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 '10.128.0.13' (ECDSA) to the list of known hosts. 2018/04/06 22:52:08 fuzzer started 2018/04/06 22:52:08 dialing manager at 10.128.0.26:38639 2018/04/06 22:52:14 kcov=true, comps=false 2018/04/06 22:52:17 executing program 0: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0x7c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x1000001, 0x32, 0xffffffffffffffff, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000080), 0x0) 2018/04/06 22:52:17 executing program 2: setrlimit(0x7, &(0x7f0000000080)) epoll_create(0x7) 2018/04/06 22:52:17 executing program 7: clone(0x89000300, &(0x7f0000000200), &(0x7f00000001c0), &(0x7f0000000280), &(0x7f0000001000)) 2018/04/06 22:52:17 executing program 3: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x8000000) socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f00000003c0)) r0 = mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x5, 0x2}) readv(r0, &(0x7f0000000340)=[{&(0x7f0000000180)=""/199, 0xc7}], 0x1) 2018/04/06 22:52:17 executing program 5: syz_open_dev$sg(&(0x7f0000961000)='/dev/sg#\x00', 0x0, 0x0) setsockopt$inet_mreqsrc(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000)={@rand_addr, @broadcast=0xffffffff, @dev={0xac, 0x14}}, 0xc) rt_sigaction(0x7, &(0x7f0000000000)={0xffffffffffffff0f}, &(0x7f0000d4efe8), 0x8, &(0x7f0000312ff8)) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x4, 0x44031, 0xffffffffffffffff, 0x0) syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x0, 0x0) 2018/04/06 22:52:17 executing program 6: r0 = open(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000005580)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r1) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_pid(r2, &(0x7f0000000580)=ANY=[], 0xfffffce5) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r0, &(0x7f0000000040)={0x10}) getresuid(&(0x7f0000000240), &(0x7f0000000280)=0x0, &(0x7f0000000340)) chown(&(0x7f0000000200)='./file0\x00', r3, 0x0) fchmod(r2, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005380), 0x0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f00000001c0)='task\x00') mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x10, 0xffffffffffffffff, 0x0) 2018/04/06 22:52:17 executing program 1: set_tid_address(&(0x7f00000000c0)) 2018/04/06 22:52:17 executing program 4: open(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000005580)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_pid(r1, &(0x7f0000000580)=ANY=[], 0xfffffce5) fchmod(r1, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005380), 0x0, 0x0, 0x0) clone(0x0, &(0x7f0000f88000), &(0x7f00002b0ffc), &(0x7f0000714ffc), &(0x7f0000e1bf43)) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x400080}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000066c0)=[{{&(0x7f00000002c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @multicast1}}}}, 0x80, &(0x7f0000000940), 0x0, &(0x7f0000000980)=""/4096, 0x1000}}], 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syzkaller login: [ 42.649528] ip (3743) used greatest stack depth: 54688 bytes left [ 43.039761] ip (3779) used greatest stack depth: 54672 bytes left [ 43.493629] ip (3822) used greatest stack depth: 54312 bytes left [ 44.562233] ip (3920) used greatest stack depth: 54200 bytes left [ 46.286408] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.335976] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.345821] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.550953] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.603153] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.778524] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.802418] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.876454] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.142249] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.304652] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.369928] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.471242] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.710385] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.729705] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.863390] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.885732] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.926741] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.933079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.943180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.014167] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.020422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.036593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.123089] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.129381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.142751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.305948] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.312430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.328602] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.557560] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.563886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.575155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.606261] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.617501] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.633548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.664984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.696306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.722728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.801987] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.810222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.821605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/06 22:52:35 executing program 0: 2018/04/06 22:52:35 executing program 2: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, 0xffffffffffffffff, 0x0) clock_adjtime(0x0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}) 2018/04/06 22:52:35 executing program 3: 2018/04/06 22:52:35 executing program 7: 2018/04/06 22:52:35 executing program 1: 2018/04/06 22:52:35 executing program 5: 2018/04/06 22:52:35 executing program 4: open(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000005580)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_pid(r1, &(0x7f0000000580)=ANY=[], 0xfffffce5) fchmod(r1, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005380), 0x0, 0x0, 0x0) clone(0x0, &(0x7f0000f88000), &(0x7f00002b0ffc), &(0x7f0000714ffc), &(0x7f0000e1bf43)) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x400080}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000066c0)=[{{&(0x7f00000002c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @multicast1}}}}, 0x80, &(0x7f0000000940), 0x0, &(0x7f0000000980)=""/4096, 0x1000}}], 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x10, 0xffffffffffffffff, 0x0) 2018/04/06 22:52:35 executing program 6: r0 = open(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000005580)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r1) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_pid(r2, &(0x7f0000000580)=ANY=[], 0xfffffce5) epoll_ctl$EPOLL_CTL_MOD(r2, 0x3, r0, &(0x7f0000000040)={0x10}) getresuid(&(0x7f0000000240), &(0x7f0000000280)=0x0, &(0x7f0000000340)) chown(&(0x7f0000000200)='./file0\x00', r3, 0x0) fchmod(r2, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005380), 0x0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f00000001c0)='task\x00') mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x10, 0xffffffffffffffff, 0x0) 2018/04/06 22:52:35 executing program 5: 2018/04/06 22:52:35 executing program 0: 2018/04/06 22:52:35 executing program 1: 2018/04/06 22:52:35 executing program 7: 2018/04/06 22:52:35 executing program 3: 2018/04/06 22:52:35 executing program 2: 2018/04/06 22:52:36 executing program 5: 2018/04/06 22:52:36 executing program 1: 2018/04/06 22:52:36 executing program 3: 2018/04/06 22:52:36 executing program 0: 2018/04/06 22:52:36 executing program 7: 2018/04/06 22:52:36 executing program 2: 2018/04/06 22:52:36 executing program 6: 2018/04/06 22:52:36 executing program 4: open(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000005580)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) write$cgroup_pid(r1, &(0x7f0000000580)=ANY=[], 0xfffffce5) fchmod(r1, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005380), 0x0, 0x0, 0x0) clone(0x0, &(0x7f0000f88000), &(0x7f00002b0ffc), &(0x7f0000714ffc), &(0x7f0000e1bf43)) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x400080}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000066c0)=[{{&(0x7f00000002c0)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @multicast1}}}}, 0x80, &(0x7f0000000940), 0x0, &(0x7f0000000980)=""/4096, 0x1000}}], 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x10, 0xffffffffffffffff, 0x0) 2018/04/06 22:52:36 executing program 2: 2018/04/06 22:52:36 executing program 5: 2018/04/06 22:52:36 executing program 0: 2018/04/06 22:52:36 executing program 1: 2018/04/06 22:52:36 executing program 3: 2018/04/06 22:52:36 executing program 7: 2018/04/06 22:52:36 executing program 6: 2018/04/06 22:52:36 executing program 1: 2018/04/06 22:52:36 executing program 5: 2018/04/06 22:52:37 executing program 0: r0 = perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket(0x2, 0x1, 0x0) listen(r1, 0x0) accept4(r1, &(0x7f00002c0fec)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00003bd000)=0x5f, 0x0) r2 = gettid() timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12}, &(0x7f0000044000)) dup3(r0, r1, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000200)={{0x0, 0x8}, {0x0, 0x989680}}, &(0x7f00000001c0)) tkill(r2, 0x1000000000013) 2018/04/06 22:52:37 executing program 2: 2018/04/06 22:52:37 executing program 3: 2018/04/06 22:52:37 executing program 7: 2018/04/06 22:52:37 executing program 6: 2018/04/06 22:52:37 executing program 1: 2018/04/06 22:52:37 executing program 4: mkdir(&(0x7f0000639000)='./file0\x00', 0x0) truncate(&(0x7f0000000000)='./file0\x00', 0x0) 2018/04/06 22:52:37 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup\x00', 0x200002, 0x0) io_setup(0x5, &(0x7f0000000000)=0x0) fchdir(r0) r2 = creat(&(0x7f00000005c0)='./file1\x00', 0x0) dup3(r2, r0, 0x0) fcntl$setstatus(r0, 0x4, 0x4c00) io_submit(r1, 0x1, &(0x7f00000006c0)=[&(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000180)}]) 2018/04/06 22:52:37 executing program 2: 2018/04/06 22:52:37 executing program 3: 2018/04/06 22:52:37 executing program 1: 2018/04/06 22:52:37 executing program 6: 2018/04/06 22:52:37 executing program 7: 2018/04/06 22:52:37 executing program 2: io_submit(0x0, 0x0, &(0x7f0000000480)) 2018/04/06 22:52:37 executing program 5: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) futex(&(0x7f0000000040), 0x0, 0x0, &(0x7f0000001ff0), &(0x7f0000000ffc), 0x0) 2018/04/06 22:52:37 executing program 4: bind$inet6(0xffffffffffffffff, &(0x7f0000000140)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x1c) sync() 2018/04/06 22:52:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'vmac(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000000c0)="81081800001d000000010054409d0954", 0x10) 2018/04/06 22:52:38 executing program 7: perf_event_open(&(0x7f0000757f88)={0x1, 0x70, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f00008f7fe7)='#[vboxnet0vmnet1security\x00', 0x100000202) pwritev(r0, &(0x7f00002cfff0)=[{&(0x7f0000878ff9)='$', 0x1}], 0x1, 0x0) mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0x200000000000001, 0x8011, r0, 0x0) 2018/04/06 22:52:38 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/icmp\x00') pread64(r0, &(0x7f0000000000)=""/85, 0x55, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl(r1, 0x800000000008983, &(0x7f0000000000)) 2018/04/06 22:52:38 executing program 2: syz_emit_ethernet(0x2a, &(0x7f0000000040)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @local={0xac, 0x223, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14}}, @udp={0x0, 0x0, 0x8}}}}}, &(0x7f00000000c0)) 2018/04/06 22:52:38 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'syz_tun\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000400)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=@ipv6_deladdr={0x2c, 0x15, 0x115, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r1}, [@IFA_LOCAL={0x14, 0x2, @loopback={0x0, 0x1}}]}, 0x2c}, 0x1}, 0x0) 2018/04/06 22:52:38 executing program 5: mmap(&(0x7f0000000000/0xb3c000)=nil, 0xb3c000, 0x0, 0x32, 0xffffffffffffffff, 0x0) io_setup(0x0, &(0x7f0000000080)) 2018/04/06 22:52:38 executing program 4: 2018/04/06 22:52:38 executing program 1: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) listen(0xffffffffffffffff, 0x0) r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x100, 0x0) preadv(r0, &(0x7f0000000480)=[{&(0x7f00000003c0)=""/18, 0x12}], 0x1, 0x0) socket$netlink(0x10, 0x3, 0x0) 2018/04/06 22:52:38 executing program 5: mmap(&(0x7f0000000000/0xb3c000)=nil, 0xb3c000, 0x0, 0x32, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)) 2018/04/06 22:52:38 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) fchdir(r0) r1 = open(&(0x7f0000000040)='..', 0x0, 0x0) syncfs(r1) 2018/04/06 22:52:38 executing program 2: syz_emit_ethernet(0x2a, &(0x7f0000000040)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @local={0xac, 0x223, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14}}, @udp={0x0, 0x0, 0x8}}}}}, &(0x7f00000000c0)) 2018/04/06 22:52:38 executing program 1: r0 = socket(0x1000000000011, 0x800000003, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r0, 0x8919, &(0x7f0000000180)={'bridge0\x00', {0x2}}) 2018/04/06 22:52:38 executing program 6: perf_event_open(&(0x7f0000271000)={0x2, 0x78, 0x0, 0x80000002}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = shmat(0x0, &(0x7f0000ffd000/0x1000)=nil, 0x4000) shmdt(r0) [ 61.843148] ================================================================== [ 61.850583] BUG: KMSAN: uninit-value in vmac_setkey+0x337/0x940 [ 61.856656] CPU: 0 PID: 5207 Comm: syz-executor3 Not tainted 4.16.0+ #81 [ 61.863500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.872868] Call Trace: [ 61.875496] dump_stack+0x185/0x1d0 [ 61.879148] ? vmac_setkey+0x337/0x940 [ 61.883059] kmsan_report+0x142/0x240 [ 61.886875] ? aes_set_key+0x260/0x260 2018/04/06 22:52:38 executing program 7: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) fchdir(r0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) syncfs(r1) [ 61.890783] __msan_warning_32+0x6c/0xb0 [ 61.894861] ? aes_set_key+0x260/0x260 [ 61.898774] vmac_setkey+0x337/0x940 [ 61.902510] ? vmac_final+0x3f80/0x3f80 [ 61.906495] shash_async_setkey+0x337/0x4c0 [ 61.910822] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 61.916190] ? trace_kmalloc+0xb6/0x2b0 [ 61.920170] ? shash_async_digest+0x1b0/0x1b0 [ 61.924678] crypto_ahash_setkey+0x31a/0x470 [ 61.929100] hash_setkey+0x8b/0xa0 [ 61.932654] alg_setsockopt+0x6c5/0x740 [ 61.936903] ? hash_release+0x50/0x50 2018/04/06 22:52:38 executing program 2: mlock2(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0) mlock(&(0x7f0000ffc000/0x3000)=nil, 0x3000) [ 61.940717] ? alg_accept+0xd0/0xd0 [ 61.944355] SYSC_setsockopt+0x4b8/0x570 [ 61.948435] SyS_setsockopt+0x76/0xa0 [ 61.952270] do_syscall_64+0x309/0x430 [ 61.956173] ? SYSC_recv+0xe0/0xe0 [ 61.959733] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 61.964929] RIP: 0033:0x455259 [ 61.968127] RSP: 002b:00007f8c75a01c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 61.975843] RAX: ffffffffffffffda RBX: 00007f8c75a026d4 RCX: 0000000000455259 [ 61.983123] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000013 [ 61.990400] RBP: 000000000072bea0 R08: 0000000000000010 R09: 0000000000000000 [ 61.997682] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000ffffffff [ 62.004957] R13: 0000000000000510 R14: 00000000006faa20 R15: 0000000000000000 [ 62.012237] [ 62.013867] Local variable description: ----out.i@vmac_setkey [ 62.019744] Variable was created at: [ 62.023495] vmac_setkey+0x93/0x940 [ 62.027138] shash_async_setkey+0x337/0x4c0 [ 62.031462] ================================================================== [ 62.038822] Disabling lock debugging due to kernel taint 2018/04/06 22:52:39 executing program 7: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) msgctl$MSG_STAT(0x0, 0xb, &(0x7f0000000540)=""/90) [ 62.044277] Kernel panic - not syncing: panic_on_warn set ... [ 62.044277] [ 62.051662] CPU: 0 PID: 5207 Comm: syz-executor3 Tainted: G B 4.16.0+ #81 [ 62.059805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.069158] Call Trace: [ 62.071765] dump_stack+0x185/0x1d0 [ 62.075403] panic+0x39d/0x940 [ 62.078628] ? vmac_setkey+0x337/0x940 [ 62.082524] kmsan_report+0x238/0x240 [ 62.086336] ? aes_set_key+0x260/0x260 [ 62.090231] __msan_warning_32+0x6c/0xb0 [ 62.094295] ? aes_set_key+0x260/0x260 [ 62.098196] vmac_setkey+0x337/0x940 [ 62.101929] ? vmac_final+0x3f80/0x3f80 [ 62.105911] shash_async_setkey+0x337/0x4c0 [ 62.110242] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 62.115612] ? trace_kmalloc+0xb6/0x2b0 [ 62.119599] ? shash_async_digest+0x1b0/0x1b0 [ 62.124108] crypto_ahash_setkey+0x31a/0x470 [ 62.128526] hash_setkey+0x8b/0xa0 [ 62.132080] alg_setsockopt+0x6c5/0x740 [ 62.136063] ? hash_release+0x50/0x50 [ 62.139871] ? alg_accept+0xd0/0xd0 [ 62.143513] SYSC_setsockopt+0x4b8/0x570 [ 62.147594] SyS_setsockopt+0x76/0xa0 [ 62.151399] do_syscall_64+0x309/0x430 [ 62.155300] ? SYSC_recv+0xe0/0xe0 [ 62.158854] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.164052] RIP: 0033:0x455259 [ 62.167242] RSP: 002b:00007f8c75a01c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 62.174953] RAX: ffffffffffffffda RBX: 00007f8c75a026d4 RCX: 0000000000455259 [ 62.182225] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000013 [ 62.189498] RBP: 000000000072bea0 R08: 0000000000000010 R09: 0000000000000000 [ 62.196774] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000ffffffff [ 62.204043] R13: 0000000000000510 R14: 00000000006faa20 R15: 0000000000000000 [ 62.211873] Dumping ftrace buffer: [ 62.215403] (ftrace buffer empty) [ 62.219096] Kernel Offset: disabled [ 62.222706] Rebooting in 86400 seconds..