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selinux: use correct type for context length

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[ Upstream commit b97df7c098c531010e445da88d02b7bf7bf59ef6 ]

security_sid_to_context() expects a pointer to an u32 as the address
where to store the length of the computed context.

Reported by sparse:

    security/selinux/xfrm.c:359:39: warning: incorrect type in arg 4
                                    (different signedness)
    security/selinux/xfrm.c:359:39:    expected unsigned int
                                       [usertype] *scontext_len
    security/selinux/xfrm.c:359:39:    got int *

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
[PM: wrapped commit description]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christian Göttsche 2022-02-17 15:21:25 +01:00 committed by Greg Kroah-Hartman
parent 7507ead1e9
commit 4b9b60b5bf
1 changed files with 1 additions and 1 deletions
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2
security/selinux/xfrm.c
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@ -346,7 +346,7 @@ int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
int rc; int rc;
struct xfrm_sec_ctx *ctx; struct xfrm_sec_ctx *ctx;
char *ctx_str = NULL; char *ctx_str = NULL;
int str_len; u32 str_len;
if (!polsec) if (!polsec)
return 0; return 0;