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Fix the leak of the vmspace on the fork when the process limits

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are exceeded.

Pointy hat to:	me
MFC after:	3 days
This commit is contained in:
Konstantin Belousov 2008-03-20 15:24:49 +00:00
parent 17928d1153
commit 69aa768aef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=177455
1 changed files with 4 additions and 2 deletions
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6
sys/kern/kern_fork.c
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@ -256,6 +256,7 @@ fork1(td, flags, pages, procp)
* however it proved un-needed and caused problems
*/
vm2 = NULL;
/* Allocate new proc. */
newproc = uma_zalloc(proc_zone, M_WAITOK);
if (TAILQ_EMPTY(&newproc->p_threads)) {
@ -281,8 +282,7 @@ fork1(td, flags, pages, procp)
error = ENOMEM;
goto fail1;
}
} else
vm2 = NULL;
}
#ifdef MAC
mac_proc_init(newproc);
#endif
@ -740,6 +740,8 @@ fork1(td, flags, pages, procp)
mac_proc_destroy(newproc);
#endif
fail1:
if (vm2 != NULL)
vmspace_free(vm2);
uma_zfree(proc_zone, newproc);
pause("fork", hz / 2);
return (error);