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syscalls: fix modspecific_t stack content leak

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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
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2
sys/kern/kern_syscalls.c
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@ -173,7 +173,7 @@ kern_syscall_module_handler(struct sysent *sysents, struct module *mod,
int what, void *arg) int what, void *arg)
{ {
struct syscall_module_data *data = arg; struct syscall_module_data *data = arg;
modspecific_t ms; modspecific_t ms = { 0 };
int error; int error;
switch (what) { switch (what) {