ucounts: fix counter leak in inc_rlimit_get_ucounts()

The inc_rlimit_get_ucounts() increments the specified rlimit counter and
then checks its limit.  If the value exceeds the limit, the function
returns an error without decrementing the counter.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 15bc01effefe ("ucounts: Fix signal ucount refcounting")
Signed-off-by: Andrei Vagin <[email protected]>
Co-developed-by: Roman Gushchin <[email protected]>
Signed-off-by: Roman Gushchin <[email protected]>
Tested-by: Roman Gushchin <[email protected]>
Acked-by: Alexey Gladkov <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Andrei Vagin <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Alexey Gladkov <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions