Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts. 2019/10/09 09:42:53 fuzzer started 2019/10/09 09:42:53 dialing manager at 10.128.0.248:59866 2019/10/09 09:42:53 syscalls: 496 2019/10/09 09:42:53 code coverage: enabled 2019/10/09 09:42:53 comparison tracing: enabled 2019/10/09 09:42:53 extra coverage: support is not implemented in syzkaller 2019/10/09 09:42:53 setuid sandbox: support is not implemented in syzkaller 2019/10/09 09:42:53 namespace sandbox: support is not implemented in syzkaller 2019/10/09 09:42:53 Android sandbox: support is not implemented in syzkaller 2019/10/09 09:42:53 fault injection: support is not implemented in syzkaller 2019/10/09 09:42:53 leak checking: support is not implemented in syzkaller 2019/10/09 09:42:53 net packet injection: enabled 2019/10/09 09:42:53 net device setup: support is not implemented in syzkaller 2019/10/09 09:42:53 concurrency sanitizer: support is not implemented in syzkaller 09:42:53 executing program 0: poll(&(0x7f0000000080), 0x200000000000003b, 0x4e) r0 = socket$inet_udplite(0x2, 0x2, 0x88) recvfrom$inet(r0, 0x0, 0x100000237, 0x0, 0x0, 0x800e0075f) r1 = dup(0xffffffffffffffff) shutdown(r1, 0x0) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) dup(0xffffffffffffffff) shutdown(0xffffffffffffffff, 0x0) readv(r2, &(0x7f00000005c0)=[{&(0x7f0000000040)=""/65, 0x41}, {0x0}, {0x0}, {0x0}, {0x0}], 0x5) shutdown(r0, 0x0) 09:42:53 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) recvmsg(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000640)=[{&(0x7f0000000300)=""/210, 0xd2}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x6, 0x0}, 0x0) r1 = dup(r0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) recvfrom$inet(r2, 0x0, 0xea1ca13a, 0x0, 0x0, 0x800e00516) shutdown(r1, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r1, 0x0, 0x50, &(0x7f0000000000)={0x0, {{0x10, 0x2, 0x1}}}, 0x90) recvfrom$inet(r2, 0x0, 0xff1d, 0x2, 0x0, 0x800e0051e) shutdown(r2, 0x0) 09:42:53 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) recvmsg(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000240)=[{0x0}, {&(0x7f0000000340)=""/4096, 0x1000}], 0x2, 0x0, 0x2db}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) recvfrom$inet(r1, 0x0, 0x51e, 0x2, 0x0, 0x800e00517) shutdown(r0, 0x0) fsync(0xffffffffffffffff) recvfrom$inet(r1, 0x0, 0xfffffe75, 0x1004007e, 0x0, 0x800e0050e) shutdown(r1, 0x0) 09:42:54 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) recvmsg(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000940)=[{&(0x7f0000000340)=""/145, 0x91}, {0x0}, {0x0}, {0x0}], 0x4, 0x0}, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) recvfrom$inet(r1, 0x0, 0xccf3, 0x0, 0x0, 0x800e00546) shutdown(r0, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) readv(r2, &(0x7f00000009c0)=[{&(0x7f0000000180)=""/98, 0x62}, {0x0}, {0x0}, {0x0}], 0x4) r3 = dup(r2) r4 = socket$inet_udplite(0x2, 0x2, 0x88) recvfrom$inet(r4, 0x0, 0xccf3, 0x0, 0x0, 0x800e0053d) shutdown(r3, 0x0) r5 = socket$inet_udplite(0x2, 0x2, 0x88) readv(r5, &(0x7f0000000840)=[{&(0x7f0000000100)=""/111, 0x6f}], 0x1) shutdown(r4, 0x0) shutdown(r1, 0x0) login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/net/if.c:3827 cpuid = 0 time = 1570614174 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022af15b0 vpanic() at vpanic+0x1e0/frame 0xfffffe0022af1610 panic() at panic+0x43/frame 0xfffffe0022af1670 if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022af16e0 ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022af1770 ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022af1840 kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022af18b0 sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022af1980 amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022af1ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022af1ab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 --- KDB: enter: panic [ thread pid 767 tid 100113 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why