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 '10.128.0.34' (ECDSA) to the list of known hosts. 2018/04/07 08:20:31 fuzzer started 2018/04/07 08:20:32 dialing manager at 10.128.0.26:38639 2018/04/07 08:20:38 kcov=true, comps=false 2018/04/07 08:20:40 executing program 0: r0 = socket$inet6(0xa, 0x5, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) 2018/04/07 08:20:40 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f000002ef88)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000029000/0x3000)=nil, 0x3000, 0x0, 0x51, r0, 0x0) remap_file_pages(&(0x7f0000029000/0x2000)=nil, 0x2000, 0x0, 0x4, 0x0) 2018/04/07 08:20:40 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:20:40 executing program 3: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x0, 0x0) readv(r0, &(0x7f00000015c0)=[{&(0x7f0000000140)}, {&(0x7f00000014c0)=""/228, 0xe4}], 0x2) 2018/04/07 08:20:40 executing program 1: unshare(0x8000000) r0 = mq_open(&(0x7f0000000000)="2d1f05", 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x1, 0x2}) ioctl$int_in(r0, 0x5421, &(0x7f00000000c0)=0x5) mq_timedsend(r0, &(0x7f0000e71fff), 0x0, 0x0, 0x0) mq_timedsend(r0, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000000080)) 2018/04/07 08:20:40 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000567000)='/dev/sg#\x00', 0x0, 0x40002) ioctl(r0, 0x5382, &(0x7f0000ca7000)) 2018/04/07 08:20:40 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000567000)='/dev/sg#\x00', 0x0, 0x40002) ioctl(r0, 0x5387, &(0x7f0000000000)) 2018/04/07 08:20:40 executing program 6: r0 = syz_open_dev$sg(&(0x7f0000567000)='/dev/sg#\x00', 0x0, 0x40002) ioctl(r0, 0x5381, &(0x7f0000000000)) syzkaller login: [ 42.956130] ip (3746) used greatest stack depth: 54888 bytes left [ 43.023081] ip (3751) used greatest stack depth: 54688 bytes left [ 43.635218] ip (3807) used greatest stack depth: 54656 bytes left [ 44.078678] ip (3850) used greatest stack depth: 54200 bytes left [ 46.474723] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.680206] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.717137] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.725304] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.837211] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.889721] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.905515] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.998856] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.240965] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.418197] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.462990] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.540644] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.557509] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.802812] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.850740] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.903163] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.967086] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.975248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.986570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.190161] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.196438] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.205647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.238188] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.249428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.276784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.320515] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.326936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.340944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.371841] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.379141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.417537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.608089] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.614347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.630951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.670799] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.679537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.701820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.739220] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.756741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.789405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.479117] mmap: syz-executor2 (5034) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. 2018/04/07 08:20:57 executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000ae0ff8)=@abs={0x1}, 0x8) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000040)=@abs={0x1}, 0x8) 2018/04/07 08:20:57 executing program 4: mmap(&(0x7f0000000000/0xf50000)=nil, 0xf50000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$ARPT_SO_SET_REPLACE(r0, 0x0, 0x60, &(0x7f0000000d80)={'filter\x00', 0x7, 0x4, 0x3d0, 0x0, 0x200, 0x0, 0x2e8, 0x2e8, 0x2e8, 0x4, &(0x7f000002d000), {[{{@uncond, 0xc0, 0x100}, @unspec=@RATEEST={0x40, 'RATEEST\x00', 0x0, {'syz0\x00'}}}, {{@uncond, 0xc0, 0x100}, @unspec=@RATEEST={0x40, 'RATEEST\x00', 0x0, {'syz0\x00'}}}, {{@uncond, 0xc0, 0xe8}, @unspec=@NFQUEUE0={0x28, 'NFQUEUE\x00'}}], {{[], 0xc0, 0xe8}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x420) 2018/04/07 08:20:57 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:20:57 executing program 2: r0 = syz_open_dev$sndtimer(&(0x7f0000003000)='/dev/snd/timer\x00', 0x0, 0x0) mlock2(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0f85403, &(0x7f0000edaf20)={{0x1}, 0x0, 0x0, 'id0\x00', 'timer0\x00'}) 2018/04/07 08:20:57 executing program 6: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000dd0000), 0x4) syz_emit_ethernet(0x3ab, &(0x7f0000395000)={@empty, @link_local={0x1, 0x80, 0xc2}, [{[], {0x8100}}], {@generic={0x88a8}}}, &(0x7f0000867fe8)) 2018/04/07 08:20:57 executing program 1: r0 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$join(0x1, &(0x7f0000000080)={0x73, 0x79, 0x7a}) keyctl$set_timeout(0xf, r0, 0x0) 2018/04/07 08:20:57 executing program 5: r0 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) r2 = add_key$user(&(0x7f00003bd000)='user\x00', &(0x7f0000a00000)={0x73, 0x79, 0x7a}, &(0x7f0000facfff)="01", 0x1, r1) r3 = add_key$user(&(0x7f0000fc0ffb)='user\x00', &(0x7f0000752ffb)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00003eb000)="b3", 0x1, r1) keyctl$update(0x2, r3, &(0x7f0000000240)="df02754677212dfc3e2acc26fdc3ffa64813da494137e175e9f2780ac5e2a09f43a1fcebf272a5a135de92bf4a9033933824f6e6aa023895113293535d1c0066d20e0f275188b4b4c187e18774fc2227cbb60fc6697f5337726164c8fbe1181e6d50986cd98a5c44ac0ec375deb27eafcf7d06438f252510d87bd91d03e7dc2faed85adcd88ca30e75b1e143a72d94defa187e48b89efbbbcc9b9a9a307353df7a21affce4e9149eb122cbc356cb681365afd979e97b57b596e901864a68679f", 0xc0) keyctl$dh_compute(0x17, &(0x7f0000000100)={r2, r3, r3}, &(0x7f0000000140)=""/5, 0x1b9, &(0x7f00000001c0)={&(0x7f0000000180)={'sha384-avx2\x00'}}) 2018/04/07 08:20:57 executing program 3: r0 = socket$packet(0x11, 0x400000000000003, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000dd0000), 0x4) syz_emit_ethernet(0x12, &(0x7f0000000040)={@empty, @link_local={0x1, 0x80, 0xc2}, [{[], {0x8100}}], {@generic={0x88a8}}}, &(0x7f0000867fe8)) 2018/04/07 08:20:57 executing program 1: r0 = socket(0xa, 0x1, 0x0) setsockopt$ARPT_SO_SET_REPLACE(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000000)=ANY=[@ANYBLOB='filter'], 0x1) clone(0x0, &(0x7f0000000440), &(0x7f0000000500), &(0x7f0000000540), &(0x7f0000000580)) getsockopt(r0, 0x0, 0x40, &(0x7f0000000000)=""/84, &(0x7f0000001ffc)=0x54) 2018/04/07 08:20:57 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/sockstat6\x00') r1 = syz_open_dev$urandom(&(0x7f0000ba5000)='/dev/urandom\x00', 0x0, 0x1) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000000), 0x4) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/04/07 08:20:58 executing program 6: munmap(&(0x7f0000008000/0x2000)=nil, 0x2000) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = dup2(r0, r0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000002740)={@loopback={0x0, 0x1}}, 0xff62) 2018/04/07 08:20:58 executing program 0: r0 = socket$inet(0x10, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000080)=@ethtool_perm_addr={0x20}}) 2018/04/07 08:20:58 executing program 3: mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x1, &(0x7f0000527ff8)=0x3, 0x1b, 0x0) get_mempolicy(&(0x7f0000000040), &(0x7f0000000000), 0x800, &(0x7f00004aa000/0x4000)=nil, 0x2) 2018/04/07 08:20:58 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:20:58 executing program 5: mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x0, 0x18071, 0xffffffffffffffff, 0x0) r0 = socket(0x2, 0x3, 0xff) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f0000000540)) 2018/04/07 08:20:58 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/sockstat6\x00') r1 = syz_open_dev$urandom(&(0x7f0000ba5000)='/dev/urandom\x00', 0x0, 0x1) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000000), 0x4) sendfile(r1, r0, &(0x7f0000fd9ff8), 0x100000001) 2018/04/07 08:20:58 executing program 6: capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f0000032fe8)) r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f0000000000)={{0x2, 0x4e20, @dev={0xac, 0x14, 0x14}}, {0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x0, {0x2, 0x4e20, @multicast1=0xe0000001}, "00ffffffffffffff00"}) 2018/04/07 08:20:58 executing program 4: r0 = socket$inet6(0xa, 0x400000002, 0x0) bind$inet6(r0, &(0x7f0000932fe4)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}, 0x2}, 0x1c) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'tunl0\x00', 0x0}) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x32, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}, r1}, 0x14) 2018/04/07 08:20:58 executing program 3: mkdir(&(0x7f000066cff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f000000aff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000001c000)) rename(&(0x7f00000001c0)='./file0\x00', &(0x7f0000ab3ff0)='./file0/control\x00') 2018/04/07 08:20:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) getsockopt$netlink(r0, 0x10e, 0x4, &(0x7f0000000000)=""/80, &(0x7f0000000080)=0x50) [ 58.413585] capability: warning: `syz-executor6' uses 32-bit capabilities (legacy support in use) 2018/04/07 08:20:58 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_buf(r0, 0x0, 0x200000000000043, &(0x7f0000f39000)=""/30, &(0x7f0000000000)=0xff7b) 2018/04/07 08:20:58 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f000060c000)='oom_score_adj\x00') r1 = syz_open_procfs(0x0, &(0x7f000067fff8)='syscall\x00') sendfile(r0, r1, &(0x7f0000000040)=0x4, 0x800000200000006) 2018/04/07 08:20:58 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:20:58 executing program 4: personality(0x1bb2baf3005ac137) mkdir(&(0x7f000002b000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000002c000)='./file0\x00', &(0x7f00001d0ffa)='ramfs\x00', 0x1000818, &(0x7f000000a000)) creat(&(0x7f0000f66ff4)='./file0/bus\x00', 0x0) r0 = open$dir(&(0x7f0000eb6000)='./file0/bus\x00', 0x0, 0x0) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x0) mprotect(&(0x7f0000ffa000/0x2000)=nil, 0x2000, 0x1) 2018/04/07 08:20:58 executing program 1: mmap(&(0x7f0000000000/0xff7000)=nil, 0xff7000, 0x0, 0x132, 0xffffffffffffffff, 0x0) r0 = socket(0x18, 0x0, 0x1) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x111, 0x11, &(0x7f000087bff8), &(0x7f00000cfffe)=0x8) 2018/04/07 08:20:58 executing program 6: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_int(r0, 0x0, 0x31, &(0x7f0000000000), 0x0) 2018/04/07 08:20:58 executing program 0: r0 = memfd_create(&(0x7f0000002901)='dev ', 0x0) write(r0, &(0x7f00000000c0)="0bd4715f26d5f7d0", 0x8) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) clock_nanosleep(0x0, 0x0, &(0x7f0000000000), &(0x7f0000000140)) 2018/04/07 08:20:58 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:20:58 executing program 3: fchmodat(0xffffffffffffffff, &(0x7f0000000500)='/', 0x0) 2018/04/07 08:20:58 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_ifreq(r0, 0x89f9, &(0x7f00000002c0)={"73697430000000003f6a3ea4d7e0879c", @ifru_data=&(0x7f0000000000)="9089fc5f73b95099220fb64c6e36e03d2d40cb32cd6db269341300cf98dfece1"}) 2018/04/07 08:20:58 executing program 4: r0 = socket(0x10, 0x3, 0x0) ioctl$sock_ifreq(r0, 0x89f3, &(0x7f0000000000)={'ip6_vti0\x00', @ifru_addrs=@in={0x2, 0x4e20, @rand_addr}}) 2018/04/07 08:20:58 executing program 2: mmap(&(0x7f0000000000/0xe62000)=nil, 0xe62000, 0x1000004, 0x32, 0xffffffffffffffff, 0x0) sched_setattr(0x0, &(0x7f0000000000), 0x0) 2018/04/07 08:20:59 executing program 5: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000000)='ns\x00') exit(0x0) getdents64(r1, &(0x7f0000000040)=""/188, 0xbc) 2018/04/07 08:20:59 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000265ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl(r0, 0x227a, &(0x7f0000000000)) 2018/04/07 08:20:59 executing program 6: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000000)='ns\x00') exit(0x0) fstat(r1, &(0x7f0000000180)) 2018/04/07 08:20:59 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x1, 0x2000000000000004, 0xb}, 0x2c) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x5, 0x1, 0x4, 0x5, 0x10}, 0x2c) r1 = bpf$MAP_CREATE(0x0, &(0x7f00003d7fd4)={0xd, 0x4, 0x4, 0x100000001, 0x0, r0}, 0x24) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00005f1000)={r1, &(0x7f0000eed000), &(0x7f0000b88000)="13"}, 0x20) 2018/04/07 08:20:59 executing program 0: r0 = syz_open_dev$sndseq(&(0x7f0000e35000)='/dev/snd/seq\x00', 0x0, 0x20000201) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000634f74)={0x0, 0x0, 0x0, 'queue0\x00'}) write$sndseq(r0, &(0x7f000055a000)=[{0x187, 0xfffffffffffffff7, 0x0, 0x0, @tick, {}, {}, @quote={{}, 0x1, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @raw8={"ec367753f738b6c182c8317c"}}}}], 0xfffffffffffffd8c) 2018/04/07 08:21:00 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000180)) fallocate(r1, 0x1, 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$cgroup_pid(r1, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x339) setsockopt$inet_sctp_SCTP_AUTOCLOSE(0xffffffffffffffff, 0x84, 0x4, &(0x7f00000000c0)=0x9, 0x4) fallocate(r1, 0x3, 0x7fff, 0x1a8) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/if_inet6\x00') r3 = socket$inet_tcp(0x2, 0x1, 0x0) sendfile(r3, r2, &(0x7f0000c48ff8)=0x1ffffff, 0x1) ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000100)={0x0, 0x2}) creat(&(0x7f00000001c0)='./file0\x00', 0x6) 2018/04/07 08:21:00 executing program 5: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-net\x00', 0x2, 0x0) unshare(0x8000400) ioctl$int_in(r0, 0xaf02, &(0x7f00001e3000)) ioctl$SNDRV_TIMER_IOCTL_INFO(r0, 0x80e85411, &(0x7f0000000000)=""/231) 2018/04/07 08:21:00 executing program 4: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84800) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f0000000040)={0x1, 0xffff, 0xfffffffffffffe00, 0x3be, 0x1, 0x6}) execveat(0xffffffffffffffff, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000240), &(0x7f0000000300), 0x100) 2018/04/07 08:21:00 executing program 2: unshare(0x800400008000400) r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x0, 0x0) preadv(r0, &(0x7f0000000480)=[{&(0x7f0000002680)=""/4096, 0x1000}], 0x1, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) 2018/04/07 08:21:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) geteuid() setsockopt$sock_timeval(r0, 0x1, 0x34, &(0x7f0000000040)={0x3, 0xfff}, 0x18) 2018/04/07 08:21:00 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:21:00 executing program 6: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) bind$inet6(r0, &(0x7f0000fa8fe4)={0xa, 0x4e23}, 0x1c) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(0xffffffffffffff9c, 0x84, 0x6c, &(0x7f0000000000)={0x0, 0xa9, "c6a1277ed0996ecec01780162aaa00636ae92c7f2a8ce7353669d30db9f9e4d470b6b2a12c117dfbd96072fb8d837b858b7536f6932d6aaa7bf86257f444e4bc415b762c89190b0b735f9d7e518a6db5cea572b02fc5d9863bc9ce5886d4b0114ad49b2c577bef01e6183b74b6ddf02f177c048933ceb60df0d6bfbc5ab50315b8f3b44a1f564fd5300538ded63370762ba39276adbf65acad12bc73b7cc66e4983ce9ed47c6a8045f"}, &(0x7f00000000c0)=0xb1) setsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000100)={r1, 0x77e3}, 0x8) connect$inet6(r0, &(0x7f0000966fe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) shutdown(r0, 0x1) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000140), 0x14) 2018/04/07 08:21:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000036fc8)={&(0x7f0000007000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000021000)=@ipv4_newroute={0x24, 0x18, 0x21, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x1}, [@RTA_GATEWAY={0x8, 0x5, @loopback=0x7f000001}]}, 0x24}, 0x1}, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000000)=0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f00000000c0)=@assoc_value={0x0, 0x7}, &(0x7f0000000100)=0x8) sched_rr_get_interval(r1, &(0x7f0000000180)) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000140)={r3, 0xa5}, 0x8) sched_rr_get_interval(r1, &(0x7f0000000040)) 2018/04/07 08:21:00 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000180)) fallocate(r1, 0x1, 0x0, 0x0) perf_event_open(&(0x7f0000940000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$cgroup_pid(r1, &(0x7f0000000100)=ANY=[], 0x1023c) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x339) setsockopt$inet_sctp_SCTP_AUTOCLOSE(0xffffffffffffffff, 0x84, 0x4, &(0x7f00000000c0)=0x9, 0x4) fallocate(r1, 0x3, 0x7fff, 0x1a8) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/if_inet6\x00') r3 = socket$inet_tcp(0x2, 0x1, 0x0) sendfile(r3, r2, &(0x7f0000c48ff8)=0x1ffffff, 0x1) ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000100)={0x0, 0x2}) creat(&(0x7f00000001c0)='./file0\x00', 0x6) 2018/04/07 08:21:00 executing program 2: r0 = socket(0x100000001e, 0x1, 0x0) ioctl$TIOCCONS(r0, 0x541d) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x200, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(r1, 0x40106410, &(0x7f0000000140)={0x55, &(0x7f00000000c0)="4e68d8ff91661139c082750950038b7c1ab7f0c9b8d5919746973cf1c438703e66364bc8c8751d06ed9fab6b315568565744b3e2947137e88a38f1f41c0ea86938de99a5a26eee9370bc08ef2bb04bb824fcf7e9bb"}) fchmod(r0, 0x166) setsockopt(r0, 0x100000040000010f, 0x7f, &(0x7f0000000000)="9b606670", 0x4) setsockopt(r0, 0x1ff, 0xbf, &(0x7f0000000040)="da5b337cff0eb447a132083c94f84448ce195ce9bab2c6b550cd36b273c9dd1927ac086757b0eb4c96277b8909471bdecce1fb6e82c3", 0x36) 2018/04/07 08:21:00 executing program 5: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00002ac000)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, &(0x7f0000c97ff8)) r1 = fcntl$dupfd(r0, 0x406, r0) sendto$llc(r1, &(0x7f0000000000)="c5be93a47de27a3c8e2726295a192a9254e9cc191de4de40f0c8332a04545bf7d6dff09329e09e93b219c0163c86604d95b871ce7e80b5c2028442cd0b0022b0c48a17b5fb2482bb18ef45ac880415c91e987a559fdf7f7a89d2c78b18b4ed81b963a804a32e2a258e3848289cad1e068af0da0492e75715e76b210927de8c5658f23312c91d9b6643a377830c61df3751231e9c05b9d4a012ab44643d9eb3e6aeb458194d654be006e0aa46d993c227d27e8393453e3b4981160071c51ac08e3a48fa728dc5d86b0020192b5235f896d628b20f", 0xd4, 0x4004, &(0x7f0000000180)={0x1a, 0x336, 0x8, 0x8, 0x3, 0xb987, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) getegid() ioctl$sock_inet_tcp_SIOCOUTQNSD(0xffffffffffffffff, 0x894b, &(0x7f0000000100)) ioctl$sock_inet6_udp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000200)) ioctl$TIOCSBRK(r1, 0x5427) ioctl$VHOST_SET_LOG_BASE(r1, 0x4008af04, &(0x7f0000000140)=&(0x7f00000002c0)) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f00000001c0)='bic\x00', 0x4) getegid() 2018/04/07 08:21:00 executing program 3: r0 = accept4$inet(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, @multicast1}, &(0x7f0000000080)=0x10, 0x80000) fcntl$setflags(r0, 0x2, 0x1) r1 = socket(0x200000000010, 0x2, 0x0) write(r1, &(0x7f0000000000)="2400000026007f000000000000007701000000ff0100000000000900ffffffff0100ff10", 0x24) 2018/04/07 08:21:00 executing program 7: r0 = syz_open_dev$vcsa(&(0x7f000077cff5)='/dev/vcsa#\x00', 0x70, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:21:00 executing program 0: r0 = socket(0xa, 0x3, 0x2) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000000000)=ANY=[@ANYBLOB="0068d5151d65a904d7000000000000000000000002"]) ioctl(r0, 0x8916, &(0x7f0000000000)) ioctl(r0, 0x8936, &(0x7f0000000200)) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000300)={0x0, 0x88, "c311410c4f563bd1554d2ac58bf8a124cf8649f025d742e55e8a370541105adefb3f4f5df3ec3e69f79976d2097b38d8a71b1f2ea4e3b83bc32d8c2127364d5786e3627173714dcb4e98e8ddfb1b2ef1718b73a20a36915431041e98204de6ad0ed4283bf42edb78e89c6826d97d10f09f9e8f8aa0cffa92ae290fd5acfee29283852444a40d12f5"}, &(0x7f0000000180)=0x90) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000040)={0x0, @in={{0x2, 0x4e22, @rand_addr=0x8}}}, &(0x7f0000000240)=0xfffffffffffffddb) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f00000001c0)=ANY=[@ANYRES32], 0x1) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000140)=0x761, 0x4) getsockopt$bt_hci(r0, 0x0, 0x1, &(0x7f00000003c0)=""/184, &(0x7f0000000100)=0xb8) 2018/04/07 08:21:00 executing program 4: r0 = memfd_create(&(0x7f0000002901)='dev ', 0x0) write(r0, &(0x7f0000000080)="16", 0x1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000000000)) 2018/04/07 08:21:00 executing program 7: perf_event_open(&(0x7f0000000140)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000040)=""/1, 0x1}], 0x4d) 2018/04/07 08:21:00 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000000000)=ANY=[@ANYBLOB="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"], 0x50}, 0x1}, 0x0) 2018/04/07 08:21:00 executing program 3: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000080)='sessionid\x00') exit(0x0) readv(r1, &(0x7f000004ffe0)=[{&(0x7f0000000000)=""/128, 0xe6}], 0x222) 2018/04/07 08:21:00 executing program 0: r0 = getpgrp(0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xffffffffffffff7f}, 0x0, 0x8) rt_tgsigqueueinfo(r0, r1, 0x8000000011, &(0x7f0000000180)={0x0, 0x0, 0x3}) r2 = signalfd4(0xffffffffffffffff, &(0x7f0000000ff8)={0xfffffffffffffdb0}, 0x8, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) read(r2, &(0x7f0000481000)=""/128, 0x80) 2018/04/07 08:21:00 executing program 5: capset(&(0x7f00001e8ff8)={0x19980330}, &(0x7f00003fd000)) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) chdir(&(0x7f0000000080)='./file0\x00') 2018/04/07 08:21:00 executing program 1: r0 = socket(0x11, 0x4000000000080003, 0x0) setsockopt$packet_int(r0, 0x107, 0x13, &(0x7f0000a1a000), 0xffffffffffffff3c) 2018/04/07 08:21:00 executing program 2: mkdir(&(0x7f0000000080)='./file0\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) renameat2(r0, &(0x7f00000000c0)='./file0/', 0xffffffffffffffff, &(0x7f0000000040)='/', 0x1) 2018/04/07 08:21:00 executing program 1: capset(&(0x7f00000fc000)={0x19980330}, &(0x7f0000244000)) capset(&(0x7f0000000040)={0x20080522}, &(0x7f0000000080)) 2018/04/07 08:21:00 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000ee1fa8)={0x26, 'hash\x00', 0x0, 0x0, 'crct10dif-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x9) sendfile(r1, r2, 0x0, 0x3) 2018/04/07 08:21:00 executing program 4: unshare(0x40600) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x5, 0x6, 0x4, 0x8}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000040), &(0x7f00000000c0)}, 0x20) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000080)={r0, &(0x7f0000000040)}, 0x10) 2018/04/07 08:21:00 executing program 6: userfaultfd(0x0) unshare(0x40600) r0 = memfd_create(&(0x7f000003affa)="706f73fb00000000000000566f6573737b0000", 0x0) pwrite64(r0, &(0x7f000003bfff), 0x0, 0x0) [ 60.731248] ================================================================== [ 60.738667] BUG: KMSAN: uninit-value in crc_t10dif_generic+0x155/0x1b0 [ 60.745337] CPU: 1 PID: 5290 Comm: syz-executor2 Not tainted 4.16.0+ #81 [ 60.752173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.761519] Call Trace: [ 60.764115] dump_stack+0x185/0x1d0 [ 60.767751] ? crc_t10dif_generic+0x155/0x1b0 [ 60.772247] kmsan_report+0x142/0x240 [ 60.776079] __msan_warning_32+0x6c/0xb0 [ 60.780144] crc_t10dif_generic+0x155/0x1b0 [ 60.784474] chksum_finup+0xc6/0x150 [ 60.788196] ? chksum_final+0xe0/0xe0 [ 60.791996] shash_ahash_finup+0x468/0xa30 [ 60.796239] shash_ahash_digest+0x5c6/0x600 [ 60.800565] shash_async_digest+0x11c/0x1b0 [ 60.804891] crypto_ahash_op+0x89a/0xc10 [ 60.808957] ? __kmalloc+0x23c/0x350 [ 60.812668] ? shash_async_finup+0x1b0/0x1b0 [ 60.817081] ? shash_async_finup+0x1b0/0x1b0 [ 60.821495] crypto_ahash_digest+0xe4/0x160 [ 60.825823] hash_sendpage+0xb40/0xe10 [ 60.829717] ? hash_recvmsg+0xd50/0xd50 [ 60.833699] sock_sendpage+0x1de/0x2c0 [ 60.837593] pipe_to_sendpage+0x31b/0x430 [ 60.841749] ? sock_fasync+0x2b0/0x2b0 [ 60.845648] ? propagate_umount+0x3a30/0x3a30 [ 60.850147] __splice_from_pipe+0x49a/0xf30 [ 60.854477] ? generic_splice_sendpage+0x2a0/0x2a0 [ 60.859415] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 60.864787] generic_splice_sendpage+0x1c6/0x2a0 [ 60.869557] ? iter_file_splice_write+0x1710/0x1710 [ 60.874580] ? iter_file_splice_write+0x1710/0x1710 [ 60.879605] direct_splice_actor+0x19b/0x200 [ 60.884027] splice_direct_to_actor+0x764/0x1040 [ 60.888792] ? do_splice_direct+0x540/0x540 [ 60.893121] ? security_file_permission+0x28f/0x4b0 [ 60.898143] ? rw_verify_area+0x35e/0x580 [ 60.902303] do_splice_direct+0x335/0x540 [ 60.906460] do_sendfile+0x1067/0x1e40 [ 60.910367] SYSC_sendfile64+0x297/0x300 [ 60.914438] SyS_sendfile64+0x64/0x90 [ 60.918241] do_syscall_64+0x309/0x430 [ 60.922139] ? SYSC_sendfile+0x320/0x320 [ 60.926208] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 60.931392] RIP: 0033:0x455259 [ 60.934573] RSP: 002b:00007fa7eaf3ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 60.942286] RAX: ffffffffffffffda RBX: 00007fa7eaf3f6d4 RCX: 0000000000455259 [ 60.949556] RDX: 0000000000000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 60.956823] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 60.964090] R10: 0000000000000003 R11: 0000000000000246 R12: 00000000ffffffff [ 60.971361] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 60.978630] [ 60.980259] Uninit was created at: [ 60.983800] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 60.988819] kmsan_alloc_page+0x82/0xe0 [ 60.992801] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 60.997563] alloc_pages_vma+0xcc8/0x1800 [ 61.001712] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 61.006738] shmem_getpage_gfp+0x35db/0x5770 [ 61.011148] shmem_fallocate+0xde2/0x1610 [ 61.015302] vfs_fallocate+0x9dc/0xde0 [ 61.019186] SYSC_fallocate+0x119/0x1d0 [ 61.023163] SyS_fallocate+0x64/0x90 [ 61.026880] do_syscall_64+0x309/0x430 [ 61.030775] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.035953] ================================================================== [ 61.043307] Disabling lock debugging due to kernel taint [ 61.048747] Kernel panic - not syncing: panic_on_warn set ... [ 61.048747] [ 61.056096] CPU: 1 PID: 5290 Comm: syz-executor2 Tainted: G B 4.16.0+ #81 [ 61.064211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.073554] Call Trace: [ 61.076126] dump_stack+0x185/0x1d0 [ 61.079740] panic+0x39d/0x940 [ 61.082949] ? crc_t10dif_generic+0x155/0x1b0 [ 61.087441] kmsan_report+0x238/0x240 [ 61.091233] __msan_warning_32+0x6c/0xb0 [ 61.095277] crc_t10dif_generic+0x155/0x1b0 [ 61.099589] chksum_finup+0xc6/0x150 [ 61.103285] ? chksum_final+0xe0/0xe0 [ 61.107072] shash_ahash_finup+0x468/0xa30 [ 61.111302] shash_ahash_digest+0x5c6/0x600 [ 61.115614] shash_async_digest+0x11c/0x1b0 [ 61.119930] crypto_ahash_op+0x89a/0xc10 [ 61.123973] ? __kmalloc+0x23c/0x350 [ 61.127666] ? shash_async_finup+0x1b0/0x1b0 [ 61.132069] ? shash_async_finup+0x1b0/0x1b0 [ 61.136471] crypto_ahash_digest+0xe4/0x160 [ 61.140776] hash_sendpage+0xb40/0xe10 [ 61.144645] ? hash_recvmsg+0xd50/0xd50 [ 61.148604] sock_sendpage+0x1de/0x2c0 [ 61.152481] pipe_to_sendpage+0x31b/0x430 [ 61.156621] ? sock_fasync+0x2b0/0x2b0 [ 61.160494] ? propagate_umount+0x3a30/0x3a30 [ 61.164981] __splice_from_pipe+0x49a/0xf30 [ 61.169287] ? generic_splice_sendpage+0x2a0/0x2a0 [ 61.174200] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 61.179546] generic_splice_sendpage+0x1c6/0x2a0 [ 61.184288] ? iter_file_splice_write+0x1710/0x1710 [ 61.189286] ? iter_file_splice_write+0x1710/0x1710 [ 61.194285] direct_splice_actor+0x19b/0x200 [ 61.198677] splice_direct_to_actor+0x764/0x1040 [ 61.203415] ? do_splice_direct+0x540/0x540 [ 61.207717] ? security_file_permission+0x28f/0x4b0 [ 61.212738] ? rw_verify_area+0x35e/0x580 [ 61.216882] do_splice_direct+0x335/0x540 [ 61.221022] do_sendfile+0x1067/0x1e40 [ 61.224908] SYSC_sendfile64+0x297/0x300 [ 61.229657] SyS_sendfile64+0x64/0x90 [ 61.233443] do_syscall_64+0x309/0x430 [ 61.237337] ? SYSC_sendfile+0x320/0x320 [ 61.241389] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.246556] RIP: 0033:0x455259 [ 61.249733] RSP: 002b:00007fa7eaf3ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 61.257433] RAX: ffffffffffffffda RBX: 00007fa7eaf3f6d4 RCX: 0000000000455259 [ 61.264680] RDX: 0000000000000000 RSI: 0000000000000015 RDI: 0000000000000014 [ 61.271926] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 61.279174] R10: 0000000000000003 R11: 0000000000000246 R12: 00000000ffffffff [ 61.286423] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 61.294166] Dumping ftrace buffer: [ 61.297682] (ftrace buffer empty) [ 61.301363] Kernel Offset: disabled [ 61.304963] Rebooting in 86400 seconds..