Introduce an abritrary 128MiB cap to avoid malloc failures when using
a larger block device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: WeiXiong Liao <gmpy.liaowx@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201016132047.3068029-2-hch@lst.de
pr_warn("total_size must be >= 4096\n");
return -EINVAL;
}
+ if (info->total_size > SZ_128M) {
+ pr_warn("capping size to 128MiB\n");
+ info->total_size = SZ_128M;
+ }
if (!info->kmsg_size && !info->pmsg_size && !info->console_size &&
!info->ftrace_size) {