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| author | Vasily Gorbik <gor@linux.ibm.com> | 2019-08-13 20:11:08 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2019-08-21 12:58:52 +0200 |
| commit | 8769f610fe6d473e5e8e221709c3ac402037da6c (patch) | |
| tree | c740258be7d3cd1f37d7c58d4495d7b11af31ce9 /security/apparmor | |
| parent | f45f7b5bdaa4828ce871cf03f7c01599a0de57a5 (diff) | |
| download | lwn-8769f610fe6d473e5e8e221709c3ac402037da6c.tar.gz lwn-8769f610fe6d473e5e8e221709c3ac402037da6c.zip | |
s390/process: avoid potential reading of freed stack
With THREAD_INFO_IN_TASK (which is selected on s390) task's stack usage
is refcounted and should always be protected by get/put when touching
other task's stack to avoid race conditions with task's destruction code.
Fixes: d5c352cdd022 ("s390: move thread_info into task_struct")
Cc: stable@vger.kernel.org # v4.10+
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'security/apparmor')
0 files changed, 0 insertions, 0 deletions