[issue42166] corrupted size vs. prev_size

[kannan]

New submission from kannan <kannaninfo93 at gmail.com>:

Getting the below error from long running python processes
----------------------------------------------------------

2020-10-18T21:52:59.383Z ======= Backtrace: =========
2020-10-18T21:52:59.383Z /lib64/libc.so.6(+0x7f3e4)[0x7f7bd3e053e4]
2020-10-18T21:52:59.383Z /lib64/libc.so.6(+0x814db)[0x7f7bd3e074db]
2020-10-18T21:52:59.383Z /lib64/libcrypto.so.10(CRYPTO_free+0x1d)[0x7f7bd1cfe80d]
2020-10-18T21:52:59.383Z /lib64/libssl.so.10(+0x41aa3)[0x7f7bd2134aa3]
2020-10-18T21:52:59.383Z /lib64/libssl.so.10(SSL_CTX_free+0x147)[0x7f7bd2136977]
2020-10-18T21:52:59.383Z /usr/local/lib/python3.7/lib-dynload/_ssl.cpython-37m-x86_64-linux-gnu.so(+0xe50b)[0x7f7bcf9d750b]
2020-10-18T21:52:59.383Z /lib64/libpython3.7m.so.1.0(+0x101bab)[0x7f7bd4db1bab]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xe2416)[0x7f7bd4d92416]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0x101ca1)[0x7f7bd4db1ca1]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xca6d9)[0x7f7bd4d7a6d9]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0x1f6255)[0x7f7bd4ea6255]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0x19fede)[0x7f7bd4e4fede]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyObject_GC_Malloc+0x133)[0x7f7bd4e50943]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyObject_GC_New+0xd)[0x7f7bd4e5099d]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xe3fdf)[0x7f7bd4d93fdf]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(PyObject_GetIter+0x16)[0x7f7bd4d62d86]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x133a)[0x7f7bd4e0c55a]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(+0xc562b)[0x7f7bd4d7562b]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0xa16)[0x7f7bd4e0bc36]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalCodeWithName+0x27e)[0x7f7bd4e1602e]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyFunction_FastCallKeywords+0xda)[0x7f7bd4d6d4aa]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x4f34)[0x7f7bd4e10154]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalCodeWithName+0x27e)[0x7f7bd4e1602e]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyFunction_FastCallKeywords+0xda)[0x7f7bd4d6d4aa]
2020-10-18T21:52:59.384Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x4f34)[0x7f7bd4e10154]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0xbcdfa)[0x7f7bd4d6cdfa]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x4f34)[0x7f7bd4e10154]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0xbcdfa)[0x7f7bd4d6cdfa]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x79c)[0x7f7bd4e0b9bc]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0xbcdfa)[0x7f7bd4d6cdfa]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyFunction_FastCallDict+0x66)[0x7f7bd4d6cfc6]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyObject_Call_Prepend+0x7b)[0x7f7bd4d6ef0b]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0x107b81)[0x7f7bd4db7b81]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0x1038a2)[0x7f7bd4db38a2]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyObject_FastCallKeywords+0x99)[0x7f7bd4d6dc89]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x52c5)[0x7f7bd4e104e5]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0xbcdfa)[0x7f7bd4d6cdfa]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x4f34)[0x7f7bd4e10154]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(+0xbcdfa)[0x7f7bd4d6cdfa]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyFunction_FastCallDict+0x66)[0x7f7bd4d6cfc6]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x1fd8)[0x7f7bd4e0d1f8]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalCodeWithName+0x27e)[0x7f7bd4e1602e]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyFunction_FastCallKeywords+0xda)[0x7f7bd4d6d4aa]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x4c4)[0x7f7bd4e0b6e4]
2020-10-18T21:52:59.385Z /lib64/libpython3.7m.so.1.0(_PyEval_EvalCodeWithName+0x27e)[0x7f7bd4e1602e]

----------
assignee: christian.heimes
components: SSL
messages: 379743
nosy: christian.heimes, kannanf9t
priority: normal
severity: normal
status: open
title: corrupted size vs. prev_size
type: crash
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42166>
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