tree b02f4509d378df7359cc06ad28e4a7e12ec64835
parent 097b74e5c4c3acffd6608ab52707aec7c37cdd96
author Hsuan-Chi Kuo <hsuanchikuo@gmail.com> 1614901028 -0600
committer Connor O'Brien <connoro@google.com> 1632766922 -0700

UPSTREAM: seccomp: Fix setting loaded filter count during TSYNC

The desired behavior is to set the caller's filter count to thread's.
This value is reported via /proc, so this fixes the inaccurate count
exposed to userspace; it is not used for reference counting, etc.

Signed-off-by: Hsuan-Chi Kuo <hsuanchikuo@gmail.com>
Link: https://lore.kernel.org/r/20210304233708.420597-1-hsuanchikuo@gmail.com
Co-developed-by: Wiktor Garbacz <wiktorg@google.com>
Signed-off-by: Wiktor Garbacz <wiktorg@google.com>
Link: https://lore.kernel.org/lkml/20210810125158.329849-1-wiktorg@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Fixes: c818c03b661c ("seccomp: Report number of loaded filters in /proc/$pid/status")
(cherry picked from commit b4d8a58f8dcfcc890f296696cadb76e77be44b5f)
Bug: 187129171
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: Ia3ee7ec71e9fdbb8d958f9b42b1c6e02c761503f