Hang in Aws::ShutdownAPI

[hqho]

Describe the bug

We are seeing a hang in the ShutdownAPI with the following backtrace. Is this similar to #3282 and fix in #3288? In the backtrace below, the hang seem to be in the CRT layer. We on AWS SDK version 1.11.293

#0 0x00007fffec94570c in pthread_cond_wait@@GLIBC_2.3.2 () from /tmp/fileI4kEfw/libpthread.so.0
#1 0x00007ffeb2ecf389 in aws_condition_variable_wait () from /tmp/fileI4kEfw/libaws-cpp-sdk-core.so
#2 0x00007ffeb2ec8ac4 in aws_condition_variable_wait_pred () from /tmp/fileI4kEfw/libaws-cpp-sdk-core.so
#3 0x00007ffeb2ed2c3c in aws_thread_join_all_managed () from /tmp/fileI4kEfw/libaws-cpp-sdk-core.so
#4 0x00007ffeb2dca2c5 in Aws::Crt::ApiHandle::~ApiHandle() () from /tmp/fileI4kEfw/libaws-cpp-sdk-core.so
#5 0x00007ffeb2d758f4 in Aws::CleanupCrt() () from /tmp/fileI4kEfw/libaws-cpp-sdk-core.so
#6 0x00007ffeb2d7354f in Aws::ShutdownAPI(Aws::SDKOptions const&) () from /tmp/fileI4kEfw/libaws-cpp-sdk-core.so

Regression Issue

• Select this option if this issue appears to be a regression.

Expected Behavior

Shutdown should complete.

Current Behavior

Shutdown does not complete

Reproduction Steps

None

Possible Solution

No response

Additional Information/Context

No response

AWS CPP SDK version used

1.11.293

Compiler and Version used

gcc (SUSE Linux) 9.3.1 20200406

Operating System and version

SLES 15SP4

[sbiscigl]

AWS CPP SDK version used 1.11.293

Is this similar to #3282 and fix in #3288?

that version is older than the fix that was pushed out for that issue, does the issue sitll exist on the latest tag of the SDK?

[hqho]

Yes, this customer is running version 1.11.293 tag of the SDK which does not have this fix. We are not able to reproduce this race condition in-house to validate if the latest SDK fix this issue. Do you happen to know what version of the SDK has this fix? We recently pushed out SDK version 1.11.565 with our package which I believe has the fix. Can you verify if 1.11.565 has this fix?

[sbiscigl]

it was fixed in 1.11.505, you can look at the PR and commit history of any commit in the SDK to figure out version.

[github-actions]

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