tree 1443e8741df9aa77cb6410d23f52c97df24fe96b
parent 6072de17cd812daf238092695f26a552d3122f8c
author Steven Moreland <smoreland@google.com> 1595972514 +0000
committer android-build-team Robot <android-build-team-robot@google.com> 1597268705 +0000

libutils: check vsnprintf error

For encoding errors, this function will return a negative value which
causes problems down the line. Check for an error and return. Also,
integer overflows are guarded.

Bug: 161894517
Test: fuzzer test case
Change-Id: Ia85067d4258bde4b875c832d6223db5dd26b8838
Merged-In: Ia85067d4258bde4b875c832d6223db5dd26b8838
(cherry picked from commit ee22384c54d42149491c8b9dbcda0d8c5e88eddc)