// https://syzkaller.appspot.com/bug?id=14e50d110c4b9ef54f98686717857a4ba27bd234 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_ioctl #define __NR_ioctl 54 #endif #ifndef __NR_mmap #define __NR_mmap 192 #endif #ifndef __NR_openat #define __NR_openat 295 #endif #undef __NR_mmap #define __NR_mmap __NR_mmap2 uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); intptr_t res = 0; memcpy((void*)0x200002c0, "/dev/kvm\000", 9); res = syscall(__NR_openat, 0xffffff9c, 0x200002c0, 0, 0); if (res != -1) r[0] = res; res = syscall(__NR_ioctl, (intptr_t)r[0], 0xae01, 0); if (res != -1) r[1] = res; syscall(__NR_ioctl, (intptr_t)r[1], 0xae60, 0); res = syscall(__NR_ioctl, (intptr_t)r[1], 0xae41, 0); if (res != -1) r[2] = res; *(uint64_t*)0x200001c0 = 0; *(uint64_t*)0x200001c8 = 0; *(uint64_t*)0x200001d0 = 0; *(uint64_t*)0x200001d8 = 0; *(uint64_t*)0x200001e0 = 0; *(uint64_t*)0x200001e8 = 0; *(uint64_t*)0x200001f0 = 0; *(uint64_t*)0x200001f8 = 0; *(uint64_t*)0x20000200 = 0; *(uint64_t*)0x20000208 = 0; *(uint64_t*)0x20000210 = 0; *(uint64_t*)0x20000218 = 0; *(uint64_t*)0x20000220 = 0; *(uint64_t*)0x20000228 = 0; *(uint64_t*)0x20000230 = 0; *(uint64_t*)0x20000238 = 0; *(uint64_t*)0x20000240 = 0; *(uint64_t*)0x20000248 = 0x205211; syscall(__NR_ioctl, (intptr_t)r[2], 0x4090ae82, 0x200001c0); *(uint32_t*)0x20000300 = 0; *(uint32_t*)0x20000304 = 0; *(uint8_t*)0x20000308 = 0; *(uint8_t*)0x20000309 = 0x83; *(uint8_t*)0x2000030a = 0; *(uint8_t*)0x2000030b = 2; *(uint8_t*)0x2000030c = 0; *(uint8_t*)0x2000030d = 0; *(uint8_t*)0x2000030e = 0; *(uint8_t*)0x2000030f = 0; *(uint8_t*)0x20000310 = 0; *(uint8_t*)0x20000311 = 0; *(uint8_t*)0x20000312 = 0; *(uint8_t*)0x20000313 = 0; *(uint8_t*)0x20000314 = 0; *(uint8_t*)0x20000315 = 0; *(uint8_t*)0x20000316 = 1; *(uint8_t*)0x20000317 = 0; syscall(__NR_ioctl, (intptr_t)r[1], 0x8208ae63, 0x20000300); syscall(__NR_ioctl, (intptr_t)r[2], 0xae80, 0); return 0; }