OpenCloudOS-Kernel/drivers/staging/android
Tetsuo Handa 8f9e86ee79 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>
2019-07-25 13:11:51 +02:00
..
ion staging: android: ion: Bail out upon SIGKILL when allocating memory. 2019-07-25 13:11:51 +02:00
uapi staging: android: ion: Add the GPL exception for syscalls 2019-02-14 10:47:20 +01:00
Kconfig staging: remove redundant 'default n' from Kconfig 2019-04-16 13:39:01 +02:00
Makefile staging: add missing SPDX lines to Makefile files 2019-04-03 11:10:15 +02:00
TODO staging: Android: vsoc: Create wc kernel mapping for region shm. 2018-05-03 13:53:03 -07:00
ashmem.c staging: android: ashmem: Avoid range_alloc() allocation with ashmem_mutex held. 2019-02-26 11:50:17 +01:00
ashmem.h staging: android: Clean up license identifiers 2018-05-08 13:24:15 +02:00
vsoc.c staging: android: vsoc: fix copy_from_user overrun 2019-04-16 13:31:58 +02:00