HELLO!
I am working on something like this:
when I input correct cert,it works well.
but now,if i change some chars of the cert,then I input the cert,when connect,the MCU will cause a coredump.
I analyze the coredump file,and the stack ,are:
assert()
vportfree()
rsa_free_wrap()
mbedtls_pk_free()
mbedtls_pk_parse_key()
and my corrent pk cert is:
-----BEGIN RSA PRIVATE KEY-----
MIIEowIBAAKCAQEA8SZr5Py7GsieeUV2evT10TfCw/vbmln7Qxn5zFtM4jBndV7z
4mXx6rUmVqQmfP42lzJioKj7wvadju6N7NyxkxTQQc9MHYEhH1bPgzSaAiFcOWBg
irQi9Dwqj7L+aR4VTg4Bc88DAa+jYgRnE1UalY0b7uc/DYXVa8ne3PsgQxgHMwDx
6gKLUgSos7pODH+j529YgTJc5ibTD69F37Ey/7Voh5quq+lYl/j1ph1DoYrgai9r
Mwcro56fM1uxVpJ3dbEW/Dcy9RMvystjVlELhoW2GtLCBOwfIubHASN3BtR7+5iD
VRN+KfTJhty3xpXgXc2vuUE+GFg6HDtzo3g25QIDAQABAoIBAB9RpZ6iQiya1JYc
cuRKLyjCbK2mZqF3wT24QGyNiQExVyZztAn5wn8Akt+axxLhszZUyWFjQPtTqyfW
jKEwEnHvOJLreM+2JxaaYC4CpWPUcFVVUoSBG68Lp11tWkRNr2epQwAG6TWNWZNP
zhFBMsgsgO24o8Q+Vvb+S0744HpGApM/8qAAH0bVdrOHuLgIaWAzSguRZcXhE+xv
BbpiZ+jyVeYpDHjZrIoQTXhYY86FLvdTRAVRx0P1iF9sRtKcnNqmlxpeUB0/vnha
adTnX1HEWQQU0By9eOCPSPWVHrnIjkK3iMvt7KGxAGHEAu37F5D6UTXyh6XLHJAd
Dbed/tECgYEA+bXiJLASj5No7XQlrDk3MG0BOUNApZerwr65u4E6f9FkG6tg1xYs
g1RpUULxZSDEWRg7neSCP40osm4hVQMa5x/jKlUMhh3BoAiOa/LQ/cCAb9qeAgpg
Ka8u+c8FsaUQD4gkxTRH3IhgyBay8EkTI64EM+CqaVLT2BMd9Psmr10CgYEA9zlX
WaCJm64amFBtDvOv35n9r98NmidXDXGMlQTgHF1OMSEiQgAOJkEGPAvFnjOCEugx
3tLwZlA251fGACS+k5cxgGhDZiDYkgbRLhbQGM685pfa/pUQhPpxXFncUHXs5+if
gRaIVRTzCBO9a9DiI8X46NJqijsrnXnXExy5lSkCgYBy9Uv97d0togRtRMpPJiwF
LDmi/hYV5eRaDGn/K3gd/ezjXBuCCaBGeabelT4Ce3pJNgHEJ73augahVlgcBgjt
nF19UJgqaiqInUfL5IZYO7YlSHTzpYktx4uNz8PkS4RAUkHzU6U9nr9HfkO0oT+h
bmxa4bQyNsJ2OB7TeIgPtQKBgGNIXOL6jKi/l6CZk+KQTI4AmpeZfS3uJJCajDmA
NrxNYExsoQReX1BPhsBwfdFVoCQVqYlxrud3yUTIxBRkrUA6VL/bn02RXUfvguv+
b123ELeOPn1EwdiVdxb+Y3LQmO5dRkkiEmgQvLT+sHBu95IkPBzL+8s9jft05cGg
JItZAoGBAOgBS8HttLXEcCqfhtmy8MoZY49vKGUa3lB372Sc7W5bVYGf5qV/kbPG
wdpZrsDz+exp7GpK1QhfFtLpgDcfRz0dboGjB+NwrXyaueaSNmVcrLihgSDMsxaV
TpuIDgHzI3pasl3Fo6AT028LQBZS8qB4Vh8gF7cvbFBKmKzNsVaJ
-----END RSA PRIVATE KEY-----
my wrong cert is:
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
I think wrong cert should return a error,but not a coredump,I don’t want coredump
the test engineer think this is a big BUG,
can some nice man help me?
please help me avoid the coredump when input a wrong cert,very thanks !