syscalls: fix modspecific_t stack content leak

Zero-initialize the whole modspecific_t so that there would
not be kernel stack content leak in the unused part.

Sponsored by:	Juniper Networks, Inc.
MFC after:	1 days
Differential Revision:	https://reviews.freebsd.org/D40815

This commit is contained in:

Ka Ho Ng

2023-06-27 15:33:46 -04:00

parent f03a7e5276

commit 2cab2d43b8

1 changed files with 1 additions and 1 deletions

									
										sys/kern/kern_syscalls.c
									
		+1
		-1
	
												View File
												
				@@ -173,7 +173,7 @@ kern_syscall_module_handler(struct sysent *sysents, struct module *mod,

				    int what, void *arg)

				{

					struct syscall_module_data *data = arg;

					modspecific_t ms;

					modspecific_t ms = { 0 };

					int error;

					switch (what) {