// https://syzkaller.appspot.com/bug?id=704e8f8042049fb353885d97e1cc7f88fa82b0ce // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void loop() { long res; memcpy((void*)0x20000280, "/dev/infiniband/rdma_cm", 24); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000280, 2, 0); if (res != -1) r[0] = res; *(uint32_t*)0x20000580 = 0; *(uint16_t*)0x20000584 = 0x18; *(uint16_t*)0x20000586 = 0xfa00; *(uint64_t*)0x20000588 = 0; *(uint64_t*)0x20000590 = 0x20000540; *(uint16_t*)0x20000598 = 0x13f; *(uint8_t*)0x2000059a = 0; *(uint8_t*)0x2000059b = 0; *(uint8_t*)0x2000059c = 0; *(uint8_t*)0x2000059d = 0; *(uint8_t*)0x2000059e = 0; *(uint8_t*)0x2000059f = 0; res = syscall(__NR_write, r[0], 0x20000580, 0x20); if (res != -1) r[1] = *(uint32_t*)0x20000540; memcpy((void*)0x200000c0, "\x0e\x00\x00\x00\x00\x00\x00\xfa", 8); *(uint64_t*)0x200000c8 = 0x20000080; *(uint32_t*)0x200000d0 = r[1]; memcpy((void*)0x200000d4, "\x00\x00\x00\x00\x01\x00\xfd\xff\xb4\xf4\xfe\x3e\xc3\xd9\x1c\xbd\x3d" "\x43\x25\x46\x88\x16\x10\x8d\x0e\x3f\x2c\x0c\xd1\xd9\x84\x51\x2b\x9d" "\xdd\xf4\x8a\xe6\x32\x77\x63\x96\x88\xa0\x46\x1a\x2c\x1c\xc5\x27\xe1" "\x68\xaa\xd8\xca\xb8\xe2\x6d\x49\x32\xad\x22\xfe\x3d\x73\x71\x9d\x68" "\x16\x28\xbb\x00\x4a\x4c\x75\x33\x0a\x7e\xd5\x28\xd6\x48\x7d\x00\x00" "\x00\x00", 87); syscall(__NR_write, r[0], 0x200000c0, 0x6b); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); loop(); return 0; }