From: Paul Moore <paul@xxxxxxxxxxxxxx> The existing ebitmap_netlbl_import() code didn't correctly handle the case where the ebitmap_node was not aligned/sized to a power of two, this patch fixes this (on x86_64 ebitmap_node contains six bitmaps making a range of 0..383). Signed-off-by: Paul Moore <paul@xxxxxxxxxxxxxx> --- security/selinux/ss/ebitmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c index 57644b1..894b6cd 100644 --- a/security/selinux/ss/ebitmap.c +++ b/security/selinux/ss/ebitmap.c @@ -165,7 +165,7 @@ int ebitmap_netlbl_import(struct ebitmap *ebmap, e_iter = kzalloc(sizeof(*e_iter), GFP_ATOMIC); if (e_iter == NULL) goto netlbl_import_failure; - e_iter->startbit = offset & ~(EBITMAP_SIZE - 1); + e_iter->startbit = offset - (offset % EBITMAP_SIZE); if (e_prev == NULL) ebmap->node = e_iter; else _______________________________________________ Selinux mailing list Selinux@xxxxxxxxxxxxx To unsubscribe, send email to Selinux-leave@xxxxxxxxxxxxx. To get help, send an email containing "help" to Selinux-request@xxxxxxxxxxxxx.
