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Message #03259
[Bug 2115838] Re: login command just Hangup immediately
** Description changed:
login command just Hangup immediately.
I see this issue with Plucky and Questing
root@plucky:/home/ubuntu# login
Hangup
ubuntu@plucky:~$
root@plucky:~# strace login
execve("/usr/bin/login", ["login"], 0x7ffd0e2dc9c0 /* 20 vars */) = 0
brk(NULL) = 0x56e0011a9000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7d04a5962000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=36429, ...}) = 0
mmap(NULL, 36429, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7d04a5959000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libpam.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=72064, ...}) = 0
mmap(NULL, 69648, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5947000
mmap(0x7d04a594a000, 40960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7d04a594a000
mmap(0x7d04a5954000, 12288, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd000) = 0x7d04a5954000
mmap(0x7d04a5957000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7d04a5957000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libpam_misc.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=22856, ...}) = 0
mmap(NULL, 24656, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5940000
mmap(0x7d04a5942000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7d04a5942000
mmap(0x7d04a5944000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7d04a5944000
mmap(0x7d04a5945000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7d04a5945000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libaudit.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=153760, ...}) = 0
mmap(NULL, 200880, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a590e000
mmap(0x7d04a5911000, 49152, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7d04a5911000
mmap(0x7d04a591d000, 86016, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7d04a591d000
mmap(0x7d04a5932000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7d04a5932000
mmap(0x7d04a5934000, 45232, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7d04a5934000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\245\2\0\0\0\0\0"..., 832) = 832
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 840, 64) = 840
fstat(3, {st_mode=S_IFREG|0755, st_size=2182752, ...}) = 0
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 840, 64) = 840
mmap(NULL, 2227832, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5600000
mmap(0x7d04a5628000, 1662976, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7d04a5628000
mmap(0x7d04a57be000, 323584, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1be000) = 0x7d04a57be000
mmap(0x7d04a580d000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x20c000) = 0x7d04a580d000
mmap(0x7d04a5813000, 52856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7d04a5813000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libcap-ng.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=31024, ...}) = 0
mmap(NULL, 32816, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5905000
mmap(0x7d04a5907000, 16384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7d04a5907000
mmap(0x7d04a590b000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7d04a590b000
mmap(0x7d04a590c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7d04a590c000
close(3) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7d04a5903000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7d04a5901000
arch_prctl(ARCH_SET_FS, 0x7d04a59045c0) = 0
set_tid_address(0x7d04a5904890) = 256045
set_robust_list(0x7d04a59048a0, 24) = 0
rseq(0x7d04a59044c0, 0x20, 0, 0x53053053) = 0
mprotect(0x7d04a580d000, 16384, PROT_READ) = 0
mprotect(0x7d04a590c000, 4096, PROT_READ) = 0
mprotect(0x7d04a5932000, 4096, PROT_READ) = 0
mprotect(0x7d04a5957000, 4096, PROT_READ) = 0
mprotect(0x7d04a5945000, 4096, PROT_READ) = 0
mprotect(0x56dff9b1b000, 4096, PROT_READ) = 0
mprotect(0x7d04a59a4000, 8192, PROT_READ) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
munmap(0x7d04a5959000, 36429) = 0
openat(AT_FDCWD, "/proc/sys/kernel/cap_last_cap", O_RDONLY) = 3
fstatfs(3, {f_type=PROC_SUPER_MAGIC, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={val=[0x18, 0]}, f_namelen=255, f_frsize=4096, f_flags=ST_VALID|ST_NOSUID|ST_NODEV|ST_NOEXEC|ST_RELATIME}) = 0
read(3, "40\n", 7) = 3
close(3) = 0
prctl(PR_CAPBSET_READ, CAP_CHOWN) = 1
prctl(PR_GET_SECUREBITS) = 0
prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0) = 0
prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_CHOWN, 0, 0) = 0
getpid() = 256045
getrandom("\x65\x99\x4e\x8d\x18\x2d\xba\x42", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x56e0011a9000
brk(0x56e0011ca000) = 0x56e0011ca000
openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=3063024, ...}) = 0
mmap(NULL, 3063024, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7d04a5200000
close(3) = 0
openat(AT_FDCWD, "/etc/login.defs", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=5939, ...}) = 0
read(3, "#\n# /etc/login.defs - Configurat"..., 4096) = 4096
read(3, "# any combination of letters \"fr"..., 4096) = 1843
read(3, "", 4096) = 0
close(3) = 0
openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2996, ...}) = 0
read(3, "# Locale name alias data base.\n#"..., 4096) = 2996
read(3, "", 4096) = 0
close(3) = 0
openat(AT_FDCWD, "/usr/share/locale/en_US.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en_US.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en_US/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_US.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_US/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
rt_sigaction(SIGALRM, {sa_handler=0x56dff9b16ff0, sa_mask=[ALRM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGALRM, NULL, {sa_handler=0x56dff9b16ff0, sa_mask=[ALRM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=0x56dff9b16ff0, sa_mask=[ALRM], sa_flags=SA_RESTORER, sa_restorer=0x7d04a5645810}, NULL, 8) = 0
alarm(60) = 0
rt_sigaction(SIGQUIT, {sa_handler=SIG_IGN, sa_mask=[QUIT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGINT, {sa_handler=SIG_IGN, sa_mask=[INT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
setpriority(PRIO_PROCESS, 0, 0) = 0
getuid() = 0
geteuid() = 0
getgid() = 0
getegid() = 0
prctl(PR_GET_DUMPABLE) = 1 (SUID_DUMP_USER)
close_range(3, 4294967295, 0) = 0
setpgid(0, 0) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
fstat(0, {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0x1), ...}) = 0
readlink("/proc/self/fd/0", "/dev/pts/1", 4095) = 10
newfstatat(AT_FDCWD, "/dev/pts/1", {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0x1), ...}, 0) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
newfstatat(AT_FDCWD, "/dev/pts/1", {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0x1), ...}, AT_SYMLINK_NOFOLLOW) = 0
access("/dev/pts/1", R_OK|W_OK) = 0
ioctl(0, TIOCGWINSZ, {ws_row=116, ws_col=345, ws_xpixel=640, ws_ypixel=480}) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
fchown(0, 0, 0) = 0
fchmod(0, 0600) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
ioctl(0, TCSETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
--- SIGTTOU {si_signo=SIGTTOU, si_code=SI_KERNEL} ---
--- stopped by SIGTTOU ---
root@oracular:~# ldd /usr/bin/login
linux-vdso.so.1 (0x0000753d92a12000)
libsystemd.so.0 => /lib/x86_64-linux-gnu/libsystemd.so.0 (0x0000753d92913000)
libpam.so.0 => /lib/x86_64-linux-gnu/libpam.so.0 (0x0000753d92902000)
libpam_misc.so.0 => /lib/x86_64-linux-gnu/libpam_misc.so.0 (0x0000753d928fb000)
libaudit.so.1 => /lib/x86_64-linux-gnu/libaudit.so.1 (0x0000753d928c9000)
libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x0000753d928b3000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x0000753d92600000)
libcap.so.2 => /lib/x86_64-linux-gnu/libcap.so.2 (0x0000753d928a4000)
/lib64/ld-linux-x86-64.so.2 (0x0000753d92a14000)
libcap-ng.so.0 => /lib/x86_64-linux-gnu/libcap-ng.so.0 (0x0000753d9289c000)
libmd.so.0 => /lib/x86_64-linux-gnu/libmd.so.0 (0x0000753d9288d000)
root@plucky:~# ldd /usr/bin/login
linux-vdso.so.1 (0x00007cc5a1353000)
libpam.so.0 => /lib/x86_64-linux-gnu/libpam.so.0 (0x00007cc5a1325000)
libpam_misc.so.0 => /lib/x86_64-linux-gnu/libpam_misc.so.0 (0x00007cc5a131e000)
libaudit.so.1 => /lib/x86_64-linux-gnu/libaudit.so.1 (0x00007cc5a12ec000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007cc5a1000000)
libcap-ng.so.0 => /lib/x86_64-linux-gnu/libcap-ng.so.0 (0x00007cc5a12e3000)
/lib64/ld-linux-x86-64.so.2 (0x00007cc5a1355000)
+
+
+ root@oracular:/home/ubuntu/util-linux/util-linux-2.40.2# apt show login
+ Package: login
+ Version: 1:4.15.3-3ubuntu2
+ Priority: required
+ Protected: yes
+ Section: admin
+ Source: shadow
+ Origin: Ubuntu
+ Maintainer: Ubuntu Developers <ubuntu-devel-discuss@xxxxxxxxxxxxxxxx>
+ Original-Maintainer: Shadow package maintainers <pkg-shadow-devel@xxxxxxxxxxxxxxxxxxxxxxx>
+ Bugs: https://bugs.launchpad.net/ubuntu/+filebug
+ Installed-Size: 672 kB
+ Depends: libpam-modules, libpam-runtime, libaudit1 (>= 1:2.2.1), libbsd0 (>= 0.11.0), libc6 (>= 2.38), libcrypt1 (>= 1:4.1.0), libpam0g (>= 0.99.7.1), libsystemd0
+ Conflicts: python-4suite (<< 0.99cvs20060405-1)
+ Homepage: https://github.com/shadow-maint/shadow
+ Task: cloud-minimal, minimal, server-minimal
+ Download-Size: 133 kB
+ APT-Manual-Installed: no
+ APT-Sources: http://kr.archive.ubuntu.com/ubuntu oracular/main amd64 Packages
+ Description: system login tools
+ This package provides support for console-based logins and for
+ changing effective user or group IDs, including:
+ * login, the program that invokes a user shell on a virtual terminal;
+ * nologin, a dummy shell for disabled user accounts;
+
+
+ ubuntu@plucky:~/util-linux/util-linux-2.40.2$ apt show login
+ Package: login
+ Version: 1:4.16.0-2+really2.40.2-14ubuntu1
+ Priority: required
+ Protected: yes
+ Section: admin
+ Source: util-linux (2.40.2-14ubuntu1)
+ Origin: Ubuntu
+ Maintainer: Ubuntu Developers <ubuntu-devel-discuss@xxxxxxxxxxxxxxxx>
+ Original-Maintainer: util-linux packagers <util-linux@xxxxxxxxxxxxxxxxxxx>
+ Bugs: https://bugs.launchpad.net/ubuntu/+filebug
+ Installed-Size: 202 kB
+ Pre-Depends: login.defs (>= 1:4.16.0-1~)
+ Depends: libpam-modules, libpam-runtime, libaudit1 (>= 1:2.2.1), libc6 (>= 2.38), libcrypt1 (>= 1:4.1.0), libpam0g (>= 0.99.7.1)
+ Homepage: https://github.com/util-linux/util-linux
+ Task: minimal
+ Download-Size: 77.8 kB
+ APT-Manual-Installed: no
+ APT-Sources: http://kr.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
+ Description: system login tools
+ This package provides support for console-based logins and for
+ changing effective user or group IDs, including:
+ * login, the program that invokes a user shell on a virtual terminal,
+ * nologin, a dummy shell for disabled user accounts,
+ * newgrp, a program to change the effective group IDs.
--
You received this bug notification because you are a member of
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https://bugs.launchpad.net/bugs/2115838
Title:
login command just Hangup immediately
Status in util-linux package in Ubuntu:
New
Status in util-linux source package in Plucky:
New
Status in util-linux source package in Questing:
New
Bug description:
login command just Hangup immediately.
I see this issue with Plucky and Questing
root@plucky:/home/ubuntu# login
Hangup
ubuntu@plucky:~$
root@plucky:~# strace login
execve("/usr/bin/login", ["login"], 0x7ffd0e2dc9c0 /* 20 vars */) = 0
brk(NULL) = 0x56e0011a9000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7d04a5962000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=36429, ...}) = 0
mmap(NULL, 36429, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7d04a5959000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libpam.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=72064, ...}) = 0
mmap(NULL, 69648, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5947000
mmap(0x7d04a594a000, 40960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7d04a594a000
mmap(0x7d04a5954000, 12288, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd000) = 0x7d04a5954000
mmap(0x7d04a5957000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7d04a5957000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libpam_misc.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=22856, ...}) = 0
mmap(NULL, 24656, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5940000
mmap(0x7d04a5942000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7d04a5942000
mmap(0x7d04a5944000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7d04a5944000
mmap(0x7d04a5945000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7d04a5945000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libaudit.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=153760, ...}) = 0
mmap(NULL, 200880, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a590e000
mmap(0x7d04a5911000, 49152, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7d04a5911000
mmap(0x7d04a591d000, 86016, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7d04a591d000
mmap(0x7d04a5932000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7d04a5932000
mmap(0x7d04a5934000, 45232, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7d04a5934000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\245\2\0\0\0\0\0"..., 832) = 832
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 840, 64) = 840
fstat(3, {st_mode=S_IFREG|0755, st_size=2182752, ...}) = 0
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 840, 64) = 840
mmap(NULL, 2227832, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5600000
mmap(0x7d04a5628000, 1662976, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7d04a5628000
mmap(0x7d04a57be000, 323584, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1be000) = 0x7d04a57be000
mmap(0x7d04a580d000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x20c000) = 0x7d04a580d000
mmap(0x7d04a5813000, 52856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7d04a5813000
close(3) = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libcap-ng.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=31024, ...}) = 0
mmap(NULL, 32816, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7d04a5905000
mmap(0x7d04a5907000, 16384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7d04a5907000
mmap(0x7d04a590b000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7d04a590b000
mmap(0x7d04a590c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7d04a590c000
close(3) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7d04a5903000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7d04a5901000
arch_prctl(ARCH_SET_FS, 0x7d04a59045c0) = 0
set_tid_address(0x7d04a5904890) = 256045
set_robust_list(0x7d04a59048a0, 24) = 0
rseq(0x7d04a59044c0, 0x20, 0, 0x53053053) = 0
mprotect(0x7d04a580d000, 16384, PROT_READ) = 0
mprotect(0x7d04a590c000, 4096, PROT_READ) = 0
mprotect(0x7d04a5932000, 4096, PROT_READ) = 0
mprotect(0x7d04a5957000, 4096, PROT_READ) = 0
mprotect(0x7d04a5945000, 4096, PROT_READ) = 0
mprotect(0x56dff9b1b000, 4096, PROT_READ) = 0
mprotect(0x7d04a59a4000, 8192, PROT_READ) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
munmap(0x7d04a5959000, 36429) = 0
openat(AT_FDCWD, "/proc/sys/kernel/cap_last_cap", O_RDONLY) = 3
fstatfs(3, {f_type=PROC_SUPER_MAGIC, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={val=[0x18, 0]}, f_namelen=255, f_frsize=4096, f_flags=ST_VALID|ST_NOSUID|ST_NODEV|ST_NOEXEC|ST_RELATIME}) = 0
read(3, "40\n", 7) = 3
close(3) = 0
prctl(PR_CAPBSET_READ, CAP_CHOWN) = 1
prctl(PR_GET_SECUREBITS) = 0
prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0) = 0
prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_CHOWN, 0, 0) = 0
getpid() = 256045
getrandom("\x65\x99\x4e\x8d\x18\x2d\xba\x42", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x56e0011a9000
brk(0x56e0011ca000) = 0x56e0011ca000
openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=3063024, ...}) = 0
mmap(NULL, 3063024, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7d04a5200000
close(3) = 0
openat(AT_FDCWD, "/etc/login.defs", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=5939, ...}) = 0
read(3, "#\n# /etc/login.defs - Configurat"..., 4096) = 4096
read(3, "# any combination of letters \"fr"..., 4096) = 1843
read(3, "", 4096) = 0
close(3) = 0
openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2996, ...}) = 0
read(3, "# Locale name alias data base.\n#"..., 4096) = 2996
read(3, "", 4096) = 0
close(3) = 0
openat(AT_FDCWD, "/usr/share/locale/en_US.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en_US.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en_US/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_US.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_US.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_US/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en.utf8/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en/LC_MESSAGES/util-linux.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
rt_sigaction(SIGALRM, {sa_handler=0x56dff9b16ff0, sa_mask=[ALRM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGALRM, NULL, {sa_handler=0x56dff9b16ff0, sa_mask=[ALRM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=0x56dff9b16ff0, sa_mask=[ALRM], sa_flags=SA_RESTORER, sa_restorer=0x7d04a5645810}, NULL, 8) = 0
alarm(60) = 0
rt_sigaction(SIGQUIT, {sa_handler=SIG_IGN, sa_mask=[QUIT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGINT, {sa_handler=SIG_IGN, sa_mask=[INT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7d04a5645810}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
setpriority(PRIO_PROCESS, 0, 0) = 0
getuid() = 0
geteuid() = 0
getgid() = 0
getegid() = 0
prctl(PR_GET_DUMPABLE) = 1 (SUID_DUMP_USER)
close_range(3, 4294967295, 0) = 0
setpgid(0, 0) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
fstat(0, {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0x1), ...}) = 0
readlink("/proc/self/fd/0", "/dev/pts/1", 4095) = 10
newfstatat(AT_FDCWD, "/dev/pts/1", {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0x1), ...}, 0) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
newfstatat(AT_FDCWD, "/dev/pts/1", {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0x1), ...}, AT_SYMLINK_NOFOLLOW) = 0
access("/dev/pts/1", R_OK|W_OK) = 0
ioctl(0, TIOCGWINSZ, {ws_row=116, ws_col=345, ws_xpixel=640, ws_ypixel=480}) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
fchown(0, 0, 0) = 0
fchmod(0, 0600) = 0
ioctl(0, TCGETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
ioctl(0, TCSETS, {c_iflag=ICRNL|IXON, c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B9600|CS8|CREAD, c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
--- SIGTTOU {si_signo=SIGTTOU, si_code=SI_KERNEL} ---
--- stopped by SIGTTOU ---
root@oracular:~# ldd /usr/bin/login
linux-vdso.so.1 (0x0000753d92a12000)
libsystemd.so.0 => /lib/x86_64-linux-gnu/libsystemd.so.0 (0x0000753d92913000)
libpam.so.0 => /lib/x86_64-linux-gnu/libpam.so.0 (0x0000753d92902000)
libpam_misc.so.0 => /lib/x86_64-linux-gnu/libpam_misc.so.0 (0x0000753d928fb000)
libaudit.so.1 => /lib/x86_64-linux-gnu/libaudit.so.1 (0x0000753d928c9000)
libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x0000753d928b3000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x0000753d92600000)
libcap.so.2 => /lib/x86_64-linux-gnu/libcap.so.2 (0x0000753d928a4000)
/lib64/ld-linux-x86-64.so.2 (0x0000753d92a14000)
libcap-ng.so.0 => /lib/x86_64-linux-gnu/libcap-ng.so.0 (0x0000753d9289c000)
libmd.so.0 => /lib/x86_64-linux-gnu/libmd.so.0 (0x0000753d9288d000)
root@plucky:~# ldd /usr/bin/login
linux-vdso.so.1 (0x00007cc5a1353000)
libpam.so.0 => /lib/x86_64-linux-gnu/libpam.so.0 (0x00007cc5a1325000)
libpam_misc.so.0 => /lib/x86_64-linux-gnu/libpam_misc.so.0 (0x00007cc5a131e000)
libaudit.so.1 => /lib/x86_64-linux-gnu/libaudit.so.1 (0x00007cc5a12ec000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007cc5a1000000)
libcap-ng.so.0 => /lib/x86_64-linux-gnu/libcap-ng.so.0 (0x00007cc5a12e3000)
/lib64/ld-linux-x86-64.so.2 (0x00007cc5a1355000)
root@oracular:/home/ubuntu/util-linux/util-linux-2.40.2# apt show login
Package: login
Version: 1:4.15.3-3ubuntu2
Priority: required
Protected: yes
Section: admin
Source: shadow
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@xxxxxxxxxxxxxxxx>
Original-Maintainer: Shadow package maintainers <pkg-shadow-devel@xxxxxxxxxxxxxxxxxxxxxxx>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 672 kB
Depends: libpam-modules, libpam-runtime, libaudit1 (>= 1:2.2.1), libbsd0 (>= 0.11.0), libc6 (>= 2.38), libcrypt1 (>= 1:4.1.0), libpam0g (>= 0.99.7.1), libsystemd0
Conflicts: python-4suite (<< 0.99cvs20060405-1)
Homepage: https://github.com/shadow-maint/shadow
Task: cloud-minimal, minimal, server-minimal
Download-Size: 133 kB
APT-Manual-Installed: no
APT-Sources: http://kr.archive.ubuntu.com/ubuntu oracular/main amd64 Packages
Description: system login tools
This package provides support for console-based logins and for
changing effective user or group IDs, including:
* login, the program that invokes a user shell on a virtual terminal;
* nologin, a dummy shell for disabled user accounts;
ubuntu@plucky:~/util-linux/util-linux-2.40.2$ apt show login
Package: login
Version: 1:4.16.0-2+really2.40.2-14ubuntu1
Priority: required
Protected: yes
Section: admin
Source: util-linux (2.40.2-14ubuntu1)
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@xxxxxxxxxxxxxxxx>
Original-Maintainer: util-linux packagers <util-linux@xxxxxxxxxxxxxxxxxxx>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 202 kB
Pre-Depends: login.defs (>= 1:4.16.0-1~)
Depends: libpam-modules, libpam-runtime, libaudit1 (>= 1:2.2.1), libc6 (>= 2.38), libcrypt1 (>= 1:4.1.0), libpam0g (>= 0.99.7.1)
Homepage: https://github.com/util-linux/util-linux
Task: minimal
Download-Size: 77.8 kB
APT-Manual-Installed: no
APT-Sources: http://kr.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
Description: system login tools
This package provides support for console-based logins and for
changing effective user or group IDs, including:
* login, the program that invokes a user shell on a virtual terminal,
* nologin, a dummy shell for disabled user accounts,
* newgrp, a program to change the effective group IDs.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/2115838/+subscriptions
References
