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Make the behavior of sys_execve be consistent with Linux

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Chen Chengjun
2024-07-31 15:36:35 +08:00
committed by Tate, Hongliang Tian
parent b1ea422efa
commit 9a299b68f0
1 changed files with 4 additions and 0 deletions
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4
kernel/aster-nix/src/syscall/execve.rs
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@ -159,6 +159,10 @@ fn read_cstring_vec(
max_string_len: usize, max_string_len: usize,
) -> Result<Vec<CString>> { ) -> Result<Vec<CString>> {
let mut res = Vec::new(); let mut res = Vec::new();
// On Linux, argv pointer and envp pointer can be specified as NULL.
if array_ptr == 0 {
return Ok(res);
}
let mut read_addr = array_ptr; let mut read_addr = array_ptr;
let mut find_null = false; let mut find_null = false;
for _ in 0..max_string_number { for _ in 0..max_string_number {