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Commit f4ee2def authored by Heinrich Schuchardt's avatar Heinrich Schuchardt Committed by John Johansen
Browse files

apparmor: do not expose kernel stack 



Do not copy uninitalized fields th.td_hilen, th.td_data.

Signed-off-by: default avatarHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: default avatarJohn Johansen <john.johansen@canonical.com>
parent 58acf9d9

security/apparmor/match.c

+3 −1
Original line number Diff line number Diff line
@@ -63,7 +63,9 @@ static struct table_header *unpack_table(char *blob, size_t bsize) 


	table = kvzalloc(tsize);

	if (table) {

		*table = th;

		table->td_id = th.td_id;

		table->td_flags = th.td_flags;

		table->td_lolen = th.td_lolen;

		if (th.td_flags == YYTD_DATA8)

			UNPACK_ARRAY(table->td_data, blob, th.td_lolen,

				     u8, byte_to_byte);