Author: trasz
Date: Tue May 29 15:08:35 2012
New Revision: 236239
URL: http://svn.freebsd.org/changeset/base/236239
Log:
MFC r235787:
Fix panic with RACCT that could occur in low memory (or out of swap)
situations, due to fork1() calling racct_proc_exit() without calling
racct_proc_fork() first.
Modified:
stable/9/sys/kern/kern_fork.c
stable/9/sys/kern/kern_racct.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/kern/kern_fork.c
==============================================================================
--- stable/9/sys/kern/kern_fork.c Tue May 29 14:50:21 2012
(r236238)
+++ stable/9/sys/kern/kern_fork.c Tue May 29 15:08:35 2012
(r236239)
@@ -939,8 +939,8 @@ fail:
#ifdef MAC
mac_proc_destroy(newproc);
#endif
-fail1:
racct_proc_exit(newproc);
+fail1:
if (vm2 != NULL)
vmspace_free(vm2);
uma_zfree(proc_zone, newproc);
Modified: stable/9/sys/kern/kern_racct.c
==============================================================================
--- stable/9/sys/kern/kern_racct.c Tue May 29 14:50:21 2012
(r236238)
+++ stable/9/sys/kern/kern_racct.c Tue May 29 15:08:35 2012
(r236239)
@@ -573,6 +573,9 @@ out:
PROC_UNLOCK(child);
PROC_UNLOCK(parent);
+ if (error != 0)
+ racct_proc_exit(child);
+
return (error);
}
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