Crash in __libc_free

Similar reports
Problem #5397
Component
openssh
Last affected version
0:7.4p1-21.el7
Executable
/usr/sbin/sshd
Error name
SIGSEGV 11
First occurrence
2022-11-04
Last occurrence
2026-08-02
Unique reports
46
Quality
-23

Statistics

Operating system Unique / Total count
CentOS 7 46 / 36,713
Operating system Count
CentOS 7 36,713
Architecture Count
x86_64 36,713
Related packages Count
nss-pam-ldapd 36,713
 0:0.8.13-25.el7 36,713
oddjob-mkhomedir 36,713
 0:0.31.5-4.el7 36,713
openssl-libs 36,713
 1:1.0.2k-21.el7_9 21,484
 1:1.0.2k-26.el7_9 14,823
 1:1.0.2k-25.el7_9 406
Show more… (35)
libpwquality 36,713
 0:1.2.3-5.el7 36,713
bzip2-libs 36,713
 0:1.0.6-13.el7 36,713
lz4 36,713
 0:1.8.3-1.el7 36,713
pam 36,713
 0:1.1.8-23.el7 36,713
glibc 36,713
 0:2.17-317.el7 36,713
elfutils-libelf 36,713
 0:0.176-5.el7 36,713
nspr 36,713
 0:4.21.0-1.el7 33,224
 0:4.35.0-1.el7_9 3,489
nss-softokn-freebl 36,713
 0:3.44.0-8.el7_7 33,224
 0:3.90.0-6.el7_9 3,489
libgpg-error 36,713
 0:1.12-3.el7 36,713
cracklib 36,713
 0:2.9.0-11.el7 36,713
krb5-libs 36,713
 0:1.15.1-50.el7 26,156
 0:1.15.1-55.el7_9 10,557
libgcc 36,713
 0:4.8.5-44.el7 36,713
pcre 36,713
 0:8.32-17.el7 36,713
nss-util 36,713
 0:3.44.0-4.el7_7 33,224
 0:3.90.0-1.el7_9 3,489
libcom_err 36,713
 0:1.42.9-19.el7 36,713
libselinux 36,713
 0:2.5-15.el7 36,713
libattr 36,713
 0:2.4.46-13.el7 36,713
nss 36,713
 0:3.44.0-7.el7_7 33,224
 0:3.90.0-2.el7_9 3,489
libcap-ng 36,713
 0:0.7.5-4.el7 36,713
xz-libs 36,713
 0:5.2.2-1.el7 36,713
zlib 36,713
 0:1.2.7-20.el7_9 19,145
 0:1.2.7-19.el7_9 17,568
openssh-server 36,713
 0:7.4p1-21.el7 36,713
cyrus-sasl-lib 36,713
 0:2.1.26-23.el7 33,095
 0:2.1.26-24.el7_9 3,618
dbus-libs 36,713
 1:1.10.24-15.el7 36,713
tcp_wrappers-libs 36,713
 0:7.6-77.el7 36,713
systemd-libs 36,713
 0:219-78.el7 36,713
audit-libs 36,713
 0:2.8.5-4.el7 36,713
fipscheck-lib 36,713
 0:1.4.1-6.el7 36,713
libcap 36,713
 0:2.22-11.el7 36,713
openldap 36,713
 0:2.4.44-25.el7_9 36,713
libgcrypt 36,713
 0:1.5.3-14.el7 36,713
keyutils-libs 36,713
 0:1.5.8-3.el7 36,713
elfutils-libs 36,713
 0:0.176-5.el7 36,713
sssd-client 28,625
 0:1.16.5-10.el7 28,625
google-authenticator 1,093
 0:1.04-1.el7 1,093

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
/lib64/libc.so.6 0x85b0c
Build id: f9fafde281e0e0e2af45911ad0fa115b64c2cea8 		-
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
/lib64/libpam.so.0 0x2f0a
Build id: d908e2ffa0016fc4601c0de7c07f725c5d4c98d4 		-
5
pam_authenticate
/lib64/libpam.so.0 0x27d0
Build id: d908e2ffa0016fc4601c0de7c07f725c5d4c98d4 		-
6
sshpam_auth_passwd
/usr/sbin/sshd 0x340f0
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
7
auth_password
/usr/sbin/sshd 0x117db
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
8
mm_answer_authpassword
/usr/sbin/sshd 0x27c02
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
9
monitor_read
/usr/sbin/sshd 0x2a439
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
10
monitor_child_preauth
/usr/sbin/sshd 0x2abac
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-
11
main
/usr/sbin/sshd 0xf2d4
Build id: 8c47df62cc2fa54e102a6419f361641496c1fa04 		-