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* [Bug analyzer/114616] New: RFE: show type and possible ranges of size in -Wanalyzer-tainted-size and -Wanalyzer-tainted-allocation-size
@ 2024-04-05 23:06 dmalcolm at gcc dot gnu.org
  0 siblings, 0 replies; only message in thread
From: dmalcolm at gcc dot gnu.org @ 2024-04-05 23:06 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114616

            Bug ID: 114616
           Summary: RFE: show type and possible ranges of size in
                    -Wanalyzer-tainted-size and
                    -Wanalyzer-tainted-allocation-size
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: analyzer
          Assignee: dmalcolm at gcc dot gnu.org
          Reporter: dmalcolm at gcc dot gnu.org
  Target Milestone: ---

It's really helpful when triaging analyzer reports from -Wanalyzer-tainted-size
and -Wanalyzer-tainted-allocation-size to know more about the size in use.

e.g. if it's come from uint8_t then an allocation of that size is unlikely to
be problematic even if it's "unsanitized" (probably should have a param for the
threshold above which we complain).

Probably should add notes/events describing more about the value and the
sanitization/type converstions that happen to it.

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2024-04-05 23:06 [Bug analyzer/114616] New: RFE: show type and possible ranges of size in -Wanalyzer-tainted-size and -Wanalyzer-tainted-allocation-size dmalcolm at gcc dot gnu.org

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