From: Casey Schaufler Date: Tue, 22 Oct 2013 18:47:45 +0000 (-0700) Subject: Smack: Ptrace access check mode X-Git-Tag: firefly_0821_release~176^2~2675^2~95^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b5dfd8075bc26636d11c3d8888940198afbf5112;p=firefly-linux-kernel-4.4.55.git Smack: Ptrace access check mode When the ptrace security hooks were split the addition of a mode parameter was not taken advantage of in the Smack ptrace access check. This changes the access check from always looking for read and write access to using the passed mode. This will make use of /proc much happier. Targeted for git://git.gitorious.org/smack-next/kernel.git Signed-off-by: Casey Schaufler --- diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 88d366e55793..b0be893ad44d 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -185,7 +185,7 @@ static int smack_ptrace_access_check(struct task_struct *ctp, unsigned int mode) smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK); smk_ad_setfield_u_tsk(&ad, ctp); - rc = smk_curacc(skp->smk_known, MAY_READWRITE, &ad); + rc = smk_curacc(skp->smk_known, mode, &ad); return rc; }