| // Copyright 2018 syzkaller project authors. All rights reserved. |
| // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. |
| |
| package proggen |
| |
| var ( |
| // unsupportedCalls lists system calls that we should skip when parsing. |
| // Some of these are unsupported or not worth executing. |
| unsupportedCalls = map[string]bool{ |
| // While we have system call descriptions for execve it is not worth adding |
| // the ones in traces. Every trace has an execve at the beginning which means |
| // all the system calls afterwards will not execute |
| "execve": true, |
| // Unsafe to set the addr argument to some random argument. Needs more care |
| "arch_prctl": true, |
| // Don't produce multithreaded programs. |
| "wait4": true, |
| "wait": true, |
| "futex": true, |
| // Cannot obtain coverage from the forks. |
| "clone": true, |
| // Can support these calls but need to identify the ones in the trace that are worth keeping |
| "mmap": true, |
| "msync": true, |
| "mremap": true, |
| "mprotect": true, |
| "madvise": true, |
| "munmap": true, |
| // Not interesting coverage |
| "getcwd": true, |
| "getcpu": true, |
| // Cannot evaluate sigset |
| "rt_sigprocmask": true, |
| "rt_sigtimedwait": true, |
| "rt_sigreturn": true, |
| "rt_sigqueueinfo": true, |
| "rt_sigsuspend": true, |
| // Require function pointers which are not recovered by strace |
| "rt_sigaction": true, |
| // These 2 are issued by glibc for every process/thread start. |
| // Normal programs don't use them and it's unlikely we build |
| // something interesting with them (e.g. we won't get real robust list in memory). |
| "set_robust_list": true, |
| "set_tid_address": true, |
| } |
| ) |
