// https://syzkaller.appspot.com/bug?id=38bb0e675f90109da72c3811ada5eeaf6e3d8426 // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif #ifndef __NR_execveat #define __NR_execveat 322 #endif uint64_t r[1] = {0xffffffffffffffff}; void loop() { long res = 0; memcpy((void*)0x20000080, "\x1f\x84", 2); res = syscall(__NR_memfd_create, 0x20000080, 3); if (res != -1) r[0] = res; syscall(__NR_ftruncate, r[0], 2); memcpy((void*)0x20006000, "./file0", 8); *(uint64_t*)0x20006000 = 0x20001000; memcpy((void*)0x20001000, "-@cpuset[md5sum[", 17); syscall(__NR_execveat, r[0], 0x20006000, 0x200f9000, 0x20006000, 0x1000); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); loop(); return 0; }