Alexey Serbin has uploaded this change for review. (
http://gerrit.cloudera.org:8080/20558
Change subject: [gutil] fix ASAN warning in CountOnes()
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[gutil] fix ASAN warning in CountOnes()
Running various tests on aarch64 (Graviton3) under ASAN produced
warnings like below:
src/kudu/gutil/bits.h:19:42: runtime error: unsigned integer overflow:
134678536 * 16843009 cannot be represented in type 'unsigned int'
#0 0xffffa1ebd8d4 in Bits::CountOnes(unsigned int)
src/kudu/gutil/bits.h:19:42
#1 0xffffa1ebd830 in Bits::CountOnes64(unsigned long)
src/kudu/gutil/bits.h:30:12
#2 0xffffa1ebd7f8 in Bits::CountOnes64withPopcount(unsigned long)
src/kudu/gutil/bits.h:43:12
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
src/kudu/gutil/bits.h:19:42
This patch addresses the issue.
Change-Id: I47bff62676ee57706d6b5ef841e3891bba5a62fa
---
M src/kudu/gutil/bits.h
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/58/20558/1
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I47bff62676ee57706d6b5ef841e3891bba5a62fa
Gerrit-Change-Number: 20558
Gerrit-PatchSet: 1
Gerrit-Owner: Alexey Serbin <[email protected]>
