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acrn-hypervisor
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HV: correct bootargs module size 

The bootargs module represents a string buffer and there is a NULL char at
the end so its size should not be calculated by strnlen_s(), otherwise the
NULL char will be ignored in gpa copy and result in kernel boot fail;

Tracked-On: #6162

Signed-off-by: Victor Sun <victor.sun@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
This commit is contained in:
Victor Sun 2021-06-07 15:59:56 +08:00 committed by wenlingz
parent 268d4c3f3c
commit a966ed70c2
1 changed files with 1 additions and 1 deletions
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2
hypervisor/boot/guest/vboot_info.c
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@ -150,7 +150,7 @@ static void init_vm_bootargs_info(struct acrn_vm *vm, const struct acrn_boot_inf
}
vm->sw.bootargs_info.size = strnlen_s((const char *)vm->sw.bootargs_info.src_addr, MAX_BOOTARGS_SIZE);
vm->sw.bootargs_info.size = strnlen_s((const char *)vm->sw.bootargs_info.src_addr, (MAX_BOOTARGS_SIZE - 1U)) + 1U;
}