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binderfs: add stress test for binderfs binder devices

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This adds a stress test that should hopefully help us catch regressions
for [1], [2], and [3].

[1]: 2669b8b0c7 ("binder: prevent UAF for binderfs devices")
[2]: f0fe2c0f05 ("binder: prevent UAF for binderfs devices II")
[3]: 211b64e4b5 ("binderfs: use refcount for binder control devices too")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200313152420.138777-3-christian.brauner@ubuntu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Brauner
2020-03-13 16:24:20 +01:00
committed by Greg Kroah-Hartman
parent ad29ace2e2
commit e48d117436
2 changed files with 334 additions and 94 deletions
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2
tools/testing/selftests/filesystems/binderfs/Makefile
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@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS += -I../../../../../usr/include/
CFLAGS += -I../../../../../usr/include/ -pthread
TEST_GEN_PROGS := binderfs_test
binderfs_test: binderfs_test.c ../../kselftest.h ../../kselftest_harness.h