With kaslr enabled, PAGE_OFFSET may no longer be aligned to allow
calculation using bitwise OR. My fix follows the same idea as
Baoquan's commit 4c53423b995463067fbbd394e724b4d1d6ea3d62 for
set_kcore_vmcoreinfo, i.e. use arithmetic addition instead.
Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>
---
elf_info.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/elf_info.c b/elf_info.c
index 1eaddd9..711601a 100644
--- a/elf_info.c
+++ b/elf_info.c
@@ -810,8 +810,8 @@ static int exclude_segment(struct pt_load_segment **pt_loads,
int i, j, tidx = -1;
unsigned long long vstart, vend, kvstart, kvend;
struct pt_load_segment temp_seg = {0};
- kvstart = (ulong)start | PAGE_OFFSET;
- kvend = (ulong)end | PAGE_OFFSET;
+ kvstart = (ulong)start + PAGE_OFFSET;
+ kvend = (ulong)end + PAGE_OFFSET;
unsigned long size;
for (i = 0; i < (*num_pt_loads); i++) {
--
2.13.6
_______________________________________________
kexec mailing list
kexec@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/kexec
