diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/exec.c b/fs/exec.c index 10d493fea7c..5a4e3acc2e9 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -48,6 +48,7 @@ #include <linux/syscalls.h> #include <linux/rmap.h> #include <linux/acct.h> +#include <linux/cn_proc.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> @@ -589,6 +590,7 @@ static inline int de_thread(struct task_struct *tsk) struct signal_struct *sig = tsk->signal; struct sighand_struct *newsighand, *oldsighand = tsk->sighand; spinlock_t *lock = &oldsighand->siglock; + struct task_struct *leader = NULL; int count; /* @@ -664,7 +666,7 @@ static inline int de_thread(struct task_struct *tsk) * and to assume its PID: */ if (!thread_group_leader(current)) { - struct task_struct *leader = current->group_leader, *parent; + struct task_struct *parent; struct dentry *proc_dentry1, *proc_dentry2; unsigned long exit_state, ptrace; @@ -673,6 +675,7 @@ static inline int de_thread(struct task_struct *tsk) * It should already be zombie at this point, most * of the time. */ + leader = current->group_leader; while (leader->exit_state != EXIT_ZOMBIE) yield(); @@ -732,7 +735,6 @@ static inline int de_thread(struct task_struct *tsk) proc_pid_flush(proc_dentry2); BUG_ON(exit_state != EXIT_ZOMBIE); - release_task(leader); } /* @@ -742,8 +744,11 @@ static inline int de_thread(struct task_struct *tsk) sig->flags = 0; no_thread_group: - BUG_ON(atomic_read(&sig->count) != 1); exit_itimers(sig); + if (leader) + release_task(leader); + + BUG_ON(atomic_read(&sig->count) != 1); if (atomic_read(&oldsighand->count) == 1) { /* @@ -1096,6 +1101,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) fput(bprm->file); bprm->file = NULL; current->did_exec = 1; + proc_exec_connector(current); return retval; } read_lock(&binfmt_lock); @@ -1509,7 +1515,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs) goto close_fail; if (!file->f_op->write) goto close_fail; - if (do_truncate(file->f_dentry, 0) != 0) + if (do_truncate(file->f_dentry, 0, file) != 0) goto close_fail; retval = binfmt->core_dump(signr, regs, file); |