o Remove KSE race in setuid() in which oldcred was preserved before giant

was grabbed.  This was introduced in 1.101 when the giant pushdown
  for kern_prot.c was originally performed.

This commit is contained in:

Robert Watson

2001-12-02 15:15:29 +00:00

parent eb725b4e6a

commit f605567c24

1 changed files with 1 additions and 1 deletions

									
										sys/kern/kern_prot.c
									
		+1
		-1
	
												View File
												
				@@ -500,10 +500,10 @@ setuid(td, uap)

					uid_t uid;

					int error;

					oldcred = p->p_ucred;

					uid = uap->uid;

					mtx_lock(&Giant);

					error = 0;

					oldcred = p->p_ucred;

					/*

					 * See if we have "permission" by POSIX 1003.1 rules.

					 *