Commit ee1e6ab6 authored Jul 21, 2008 by Alexey Dobriyan Committed by Linus Torvalds Jul 22, 2008

proc: fix /proc/*/pagemap some more

struct pagemap_walk was placed on stack, some hooks are initialized, the
rest (->pgd_entry, ->pud_entry, ->pte_entry) are valid but junk.

Reported-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Vegard Nossum" <vegard.nossum@gmail.com>
Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 91cd4d6e

fs/proc/task_mmu.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -636,7 +636,7 @@ static ssize_t pagemap_read(struct file file, char __user buf,
	struct pagemapread pm;		struct pagemapread pm;
	int pagecount;		int pagecount;
	int ret = -ESRCH;		int ret = -ESRCH;
	struct mm_walk pagemap_walk;		struct mm_walk pagemap_walk = {};
	unsigned long src;		unsigned long src;
	unsigned long svpfn;		unsigned long svpfn;
	unsigned long start_vaddr;		unsigned long start_vaddr;

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