[PATCH 2/3] multiboot2: Use rel_min and rel_max for mbi destination

Zhaofeng Li hello at zhaofeng.li
Fri Sep 10 19:48:59 PDT 2021


This would segfault if mhi.rel_tag didn't exist.

Signed-off-by: Zhaofeng Li <hello at zhaofeng.li>
---
 kexec/arch/i386/kexec-mb2-x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kexec/arch/i386/kexec-mb2-x86.c b/kexec/arch/i386/kexec-mb2-x86.c
index c10c0ef..49fcc2d 100644
--- a/kexec/arch/i386/kexec-mb2-x86.c
+++ b/kexec/arch/i386/kexec-mb2-x86.c
@@ -600,7 +600,7 @@ int multiboot2_x86_load(int argc, char **argv, const char *buf, off_t len,
 		return -1;
 
 	addr = add_buffer(info, mbi_buf, mbi_bytes, mbi_bytes, 4,
-			  mhi.rel_tag->min_addr, mhi.rel_tag->max_addr, 1);
+			  rel_min, rel_max, 1);
 
 	elf_rel_get_symbol(&info->rhdr, "entry32_regs", &regs, sizeof(regs));
 	regs.eax = MULTIBOOT2_BOOTLOADER_MAGIC;
-- 
2.32.0




More information about the kexec mailing list