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-rw-r--r--kernel/bpf/task_iter.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c
index 67e03e1833ba..c2a2182ce570 100644
--- a/kernel/bpf/task_iter.c
+++ b/kernel/bpf/task_iter.c
@@ -445,8 +445,8 @@ struct bpf_iter_seq_task_vma_info {
};
enum bpf_task_vma_iter_find_op {
- task_vma_iter_first_vma, /* use mm->mmap */
- task_vma_iter_next_vma, /* use curr_vma->vm_next */
+ task_vma_iter_first_vma, /* use find_vma() with addr 0 */
+ task_vma_iter_next_vma, /* use vma_next() with curr_vma */
task_vma_iter_find_vma, /* use find_vma() to find next vma */
};
@@ -544,10 +544,10 @@ again:
switch (op) {
case task_vma_iter_first_vma:
- curr_vma = curr_task->mm->mmap;
+ curr_vma = find_vma(curr_task->mm, 0);
break;
case task_vma_iter_next_vma:
- curr_vma = curr_vma->vm_next;
+ curr_vma = find_vma(curr_task->mm, curr_vma->vm_end);
break;
case task_vma_iter_find_vma:
/* We dropped mmap_lock so it is necessary to use find_vma
@@ -561,7 +561,7 @@ again:
if (curr_vma &&
curr_vma->vm_start == info->prev_vm_start &&
curr_vma->vm_end == info->prev_vm_end)
- curr_vma = curr_vma->vm_next;
+ curr_vma = find_vma(curr_task->mm, curr_vma->vm_end);
break;
}
if (!curr_vma) {