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* [Bug 929] rte_dump_stack() is not safe to call from signal handler
@ 2022-01-27 20:47 bugzilla
  2022-06-24  8:26 ` bugzilla
  0 siblings, 1 reply; 2+ messages in thread
From: bugzilla @ 2022-01-27 20:47 UTC (permalink / raw)
  To: dev

https://bugs.dpdk.org/show_bug.cgi?id=929

            Bug ID: 929
           Summary: rte_dump_stack() is not safe to call from signal
                    handler
           Product: DPDK
           Version: 21.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev@dpdk.org
          Reporter: stephen@networkplumber.org
  Target Milestone: ---

A common scenario is to have a signal handler call rte_dump_stack().
Unfortunately, existing version is not safe in signal handler because it
assumes that malloc pool is not corrupted.

https://www.gnu.org/software/libc/manual/html_node/Backtraces.html

Better alternative is libunwind or libbacktrace

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