x86: fix text_poke()
kernel_text_address returns true even for modules which is not wanted in text_poke. Use core_kernel_text instead. This is a regression introduced in e587cadd8f47e202a30712e2906a65a0606d5865 which caused occasionaly crashes after suspend/resume. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> CC: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> CC: Andi Kleen <andi@firstfloor.org> CC: pageexec@freemail.hu CC: H. Peter Anvin <hpa@zytor.com> CC: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
@ -515,7 +515,7 @@ void *__kprobes text_poke(void *addr, const void *opcode, size_t len)
|
||||
BUG_ON(len > sizeof(long));
|
||||
BUG_ON((((long)addr + len - 1) & ~(sizeof(long) - 1))
|
||||
- ((long)addr & ~(sizeof(long) - 1)));
|
||||
if (kernel_text_address((unsigned long)addr)) {
|
||||
if (core_kernel_text((unsigned long)addr)) {
|
||||
struct page *pages[2] = { virt_to_page(addr),
|
||||
virt_to_page(addr + PAGE_SIZE) };
|
||||
if (!pages[1])
|
||||
|
Reference in New Issue
Block a user