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
2021-04-10
Last occurrence
2025-04-02
Unique reports
43
Quality
-23

Statistics

Operating system Unique / Total count
CentOS 7 43 / 33,116
Operating system Count
CentOS 7 33,116
Architecture Count
x86_64 33,116
Related packages Count
elfutils-libs 33,116
 0:0.176-4.el7 21,445
 0:0.176-5.el7 11,671
nss-softokn-freebl 33,116
 0:3.44.0-8.el7_7 21,445
 0:3.67.0-3.el7_9 11,671
libattr 33,116
 0:2.4.46-13.el7 33,116
Show more… (35)
nspr 33,116
 0:4.21.0-1.el7 21,445
 0:4.32.0-1.el7_9 11,671
bzip2-libs 33,116
 0:1.0.6-13.el7 33,116
libcom_err 33,116
 0:1.42.9-17.el7 21,445
 0:1.42.9-19.el7 11,671
cracklib 33,116
 0:2.9.0-11.el7 33,116
openssl-libs 33,116
 1:1.0.2k-21.el7_9 21,445
 1:1.0.2k-25.el7_9 11,671
openldap 33,116
 0:2.4.44-21.el7_6 21,445
 0:2.4.44-24.el7_9 11,671
systemd-libs 33,116
 0:219-73.el7_8.9 21,445
 0:219-78.el7 11,671
elfutils-libelf 33,116
 0:0.176-4.el7 21,445
 0:0.176-5.el7 11,671
keyutils-libs 33,116
 0:1.5.8-3.el7 33,116
glibc 33,116
 0:2.17-323.el7_9 21,445
 0:2.17-326.el7_9 11,671
libgpg-error 33,116
 0:1.12-3.el7 33,116
xz-libs 33,116
 0:5.2.2-1.el7 21,445
 0:5.2.2-2.el7_9 11,671
lz4 33,116
 0:1.7.5-3.el7 21,445
 0:1.8.3-1.el7 11,671
fipscheck-lib 33,116
 0:1.4.1-6.el7 33,116
pcre 33,116
 0:8.32-17.el7 33,116
libcap 33,116
 0:2.22-11.el7 33,116
libpwquality 33,116
 0:1.2.3-5.el7 33,116
audit-libs 33,116
 0:2.8.5-4.el7 33,116
nss-util 33,116
 0:3.44.0-4.el7_7 21,445
 0:3.67.0-1.el7_9 11,671
libcap-ng 33,116
 0:0.7.5-4.el7 33,116
pam 33,116
 0:1.1.8-23.el7 33,116
krb5-libs 33,116
 0:1.15.1-46.el7 21,445
 0:1.15.1-51.el7_9 11,671
openssh-server 33,116
 0:7.4p1-21.el7 33,116
zlib 33,116
 0:1.2.7-18.el7 21,445
 0:1.2.7-19.el7_9 11,671
nss 33,116
 0:3.44.0-7.el7_7 33,116
libgcc 33,116
 0:4.8.5-44.el7 33,116
tcp_wrappers-libs 33,116
 0:7.6-77.el7 33,116
libgcrypt 33,116
 0:1.5.3-14.el7 33,116
cyrus-sasl-lib 33,116
 0:2.1.26-23.el7 33,116
libselinux 33,116
 0:2.5-15.el7 33,116
sssd-client 32,805
 0:1.16.4-37.el7_8.4 21,445
 0:1.16.5-10.el7 11,360
nss-mdns 21,445
 0:0.14.1-9.el7 21,445
dbus-libs 11,671
 1:1.10.24-15.el7 11,671
nss-pam-ldapd 11,671
 0:0.8.13-25.el7 11,671
oddjob-mkhomedir 11,671
 0:0.31.5-4.el7 11,671

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 0x85b9c
Build id: 7cd4a08c18c60e1e2ea1aebb88c9379bd7289d38 		-
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 		-