diff options
Diffstat (limited to 'kernel/acct.c')
| -rw-r--r-- | kernel/acct.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/acct.c b/kernel/acct.c index 9f3391090b3e..a6605ca921b6 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 @@ -532,7 +536,8 @@ static void do_acct_process(struct bsd_acct_struct *acct, do_div(elapsed, AHZ); ac.ac_btime = get_seconds() - elapsed; /* we really need to bite the bullet and change layout */ - current_uid_gid(&ac.ac_uid, &ac.ac_gid); + ac.ac_uid = orig_cred->uid; + ac.ac_gid = orig_cred->gid; #if ACCT_VERSION==2 ac.ac_ahz = AHZ; #endif @@ -578,6 +583,8 @@ 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); } /** |