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Commit f946eeb9 authored by Sasha Levin's avatar Sasha Levin Committed by Rusty Russell
Browse files

module: Remove module size limit 



Module size was limited to 64MB, this was legacy limitation due to vmalloc()
which was removed a while ago.

Limiting module size to 64MB is both pointless and affects real world use
cases.

Cc: Tim Abbott <tim.abbott@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent d53799be

kernel/module.c

+1 −2
Original line number Original line Diff line number Diff line
@@ -2411,8 +2411,7 @@ static int copy_and_check(struct load_info *info, 
		return -ENOEXEC;

		return -ENOEXEC;





	/* Suck in entire file: we'll want most of it. */

	/* Suck in entire file: we'll want most of it. */

	/* vmalloc barfs on "unusual" numbers.  Check here */

	if ((hdr = vmalloc(len)) == NULL)

	if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL)

		return -ENOMEM;

		return -ENOMEM;





	if (copy_from_user(hdr, umod, len) != 0) {

	if (copy_from_user(hdr, umod, len) != 0) {