* [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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