| commit | 8f9e86ee795971eabbf372e6d804d6b8578287a7 | [log] [tgz] |
|---|---|---|
| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | Mon Jul 01 19:55:19 2019 +0900 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Jul 25 13:11:51 2019 +0200 |
| tree | 9063b410bef132e8c63c79d1d60f674fae2ebeec | |
| parent | 92e3e884887c0d278042fbbb6f6c9b41d6addb71 [diff] |
staging: android: ion: Bail out upon SIGKILL when allocating memory. syzbot found that a thread can stall for minutes inside ion_system_heap_allocate() after that thread was killed by SIGKILL [1]. Let's check for SIGKILL before doing memory allocation. [1] https://syzkaller.appspot.com/bug?id=a0e3436829698d5824231251fad9d8e998f94f5e Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: stable <stable@vger.kernel.org> Reported-by: syzbot <syzbot+8ab2d0f39fb79fe6ca40@syzkaller.appspotmail.com> Acked-by: Laura Abbott <labbott@redhat.com> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Link: https://lore.kernel.org/r/d088f188-5f32-d8fc-b9a0-0b404f7501cc@I-love.SAKURA.ne.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>