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| author | Stephen Smalley <sds@tycho.nsa.gov> | 2006-03-11 14:27:16 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-11 20:19:34 +0300 |
| commit | 341c2d806b71cc3596afeb2d9bd26cd718e75202 (patch) | |
| tree | 851a5b5cab5b836c8021bdac89a9a257887ede69 | |
| parent | 4136cabff33d6d73b8daf2f2612670cc0296f844 (diff) | |
| download | linux-341c2d806b71cc3596afeb2d9bd26cd718e75202.tar.xz | |
[PATCH] selinux: tracer SID fix
Fix SELinux to not reset the tracer SID when the child is already being
traced, since selinux_ptrace is also called by proc for access checking
outside of the context of a ptrace attach.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | security/selinux/hooks.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index b7773bf68efa..b65c201e9ff5 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1262,7 +1262,7 @@ static int selinux_ptrace(struct task_struct *parent, struct task_struct *child) rc = task_has_perm(parent, child, PROCESS__PTRACE); /* Save the SID of the tracing process for later use in apply_creds. */ - if (!rc) + if (!(child->ptrace & PT_PTRACED) && !rc) csec->ptrace_sid = psec->sid; return rc; } |