May 26, 2021 | Linux, kernel
void dfs(struct rb_node *node) { struct vm_area_struct *vma; vma = rb_entry(node, struct vm_area_struct, vm_rb); trace_printk(“VMA: [0x%px – 0x%px]”, (void *)vma->vm_start, (void *)vma->vm_end); if (node->rb_left) dfs(node->rb_left); if...
Jan 21, 2021 | Linux, kernel
TL;DR: If process B is tracing process A using something like ptrace(), then B is the parent of A. In that case, B is not necessarily the real_parent of A. If B creates A (e.g. using fork()) but terminates before A, then init (PID 1) now becomes both the parent...
