diff options
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index ad54c833116a..47b4e4f379f9 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -69,6 +69,7 @@ #include <linux/oom.h> #include <linux/khugepaged.h> #include <linux/signalfd.h> +#include <linux/uprobes.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -292,8 +293,6 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) int node = tsk_fork_get_node(orig); int err; - prepare_to_copy(orig); - tsk = alloc_task_struct_node(node); if (!tsk) return NULL; @@ -453,6 +452,9 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) if (retval) goto out; + + if (file && uprobe_mmap(tmp)) + goto out; } /* a new mm has just been created */ arch_dup_mmap(oldmm, mm); @@ -601,6 +603,7 @@ void mmput(struct mm_struct *mm) might_sleep(); if (atomic_dec_and_test(&mm->mm_users)) { + uprobe_clear_state(mm); exit_aio(mm); ksm_exit(mm); khugepaged_exit(mm); /* must run before exit_mmap */ @@ -779,6 +782,8 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm) exit_pi_state_list(tsk); #endif + uprobe_free_utask(tsk); + /* Get rid of any cached register state */ deactivate_mm(tsk, mm); @@ -833,6 +838,7 @@ struct mm_struct *dup_mm(struct task_struct *tsk) #ifdef CONFIG_TRANSPARENT_HUGEPAGE mm->pmd_huge_pte = NULL; #endif + uprobe_reset_state(mm); if (!mm_init(mm, tsk)) goto fail_nomem; @@ -1375,6 +1381,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, INIT_LIST_HEAD(&p->pi_state_list); p->pi_state_cache = NULL; #endif + uprobe_copy_process(p); /* * sigaltstack should be cleared when sharing the same VM */ |