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selinux: fix labeling of /proc/net inodes

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The proc net rewrite had a side effect on selinux, leading it to mislabel
the /proc/net inodes, thereby leading to incorrect denials.  Fix
security_genfs_sid to ignore extra leading / characters in the path supplied
by selinux_proc_get_sid since we now get "//net/..." rather than "/net/...".

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Stephen Smalley 2008-01-25 13:03:42 -05:00 committed by James Morris
parent 99f1c97dbd
commit b1aa5301b9
1 changed files with 3 additions and 0 deletions
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3
security/selinux/ss/services.c
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@ -1744,6 +1744,9 @@ int security_genfs_sid(const char *fstype,
struct ocontext *c; struct ocontext *c;
int rc = 0, cmp = 0; int rc = 0, cmp = 0;
while (path[0] == '/' && path[1] == '/')
path++;
POLICY_RDLOCK; POLICY_RDLOCK;
for (genfs = policydb.genfs; genfs; genfs = genfs->next) { for (genfs = policydb.genfs; genfs; genfs = genfs->next) {