Date: Wed, 15 Apr 2020 08:55:12 +1000 From: Andrew Reilly <areilly@bigpond.net.au> To: freebsd-stable@freebsd.org Subject: Re: Curl giving (27) Out of memory error where it didn't before Message-ID: <446EDF4B-E736-4297-A132-C67EEC682785@bigpond.net.au> In-Reply-To: <93AF62DD-3638-4326-BDAC-0054793FAB07@bigpond.net.au> References: <93AF62DD-3638-4326-BDAC-0054793FAB07@bigpond.net.au>
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Bother. Password leaked. Password changed. Thanks for the warning!
Cheers,
Andrew Reilly
M: 0409-824-272
areilly@bigpond.net.au
> On 15 Apr 2020, at 07:35 , Andrew Reilly <areilly@bigpond.net.au> =
wrote:
>=20
> Hi there,
>=20
> I have a cron job that is supposed to email me at a backup email =
account if my ISP ever changes my IP address. It doesn't happen very =
often, but it happened again this morning, and I was disappointed to =
find that the script that does the notification failed.
>=20
> Sending e-mail in this way requires SSL connection to my ISP's mail =
server (smtp.bigpond.com) and authentication, and I was pleased to =
discover, a while back, that curl can handle both of those details, as =
well as sending email. So I use this script (edited to elide passwords =
and addresses):
> email-myself.sh:
> #!/bin/sh
> /usr/local/bin/curl -v -T- --ssl-reqd smtps://smtp.bigpond.com =
--mail-from areilly@bigpond.net.au --mail-rcpt backup_address@me.com =
--mail-auth areilly@bigpond.net.au --user =
areilly@bigpond.net.au:password <<END
> From: Andrew Reilly <areilly@bigpond.net.au>
> To: Andrew Reilly <backup_address@me.com>
> Subject: $1
> Date: $(date -R)
>=20
> $2
> END
>=20
> As I said, previously that has worked perfectly, but today I'm getting =
the following in my logs (thanks to having verbose output turned on):
>=20
> % Total % Received % Xferd Average Speed Time Time Time =
Current
> Dload Upload Total Spent Left =
Speed
> 0 0 0 0 0 0 0 0 --:--:-- 0:00:05 =
--:--:-- 0* Trying 203.36.137.240:465...
> * Connected to smtp.bigpond.com (203.36.137.240) port 465 (#0)
> * successfully set certificate verify locations:
> * CAfile: /usr/local/share/certs/ca-root-nss.crt
> CApath: none
> } [5 bytes data]
> * TLSv1.3 (OUT), TLS handshake, Client hello (1):
> } [512 bytes data]
> * TLSv1.3 (IN), TLS handshake, Server hello (2):
> { [91 bytes data]
> * TLSv1.2 (IN), TLS handshake, Certificate (11):
> { [4836 bytes data]
> * TLSv1.2 (IN), TLS handshake, Server key exchange (12):
> { [333 bytes data]
> * TLSv1.2 (IN), TLS handshake, Server finished (14):
> { [4 bytes data]
> * TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
> } [70 bytes data]
> * TLSv1.2 (OUT), TLS change cipher, Change cipher spec (1):
> } [1 bytes data]
> * TLSv1.2 (OUT), TLS handshake, Finished (20):
> } [16 bytes data]
> * TLSv1.2 (IN), TLS handshake, Finished (20):
> { [16 bytes data]
> * SSL connection using TLSv1.2 / ECDHE-RSA-AES128-GCM-SHA256
> * Server certificate:
> * subject: C=3DAU; ST=3DVictoria; L=3DMelbourne; O=3DTelstra =
Corporation Limited; OU=3DTechnology Product Ownership CH10; =
CN=3Dmail.bigpond.com
> * start date: Jan 23 03:57:06 2020 GMT
> * expire date: Jan 23 04:07:00 2022 GMT
> * subjectAltName: host "smtp.bigpond.com" matched cert's =
"smtp.bigpond.com"
> * issuer: C=3DBM; O=3DQuoVadis Limited; CN=3DQuoVadis Global SSL ICA =
G2
> * SSL certificate verify ok.
> { [5 bytes data]
> < 220 smtp.telstra.com ESMTP Service ready
> } [5 bytes data]
>> EHLO Zen
> { [5 bytes data]
> < 250-smtp.telstra.com
> < 250-8BITMIME
> < 250-PIPELINING
> < 250-HELP
> < 250-AUTH=3DLOGIN
> < 250-AUTH LOGIN PLAIN
> < 250-DELIVERBY 300
> < 250 SIZE 30000000
> } [5 bytes data]
>> AUTH PLAIN
> { [5 bytes data]
> < 334 ?
> } [5 bytes data]
>> AGFyZWlsbHlAYmlncG9uZC5uZXQuYXUARnJhaGFuMHc=3D
> { [5 bytes data]
> < 235 PLAIN authentication successful
> 0 0 0 0 0 0 0 0 --:--:-- 0:00:05 =
--:--:-- 0
> } [5 bytes data]
>> QUIT
> { [5 bytes data]
> < 221 smtp.telstra.com QUIT
> * Closing connection 0
> } [5 bytes data]
> * TLSv1.2 (OUT), TLS alert, close notify (256):
> } [2 bytes data]
> curl: (27) Out of memory
>=20
> That looks to me as though the SSL setup worked fine, then the AUTH =
fine, then the message transfer all fine, and quitting too. So =
everything was fine, but then curl crashed with error 27 "out of =
memory", and I haven't received any messages.
>=20
> The web thinks that the two most likely ways for an out-of-date shared =
library linkage or a not-thread-safe programming bug. So I used =
portmaster -f to rebuild curl and all its dependencies, and it still =
crashes exactly as shown.
>=20
> The computer in question is running: (uname -a)
> FreeBSD Zen.local 12.1-STABLE FreeBSD 12.1-STABLE r359760 GENERIC =
amd64
>=20
> and has 32G of RAM and eight two-thread AMD 1700 cores.
>=20
> Any suggestions?
>=20
> Andrew Reilly
> M: 0409-824-272
> areilly@bigpond.net.au
>=20
>=20
>=20
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