// https://syzkaller.appspot.com/bug?id=2ad8adec5555e41faf06253496e9f8d1a41619ec // 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[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000, 0x1000, 0, 0x32, -1, 0); syscall(__NR_mmap, 0x20000000, 0x1000000, 7, 0x32, -1, 0); syscall(__NR_mmap, 0x21000000, 0x1000, 0, 0x32, -1, 0); intptr_t res = 0; memcpy((void*)0x20000000, "/dev/kvm\000", 9); res = syscall(__NR_openat, 0xffffff9c, 0x20000000, 0, 0); if (res != -1) r[0] = res; res = syscall(__NR_ioctl, (intptr_t)r[0], 0xae01, 0); if (res != -1) r[1] = res; *(uint32_t*)0x200005c0 = 3; *(uint32_t*)0x200005c4 = 0; *(uint8_t*)0x200005c8 = 0x20; *(uint8_t*)0x200005c9 = 0; *(uint8_t*)0x200005ca = 0; *(uint8_t*)0x200005cb = 0; *(uint8_t*)0x200005cc = 2; *(uint8_t*)0x200005cd = 0; *(uint8_t*)0x200005ce = 0; *(uint8_t*)0x200005cf = 0; *(uint8_t*)0x200005d0 = 0; *(uint8_t*)0x200005d1 = 0; *(uint8_t*)0x200005d2 = 0; *(uint8_t*)0x200005d3 = 0; *(uint8_t*)0x200005d4 = 0; *(uint8_t*)0x200005d5 = 0; *(uint8_t*)0x200005d6 = 0; *(uint8_t*)0x200005d7 = 0; syscall(__NR_ioctl, (intptr_t)r[1], 0x4048aec9, 0x200005c0); return 0; }