crypto: pcrypt - Fix use after free on padata_free

kobject_put is called from padata_free for the padata kobject. The kobject's release function frees the padata instance, so don't call kobject_put for the padata kobject from pcrypt. Reported-and-tested-by: Randy Dunlap <[email protected]> Signed-off-by: Steffen Klassert <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
primiano · Nov 12, 2010 · e2b3483 · e2b3483
1 parent bd760e1
commit e2b3483
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
@@ -504,7 +504,6 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt,
 
 static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
 {
- kobject_put(&pcrypt->pinst->kobj);
  free_cpumask_var(pcrypt->cb_cpumask->mask);
  kfree(pcrypt->cb_cpumask);