// https://syzkaller.appspot.com/bug?id=d4ac7bfeafac8a3d6d06123e078462ac765415e7 // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include static void test(); void loop() { while (1) { test(); } } uint64_t r[2] = {0xffffffffffffffff, 0xffffffff}; void test() { long res; memcpy((void*)0x20000180, "/dev/infiniband/rdma_cm", 24); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000180, 2, 0); if (res != -1) r[0] = res; *(uint32_t*)0x200000c0 = 0; *(uint16_t*)0x200000c4 = 0x18; *(uint16_t*)0x200000c6 = 0xfa00; *(uint64_t*)0x200000c8 = 3; *(uint64_t*)0x200000d0 = 0x20000080; *(uint16_t*)0x200000d8 = 2; *(uint8_t*)0x200000da = 0; *(uint8_t*)0x200000db = 0; *(uint8_t*)0x200000dc = 0; *(uint8_t*)0x200000dd = 0; *(uint8_t*)0x200000de = 0; *(uint8_t*)0x200000df = 0; res = syscall(__NR_write, r[0], 0x200000c0, 0x20); if (res != -1) r[1] = *(uint32_t*)0x20000080; *(uint32_t*)0x200003c0 = 3; *(uint16_t*)0x200003c4 = 0x40; *(uint16_t*)0x200003c6 = 0xfa00; *(uint16_t*)0x200003c8 = 0xa; *(uint16_t*)0x200003ca = htobe16(0); *(uint32_t*)0x200003cc = 0; *(uint64_t*)0x200003d0 = htobe64(0); *(uint64_t*)0x200003d8 = htobe64(1); *(uint32_t*)0x200003e0 = 0; *(uint16_t*)0x200003e4 = 0xa; *(uint16_t*)0x200003e6 = htobe16(0); *(uint32_t*)0x200003e8 = 0; *(uint8_t*)0x200003ec = -1; *(uint8_t*)0x200003ed = 1; *(uint8_t*)0x200003ee = 0; *(uint8_t*)0x200003ef = 0; *(uint8_t*)0x200003f0 = 0; *(uint8_t*)0x200003f1 = 0; *(uint8_t*)0x200003f2 = 0; *(uint8_t*)0x200003f3 = 0; *(uint8_t*)0x200003f4 = 0; *(uint8_t*)0x200003f5 = 0; *(uint8_t*)0x200003f6 = 0; *(uint8_t*)0x200003f7 = 0; *(uint8_t*)0x200003f8 = 0; *(uint8_t*)0x200003f9 = 0; *(uint8_t*)0x200003fa = 0; *(uint8_t*)0x200003fb = 1; *(uint32_t*)0x200003fc = 0; *(uint32_t*)0x20000400 = r[1]; *(uint32_t*)0x20000404 = 0; syscall(__NR_write, r[0], 0x200003c0, 0x48); syscall(__NR_close, r[0]); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); for (;;) { loop(); } }