INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. 2018/04/07 01:13:06 fuzzer started 2018/04/07 01:13:07 dialing manager at 10.128.0.26:38639 2018/04/07 01:13:13 kcov=true, comps=false 2018/04/07 01:13:16 executing program 0: r0 = socket(0x1e, 0x1, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000b89fe4)=@req3={0x10001, 0x0, 0x1, 0x1df9}, 0x1c) listen(r0, 0x0) accept4$ax25(r0, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x0) sendmsg(r0, &(0x7f0000030000)={&(0x7f0000001400)=@generic={0x10000000001e, "0100000900000000000000000226cc573c080000003724c71e14dd6a739effea1b48006be61ffe0000e103000000f8000004003f010039d8f986ff01000300000004af50d50700000000000000e3ad316a1983000000001d00e0dfcb24281e27800000100076c3979ac40000bd15020078a1dfd300881a8365b1b16d7436"}, 0x80, &(0x7f00000001c0), 0x0, &(0x7f00006e9c68)}, 0x0) 2018/04/07 01:13:16 executing program 1: bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000001500)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392cc50ff1fb63545849d2f5916ae2fdc24e95e12aa8daccf7393e72be9cc66f"}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x1000000000000004, 0xa5}, 0xfffffffffffffd79) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251}, 0x18) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet_udp(0x400000, 0x730000, 0x8, &(0x7f00000001c0)) 2018/04/07 01:13:16 executing program 7: accept4$netrom(0xffffffffffffff9c, 0x0, &(0x7f00000000c0), 0x80000) flistxattr(0xffffffffffffffff, &(0x7f0000000240)=""/227, 0xe3) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) ioctl$TCSETSW(r0, 0x5402, &(0x7f00009dc000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000}) r1 = syz_open_pts(r0, 0x0) readv(r1, &(0x7f00001aa000)=[{&(0x7f00006aaf01)=""/255, 0xff}], 0x1) ioctl$TCXONC(r0, 0x540a, 0x2) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) sched_setaffinity(r2, 0xc6, &(0x7f0000000000)) close(r0) memfd_create(&(0x7f0000000080)='/dev/ptmx\x00', 0x0) 2018/04/07 01:13:16 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00004c0000)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) listen(r0, 0x4043) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f000087dffe)='F', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) shutdown(r1, 0x1) r2 = accept4(r0, 0x0, &(0x7f0000da8ffc), 0x0) connect$rds(r2, &(0x7f0000000040)={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) shutdown(r2, 0x1) 2018/04/07 01:13:16 executing program 3: r0 = perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f00005d6000)='/dev/sequencer\x00', 0x0, 0x0) r1 = syz_open_dev$sndtimer(&(0x7f00000b5ff1)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000029fcc)={{0x0, 0x2, 0x0, 0xffefffffffffffff}}) dup3(r0, r1, 0x0) 2018/04/07 01:13:16 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f00000002c0)='/dev/sg#\x00', 0x6, 0x83) getsockopt$inet_tcp_int(r0, 0x6, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) getsockopt$inet6_mreq(r0, 0x29, 0x1d, &(0x7f0000000a80)={@loopback}, &(0x7f00000009c0)=0xfffffffffffffeb1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f00005d5ff3)={0x2, 0x4e20, @rand_addr}, 0x10) lstat(&(0x7f0000962000)='./file0\x00', &(0x7f0000e2b000)={0x0, 0x0, 0x0, 0x0, 0x0}) clone(0x88008400, &(0x7f0000000540)="808eaddd23d7c40e78e8e014524f9beea89a979cf37606a623142db922198f3e557164599a52ecdcce68ef5f9dce69c8fae342e275ab45abd03a81d719ddfae434829289d8552f7209af3d0adafcaed7281e4ca3aea1052faf11e06357c2", &(0x7f0000000380), &(0x7f00000005c0), &(0x7f0000000600)="456f17221c12a7d8b8297550ba0278e5d8e6ad3a6fe7e9073e50669cee23fada") setuid(r2) ioctl$TIOCLINUX5(r1, 0x541c, &(0x7f0000c51000)={0x5, 0x7, 0x0, 0x7, 0x10000}) setsockopt$inet_tcp_int(r1, 0x6, 0x200000000000a, &(0x7f0000dedffc)=0x2, 0x4) connect(r1, &(0x7f0000000a00)=@nfc={0x27, 0x80000000, 0x8, 0x7}, 0x36) r3 = socket$alg(0x26, 0x5, 0x0) r4 = fcntl$dupfd(r1, 0x406, r3) ioctl$TCSETAF(r4, 0x5408, &(0x7f0000000000)={0x7, 0x1, 0x7fffffff, 0x3ff, 0x349a1075, 0xff, 0x7, 0x5d9, 0xfffffffffffffbff, 0x7c}) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000980)={0x0, 0x0}) sendto$inet(r1, &(0x7f0000de1fff)='U', 0x1, 0x20008005, &(0x7f0000db4ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) mbind(&(0x7f0000097000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000fa8ff8), 0x40, 0x2) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000defffc), 0x4) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) ioctl$EVIOCGABS20(r4, 0x80184560, &(0x7f00000008c0)=""/88) umount2(&(0x7f0000385ff8)='./file0\x00', 0x0) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000d00)=ANY=[@ANYRES32=r5], 0x1) r6 = fcntl$getown(r0, 0x9) syz_open_procfs(r6, &(0x7f0000000680)="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") getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000480), &(0x7f00000004c0)=0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000afcff8), &(0x7f00002c2ffc)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f000080dfe0), 0x20) sendto$inet(r1, &(0x7f0000b0c000)="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", 0x1001, 0xc004, 0x0, 0x0) recvmsg(r1, &(0x7f0000df6fc8)={&(0x7f0000000040)=@generic, 0x80, &(0x7f0000df5000)=[{&(0x7f0000000100)=""/146, 0x92}, {&(0x7f00000001c0)=""/140, 0x8c}, {&(0x7f0000df5f18)=""/232, 0xe8}, {&(0x7f0000409fa2)=""/94, 0x5e}, {&(0x7f00007a7f19)=""/231, 0xe7}, {&(0x7f00000003c0)=""/169, 0xa3}, {&(0x7f00009e3000)=""/230, 0xe6}, {&(0x7f00000000c0)=""/37, 0x25}, {&(0x7f0000554fcf)=""/49, 0x31}], 0x9, &(0x7f0000c27ff9)=""/7, 0x7, 0x8000}, 0x40000100) 2018/04/07 01:13:16 executing program 5: ioctl$DRM_IOCTL_SET_SAREA_CTX(0xffffffffffffffff, 0x4010641c, &(0x7f0000000680)={0x0, &(0x7f0000000a80)=""/97}) unshare(0x60000000) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, &(0x7f0000000000)={"73797a6b04436c6564391f8eacf1978d", @ifru_map}) r0 = socket$inet(0x2, 0x3, 0x2) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_int(r0, 0x0, 0xca, &(0x7f0000000000)=0x10001, 0x10) 2018/04/07 01:13:16 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) fallocate(r1, 0x0, 0xffff, 0x3) fallocate(r1, 0x3, 0x0, 0xffff) syzkaller login: [ 42.949601] ip (3760) used greatest stack depth: 54800 bytes left [ 43.344349] ip (3796) used greatest stack depth: 54672 bytes left [ 43.772779] ip (3838) used greatest stack depth: 54200 bytes left [ 44.482186] ip (3905) used greatest stack depth: 53752 bytes left [ 46.413543] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.499958] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.553864] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.629558] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.686816] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.706223] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.842165] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.964848] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.402453] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.414007] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.424069] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.447613] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.490521] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.558813] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.623199] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.970228] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.152732] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.159141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.171596] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.201758] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.212373] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.220269] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.229829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.258832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.274757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.296838] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.305864] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.314755] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.322992] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.347630] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.382211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.419664] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.447650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.474962] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.491874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.498826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.506270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.891394] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.897739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.908483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/07 01:13:33 executing program 1: r0 = socket(0x18, 0x0, 0x1) perf_event_open(&(0x7f000001d000)={0x5, 0x78, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$EVIOCGVERSION(0xffffffffffffffff, 0x80044501, &(0x7f0000000000)=""/4096) setsockopt(r0, 0x400000000000111, 0x0, &(0x7f0000000000)="4f4610cf", 0x4) 2018/04/07 01:13:33 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000300)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='illinois\x00', 0x9) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r0, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendmmsg(r0, &(0x7f0000003ec0)=[{{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000002640)="5b5331d25a71c6a64f00d90720f785f88f9e63f90f76c48feee314083a181eefab2af8a65643ebc8c2b907fdebdd7b6aabd04ebe5b3133ae10d25c8992f969f3462f985649a0d1aeb7d535535fe9ce30e21dc14811cdff61456d7141cc19a8c86d8c80ccc6639cbb396c5307933f3d1c5a346d2d3a47311974a4970abaccab9b06afbdf003eb24b16c82af83155e9b5533db3eeb4e9c0722105fdc7585c77f5238ae3d12f08c8ab6dcf0edb2490a54ac46932250eb853d86d10cff49f40797062fee0affd74773c634", 0xc9}], 0x1, &(0x7f0000003640)}}], 0x1, 0x0) shutdown(r0, 0x1) clock_gettime(0x0, &(0x7f0000004d00)={0x0, 0x0}) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000000)={@in={{0x2, 0x0, @loopback=0x7f000001}}, 0x0, 0x40, 0x0, "bb7d979a5ee032056dff2fc639ba6368d0d71d898a4e124cf21cd30cb70965e6517b9cd90bda9821886e8cd3637def26f925ad25edc2a48d5320748f0957c324fe23baa6085747576770b4aaa4b7bab6"}, 0xd8) recvmmsg(r0, &(0x7f0000004b00)=[{{&(0x7f0000002500)=@sco, 0x80, &(0x7f0000004340)=[{&(0x7f00000041c0)=""/215, 0xd7}], 0x1, &(0x7f0000000180)=""/186, 0xba}}, {{&(0x7f0000004600)=@nfc_llcp, 0x80, &(0x7f0000004a40), 0x0, &(0x7f0000004ac0)}}], 0x2, 0x0, &(0x7f0000000140)={0x0, r1+30000000}) 2018/04/07 01:13:33 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000ed4000)=0x78, 0x4) bind$inet(r0, &(0x7f0000000300)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='illinois\x00', 0x9) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r0, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendmmsg(r0, &(0x7f0000003ec0)=[{{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000002640)="5b5331d25a71c6a64f00d90720f785f88f9e63f90f76c48feee314083a181eefab2af8a65643ebc8c2b907fdebdd7b6aabd04ebe5b3133ae10d25c8992f969f3462f985649a0d1aeb7d535535fe9ce30e21dc14811cdff61456d7141cc19a8c86d8c80ccc6639cbb396c5307933f3d1c5a346d2d3a47311974a4970abaccab9b06afbdf003eb24b16c82af83155e9b5533db3eeb4e9c0722105fdc7585c77f5238ae3d12f08c8ab6dcf0edb2490a54ac46932250eb853d86d10cff49f40797062fee0affd74773c63491ff", 0xcb}], 0x1, &(0x7f0000003640)}}], 0x1, 0x0) shutdown(r0, 0x1) clock_gettime(0x0, &(0x7f0000004d00)={0x0, 0x0}) setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000000)={@in={{0x2, 0x0, @loopback=0x7f000001}}, 0x0, 0x40, 0x0, "bb7d979a5ee032056dff2fc639ba6368d0d71d898a4e124cf21cd30cb70965e6517b9cd90bda9821886e8cd3637def26f925ad25edc2a48d5320748f0957c324fe23baa6085747576770b4aaa4b7bab6"}, 0xd8) recvmmsg(r0, &(0x7f0000004b00)=[{{&(0x7f0000002500)=@sco, 0x80, &(0x7f0000004340)=[{&(0x7f00000041c0)=""/215, 0xd7}], 0x1, &(0x7f0000000180)=""/186, 0xba}}, {{&(0x7f0000004600)=@nfc_llcp, 0x80, &(0x7f0000004a40), 0x0, &(0x7f0000004ac0)}}], 0x2, 0x0, &(0x7f0000000140)={0x0, r1+30000000}) 2018/04/07 01:13:33 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00004c0000)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) listen(r0, 0x4043) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f000087dffe)='F', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) shutdown(r1, 0x1) r2 = accept4(r0, 0x0, &(0x7f0000da8ffc), 0x0) connect$rds(r2, &(0x7f0000000040)={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) shutdown(r2, 0x1) 2018/04/07 01:13:33 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x20000802, &(0x7f0000000000)={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000280)='tunl0\x00', 0x10) sendto$inet(r0, &(0x7f00000000c0)='C', 0x1, 0x0, 0x0, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x2, 0x4) writev(r0, &(0x7f0000000080)=[{&(0x7f0000001ec0)="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", 0x595}], 0x1) [ 58.073485] ================================================================== [ 58.080913] BUG: KMSAN: uninit-value in tcp_parse_options+0xd74/0x1a30 [ 58.087578] CPU: 0 PID: 5055 Comm: syz-executor4 Not tainted 4.16.0+ #81 [ 58.094407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.103748] Call Trace: [ 58.106317] [ 58.108462] dump_stack+0x185/0x1d0 [ 58.112090] ? tcp_parse_options+0xd74/0x1a30 [ 58.116582] kmsan_report+0x142/0x240 [ 58.120385] __msan_warning_32+0x6c/0xb0 [ 58.124445] tcp_parse_options+0xd74/0x1a30 [ 58.128768] tcp_validate_incoming+0x4f1/0x2790 [ 58.133427] tcp_rcv_state_process+0xb19/0x6490 [ 58.138078] ? __bpf_prog_run32+0x127/0x170 [ 58.142378] ? security_sock_rcv_skb+0x4c/0x1f0 [ 58.147040] tcp_v4_do_rcv+0xb26/0xd90 [ 58.150911] tcp_v4_rcv+0x5b25/0x6750 [ 58.154702] ? tcp_filter+0x270/0x270 [ 58.158483] ip_local_deliver_finish+0x6ed/0xd40 [ 58.163222] ip_local_deliver+0x43c/0x4e0 [ 58.167364] ? ip_local_deliver+0x4e0/0x4e0 [ 58.171667] ? ip_call_ra_chain+0x7b0/0x7b0 [ 58.175974] ip_rcv_finish+0x1253/0x16d0 [ 58.180027] ip_rcv+0x119d/0x16f0 [ 58.183465] ? ip_rcv+0x16f0/0x16f0 [ 58.187081] __netif_receive_skb_core+0x47cf/0x4a80 [ 58.192081] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 58.197859] ? ip_local_deliver_finish+0xd40/0xd40 [ 58.202767] process_backlog+0x62d/0xe20 [ 58.206812] ? rps_trigger_softirq+0x2f0/0x2f0 [ 58.211371] net_rx_action+0x7c1/0x1a70 [ 58.215327] ? net_tx_action+0xab0/0xab0 [ 58.219374] __do_softirq+0x56d/0x93d [ 58.223510] irq_exit+0x202/0x240 [ 58.226945] exiting_irq+0xe/0x10 [ 58.230379] smp_apic_timer_interrupt+0x64/0x90 [ 58.235041] apic_timer_interrupt+0xf/0x20 [ 58.239256] [ 58.241474] RIP: 0010:migrate_page_states+0x0/0x1040 [ 58.246553] RSP: 0000:ffff8801b40df830 EFLAGS: 00000283 ORIG_RAX: ffffffffffffff12 [ 58.254242] RAX: ffff880168a70918 RBX: 0000000000000200 RCX: 000000008480008d [ 58.261488] RDX: ffffc90002773000 RSI: ffffea0008388000 RDI: ffffea00083d0000 [ 58.268739] RBP: ffff8801b40df950 R08: 0000000001080020 R09: 0000000000000002 [ 58.275985] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 [ 58.283241] R13: 0000000000000000 R14: ffff880168a71910 R15: 0000000000000000 [ 58.290502] ? migrate_page_copy+0x738/0x1000 [ 58.294977] ? kmsan_set_origin_inline+0x6b/0x120 [ 58.299800] ? page_mapping+0x300/0x480 [ 58.303762] move_to_new_page+0xa53/0x10e0 [ 58.307979] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 58.313323] ? __page_mapcount+0x24c/0x360 [ 58.317540] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 58.322888] migrate_pages+0x2678/0x4370 [ 58.326928] ? get_nodes+0x6f0/0x6f0 [ 58.330628] SYSC_mbind+0x208b/0x21e0 [ 58.334406] ? __msan_poison_alloca+0x15c/0x1d0 [ 58.339057] ? new_node_page+0x400/0x400 [ 58.343099] ? queue_pages_pte_range+0x10b0/0x10b0 [ 58.348011] ? queue_pages_hugetlb+0x820/0x820 [ 58.352577] ? prepare_exit_to_usermode+0x149/0x3a0 [ 58.357580] SyS_mbind+0x8a/0xb0 [ 58.360926] do_syscall_64+0x309/0x430 [ 58.364793] ? do_migrate_pages+0xe20/0xe20 [ 58.369098] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 58.374265] RIP: 0033:0x455259 [ 58.377435] RSP: 002b:00007f771ae5dc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 58.385121] RAX: ffffffffffffffda RBX: 00007f771ae5e6d4 RCX: 0000000000455259 [ 58.392368] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020097000 [ 58.399617] RBP: 000000000072bea0 R08: 0000000000000040 R09: 0000000000000002 [ 58.406866] R10: 0000000020fa8ff8 R11: 0000000000000246 R12: 00000000ffffffff [ 58.414113] R13: 00000000000003e6 R14: 00000000006f8e30 R15: 0000000000000000 [ 58.421364] [ 58.422967] Uninit was created at: [ 58.426493] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 58.431577] kmsan_kmalloc+0x94/0x100 [ 58.435357] kmsan_slab_alloc+0x11/0x20 [ 58.439310] __kmalloc_node_track_caller+0xaed/0x11c0 [ 58.444477] __alloc_skb+0x2cf/0x9f0 [ 58.448168] tcp_send_ack+0x18c/0x910 [ 58.451948] tcp_fin+0x298/0x8f0 [ 58.455295] tcp_data_queue+0x2cb9/0xa200 [ 58.459422] tcp_rcv_state_process+0x5c61/0x6490 [ 58.464157] tcp_v4_do_rcv+0xb26/0xd90 [ 58.468030] tcp_v4_rcv+0x5b25/0x6750 [ 58.472265] ip_local_deliver_finish+0x6ed/0xd40 [ 58.476998] ip_local_deliver+0x43c/0x4e0 [ 58.481128] ip_rcv_finish+0x1253/0x16d0 [ 58.485164] ip_rcv+0x119d/0x16f0 [ 58.488599] __netif_receive_skb_core+0x47cf/0x4a80 [ 58.493593] process_backlog+0x62d/0xe20 [ 58.497633] net_rx_action+0x7c1/0x1a70 [ 58.501586] __do_softirq+0x56d/0x93d [ 58.505359] ================================================================== [ 58.512690] Disabling lock debugging due to kernel taint [ 58.518112] Kernel panic - not syncing: panic_on_warn set ... [ 58.518112] [ 58.525458] CPU: 0 PID: 5055 Comm: syz-executor4 Tainted: G B 4.16.0+ #81 [ 58.533575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.542908] Call Trace: [ 58.545468] [ 58.547600] dump_stack+0x185/0x1d0 [ 58.551205] panic+0x39d/0x940 [ 58.554396] ? tcp_parse_options+0xd74/0x1a30 [ 58.558871] kmsan_report+0x238/0x240 [ 58.562652] __msan_warning_32+0x6c/0xb0 [ 58.566704] tcp_parse_options+0xd74/0x1a30 [ 58.571029] tcp_validate_incoming+0x4f1/0x2790 [ 58.575694] tcp_rcv_state_process+0xb19/0x6490 [ 58.580349] ? __bpf_prog_run32+0x127/0x170 [ 58.584652] ? security_sock_rcv_skb+0x4c/0x1f0 [ 58.589331] tcp_v4_do_rcv+0xb26/0xd90 [ 58.593205] tcp_v4_rcv+0x5b25/0x6750 [ 58.597002] ? tcp_filter+0x270/0x270 [ 58.600792] ip_local_deliver_finish+0x6ed/0xd40 [ 58.605530] ip_local_deliver+0x43c/0x4e0 [ 58.609658] ? ip_local_deliver+0x4e0/0x4e0 [ 58.613960] ? ip_call_ra_chain+0x7b0/0x7b0 [ 58.618261] ip_rcv_finish+0x1253/0x16d0 [ 58.622304] ip_rcv+0x119d/0x16f0 [ 58.625736] ? ip_rcv+0x16f0/0x16f0 [ 58.629354] __netif_receive_skb_core+0x47cf/0x4a80 [ 58.634363] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 58.640142] ? ip_local_deliver_finish+0xd40/0xd40 [ 58.645051] process_backlog+0x62d/0xe20 [ 58.649096] ? rps_trigger_softirq+0x2f0/0x2f0 [ 58.653656] net_rx_action+0x7c1/0x1a70 [ 58.657612] ? net_tx_action+0xab0/0xab0 [ 58.661654] __do_softirq+0x56d/0x93d [ 58.665440] irq_exit+0x202/0x240 [ 58.668873] exiting_irq+0xe/0x10 [ 58.672308] smp_apic_timer_interrupt+0x64/0x90 [ 58.676955] apic_timer_interrupt+0xf/0x20 [ 58.681163] [ 58.683380] RIP: 0010:migrate_page_states+0x0/0x1040 [ 58.688456] RSP: 0000:ffff8801b40df830 EFLAGS: 00000283 ORIG_RAX: ffffffffffffff12 [ 58.696141] RAX: ffff880168a70918 RBX: 0000000000000200 RCX: 000000008480008d [ 58.703388] RDX: ffffc90002773000 RSI: ffffea0008388000 RDI: ffffea00083d0000 [ 58.710637] RBP: ffff8801b40df950 R08: 0000000001080020 R09: 0000000000000002 [ 58.717884] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002 [ 58.725133] R13: 0000000000000000 R14: ffff880168a71910 R15: 0000000000000000 [ 58.732393] ? migrate_page_copy+0x738/0x1000 [ 58.736868] ? kmsan_set_origin_inline+0x6b/0x120 [ 58.741695] ? page_mapping+0x300/0x480 [ 58.745651] move_to_new_page+0xa53/0x10e0 [ 58.749866] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 58.755229] ? __page_mapcount+0x24c/0x360 [ 58.759455] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 58.764801] migrate_pages+0x2678/0x4370 [ 58.768842] ? get_nodes+0x6f0/0x6f0 [ 58.772544] SYSC_mbind+0x208b/0x21e0 [ 58.776324] ? __msan_poison_alloca+0x15c/0x1d0 [ 58.780973] ? new_node_page+0x400/0x400 [ 58.785017] ? queue_pages_pte_range+0x10b0/0x10b0 [ 58.789931] ? queue_pages_hugetlb+0x820/0x820 [ 58.794494] ? prepare_exit_to_usermode+0x149/0x3a0 [ 58.799498] SyS_mbind+0x8a/0xb0 [ 58.802843] do_syscall_64+0x309/0x430 [ 58.806712] ? do_migrate_pages+0xe20/0xe20 [ 58.811024] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 58.816196] RIP: 0033:0x455259 [ 58.819363] RSP: 002b:00007f771ae5dc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 58.827050] RAX: ffffffffffffffda RBX: 00007f771ae5e6d4 RCX: 0000000000455259 [ 58.834296] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020097000 [ 58.841543] RBP: 000000000072bea0 R08: 0000000000000040 R09: 0000000000000002 [ 58.848791] R10: 0000000020fa8ff8 R11: 0000000000000246 R12: 00000000ffffffff [ 58.856040] R13: 00000000000003e6 R14: 00000000006f8e30 R15: 0000000000000000 [ 58.863710] Dumping ftrace buffer: [ 58.867231] (ftrace buffer empty) [ 58.870915] Kernel Offset: disabled [ 58.874512] Rebooting in 86400 seconds..