[Bug 15216] There is a stack overflower in ash of busybox. Here is asan report.

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=15216

--- Comment #6 from johan.malmstrom.office at gmail.com ---
As far as I can see, John Atas statement in comment 4 & 5 is true. We repeated
the test, with the configuration below (x86_64-buildroot-linux-gnu-gcc-12.3.0):

.config:
CONFIG_FEATURE_SH_MATH_64=y
# CONFIG_FEATURE_SH_MATH_BASE is not set

host:~ # ulimit -c unlimited
host:~ # ash
host:~ # echo ${0::0/0~09J}
Segmentation fault (core dumped)

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