Crash in __libc_free

Similar reports
Problem #317
Component
openssh
Last affected version
0:6.6.1p1-31.el7
Executable
/usr/sbin/sshd
Error name
SIGSEGV 11
First occurrence
2021-03-02
Last occurrence
2024-05-08
Unique reports
35
Quality
-23

Statistics

Operating system Unique / Total count
CentOS 7 35 / 1,473,836
Operating system Count
CentOS 7 1,473,836
Architecture Count
x86_64 1,473,836
Related packages Count
glibc 1,481,195
 0:2.17-157.el7_3.1 1,473,836
 0:2.17-157.el7 7,359
bzip2-libs 1,473,836
 0:1.0.6-13.el7 1,473,836
libattr 1,473,836
 0:2.4.46-12.el7 1,473,836
Show more… (30)
elfutils-libs 1,473,836
 0:0.176-4.el7 1,267,978
 0:0.166-2.el7 205,858
systemd-libs 1,473,836
 0:219-30.el7 1,473,836
krb5-libs 1,473,836
 0:1.14.1-26.el7 1,466,477
 0:1.15.1-46.el7 7,359
nss 1,473,836
 0:3.44.0-7.el7_7 1,275,337
 0:3.21.0-17.el7 198,497
 0:3.53.1-3.el7_9 2
elfutils-libelf 1,473,836
 0:0.176-4.el7 1,267,978
 0:0.166-2.el7 205,858
zlib 1,473,836
 0:1.2.7-17.el7 1,466,477
 0:1.2.7-18.el7 7,359
libcap 1,473,836
 0:2.22-8.el7 1,473,836
libpwquality 1,473,836
 0:1.2.3-4.el7 1,473,836
openssl-libs 1,473,836
 1:1.0.2k-19.el7 1,275,337
 1:1.0.1e-60.el7 198,499
audit-libs 1,473,836
 0:2.6.5-3.el7 1,473,836
tcp_wrappers-libs 1,473,836
 0:7.6-77.el7 1,473,836
nss-softokn-freebl 1,473,836
 0:3.44.0-8.el7_7 1,275,337
 0:3.16.2.3-14.4.el7 198,497
 0:3.53.1-6.el7_9 2
nspr 1,473,836
 0:4.21.0-1.el7 1,275,337
 0:4.11.0-1.el7_2 198,497
 0:4.25.0-2.el7_9 2
fipscheck-lib 1,473,836
 0:1.4.1-6.el7 1,267,978
 0:1.4.1-5.el7 205,858
pam 1,473,836
 0:1.1.8-18.el7 1,473,836
xz-libs 1,473,836
 0:5.2.2-1.el7 1,473,836
libcom_err 1,473,836
 0:1.42.9-9.el7 1,466,477
 0:1.42.9-17.el7 7,359
libselinux 1,473,836
 0:2.5-15.el7 1,275,337
 0:2.5-6.el7 198,499
libgcc 1,473,836
 0:4.8.5-39.el7 1,267,978
 0:4.8.5-11.el7 198,499
 0:4.8.5-44.el7 7,359
keyutils-libs 1,473,836
 0:1.5.8-3.el7 1,473,836
nss-util 1,473,836
 0:3.44.0-4.el7_7 1,275,337
 0:3.21.0-2.2.el7_2 198,497
 0:3.53.1-1.el7_9 2
nss-mdns 1,473,836
 0:0.10-12.el7 1,473,836
cracklib 1,473,836
 0:2.9.0-11.el7 1,473,836
pcre 1,473,836
 0:8.32-15.el7_2.1 1,466,477
 0:8.32-17.el7 7,359
cyrus-sasl-lib 1,473,836
 0:2.1.26-20.el7_2 1,473,836
openssh-server 1,473,836
 0:6.6.1p1-31.el7 1,473,836
openldap 1,473,836
 0:2.4.40-13.el7 1,473,836
libcap-ng 1,473,836
 0:0.7.5-4.el7 1,473,836
sssd-client 570,787
 0:1.14.0-43.el7 570,787
gssproxy 198,497
 0:0.4.1-13.el7 198,497

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
__libc_free
/usr/lib64/libc-2.17.so 0x803ac
Build id: 8b2c421716985b927aa0caf2a05d0b1f452367f7 		-
2
/usr/lib64/security/pam_captcha.so 0x1866
Build id: 70ae051f39761fccbd4838558c5003a1c4ae45d3 		-
3
pam_sm_authenticate
/usr/lib64/security/pam_captcha.so 0x14e8
Build id: 70ae051f39761fccbd4838558c5003a1c4ae45d3 		-
4
_pam_dispatch
/usr/lib64/libpam.so.0.83.1 0x2f1a
Build id: f1de429760c4006800903a28c284eae7b27e9ca4 		-
5
pam_authenticate
/usr/lib64/libpam.so.0.83.1 0x27e0
Build id: f1de429760c4006800903a28c284eae7b27e9ca4 		-
6
sshpam_auth_passwd
/usr/sbin/sshd 0x388b8
Build id: 226cfe1b49635d83aa891b4fb29344cdb4b0d4b5 		-
7
auth_password
/usr/sbin/sshd 0x1245b
Build id: 226cfe1b49635d83aa891b4fb29344cdb4b0d4b5 		-
8
mm_answer_authpassword
/usr/sbin/sshd 0x2912a
Build id: 226cfe1b49635d83aa891b4fb29344cdb4b0d4b5 		-
9
monitor_read
/usr/sbin/sshd 0x2c749
Build id: 226cfe1b49635d83aa891b4fb29344cdb4b0d4b5 		-
10
monitor_child_preauth
/usr/sbin/sshd 0x2d767
Build id: 226cfe1b49635d83aa891b4fb29344cdb4b0d4b5 		-
11
main
/usr/sbin/sshd 0xf7d4
Build id: 226cfe1b49635d83aa891b4fb29344cdb4b0d4b5 		-