return nr;
}
-static inline int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
- struct core_state *core_state, int exit_code)
+static int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
+ struct core_state *core_state, int exit_code)
{
struct task_struct *g, *p;
unsigned long flags;
if (!signal_group_exit(tsk->signal)) {
mm->core_state = core_state;
nr = zap_process(tsk, exit_code);
+ /* ignore all signals except SIGKILL, see prepare_signal() */
+ tsk->signal->flags |= SIGNAL_GROUP_COREDUMP;
+ clear_tsk_thread_flag(tsk, TIF_SIGPENDING);
}
spin_unlock_irq(&tsk->sighand->siglock);
if (unlikely(nr < 0))
old_cred = override_creds(cred);
- /*
- * Clear any false indication of pending signals that might
- * be seen by the filesystem code called to write the core file.
- */
- clear_thread_flag(TIF_SIGPENDING);
-
ispipe = format_corename(&cn, &cprm);
- if (ispipe) {
+ if (ispipe) {
int dump_count;
char **helper_argv;
+ struct subprocess_info *sub_info;
if (ispipe < 0) {
printk(KERN_WARNING "format_corename failed\n");
goto fail_dropcount;
}
- retval = call_usermodehelper_fns(helper_argv[0], helper_argv,
- NULL, UMH_WAIT_EXEC, umh_pipe_setup,
- NULL, &cprm);
+ retval = -ENOMEM;
+ sub_info = call_usermodehelper_setup(helper_argv[0],
+ helper_argv, NULL, GFP_KERNEL,
+ umh_pipe_setup, NULL, &cprm);
+ if (sub_info)
+ retval = call_usermodehelper_exec(sub_info,
+ UMH_WAIT_EXEC);
+
argv_free(helper_argv);
if (retval) {
- printk(KERN_INFO "Core dump to %s pipe failed\n",
+ printk(KERN_INFO "Core dump to %s pipe failed\n",
cn.corename);
goto close_fail;
- }
+ }
} else {
struct inode *inode;