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Posted to reviews@impala.apache.org by "Jim Apple (Code Review)" <ge...@cloudera.org> on 2018/11/18 03:22:15 UTC

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Jim Apple has uploaded this change for review. ( http://gerrit.cloudera.org:8080/11950


Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................

IMPALA-5031: method calls on NULL are not UBSAN-clean

According to [expr.post] in the C++14 standard, a call to a member
function like a->b() is interpreted as (a->b)(). In other words, the
dereferencing is done separately from the call. This makes calling
member functions on nullptr undefined behavior, since the dereference
invokes undefined behavior.

Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
---
M be/src/udf/udf.cc
1 file changed, 1 insertion(+), 3 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/50/11950/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 1
Gerrit-Owner: Jim Apple <jb...@apache.org>

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Posted by "Impala Public Jenkins (Code Review)" <ge...@cloudera.org>.
Impala Public Jenkins has posted comments on this change. ( http://gerrit.cloudera.org:8080/11950 )

Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................


Patch Set 2:

Build started: https://jenkins.impala.io/job/gerrit-verify-dryrun/3475/ DRY_RUN=false


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 2
Gerrit-Owner: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
Gerrit-Comment-Date: Mon, 19 Nov 2018 18:55:47 +0000
Gerrit-HasComments: No

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Posted by "Impala Public Jenkins (Code Review)" <ge...@cloudera.org>.
Impala Public Jenkins has submitted this change and it was merged. ( http://gerrit.cloudera.org:8080/11950 )

Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................

IMPALA-5031: method calls on NULL are not UBSAN-clean

According to [expr.post] in the C++14 standard, a call to a member
function like a->b() is interpreted as (a->b)(). In other words, the
dereferencing is done separately from the call. This makes calling
member functions on nullptr undefined behavior, since the dereference
invokes undefined behavior.

Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Reviewed-on: http://gerrit.cloudera.org:8080/11950
Reviewed-by: Jim Apple <jb...@apache.org>
Tested-by: Impala Public Jenkins <im...@cloudera.com>
---
M be/src/udf/udf.cc
1 file changed, 1 insertion(+), 3 deletions(-)

Approvals:
  Jim Apple: Looks good to me, approved
  Impala Public Jenkins: Verified

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To view, visit http://gerrit.cloudera.org:8080/11950
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 3
Gerrit-Owner: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Posted by "Lars Volker (Code Review)" <ge...@cloudera.org>.
Lars Volker has posted comments on this change. ( http://gerrit.cloudera.org:8080/11950 )

Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................


Patch Set 1: Code-Review+2

Thanks for fixing this!


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 1
Gerrit-Owner: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
Gerrit-Comment-Date: Mon, 19 Nov 2018 18:54:20 +0000
Gerrit-HasComments: No

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Posted by "Jim Apple (Code Review)" <ge...@cloudera.org>.
Jim Apple has posted comments on this change. ( http://gerrit.cloudera.org:8080/11950 )

Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................


Patch Set 2: Code-Review+2

carry Lars's


-- 
To view, visit http://gerrit.cloudera.org:8080/11950
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 2
Gerrit-Owner: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
Gerrit-Comment-Date: Mon, 19 Nov 2018 18:55:39 +0000
Gerrit-HasComments: No

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Posted by "Impala Public Jenkins (Code Review)" <ge...@cloudera.org>.
Impala Public Jenkins has posted comments on this change. ( http://gerrit.cloudera.org:8080/11950 )

Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................


Patch Set 1:

Build Successful 

https://jenkins.impala.io/job/gerrit-code-review-checks/1391/ : Initial code review checks passed. Use gerrit-verify-dryrun-external or gerrit-verify-dryrun to run full precommit tests.


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To view, visit http://gerrit.cloudera.org:8080/11950
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 1
Gerrit-Owner: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Comment-Date: Sun, 18 Nov 2018 03:53:11 +0000
Gerrit-HasComments: No

[Impala-ASF-CR] IMPALA-5031: method calls on NULL are not UBSAN-clean

Posted by "Impala Public Jenkins (Code Review)" <ge...@cloudera.org>.
Impala Public Jenkins has posted comments on this change. ( http://gerrit.cloudera.org:8080/11950 )

Change subject: IMPALA-5031: method calls on NULL are not UBSAN-clean
......................................................................


Patch Set 2: Verified+1


-- 
To view, visit http://gerrit.cloudera.org:8080/11950
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I8b38cb1ebba02fc163534ffcc95e4ebe41cbb115
Gerrit-Change-Number: 11950
Gerrit-PatchSet: 2
Gerrit-Owner: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Jim Apple <jb...@apache.org>
Gerrit-Reviewer: Lars Volker <lv...@cloudera.com>
Gerrit-Comment-Date: Mon, 19 Nov 2018 23:11:39 +0000
Gerrit-HasComments: No