Re: [RFC V4 PATCH 0/1] selinux-testsuite: Add binder tests

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On 05/22/2018 07:37 AM, Richard Haines wrote:
> Could you try this version where I've packed the transaction structures.
> I could not get the tests to fail on my two systems (but then V3 didn't).

Hmmm...I saw one instance of a failure in test 6 when running ./test by
hand but am now having problems replicating it.

dmesg output during all 6 tests was:

[  263.831513] binder: release 2025:2025 transaction 2 out, still active
[  263.831519] binder: 2024:2024 transaction failed 29189/0, size 24-8 line 2788
[  263.831522] binder: send failed reply for transaction 2, target dead
[  263.846321] binder: 2026:2026 transaction failed 29201/-1, size 24-8 line 2864
[  263.858613] binder: 2024:2027 transaction failed 29201/-1, size 0-0 line 2864
[  263.872764] binder: 2028:2028 transaction failed 29201/-1, size 24-8 line 3050
[  263.883684] binder: 2029:2029 ioctl 40046207 0 returned -13
[  263.895261] binder: 2030 RLIMIT_NICE not set
[  264.151699] binder: 2030 RLIMIT_NICE not set
[  264.151879] binder: 2030 RLIMIT_NICE not set
[  264.152212] binder: undelivered transaction 19, process died.
[  264.152219] binder: 2030 RLIMIT_NICE not set
[  264.153438] binder: 2030 RLIMIT_NICE not set

Are all of those expected?

/sys/kernel/debug/binder/failed_transaction_log contained:

5: reply from 2024:2024 to 0:0 context binder node 0 handle 0 size 24:8 ret 29189/0 l=2788
6: call  from 2026:2026 to 0:0 context binder node 1 handle 0 size 24:8 ret 29201/-1 l=2864
11: async from 2024:2027 to 0:0 context binder node 8 handle 2 size 0:0 ret 29201/-1 l=2864
12: call  from 2028:2028 to 2024:0 context binder node 1 handle 0 size 24:8 ret 29201/-1 l=3050
24: reply from 2039:2039 to 2040:2040 context binder node 0 handle 0 size 24:8 ret 29189/-3 l=2971
25: call  from 2041:2041 to 0:0 context binder node 20 handle 0 size 24:8 ret 29201/-1 l=2864
30: async from 2039:2042 to 0:0 context binder node 27 handle 2 size 0:0 ret 29201/-1 l=2864
31: call  from 2043:2043 to 2039:0 context binder node 20 handle 0 size 24:8 ret 29201/-1 l=3050
43: reply from 2050:2050 to 2051:2051 context binder node 0 handle 0 size 24:8 ret 29189/-3 l=2971
44: call  from 2052:2052 to 0:0 context binder node 39 handle 0 size 24:8 ret 29201/-1 l=2864
49: async from 2050:2053 to 0:0 context binder node 46 handle 2 size 0:0 ret 29201/-1 l=2864
50: call  from 2054:2054 to 2050:0 context binder node 39 handle 0 size 24:8 ret 29201/-1 l=3050
62: reply from 2062:2062 to 0:0 context binder node 0 handle 0 size 24:8 ret 29189/0 l=2788
63: call  from 2064:2064 to 0:0 context binder node 58 handle 0 size 24:8 ret 29201/-1 l=2864
68: async from 2062:2065 to 0:0 context binder node 65 handle 2 size 0:0 ret 29201/-1 l=2864
69: call  from 2066:2066 to 2062:0 context binder node 58 handle 0 size 24:8 ret 29201/-1 l=3050

> 
> Thanks
> 
> I've updated this so it still tests all the binder permissions.
> 
> I didn't bother with a Client as I found another way to achieve the
> same result. Plenty of comments in test_binder.c to explain. Hopefully
> it is sane, otherwise a Client will be required.
> 
> I've tested on Fedora 28 with linux-4.17-rc5 so that it does not
> suffer the same fate as V1 did. Also looked to see what other patches
> were in the pipeline, none that should stop this version working.
> 
> V2 Changes:
> Fixed the policy and test Makefiles
> Updated binder policy.
> Updated the defconfig and now works to build linux-4.17-rc5
> Updated the test to handle the -v option. Plenty of output
> to see what is happening.
> 
> V3 Changes:
> Added missing policy for using shared memory.
> Use the allow_map macro.
> 
> V4 Changes:
> Pack transaction structures.
> Check if $(INCLUDEDIR)/linux/android/binder.h exists.
> 
> Richard Haines (1):
>   selinux-testsuite: Add binder tests
> 
>  README.md                   |   8 +
>  defconfig                   |   7 +
>  policy/Makefile             |   4 +
>  policy/test_binder.te       | 120 +++++++
>  tests/Makefile              |   5 +
>  tests/binder/Makefile       |   7 +
>  tests/binder/check_binder.c |  80 +++++
>  tests/binder/test           |  89 +++++
>  tests/binder/test_binder.c  | 684 ++++++++++++++++++++++++++++++++++++
>  9 files changed, 1004 insertions(+)
>  create mode 100644 policy/test_binder.te
>  create mode 100644 tests/binder/Makefile
>  create mode 100644 tests/binder/check_binder.c
>  create mode 100644 tests/binder/test
>  create mode 100644 tests/binder/test_binder.c
> 




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