c4ea2fda95390d53fa0034a7aef7c0d0503418692ffbc250c509cfd7a6c80c28a092e10585fd304c73d20de114ae12d208f6551ea2e06a2d21a808d9975f268808e546290fbb74f9a9276401346f5b6578f43f8a8f229872fd27beda3de1055e9fda7385e1f2fcf899bbc671", 0xa4}], 0x3, &(0x7f00000007c0)=[@cred={0x20, 0x1, 0x2, r1, r2, r3}, @cred={0x20, 0x1, 0x2, r4, r5, r6}, @cred={0x20, 0x1, 0x2, r7, r8, r9}], 0x60, 0x800}, {&(0x7f0000000840)=@abs={0x1, 0x0, 0x4e21}, 0x6e, &(0x7f0000002ac0)=[{&(0x7f00000008c0)="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0x1000}, 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{&(0x7f0000005480)="1690308e6d4ccf55d318cfa2fb6d1984efb1f14d19be4f50f9bbb8d5c63815f1729f4da36189f01032053a6f7596e3", 0x2f}, {&(0x7f00000054c0)="6f6119937283721ff32f06df79ea29f13c410760c556060070", 0x19}], 0x5, &(0x7f0000005d00)=[@cred={0x20, 0x1, 0x2, r35, r36, r37}, @rights={0x28, 0x1, 0x1, [r0, r0, r0, r0, r0, r0]}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @rights={0x18, 0x1, 0x1, [r0]}, @cred={0x20, 0x1, 0x2, r38, r39, r40}, @rights={0x18, 0x1, 0x1, [r0, r0]}, @cred={0x20, 0x1, 0x2, r41, r42, r43}, @cred={0x20, 0x1, 0x2, r44, r45, r46}, @cred={0x20, 0x1, 0x2, r47, r48, r49}, @cred={0x20, 0x1, 0x2, r50, r51, r52}], 0x148, 0x4000080}, {&(0x7f0000005e80)=@file={0x0, './file0\x00'}, 0x6e, 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0x1000}, {&(0x7f0000009340)="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", 0x1000}, {&(0x7f000000a340)="9268f8d3ee8e8a30bdfb3fd542c8b459c7fbd9df1c7eeb3cdfc23b5ecf13a8a3e3d65709a7ce2f", 0x27}], 0x5, &(0x7f000000a880)=[@cred={0x20, 0x1, 0x2, r62, r63, r64}, @rights={0x28, 0x1, 0x1, [r0, r0, r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r65, r66, r67}, @cred={0x20, 0x1, 0x2, r68, r69, r70}, @rights={0x28, 0x1, 0x1, [r0, r0, r0, r0, r0]}], 0xb0, 0x4000}], 0x9, 0x80) [ 373.297095] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 373.318194] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 373.318359] FAULT_INJECTION: forcing a failure. [ 373.318359] name failslab, interval 1, probability 0, space 0, times 0 [ 373.338215] CPU: 1 PID: 26724 Comm: syz-executor4 Not tainted 4.16.0+ #16 2018/04/09 20:36:04 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffffc0, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 373.345154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.354521] Call Trace: [ 373.357128] dump_stack+0x1b9/0x294 [ 373.360779] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.365987] ? __save_stack_trace+0x7e/0xd0 [ 373.370335] should_fail.cold.4+0xa/0x1a [ 373.374418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.379538] ? save_stack+0x43/0xd0 [ 373.383176] ? kasan_kmalloc+0xc4/0xe0 [ 373.387071] ? __kmalloc+0x14e/0x760 [ 373.390791] ? snd_pcm_plugin_build+0x64/0x670 2018/04/09 20:36:04 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 373.394585] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 373.395376] ? snd_pcm_plugin_build_linear+0x29d/0x900 [ 373.395392] ? snd_pcm_plug_format_plugins+0x7c8/0x1a60 [ 373.395413] ? graph_lock+0x170/0x170 [ 373.418410] ? do_vfs_ioctl+0x1cf/0x1650 [ 373.422482] ? ksys_ioctl+0xa9/0xd0 [ 373.426113] ? SyS_ioctl+0x24/0x30 [ 373.429662] ? do_syscall_64+0x29e/0x9d0 [ 373.433732] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 373.439107] ? find_held_lock+0x36/0x1c0 [ 373.443194] ? __lock_is_held+0xb5/0x140 2018/04/09 20:36:04 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x2, 0xffffffffffffffff, 0xffffffffffffffff) [ 373.447288] ? check_same_owner+0x320/0x320 [ 373.451623] ? rcu_note_context_switch+0x710/0x710 [ 373.456570] __should_failslab+0x124/0x180 [ 373.460818] should_failslab+0x9/0x14 [ 373.464623] __kmalloc+0x2c8/0x760 [ 373.468170] ? __kmalloc+0x5f9/0x760 [ 373.471895] ? retint_kernel+0x10/0x10 [ 373.475790] ? snd_pcm_plugin_build+0x448/0x670 [ 373.480474] snd_pcm_plugin_build+0x448/0x670 [ 373.484980] ? snd_pcm_plugin_build+0x4d0/0x670 [ 373.489663] snd_pcm_plugin_build_linear+0x29d/0x900 2018/04/09 20:36:04 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 373.494780] ? snd_pcm_plugin_build_rate+0x5fc/0x860 [ 373.499912] ? linear_transfer+0xa20/0xa20 [ 373.504166] snd_pcm_plug_format_plugins+0x7c8/0x1a60 [ 373.509369] ? snd_pcm_plug_slave_format+0x760/0x760 [ 373.514484] ? snd_interval_refine+0x428/0x700 [ 373.519081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.524633] ? snd_pcm_hw_param_max+0x730/0x730 [ 373.529318] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 373.534529] snd_pcm_oss_change_params_locked+0x11bd/0x3ce0 [ 373.540268] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 2018/04/09 20:36:04 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3c000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 373.546163] ? lock_downgrade+0x8e0/0x8e0 [ 373.550324] ? debug_check_no_locks_freed+0x310/0x310 [ 373.555525] ? graph_lock+0x170/0x170 [ 373.559350] ? debug_check_no_locks_freed+0x310/0x310 [ 373.564549] ? print_usage_bug+0xc0/0xc0 [ 373.568623] ? kasan_check_write+0x14/0x20 [ 373.572873] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 373.577992] ? wait_for_completion+0x870/0x870 [ 373.582587] ? lock_downgrade+0x8e0/0x8e0 [ 373.586761] snd_pcm_oss_change_params+0x80/0xe0 [ 373.591531] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 2018/04/09 20:36:04 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) 2018/04/09 20:36:04 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 373.597783] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 373.602201] ? _parse_integer+0x190/0x190 [ 373.606369] ? snd_pcm_oss_release+0x290/0x290 [ 373.610976] ? graph_lock+0x170/0x170 [ 373.614788] ? find_held_lock+0x36/0x1c0 [ 373.618875] ? lock_downgrade+0x8e0/0x8e0 [ 373.623038] ? rcu_is_watching+0x85/0x140 [ 373.627199] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 373.632406] ? __fget+0x40c/0x650 [ 373.635873] ? match_held_lock+0x881/0x8b0 [ 373.640118] ? expand_files.part.8+0x9a0/0x9a0 [ 373.644710] ? kasan_check_write+0x14/0x20 [ 373.648953] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 373.653899] ? wait_for_completion+0x870/0x870 [ 373.658496] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 373.663700] ? snd_pcm_oss_release+0x290/0x290 [ 373.668298] do_vfs_ioctl+0x1cf/0x1650 [ 373.672201] ? ioctl_preallocate+0x2e0/0x2e0 [ 373.676619] ? fget_raw+0x20/0x20 [ 373.680082] ? __sb_end_write+0xac/0xe0 [ 373.684076] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.689621] ? fput+0x130/0x1a0 [ 373.692912] ? ksys_write+0x1a6/0x250 [ 373.696726] ? security_file_ioctl+0x94/0xc0 [ 373.701151] ksys_ioctl+0xa9/0xd0 [ 373.704615] SyS_ioctl+0x24/0x30 [ 373.707990] ? ksys_ioctl+0xd0/0xd0 [ 373.709402] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 373.711622] do_syscall_64+0x29e/0x9d0 [ 373.711637] ? vmalloc_sync_all+0x30/0x30 [ 373.711653] ? _raw_spin_unlock_irq+0x27/0x70 [ 373.711671] ? finish_task_switch+0x1ca/0x820 [ 373.711689] ? syscall_return_slowpath+0x5c0/0x5c0 [ 373.711706] ? syscall_return_slowpath+0x30f/0x5c0 2018/04/09 20:36:04 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x3, 0xffffffffffffffff, 0xffffffffffffffff) [ 373.711727] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 373.711747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.711767] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 373.762491] RIP: 0033:0x455259 [ 373.765680] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 373.773402] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 373.780681] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 373.787958] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 373.795239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 373.802520] R13: 000000000000035f R14: 00000000006f8188 R15: 000000000000000d [ 373.823517] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:05 executing program 4 (fault-call:2 fault-nth:14): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:05 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) tgkill(r1, r2, 0x1b) 2018/04/09 20:36:05 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='pids.current\x00', 0x0, 0x0) getsockname$inet6(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, @ipv4={[], [], @multicast2}}, &(0x7f00000000c0)=0x1c) r1 = socket$inet6(0xa, 0x400000000001, 0x8000) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r1, &(0x7f0000000100)="80f3dc2d9d9a9df89e86e28f524d9bdf1f43b8518c98e170264eb8f60ff85aa3b85def168df53b92c1b984e7052c28543d746e3c5a02dac98eecf3c53e988da72a252dd1097d3e255ee1d9f14e51aede86b64211642ce3ac10f29389991b5732cdb534eb27e59bc5901f304ef6495f9b61b6ceb4737ebfbb335ff7ff8b6f757dabfcdded306e1c4ec93cd09c98f470556fd6d2e9ccb213763dc410c22334e896a8b33987f481a0811750c0cb2d73cffcb2b4b05d", 0xb4, 0x20000008, &(0x7f00000001c0)={0xa, 0x100000000000000, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:05 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x3e8, 0x1}}, 0x1c) 2018/04/09 20:36:05 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xa000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x9, 0x0) fcntl$getown(r0, 0x9) fdatasync(r0) 2018/04/09 20:36:05 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='io\x00') clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000100)={0x30, @time={r2, r3+10000000}, 0x0, {0xfffffffffffffffb, 0x4}, 0x2, 0x2, 0x1}) ioctl$KVM_SET_DEVICE_ATTR(r1, 0x4018aee1, &(0x7f0000000080)={0x0, 0xfffffffffffffffb, 0x0, &(0x7f0000000040)}) fdatasync(r0) [ 374.367497] FAULT_INJECTION: forcing a failure. [ 374.367497] name failslab, interval 1, probability 0, space 0, times 0 [ 374.378818] CPU: 1 PID: 26784 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 374.385754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.395117] Call Trace: [ 374.397727] dump_stack+0x1b9/0x294 [ 374.401379] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.406591] ? do_vfs_ioctl+0x1cf/0x1650 [ 374.410673] ? ksys_ioctl+0xa9/0xd0 [ 374.414307] ? SyS_ioctl+0x24/0x30 [ 374.417858] ? do_syscall_64+0x29e/0x9d0 [ 374.422027] should_fail.cold.4+0xa/0x1a [ 374.426129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.431257] ? graph_lock+0x170/0x170 [ 374.435080] ? find_held_lock+0x36/0x1c0 [ 374.439155] ? __lock_is_held+0xb5/0x140 [ 374.443240] ? check_same_owner+0x320/0x320 [ 374.447575] ? rcu_note_context_switch+0x710/0x710 [ 374.452515] ? snd_pcm_plugin_build+0x4d0/0x670 [ 374.457207] __should_failslab+0x124/0x180 [ 374.461461] should_failslab+0x9/0x14 [ 374.465272] __kmalloc+0x2c8/0x760 [ 374.468836] ? linear_transfer+0xa20/0xa20 [ 374.473089] ? snd_pcm_plugin_build+0x64/0x670 [ 374.477688] snd_pcm_plugin_build+0x64/0x670 [ 374.482109] snd_pcm_plugin_build_io+0x28c/0x720 [ 374.486876] ? io_playback_transfer+0x310/0x310 [ 374.491563] ? snd_pcm_hw_param_max+0x730/0x730 [ 374.496241] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 374.501449] snd_pcm_oss_change_params_locked+0x1247/0x3ce0 [ 374.507188] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 374.513083] ? lock_downgrade+0x8e0/0x8e0 2018/04/09 20:36:05 executing program 7: r0 = inotify_init1(0x0) r1 = dup2(r0, r0) accept$ax25(r1, &(0x7f0000000080), &(0x7f00000000c0)=0x10) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = getpgrp(0x0) process_vm_readv(r3, &(0x7f0000000340)=[{&(0x7f0000000100)=""/70, 0x46}, {&(0x7f0000000180)=""/178, 0xb2}, {&(0x7f0000000240)=""/167, 0xa7}, {&(0x7f0000000300)=""/37, 0x25}], 0x4, &(0x7f0000000440)=[{&(0x7f0000000380)=""/135, 0x87}], 0x1, 0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:05 executing program 2: syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x7, 0x9a201) r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) socket$key(0xf, 0x3, 0x2) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:05 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 374.517239] ? debug_check_no_locks_freed+0x310/0x310 [ 374.522445] ? graph_lock+0x170/0x170 [ 374.526275] ? debug_check_no_locks_freed+0x310/0x310 [ 374.531471] ? print_usage_bug+0xc0/0xc0 [ 374.535546] ? kasan_check_write+0x14/0x20 [ 374.539788] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 374.544733] ? wait_for_completion+0x870/0x870 [ 374.549327] ? lock_downgrade+0x8e0/0x8e0 [ 374.553494] snd_pcm_oss_change_params+0x80/0xe0 [ 374.558258] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 2018/04/09 20:36:05 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(r1) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 374.564502] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 374.568918] ? _parse_integer+0x190/0x190 [ 374.573075] ? snd_pcm_oss_release+0x290/0x290 [ 374.577673] ? graph_lock+0x170/0x170 [ 374.581476] ? find_held_lock+0x36/0x1c0 [ 374.585552] ? lock_downgrade+0x8e0/0x8e0 [ 374.589714] ? rcu_is_watching+0x85/0x140 [ 374.593870] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 374.599080] ? __fget+0x40c/0x650 [ 374.602554] ? match_held_lock+0x881/0x8b0 [ 374.606809] ? expand_files.part.8+0x9a0/0x9a0 [ 374.611404] ? kasan_check_write+0x14/0x20 [ 374.615649] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 374.620612] ? wait_for_completion+0x870/0x870 [ 374.625212] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 374.630421] ? snd_pcm_oss_release+0x290/0x290 [ 374.635016] do_vfs_ioctl+0x1cf/0x1650 [ 374.638920] ? ioctl_preallocate+0x2e0/0x2e0 [ 374.643343] ? fget_raw+0x20/0x20 [ 374.646815] ? __sb_end_write+0xac/0xe0 [ 374.650815] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.656371] ? fput+0x130/0x1a0 [ 374.659667] ? ksys_write+0x1a6/0x250 [ 374.663483] ? security_file_ioctl+0x94/0xc0 [ 374.667917] ksys_ioctl+0xa9/0xd0 [ 374.671394] SyS_ioctl+0x24/0x30 [ 374.674770] ? ksys_ioctl+0xd0/0xd0 [ 374.678415] do_syscall_64+0x29e/0x9d0 [ 374.682397] ? vmalloc_sync_all+0x30/0x30 [ 374.686560] ? kasan_check_write+0x14/0x20 [ 374.690813] ? syscall_return_slowpath+0x5c0/0x5c0 [ 374.695760] ? syscall_return_slowpath+0x30f/0x5c0 [ 374.700705] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 374.706081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.710945] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/09 20:36:05 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 7: r0 = inotify_init1(0x0) write$binfmt_elf64(r0, &(0x7f0000000040)={{0x7f, 0x45, 0x4c, 0x46, 0xffffff8000000000, 0x81, 0x400, 0x6, 0x364, 0x2, 0x3, 0x5, 0x3a3, 0x40, 0x310, 0xa1, 0x9, 0x38, 0x1, 0xd012, 0xd6, 0x4}, [{0x7, 0x5, 0x401, 0x4, 0x6580000, 0x8, 0x1aa3}, {0x6474e553, 0x400, 0x7, 0xf48, 0x5175, 0x40, 0x0, 0xfffffffffffffffc}], "e806976d52d70a34dd5de9316fe2c9d37d0396d90b119cf36e3992245289f27193013cac7543939f9380bdac9379d8f553df85ef21defc3b6f37f5792a8ba4075c89158e40dad75aa987c68ad2023eeb02e4b979b289f94cfa50e8d2d7ef9fff37e851ae5c44d70d5a144c977c6ff55b3704beef4b2c142c98400c1fac17eebc9f4ae3c3b553919d8ad0f1787037dd14b12901172ca96d4a6812b7fedc8ba76537acc1018323a163", [[], [], [], [], [], []]}, 0x758) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 374.716140] RIP: 0033:0x455259 [ 374.719327] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 374.727049] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 374.734334] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 374.741611] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 374.748889] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 374.756162] R13: 000000000000035f R14: 00000000006f8188 R15: 000000000000000e [ 374.768816] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:05 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x6000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 4 (fault-call:2 fault-nth:15): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:05 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x1f4, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) get_robust_list(r1, &(0x7f0000000200)=&(0x7f00000001c0)={&(0x7f0000000100)={&(0x7f00000000c0)}, 0x0, &(0x7f0000000180)={&(0x7f0000000140)}}, &(0x7f0000000240)=0x18) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) syz_open_dev$evdev(&(0x7f0000000280)='/dev/input/event#\x00', 0x2, 0x2) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:05 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xffffffc0, 0x1}}, 0x1c) 2018/04/09 20:36:05 executing program 2: r0 = creat(&(0x7f0000000100)='./file0\x00', 0x40) getpeername$netrom(r0, &(0x7f0000000140), &(0x7f0000000180)=0x10) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x8000, 0x3) accept$ax25(r2, &(0x7f0000000080), &(0x7f00000000c0)=0x10) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r1, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x1, 0x0, @dev={0xfe, 0x80, [], 0x15}}, 0xffffff15) 2018/04/09 20:36:05 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:05 executing program 1: semget(0xffffffffffffffff, 0x0, 0x0) semctl$SETVAL(0x0, 0x0, 0x10, &(0x7f0000000080)) r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = dup3(r0, r0, 0x80000) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffff9c, 0x8933, &(0x7f0000000180)={'team0\x00', 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}, 0x2b, r2}) ioctl$VT_ACTIVATE(r1, 0x5606, 0x3) prctl$seccomp(0x16, 0x2, &(0x7f00000001c0)={0x2, &(0x7f0000000140)=[{0x80}, {0x6}]}) stat(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)) r3 = socket(0x10, 0x1000000802, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000b91000)={'ip6tnl0\x00', 0x0}) sendmsg$nl_route(r3, &(0x7f0000005fc8)={&(0x7f0000000ff4)={0x10}, 0xc, &(0x7f0000005000)={&(0x7f0000000040)=ANY=[@ANYBLOB="00009b433e005a0800030000", @ANYRES32=r4], 0x1c}, 0x1}, 0x0) r5 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) ioctl$TIOCNXCL(r1, 0x540d) r6 = getuid() getsockopt$inet_sctp6_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f00000002c0)={0x0, 0x4, 0x5, 0x2}, &(0x7f0000000300)=0x10) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000000340)={r7, 0x10000}, &(0x7f0000000380)=0x8) r8 = getgid() syz_fuseblk_mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x8001, r6, r8, 0x400, 0x7f, 0x1004000) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x40, &(0x7f00000007c0)=@nat={'nat\x00', 0x1b, 0x5, 0x5b8, 0x0, 0x230, 0xffffffff, 0x340, 0x0, 0x4e8, 0x4e8, 0xffffffff, 0x4e8, 0x4e8, 0x5, &(0x7f00000003c0), {[{{@ipv6={@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, @mcast1={0xff, 0x1, [], 0x1}, [0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff], [0xffffffff, 0xff000000, 0xff000000, 0xffffffff], 'yam0\x00', 'teql0\x00', {}, {}, 0x33, 0x9, 0x1, 0x11}, 0x0, 0xf8, 0x138, 0x0, {}, [@common=@frag={0x30, 'frag\x00', 0x0, {0x10001, 0x40, 0x7fffffff, 0x2, 0x3}}]}, @common=@inet=@TCPOPTSTRIP={0x40, 'TCPOPTSTRIP\x00', 0x0, {[0xb758, 0x9, 0x1, 0x80, 0x4, 0x3, 0x5, 0x7f]}}}, {{@uncond, 0x0, 0xc8, 0xf8}, @common=@unspec=@CONNMARK={0x30, 'CONNMARK\x00', 0x1, {0x3, 0x8, 0x8}}}, {{@ipv6={@loopback={0x0, 0x1}, @dev={0xfe, 0x80, [], 0x1b}, [0x0, 0xffffffff, 0xff, 0xffffff00], [0xffffffff, 0xffffffff, 0x0, 0xffffffff], 'ip6tnl0\x00', 'bpq0\x00', {0xff}, {0xff}, 0x3f, 0xcf2c, 0x4}, 0x0, 0xc8, 0x110}, @MASQUERADE={0x48, 'MASQUERADE\x00', 0x0, {0x8, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}, @icmp_id=0x67, @gre_key=0x2}}}, {{@uncond, 0x0, 0x160, 0x1a8, 0x0, {}, [@common=@unspec=@physdev={0x98, 'physdev\x00', 0x0, {'syzkaller1\x00', {}, 'dummy0\x00', {}, 0x1, 0x1}}]}, @MASQUERADE={0x48, 'MASQUERADE\x00', 0x0, {0x2, @ipv4=@broadcast=0xffffffff, @ipv4=@multicast1=0xe0000001, @icmp_id=0x64, @icmp_id=0x66}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x618) ioctl$KVM_GET_IRQCHIP(r0, 0xc208ae62, &(0x7f0000000080)=@ioapic) fdatasync(r5) 2018/04/09 20:36:05 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = getpgrp(0xffffffffffffffff) ioprio_set$pid(0x1, r1, 0x7fff) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r2, 0xc0305302, &(0x7f0000000040)={0x7ff, 0x80000001, 0x2, 0x0, 0x7, 0x1f}) [ 375.344534] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:06 executing program 2: r0 = socket$inet6(0xa, 0x3ffffffffffd, 0xfffffffffffffffc) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x100, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = pkey_alloc(0x0, 0x2) pkey_free(r1) 2018/04/09 20:36:06 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2c, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:06 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 375.388012] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:06 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = syz_open_procfs(r1, &(0x7f0000000040)='net/rt_cache\x00') ioctl$EVIOCGMTSLOTS(r3, 0x8040450a, &(0x7f0000000080)=""/140) 2018/04/09 20:36:06 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x4000000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:06 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x7, 0x40) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000040)={0x9, 0x8, 0x3, 0x7, 0x0}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000100)={0x3, 0x0, 0x1, 0x3, r2}, 0x10) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f00000000c0)={r2, 0x2}, 0x8) fdatasync(r0) 2018/04/09 20:36:06 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040), 0x334) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:06 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 375.567366] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 375.658650] FAULT_INJECTION: forcing a failure. [ 375.658650] name failslab, interval 1, probability 0, space 0, times 0 [ 375.669989] CPU: 1 PID: 26886 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 375.676932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.686297] Call Trace: [ 375.688901] dump_stack+0x1b9/0x294 [ 375.692550] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.697757] ? __save_stack_trace+0x7e/0xd0 [ 375.702104] should_fail.cold.4+0xa/0x1a [ 375.706185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.711300] ? save_stack+0x43/0xd0 [ 375.714939] ? kasan_kmalloc+0xc4/0xe0 [ 375.718836] ? __kmalloc+0x14e/0x760 [ 375.722560] ? snd_pcm_plugin_build+0x64/0x670 [ 375.727152] ? snd_pcm_plugin_build_io+0x28c/0x720 [ 375.732091] ? snd_pcm_oss_change_params_locked+0x1247/0x3ce0 [ 375.737994] ? graph_lock+0x170/0x170 [ 375.741804] ? ksys_ioctl+0xa9/0xd0 [ 375.745442] ? SyS_ioctl+0x24/0x30 [ 375.748989] ? do_syscall_64+0x29e/0x9d0 [ 375.753066] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 375.758432] ? find_held_lock+0x36/0x1c0 [ 375.762487] ? __lock_is_held+0xb5/0x140 [ 375.766558] ? check_same_owner+0x320/0x320 [ 375.770867] ? rcu_note_context_switch+0x710/0x710 [ 375.775788] __should_failslab+0x124/0x180 [ 375.780015] should_failslab+0x9/0x14 [ 375.783809] __kmalloc+0x2c8/0x760 [ 375.787337] ? linear_transfer+0xa20/0xa20 [ 375.791563] ? snd_pcm_plugin_build+0x448/0x670 [ 375.796223] snd_pcm_plugin_build+0x448/0x670 [ 375.800714] snd_pcm_plugin_build_io+0x28c/0x720 [ 375.805457] ? io_playback_transfer+0x310/0x310 [ 375.810119] ? snd_pcm_hw_param_max+0x730/0x730 [ 375.814780] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 375.819964] snd_pcm_oss_change_params_locked+0x1247/0x3ce0 [ 375.825676] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 375.831562] ? lock_downgrade+0x8e0/0x8e0 [ 375.835698] ? debug_check_no_locks_freed+0x310/0x310 [ 375.840877] ? graph_lock+0x170/0x170 [ 375.844673] ? debug_check_no_locks_freed+0x310/0x310 [ 375.849857] ? kasan_check_write+0x14/0x20 [ 375.854080] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 375.859012] ? wait_for_completion+0x870/0x870 [ 375.863589] ? lock_downgrade+0x8e0/0x8e0 [ 375.867734] snd_pcm_oss_change_params+0x80/0xe0 [ 375.872476] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 375.878714] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 375.883114] ? _parse_integer+0x190/0x190 [ 375.887255] ? snd_pcm_oss_release+0x290/0x290 [ 375.891833] ? graph_lock+0x170/0x170 [ 375.895622] ? find_held_lock+0x36/0x1c0 [ 375.899730] ? lock_downgrade+0x8e0/0x8e0 [ 375.903874] ? rcu_is_watching+0x85/0x140 [ 375.908020] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 375.913224] ? __fget+0x40c/0x650 [ 375.916687] ? match_held_lock+0x881/0x8b0 [ 375.920914] ? expand_files.part.8+0x9a0/0x9a0 [ 375.925484] ? kasan_check_write+0x14/0x20 [ 375.929712] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 375.934639] ? wait_for_completion+0x870/0x870 [ 375.939216] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 375.944399] ? snd_pcm_oss_release+0x290/0x290 [ 375.948976] do_vfs_ioctl+0x1cf/0x1650 [ 375.952878] ? ioctl_preallocate+0x2e0/0x2e0 [ 375.957285] ? fget_raw+0x20/0x20 [ 375.960734] ? __sb_end_write+0xac/0xe0 [ 375.964710] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.970234] ? fput+0x130/0x1a0 [ 375.973509] ? ksys_write+0x1a6/0x250 [ 375.977306] ? security_file_ioctl+0x94/0xc0 [ 375.981714] ksys_ioctl+0xa9/0xd0 [ 375.985165] SyS_ioctl+0x24/0x30 [ 375.988525] ? ksys_ioctl+0xd0/0xd0 [ 375.992147] do_syscall_64+0x29e/0x9d0 [ 375.996037] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 376.000881] ? syscall_return_slowpath+0x5c0/0x5c0 [ 376.005804] ? syscall_return_slowpath+0x30f/0x5c0 [ 376.010733] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 376.016104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.020961] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 376.026144] RIP: 0033:0x455259 [ 376.029323] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 376.037033] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 376.044303] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 376.051567] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 376.058829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 376.066091] R13: 000000000000035f R14: 00000000006f8188 R15: 000000000000000f [ 376.084195] audit: type=1326 audit(1523306166.758:5): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=26846 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x455259 code=0x0 [ 376.181769] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 376.310518] audit: type=1326 audit(1523306166.985:6): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=26846 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x455259 code=0x0 [ 376.348748] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:07 executing program 4 (fault-call:2 fault-nth:16): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:07 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x40030000000000, 0x1}}, 0x1c) 2018/04/09 20:36:07 executing program 2: r0 = socket$inet6(0xa, 0x800400000000009, 0x100020000000) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000000)={0x5, [0x10001, 0x7, 0x2, 0x4, 0x10000000]}, &(0x7f0000000080)=0xe) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) socket$inet_udp(0x2, 0x2, 0x0) 2018/04/09 20:36:07 executing program 1: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0xfffffffffffffffd, 0x8020005) r0 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x6, 0x402000) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0x1b5}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000200)={r1, @in6={{0xa, 0x4e21, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0xa}}, 0x1, 0x8, 0x46, 0x6, 0x60}, 0x98) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f00000001c0)) 2018/04/09 20:36:07 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x2c000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:07 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) r3 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x7f93, 0x400000) setsockopt$inet_sctp_SCTP_EVENTS(r3, 0x84, 0xb, &(0x7f0000000080)={0x8001, 0xaa, 0x12000000000000, 0x10000, 0x9, 0x7ff, 0x3, 0xa19, 0x100, 0x6660000000, 0x6}, 0xb) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:07 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:07 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0xff, 0x1) fdatasync(r0) r1 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x5, 0x400001) openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x140, 0x0) ioctl$TUNSETOFFLOAD(r1, 0x400454d0, 0x5) ioctl$KVM_SMI(r1, 0xaeb7) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x2, 0x40000) [ 376.611535] FAULT_INJECTION: forcing a failure. [ 376.611535] name failslab, interval 1, probability 0, space 0, times 0 [ 376.612471] print_req_error: I/O error, dev loop5, sector 0 [ 376.622869] CPU: 1 PID: 26910 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 376.635435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.637911] print_req_error: I/O error, dev loop5, sector 0 [ 376.644792] Call Trace: [ 376.653090] dump_stack+0x1b9/0x294 [ 376.656733] ? dump_stack_print_info.cold.2+0x52/0x52 2018/04/09 20:36:07 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) getpeername$unix(r1, &(0x7f0000001140), &(0x7f00000011c0)=0x6e) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2200, 0x102) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000001200)={0x0, 0x2, 0x40b4e074}, &(0x7f0000001240)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000001280)={r3, 0x1ff}, 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) ioctl$PPPIOCSFLAGS(r4, 0x40047459, &(0x7f00000012c0)=0x40020) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000100)={0x4005, &(0x7f0000000080), 0xa, r4, 0xa}) uname(&(0x7f0000000140)=""/4096) [ 376.661951] should_fail.cold.4+0xa/0x1a [ 376.666034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.671147] ? snd_pcm_plugin_build+0x448/0x670 [ 376.675824] ? snd_pcm_plugin_build_io+0x28c/0x720 [ 376.680760] ? snd_pcm_oss_change_params_locked+0x1247/0x3ce0 [ 376.686656] ? snd_pcm_oss_change_params+0x80/0xe0 [ 376.691600] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 376.698017] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 376.702607] ? do_vfs_ioctl+0x1cf/0x1650 [ 376.706684] ? graph_lock+0x170/0x170 2018/04/09 20:36:07 executing program 0: r0 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x10}, 0x10) fsync(r0) r1 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r1) clock_nanosleep(0x5, 0x1, &(0x7f0000000080), &(0x7f00000000c0)) r2 = syz_open_dev$sndmidi(&(0x7f0000000100)='/dev/snd/midiC#D#\x00', 0x0, 0x28000) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r2, 0x40405515, &(0x7f0000000140)={0x4, 0x0, 0x80000000, 0x40, "23b0c67d8da2509efff10d98a33daf318278cc50b4022d71f608648778486a45e64b08923fce3da4306e6807", 0xffffffffffffffc1}) socket$pptp(0x18, 0x1, 0x2) 2018/04/09 20:36:07 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 376.710500] ? find_held_lock+0x36/0x1c0 [ 376.714571] ? __lock_is_held+0xb5/0x140 [ 376.718654] ? check_same_owner+0x320/0x320 [ 376.722988] ? rcu_note_context_switch+0x710/0x710 [ 376.727929] __should_failslab+0x124/0x180 [ 376.732173] should_failslab+0x9/0x14 [ 376.735983] kmem_cache_alloc_trace+0x2cb/0x780 [ 376.740669] ? snd_pcm_plugin_build+0x448/0x670 [ 376.745356] snd_pcm_hw_param_near.constprop.35+0x15c/0xb10 [ 376.751080] ? _snd_pcm_hw_param_min+0x570/0x570 [ 376.755850] ? __sanitizer_cov_trace_cmp8+0x18/0x20 2018/04/09 20:36:07 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x40000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 376.760876] ? rate_src_frames+0x22d/0x2e0 [ 376.765125] ? rate_dst_frames+0x2e0/0x2e0 [ 376.769373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.774920] ? snd_pcm_plug_slave_size+0x1d0/0x350 [ 376.779868] snd_pcm_oss_change_params_locked+0x1b46/0x3ce0 [ 376.785610] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 376.791595] ? lock_downgrade+0x8e0/0x8e0 [ 376.795758] ? debug_check_no_locks_freed+0x310/0x310 [ 376.800961] ? graph_lock+0x170/0x170 [ 376.804782] ? debug_check_no_locks_freed+0x310/0x310 [ 376.809982] ? print_usage_bug+0xc0/0xc0 [ 376.814063] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 376.819011] ? wait_for_completion+0x870/0x870 [ 376.823688] ? lock_downgrade+0x8e0/0x8e0 [ 376.824078] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 376.827855] snd_pcm_oss_change_params+0x80/0xe0 [ 376.827874] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 376.827894] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 376.827911] ? _parse_integer+0x190/0x190 [ 376.827929] ? snd_pcm_oss_release+0x290/0x290 2018/04/09 20:36:07 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc0], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:07 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f0000000100)={0x0, 0x1, 0x9, 0x7fff, 0x7fff}, 0xc) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$IPT_SO_GET_INFO(r0, 0x0, 0x40, &(0x7f0000000080)={'nat\x00'}, &(0x7f0000000000)=0x54) [ 376.827953] ? graph_lock+0x170/0x170 [ 376.827969] ? find_held_lock+0x36/0x1c0 [ 376.827997] ? lock_downgrade+0x8e0/0x8e0 [ 376.872640] ? rcu_is_watching+0x85/0x140 [ 376.876810] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 376.882033] ? __fget+0x40c/0x650 [ 376.885509] ? match_held_lock+0x881/0x8b0 [ 376.889757] ? expand_files.part.8+0x9a0/0x9a0 [ 376.894351] ? kasan_check_write+0x14/0x20 [ 376.898594] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 376.903544] ? wait_for_completion+0x870/0x870 [ 376.908142] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 376.913341] ? snd_pcm_oss_release+0x290/0x290 [ 376.917933] do_vfs_ioctl+0x1cf/0x1650 [ 376.921834] ? ioctl_preallocate+0x2e0/0x2e0 [ 376.926252] ? fget_raw+0x20/0x20 [ 376.929717] ? __sb_end_write+0xac/0xe0 [ 376.933703] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.939249] ? fput+0x130/0x1a0 [ 376.942552] ? ksys_write+0x1a6/0x250 [ 376.946367] ? security_file_ioctl+0x94/0xc0 [ 376.950533] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 376.950779] ksys_ioctl+0xa9/0xd0 2018/04/09 20:36:07 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) accept4(0xffffffffffffffff, &(0x7f0000000040)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, &(0x7f00000000c0)=0x80, 0x80000) ioctl$sock_SIOCINQ(r2, 0x541b, &(0x7f0000000100)) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:07 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 376.962802] SyS_ioctl+0x24/0x30 [ 376.966181] ? ksys_ioctl+0xd0/0xd0 [ 376.969817] do_syscall_64+0x29e/0x9d0 [ 376.973713] ? vmalloc_sync_all+0x30/0x30 [ 376.977870] ? _raw_spin_unlock_irq+0x27/0x70 [ 376.982376] ? finish_task_switch+0x1ca/0x820 [ 376.986884] ? syscall_return_slowpath+0x5c0/0x5c0 [ 376.991824] ? syscall_return_slowpath+0x30f/0x5c0 [ 376.996769] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 377.002146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.007003] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 377.012198] RIP: 0033:0x455259 [ 377.015398] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 377.023117] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 377.030393] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 377.037666] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 377.044940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 377.052218] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000010 2018/04/09 20:36:08 executing program 4 (fault-call:2 fault-nth:17): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:08 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xfe80, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:08 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0x3ff, 0x1) fdatasync(r0) 2018/04/09 20:36:08 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:08 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = socket$inet6(0xa, 0xf, 0x100) getsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000000), &(0x7f0000000040)=0x8) r2 = syz_open_dev$admmidi(&(0x7f0000000080)='/dev/admmidi#\x00', 0xc35c, 0x200000) r3 = openat$cgroup_ro(r2, &(0x7f00000000c0)='memory.events\x00', 0x0, 0x0) ioctl$TIOCGPGRP(r3, 0x540f, &(0x7f0000000100)=0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000140)={0x0, 0x0}) kcmp$KCMP_EPOLL_TFD(r4, r5, 0x7, r2, &(0x7f0000000180)={r2, r2, 0x8}) 2018/04/09 20:36:08 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x101000, 0x0) r2 = socket$inet6(0xa, 0x3, 0x101) r3 = dup3(r2, r1, 0x80000) ioctl$DRM_IOCTL_ADD_BUFS(r1, 0xc0206416, &(0x7f0000000080)={0x3, 0x2, 0x5, 0x7f, 0x7, 0x5}) ioctl$TUNSETLINK(r3, 0x400454cd, 0x30a) 2018/04/09 20:36:08 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xb80b000000000000, 0x1}}, 0x1c) 2018/04/09 20:36:08 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x0, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x23, 0xf9, &(0x7f0000000100)="e01c7a8932e1214903d3eba1420285d26629375018dc622f7da0835f732b502b0c8003", &(0x7f0000000140)=""/249, 0x9, 0x9}, 0x28) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r4 = getuid() ioctl$DRM_IOCTL_GET_CLIENT(r2, 0xc0286405, &(0x7f0000000280)={0x6, 0x59, r1, 0x10001, r4, 0x1, 0x6d27, 0x4}) r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x8001, 0x0) ioctl$DRM_IOCTL_ADD_MAP(r5, 0xc0286415, &(0x7f0000000080)={&(0x7f0000fff000/0x1000)=nil, 0x3ff, 0x4, 0x4, &(0x7f0000001000/0x4000)=nil, 0x7f}) [ 377.573463] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 377.593650] FAULT_INJECTION: forcing a failure. [ 377.593650] name failslab, interval 1, probability 0, space 0, times 0 [ 377.605077] CPU: 0 PID: 26969 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 377.612022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.621388] Call Trace: [ 377.623999] dump_stack+0x1b9/0x294 [ 377.624232] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 377.627732] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.627776] should_fail.cold.4+0xa/0x1a [ 377.645628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.650766] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 377.655906] ? graph_lock+0x170/0x170 [ 377.659733] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 377.666159] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 377.670778] ? find_held_lock+0x36/0x1c0 [ 377.674876] ? __lock_is_held+0xb5/0x140 [ 377.678989] ? check_same_owner+0x320/0x320 [ 377.683334] ? rcu_note_context_switch+0x710/0x710 [ 377.688286] ? graph_lock+0x170/0x170 [ 377.692116] __should_failslab+0x124/0x180 [ 377.696374] should_failslab+0x9/0x14 [ 377.700190] __kmalloc+0x2c8/0x760 [ 377.703759] ? constrain_params_by_rules+0x141/0x1360 [ 377.708959] ? find_held_lock+0x36/0x1c0 [ 377.713050] constrain_params_by_rules+0x141/0x1360 [ 377.718107] ? lock_downgrade+0x8e0/0x8e0 [ 377.722283] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 377.727486] ? rcu_is_watching+0x85/0x140 [ 377.731657] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 377.736864] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 377.742092] ? is_bpf_text_address+0xd7/0x170 [ 377.746609] ? kernel_text_address+0x79/0xf0 [ 377.751040] ? __unwind_start+0x166/0x330 [ 377.755206] ? __kernel_text_address+0xd/0x40 [ 377.759722] ? unwind_get_return_address+0x61/0xa0 [ 377.764674] ? __save_stack_trace+0x7e/0xd0 [ 377.767373] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 377.769025] ? save_stack+0xa9/0xd0 [ 377.769045] ? save_stack+0x43/0xd0 [ 377.769068] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 377.769087] ? snd_interval_refine+0x428/0x700 [ 377.794523] snd_pcm_hw_refine+0x8e9/0x1180 [ 377.798886] ? constrain_params_by_rules+0x1360/0x1360 [ 377.804185] ? graph_lock+0x170/0x170 [ 377.808012] ? __lock_is_held+0xb5/0x140 [ 377.812123] ? __lock_is_held+0xb5/0x140 [ 377.816219] ? snd_pcm_hw_param_near.constprop.35+0x15c/0xb10 [ 377.816982] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 377.822122] ? rcu_read_lock_sched_held+0x108/0x120 [ 377.822141] ? kmem_cache_alloc_trace+0x616/0x780 [ 377.822166] ? _snd_pcm_hw_param_min+0x330/0x570 [ 377.822192] snd_pcm_hw_param_near.constprop.35+0x2cf/0xb10 [ 377.822217] ? _snd_pcm_hw_param_min+0x570/0x570 [ 377.855846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.860887] ? rate_src_frames+0x22d/0x2e0 [ 377.865145] ? rate_dst_frames+0x2e0/0x2e0 [ 377.869400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.874955] ? snd_pcm_plug_slave_size+0x1d0/0x350 [ 377.879909] snd_pcm_oss_change_params_locked+0x1b46/0x3ce0 [ 377.885668] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 377.891570] ? lock_downgrade+0x8e0/0x8e0 [ 377.895744] ? graph_lock+0x170/0x170 [ 377.899573] ? perf_trace_run_bpf_submit+0x246/0x370 [ 377.904714] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 377.909668] ? wait_for_completion+0x870/0x870 [ 377.914269] ? lock_downgrade+0x8e0/0x8e0 [ 377.918484] snd_pcm_oss_change_params+0x80/0xe0 [ 377.923270] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 377.929530] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 377.933958] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 377.939097] ? snd_pcm_oss_release+0x290/0x290 [ 377.943707] ? graph_lock+0x170/0x170 [ 377.947527] ? find_held_lock+0x36/0x1c0 [ 377.951623] ? lock_downgrade+0x8e0/0x8e0 [ 377.955802] ? rcu_is_watching+0x85/0x140 [ 377.959970] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 377.961196] print_req_error: I/O error, dev loop1, sector 0 [ 377.965184] ? __fget+0x40c/0x650 [ 377.974221] print_req_error: I/O error, dev loop1, sector 0 [ 377.974325] ? match_held_lock+0x881/0x8b0 [ 377.984262] ? expand_files.part.8+0x9a0/0x9a0 [ 377.988862] ? kasan_check_write+0x14/0x20 [ 377.993117] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 377.998074] ? wait_for_completion+0x870/0x870 [ 378.002679] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 378.007882] ? snd_pcm_oss_release+0x290/0x290 [ 378.012483] do_vfs_ioctl+0x1cf/0x1650 [ 378.016401] ? ioctl_preallocate+0x2e0/0x2e0 [ 378.020833] ? fget_raw+0x20/0x20 2018/04/09 20:36:08 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:08 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0xa0801, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffff9c, 0x8933, &(0x7f00000000c0)={'vcan0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@ipv6_getaddr={0x2c, 0x16, 0x400, 0x70bd2a, 0x25dfdbff, {0xa, 0x8, 0x9, 0xfd, r2}, [@IFA_CACHEINFO={0x14, 0x6, {0x4791, 0x50f0, 0xd873, 0x1}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20040804}, 0x40) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = getpgrp(0x0) kcmp(r3, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:08 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:08 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fcntl$dupfd(r0, 0x0, r0) fdatasync(r0) 2018/04/09 20:36:08 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = dup(r0) getsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f0000000040), &(0x7f0000000080)) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:08 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:08 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:08 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x65, 0x2) fdatasync(r0) r1 = syz_open_dev$sg(&(0x7f0000000100)='/dev/sg#\x00', 0x5, 0x40000) getsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000140), &(0x7f0000000180)=0xb) [ 378.024308] ? __sb_end_write+0xac/0xe0 [ 378.028309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.033862] ? fput+0x130/0x1a0 [ 378.037163] ? ksys_write+0x1a6/0x250 [ 378.040986] ? security_file_ioctl+0x94/0xc0 [ 378.045419] ksys_ioctl+0xa9/0xd0 [ 378.048899] SyS_ioctl+0x24/0x30 [ 378.052280] ? ksys_ioctl+0xd0/0xd0 [ 378.055922] do_syscall_64+0x29e/0x9d0 [ 378.059823] ? vmalloc_sync_all+0x30/0x30 [ 378.063988] ? _raw_spin_unlock_irq+0x27/0x70 [ 378.068501] ? finish_task_switch+0x1ca/0x820 [ 378.073016] ? syscall_return_slowpath+0x5c0/0x5c0 [ 378.078079] ? syscall_return_slowpath+0x30f/0x5c0 [ 378.083040] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 378.088433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.093313] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 378.098515] RIP: 0033:0x455259 [ 378.101713] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 378.109446] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 378.116720] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 378.123978] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 378.131237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 378.138496] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000011 2018/04/09 20:36:09 executing program 4 (fault-call:2 fault-nth:18): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:09 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xe00000000000000, 0x1}}, 0x1c) 2018/04/09 20:36:09 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x6, 0x800) getsockopt$inet6_mreq(0xffffffffffffff9c, 0x29, 0x15, &(0x7f0000000140)={@mcast1, 0x0}, &(0x7f0000000180)=0x14) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000001c0)={{{@in, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@loopback}}, &(0x7f00000002c0)=0xe8) setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000300)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x4e23, 0x80000000, 0x4e22, 0x0, 0x0, 0x20, 0xa0, 0xaf, r1, r2}, {0x3, 0xc5, 0x0, 0x9, 0x5, 0x2, 0x0, 0xff}, {0x1, 0x800, 0x7ff, 0x1}, 0x2, 0x0, 0x0, 0x0, 0x2, 0x1}, {{@in=@dev={0xac, 0x14, 0x14, 0x17}, 0x4d5, 0x32}, 0x2, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x0, 0x3, 0x1, 0x4, 0xfffffffffffffffc, 0x800, 0x122}}, 0xe8) r3 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r3, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r3, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:09 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:09 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:09 executing program 1: r0 = syz_fuse_mount(&(0x7f0000000000)='./file0\x00', 0xc000, 0x0, 0x0, 0xfffffffffffffffd, 0x10010) r1 = syz_open_dev$sndseq(&(0x7f0000dcc000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) r2 = getpid() sched_setaffinity(r2, 0x8, &(0x7f0000d4b000)=0x2) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r1, 0xc0bc5310, &(0x7f0000000080)) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r1, 0x4058534c, &(0x7f000035d000)={0x5, 0x0, 0x0, 0x0, 0x0, 0x3}) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer2\x00', 0x0, 0x0) modify_ldt$write2(0x11, &(0x7f0000000140), 0x10) sendmmsg$nfc_llcp(r3, &(0x7f0000000ac0)=[{&(0x7f00000001c0)={0x27, 0x0, 0x0, 0x6, 0x7, 0x0, "8d119e8921889271f11fbd03a65f1f3caead1442350caaa96d36372e245c1e506c18ee4195540804953b39548721d0e596477733c5d523baff338df1e978d0", 0x14}, 0x60, &(0x7f0000000240)=[{&(0x7f0000000040)="2321fda6206f7d90e62b1a89919392fe6744c70f4e287fd5679dc3574b849635bede964a0024eacd7abdbbbc4f553877eea778", 0x33}], 0x1, &(0x7f0000000280)=ANY=[@ANYBLOB="c8000000000000001401000008000000b030efc8a7c149b05dd60540a11a77d32188315f52f6dd057c3314ccbe5cca8842fa6f2a92e24547b3ee1913293c0f649995d6f1ee1e66023c0903d647e51a6b99acdae81fc2ae8d31030212cc8100fb2edfb8b762c8bb3835d43cb6c069f41d65b8f6018299e32cc1237ac22d1f1b22f729609d76f69c60d75bc83c473234a8c88e7ab92e3b62cae22578a09442a84c9f09e45321b13c090ebe5fc817c16eaf01716d61afebb9cb69d46fda6e2bbd1c678d000000000000"], 0xc8, 0x4000}, {&(0x7f0000000380)={0x27, 0x1, 0x1, 0x5, 0xffffffffffff7fff, 0x2, "6ca567e3710fceeccd84723edb18f364a1cc4118f33e6e775c05f9391edc1bc3a7cb0d960df9cbe9f8d3e1faaf4e05927930722064e31461d3e34a4a8cbbf0", 0x1}, 0x60, &(0x7f0000000940)=[{&(0x7f0000000400)="92f56e249fd494e89c340fe98a5e68ffdb45c84ca668da21de15b3f02dba95c27439f2aa9fe2fff95eb63f07eb6d216c13a09c79d87c249b3770ccff78c920ad6e890003154ff5a519cb4fec4c7a5c74a0239ce4d360bb62cebb570611aaa7a6d3d002225d408f5e7d15667a81c05c49d9c7fa8521879a1e01f7df217e6b1c99468e966c25e831cec045b24171d0826022dcb2acc56869e3372ccbfecde871e02cb95a8fdd06886fab90e02d1359ed08fc2dcf956cfb857e91a9189bd7c36fb8c2e39fd3d31ca95315f7b445da9777f2a8760a3d4f82f1395a0634d3c280609b357373633c948d61540d41bea10db2d215", 0xf1}, {&(0x7f0000000500)="377e6308703077d4c5aa98821e7e6dadb997187dbc26c6895f19d31240eff9393534eefc14be03d1d340d5e3fe3599245f97a68cc5ef58d26fad7d10cd3a62e16bde1a9ab7ac6ad478cf9e1d525bdc505ec388d9fba07712e7764ceaa8decddbf6e11acb28b9e689acb7d4bd57e4cab57f2a1a13a97ce1e5941576433d7cc5bf2188607c9962535d4b95ec590823c1e7bc33aeb99e2014c360227a99fb51fdf15e", 0xa1}, {&(0x7f00000005c0)="75060a76051b358e353a57245f4b8ff1298c5efa5aea19f0e09a40ca30502c3ddde338e8d71361bc227c83b65b0bf837ddabf6323e5a432463799c1505500fdc2b67b3dd0e75b38a99e85f0a26f5f61becc6a934755f91dee8eeaf139d35", 0x5e}, {&(0x7f0000000640)="3ef6a3d7ee9411b0df743fe83cdabd6ee313ffaac606c3713aa8baabe1ab263c7f602d3694762d9e45511c08ed9ed7012f1507fc71492f45cf1c1d11b5e70762b322d3e824bc67805e0a7d886773e40f8dba1c8f7e354cb3e867de17cd486c021eb959e6075466253d7c9e4df27bcb7503685dc9cf130a20d4989cac175be7043cf2", 0x82}, {&(0x7f0000000700)="d1124eab38b7776f705e048859db50a15a48b8b6596da9bf3bbf395849f10fed133c2a43270885520106ae1d048fd1", 0x2f}, {&(0x7f0000000740)="52959203d65ef30833ac4a54f748b6006c94c196b36b43ec8e91bb9c5af89e6259d3bd05fb447e3b7c929255dfa2d653bdc660bdaa0733822a3941aaecac651f7f4536eabcc511b7eb5d60ff24f37432434802bf14a809a27b3bf8f2ea86840402edff", 0x63}, {&(0x7f00000007c0)="a10e7da9d643ed75bd17469eca3229fc8c597eb4c8cf909558e17c6f0da490eec726453d21c93a891c3bd034c990e0048f9075f27b94c4083014a7c6ca1a5373931ec0e5d6ec7fbd31f15529ceced167d48cd06460eabe457fe245202879652d76d8832669c889c16c2f9c10e9ed1f0a32c00cae0173ca2b4a919f7f8f5f78721a58da4f799e3f0545241a2ae6d509b549f91dfe481354ea6822d48a8814eb06d56148e2217a46be755b061b2753e9e7a11373334ec0f4d0d92d4a15e2d8fe13782a6575ee0e54feae55e9f8462cc628bd2b3a6f2a4b3176f3663676", 0xdc}, {&(0x7f00000008c0)="5c0fa8f892ab89af47b562b281550e7b7141e0245d46dd87ec5d1e4d5f4c33289d00dfd859ceb818db2ad25e9766be0f7b3c92fd1a75e1b3eee3a7fc7289c22eacc61191aa8d90f4374372665730f9a78ceff8ee1c3c580d90e3bd929b6113b2", 0x60}], 0x8, &(0x7f00000009c0)={0xc8, 0x119, 0x5, "76a98e925bd0f97d54ba007e68f8f7199a08778c12b638f6a1e04aeb7c145873be6dca823564775b2898de91bede78cb56b80a3c1be8a81311b4969d136f4d0600ed6af6fb81cbbf5e06585c95c45a66ddcf3de8cc17418a0067ccadd070763bafc5918a53c8dd145825e3a487456e113bfbeb8594b86e5a378ab2b200ab3f99c01a907582e98969fd48e9a59f099ea2af9f9a6fe8f9eb74c8743c406307a261b95f68e261a9ff41c98d3e180fc60517e71251cf35e9580a"}, 0xc8, 0x40010}], 0x2, 0x4000801) r4 = fcntl$getown(r0, 0x9) fcntl$setown(r0, 0x8, r4) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) fdatasync(r5) 2018/04/09 20:36:09 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x2, 0x441) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x7, 0x3f, 0x200, 0xa7, 0x3f, 0x4a08023e, 0x2, 0x1, 0x6d, 0x81, 0x10001, 0x5}) ioctl$ASHMEM_GET_NAME(r1, 0x81007702, &(0x7f0000000140)=""/47) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000080)={{0x4, 0x40}, 'port0\x00', 0x90, 0x0, 0xbb0, 0x101, 0x1, 0x5, 0x9, 0x0, 0x4, 0x80000001}) 2018/04/09 20:36:09 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x6, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 378.543754] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 378.565242] FAULT_INJECTION: forcing a failure. [ 378.565242] name failslab, interval 1, probability 0, space 0, times 0 [ 378.576630] CPU: 1 PID: 27025 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 378.579325] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:09 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 378.583563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.583571] Call Trace: [ 378.583598] dump_stack+0x1b9/0x294 [ 378.583618] ? dump_stack_print_info.cold.2+0x52/0x52 [ 378.583645] should_fail.cold.4+0xa/0x1a [ 378.617025] ? kernel_text_address+0x79/0xf0 [ 378.621460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.626589] ? __lock_acquire+0x7f5/0x5130 [ 378.630843] ? graph_lock+0x170/0x170 [ 378.634661] ? find_held_lock+0x36/0x1c0 [ 378.638734] ? __lock_is_held+0xb5/0x140 2018/04/09 20:36:09 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xf5ffffff00000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:09 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) socket$kcm(0x29, 0x7, 0x0) 2018/04/09 20:36:09 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 378.642816] ? check_same_owner+0x320/0x320 [ 378.647149] ? do_raw_spin_lock+0xc1/0x200 [ 378.651397] ? rcu_note_context_switch+0x710/0x710 [ 378.656335] ? trace_hardirqs_off+0xd/0x10 [ 378.660582] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 378.665712] __should_failslab+0x124/0x180 [ 378.669975] should_failslab+0x9/0x14 [ 378.673785] __kmalloc+0x2c8/0x760 [ 378.677333] ? __lock_acquire+0x7f5/0x5130 [ 378.681576] ? mark_held_locks+0xc9/0x160 [ 378.685736] ? constrain_params_by_rules+0x141/0x1360 2018/04/09 20:36:09 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = getpgrp(0x0) r4 = dup2(r0, r2) ioctl$VT_DISALLOCATE(r4, 0x5608) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 378.690941] constrain_params_by_rules+0x141/0x1360 [ 378.695983] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 378.701192] ? lock_downgrade+0x8e0/0x8e0 [ 378.705361] ? rcu_is_watching+0x85/0x140 [ 378.709534] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 378.714735] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 378.719944] ? is_bpf_text_address+0xd7/0x170 [ 378.724445] ? kernel_text_address+0x79/0xf0 [ 378.728860] ? __unwind_start+0x166/0x330 [ 378.733012] ? __kernel_text_address+0xd/0x40 [ 378.737522] ? unwind_get_return_address+0x61/0xa0 2018/04/09 20:36:09 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 378.742463] ? __save_stack_trace+0x7e/0xd0 [ 378.746796] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.752338] ? snd_interval_refine+0x428/0x700 [ 378.756939] snd_pcm_hw_refine+0x8e9/0x1180 [ 378.761285] ? constrain_params_by_rules+0x1360/0x1360 [ 378.766566] ? snd_pcm_oss_change_params+0x80/0xe0 [ 378.771514] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 378.777928] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 378.782520] ? do_vfs_ioctl+0x1cf/0x1650 [ 378.786595] ? ksys_ioctl+0xa9/0xd0 [ 378.790231] ? SyS_ioctl+0x24/0x30 [ 378.793779] ? do_syscall_64+0x29e/0x9d0 [ 378.797848] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 378.803218] ? kasan_check_read+0x11/0x20 [ 378.807383] ? do_raw_spin_unlock+0x9e/0x2e0 [ 378.811799] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 378.816387] ? print_usage_bug+0xc0/0xc0 [ 378.820457] ? kasan_check_write+0x14/0x20 [ 378.824705] ? do_raw_spin_lock+0xc1/0x200 [ 378.828956] ? trace_hardirqs_off+0xd/0x10 [ 378.833204] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 378.838325] ? debug_check_no_obj_freed+0x2ff/0x584 2018/04/09 20:36:09 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 378.843363] ? mark_held_locks+0xc9/0x160 [ 378.847520] ? quarantine_put+0xeb/0x190 [ 378.851601] snd_pcm_hw_param_first+0x30e/0x680 [ 378.856283] snd_pcm_hw_param_near.constprop.35+0x6e2/0xb10 [ 378.862009] ? _snd_pcm_hw_param_min+0x570/0x570 [ 378.866780] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.871801] ? rate_src_frames+0x22d/0x2e0 [ 378.876045] ? rate_dst_frames+0x2e0/0x2e0 [ 378.880292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.885837] ? snd_pcm_plug_slave_size+0x1d0/0x350 2018/04/09 20:36:09 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) r2 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x2, 0x40000) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r2, 0x111, 0x2, 0x0, 0x4) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = getpgrp(r1) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 378.890784] snd_pcm_oss_change_params_locked+0x1b46/0x3ce0 [ 378.896546] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 378.902441] ? lock_downgrade+0x8e0/0x8e0 [ 378.906602] ? debug_check_no_locks_freed+0x310/0x310 [ 378.911802] ? graph_lock+0x170/0x170 [ 378.915622] ? debug_check_no_locks_freed+0x310/0x310 [ 378.920821] ? print_usage_bug+0xc0/0xc0 [ 378.924905] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 378.929851] ? wait_for_completion+0x870/0x870 [ 378.934449] ? lock_downgrade+0x8e0/0x8e0 [ 378.938641] snd_pcm_oss_change_params+0x80/0xe0 [ 378.943411] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 378.949657] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 378.954079] ? _parse_integer+0x190/0x190 [ 378.958243] ? snd_pcm_oss_release+0x290/0x290 [ 378.962846] ? graph_lock+0x170/0x170 [ 378.966658] ? find_held_lock+0x36/0x1c0 [ 378.970734] ? lock_downgrade+0x8e0/0x8e0 [ 378.974901] ? rcu_is_watching+0x85/0x140 [ 378.979059] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 378.984727] ? __fget+0x40c/0x650 [ 378.984747] ? match_held_lock+0x881/0x8b0 [ 378.992429] ? expand_files.part.8+0x9a0/0x9a0 [ 378.997026] ? kasan_check_write+0x14/0x20 [ 379.001272] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 379.006229] ? wait_for_completion+0x870/0x870 [ 379.006248] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 379.006265] ? snd_pcm_oss_release+0x290/0x290 [ 379.006283] do_vfs_ioctl+0x1cf/0x1650 [ 379.006304] ? ioctl_preallocate+0x2e0/0x2e0 [ 379.006320] ? fget_raw+0x20/0x20 [ 379.006338] ? __sb_end_write+0xac/0xe0 [ 379.006355] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.006370] ? fput+0x130/0x1a0 [ 379.045156] ? ksys_write+0x1a6/0x250 [ 379.048978] ? security_file_ioctl+0x94/0xc0 [ 379.053400] ksys_ioctl+0xa9/0xd0 [ 379.056871] SyS_ioctl+0x24/0x30 [ 379.060248] ? ksys_ioctl+0xd0/0xd0 [ 379.063895] do_syscall_64+0x29e/0x9d0 [ 379.067794] ? vmalloc_sync_all+0x30/0x30 [ 379.071954] ? _raw_spin_unlock_irq+0x27/0x70 [ 379.076465] ? finish_task_switch+0x1ca/0x820 [ 379.078308] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.080978] ? syscall_return_slowpath+0x5c0/0x5c0 [ 379.080996] ? syscall_return_slowpath+0x30f/0x5c0 [ 379.081020] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 379.081042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.081066] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 379.081077] RIP: 0033:0x455259 [ 379.081089] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 [ 379.104103] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.104842] ORIG_RAX: 0000000000000010 [ 379.104853] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 379.104863] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 379.104873] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 379.104882] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 379.104890] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000012 2018/04/09 20:36:10 executing program 4 (fault-call:2 fault-nth:19): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:10 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xffff1f0000000000, 0x1}}, 0x1c) 2018/04/09 20:36:10 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0xda1e, 0x464000) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000040)="455e2a633a7ccaa766d093a09fbeebdb", 0x10) 2018/04/09 20:36:10 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:10 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) close(r0) 2018/04/09 20:36:10 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x900000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:10 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)=0x2) setsockopt$sock_timeval(r0, 0x1, 0x14, &(0x7f0000000080)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000000140)="beb01a2123ace097f22d817ea490", 0xe, 0x20000008, &(0x7f00000000c0)={0xa, 0x4e23, 0x0, @dev={0xfe, 0x80, [], 0xd}}, 0xfffffffffffffc79) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000100)=0x6) socket$rds(0x15, 0x5, 0x0) 2018/04/09 20:36:10 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = getpgrp(0x0) kcmp(0x0, r1, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 379.524053] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.558600] FAULT_INJECTION: forcing a failure. [ 379.558600] name failslab, interval 1, probability 0, space 0, times 0 [ 379.569933] CPU: 1 PID: 27081 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 379.576868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.580479] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.586225] Call Trace: [ 379.586252] dump_stack+0x1b9/0x294 [ 379.586273] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.586303] should_fail.cold.4+0xa/0x1a [ 379.586325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.615424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.621064] ? snd_pcm_hw_refine+0x362/0x1180 [ 379.625578] ? graph_lock+0x170/0x170 [ 379.629398] ? find_held_lock+0x36/0x1c0 [ 379.633484] ? __lock_is_held+0xb5/0x140 [ 379.637573] ? check_same_owner+0x320/0x320 [ 379.641903] ? debug_check_no_obj_freed+0x2ff/0x584 [ 379.646936] ? rcu_note_context_switch+0x710/0x710 [ 379.651887] __should_failslab+0x124/0x180 [ 379.656134] should_failslab+0x9/0x14 [ 379.659946] kmem_cache_alloc_trace+0x2cb/0x780 [ 379.664626] ? snd_pcm_hw_param_first+0x2eb/0x680 2018/04/09 20:36:10 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xf401000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:10 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:10 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) lookup_dcookie(0x6, &(0x7f0000000080)=""/237, 0xed) [ 379.669478] snd_pcm_hw_param_near.constprop.35+0x15c/0xb10 [ 379.675204] ? _snd_pcm_hw_param_min+0x570/0x570 [ 379.679980] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.685006] ? rate_src_frames+0x22d/0x2e0 [ 379.689251] ? rate_dst_frames+0x2e0/0x2e0 [ 379.693500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.695144] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.699040] ? snd_pcm_plug_slave_size+0x1d0/0x350 [ 379.699061] snd_pcm_oss_change_params_locked+0x1bb1/0x3ce0 [ 379.699090] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 2018/04/09 20:36:10 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x100000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:10 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xffff1f00, 0x1}}, 0x1c) [ 379.699108] ? lock_downgrade+0x8e0/0x8e0 [ 379.728303] ? debug_check_no_locks_freed+0x310/0x310 [ 379.733511] ? graph_lock+0x170/0x170 [ 379.737337] ? debug_check_no_locks_freed+0x310/0x310 [ 379.742539] ? print_usage_bug+0xc0/0xc0 [ 379.744421] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.746613] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 379.746634] ? wait_for_completion+0x870/0x870 [ 379.746654] ? lock_downgrade+0x8e0/0x8e0 [ 379.746687] snd_pcm_oss_change_params+0x80/0xe0 2018/04/09 20:36:10 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x50800, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000040)={0x0, 0x8}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f00000000c0)={r2, 0x8}, &(0x7f0000000100)=0x8) fdatasync(r0) [ 379.773647] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 379.779901] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 379.784327] ? _parse_integer+0x190/0x190 [ 379.788498] ? snd_pcm_oss_release+0x290/0x290 [ 379.793103] ? graph_lock+0x170/0x170 [ 379.796915] ? find_held_lock+0x36/0x1c0 [ 379.800999] ? lock_downgrade+0x8e0/0x8e0 [ 379.805165] ? rcu_is_watching+0x85/0x140 [ 379.809328] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 379.814543] ? __fget+0x40c/0x650 [ 379.818013] ? match_held_lock+0x881/0x8b0 2018/04/09 20:36:10 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x89ffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:10 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x4000480003, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0, 0x3}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f00000000c0)={r2, 0x4}, &(0x7f0000000100)=0x8) fdatasync(r0) setsockopt$sock_void(r0, 0x1, 0x0, 0x0, 0x0) [ 379.822258] ? expand_files.part.8+0x9a0/0x9a0 [ 379.826855] ? kasan_check_write+0x14/0x20 [ 379.831102] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 379.836045] ? wait_for_completion+0x870/0x870 [ 379.840644] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 379.845844] ? snd_pcm_oss_release+0x290/0x290 [ 379.850445] do_vfs_ioctl+0x1cf/0x1650 [ 379.854350] ? ioctl_preallocate+0x2e0/0x2e0 [ 379.858773] ? fget_raw+0x20/0x20 [ 379.862240] ? __sb_end_write+0xac/0xe0 [ 379.866233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.871776] ? fput+0x130/0x1a0 [ 379.875068] ? ksys_write+0x1a6/0x250 [ 379.878883] ? security_file_ioctl+0x94/0xc0 [ 379.883311] ksys_ioctl+0xa9/0xd0 [ 379.886782] SyS_ioctl+0x24/0x30 [ 379.890153] ? ksys_ioctl+0xd0/0xd0 [ 379.893786] do_syscall_64+0x29e/0x9d0 [ 379.897676] ? vmalloc_sync_all+0x30/0x30 [ 379.901835] ? _raw_spin_unlock_irq+0x27/0x70 [ 379.906336] ? finish_task_switch+0x1ca/0x820 [ 379.907353] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.910834] ? syscall_return_slowpath+0x5c0/0x5c0 [ 379.910852] ? syscall_return_slowpath+0x30f/0x5c0 [ 379.910876] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 379.910897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.910919] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 379.910931] RIP: 0033:0x455259 [ 379.910939] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 379.910960] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 379.943609] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 379.944707] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 379.944718] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 379.944727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 379.944736] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000013 [ 379.984619] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 380.026304] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:11 executing program 4 (fault-call:2 fault-nth:20): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:11 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) io_setup(0xffffffffffff0001, &(0x7f0000000000)=0x0) r2 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) io_cancel(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x8, 0x80, r0, &(0x7f00000007c0)="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", 0x1000, 0x0, 0x0, 0x1, r2}, &(0x7f00000000c0)) 2018/04/09 20:36:11 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0xffffffffffffff00, 0x8000) getsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000000080)=0x5, &(0x7f00000000c0)=0x4) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:11 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xa00, 0x1}}, 0x1c) 2018/04/09 20:36:11 executing program 0: bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x8}, 0x10) r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0xfffffffffffffffe, 0xfffffffffffffffc) syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0xfffffffffffffff8, 0x10100) fdatasync(r0) 2018/04/09 20:36:11 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) syz_extract_tcp_res(&(0x7f00000000c0), 0x3, 0x2) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x70, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x0, 0x0) ioctl$VHOST_SET_LOG_FD(r2, 0x4004af07, &(0x7f0000000080)) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:11 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xe000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:11 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 380.734733] FAULT_INJECTION: forcing a failure. [ 380.734733] name failslab, interval 1, probability 0, space 0, times 0 [ 380.746209] CPU: 0 PID: 27134 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 380.753158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.762530] Call Trace: [ 380.765149] dump_stack+0x1b9/0x294 [ 380.768807] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.774051] should_fail.cold.4+0xa/0x1a [ 380.778148] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/09 20:36:11 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 380.779540] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 380.783267] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 380.783299] ? graph_lock+0x170/0x170 [ 380.783320] ? snd_pcm_oss_change_params_locked+0x1b46/0x3ce0 [ 380.806693] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 380.813126] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 380.817741] ? do_vfs_ioctl+0x1cf/0x1650 [ 380.821833] ? ksys_ioctl+0xa9/0xd0 [ 380.825495] ? find_held_lock+0x36/0x1c0 [ 380.829594] ? __lock_is_held+0xb5/0x140 2018/04/09 20:36:11 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3f00, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 380.831744] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 380.833690] ? check_same_owner+0x320/0x320 [ 380.833717] ? rcu_note_context_switch+0x710/0x710 [ 380.833736] ? graph_lock+0x170/0x170 [ 380.833760] __should_failslab+0x124/0x180 [ 380.833780] should_failslab+0x9/0x14 [ 380.863429] __kmalloc+0x2c8/0x760 [ 380.867000] ? constrain_params_by_rules+0x141/0x1360 [ 380.872206] ? find_held_lock+0x36/0x1c0 [ 380.876293] constrain_params_by_rules+0x141/0x1360 [ 380.881340] ? lock_downgrade+0x8e0/0x8e0 2018/04/09 20:36:11 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 380.885537] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 380.890749] ? rcu_is_watching+0x85/0x140 [ 380.894913] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 380.900125] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 380.905346] ? is_bpf_text_address+0xd7/0x170 [ 380.909872] ? kernel_text_address+0x79/0xf0 [ 380.914297] ? __unwind_start+0x166/0x330 [ 380.918460] ? __kernel_text_address+0xd/0x40 [ 380.922975] ? unwind_get_return_address+0x61/0xa0 [ 380.927925] ? __save_stack_trace+0x7e/0xd0 [ 380.932295] ? save_stack+0xa9/0xd0 2018/04/09 20:36:11 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000000080)={{0xa, 0x4e22, 0xcf08, @ipv4={[], [0xff, 0xff], @rand_addr=0x2}}, {0xa, 0x4e23, 0x9, @ipv4={[], [0xff, 0xff], @rand_addr=0x6}, 0x10000000}, 0x10000, [0x400, 0x80000000, 0x80, 0x5, 0x8, 0x7f, 0x81, 0xff]}, 0x5c) [ 380.935937] ? save_stack+0x43/0xd0 [ 380.939580] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 380.944614] ? snd_interval_refine+0x428/0x700 [ 380.949217] snd_pcm_hw_refine+0x8e9/0x1180 [ 380.953573] ? constrain_params_by_rules+0x1360/0x1360 [ 380.958871] ? graph_lock+0x170/0x170 [ 380.962686] ? __lock_is_held+0xb5/0x140 [ 380.966790] ? __lock_is_held+0xb5/0x140 [ 380.970887] ? snd_pcm_hw_param_near.constprop.35+0x15c/0xb10 [ 380.976795] ? rcu_read_lock_sched_held+0x108/0x120 [ 380.981842] ? kmem_cache_alloc_trace+0x616/0x780 [ 380.986708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.992263] ? _snd_pcm_hw_param_min+0x330/0x570 [ 380.997048] snd_pcm_hw_param_near.constprop.35+0x2cf/0xb10 [ 381.002790] ? _snd_pcm_hw_param_min+0x570/0x570 [ 381.007572] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.012610] ? rate_src_frames+0x22d/0x2e0 [ 381.016866] ? rate_dst_frames+0x2e0/0x2e0 [ 381.021124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.026686] ? snd_pcm_plug_slave_size+0x1d0/0x350 [ 381.031642] snd_pcm_oss_change_params_locked+0x1bb1/0x3ce0 [ 381.037402] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 381.043310] ? lock_downgrade+0x8e0/0x8e0 [ 381.047486] ? graph_lock+0x170/0x170 [ 381.051326] ? perf_trace_run_bpf_submit+0x246/0x370 [ 381.056475] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 381.061437] ? wait_for_completion+0x870/0x870 [ 381.066050] ? lock_downgrade+0x8e0/0x8e0 [ 381.070259] snd_pcm_oss_change_params+0x80/0xe0 [ 381.075044] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 381.081308] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 381.085737] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 381.090879] ? snd_pcm_oss_release+0x290/0x290 [ 381.095497] ? graph_lock+0x170/0x170 [ 381.099317] ? find_held_lock+0x36/0x1c0 [ 381.103416] ? lock_downgrade+0x8e0/0x8e0 [ 381.107599] ? rcu_is_watching+0x85/0x140 [ 381.111771] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 381.117003] ? __fget+0x40c/0x650 [ 381.120483] ? match_held_lock+0x881/0x8b0 [ 381.124742] ? expand_files.part.8+0x9a0/0x9a0 [ 381.129347] ? kasan_check_write+0x14/0x20 [ 381.133604] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 381.138564] ? wait_for_completion+0x870/0x870 [ 381.143168] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 381.148380] ? snd_pcm_oss_release+0x290/0x290 [ 381.152991] do_vfs_ioctl+0x1cf/0x1650 [ 381.156910] ? ioctl_preallocate+0x2e0/0x2e0 [ 381.161342] ? fget_raw+0x20/0x20 [ 381.164819] ? __sb_end_write+0xac/0xe0 [ 381.168827] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.174382] ? fput+0x130/0x1a0 [ 381.177687] ? ksys_write+0x1a6/0x250 [ 381.181518] ? security_file_ioctl+0x94/0xc0 [ 381.185951] ksys_ioctl+0xa9/0xd0 [ 381.187629] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 381.189423] SyS_ioctl+0x24/0x30 [ 381.189441] ? ksys_ioctl+0xd0/0xd0 [ 381.189463] do_syscall_64+0x29e/0x9d0 [ 381.189480] ? vmalloc_sync_all+0x30/0x30 [ 381.189499] ? _raw_spin_unlock_irq+0x27/0x70 [ 381.189517] ? finish_task_switch+0x1ca/0x820 [ 381.189538] ? syscall_return_slowpath+0x5c0/0x5c0 [ 381.226990] ? syscall_return_slowpath+0x30f/0x5c0 [ 381.231949] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 2018/04/09 20:36:11 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:11 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xffffff84, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:11 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = accept$inet6(0xffffffffffffff9c, &(0x7f0000000000)={0x0, 0x0, 0x0, @dev}, &(0x7f0000000040)=0x1c) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0xffff}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={r2, 0x2, 0x30}, 0xc) fdatasync(r0) 2018/04/09 20:36:11 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGSKNS(r2, 0x894c, &(0x7f00000000c0)=0xc2a7) r3 = getpgrp(0x0) kcmp(r1, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) [ 381.237340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.242214] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 381.247413] RIP: 0033:0x455259 [ 381.250616] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 381.258346] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 381.258410] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 381.265621] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 381.265632] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 381.265641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 381.265652] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000014 2018/04/09 20:36:12 executing program 4 (fault-call:2 fault-nth:21): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:12 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0xfe80, 0x1}}, 0x1c) 2018/04/09 20:36:12 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) fdatasync(r0) pipe2(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0xfffffffffffffff4) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000080)={0x0, r1, 0x0, 0x2}, 0x14) fallocate(r0, 0x2, 0x5, 0xb95) 2018/04/09 20:36:12 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x8, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:12 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x3) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000000)={0x3, r0, 0x1}) setsockopt$IP_VS_SO_SET_STARTDAEMON(r1, 0x0, 0x48b, &(0x7f0000000080)={0x0, 'vcan0\x00', 0x4}, 0x18) getsockopt$inet6_buf(r0, 0x29, 0x2f, &(0x7f00000000c0)=""/88, &(0x7f0000000140)=0x58) 2018/04/09 20:36:12 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:12 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) r2 = dup3(r0, r0, 0x80000) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000000000)={0x3, r2}) fdatasync(r0) 2018/04/09 20:36:12 executing program 7: r0 = inotify_init1(0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='cgroup\x00') ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000080)={0x7f, 0x5, 0x65, 0x8, "d12a228fdf9525e78d779a64e4c0cb31b286b594ab9372597f979a0494215cc61dde2ef4e6df657a8528bdda", 0x4}) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f00000000c0)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x2, 0x70, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, r2, 0x0, 0xffffffffffffffff, 0x0) r3 = getpgrp(0x0) kcmp(r2, r3, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:12 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xa00000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 381.832308] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 381.845662] print_req_error: I/O error, dev loop0, sector 0 [ 381.857947] print_req_error: I/O error, dev loop0, sector 0 [ 381.886142] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 381.889483] FAULT_INJECTION: forcing a failure. [ 381.889483] name failslab, interval 1, probability 0, space 0, times 0 [ 381.906212] CPU: 0 PID: 27184 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 381.913155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.922528] Call Trace: [ 381.925134] dump_stack+0x1b9/0x294 [ 381.928796] ? dump_stack_print_info.cold.2+0x52/0x52 2018/04/09 20:36:12 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0xfe80000000000000, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 381.934031] should_fail.cold.4+0xa/0x1a [ 381.938123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.943256] ? __lock_acquire+0x7f5/0x5130 [ 381.947512] ? graph_lock+0x170/0x170 [ 381.951344] ? find_held_lock+0x36/0x1c0 [ 381.955434] ? __lock_is_held+0xb5/0x140 [ 381.959535] ? check_same_owner+0x320/0x320 [ 381.963889] ? rcu_note_context_switch+0x710/0x710 [ 381.968839] ? trace_hardirqs_off+0xd/0x10 [ 381.973092] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 381.978221] __should_failslab+0x124/0x180 [ 381.982483] should_failslab+0x9/0x14 2018/04/09 20:36:12 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x7, 0x10000) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x7ff}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000000c0)={r2, @in6={{0xa, 0x4e21, 0x4, @remote={0xfe, 0x80, [], 0xbb}, 0x5}}, 0x61, 0x2, 0x6ac6, 0x0, 0x10}, &(0x7f0000000180)=0x98) 2018/04/09 20:36:12 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:12 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) [ 381.986301] __kmalloc+0x2c8/0x760 [ 381.989870] ? mark_held_locks+0xc9/0x160 [ 381.994050] ? constrain_params_by_rules+0x141/0x1360 [ 381.999285] constrain_params_by_rules+0x141/0x1360 [ 382.004353] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 382.009575] ? lock_downgrade+0x8e0/0x8e0 [ 382.013755] ? rcu_is_watching+0x85/0x140 [ 382.017916] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 382.023107] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 382.028307] ? is_bpf_text_address+0xd7/0x170 [ 382.032801] ? kernel_text_address+0x79/0xf0 [ 382.037205] ? __unwind_start+0x166/0x330 [ 382.041349] ? __kernel_text_address+0xd/0x40 [ 382.045840] ? unwind_get_return_address+0x61/0xa0 [ 382.050770] ? __save_stack_trace+0x7e/0xd0 [ 382.055082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.060609] ? snd_interval_refine+0x428/0x700 [ 382.065196] snd_pcm_hw_refine+0x8e9/0x1180 [ 382.069525] ? constrain_params_by_rules+0x1360/0x1360 [ 382.074791] ? snd_pcm_oss_change_params+0x80/0xe0 [ 382.079713] ? snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 382.086110] ? snd_pcm_oss_ioctl+0x2452/0x3f00 [ 382.090685] ? do_vfs_ioctl+0x1cf/0x1650 [ 382.094740] ? ksys_ioctl+0xa9/0xd0 [ 382.098361] ? SyS_ioctl+0x24/0x30 [ 382.101891] ? do_syscall_64+0x29e/0x9d0 [ 382.105945] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 382.111301] ? kasan_check_read+0x11/0x20 [ 382.115444] ? do_raw_spin_unlock+0x9e/0x2e0 [ 382.119848] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 382.124424] ? print_usage_bug+0xc0/0xc0 [ 382.128476] ? kasan_check_write+0x14/0x20 [ 382.132704] ? do_raw_spin_lock+0xc1/0x200 [ 382.136939] ? trace_hardirqs_off+0xd/0x10 [ 382.141168] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 382.146272] ? debug_check_no_obj_freed+0x2ff/0x584 [ 382.151294] ? mark_held_locks+0xc9/0x160 [ 382.155437] ? quarantine_put+0xeb/0x190 [ 382.159499] snd_pcm_hw_param_first+0x30e/0x680 [ 382.164170] snd_pcm_hw_param_near.constprop.35+0x6e2/0xb10 [ 382.169882] ? _snd_pcm_hw_param_min+0x570/0x570 [ 382.174637] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.179644] ? rate_src_frames+0x22d/0x2e0 [ 382.183873] ? rate_dst_frames+0x2e0/0x2e0 [ 382.188098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.193628] ? snd_pcm_plug_slave_size+0x1d0/0x350 [ 382.198556] snd_pcm_oss_change_params_locked+0x1bb1/0x3ce0 [ 382.204276] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 382.210154] ? lock_downgrade+0x8e0/0x8e0 [ 382.214297] ? graph_lock+0x170/0x170 [ 382.218097] ? perf_trace_run_bpf_submit+0x246/0x370 [ 382.223205] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 382.228130] ? wait_for_completion+0x870/0x870 [ 382.232711] ? lock_downgrade+0x8e0/0x8e0 [ 382.236877] snd_pcm_oss_change_params+0x80/0xe0 [ 382.241627] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 382.247860] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 382.252265] ? perf_trace_run_bpf_submit+0x23f/0x370 [ 382.257367] ? snd_pcm_oss_release+0x290/0x290 [ 382.261954] ? graph_lock+0x170/0x170 [ 382.265748] ? find_held_lock+0x36/0x1c0 [ 382.269813] ? lock_downgrade+0x8e0/0x8e0 [ 382.273961] ? rcu_is_watching+0x85/0x140 [ 382.278104] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 382.283317] ? __fget+0x40c/0x650 [ 382.286773] ? match_held_lock+0x881/0x8b0 [ 382.291005] ? expand_files.part.8+0x9a0/0x9a0 [ 382.295587] ? kasan_check_write+0x14/0x20 [ 382.299819] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 382.304761] ? wait_for_completion+0x870/0x870 [ 382.309342] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 382.314533] ? snd_pcm_oss_release+0x290/0x290 [ 382.319116] do_vfs_ioctl+0x1cf/0x1650 [ 382.323013] ? ioctl_preallocate+0x2e0/0x2e0 [ 382.327423] ? fget_raw+0x20/0x20 [ 382.330880] ? __sb_end_write+0xac/0xe0 [ 382.334862] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.340402] ? fput+0x130/0x1a0 [ 382.343697] ? ksys_write+0x1a6/0x250 [ 382.347544] ? security_file_ioctl+0x94/0xc0 [ 382.351953] ksys_ioctl+0xa9/0xd0 [ 382.355410] SyS_ioctl+0x24/0x30 [ 382.358778] ? ksys_ioctl+0xd0/0xd0 [ 382.362414] do_syscall_64+0x29e/0x9d0 [ 382.366299] ? vmalloc_sync_all+0x30/0x30 [ 382.370447] ? _raw_spin_unlock_irq+0x27/0x70 [ 382.374944] ? finish_task_switch+0x1ca/0x820 [ 382.379449] ? syscall_return_slowpath+0x5c0/0x5c0 [ 382.384384] ? syscall_return_slowpath+0x30f/0x5c0 [ 382.389328] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 382.394700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.399559] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 382.404750] RIP: 0033:0x455259 [ 382.407937] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 382.415650] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 382.422919] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 382.430796] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/09 20:36:13 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x88ffffff, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 382.438064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 382.445332] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000015 [ 382.471953] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:13 executing program 2: r0 = socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r0, 0x29, 0xd3, &(0x7f0000000080)={{0xa, 0x4e21, 0x6, @mcast1={0xff, 0x1, [], 0x1}}, {0xa, 0x4e21, 0x100000000, @dev={0xfe, 0x80, [], 0x15}, 0x2}, 0x100000000, [0x9, 0xd0, 0x0, 0x2, 0xdab3, 0x1, 0x101, 0xf50]}, 0x5c) r1 = socket$inet6(0xa, 0x400000000001, 0x0) getsockopt$inet_int(r0, 0x0, 0xe, &(0x7f0000000180), &(0x7f00000001c0)=0x4) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r1, &(0x7f0000000000), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto(r1, &(0x7f0000000000)="f16650b61dfab9a0cb1c7935a5bfec66606826d84247052a3f0627db7e5955af7225066e7cfc3cffc4394526e57a1312e923f1393b", 0x35, 0x1, &(0x7f0000000100)=@vsock={0x28, 0x0, 0xffffffff, @hyper}, 0x80) r2 = creat(&(0x7f0000000200)='./file0\x00', 0x100) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0106426, &(0x7f0000000280)={0x3, &(0x7f0000000240)=[{}, {}, {}]}) 2018/04/09 20:36:13 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) [ 382.486418] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 382.528173] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:13 executing program 4 (fault-call:2 fault-nth:22): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:13 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x80fe, 0x1}}, 0x1c) 2018/04/09 20:36:13 executing program 2: r0 = socket$inet_dccp(0x2, 0x6, 0x0) r1 = gettid() keyctl$session_to_parent(0x12) ioctl$sock_SIOCSPGRP(r0, 0x8902, &(0x7f00000061c0)=r1) ioctl$sock_ifreq(r0, 0x89f7, &(0x7f0000000140)={'tunl0\x00', @ifru_map={0x80, 0x4, 0x6, 0x20, 0x80000000}}) r2 = socket$inet6(0xa, 0x400000000001, 0x0) r3 = syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0xe75b, 0x24000) perf_event_open(&(0x7f0000000080)={0x4, 0x70, 0x1, 0x8, 0x7a29, 0x5, 0x0, 0x9, 0x100, 0x4, 0x7852, 0x80000000, 0xffff, 0x4dd5, 0x6, 0x8, 0x7, 0x2, 0x3, 0x1, 0x7, 0x3, 0x80, 0x5, 0x5, 0xfff, 0x7f805538, 0x6, 0x3a09, 0x6, 0x5ce, 0x0, 0x6, 0xa3, 0x0, 0x5, 0xffffffff, 0x6e, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x4000, 0x9, 0x2d36, 0x1, 0x1, 0x8, 0x1000}, r1, 0x9, r3, 0xa) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r2, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:13 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x3801, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:13 executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) lseek(r0, 0x0, 0x1) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3e2, 0x100000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x8, 0x0, 0x800, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x76a, 0x7}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) listxattr(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)=""/33, 0x21) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f00000001c0)={{0x2}, {}, 0x0, {0x2, 0x0, @multicast1=0xe0000001}, 'lo\x00'}) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r2) 2018/04/09 20:36:13 executing program 1: r0 = syz_open_dev$mouse(&(0x7f0000000200)='/dev/input/mouse#\x00', 0x2, 0x200) accept$ipx(r0, 0x0, &(0x7f0000000180)) r1 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x2) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r1, 0x800442d2, &(0x7f00000000c0)={0x5, &(0x7f0000000000)=[{0x0, 0x0, 0x0, @random}, {}, {0x0, 0x0, 0x0, @random}, {}, {0x0, 0x0, 0x0, @random}]}) fdatasync(r1) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f00000001c0)) bind$vsock_dgram(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x2711, @any=0xffffffff}, 0x10) syz_open_dev$sndpcmp(&(0x7f0000000140)='/dev/snd/pcmC#D#p\x00', 0x8, 0x40040) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000000240)=""/89) 2018/04/09 20:36:13 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:13 executing program 7: r0 = inotify_init1(0x0) r1 = memfd_create(&(0x7f0000000180)='}wlan1\x00', 0x1) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f00000001c0)={0x0, 0x29, "f83a4dc2c017e69420fc608c0c8c16559793e66a1accf406478d2617506a07ccb669add41547e69042"}, &(0x7f0000000200)=0x31) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000240)={r2, @in6={{0xa, 0x4e21, 0x80000000, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x8}}}, 0x84) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = getpgrp(0x0) kcmp(r3, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r5 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x0, 0x4100) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000080)={0x0, 0x100000000, 0x3}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0x10, &(0x7f0000000100)=@sack_info={r6, 0x10001, 0x401}, &(0x7f0000000140)=0xc) [ 382.821641] FAULT_INJECTION: forcing a failure. [ 382.821641] name failslab, interval 1, probability 0, space 0, times 0 [ 382.832957] CPU: 1 PID: 27242 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 382.839892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.846258] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 382.849247] Call Trace: [ 382.849272] dump_stack+0x1b9/0x294 [ 382.849293] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.849314] ? lock_downgrade+0x8e0/0x8e0 [ 382.873421] should_fail.cold.4+0xa/0x1a [ 382.877503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.882639] ? graph_lock+0x170/0x170 [ 382.886355] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 382.886472] ? kernel_text_address+0x79/0xf0 [ 382.899441] ? __unwind_start+0x166/0x330 [ 382.903604] ? find_held_lock+0x36/0x1c0 [ 382.907671] ? __lock_is_held+0xb5/0x140 [ 382.911751] ? check_same_owner+0x320/0x320 [ 382.916079] ? snd_pcm_hw_param_first+0x30e/0x680 [ 382.920928] ? snd_pcm_hw_param_near.constprop.35+0x6e2/0xb10 [ 382.922648] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 382.926818] ? snd_pcm_oss_change_params_locked+0x1bb1/0x3ce0 [ 382.926836] ? rcu_note_context_switch+0x710/0x710 [ 382.926852] ? do_vfs_ioctl+0x1cf/0x1650 [ 382.926865] ? ksys_ioctl+0xa9/0xd0 [ 382.926879] ? SyS_ioctl+0x24/0x30 [ 382.926900] __should_failslab+0x124/0x180 [ 382.926918] should_failslab+0x9/0x14 [ 382.926937] __kmalloc+0x2c8/0x760 [ 382.969034] ? do_raw_spin_lock+0xc1/0x200 [ 382.973286] ? trace_hardirqs_off+0xd/0x10 [ 382.977538] ? constrain_params_by_rules+0x141/0x1360 [ 382.982752] constrain_params_by_rules+0x141/0x1360 [ 382.987784] ? __lock_acquire+0x7f5/0x5130 [ 382.992029] ? quarantine_put+0xeb/0x190 [ 382.996100] ? kfree+0x111/0x260 [ 382.999479] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 383.004700] ? debug_check_no_locks_freed+0x310/0x310 [ 383.009916] ? constrain_params_by_rules+0xa3d/0x1360 [ 383.015144] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 383.020356] ? perf_trace_lock+0xd6/0x900 [ 383.024507] ? lock_downgrade+0x8e0/0x8e0 [ 383.028660] ? zap_class+0x720/0x720 [ 383.032379] ? rcu_is_watching+0x85/0x140 [ 383.036533] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.041554] ? snd_interval_refine+0x428/0x700 [ 383.046152] snd_pcm_hw_refine+0x8e9/0x1180 [ 383.050500] ? constrain_params_by_rules+0x1360/0x1360 [ 383.055784] ? find_held_lock+0x36/0x1c0 [ 383.059855] ? print_usage_bug+0xc0/0xc0 [ 383.063931] ? lock_downgrade+0x8e0/0x8e0 [ 383.068084] ? lock_release+0xa10/0xa10 2018/04/09 20:36:13 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = dup(r0) getsockname$ipx(r1, &(0x7f0000000000), &(0x7f0000000040)=0x10) 2018/04/09 20:36:13 executing program 7: r0 = inotify_init1(0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000c00)='/dev/sequencer2\x00', 0x80000, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000c40)={0x0, 0x4, 0x7}, &(0x7f0000000c80)=0x8) setsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000cc0)={r2, 0x1000, 0x1, 0x1, 0x2, 0x7}, 0x14) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) acct(&(0x7f0000000040)='./file0\x00') r4 = getpgrp(0x0) kcmp(r3, r4, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) 2018/04/09 20:36:13 executing program 0: r0 = accept4$inet(0xffffffffffffff9c, &(0x7f0000000000)={0x0, 0x0, @loopback}, &(0x7f0000000040)=0x10, 0x80800) fdatasync(r0) r1 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x91c, 0x0) ioctl$RNDZAPENTCNT(r1, 0x5204, &(0x7f00000000c0)=0x8) 2018/04/09 20:36:13 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:13 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x600, 0x6, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 383.072068] ? kasan_check_read+0x11/0x20 [ 383.076230] ? do_raw_spin_unlock+0x9e/0x2e0 [ 383.080647] ? mark_held_locks+0xc9/0x160 [ 383.084810] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 383.089870] snd_pcm_hw_params+0x2a9/0x1e20 [ 383.094209] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 383.099330] ? debug_check_no_obj_freed+0x2ff/0x584 [ 383.104368] ? snd_pcm_hw_refine+0x1180/0x1180 [ 383.108976] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.114023] ? snd_pcm_hw_param_value+0x112/0x550 [ 383.114042] ? snd_pcm_hw_param_first+0x2eb/0x680 2018/04/09 20:36:13 executing program 1: syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x1) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_sys\x00', 0x0, 0x0) ioctl$KVM_SET_CPUID(r0, 0x4008ae8a, &(0x7f00000002c0)=ANY=[@ANYBLOB="080000000000000001930080ffffffff0300000008000000f9ffffff00000000000000800056000000400000070000000200000000000010060000000200002472d2e2bd2589f4001400000040000000ee6c000000000000010000c00800000001857b80220000000100000000f60b18e5f4e4cd867e000a74681bb62c3a59eb9a681d9d070000000700000007000000080080000000000000000000010000005d0d0000ff000005c7ce42ab03a43de95300000000000000010000c0780000000000000d0000c00200110f09dd50e9b1db7fdd97fa3ea04ca372bc4b39aff200000000000000"]) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000040)=@assoc_value={0x0, 0xfa}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000000c0)={r1, 0x7, 0x33}, &(0x7f0000000140)=0xc) fdatasync(r0) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000280)) ioctl$VHOST_GET_VRING_ENDIAN(r0, 0x4008af14, &(0x7f0000000100)={0x0, 0x8000}) 2018/04/09 20:36:13 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) open_by_handle_at(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB="2c000000ff070000462e9420711d48d3de72968b3e44744f7451f04ee83904da72ac39ccc6089fcb625f027c"], 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000000), &(0x7f0000000080)=0x4) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/09 20:36:13 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x0, 0x7, 'C{Q', 0x108, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 383.114063] ? snd_pcm_hw_param_near.constprop.35+0x6e9/0xb10 [ 383.114082] ? _snd_pcm_hw_param_min+0x570/0x570 [ 383.114102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.114116] ? rate_src_frames+0x22d/0x2e0 [ 383.114133] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 383.114150] snd_pcm_kernel_ioctl+0x6c/0x240 [ 383.114172] snd_pcm_oss_change_params_locked+0x1be8/0x3ce0 [ 383.114202] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 383.114218] ? lock_downgrade+0x8e0/0x8e0 [ 383.114231] ? debug_check_no_locks_freed+0x310/0x310 [ 383.114246] ? graph_lock+0x170/0x170 [ 383.114270] ? debug_check_no_locks_freed+0x310/0x310 [ 383.114281] ? print_usage_bug+0xc0/0xc0 [ 383.114302] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 383.114322] ? wait_for_completion+0x870/0x870 [ 383.114338] ? lock_downgrade+0x8e0/0x8e0 [ 383.114366] snd_pcm_oss_change_params+0x80/0xe0 [ 383.114381] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 383.114399] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 383.114416] ? _parse_integer+0x190/0x190 [ 383.114434] ? snd_pcm_oss_release+0x290/0x290 [ 383.114458] ? graph_lock+0x170/0x170 [ 383.114474] ? find_held_lock+0x36/0x1c0 [ 383.114499] ? lock_downgrade+0x8e0/0x8e0 [ 383.114520] ? rcu_is_watching+0x85/0x140 [ 383.114534] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 383.114558] ? __fget+0x40c/0x650 [ 383.114573] ? match_held_lock+0x881/0x8b0 [ 383.114589] ? expand_files.part.8+0x9a0/0x9a0 [ 383.114603] ? kasan_check_write+0x14/0x20 [ 383.114615] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 383.114633] ? wait_for_completion+0x870/0x870 [ 383.114647] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 383.114677] ? snd_pcm_oss_release+0x290/0x290 [ 383.114693] do_vfs_ioctl+0x1cf/0x1650 [ 383.114711] ? ioctl_preallocate+0x2e0/0x2e0 [ 383.114726] ? fget_raw+0x20/0x20 [ 383.114742] ? __sb_end_write+0xac/0xe0 [ 383.114763] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.114775] ? fput+0x130/0x1a0 [ 383.114792] ? ksys_write+0x1a6/0x250 [ 383.114812] ? security_file_ioctl+0x94/0xc0 [ 383.114831] ksys_ioctl+0xa9/0xd0 [ 383.114850] SyS_ioctl+0x24/0x30 [ 383.114864] ? ksys_ioctl+0xd0/0xd0 [ 383.114881] do_syscall_64+0x29e/0x9d0 [ 383.114896] ? vmalloc_sync_all+0x30/0x30 [ 383.114911] ? _raw_spin_unlock_irq+0x27/0x70 [ 383.114928] ? finish_task_switch+0x1ca/0x820 [ 383.114945] ? syscall_return_slowpath+0x5c0/0x5c0 [ 383.114963] ? syscall_return_slowpath+0x30f/0x5c0 [ 383.114984] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 383.115004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.115028] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 383.115041] RIP: 0033:0x455259 [ 383.115049] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 383.115066] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 383.115075] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 383.115084] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 383.115092] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 383.115101] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000016 [ 383.129831] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 383.130555] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) 2018/04/09 20:36:14 executing program 4 (fault-call:2 fault-nth:23): perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000000c0), &(0x7f0000000100)=0x8) 2018/04/09 20:36:14 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0xffffff84, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x80000000, 0x80000000000) fdatasync(r0) 2018/04/09 20:36:14 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000000), &(0x7f0000000080)=0x14) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x400600, 0x0) ioctl$SIOCSIFMTU(r1, 0x8922, &(0x7f0000000100)={'gretap0\x00', 0x3e}) 2018/04/09 20:36:14 executing program 7: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) kcmp(r1, r2, 0x6, 0xffffffffffffffff, 0xffffffffffffffff) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='pids.events\x00', 0x0, 0x0) ioctl$ASHMEM_GET_PROT_MASK(r3, 0x7706, &(0x7f0000000140)) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000080)={0x7, r0}) ioctl$KVM_TRANSLATE(r4, 0xc018ae85, &(0x7f00000000c0)={0x10000, 0x0, 0x1, 0x8000, 0x2}) 2018/04/09 20:36:14 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000080)={0x0, @in={{0x2}}, 0x0, 0x0, 0x200, 0x0, 0x10}, 0x98) sendto$inet6(r0, &(0x7f000023effe)="7f", 0x1, 0x0, &(0x7f000010e000)={0xa, 0x0, 0x0, @loopback={0x6, 0x1}}, 0x1c) 2018/04/09 20:36:14 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r0) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x0, 0x400100) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000080)='team\x00') ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffff9c, 0x8933, &(0x7f0000000280)={'team0\x00', 0x0}) getsockname$packet(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, 0x0}, &(0x7f0000000300)=0x14) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000340)={{{@in=@local, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@dev}}, &(0x7f0000000440)=0xe8) getsockname$packet(0xffffffffffffff9c, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f00000004c0)=0x14) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000580)={{{@in6=@ipv4={[], [], @broadcast}, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in6=@dev}}, &(0x7f0000000680)=0xe8) accept4$packet(0xffffffffffffff9c, &(0x7f00000029c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000002a00)=0x14, 0x800) accept4$packet(0xffffffffffffffff, &(0x7f0000002a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000002a80)=0x14, 0x800) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000002ac0)={{{@in6=@local, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@local}}, &(0x7f0000002bc0)=0xe8) getpeername$packet(0xffffffffffffff9c, &(0x7f0000002c00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000002c40)=0x14) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000002c80)={{{@in6=@mcast2, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@ipv4={[], [], @multicast1}}}, &(0x7f0000002d80)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000003200)={{{@in6=@loopback, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@multicast1}}, &(0x7f0000003300)=0xe8) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000003340)={0x0, @empty, @dev}, &(0x7f0000003380)=0xc) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffff9c, 0x8933, &(0x7f0000003540)={'vcan0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffff9c, 0x8933, &(0x7f0000003680)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(0xffffffffffffff9c, 0x8933, &(0x7f0000003980)={'tunl0\x00', 0x0}) accept4$packet(0xffffffffffffffff, &(0x7f0000003d80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000003dc0)=0x14, 0x800) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000003e00)={'ip6_vti0\x00', 0x0}) accept$packet(0xffffffffffffff9c, &(0x7f0000003e40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000003e80)=0x14) getpeername$packet(0xffffffffffffff9c, &(0x7f000000cd00)={0x0, 0x0, 0x0}, &(0x7f000000cd40)=0x14) sendmsg$TEAM_CMD_NOOP(r1, &(0x7f000000d780)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f000000d740)={&(0x7f000000cd80)={0x98c, r2, 0x8, 0x70bd26, 0x25dfdbfe, {}, [{{0x8, 0x1, r3}, {0x1f4, 0x2, [{0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x200}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r4}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'broadcast\x00'}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x2}}, {0x8, 0x6, r5}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r6}}, {0x8, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r7}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4}}, {0x8, 0x7}}}]}}, {{0x8, 0x1, r8}, {0x14c, 0x2, [{0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x2}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r9}}}]}}, {{0x8, 0x1, r10}, {0x3c, 0x2, [{0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xa7}}}]}}, {{0x8, 0x1, r11}, {0x250, 0x2, [{0x3c, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'random\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r12}}, {0x8, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7f}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xecb7}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'broadcast\x00'}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7ff}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x40}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x5764}}, {0x8, 0x6, r13}}}]}}, {{0x8, 0x1, r14}, {0x1f8, 0x2, [{0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x4}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x1}}, {0x8, 0x6, r15}}}, {0x54, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x24, 0x4, [{0x9, 0x9155, 0x400, 0x65}, {0x3, 0x200, 0xbe, 0x6}, {0xffff, 0x1, 0x1, 0x3ff}, {0x5, 0x100000000, 0x7d, 0x1}]}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'roundrobin\x00'}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0xfffffffffffffff7}}, {0x8, 0x7}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r16}}}, {0x34, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x4, 0x4}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x200}}}]}}, {{0x8, 0x1, r17}, {0x13c, 0x2, [{0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r18}}}, {0x4c, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x1c, 0x4, [{0xb33, 0x9, 0x400000008000, 0xd0}, {0x9, 0x0, 0x3, 0x10000}, {0x5, 0xfffffffffffffff8, 0x1ff, 0x9}]}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3}}, {0x8, 0x6, r19}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xcc}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x200}}}]}}, {{0x8, 0x1, r20}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r21}}}]}}]}, 0x98c}, 0x1, 0x0, 0x0, 0x10}, 0x20040000) setsockopt$inet6_mreq(r1, 0x29, 0x0, &(0x7f00000000c0)={@loopback={0x0, 0x1}, r19}, 0x14) [ 383.809293] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 383.822854] FAULT_INJECTION: forcing a failure. [ 383.822854] name failslab, interval 1, probability 0, space 0, times 0 [ 383.834204] CPU: 1 PID: 27311 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 383.841138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.850497] Call Trace: [ 383.853124] dump_stack+0x1b9/0x294 [ 383.856776] ? dump_stack_print_info.cold.2+0x52/0x52 [ 383.861994] should_fail.cold.4+0xa/0x1a [ 383.866074] ? kernel_text_address+0x79/0xf0 [ 383.870510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.875648] ? __save_stack_trace+0x7e/0xd0 [ 383.879999] ? graph_lock+0x170/0x170 [ 383.883830] ? find_held_lock+0x36/0x1c0 [ 383.887910] ? __lock_is_held+0xb5/0x140 [ 383.888169] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 383.891986] ? check_same_owner+0x320/0x320 [ 383.892004] ? do_raw_spin_lock+0xc1/0x200 [ 383.892024] ? rcu_note_context_switch+0x710/0x710 [ 383.892042] ? trace_hardirqs_off+0xd/0x10 [ 383.892057] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 383.892078] __should_failslab+0x124/0x180 [ 383.927696] should_failslab+0x9/0x14 [ 383.931504] __kmalloc+0x2c8/0x760 [ 383.935053] ? mark_held_locks+0xc9/0x160 [ 383.939207] ? quarantine_put+0xeb/0x190 [ 383.943283] ? constrain_params_by_rules+0x141/0x1360 [ 383.948489] constrain_params_by_rules+0x141/0x1360 [ 383.953516] ? trace_hardirqs_on+0xd/0x10 2018/04/09 20:36:14 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x20480, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 1: r0 = accept$inet(0xffffffffffffff9c, &(0x7f0000000200)={0x0, 0x0, @remote}, &(0x7f0000000240)=0x10) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={0x0, 0x1f}, &(0x7f00000002c0)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000300)={r1, 0x0, 0x20}, 0xc) r2 = syz_open_dev$loop(&(0x7f0000000780)='/dev/loop#\x00', 0xfffffffffffffffe, 0x0) fdatasync(r2) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x400000, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0xa0, &(0x7f0000000040)=[@in6={0xa, 0x4e23, 0x9, @empty, 0x7}, @in6={0xa, 0x4e23, 0x4, @empty, 0xfffffffffffffffa}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in6={0xa, 0x4e24, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x7}, @in={0x2, 0x4e20, @multicast1=0xe0000001}, @in={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0xb}}, @in6={0xa, 0x4e20, 0x4, @empty, 0x7}]}, &(0x7f0000000140)=0x10) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r3, 0x84, 0x17, &(0x7f0000000180)={r4, 0x800, 0x75, "1bcea480ff171f1736020328f2eaef5a76691cd2ab4a2b4c10f84bda68f51c2ae6fcc16374f1ddd99ff853c09c36a7cd5ef930b69d23add799b9d47f3ff2996d2401cf8aab7fcfa9efe677c3a3c206152896c3449e0a48a55cbfc0034783f7524be7517283c8e9980389afd3cd73286cea97492d8b"}, 0x7d) 2018/04/09 20:36:14 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x3801000000000000, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 2: r0 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x7530}, 0x10) sendto$inet6(r0, &(0x7f0000e77fff), 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x3, 0x8000) setsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f00000001c0)=0x5, 0x4) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000002c0)={0x0, 0xbc, &(0x7f0000000200)=[@in={0x2, 0x4e20}, @in6={0xa, 0x4e21, 0x1, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, @in6={0xa, 0x4e21, 0x7ff, @mcast1={0xff, 0x1, [], 0x1}, 0x10001}, @in6={0xa, 0x4e20, 0x1, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, @in={0x2, 0x4e22, @multicast1=0xe0000001}, @in6={0xa, 0x4e21, 0x1f, @ipv4={[], [0xff, 0xff], @rand_addr=0x6d61}, 0x800}, @in6={0xa, 0x4e23, 0xbaea, @local={0xfe, 0x80, [], 0xaa}, 0x800}, @in={0x2, 0x4e23}]}, &(0x7f0000000300)=0x10) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000340)={r2, 0x1}, 0x8) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000080)={0x0, 0x6}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000100)={r3, @in={{0x2, 0x4e24}}, 0x1, 0x40, 0x7fff, 0x5}, 0x98) [ 383.954539] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 383.957685] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 383.957709] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 383.957729] ? debug_check_no_locks_freed+0x310/0x310 [ 383.957748] ? constrain_params_by_rules+0xa3d/0x1360 [ 383.987077] ? snd_pcm_mmap_control_fault+0x3e0/0x3e0 [ 383.992294] ? perf_trace_lock+0xd6/0x900 [ 383.996459] ? lock_downgrade+0x8e0/0x8e0 [ 383.998222] generic_make_request: Trying to write to read-only block-device loop4 (partno 0) [ 384.000615] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.000632] ? snd_interval_refine+0x428/0x700 [ 384.000654] snd_pcm_hw_refine+0x8e9/0x1180 [ 384.000667] ? snd_interval_refine+0x428/0x700 [ 384.000690] ? constrain_params_by_rules+0x1360/0x1360 [ 384.033525] ? constrain_params_by_rules+0x1360/0x1360 [ 384.038817] ? find_held_lock+0x36/0x1c0 [ 384.042890] ? print_usage_bug+0xc0/0xc0 [ 384.046972] ? graph_lock+0x170/0x170 [ 384.050780] ? lock_downgrade+0x8e0/0x8e0 [ 384.054948] ? lock_release+0xa10/0xa10 2018/04/09 20:36:14 executing program 3: syz_emit_ethernet(0x6e, &(0x7f00000f8000)={@random="cd390b081bf2", @dev={[0xaa, 0xaa, 0xaa, 0xaa]}, [], {@ipv6={0x86dd, {0x0, 0x6, "08de06", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @mcast2={0xff, 0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x2f, 0x0, @loopback={0x0, 0x1}, @loopback={0x0, 0x1}, [], "fca967e17f791010"}}}}}}}, 0x0) 2018/04/09 20:36:14 executing program 6: syz_emit_ethernet(0x13e, &(0x7f0000000000)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv6={0x86dd, {0x0, 0x6, 'C{Q', 0x108, 0x3001000000000000, 0x0, @local={0xfe, 0x80, [], 0xaa}, @remote={0xfe, 0x80, [], 0xbb}, {[], @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, [], "6199a5532890f72e5ba8f3ecb6f58da12ee4f135e28db11e2f5c0354e5edaecd9d8db1ab78b91c9cf67080204fb9ae1cebda7607ee99cb146946d4c9601b69ea3a1480405eacbf822ef04d103433d535bcc3fd96d90babcfd9"}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd, [], "0bf90068e9fc9dbb207879222f98d2282f89c91c9468f1cb4b5078117b33fe33903ae9b4aca3400cbd55a6"}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558, 0x0, "27a7dadcd8870fabf40b8c31b4c2b320a8d2e8ad03b2877f08cc91ef48040d516317773ac8495d740d11fd0f06f19429f9d88b54826f7b2239ce4aa6ff37fc6a"}}}}}}}, 0x0) [ 384.058934] ? kasan_check_read+0x11/0x20 [ 384.063095] ? __lock_is_held+0xb5/0x140 [ 384.067167] snd_pcm_hw_param_first+0x30e/0x680 [ 384.071853] snd_pcm_hw_params+0x340/0x1e20 [ 384.076193] ? snd_pcm_hw_refine+0x1180/0x1180 [ 384.080793] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.085819] ? snd_pcm_hw_param_value+0x112/0x550 [ 384.090678] ? snd_pcm_hw_param_first+0x2eb/0x680 [ 384.095534] ? snd_pcm_hw_param_near.constprop.35+0x6e9/0xb10 [ 384.101431] ? _snd_pcm_hw_param_min+0x570/0x570 [ 384.106204] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.111233] ? rate_src_frames+0x22d/0x2e0 [ 384.115483] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 384.120689] snd_pcm_kernel_ioctl+0x6c/0x240 [ 384.125116] snd_pcm_oss_change_params_locked+0x1be8/0x3ce0 [ 384.130862] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 384.136773] ? lock_downgrade+0x8e0/0x8e0 [ 384.140936] ? debug_check_no_locks_freed+0x310/0x310 [ 384.146138] ? graph_lock+0x170/0x170 [ 384.149958] ? debug_check_no_locks_freed+0x310/0x310 [ 384.155157] ? print_usage_bug+0xc0/0xc0 [ 384.159235] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 384.164175] ? wait_for_completion+0x870/0x870 [ 384.168768] ? lock_downgrade+0x8e0/0x8e0 [ 384.172941] snd_pcm_oss_change_params+0x80/0xe0 [ 384.177715] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 384.183968] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 384.188420] ? _parse_integer+0x190/0x190 [ 384.192596] ? snd_pcm_oss_release+0x290/0x290 [ 384.197201] ? graph_lock+0x170/0x170 [ 384.201020] ? find_held_lock+0x36/0x1c0 [ 384.205111] ? lock_downgrade+0x8e0/0x8e0 [ 384.209272] ? rcu_is_watching+0x85/0x140 [ 384.213431] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 384.218638] ? __fget+0x40c/0x650 [ 384.222109] ? match_held_lock+0x881/0x8b0 [ 384.226354] ? expand_files.part.8+0x9a0/0x9a0 [ 384.230949] ? kasan_check_write+0x14/0x20 [ 384.235194] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 384.240140] ? wait_for_completion+0x870/0x870 [ 384.244740] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 384.249950] ? snd_pcm_oss_release+0x290/0x290 [ 384.254547] do_vfs_ioctl+0x1cf/0x1650 [ 384.258459] ? ioctl_preallocate+0x2e0/0x2e0 [ 384.262878] ? fget_raw+0x20/0x20 [ 384.266340] ? __sb_end_write+0xac/0xe0 [ 384.270330] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.275871] ? fput+0x130/0x1a0 [ 384.279160] ? ksys_write+0x1a6/0x250 [ 384.282971] ? security_file_ioctl+0x94/0xc0 [ 384.287390] ksys_ioctl+0xa9/0xd0 [ 384.290870] SyS_ioctl+0x24/0x30 [ 384.294243] ? ksys_ioctl+0xd0/0xd0 [ 384.297883] do_syscall_64+0x29e/0x9d0 [ 384.301783] ? vmalloc_sync_all+0x30/0x30 [ 384.305940] ? _raw_spin_unlock_irq+0x27/0x70 [ 384.310446] ? finish_task_switch+0x1ca/0x820 [ 384.314959] ? syscall_return_slowpath+0x5c0/0x5c0 [ 384.319910] ? syscall_return_slowpath+0x30f/0x5c0 [ 384.324860] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 384.330244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.335109] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 384.340308] RIP: 0033:0x455259 [ 384.344483] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 384.352204] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 384.359481] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 384.366757] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 384.374039] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 384.381329] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000017 [ 384.389044] WARNING: CPU: 1 PID: 27311 at sound/core/pcm_native.c:620 snd_pcm_hw_params+0x65a/0x1e20 [ 384.398339] Kernel panic - not syncing: panic_on_warn set ... [ 384.398339] [ 384.405718] CPU: 1 PID: 27311 Comm: syz-executor4 Not tainted 4.16.0+ #16 [ 384.412648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.422004] Call Trace: [ 384.424598] dump_stack+0x1b9/0x294 [ 384.428225] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.433407] ? snd_pcm_hw_params+0x5f0/0x1e20 [ 384.437893] panic+0x22f/0x4de [ 384.441087] ? add_taint.cold.5+0x16/0x16 [ 384.445223] ? __warn.cold.8+0x148/0x1a3 [ 384.449286] ? snd_pcm_hw_params+0x65a/0x1e20 [ 384.453769] __warn.cold.8+0x163/0x1a3 [ 384.457643] ? snd_pcm_hw_params+0x65a/0x1e20 [ 384.462128] report_bug+0x252/0x2d0 [ 384.465760] do_error_trap+0x1de/0x490 [ 384.469645] ? math_error+0x420/0x420 [ 384.473438] ? print_usage_bug+0xc0/0xc0 [ 384.477487] ? graph_lock+0x170/0x170 [ 384.481269] ? lock_downgrade+0x8e0/0x8e0 [ 384.485409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.490254] do_invalid_op+0x1b/0x20 [ 384.493966] invalid_op+0x1b/0x40 [ 384.497408] RIP: 0010:snd_pcm_hw_params+0x65a/0x1e20 [ 384.502503] RSP: 0018:ffff88018bdcf288 EFLAGS: 00010246 [ 384.507868] RAX: 0000000000040000 RBX: 00000000fffffff4 RCX: ffffc900072ea000 [ 384.515125] RDX: 0000000000040000 RSI: ffffffff85a20a6a RDI: 0000000000000005 [ 384.522379] RBP: ffff88018bdcf4d8 R08: ffff8801c9abe040 R09: ffffed003b6246c2 [ 384.529634] R10: ffffed003b6246c2 R11: ffff8801db123613 R12: ffffffff8826949c [ 384.536890] R13: ffff8801ceb8b240 R14: ffff8801c8aa0d80 R15: dffffc0000000000 [ 384.544168] ? snd_pcm_hw_params+0x65a/0x1e20 [ 384.548657] ? snd_pcm_hw_params+0x65a/0x1e20 [ 384.553143] ? snd_pcm_hw_refine+0x1180/0x1180 [ 384.557716] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.562719] ? snd_pcm_hw_param_value+0x112/0x550 [ 384.567555] ? snd_pcm_hw_param_first+0x2eb/0x680 [ 384.572388] ? snd_pcm_hw_param_near.constprop.35+0x6e9/0xb10 [ 384.578262] ? _snd_pcm_hw_param_min+0x570/0x570 [ 384.583011] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.588053] ? rate_src_frames+0x22d/0x2e0 [ 384.592295] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 384.597476] snd_pcm_kernel_ioctl+0x6c/0x240 [ 384.601875] snd_pcm_oss_change_params_locked+0x1be8/0x3ce0 [ 384.607598] ? snd_pcm_hw_param_near.constprop.35+0xb10/0xb10 [ 384.613484] ? lock_downgrade+0x8e0/0x8e0 [ 384.617623] ? debug_check_no_locks_freed+0x310/0x310 [ 384.622805] ? graph_lock+0x170/0x170 [ 384.626600] ? debug_check_no_locks_freed+0x310/0x310 [ 384.631778] ? print_usage_bug+0xc0/0xc0 [ 384.635837] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 384.640762] ? wait_for_completion+0x870/0x870 [ 384.645334] ? lock_downgrade+0x8e0/0x8e0 [ 384.649489] snd_pcm_oss_change_params+0x80/0xe0 [ 384.654234] snd_pcm_oss_get_active_substream.part.27+0x136/0x190 [ 384.660456] snd_pcm_oss_ioctl+0x2452/0x3f00 [ 384.664857] ? _parse_integer+0x190/0x190 [ 384.668995] ? snd_pcm_oss_release+0x290/0x290 [ 384.673578] ? graph_lock+0x170/0x170 [ 384.677367] ? find_held_lock+0x36/0x1c0 [ 384.681425] ? lock_downgrade+0x8e0/0x8e0 [ 384.685568] ? rcu_is_watching+0x85/0x140 [ 384.689703] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 384.694891] ? __fget+0x40c/0x650 [ 384.698335] ? match_held_lock+0x881/0x8b0 [ 384.702576] ? expand_files.part.8+0x9a0/0x9a0 [ 384.707150] ? kasan_check_write+0x14/0x20 [ 384.711373] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 384.716293] ? wait_for_completion+0x870/0x870 [ 384.720866] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 384.726046] ? snd_pcm_oss_release+0x290/0x290 [ 384.730622] do_vfs_ioctl+0x1cf/0x1650 [ 384.734505] ? ioctl_preallocate+0x2e0/0x2e0 [ 384.738902] ? fget_raw+0x20/0x20 [ 384.742342] ? __sb_end_write+0xac/0xe0 [ 384.746311] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.751835] ? fput+0x130/0x1a0 [ 384.755099] ? ksys_write+0x1a6/0x250 [ 384.758893] ? security_file_ioctl+0x94/0xc0 [ 384.763291] ksys_ioctl+0xa9/0xd0 [ 384.766734] SyS_ioctl+0x24/0x30 [ 384.770092] ? ksys_ioctl+0xd0/0xd0 [ 384.773711] do_syscall_64+0x29e/0x9d0 [ 384.777587] ? vmalloc_sync_all+0x30/0x30 [ 384.781722] ? _raw_spin_unlock_irq+0x27/0x70 [ 384.786205] ? finish_task_switch+0x1ca/0x820 [ 384.790686] ? syscall_return_slowpath+0x5c0/0x5c0 [ 384.795603] ? syscall_return_slowpath+0x30f/0x5c0 [ 384.800526] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 384.805883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.810720] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 384.815898] RIP: 0033:0x455259 [ 384.819071] RSP: 002b:00007fb658abfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 384.826765] RAX: ffffffffffffffda RBX: 00007fb658ac06d4 RCX: 0000000000455259 [ 384.834032] RDX: 0000000020000040 RSI: 00800000c0045002 RDI: 0000000000000014 [ 384.841287] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 384.848546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 384.855805] R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000017 [ 384.863802] Dumping ftrace buffer: [ 384.867589] (ftrace buffer empty) [ 384.871285] Kernel Offset: disabled [ 384.874895] Rebooting in 86400 seconds..