New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 699835 link

Starred by 3 users

Issue metadata

Status: Verified
Owner:
Email to this user bounced
Closed: Apr 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



Sign in to add a comment

Integer-overflow in SkIRect::width

Project Member Reported by ClusterFuzz, Mar 9 2017

Issue description

Cc: mtklein@chromium.org
Components: Internals>Skia
Labels: Test-Predator-Correct-CLs M-59
Owner: reed@chromium.org
Status: Assigned (was: Untriaged)
Possible suspect from the findit CL.
https://skia.googlesource.com/skia.git/+/139e5e08a5d276b8dc988f7dee1b9c0467fcf607
reed@: Could you please take a look into this.
Project Member

Comment 2 by ClusterFuzz, Apr 15 2017

ClusterFuzz has detected this issue as fixed in range 464807:464815.

Detailed report: https://clusterfuzz.com/testcase?key=6577965606633472

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkIRect::width
  SkNoPixelsDevice::resetForNextPicture
  SkCanvas::resetForNextPicture
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=455516:455540
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=464807:464815

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv96gqEtYLa9JgELxFl032kcHX2m72--gB0XWDo7Wr89_x845UKRZ5fAdsJW5Ij-jwj3Kg5HzpczSRY6IIP2lZm0-XXxZbnaN2K3BGJUZoof7WbB_6XoS9t0IQUjT0bIF7e8yeOL_8biHPI4Dd2POp4KarjoPBIO97cfZEa1PEEZtFnp3P2lzMBatiGFTMl-hRxO2uptNIqbgkE5Z3Tr52QEky52iRW-tiFw45d8fXPH55MoaaB8uYYSySMX8U4etufBvC2acel-UGTiANk2sKMMWKTQ2Rj30vXfu2K2ISUDX8u4Jc6PW2YQM3Qr1KR_VKomLPqVAKgVq5q7B8U4ny2xylFnag3ax0dvRLxjx8snzp27qezI?testcase_id=6577965606633472


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 3 by ClusterFuzz, Apr 15 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6577965606633472 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Sign in to add a comment