tree 8b84836f4d0eefc67e8d15759d7a8cf7a5de47ce
parent e0411c7e2887d62350211c633f7c45b68b63282f
author Will McVicker <willmcvicker@google.com> 1618354781 -0700
committer Will McVicker <willmcvicker@google.com> 1620424324 -0700

ANDROID: xt_qtaguid: fix UAF race

Make sure to hold the sock_tag_list_lock while accessing the tag to
avoid a race between getting the tag and free'ing the tag.

Bug: 184018316
Fixes: c7ca0ac69702 ("ANDROID: netfilter: xt_qtaguid: add qtaguid matching module")
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: I62404bdaa602586e00821a7d4c5f9b9868a0e90a