investigate flaky test-tls-enable-trace-cli #27636

Trott · 2019-05-10T03:43:13Z

00:06:45 not ok 1842 parallel/test-tls-enable-trace-cli # TODO : Fix flaky test
00:06:45   ---
00:06:45   duration_ms: 0.270
00:06:45   severity: flaky
00:06:45   exitcode: 1
00:06:45   stack: |-
00:06:45     (node:8990) Warning: Enabling --trace-tls can expose sensitive data in the resulting log.
00:06:45     Sent Record
00:06:45     Header:
00:06:45       Version = TLS 1.0 (0x301)
00:06:45       Content Type = Handshake (22)
00:06:45       Length = 340
00:06:45         ClientHello, Length=336
00:06:45           client_version=0x303 (TLS 1.2)
00:06:45           Random:
00:06:45             gmt_unix_time=0x306CB443
00:06:45             random_bytes (len=28): E4125F67C270656192CEF08FFD456C6A103C8B8E3273470B634942AF
00:06:45           session_id (len=32): 0631BBD4779E3397C6B1A74580BC1EF1A37FAF7FAE6618956EF810EEFCDED5B0
00:06:45           cipher_suites (len=118)
00:06:45             {0x13, 0x02} TLS_AES_256_GCM_SHA384
00:06:45             {0x13, 0x03} TLS_CHACHA20_POLY1305_SHA256
00:06:45             {0x13, 0x01} TLS_AES_128_GCM_SHA256
00:06:45             {0xC0, 0x2F} TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
00:06:45             {0xC0, 0x2B} TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
00:06:45             {0xC0, 0x30} TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
00:06:45             {0xC0, 0x2C} TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
00:06:45             {0x00, 0x9E} TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
00:06:45             {0xC0, 0x27} TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
00:06:45             {0x00, 0x67} TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
00:06:45             {0xC0, 0x28} TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
00:06:45             {0x00, 0x6B} TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
00:06:45             {0x00, 0xA3} TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
00:06:45             {0x00, 0x9F} TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
00:06:45             {0xCC, 0xA9} TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
00:06:45             {0xCC, 0xA8} TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
00:06:45             {0xCC, 0xAA} TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
00:06:45             [Error: 140237417195328:error:09072007:PEM routines:PEM_write_bio:BUF lib:../deps/openssl/openssl/crypto/pem/pem_lib.c:658:
00:06:45     140237417195328:error:09072007:PEM routines:PEM_write_bio:BUF lib:../deps/openssl/openssl/crypto/pem/pem_lib.c:658:
00:06:45     ] {
00:06:45       library: 'PEM routines',
00:06:45       function: 'PEM_write_bio',
00:06:45       reason: 'BUF lib',
00:06:45       code: 'ERR_SSL_BUF_LIB'
00:06:45     }
00:06:45     undefined
00:06:45     BUF lib
00:06:45     Sent Record
00:06:45     Header:
00:06:45       Version = TLS 1.2 (0x303)
00:06:45       Content Type = ApplicationData (23)
00:06:45       Length = 19
00:06:45       Inner Content Type = Alert (21)
00:06:45         Level=warning(1), description=close notify(0)
00:06:45     
00:06:45     
00:06:45     (node:8979) internal/test/binding: These APIs are for internal testing only. Do not use them.
00:06:45     assert.js:362
00:06:45         throw err;
00:06:45         ^
00:06:45     
00:06:45     AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:
00:06:45     
00:06:45       assert(/Received Record/.test(stderr))
00:06:45     
00:06:45         at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/debian9-64/test/parallel/test-tls-enable-trace-cli.js:39:3)
00:06:45         at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/debian9-64/test/common/index.js:373:15)
00:06:45         at ChildProcess.emit (events.js:196:13)
00:06:45         at maybeClose (internal/child_process.js:1011:16)
00:06:45         at Process.ChildProcess._handle.onexit (internal/child_process.js:268:5)

Trott · 2019-05-10T03:45:22Z

This happens on Linux frequently, but I can't seem to replicate it on macOS.

Trott · 2019-05-10T03:47:10Z

/ping @cjihrig (because I'm pretty sure they've looked at this and might have data/info to add?)

cjihrig · 2019-05-10T13:09:44Z

Not much to add. I also can't replicate it on macOS - I've run it tens of thousands of times at this point 😄

sam-github · 2019-05-10T15:20:47Z

I'm running it in a loop on my linux laptop to see if I can repro.

sam-github · 2019-05-10T15:24:59Z

I got a failure within a couple minutes of continuous running, I'll try to fix this, but might not have time until Monday.

addaleax · 2019-05-10T15:27:15Z

It’s a bit easier to reproduce when running under valgrind (which kinda points to a timing race condition), but that might interfere with debugging. (edit: not the child process, only the test itself)

addaleax · 2019-05-10T15:46:46Z

Actually, this makes the bug show up pretty reliably for me:

diff --git a/test/parallel/test-tls-enable-trace-cli.js b/test/parallel/test-tls-enable-trace-cli.js
index 5b7189af702d..ace9e6710ba9 100644
--- a/test/parallel/test-tls-enable-trace-cli.js
+++ b/test/parallel/test-tls-enable-trace-cli.js
@@ -40,6 +40,7 @@ child.on('exit', common.mustCall((code) => {
 }));
 
 function test() {
+  process.stderr.write('a'.repeat(1024*1024) + '\n')
   const {
     connect, keys
   } = require(fixtures.path('tls-connect'));

I think the reason might be that stderr refers to a fd that Node has made non-blocking, and which makes OpenSSL’s fwrite() calls fail if the output pipe is already full.

addaleax · 2019-05-10T16:08:09Z

Yeah, I think we can’t use BIO_new_fp(). (The call also currently leaks memory because we don’t destroy the BIO instance, but that seems like a secondary issue.)

sam-github · 2019-05-10T16:20:18Z

Thanks for diagnosing this.

I'm OK with messages getting dropped if the pipe is overrun, because in my mind, this kind of logging is "best effort", similar to process._rawDebug's handling of failed fprintfs to stderr, and to Debug().

I think I can fix the leak by storing the bio in the context, and cleaning up in the destructor, and change the test to assert on something that will be seen in the first records logged, so that overflow won't fail the test.

@cjihrig @addaleax Would that be OK, or do you have another suggestion?

addaleax · 2019-05-10T16:23:43Z

@sam-github I think that is okay, yes.

That being said, I think somebody already requested the ability to print the output to a non-stderr location, so maybe making this more flexible by providing a custom BIO instance would be a good idea anyway?

cjihrig · 2019-05-10T16:27:06Z

Would that be OK, or do you have another suggestion?

It's not ideal, but I think it's better than not having this functionality. Ideally, this feature is used to diagnose a bad connection, and not turned on in production to log the details of thousands of connections.

sam-github · 2019-05-10T16:59:41Z

Hopelessly verbose in production. Mostly, I expect it to be used just to debug handshake problems, to answer the question of why node can't agree with its peer on a shared cipher suite.

I didn't see the request for non-stderr location, where was it? If requested location is a specific file, then still wouldn't need a custom BIO, I'd just use a file BIO. Also, a custom BIO would still have the problem of what do when write fails with EAGAIN, what would you suggest? Would you want it to use uv_write, buffering all the written data in memory until it drains, with no backpressure? I'm not sure that's better than dropping.

I have a longer-term idea of making enableTrace take an optional js function as an arg instead of just boolean, so that the message can be delivered to js code and it can do whatever it wants with it, but I think the current impl, while being a bit rigid, satisfies the common use cases.

addaleax · 2019-05-10T17:06:44Z

@sam-github Not saying I have it all figured out :)

I didn't see the request for non-stderr location, where was it?

I can’t find it rn – it might be mixing it up with something else that unconditionally printed to stderr?

I have a longer-term idea of making enableTrace take an optional js function as an arg instead of just boolean, so that the message can be delivered to js code and it can do whatever it wants with it, but I think the current impl, while being a bit rigid, satisfies the common use cases.

I think this would be best. And if we can use that to replace the current solution by using e.g. process.stderr.write(), I think that’s good, even without backpressure handling.

sam-github · 2019-05-10T17:09:06Z

Yes, pushing to js space is my long term goal, but enough people were needing it I thought it useful getting something out fast.

sam-github · 2019-05-23T17:46:22Z

I think there were two issues here, one is that when test output to stderr was dropped on buffer overflow, the test would fail. The other, less common, was that SSL_trace() call's BIO_ and PEM_ routines that fail on write error, and leave an error on the stack. Depending on from where SSL_trace() is called from inside OpenSSL, leaving that error on the stack can cause it to appear that a fatal error has occurred, and the handshake fails.

The solution to this is to wrap SSL_trace() and ensure it leaves the error stack unperturbed. For posterity, the situation is instantly reproduced by removing the MarkPopErrorOnReturn in trace() in my (upcoming!) PR, and faking an error by calling BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD); after the SSL_trace() call.

sam-github · 2019-05-23T17:58:57Z

See #27841

Fixes: nodejs#27636 (comment)

refack · 2019-05-26T14:50:53Z

Still open, pending #27841

Calls to TLS_trace might leave errors on the SSL error stack, which then get reported as SSL errors instead of being ignored. Wrap TLS_trace to keep the error stack unchanged. Fixes: nodejs#27636

Fixes: #27636 (comment) PR-URL: #27834 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Rich Trott <[email protected]>

Trott · 2019-05-30T11:43:02Z

I'm pretty sure this one is still flaky. (And if it's not, then it should be removed from parallel.status.) Re-opening.

Calls to TLS_trace might leave errors on the SSL error stack, which then get reported as SSL errors instead of being ignored. Wrap TLS_trace to keep the error stack unchanged. Fixes: #27636 PR-URL: #27841 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Beth Griggs <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Refael Ackermann <[email protected]>

sam-github · 2019-05-31T08:14:27Z

@Trott Is it flaky on a particular platform? I'm not sure where to look next.

Trott · 2019-06-01T10:19:21Z

@Trott Is it flaky on a particular platform? I'm not sure where to look next.

Most recent one I'm aware of is https://ci.nodejs.org/job/node-test-commit-linux/nodes=ubuntu1804-64/27985/console.

test-digitalocean-ubuntu1804-x64-1

05:17:00 not ok 1906 parallel/test-tls-enable-trace-cli # TODO : Fix flaky test
05:17:00   ---
05:17:00   duration_ms: 0.176
05:17:00   severity: flaky
05:17:00   exitcode: 1
05:17:00   stack: |-
05:17:00     (node:24591) Warning: Enabling --trace-tls can expose sensitive data in the resulting log.
05:17:00     Sent Record
05:17:00     Header:
05:17:00       Version = TLS 1.0 (0x301)
05:17:00       Content Type = Handshake (22)
05:17:00       Length = 340
05:17:00         ClientHello, Length=336
05:17:00           client_version=0x303 (TLS 1.2)
05:17:00           Random:
05:17:00             gmt_unix_time=0xE8890755
05:17:00             random_bytes (len=28): 975E4A134E97A9B9447695FF37A02EA32131C5F18AFE04A136773F4F
05:17:00           session_id (len=32): 66B25369EB5CAB03C129B30305D2704C22EE4E6B6838A438C27DBB4C00A98C5B
05:17:00           cipher_suites (len=118)
05:17:00             {0x13, 0x02} TLS_AES_256_GCM_SHA384
05:17:00             {0x13, 0x03} TLS_CHACHA20_POLY1305_SHA256
05:17:00             {0x13, 0x01} TLS_AES_128_GCM_SHA256
05:17:00             {0xC0, 0x2F} TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
05:17:00             {0xC0, 0x2B} TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
05:17:00             {0xC0, 0x30} TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
05:17:00             {0xC0, 0x2C} TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
05:17:00             {0x00, 0x9E} TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
05:17:00             {0xC0, 0x27} TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
05:17:00             {0x00, 0x67} TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
05:17:00             {0xC0, 0x28} TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
05:17:00             {0x00, 0x6B} TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
05:17:00             {0x00, 0xA3} TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
05:17:00             {0x00, 0x9F} TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
05:17:00             {0xCC, 0xA9} TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
05:17:00             {0xCC, 0xA8} TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
05:17:00             {0xCC, 0xAA} TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
05:17:00             {0xC0, 0xAF} TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
05:17:00             {0xC0, 0xAD} TLS_ECDHE_ECDSA_WITH_AES_256_CCM
05:17:00             {0xC0, 0xA3} TLS_DHE_RSA_WITH_AES_256_CCM_8
05:17:00             {0xC0, 0x9F} TLS_DHE_RSA_WITH_AES_256_CCM
05:17:00             {0xC0, 0x5D} TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384
05:17:00             {0xC0, 0x61} TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384
05:17:00             {0xC0, 0x57} TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384
05:17:00             {0xC0, 0x53} TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384
05:17:00             {0x00, 0xA2} TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
05:17:00             {0xC0, 0xAE} TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
05:17:00             {0xC0, 0xAC} TLS_ECDHE_ECDSA_WITH_AES_128_CCM
05:17:00             {0xC0, 0xA2} TLS_DHE_RSA_WITH_AES_128_CCM_8
05:17:00             {0xC0, 0x9E} TLS_DHE_RSA_WITH_AES_128_CCM
05:17:00             {0xC0, 0x5C} TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256
05:17:00             {0xC0, 0x60} TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256
05:17:00             {0xC0, 0x56} TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256
05:17:00             {0xC0, 0x52} TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256
05:17:00             {0xC0, 0x24} TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
05:17:00             {0x00, 0x6A} TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
05:17:00             {0xC0, 0x23} TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
05:17:00             {0x00, 0x40} TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
05:17:00             {0xC0, 0x0A} TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
05:17:00             {0xC0, 0x14} TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
05:17:00             {0x00, 0x39} TLS_DHE_RSA_WITH_AES_256_CBC_SHA
05:17:00             {0x00, 0x38} TLS_DHE_DSS_WITH_AES_256_CBC_SHA
05:17:00             {0xC0, 0x09} TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
05:17:00             {0xC0, 0x13} TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
05:17:00             {0x00, 0x33} TLS_DHE_RSA_WITH_AES_128_CBC_SHA
05:17:00             {0x00, 0x32} TLS_DHE_DSS_WITH_AES_128_CBC_SHA
05:17:00             {0x00, 0x9D} TLS_RSA_WITH_AES_256_GCM_SHA384
05:17:00             {0xC0, 0xA1} TLS_RSA_WITH_AES_256_CCM_8
05:17:00             {0xC0, 0x9D} TLS_RSA_WITH_AES_256_CCM
05:17:00             {0xC0, 0x51} TLS_RSA_WITH_ARIA_256_GCM_SHA384
05:17:00             {0x00, 0x9C} TLS_RSA_WITH_AES_128_GCM_SHA256
05:17:00             {0xC0, 0xA0} TLS_RSA_WITH_AES_128_CCM_8
05:17:00             {0xC0, 0x9C} TLS_RSA_WITH_AES_128_CCM
05:17:00             {0xC0, 0x50} TLS_RSA_WITH_ARIA_128_GCM_SHA256
05:17:00             {0x00, 0x3D} TLS_RSA_WITH_AES_256_CBC_SHA256
05:17:00        
05:17:00     (node:24580) internal/test/binding: These APIs are for internal testing only. Do not use them.
05:17:00     assert.js:362
05:17:00         throw err;
05:17:00         ^
05:17:00     
05:17:00     AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:
05:17:00     
05:17:00       assert(/Received Record/.test(stderr))
05:17:00     
05:17:00         at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/ubuntu1804-64/test/parallel/test-tls-enable-trace-cli.js:40:3)
05:17:00         at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/ubuntu1804-64/test/common/index.js:374:15)
05:17:00         at ChildProcess.emit (events.js:200:13)
05:17:00         at maybeClose (internal/child_process.js:1028:16)
05:17:00         at Process.ChildProcess._handle.onexit (internal/child_process.js:283:5) {
05:17:00       generatedMessage: true,
05:17:00       code: 'ERR_ASSERTION',
05:17:00       actual: false,
05:17:00       expected: true,
05:17:00       operator: '=='
05:17:00     }
05:17:00   ...

cjihrig · 2019-06-01T13:42:31Z

Most recent one I'm aware of is...

That's the V8 7.5 update, which has been a WIP for a while. Any chance it just needs to be rebased?

Closes: nodejs#27636

Trott · 2019-06-01T15:08:14Z

Most recent one I'm aware of is...

That's the V8 7.5 update, which has been a WIP for a while. Any chance it just needs to be rebased?

Could be. #28002 will close this.

Trott · 2019-06-01T15:24:07Z

Most recent one I'm aware of is...

That's the V8 7.5 update, which has been a WIP for a while. Any chance it just needs to be rebased?

Could be. #28002 will close this.

....and....nope.

https://ci.nodejs.org/job/node-test-commit-linux/27996/nodes=centos7-64-gcc6/console

test-rackspace-centos7-x64-1

17:17:36 not ok 1855 parallel/test-tls-enable-trace-cli
17:17:36   ---
17:17:36   duration_ms: 0.359
17:17:36   severity: fail
17:17:36   exitcode: 1
17:17:36   stack: |-
17:17:36     (node:25033) Warning: Enabling --trace-tls can expose sensitive data in the resulting log.
17:17:36     Sent Record
17:17:36     Header:
17:17:36       Version = TLS 1.0 (0x301)
17:17:36       Content Type = Handshake (22)
17:17:36       Length = 340
17:17:36         ClientHello, Length=336
17:17:36           client_version=0x303 (TLS 1.2)
17:17:36           Random:
17:17:36             gmt_unix_time=0x850B1D53
17:17:36             random_bytes (len=28): 1E791588A43E8A2DD12650F8BD9B2C4BF662FC08BDC9141B229E97A1
17:17:36           session_id (len=32): 50F773FFEF6D99494B9768BEABF38C33435DAF896508EDE3B372EDC60F7C93E5
17:17:36           cipher_suites (len=118)
17:17:36             {0x13, 0x02} TLS_AES_256_GCM_SHA384
17:17:36             {0x13, 0x03} TLS_CHACHA20_POLY1305_SHA256
17:17:36             {0x13, 0x01} TLS_AES_128_GCM_SHA256
17:17:36             {0xC0, 0x2F} TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
17:17:36             {0xC0, 0x2B} TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
17:17:36             {0xC0, 0x30} TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
17:17:36             {0xC0, 0x2C} TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
17:17:36             {0x00, 0x9E} TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
17:17:36             {0xC0, 0x27} TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
17:17:36             {0x00, 0x67} TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
17:17:36             {0xC0, 0x28} TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
17:17:36             {0x00, 0x6B} TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
17:17:36             {0x00, 0xA3} TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
17:17:36             {0x00, 0x9F} TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
17:17:36             {0xCC, 0xA9} TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
17:17:36             {0xCC, 0xA8} TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
17:17:36             {0xCC, 0xAA} TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
17:17:36             Sent Record
17:17:36     Header:
17:17:36       Version = TLS 1.2 (0x303)
17:17:36       Content Type = ApplicationData (23)
17:17:36       Length = 19
17:17:36       Inner Content Type = Alert (21)
17:17:36         Level=warning(1), description=close notify(0)
17:17:36     
17:17:36     Sent Record
17:17:36     Header:
17:17:36       Version = TLS 1.2 (0x303)
17:17:36       Content Type = ApplicationData (23)
17:17:36       Length = 266
17:17:36       Inner Content Type = Handshake (22)
17:17:36         NewSessionTicket, Length=245
17:17:36             ticket_lifetime_hint=7200
17:17:36             ticket_age_add=387409500
17:17:36             ticket_nonce (len=8): 0000000000000000
17:17:36             ticket (len=224): F31FCC7D488C5AC48F8DC958CA9A5F5D4C054F135F678859C6DEF999FD47F796F75BF309089D6BD08CCEE0A33BB959E2C2985BAE6B27AD02B73D41A86F63C51435CA38BBE0A30FB4EDC6EFD4D67A3F9030F804B167EC37A9541D630E29E227F4E928C09C4E82CCE1AB755797D3EE8F94A04E0999F76315CE713FBF09CC661CF61F7994CBA5DE152C8039C572BC8CA135112C1B4915CFEF7A9FDAC5D22B4273B6BE5C3AD66D1F6730F5FB68CBFAEFB6B0807E3E65C9A710F3DECD9DFB3EA28609436AF880882DEED50E989B7145CFAB0ACD84154929FF
17:17:36     (node:25022) internal/test/binding: These APIs are for internal testing only. Do not use them.
17:17:36     assert.js:362
17:17:36         throw err;
17:17:36         ^
17:17:36     
17:17:36     AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:
17:17:36     
17:17:36       assert(/Received Record/.test(stderr))
17:17:36     
17:17:36         at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/centos7-64-gcc6/test/parallel/test-tls-enable-trace-cli.js:40:3)
17:17:36         at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/centos7-64-gcc6/test/common/index.js:374:15)
17:17:36         at ChildProcess.emit (events.js:200:13)
17:17:36         at maybeClose (internal/child_process.js:1028:16)
17:17:36         at Process.ChildProcess._handle.onexit (internal/child_process.js:283:5) {
17:17:36       generatedMessage: true,
17:17:36       code: 'ERR_ASSERTION',
17:17:36       actual: false,
17:17:36       expected: true,
17:17:36       operator: '=='
17:17:36     }
17:17:36   ...

addaleax · 2019-06-01T16:27:53Z

I’d be surprised if this issue would have been fully addressed.

The TLS trace data is best-effort, and enough can be dropped from pipe buffers that only the start of the trace is detected. Only assert on the first line of the trace, it should not get dropped, and it's enough to check that trace was enabled via CLI. PR-URL: #28043 Fixes: #27636 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]>

Trott added the flaky-test Issues and PRs related to the tests with unstable failures on the CI. label May 10, 2019

addaleax added the tls Issues and PRs related to the tls subsystem. label May 10, 2019

sam-github mentioned this issue May 23, 2019

tls: destroy trace BIO instead of leaking it #27834

Closed

4 tasks

sam-github mentioned this issue May 23, 2019

tls: trace errors can show up as SSL errors #27841

Closed

4 tasks

sam-github added a commit to sam-github/node that referenced this issue May 24, 2019

tls: destroy trace BIO instead of leaking it

c3c03a0

Fixes: nodejs#27636 (comment)

addaleax closed this as completed in 725a66a May 26, 2019

refack reopened this May 26, 2019

sam-github closed this as completed in b1bd9e3 May 30, 2019

Trott reopened this May 30, 2019

Trott added a commit to Trott/io.js that referenced this issue Jun 1, 2019

test: remove tls-enable-trace-cli from flaky status

4c16947

Closes: nodejs#27636

Trott mentioned this issue Jun 1, 2019

test: remove tls-enable-trace-cli from flaky status #28002

Closed

2 tasks

sam-github mentioned this issue Jun 3, 2019

test: only assert on first lines of TLS trace #28043

Closed

4 tasks

sam-github closed this as completed in 2976bbd Jun 6, 2019

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investigate flaky test-tls-enable-trace-cli #27636

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