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Potential Vulnerability in Cloned Code #94

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2 changes: 1 addition & 1 deletion mm/rmap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -351,8 +351,8 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
/* Mark this anon_vma as the one where our new (COWed) pages go. */
vma->anon_vma = anon_vma;
anon_vma_lock_write(anon_vma);
anon_vma->parent->num_children++;
anon_vma_chain_link(vma, avc, anon_vma);
anon_vma->parent->degree++;
anon_vma_unlock_write(anon_vma);

return 0;
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