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authorCasey Schaufler <casey@schaufler-ca.com>2024-03-14 18:31:26 +0300
committerPaul Moore <paul@paul-moore.com>2024-03-14 18:31:26 +0300
commita5a858f622a0aff5cdb5e271442cd01b2a01467f (patch)
tree4364a8a25bce17a4d0ec28a79445f2ff62824d1e /security/smack
parentb0546776ad3f332e215cebc0b063ba4351971cca (diff)
downloadlinux-a5a858f622a0aff5cdb5e271442cd01b2a01467f.tar.xz
lsm: use 32-bit compatible data types in LSM syscalls
Change the size parameters in lsm_list_modules(), lsm_set_self_attr() and lsm_get_self_attr() from size_t to u32. This avoids the need to have different interfaces for 32 and 64 bit systems. Cc: stable@vger.kernel.org Fixes: a04a1198088a ("LSM: syscalls for current process attributes") Fixes: ad4aff9ec25f ("LSM: Create lsm_list_modules system call") Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Reported-and-reviewed-by: Dmitry V. Levin <ldv@strace.io> [PM: subject and metadata tweaks, syscall.h fixes] Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/smack')
-rw-r--r--security/smack/smack_lsm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 28be26712396..146667937811 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3653,7 +3653,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode)
* There will only ever be one attribute.
*/
static int smack_getselfattr(unsigned int attr, struct lsm_ctx __user *ctx,
- size_t *size, u32 flags)
+ u32 *size, u32 flags)
{
int rc;
struct smack_known *skp;
@@ -3774,7 +3774,7 @@ static int do_setattr(u64 attr, void *value, size_t size)
* Returns 0 on success, an error code otherwise.
*/
static int smack_setselfattr(unsigned int attr, struct lsm_ctx *ctx,
- size_t size, u32 flags)
+ u32 size, u32 flags)
{
int rc;