Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b599fdfdb4bb4941e9076308efcf3bb89e577db5
Commit: b599fdfdb4bb4941e9076308efcf3bb89e577db5
Parent: 3fbfa98112fc3962c416452a0baf2214381030e6
Author: Eric W. Biederman <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 14 00:34:15 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Feb 14 08:10:00 2007 -0800
[PATCH] sysctl: fix the selinux_sysctl_get_sid
I goofed and when reenabling the fine grained selinux labels for
sysctls and forgot to add the "/sys" prefix before consulting
the policy database. When computing the same path using
proc_dir_entries we got the "/sys" for free as it was part
of the tree, but it isn't true for clt_table trees.
Signed-off-by: Eric W. Biederman <[EMAIL PROTECTED]>
Acked-by: Stephen Smalley <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
security/selinux/hooks.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 118ddfb..b8ede1c 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1451,6 +1451,12 @@ static int selinux_sysctl_get_sid(ctl_table *table, u16
tclass, u32 *sid)
path = end;
table = table->parent;
}
+ buflen -= 4;
+ if (buflen < 0)
+ goto out_free;
+ end -= 4;
+ memcpy(end, "/sys", 4);
+ path = end;
rc = security_genfs_sid("proc", path, tclass, sid);
out_free:
free_page((unsigned long)buffer);
-
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