To reproduce:
sed -i 's/passwd: *compat/& hesiod/' /etc/nsswitch.conf cat > /etc/hesiod.conf <<EOF lhs=.ns rhs=.athena.mit.edu EOF id andersk
This is a bug in nss_hesiod. See https://sourceware.org/bugzilla/show_bug.cgi?id=19573.
ProblemType: Crash DistroRelease: Ubuntu 16.04 Package: coreutils 8.25-2ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Uname: Linux 4.4.0-18-generic x86_64 NonfreeKernelModules: openafs ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: GNOME Date: Sun Apr 17 22:39:06 2016 EcryptfsInUse: Yes ExecutablePath: /usr/bin/id ExecutableTimestamp: 1455802667 InstallationDate: Installed on 2016-02-19 (58 days ago) InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160218) ProcCmdline: id andersk ProcCwd: /home/anders SegvAnalysis: Segfault happened at: 0x7fef32217a88 <__libc_res_nsend+3192>: cmp %dx,(%rax) PC (0x7fef32217a88) ok source "%dx" ok destination "(%rax)" (0x00000000) not located in a known VMA region (needed writable region)! SegvReason: writing NULL VMA Signal: 11 SourcePackage: coreutils StacktraceTop: sock_eq (a2=0x0, a1=0x7fef33b9daf4 <_res+20>) at res_send.c:1584 __libc_res_nsend (statp=0x7fef33b9dae0 <_res>, buf=buf@entry=0x7ffd88e80910 "@\267\001", buflen=45, buf2=buf2@entry=0x0, buflen2=buflen2@entry=0, ans=ans@entry=0x7ffd88e80d10 " you want. Don't add spaces after the\n", anssiz=1024, ansp=0x0, ansp2=0x0, nansp2=0x0, resplen2=0x0, ansp2_malloced=0x0) at res_send.c:408 __GI___res_nsend (statp=<optimized out>, buf=buf@entry=0x7ffd88e80910 "@\267\001", buflen=<optimized out>, ans=ans@entry=0x7ffd88e80d10 " you want. Don't add spaces after the\n", anssiz=anssiz@entry=1024) at res_send.c:630 get_txt_records (class=1, name=name@entry=0xff3dd0 "39270.uid.ns.athena.mit.edu", ctx=0xff27e0) at hesiod.c:374 hesiod_resolve (context=context@entry=0xff27e0, name=name@entry=0x7ffd88e81190 "39270", type=type@entry=0x7fef3242a486 "uid") at hesiod.c:240 Title: id crashed with SIGSEGV in sock_eq() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm bumblebee cdrom dip libvirtd lpadmin plugdev sambashare sbuild sudo wireshark
To reproduce:
sed -i 's/passwd: *compat/& hesiod/' /etc/nsswitch.conf
cat > /etc/hesiod.conf <<EOF
lhs=.ns
rhs=.athena.mit.edu
EOF
id andersk
This is a bug in nss_hesiod. See https:/ /sourceware. org/bugzilla/ show_bug. cgi?id= 19573.
ProblemType: Crash ature: Ubuntu 4.4.0-18.34-generic 4.4.6 dules: openafs tamp: 1455802667 res_nsend+ 3192>: cmp %dx,(%rax) 0x7fef33b9dae0 <_res>, buf=buf@ entry=0x7ffd88e 80910 "@\267\001", buflen=45, buf2=buf2@ entry=0x0, buflen2= buflen2@ entry=0, ans=ans@ entry=0x7ffd88e 80d10 " you want. Don't add spaces after the\n", anssiz=1024, ansp=0x0, ansp2=0x0, nansp2=0x0, resplen2=0x0, ansp2_malloced=0x0) at res_send.c:408 entry=0x7ffd88e 80910 "@\267\001", buflen=<optimized out>, ans=ans@ entry=0x7ffd88e 80d10 " you want. Don't add spaces after the\n", anssiz= anssiz@ entry=1024) at res_send.c:630 entry=0xff3dd0 "39270. uid.ns. athena. mit.edu" , ctx=0xff27e0) at hesiod.c:374 context@ entry=0xff27e0, name=name@ entry=0x7ffd88e 81190 "39270", type=type@ entry=0x7fef324 2a486 "uid") at hesiod.c:240
DistroRelease: Ubuntu 16.04
Package: coreutils 8.25-2ubuntu2
ProcVersionSign
Uname: Linux 4.4.0-18-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Apr 17 22:39:06 2016
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/id
ExecutableTimes
InstallationDate: Installed on 2016-02-19 (58 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160218)
ProcCmdline: id andersk
ProcCwd: /home/anders
SegvAnalysis:
Segfault happened at: 0x7fef32217a88 <__libc_
PC (0x7fef32217a88) ok
source "%dx" ok
destination "(%rax)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: coreutils
StacktraceTop:
sock_eq (a2=0x0, a1=0x7fef33b9daf4 <_res+20>) at res_send.c:1584
__libc_res_nsend (statp=
__GI___res_nsend (statp=<optimized out>, buf=buf@
get_txt_records (class=1, name=name@
hesiod_resolve (context=
Title: id crashed with SIGSEGV in sock_eq()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm bumblebee cdrom dip libvirtd lpadmin plugdev sambashare sbuild sudo wireshark