Null-dereference READ in blink::EditingIgnoresContent |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5257250810363904 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::EditingIgnoresContent blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::FirstPo blink::TextDirection blink::DirectionOfEnclosingBlockOfAlgorithm<blink::EditingA Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5257250810363904 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Mar 27 2018
Predator could not provide any possible suspects. From the below CL observing some changes related to 'editing' , hence suspecting the same https://chromium.googlesource.com/chromium/src/+log/5830b993a3529bf00e2149afc0c0b3d268d78d36..2b47df6d9d7f4cf3e5ba2a493b8a1e80aebeb3c4?pretty=fuller&n=10000 Suspect CL: https://chromium.googlesource.com/chromium/src/+/bfc75c0a27fff772ed4d96ef40dfd6f127ee29fa lushnikov@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner. Thanks!
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Apr 18 2018
ClusterFuzz has detected this issue as fixed in range 551573:551577. Detailed report: https://clusterfuzz.com/testcase?key=5257250810363904 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::EditingIgnoresContent blink::PositionTemplate<blink::EditingAlgorithm<blink::NodeTraversal> >::FirstPo blink::TextDirection blink::DirectionOfEnclosingBlockOfAlgorithm<blink::EditingA Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=551573:551577 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5257250810363904 See https://github.com/google/clusterfuzz-tools for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Apr 18 2018
ClusterFuzz testcase 5257250810363904 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue. |
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Comment 1 by ClusterFuzz
, Mar 24 2018Labels: Test-Predator-Auto-Components