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[PATCH] fix kill_proc_info() vs fork() theoretical race
[linux-2.6-block.git]
/
kernel
/
ptrace.c
diff --git
a/kernel/ptrace.c
b/kernel/ptrace.c
index 5f33cdb6fff5f7e629842a8bee7865bb2607515c..d2cf144d0af5156d50ba8340f19697096ad957d4 100644
(file)
--- a/
kernel/ptrace.c
+++ b/
kernel/ptrace.c
@@
-242,8
+242,7
@@
int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in
if (write) {
copy_to_user_page(vma, page, addr,
maddr + offset, buf, bytes);
- if (!PageCompound(page))
- set_page_dirty_lock(page);
+ set_page_dirty_lock(page);
} else {
copy_from_user_page(vma, page, addr,
buf, maddr + offset, bytes);