Now kaslr makes kernel image size changable, not the fixed size 512M. So KERNEL_IMAGE_SIZE need be exported to VMCOREINFO, otherwise makedumfile will crash. Signed-off-by: Baoquan He <bhe at redhat.com> Acked-by: Kees Cook <keescook at chromium.org> Acked-by: Vivek Goyal <vgoyal at redhat.com> --- kernel/kexec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/kexec.c b/kernel/kexec.c index 2bee072..bd680d3 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -2003,6 +2003,9 @@ static int __init crash_save_vmcoreinfo_init(void) #endif VMCOREINFO_NUMBER(PG_head_mask); VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE); +#ifdef CONFIG_X86 + VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE); +#endif #ifdef CONFIG_HUGETLBFS VMCOREINFO_SYMBOL(free_huge_page); #endif -- 1.8.5.3
