Warning: Permanently added '10.128.1.20' (ECDSA) to the list of known hosts. 2019/10/16 22:27:46 fuzzer started 2019/10/16 22:27:46 dialing manager at 10.128.0.248:39440 2019/10/16 22:27:46 syscalls: 496 2019/10/16 22:27:46 code coverage: enabled 2019/10/16 22:27:46 comparison tracing: enabled 2019/10/16 22:27:46 extra coverage: support is not implemented in syzkaller 2019/10/16 22:27:46 setuid sandbox: support is not implemented in syzkaller 2019/10/16 22:27:46 namespace sandbox: support is not implemented in syzkaller 2019/10/16 22:27:46 Android sandbox: support is not implemented in syzkaller 2019/10/16 22:27:46 fault injection: support is not implemented in syzkaller 2019/10/16 22:27:46 leak checking: support is not implemented in syzkaller 2019/10/16 22:27:46 net packet injection: enabled 2019/10/16 22:27:46 net device setup: support is not implemented in syzkaller 2019/10/16 22:27:46 concurrency sanitizer: support is not implemented in syzkaller Expensive timeout(9) function: 0xffffffff81114250(0) 0.002945905 s Expensive timeout(9) function: 0xffffffff810aad10(0) 0.023914491 s 22:29:40 executing program 0: syz_emit_ethernet(0x4e, &(0x7f00000002c0)={@local, @empty=[0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [], {@ipv6={0x86dd, {0x0, 0x6, "e30600", 0x18, 0x40000000003a, 0x43ff, @remote, @mcast2, {[], @icmpv6=@ndisc_na={0x88, 0x0, 0x0, 0x0, [], @local}}}}}}) 22:29:40 executing program 1: getrusage(0xd26c915c322c0696, 0x0) 22:29:41 executing program 2: syz_emit_ethernet(0x7a, &(0x7f0000000040)=ANY=[@ANYBLOB="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"]) 22:29:42 executing program 1: syz_emit_ethernet(0x46, &(0x7f0000000040)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaabbaaaa86dd6088dc4f00102c00fe8000000000000000000000000000bbff0200000000000000000000000000012c00000004010100000000000000b41b"]) 22:29:42 executing program 1: syz_emit_ethernet(0x66, &(0x7f0000000000)={@broadcast, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x30, 0x3a, 0x86ddffff, @local, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000]}, {[], @icmpv6=@dest_unreach={0xffffff86, 0x0, 0x0, 0x0, [0x7, 0x608], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x0, @mcast1={0x3, 0x4, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x3, 0x0, 0x0, 0x5]}, @loopback}}}}}}}) 22:29:42 executing program 3: freebsd11_mknodat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x10, 0x7fff) r0 = open$dir(&(0x7f0000000040)='./file0\x00', 0x78ec24efe2e1ef9d, 0x140) r1 = openat(r0, &(0x7f0000000080)='./file0\x00', 0x8000, 0x40) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) accept4$unix(r3, 0x0, &(0x7f0000000100), 0x10000000) getsockopt$inet6_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, &(0x7f0000000140)={0x4, [0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000180)=0x14) setsockopt$inet_sctp_SCTP_BINDX_REM_ADDR(r1, 0x84, 0x8002, &(0x7f0000000200)={r5, &(0x7f00000001c0)=[@in={0x10, 0x2, 0x3, @multicast2}, @in={0x10, 0x2, 0x2, @local={0xac, 0x14, 0x0}}]}, &(0x7f0000000240)=0x10) getsockopt$inet6_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x104, &(0x7f0000000280), &(0x7f00000002c0)=0x4) r6 = accept$inet(0xffffffffffffffff, &(0x7f0000000300)={0x10, 0x2, 0xffffffffffffffff, @multicast2}, &(0x7f0000000340)=0x10) r7 = socket$inet_icmp(0x2, 0x2, 0x1) ppoll(&(0x7f0000000380)=[{r6, 0x20}, {0xffffffffffffffff, 0xbfbc62a15919c066}, {r2, 0x80}, {r0, 0x80}, {r7, 0x1}], 0x5, &(0x7f00000003c0)={0x5e, 0x18c4}, &(0x7f0000000400)={0x1000}, 0x8) readlinkat(r1, &(0x7f0000000440)='./file0\x00', &(0x7f0000000480)=""/243, 0xf3) r8 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) shutdown(r8, 0x1) clock_settime(0x7, &(0x7f0000000580)={0x1, 0x10000}) r9 = accept4$inet6(0xffffffffffffffff, &(0x7f00000005c0)={0x1c, 0x1c, 0xffffffffffffffff, 0x0, @ipv4={[], [], @loopback}}, &(0x7f0000000600)=0x1c, 0x70000000) getsockopt$inet_sctp_SCTP_EVENT(r1, 0x84, 0x1e, &(0x7f0000000640)={0x0, 0x7, 0x2}, &(0x7f0000000680)=0x8) getsockopt$inet6_sctp_SCTP_GET_LOCAL_ADDRESSES(r9, 0x84, 0x8004, &(0x7f0000000740)={r10, &(0x7f00000006c0)=[@in={0x10}, @in={0x10, 0x2, 0xffffffffffffffff, @multicast1}, @in6={0x1c, 0x1c, 0xffffffffffffffff, 0x0, @mcast1}, @in6={0x1c}]}, &(0x7f0000000780)=0x10) r11 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$inet_mreqn(r11, 0x0, 0xc, &(0x7f00000007c0)={@multicast1, @multicast2}, &(0x7f0000000800)=0xc) pipe2(&(0x7f0000000840)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r12, 0x84, 0x21, &(0x7f0000000880)={0x5, 0x0, 0x1fb, 0x3, r4}, &(0x7f00000008c0)=0x10) r13 = openat(0xffffffffffffff9c, &(0x7f0000000900)='./file0\x00', 0x8000, 0x1d4) mkdirat(r13, &(0x7f0000000940)='./file0\x00', 0x9cc91d45a481fcd0) syz_extract_tcp_res$synack(&(0x7f0000000980), 0x1, 0x0) r14 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/pf\x00', 0x1, 0x0) ioctl$DIOCCHANGERULE(r14, 0xcbe0441a, &(0x7f0000000a00)="aae953e7a246738916c14f1275b9ed478b74c0d54072b95346ef3ced7687824f69d4bdf984280b8ae182c50327ef05cff13071870ad893e78552") r15 = socket$inet(0x2, 0xa, 0x3) setsockopt$inet_opts(r15, 0x0, 0x1, &(0x7f0000000a40)="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", 0xfc) r16 = fcntl$dupfd(0xffffffffffffffff, 0x22, 0xffffffffffffff9c) setsockopt$inet_tcp_int(r16, 0x6, 0x1000, &(0x7f0000000b40)=0x7fff, 0x4) 22:29:42 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) fstat(r0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(r1, 0x0) 22:29:42 executing program 0: syz_emit_ethernet(0x4e, &(0x7f00000002c0)={@local, @empty=[0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], [], {@ipv6={0x86dd, {0x0, 0x6, "e30600", 0x18, 0x40000000003a, 0x43ff, @remote, @mcast2, {[], @icmpv6=@ndisc_na={0x88, 0x0, 0x0, 0x0, [], @local}}}}}}) 22:29:42 executing program 1: r0 = msgget$private(0x0, 0x0) msgctl$IPC_SET(r0, 0x1, &(0x7f0000000540)) msgsnd(r0, &(0x7f0000000040)=ANY=[@ANYRES64=r0], 0x1, 0x0) msgctl$IPC_SET(r0, 0x1, &(0x7f0000000200)) 22:29:42 executing program 1: r0 = socket$unix(0x1, 0x1, 0x0) ppoll(&(0x7f0000000300)=[{r0}], 0x1, 0x0, 0x0, 0x0) 22:29:42 executing program 2: r0 = socket$inet6(0xa, 0x1200000002, 0x0) setsockopt$inet6_int(r0, 0x29, 0x48, &(0x7f0000000140)=0x5f3, 0x4) 22:29:42 executing program 2: syz_emit_ethernet(0x3e, &(0x7f0000000000)={@random="cd3997030f02", @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "e30600", 0x8, 0x0, 0x0, @local, @mcast2, {[], @icmpv6=@echo_request={0xffffff82}}}}}}) 22:29:42 executing program 2: syz_emit_ethernet(0x2a, &(0x7f0000000000)={@random="d7c41b631226", @empty, [], {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x0, @remote, @multicast2, @broadcast}}}}) panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/netinet6/in6_ifattach.c:251 cpuid = 0 time = 1571264982 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001a154710 vpanic() at vpanic+0x1c7/frame 0xfffffe001a154780 panic() at panic+0x43/frame 0xfffffe001a1547e0 in6_get_hw_ifid() at in6_get_hw_ifid+0x33a/frame 0xfffffe001a154820 nd6_dad_timer() at nd6_dad_timer+0x600/frame 0xfffffe001a1548d0 softclock_call_cc() at softclock_call_cc+0x218/frame 0xfffffe001a1549b0 softclock() at softclock+0xa3/frame 0xfffffe001a1549f0 ithread_loop() at ithread_loop+0x2f2/frame 0xfffffe001a154a60 fork_exit() at fork_exit+0xac/frame 0xfffffe001a154ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a154ab0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 12 tid 100017 ] Stopped at kdb_enter+0x67: movq $0,0x14776c6(%rip)