[PATCH 0/4] revocable: Fix reported race conditions

Tzung-Bi Shih
2026-01-29T14:38:01Z

The 1st patch fixes the issue reported in [1]. The 2nd patch adds KUnit
test for the cases.

The 3rd patch fixes the issue reported in [2]. The 4th patch adds KUnit
test for one of the cases.

[1] https://lore.kernel.org/all/aXdy-b3GOJkzGqYo@hovoldconsulting.com/
[2] https://lore.kernel.org/all/20260124170535.11756-4-johan@kernel.org/

Tzung-Bi Shih (4):
revocable: Fix races in revocable_alloc() using RCU
revocable: Add KUnit test for provider lifetime races
revocable: fix SRCU index corruption by requiring caller-provided
storage
revocable: Add KUnit test for concurrent access

.../driver-api/driver-model/revocable.rst | 17 +-
drivers/base/revocable.c | 118 +++++-----
drivers/base/revocable_test.c | 216 +++++++++++++++---
include/linux/revocable.h | 60 +++--
.../revocable/test_modules/revocable_test.c | 54 ++---
5 files changed, 300 insertions(+), 165 deletions(-)