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 '10.128.0.45' (ECDSA) to the list of known hosts. 2018/04/07 00:44:57 fuzzer started 2018/04/07 00:44:57 dialing manager at 10.128.0.26:38639 2018/04/07 00:45:03 kcov=true, comps=false 2018/04/07 00:45:06 executing program 0: 2018/04/07 00:45:06 executing program 1: 2018/04/07 00:45:06 executing program 2: 2018/04/07 00:45:06 executing program 7: 2018/04/07 00:45:06 executing program 4: 2018/04/07 00:45:06 executing program 5: 2018/04/07 00:45:06 executing program 6: 2018/04/07 00:45:06 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) syzkaller login: [ 42.490961] ip (3744) used greatest stack depth: 54688 bytes left [ 42.982974] ip (3789) used greatest stack depth: 54408 bytes left [ 43.348800] ip (3825) used greatest stack depth: 54312 bytes left [ 44.229149] ip (3905) used greatest stack depth: 54200 bytes left [ 46.139138] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.231879] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.313666] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.369706] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.497924] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.575788] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.583526] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.594222] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.604132] ip (4111) used greatest stack depth: 53976 bytes left [ 54.833984] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.104672] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.211547] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.433689] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.442947] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.556955] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.582587] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.588826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.601277] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.639074] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.671180] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.845703] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.851980] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.864900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.066486] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.072729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.081804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.186982] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.193281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.211198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.305916] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.312185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.330171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.357293] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.365561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.409087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.446702] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.453909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.468381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.488405] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.495350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.533907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/07 00:45:23 executing program 0: r0 = socket(0x200000000010, 0x2, 0x0) write(r0, &(0x7f0000000080)="2400000024007ffc0000120000000100000ff6ff010000000280f300f1ffffff13000210", 0x24) 2018/04/07 00:45:23 executing program 1: mkdir(&(0x7f0000000200)='./file0\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000012ff8)='./file0\x00', 0x0, 0x0) symlinkat(&(0x7f0000008ff8)='./file1\x00', r0, &(0x7f0000012ff8)='./file0\x00') rmdir(&(0x7f0000000240)='./file0\x00') creat(&(0x7f0000020ff2)='./file0/file0\x00', 0x0) renameat(r0, &(0x7f0000020ff2)='./file1\x00', r0, &(0x7f0000002000)='./file0\x00') 2018/04/07 00:45:23 executing program 4: 2018/04/07 00:45:23 executing program 7: 2018/04/07 00:45:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:23 executing program 2: 2018/04/07 00:45:23 executing program 5: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x3f) fcntl$setown(r1, 0x8, r0) keyctl$invalidate(0x15, 0x0) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) tkill(r0, 0x14) 2018/04/07 00:45:23 executing program 6: openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000280)='/dev/sequencer2\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc02c5341, &(0x7f0000000040)) 2018/04/07 00:45:23 executing program 4: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x3f) fcntl$setown(r1, 0x8, r0) fcntl$setsig(r1, 0xa, 0x12) ioctl$sock_SIOCGSKNS(0xffffffffffffffff, 0x894c, &(0x7f0000000480)) dup2(r1, r2) tkill(r0, 0x14) 2018/04/07 00:45:23 executing program 7: perf_event_open(&(0x7f00007def88)={0x4000000002, 0x78, 0x9f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x80040, 0x0) fcntl$setlease(r0, 0x400, 0x0) ioctl$VHOST_SET_LOG_FD(0xffffffffffffffff, 0x4004af07, &(0x7f0000000040)) utime(&(0x7f0000000080)='./file0\x00', &(0x7f0000949000)) 2018/04/07 00:45:23 executing program 2: 2018/04/07 00:45:23 executing program 0: 2018/04/07 00:45:23 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:23 executing program 1: 2018/04/07 00:45:23 executing program 6: 2018/04/07 00:45:23 executing program 2: 2018/04/07 00:45:23 executing program 0: 2018/04/07 00:45:24 executing program 6: 2018/04/07 00:45:24 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:24 executing program 1: 2018/04/07 00:45:24 executing program 7: r0 = socket$bt_rfcomm(0x1f, 0x1, 0x3) setsockopt$bt_rfcomm_RFCOMM_LM(r0, 0x12, 0x3, &(0x7f0000000000)=0x60, 0x4) 2018/04/07 00:45:24 executing program 2: r0 = socket$inet(0x2, 0x801, 0x0) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x6, 0x9, &(0x7f0000000080)={0x100000001}, 0xc) 2018/04/07 00:45:24 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001000)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x40e, &(0x7f0000491000)={0x1}) fcntl$F_GET_RW_HINT(r0, 0x40d, &(0x7f0000eac000)) 2018/04/07 00:45:24 executing program 5: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x3f) fcntl$setown(r1, 0x8, r0) keyctl$invalidate(0x15, 0x0) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) tkill(r0, 0x14) 2018/04/07 00:45:25 executing program 4: r0 = socket(0xa, 0x1, 0x0) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f0000000080)=@security={'security\x00', 0xe, 0x4, 0x2d8, 0xffffffff, 0x0, 0x430, 0x430, 0xffffffff, 0xffffffff, 0x538, 0x538, 0x538, 0xffffffff, 0x4, &(0x7f0000000040), {[{{@ip={@loopback=0x7f000001, @local={0xac, 0x14, 0x14, 0xaa}, 0x0, 0x0, 'lo\x00', 'eql\x00'}, 0x0, 0x98, 0xc0}, @common=@unspec=@AUDIT={0x28, 'AUDIT\x00'}}, {{@uncond, 0x0, 0x98, 0xc0}, @common=@unspec=@CLASSIFY={0x28, 'CLASSIFY\x00'}}, {{@ip={@rand_addr, @loopback=0x7f000001, 0x0, 0x0, 'lo\x00', 'bridge0\x00'}, 0x0, 0x98, 0xc0}, @common=@inet=@TCPMSS={0x28, 'TCPMSS\x00'}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x338) 2018/04/07 00:45:25 executing program 1: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_mreqn(r0, 0x0, 0x21, &(0x7f0000000200)={@broadcast=0xffffffff, @multicast2=0xe0000002}, 0xc) 2018/04/07 00:45:25 executing program 6: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000a8d000)={&(0x7f0000c78ff4)={0x10}, 0xc, &(0x7f0000df6000)={&(0x7f0000b04cf4)={0x1c, 0x17, 0xa, 0xfffffffffffffffd, 0x0, 0x0, {}, [@typed={0x8, 0x1}]}, 0x1c}, 0x1}, 0x0) 2018/04/07 00:45:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000bb5000)={0x0, 0x0, 0x2}, 0x8) 2018/04/07 00:45:25 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000001000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x1000)=nil, 0x1000}, 0x1}) r1 = creat(&(0x7f0000005000)='./file0\x00', 0x0) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) sched_setaffinity(r2, 0x8, &(0x7f000090a000)=0x40000000008) creat(&(0x7f0000b58ff8)='./file1\x00', 0x0) rename(&(0x7f0000bed000)='./file0\x00', &(0x7f0000704000)='./file1\x00') mount(&(0x7f0000286000)='./file1\x00', &(0x7f00000feff8)='./file0\x00', &(0x7f000067dffa)='romfs\x00', 0x2001000, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000001ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/04/07 00:45:25 executing program 0: 2018/04/07 00:45:25 executing program 5: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x3f) fcntl$setown(r1, 0x8, r0) keyctl$invalidate(0x15, 0x0) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) tkill(r0, 0x14) 2018/04/07 00:45:25 executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000001140)={0x1, 0x4, 0x10, 0x2}, 0x2c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000001180)={r0, &(0x7f0000000040), &(0x7f0000001040)=""/205}, 0x18) 2018/04/07 00:45:25 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:25 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$IP_VS_SO_SET_DELDEST(r0, 0x10e, 0xb, &(0x7f0000000500)={{0x0, @multicast1=0xe0000001, 0x0, 0x0, 'sed\x00'}, {@loopback=0x7f000001}}, 0x3) 2018/04/07 00:45:25 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x1) connect$inet6(r0, &(0x7f000000cfe4)={0xa}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380), 0x0, &(0x7f00000003c0)}}, {{&(0x7f00000004c0)=@in6={0xa, 0x2, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c, &(0x7f0000000680), 0x0, &(0x7f0000002000)}}], 0x2, 0x0) 2018/04/07 00:45:26 executing program 4: r0 = memfd_create(&(0x7f0000ae1000)="7591487276706f786e6574310063", 0x2) pwrite64(r0, &(0x7f0000ce9000)="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", 0xfb3, 0x4e) fcntl$addseals(r0, 0x409, 0x8) 2018/04/07 00:45:26 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x144a8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/04/07 00:45:26 executing program 0: r0 = socket$inet(0x2, 0x3, 0x20000000084) setsockopt$sock_int(r0, 0x1, 0x2a, &(0x7f00000000c0), 0x4) 2018/04/07 00:45:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x6f}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:26 executing program 1: mkdir(&(0x7f0000839000)='./control\x00', 0x0) r0 = open(&(0x7f0000022ff6)='./control\x00', 0x0, 0x0) mkdirat(r0, &(0x7f00000d4000)='./control\x00', 0x0) readlinkat(r0, &(0x7f0000000000)='./control\x00', &(0x7f0000000040)=""/34, 0x22) 2018/04/07 00:45:26 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) chroot(&(0x7f000009a000)='./file0\x00') chdir(&(0x7f0000cd2ff8)='./file0\x00') symlink(&(0x7f0000000140)='..', &(0x7f0000272ff7)='../file0\x00') mount(&(0x7f0000fb6000)='./file0\x00', &(0x7f0000d78000)='.', &(0x7f0000000400)='ubifs\x00', 0x1004, 0x0) chroot(&(0x7f0000000080)='../file0\x00') pivot_root(&(0x7f00000001c0)='.', &(0x7f0000000200)='..') 2018/04/07 00:45:26 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000001000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x1000)=nil, 0x1000}, 0x1}) r1 = creat(&(0x7f0000005000)='./file0\x00', 0x0) write$sndseq(r1, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = getpgrp(0x0) sched_setaffinity(r2, 0x8, &(0x7f000090a000)=0x40000000008) creat(&(0x7f0000b58ff8)='./file1\x00', 0x0) rename(&(0x7f0000bed000)='./file0\x00', &(0x7f0000704000)='./file1\x00') mount(&(0x7f0000286000)='./file1\x00', &(0x7f00000feff8)='./file0\x00', &(0x7f000067dffa)='romfs\x00', 0x2001000, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000001ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/04/07 00:45:26 executing program 5: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x3f) fcntl$setown(r1, 0x8, r0) keyctl$invalidate(0x15, 0x0) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) tkill(r0, 0x14) 2018/04/07 00:45:26 executing program 0: r0 = socket$inet(0x2, 0x3, 0x19) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000780)={'bond0\x00', 0x0}) setsockopt$inet_mreqn(r0, 0x0, 0x20, &(0x7f0000000740)={@multicast2=0xe0000002, @multicast2=0xe0000002, r1}, 0xc) 2018/04/07 00:45:26 executing program 6: r0 = socket$bt_hidp(0x1f, 0x3, 0x6) ioctl$sock_bt_hidp_HIDPGETCONNINFO(r0, 0x800448d2, &(0x7f0000000200)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, "718a15bb210a1893b85eabbc38e9f10320c6da27e11a48aca66f16c942f0de76f851d7635779352b2898ce4c8d614faddb20f818be9e048ea05ed7d4bc4f60c6adb74f0e48538b43ea277fabde38443be2b98ef31834cffbff051be6b0218593b0028edb9fe470d4e4d66eaa8a97fe2bd997202aade8c14f266a2cb2abcc6e7b"}) 2018/04/07 00:45:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:27 executing program 1: 2018/04/07 00:45:27 executing program 4: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) r0 = creat(&(0x7f0000df1000)='./file0/bus\x00', 0x0) unshare(0x40600) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@multicast2, @in6=@loopback}}, {{@in=@multicast2}, 0x0, @in6=@remote}}, &(0x7f00000001c0)=0xe8) 2018/04/07 00:45:27 executing program 2: r0 = socket$inet(0x2, 0x5, 0x0) getsockopt$IP_VS_SO_GET_DAEMON(r0, 0x84, 0x6c, &(0x7f0000000000), &(0x7f0000000040)=0x3) 2018/04/07 00:45:27 executing program 0: r0 = socket$packet(0x11, 0x800000000002, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f000095bffc), 0x4) r1 = socket$inet(0x2, 0x3, 0x2f) sendto$inet(r1, &(0x7f000014cf2c), 0x0, 0x8000, &(0x7f00005b5ff0)={0x2}, 0x10) sendto$inet(r1, &(0x7f0000000040)="33f018ebbf668131", 0x8, 0x0, &(0x7f0000000140)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/04/07 00:45:27 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21}, 0x1c) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x4e21, 0x8}}}}}, 0x0) 2018/04/07 00:45:27 executing program 6: r0 = shmget$private(0x0, 0x2000, 0x540019b5, &(0x7f0000ffb000/0x2000)=nil) shmctl$SHM_LOCK(r0, 0xb) 2018/04/07 00:45:27 executing program 5: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x3f) fcntl$setown(r1, 0x8, r0) keyctl$invalidate(0x15, 0x0) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) 2018/04/07 00:45:27 executing program 7: r0 = socket(0x10, 0x2, 0x0) sendmsg$nl_route(r0, &(0x7f0000504000)={&(0x7f0000ba2ff4)={0x10}, 0xc, &(0x7f0000434ff0)={&(0x7f0000ff8000)=@newlink={0x28, 0x10, 0x9, 0x0, 0x0, {}, [@IFLA_AF_SPEC={0x8, 0x1a, [{0x4, 0xa}]}]}, 0x28}, 0x1}, 0x0) [ 61.551770] ================================================================== [ 61.559192] BUG: KMSAN: uninit-value in __skb_flow_dissect+0x401f/0x6580 [ 61.566037] CPU: 0 PID: 5231 Comm: syz-executor0 Not tainted 4.16.0+ #81 [ 61.572868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.582219] Call Trace: [ 61.584812] dump_stack+0x185/0x1d0 [ 61.588445] ? __skb_flow_dissect+0x401f/0x6580 [ 61.593119] kmsan_report+0x142/0x240 [ 61.596920] __msan_warning_32+0x6c/0xb0 [ 61.600980] __skb_flow_dissect+0x401f/0x6580 [ 61.605471] ? __msan_chain_origin+0x69/0xc0 [ 61.609881] ? SyS_sendto+0x8a/0xb0 [ 61.613502] ? entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.618876] ? __dev_queue_xmit+0x22d9/0x2b60 [ 61.623372] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 61.628830] __skb_get_hash_symmetric+0x10b/0x230 [ 61.633679] packet_rcv_fanout+0x38f/0x8d0 [ 61.637914] ? packet_direct_xmit+0xbf0/0xbf0 [ 61.642413] dev_queue_xmit_nit+0x111a/0x11e0 [ 61.646919] dev_hard_start_xmit+0x27c/0xc70 [ 61.651344] __dev_queue_xmit+0x22d9/0x2b60 [ 61.655676] dev_queue_xmit+0x4b/0x60 [ 61.659473] neigh_resolve_output+0xac6/0xb60 [ 61.663970] ? neigh_event_ns+0x360/0x360 [ 61.668117] ip_finish_output2+0x1238/0x1380 [ 61.672532] ip_finish_output+0xcb0/0xff0 [ 61.676681] ip_output+0x502/0x5c0 [ 61.680249] ? ip_mc_finish_output+0x3b0/0x3b0 [ 61.684828] ? ip_finish_output+0xff0/0xff0 [ 61.689145] ip_send_skb+0x5f3/0x820 [ 61.692854] ? __ip_local_out+0x5b0/0x5b0 [ 61.696998] ip_push_pending_frames+0x105/0x170 [ 61.701668] raw_sendmsg+0x2960/0x3ed0 [ 61.705574] ? compat_raw_ioctl+0x100/0x100 [ 61.709889] inet_sendmsg+0x48d/0x740 [ 61.713687] ? security_socket_sendmsg+0x9e/0x210 [ 61.718528] ? inet_getname+0x500/0x500 [ 61.722496] SYSC_sendto+0x6c3/0x7e0 [ 61.726208] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 61.731650] ? prepare_exit_to_usermode+0x149/0x3a0 [ 61.736676] SyS_sendto+0x8a/0xb0 [ 61.740127] do_syscall_64+0x309/0x430 [ 61.744015] ? SYSC_getpeername+0x560/0x560 [ 61.748340] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.753520] RIP: 0033:0x455259 [ 61.756700] RSP: 002b:00007f9a0d4b4c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 61.764412] RAX: ffffffffffffffda RBX: 00007f9a0d4b56d4 RCX: 0000000000455259 [ 61.771670] RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000014 [ 61.778936] RBP: 000000000072bea0 R08: 0000000020000140 R09: 0000000000000010 [ 61.786195] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 61.793455] R13: 00000000000004f7 R14: 00000000006fa7c8 R15: 0000000000000000 [ 61.800717] [ 61.802331] Uninit was stored to memory at: [ 61.806652] kmsan_internal_chain_origin+0x12b/0x210 [ 61.811747] kmsan_memcpy_origins+0x11d/0x170 [ 61.816233] __msan_memcpy+0x19f/0x1f0 [ 61.820113] skb_copy_bits+0x63a/0xdb0 [ 61.823993] __skb_flow_dissect+0x3931/0x6580 [ 61.828480] __skb_get_hash_symmetric+0x10b/0x230 [ 61.833313] packet_rcv_fanout+0x38f/0x8d0 [ 61.837545] dev_queue_xmit_nit+0x111a/0x11e0 [ 61.842035] dev_hard_start_xmit+0x27c/0xc70 [ 61.846438] __dev_queue_xmit+0x22d9/0x2b60 [ 61.850749] dev_queue_xmit+0x4b/0x60 [ 61.854553] neigh_resolve_output+0xac6/0xb60 [ 61.859056] ip_finish_output2+0x1238/0x1380 [ 61.863460] ip_finish_output+0xcb0/0xff0 [ 61.867600] ip_output+0x502/0x5c0 [ 61.871131] ip_send_skb+0x5f3/0x820 [ 61.874839] ip_push_pending_frames+0x105/0x170 [ 61.879505] raw_sendmsg+0x2960/0x3ed0 [ 61.883381] inet_sendmsg+0x48d/0x740 [ 61.887175] SYSC_sendto+0x6c3/0x7e0 [ 61.890879] SyS_sendto+0x8a/0xb0 [ 61.894326] do_syscall_64+0x309/0x430 [ 61.898211] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.903384] Uninit was created at: [ 61.906920] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 61.911928] kmsan_alloc_page+0x82/0xe0 [ 61.915893] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 61.920638] alloc_pages_current+0x6b5/0x970 [ 61.925037] skb_page_frag_refill+0x3ba/0x5e0 [ 61.929527] sk_page_frag_refill+0xa4/0x340 [ 61.933841] __ip_append_data+0x107e/0x3d10 [ 61.938153] ip_append_data+0x2fb/0x440 [ 61.942121] raw_sendmsg+0x287b/0x3ed0 [ 61.946002] inet_sendmsg+0x48d/0x740 [ 61.949794] SYSC_sendto+0x6c3/0x7e0 [ 61.953500] SyS_sendto+0x8a/0xb0 [ 61.956945] do_syscall_64+0x309/0x430 [ 61.960826] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.966002] ================================================================== [ 61.973346] Disabling lock debugging due to kernel taint [ 61.978781] Kernel panic - not syncing: panic_on_warn set ... [ 61.978781] [ 61.986153] CPU: 0 PID: 5231 Comm: syz-executor0 Tainted: G B 4.16.0+ #81 [ 61.994283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.003623] Call Trace: [ 62.006210] dump_stack+0x185/0x1d0 [ 62.009834] panic+0x39d/0x940 [ 62.013042] ? __skb_flow_dissect+0x401f/0x6580 [ 62.017708] kmsan_report+0x238/0x240 [ 62.021503] __msan_warning_32+0x6c/0xb0 [ 62.025560] __skb_flow_dissect+0x401f/0x6580 [ 62.030048] ? __msan_chain_origin+0x69/0xc0 [ 62.034455] ? SyS_sendto+0x8a/0xb0 [ 62.038076] ? entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.043451] ? __dev_queue_xmit+0x22d9/0x2b60 [ 62.047938] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 62.053395] __skb_get_hash_symmetric+0x10b/0x230 [ 62.058236] packet_rcv_fanout+0x38f/0x8d0 [ 62.062467] ? packet_direct_xmit+0xbf0/0xbf0 [ 62.066967] dev_queue_xmit_nit+0x111a/0x11e0 [ 62.071471] dev_hard_start_xmit+0x27c/0xc70 [ 62.075882] __dev_queue_xmit+0x22d9/0x2b60 [ 62.080208] dev_queue_xmit+0x4b/0x60 [ 62.084004] neigh_resolve_output+0xac6/0xb60 [ 62.088501] ? neigh_event_ns+0x360/0x360 [ 62.092646] ip_finish_output2+0x1238/0x1380 [ 62.097060] ip_finish_output+0xcb0/0xff0 [ 62.101213] ip_output+0x502/0x5c0 [ 62.104745] ? ip_mc_finish_output+0x3b0/0x3b0 [ 62.109327] ? ip_finish_output+0xff0/0xff0 [ 62.113646] ip_send_skb+0x5f3/0x820 [ 62.117355] ? __ip_local_out+0x5b0/0x5b0 [ 62.121507] ip_push_pending_frames+0x105/0x170 [ 62.126175] raw_sendmsg+0x2960/0x3ed0 [ 62.130089] ? compat_raw_ioctl+0x100/0x100 [ 62.134405] inet_sendmsg+0x48d/0x740 [ 62.138258] ? security_socket_sendmsg+0x9e/0x210 [ 62.143104] ? inet_getname+0x500/0x500 [ 62.147073] SYSC_sendto+0x6c3/0x7e0 [ 62.150791] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 62.156244] ? prepare_exit_to_usermode+0x149/0x3a0 [ 62.161262] SyS_sendto+0x8a/0xb0 [ 62.164710] do_syscall_64+0x309/0x430 [ 62.168590] ? SYSC_getpeername+0x560/0x560 [ 62.172908] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.178090] RIP: 0033:0x455259 [ 62.181272] RSP: 002b:00007f9a0d4b4c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 62.188970] RAX: ffffffffffffffda RBX: 00007f9a0d4b56d4 RCX: 0000000000455259 [ 62.196228] RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000014 [ 62.203489] RBP: 000000000072bea0 R08: 0000000020000140 R09: 0000000000000010 [ 62.210751] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 62.218010] R13: 00000000000004f7 R14: 00000000006fa7c8 R15: 0000000000000000 [ 62.225948] Dumping ftrace buffer: [ 62.229468] (ftrace buffer empty) [ 62.233148] Kernel Offset: disabled [ 62.236748] Rebooting in 86400 seconds..