Segmentation Fault On Broken Connections From TLS Security Failure
Closed this issue · 3 comments
hawkinsw commented
As reported by @rjmcmahon:
Configuration: Version: 1
Small URL: https://10.19.87.10:4043/small
Large URL: https://10.19.87.10:4043/large
Upload URL: https://10.19.87.10:4043/slurp
Endpoint:
Test will end earlier than 2022-04-01 12:07:48.245840972 -0700 PDT m=+20.000768352
04-01-2022 19:07:28 UTC Go Responsiveness to [10.19.87.10:4043](http://10.19.87.10:4043/)...
Timeout expected to end at 2022-04-01 12:07:48.245840972 -0700 PDT m=+20.000768352
Started a load-generating upload (id: 1).
Started a load-generating upload (id: 2).
Started a load-generating upload (id: 3).
Started a load-generating upload (id: 4).
upload: Sleeping until 2022-04-01 12:07:29.259440488 -0700 PDT m=+1.014367975
Started a load-generating download (id: 5).
Started a load-generating download (id: 6).
Started a load-generating download (id: 7).
Started a load-generating download (id: 8).
download: Sleeping until 2022-04-01 12:07:29.261157803 -0700 PDT m=+1.016085356
GetConn host port for 8: [10.19.87.10:4043](http://10.19.87.10:4043/)
GetConn host port for 7: [10.19.87.10:4043](http://10.19.87.10:4043/)
GetConn host port for 5: [10.19.87.10:4043](http://10.19.87.10:4043/)
TCP Start of 8: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/)
TCP Start of 7: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/)
GetConn host port for 6: [10.19.87.10:4043](http://10.19.87.10:4043/)
TCP Start of 6: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/)
TCP Done for 8: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/) (<nil>)
TCP Done for 7: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/) (<nil>)
TCP Done for 6: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/) (<nil>)
TCP Start of 5: tcp: [10.19.87.10:4043](http://10.19.87.10:4043/)
TCP Done for 5: tcp: 10.19.87.10:4043 (<nil>)
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x6a2495]
goroutine 28 [running]:
[github.com/network-quality/goresponsiveness/lgc.(*LoadGeneratingConnectionUpload).doUpload(0xc0000c27c0](http://github.com/network-quality/goresponsiveness/lgc.(*LoadGeneratingConnectionUpload).doUpload(0xc0000c27c0), 0x7967b8, 0xc0000c2400, 0x1)
/usr/local/src/RPM/goresponsiveness/lgc/lgc.go:318 +0xd5
created by [github.com/network-quality/goresponsiveness/lgc.(*LoadGeneratingConnectionUpload).Start](http://github.com/network-quality/goresponsiveness/lgc.(*LoadGeneratingConnectionUpload).Start)
/usr/local/src/RPM/goresponsiveness/lgc/lgc.go:355 +0x125
stephen-soltesz commented
I experienced the same problem today running the reference server (using locally generated certs) with this client. While the /config request sets and honors the InsecureSkipVerify:true setting in the request client, subsequent connections do not.
https://github.com/network-quality/goresponsiveness/blob/main/lgc/lgc.go#L202
https://github.com/network-quality/goresponsiveness/blob/main/lgc/lgc.go#L334
https://github.com/network-quality/goresponsiveness/blob/main/networkQuality.go#L668
Also, for these cases, I believe the root cause of the segfault is missing error checking here:
https://github.com/network-quality/goresponsiveness/blob/main/lgc/lgc.go#L315-L318
hawkinsw commented
Thank you!! Yes, you are absolutely correct! I hastily made a quick fix for
someone and was not thorough! My ${DAY_JOB} is calming down and I hope to
have more time to devote to the client in the next few days! If you are
interested, I'd loving pairing on this with you!
Will
…On Thu, Apr 28, 2022 at 7:22 PM Stephen Soltesz ***@***.***> wrote:
I experienced the same problem today running the reference server with
this client. While the /config request sets and honors the
InsecureSkipVerify:true setting in the request client, subsequent
connections do not.
https://github.com/network-quality/goresponsiveness/blob/main/lgc/lgc.go#L202
https://github.com/network-quality/goresponsiveness/blob/main/lgc/lgc.go#L334
https://github.com/network-quality/goresponsiveness/blob/main/networkQuality.go#L668
Also, for these cases, I believe the root cause of the segfault is missing
error checking here:
https://github.com/network-quality/goresponsiveness/blob/main/lgc/lgc.go#L315-L318
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