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Lower `CJSON_NESTING_LIMIT` from upstream default 1000 to 64 via
`SWITCH_AM_CFLAGS` / `SWITCH_AM_CXXFLAGS`. The mutually recursive
`parse_value`/`parse_array`/`parse_object` chain in cJSON consumes
~2 stack frames per nesting level, which can overflow worker
threads running on `SWITCH_THREAD_STACKSIZE` (240 KB).
This commit is contained in:
Dmitry Verenitsin
2026-05-27 00:27:05 +05:00
committed by GitHub
parent 74d320834b
commit 02ac36bb11
1 changed files with 5 additions and 0 deletions
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configure.ac
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@@ -308,6 +308,11 @@ SWITCH_AM_CXXFLAGS="-I${switch_srcdir}/src/include -I${switch_builddir}/src/incl
SWITCH_AM_CPPFLAGS="-I${switch_srcdir}/src/include -I${switch_builddir}/src/include -I${switch_srcdir}/libs/libteletone/src"
SWITCH_AM_LDFLAGS="-lm"
# Cap cJSON parser recursion depth. Default upstream limit (1000) can overflow
# small thread stacks; both vendored cJSON copies (src/ and libs/esl/) honor this.
APR_ADDTO(SWITCH_AM_CFLAGS, [-DCJSON_NESTING_LIMIT=64])
APR_ADDTO(SWITCH_AM_CXXFLAGS, [-DCJSON_NESTING_LIMIT=64])
#set SOLINK variable based on compiler and host
if test "x${ax_cv_c_compiler_vendor}" = "xsun" ; then
SOLINK="-Bdynamic -dy -G"