diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2013-07-05 01:11:22 +0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2013-07-05 01:11:22 +0400 |
commit | 2b0f89317e99735bbf32eaede81f707f98ab1b5e (patch) | |
tree | 16daa236e21876b11f1c0b9256cd4046aadba020 /fs/exec.c | |
parent | 07bd1172902e782f288e4d44b1fde7dec0f08b6f (diff) | |
parent | fa18f7bde3ad4568d1d343b60d963bfbd8dc3991 (diff) | |
download | linux-2b0f89317e99735bbf32eaede81f707f98ab1b5e.tar.xz |
Merge branch 'timers/posix-cpu-timers-for-tglx' of
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/core
Frederic sayed: "Most of these patches have been hanging around for
several month now, in -mmotm for a significant chunk. They already
missed a few releases."
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/exec.c')
-rw-r--r-- | fs/exec.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/exec.c b/fs/exec.c index 643019585574..ffd7a813ad3d 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1135,13 +1135,6 @@ void setup_new_exec(struct linux_binprm * bprm) set_dumpable(current->mm, suid_dumpable); } - /* - * Flush performance counters when crossing a - * security domain: - */ - if (!get_dumpable(current->mm)) - perf_event_exit_task(current); - /* An exec changes our domain. We are no longer part of the thread group */ @@ -1205,6 +1198,15 @@ void install_exec_creds(struct linux_binprm *bprm) commit_creds(bprm->cred); bprm->cred = NULL; + + /* + * Disable monitoring for regular users + * when executing setuid binaries. Must + * wait until new credentials are committed + * by commit_creds() above + */ + if (get_dumpable(current->mm) != SUID_DUMP_USER) + perf_event_exit_task(current); /* * cred_guard_mutex must be held at least to this point to prevent * ptrace_attach() from altering our determination of the task's |