6.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian Brauner <brauner@xxxxxxxxxx> [ Upstream commit 95c54bc81791c210b131f2b1013942487e74896f ] So we can easily convert revert_creds() callers over to drop the reference count explicitly. Link: https://lore.kernel.org/r/20241125-work-cred-v2-2-68b9d38bb5b2@xxxxxxxxxx Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx> Reviewed-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> Stable-dep-of: e04918dc5946 ("cred: Fix RCU warnings in override/revert_creds") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- include/linux/cred.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/cred.h b/include/linux/cred.h index e4a3155fe409d..382768a9707b5 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -185,9 +185,12 @@ static inline const struct cred *override_creds_light(const struct cred *overrid return old; } -static inline void revert_creds_light(const struct cred *revert_cred) +static inline const struct cred *revert_creds_light(const struct cred *revert_cred) { + const struct cred *override_cred = current->cred; + rcu_assign_pointer(current->cred, revert_cred); + return override_cred; } /** -- 2.39.5
