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Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 81fdc7733908..c932e283ddfc 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -146,9 +146,7 @@ void __put_task_struct(struct task_struct *tsk)
146 WARN_ON(atomic_read(&tsk->usage)); 146 WARN_ON(atomic_read(&tsk->usage));
147 WARN_ON(tsk == current); 147 WARN_ON(tsk == current);
148 148
149 security_task_free(tsk); 149 put_cred(tsk->cred);
150 free_uid(tsk->__temp_cred.user);
151 put_group_info(tsk->__temp_cred.group_info);
152 delayacct_tsk_free(tsk); 150 delayacct_tsk_free(tsk);
153 151
154 if (!profile_handoff_task(tsk)) 152 if (!profile_handoff_task(tsk))
@@ -969,7 +967,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
969 DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled); 967 DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
970 DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); 968 DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
971#endif 969#endif
972 p->cred = &p->__temp_cred;
973 retval = -EAGAIN; 970 retval = -EAGAIN;
974 if (atomic_read(&p->cred->user->processes) >= 971 if (atomic_read(&p->cred->user->processes) >=
975 p->signal->rlim[RLIMIT_NPROC].rlim_cur) { 972 p->signal->rlim[RLIMIT_NPROC].rlim_cur) {
@@ -978,9 +975,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
978 goto bad_fork_free; 975 goto bad_fork_free;
979 } 976 }
980 977
981 atomic_inc(&p->cred->user->__count); 978 retval = copy_creds(p, clone_flags);
982 atomic_inc(&p->cred->user->processes); 979 if (retval < 0)
983 get_group_info(p->cred->group_info); 980 goto bad_fork_free;
984 981
985 /* 982 /*
986 * If multiple threads are within copy_process(), then this check 983 * If multiple threads are within copy_process(), then this check
@@ -1035,9 +1032,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1035 do_posix_clock_monotonic_gettime(&p->start_time); 1032 do_posix_clock_monotonic_gettime(&p->start_time);
1036 p->real_start_time = p->start_time; 1033 p->real_start_time = p->start_time;
1037 monotonic_to_bootbased(&p->real_start_time); 1034 monotonic_to_bootbased(&p->real_start_time);
1038#ifdef CONFIG_SECURITY
1039 p->cred->security = NULL;
1040#endif
1041 p->io_context = NULL; 1035 p->io_context = NULL;
1042 p->audit_context = NULL; 1036 p->audit_context = NULL;
1043 cgroup_fork(p); 1037 cgroup_fork(p);
@@ -1082,10 +1076,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1082 /* Perform scheduler related setup. Assign this task to a CPU. */ 1076 /* Perform scheduler related setup. Assign this task to a CPU. */
1083 sched_fork(p, clone_flags); 1077 sched_fork(p, clone_flags);
1084 1078
1085 if ((retval = security_task_alloc(p)))
1086 goto bad_fork_cleanup_policy;
1087 if ((retval = audit_alloc(p))) 1079 if ((retval = audit_alloc(p)))
1088 goto bad_fork_cleanup_security; 1080 goto bad_fork_cleanup_policy;
1089 /* copy all the process information */ 1081 /* copy all the process information */
1090 if ((retval = copy_semundo(clone_flags, p))) 1082 if ((retval = copy_semundo(clone_flags, p)))
1091 goto bad_fork_cleanup_audit; 1083 goto bad_fork_cleanup_audit;
@@ -1284,8 +1276,6 @@ bad_fork_cleanup_semundo:
1284 exit_sem(p); 1276 exit_sem(p);
1285bad_fork_cleanup_audit: 1277bad_fork_cleanup_audit:
1286 audit_free(p); 1278 audit_free(p);
1287bad_fork_cleanup_security:
1288 security_task_free(p);
1289bad_fork_cleanup_policy: 1279bad_fork_cleanup_policy:
1290#ifdef CONFIG_NUMA 1280#ifdef CONFIG_NUMA
1291 mpol_put(p->mempolicy); 1281 mpol_put(p->mempolicy);
@@ -1298,9 +1288,7 @@ bad_fork_cleanup_cgroup:
1298bad_fork_cleanup_put_domain: 1288bad_fork_cleanup_put_domain:
1299 module_put(task_thread_info(p)->exec_domain->module); 1289 module_put(task_thread_info(p)->exec_domain->module);
1300bad_fork_cleanup_count: 1290bad_fork_cleanup_count:
1301 put_group_info(p->cred->group_info); 1291 put_cred(p->cred);
1302 atomic_dec(&p->cred->user->processes);
1303 free_uid(p->cred->user);
1304bad_fork_free: 1292bad_fork_free:
1305 free_task(p); 1293 free_task(p);
1306fork_out: 1294fork_out: