Make libprotobuf symbols local on OSX #8346
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@gnossen gave a great overview in grpc/grpc#24992 of the overall problem. If a python process using both protobuf _and_ another native library linking in libprotobuf frequently can cause crashes. This seems to frequently affect tensorflow as well: tensorflow/tensorflow#8394, tensorflow/tensorflow#9525 (comment) tensorflow/tensorflow#24976, tensorflow/tensorflow#35573, https://github.com/tensorflow/tensorflow/blob/v2.0.0/tensorflow/contrib/makefile/rename_protobuf.sh, tensorflow/tensorflow#16104 Testing locally this fixes both crashes when linking in multiple versions of protobuf and fixes `DescriptorPool` clashes as well (e.g. Python and Native code import different versions of the same message).
TeBoring
reviewed
Apr 23, 2021
| @@ -192,6 +192,18 @@ def get_option_from_sys_argv(option_str): | |||
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| extra_compile_args = [] | |||
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| message_extra_link_args = None | |||
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https://github.com/grpc/grpc/pull/24992/files
Could you add a comment like the one in grpc's PR to explain the reason?
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Reply to my own questions:
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TeBoring
approved these changes
Apr 24, 2021
goaway
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Jun 8, 2021
Description: This PR modifies the build recipe for `envoy_engine.so` to hide all symbols except for `_PyInit_envoy_engine` by default on maOS, so that envoy_engine can be loaded alongside a [protobuf](http://pypi.org/project/protobuf) wheel without breaking. Loading in protobuf alongside `envoy_engine.so` would register two sets of the same symbols and, on macOS, the runtime linker chooses the first symbol it finds causing problems. See the [similar protobuf change](protocolbuffers/protobuf#8346) and its [sister change in grpc](grpc/grpc#24992) for more information on what's going on. Risk Level: Low Testing: See the now-closed #1504 for how I've been testing this. Docs Changes: N/A Release Notes: N/A Signed-off-by: Cerek Hillen <[email protected]>
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@TeBoring what happened to these changes? I can't see them in the current branch, nor in the git history for the setup.py file. |
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@TeBoring @rowillia @jtattermusch these changes were removed here, and then some of the changes to |
acozzette
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Jan 22, 2022
@gnossen gave a great overview in grpc/grpc#24992 of the overall problem. If a python process using both protobuf _and_ another native library linking in libprotobuf frequently can cause crashes. This seems to frequently affect tensorflow as well: tensorflow/tensorflow#8394, tensorflow/tensorflow#9525 (comment) tensorflow/tensorflow#24976, tensorflow/tensorflow#35573, https://github.com/tensorflow/tensorflow/blob/v2.0.0/tensorflow/contrib/makefile/rename_protobuf.sh, tensorflow/tensorflow#16104 Testing locally this fixes both crashes when linking in multiple versions of protobuf and fixes `DescriptorPool` clashes as well (e.g. Python and Native code import different versions of the same message).
acozzette
added a commit
that referenced
this pull request
Jan 25, 2022
@gnossen gave a great overview in grpc/grpc#24992 of the overall problem. If a python process using both protobuf _and_ another native library linking in libprotobuf frequently can cause crashes. This seems to frequently affect tensorflow as well: tensorflow/tensorflow#8394, tensorflow/tensorflow#9525 (comment) tensorflow/tensorflow#24976, tensorflow/tensorflow#35573, https://github.com/tensorflow/tensorflow/blob/v2.0.0/tensorflow/contrib/makefile/rename_protobuf.sh, tensorflow/tensorflow#16104 Testing locally this fixes both crashes when linking in multiple versions of protobuf and fixes `DescriptorPool` clashes as well (e.g. Python and Native code import different versions of the same message). Co-authored-by: Roy Williams <[email protected]>
jpsim
pushed a commit
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that referenced
this pull request
Nov 28, 2022
Description: This PR modifies the build recipe for `envoy_engine.so` to hide all symbols except for `_PyInit_envoy_engine` by default on maOS, so that envoy_engine can be loaded alongside a [protobuf](http://pypi.org/project/protobuf) wheel without breaking. Loading in protobuf alongside `envoy_engine.so` would register two sets of the same symbols and, on macOS, the runtime linker chooses the first symbol it finds causing problems. See the [similar protobuf change](protocolbuffers/protobuf#8346) and its [sister change in grpc](grpc/grpc#24992) for more information on what's going on. Risk Level: Low Testing: See the now-closed #1504 for how I've been testing this. Docs Changes: N/A Release Notes: N/A Signed-off-by: Cerek Hillen <[email protected]> Signed-off-by: JP Simard <[email protected]>
jpsim
pushed a commit
to envoyproxy/envoy
that referenced
this pull request
Nov 29, 2022
Description: This PR modifies the build recipe for `envoy_engine.so` to hide all symbols except for `_PyInit_envoy_engine` by default on maOS, so that envoy_engine can be loaded alongside a [protobuf](http://pypi.org/project/protobuf) wheel without breaking. Loading in protobuf alongside `envoy_engine.so` would register two sets of the same symbols and, on macOS, the runtime linker chooses the first symbol it finds causing problems. See the [similar protobuf change](protocolbuffers/protobuf#8346) and its [sister change in grpc](grpc/grpc#24992) for more information on what's going on. Risk Level: Low Testing: See the now-closed #1504 for how I've been testing this. Docs Changes: N/A Release Notes: N/A Signed-off-by: Cerek Hillen <[email protected]> Signed-off-by: JP Simard <[email protected]>
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@gnossen gave a great overview in grpc/grpc#24992 of the overall problem.
If a python process using both protobuf and another native library linking in libprotobuf
frequently can cause crashes. This seems to frequently affect tensorflow as well:
tensorflow/tensorflow#8394,
tensorflow/tensorflow#9525 (comment)
tensorflow/tensorflow#24976,
tensorflow/tensorflow#35573,
https://github.com/tensorflow/tensorflow/blob/v2.0.0/tensorflow/contrib/makefile/rename_protobuf.sh,
tensorflow/tensorflow#16104
This fixes both crashes when linking in multiple versions of protobuf
and fixes
DescriptorPoolclashes as well (e.g. Python and Native code import different versions of the same message).