// https://syzkaller.appspot.com/bug?id=36e9a4af8d7c0e2a49f9c4edf51f8833cd9f683c // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffff}; void loop() { long res; memcpy((void*)0x200001c0, "/dev/infiniband/rdma_cm", 24); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x200001c0, 2, 0); if (res != -1) r[0] = res; *(uint32_t*)0x20001300 = 0; *(uint16_t*)0x20001304 = 0x18; *(uint16_t*)0x20001306 = 0xfa00; *(uint64_t*)0x20001308 = 0; *(uint64_t*)0x20001310 = 0x200012c0; *(uint16_t*)0x20001318 = 0x106; *(uint8_t*)0x2000131a = 0; *(uint8_t*)0x2000131b = 0; *(uint8_t*)0x2000131c = 0; *(uint8_t*)0x2000131d = 0; *(uint8_t*)0x2000131e = 0; *(uint8_t*)0x2000131f = 0; res = syscall(__NR_write, r[0], 0x20001300, 0x20); if (res != -1) r[1] = *(uint32_t*)0x200012c0; *(uint32_t*)0x20001340 = 0xe; *(uint16_t*)0x20001344 = 0x18; *(uint16_t*)0x20001346 = 0xfa00; *(uint64_t*)0x20001348 = 0x20000b00; *(uint32_t*)0x20000b00 = 0x2b; *(uint32_t*)0x20000b04 = 0; *(uint32_t*)0x20000b08 = 0; *(uint32_t*)0x20000b0c = 0; *(uint32_t*)0x20000b10 = 0; *(uint32_t*)0x20000b14 = 0; *(uint32_t*)0x20000b18 = 0; *(uint32_t*)0x20000b1c = 0; *(uint32_t*)0x20000b20 = 0; *(uint32_t*)0x20000b24 = 0; *(uint32_t*)0x20000b28 = 0; *(uint32_t*)0x20000b2c = 0; *(uint32_t*)0x20000b30 = 0; *(uint32_t*)0x20000b34 = 0; *(uint32_t*)0x20000b38 = 0; *(uint32_t*)0x20000b3c = 0; *(uint32_t*)0x20000b40 = 0; *(uint32_t*)0x20000b44 = 0; *(uint32_t*)0x20001350 = r[1]; *(uint32_t*)0x20001354 = 1; *(uint32_t*)0x20001358 = 1; *(uint32_t*)0x2000135c = 0x48; syscall(__NR_write, r[0], 0x20001340, 0x34d); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); loop(); return 0; }