1 files changed, 7 insertions, 1 deletions

diff --git a/kernel/acct.c b/kernel/acct.c
index 9f3391090b3e..9a4715a2f6bf 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -491,13 +491,17 @@ static void do_acct_process(struct bsd_acct_struct *acct,
         u64 run_time;
         struct timespec uptime;
         struct tty_struct *tty;
+        const struct cred *orig_cred;
+
+        /* Perform file operations on behalf of whoever enabled accounting */
+        orig_cred = override_creds(file->f_cred);
 
         /*
          * First check to see if there is enough free_space to continue
          * the process accounting system.
          */
         if (!check_free_space(acct, file))
-                return;
+                goto out;
 
         /*
          * Fill the accounting struct with the needed info as recorded
@@ -578,6 +582,8 @@ static void do_acct_process(struct bsd_acct_struct *acct,
                                sizeof(acct_t), &file->f_pos);
         current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim;
         set_fs(fs);
+out:
+        revert_creds(orig_cred);
 }
 
 /**