unittest segaulting with musl

while trying to package uftrace for alpine, got following segfault: running in podman:
$ podman run --cap-add CAP_SYS_PTRACE  -v $PWD:/uftrace -w /uftrace --rm -it alpine:3.14
/uftrace # apk add -q --no-progress --no-cache elfutils-dev python3-dev ncurses-dev pkgconf luajit-dev capstone-dev libexecinfo-dev linux-headers musl-dev bash make gcc g++ libexecinfo-dev python2 gdb musl-dbg
/uftrace # ./configure --prefix=/usr --ldflags="-lexecinfo"
uftrace detected system features:
...         prefix: /usr
...         libelf: [ on  ] - more flexible ELF data handling
...          libdw: [ on  ] - DWARF debug info support
...      libpython: [ on  ] - python scripting support
...      libluajit: [ on  ] - luajit scripting support
...    libncursesw: [ on  ] - TUI support
...   cxa_demangle: [ on  ] - full demangler support with libstdc++
...     perf_event: [ on  ] - perf (PMU) event support
...       schedule: [ on  ] - scheduler event support
...       capstone: [ on  ] - full dynamic tracing support
/uftrace # gdb tests/unittest -ex "r" -ex "bt" -ex "c" -ex "q"
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Reading symbols from tests/unittest...
Starting program: /uftrace/tests/unittest 
warning: Error disabling address space randomization: Operation not permitted

Program received signal SIGSEGV, Segmentation fault.
0x000055555556ca98 in sort_tests (tc1=<optimized out>, tc2=0x7ffff71e00b0) at unittest.c:164
164             if (!strcmp(test1->name, "unittest_framework"))
#0  0x000055555556ca98 in sort_tests (tc1=<optimized out>, tc2=0x7ffff71e00b0) at unittest.c:164
#1  0x00007ffff7fb6522 in sift (head=<optimized out>, head@entry=0x7ffff71e00d0 "Z\363\377\367\377\177", width=width@entry=16, cmp=cmp@entry=0x55555556ca80 <sort_tests>, pshift=pshift@entry=2, lp=lp@entry=0x7fffffffe7f0)
    at src/stdlib/qsort.c:102
#2  0x00007ffff7fb67af in qsort (base=base@entry=0x7ffff71e0060, nel=nel@entry=74, width=width@entry=16, cmp=cmp@entry=0x55555556ca80 <sort_tests>) at src/stdlib/qsort.c:176
#3  0x000055555556c3a0 in setup_unit_test (test_num=<synthetic pointer>, test_cases=<synthetic pointer>) at unittest.c:227
#4  main (argc=1, argv=0x7fffffffed48) at unittest.c:279
Continuing.

Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
namhyung / uftrace

unittest segaulting with musl #1299
