From 3019712d45a7934a2bf21de8e2745c03701b05cc Mon Sep 17 00:00:00 2001 From: Peter Jones Date: Tue, 30 May 2017 14:16:07 -0400 Subject: [PATCH 104/105] Fix up linux params usage... Related: rhbz#1310763 Signed-off-by: Peter Jones --- grub-core/loader/i386/linux.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c index b1335f9ed..763863abe 100644 --- a/grub-core/loader/i386/linux.c +++ b/grub-core/loader/i386/linux.c @@ -680,6 +680,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), { grub_file_t file = 0; struct linux_kernel_header lh; + grub_uint8_t *linux_params_ptr; grub_uint8_t setup_sects; grub_size_t real_size, prot_size, prot_file_size, kernel_offset; grub_ssize_t len; @@ -811,6 +812,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), preferred_address)) goto fail; + grub_memset (&linux_params, 0, sizeof (linux_params)); grub_memcpy (&linux_params.setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1); @@ -820,7 +822,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), len = sizeof (linux_params) - sizeof (lh); - grub_memcpy (&linux_params + sizeof (lh), kernel + kernel_offset, len); + linux_params_ptr = (void *)&linux_params; + grub_memcpy (linux_params_ptr + sizeof (lh), kernel + kernel_offset, len); kernel_offset += len; linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE; -- 2.13.0