OpenSMTPd crash

[Renaud Allard]

Hello,




It's all described in https://github.com/OpenSMTPD/OpenSMTPD/issues/1183



Note that this domain has bogus DNS records and mail will fail anyway.

habitium.fr mail is handled by 10 _dc-mx.4063971290c7.habitium.fr.
# host _dc-mx.4063971290c7.habitium.fr
_dc-mx.4063971290c7.habitium.fr has address 212.63.111.139
Host _dc-mx.4063971290c7.habitium.fr not found: 3(NXDOMAIN)


Best Regards

I opened a bug report on github for smtpd, but I am not really sure if it's read, so I am also posting it here. Basically, I am able to reliably crash OpenSMTPd by sending a mail to cont...@habitium.fr when either vm.malloc_conf flags S, U or F are set.

smime.p7s
Description: S/MIME Cryptographic Signature