Ubuntu
stunnel4 package

  1. Bug #1847275
  2. Comment #15

Comment 15 for bug 1847275

Revision history for this message
Yasunobu Nohara (yasunohara) wrote :

I had same problem on Ubuntu 18.04 host.

stunnel4 -v
[ ] Clients allowed=500
[.] stunnel 5.44 on x86_64-pc-linux-gnu platform
[.] Compiled with OpenSSL 1.1.0g 2 Nov 2017
[.] Running with OpenSSL 1.1.1 11 Sep 2018
[.] Update OpenSSL shared libraries or rebuild stunnel
[.] Threading:PTHREAD Sockets:POLL,IPv6,SYSTEMD TLS:ENGINE,FIPS,OCSP,PSK,SNI Auth:LIBWRAP
[ ] errno: (*__errno_location ())
[!] Invalid configuration file name "-v"
[!] realpath: No such file or directory (2)

I found "Double free attempt" messages before INTERNAL ERROR in the log file.

2019.12.09 21:21:06 LOG5[ui]: Terminated
2019.12.09 21:21:06 LOG2[ui]: Double free attempt: ptr=0x7f48b000e680 alloc=client.c:1398 free#1=client.c:1410 free#2=ssl.c:117
2019.12.09 21:21:06 LOG2[ui]: Double free attempt: ptr=0x7f48ac007610 alloc=client.c:1398 free#1=client.c:1410 free#2=ssl.c:117
INTERNAL ERROR: Bad magic at ssl.c, line 117
-----
2019.12.10 12:26:02 LOG5[ui]: Terminated
2019.12.10 12:26:02 LOG2[ui]: Double free attempt: ptr=0x7f8e3c005480 alloc=../crypto/evp/digest.c:51 free#1=../crypto/evp/digest.c:57 free#2=ssl.c:117
INTERNAL ERROR: Bad magic at ssl.c, line 117