Avoid potential pfree on NULL on OpenSSL errors
Guard against the pointer being NULL before pfreeing upon an error
returned from OpenSSL. Also handle errors from X509_NAME_print_ex
which also can return -1 on memory allocation errors.
Backpatch down to v15 where the code was added.
Author: Sergey Shinderuk <s.shinderuk@postgrespro.ru>
Discussion: https://postgr.es/m/8db5374d-32e0-6abb-d402-40762511eff2@postgrespro.ru
Backpatch-through: v15
Branch
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REL_16_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/f720875a4670f94c6d8acd288a2a62c7cabb92dd
Modified Files
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src/backend/libpq/be-secure-openssl.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)