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Set MBEDTLS_SSL_OUT_CONTENT_LEN to a smaller value to avoid client side record overflow #294

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merged 1 commit into from
Jul 12, 2023
Merged

Set MBEDTLS_SSL_OUT_CONTENT_LEN to a smaller value to avoid client side record overflow #294

merged 1 commit into from
Jul 12, 2023

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Taowyoo
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@Taowyoo Taowyoo commented Jul 11, 2023 •
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In some cases, mbedlts will send a tls record with record length > 2^14 which breaks the rfc, as a result trigger client's record overflow error. This PR is a temporary fix for it

@Taowyoo Taowyoo added the bug label Jul 11, 2023
@Taowyoo Taowyoo self-assigned this Jul 11, 2023
@Taowyoo Taowyoo linked an issue Jul 11, 2023 that may be closed by this pull request
[mbedtls3] mbedlts would breaks the record size limit when sending big record #293
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@Taowyoo Taowyoo force-pushed the yx/ssl_out_content_length branch from a3c4d52 to aeda041 Compare July 11, 2023 23:10
arai-fortanix
arai-fortanix reviewed Jul 11, 2023
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Can you please explain how this fixes the issue? Does mbedtls already support MBEDTLS_SSL_OUT_OUT_CONTENT_LEN if it's set?

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Taowyoo commented Jul 11, 2023

Hi @arai-fortanix , yes, it's provide by mbedtls, originally we did not set it and it was configured to default value of 2^14

@Taowyoo Taowyoo force-pushed the yx/ssl_out_content_length branch from aeda041 to cb645ad Compare July 11, 2023 23:56
@Taowyoo Taowyoo enabled auto-merge July 12, 2023 00:08
@Taowyoo Taowyoo added this pull request to the merge queue Jul 12, 2023
Merged via the queue into master with commit b533128 Jul 12, 2023
@jethrogb jethrogb mentioned this pull request Jul 12, 2023
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@Taowyoo Taowyoo deleted the yx/ssl_out_content_length branch October 20, 2023 16:25
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@arai-fortanix arai-fortanix arai-fortanix approved these changes

@jethrogb jethrogb Awaiting requested review from jethrogb

@mzohreva mzohreva Awaiting requested review from mzohreva

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[mbedtls3] mbedlts would breaks the record size limit when sending big record
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@Taowyoo @arai-fortanix