Package: mosh
Version: 1.2.5-1.1
Followup-For: Bug #817929
I can confirm that. After a recent update (but I was sure which one) mosh stops
to work.
The problem seems to be in mosh-server which ends with a SIGSEGV after it forks:
$ strace -f mosh-server
execve("/usr/bin/mosh-server", ["mosh-server"], [/* 23 vars */]) = 0
brk(NULL) = 0x5614e69fc000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62de8000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=191871, ...}) = 0
mmap(NULL, 191871, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f9e62db9000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
[...]
[...]
mprotect(0x7f9e600e7000, 4096, PROT_READ) = 0
mprotect(0x7f9e602f9000, 4096, PROT_READ) = 0
munmap(0x7f9e62d81000, 191871) = 0
open("/etc/group", O_RDONLY|O_CLOEXEC) = 6
lseek(6, 0, SEEK_CUR) = 0
fstat(6, {st_mode=S_IFREG|0644, st_size=1105, ...}) = 0
mmap(NULL, 1105, PROT_READ, MAP_SHARED, 6, 0) = 0x7f9e62de6000
lseek(6, 1105, SEEK_SET) = 1105
munmap(0x7f9e62de6000, 1105) = 0
close(6) = 0
ioctl(5, TIOCSPTLCK, [0]) = 0
ioctl(5, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(5, TIOCGPTN, [7]) = 0
stat("/dev/pts/7", {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 7), ...}) = 0
open("/dev/pts/7", O_RDWR|O_NOCTTY) = 6
ioctl(6, TIOCSWINSZ, {ws_row=45, ws_col=115, ws_xpixel=0, ws_ypixel=0}) = 0
clone(strace: Process 18446 attached
child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7f9e62db1a10) = 18446
[pid 18446] set_robust_list(0x7f9e62db1a20, 24) = 0
[pid 18445] close(6 <unfinished ...>
[pid 18446] close(5 <unfinished ...>
[pid 18445] <... close resumed> ) = 0
[pid 18446] <... close resumed> ) = 0
[pid 18445] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART,
0x7f9e62468d30}, <unfinished ...>
[pid 18446] setsid( <unfinished ...>
[pid 18445] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
[pid 18446] <... setsid resumed> ) = 18446
[pid 18445] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
[pid 18446] ioctl(6, TIOCSCTTY, 0) = 0
[pid 18446] dup2(6, 0) = 0
[pid 18446] dup2(6, 1) = 1
[pid 18446] dup2(6, 2) = 2
[pid 18446] close(6) = 0
[pid 18446] rt_sigaction(SIGHUP, {SIG_DFL, ~[RTMIN RT_1], SA_RESTORER,
0x7f9e62468d30}, NULL, 8) = 0
[pid 18446] --- SIGHUP {si_signo=SIGHUP, si_code=SI_KERNEL} ---
[pid 18445] +++ killed by SIGSEGV +++
+++ killed by SIGHUP +++
Enclose you can find the full strace.
-- System Information:
Debian Release: stretch/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 4.4.4 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages mosh depends on:
ii dpkg 1.18.4
ii libc6 2.22-2
ii libgcc1 1:6-20160220-1
ii libprotobuf9v5 2.6.1-1.3
ii libssl1.0.2 1.0.2g-1
ii libstdc++6 6-20160220-1
ii libtinfo5 6.0+20160213-1
ii libutempter0 1.1.6-3
ii openssh-client 1:7.2p2-1
ii zlib1g 1:1.2.8.dfsg-2+b1
Versions of packages mosh recommends:
ii perl-base [libio-socket-ip-perl] 5.22.1-8
mosh suggests no packages.
-- no debconf information
ming and intelligent local echo
ghigo@venice:~$ strace -f mosh-server
execve("/usr/bin/mosh-server", ["mosh-server"], [/* 23 vars */]) = 0
brk(NULL) = 0x5614e69fc000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62de8000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=191871, ...}) = 0
mmap(NULL, 191871, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f9e62db9000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libtinfo.so.5", 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\260\320\0\0\0\0\0\0"..., 832) =
832
fstat(3, {st_mode=S_IFREG|0644, st_size=171752, ...}) = 0
mmap(NULL, 2268768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e6299f000
mprotect(0x7f9e629c5000, 2093056, PROT_NONE) = 0
mmap(0x7f9e62bc4000, 20480, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x25000) = 0x7f9e62bc4000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libprotobuf.so.9", 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`c\5\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1219464, ...}) = 0
mmap(NULL, 3315888, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e62675000
mprotect(0x7f9e62798000, 2097152, PROT_NONE) = 0
mmap(0x7f9e62998000, 28672, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x123000) = 0x7f9e62998000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpthread.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\360`\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=135968, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db8000
mmap(NULL, 2213008, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e62458000
mprotect(0x7f9e62470000, 2093056, PROT_NONE) = 0
mmap(0x7f9e6266f000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x7f9e6266f000
mmap(0x7f9e62671000, 13456, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9e62671000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libssl.so.1.0.2", 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\300e\1\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=429200, ...}) = 0
mmap(NULL, 2524432, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e621ef000
mprotect(0x7f9e6224e000, 2093056, PROT_NONE) = 0
mmap(0x7f9e6244d000, 45056, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5e000) = 0x7f9e6244d000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.2", 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\0k\7\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=2488032, ...}) = 0
mmap(NULL, 4597856, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e61d8c000
mprotect(0x7f9e61fc0000, 2097152, PROT_NONE) = 0
mmap(0x7f9e621c0000, 176128, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x234000) = 0x7f9e621c0000
mmap(0x7f9e621eb000, 14432, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9e621eb000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libutil.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`\16\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=10688, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db7000
mmap(NULL, 2105608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e61b89000
mprotect(0x7f9e61b8b000, 2093056, PROT_NONE) = 0
mmap(0x7f9e61d8a000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f9e61d8a000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libz.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"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=109144, ...}) = 0
mmap(NULL, 2204200, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e6196e000
mprotect(0x7f9e61988000, 2093056, PROT_NONE) = 0
mmap(0x7f9e61b87000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19000) = 0x7f9e61b87000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libutempter.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\240\t\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=10160, ...}) = 0
mmap(NULL, 2105376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e6176b000
mprotect(0x7f9e6176c000, 2097152, PROT_NONE) = 0
mmap(0x7f9e6196c000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f9e6196c000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libstdc++.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\267\10\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1570232, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db6000
mmap(NULL, 3678816, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e613e8000
mprotect(0x7f9e6155b000, 2097152, PROT_NONE) = 0
mmap(0x7f9e6175b000, 49152, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x173000) = 0x7f9e6175b000
mmap(0x7f9e61767000, 12896, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9e61767000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libm.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\320T\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1038784, ...}) = 0
mmap(NULL, 3133704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e610ea000
mprotect(0x7f9e611e7000, 2093056, PROT_NONE) = 0
mmap(0x7f9e613e6000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xfc000) = 0x7f9e613e6000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libgcc_s.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\0p*\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0644, st_size=89760, ...}) = 0
mmap(NULL, 2185552, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e60ed4000
mprotect(0x7f9e60eea000, 2093056, PROT_NONE) = 0
mmap(0x7f9e610e9000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7f9e610e9000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/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\0000\7\2\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1709784, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db5000
mmap(NULL, 3816000, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e60b30000
mprotect(0x7f9e60cca000, 2097152, PROT_NONE) = 0
mmap(0x7f9e60eca000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19a000) = 0x7f9e60eca000
mmap(0x7f9e60ed0000, 14912, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9e60ed0000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libdl.so.2", 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\240\r\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14640, ...}) = 0
mmap(NULL, 2109680, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f9e6092c000
mprotect(0x7f9e6092e000, 2097152, PROT_NONE) = 0
mmap(0x7f9e60b2e000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f9e60b2e000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db4000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db3000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db1000
arch_prctl(ARCH_SET_FS, 0x7f9e62db1740) = 0
mprotect(0x7f9e60eca000, 16384, PROT_READ) = 0
mprotect(0x7f9e60b2e000, 4096, PROT_READ) = 0
mprotect(0x7f9e613e6000, 4096, PROT_READ) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62db0000
mprotect(0x7f9e6175b000, 40960, PROT_READ) = 0
mprotect(0x7f9e6196c000, 4096, PROT_READ) = 0
mprotect(0x7f9e61b87000, 4096, PROT_READ) = 0
mprotect(0x7f9e61d8a000, 4096, PROT_READ) = 0
mprotect(0x7f9e621c0000, 114688, PROT_READ) = 0
mprotect(0x7f9e6244d000, 16384, PROT_READ) = 0
mprotect(0x7f9e6266f000, 4096, PROT_READ) = 0
mprotect(0x7f9e62998000, 16384, PROT_READ) = 0
mprotect(0x7f9e62bc4000, 16384, PROT_READ) = 0
mprotect(0x5614e6905000, 8192, PROT_READ) = 0
mprotect(0x7f9e62dea000, 4096, PROT_READ) = 0
munmap(0x7f9e62db9000, 191871) = 0
set_tid_address(0x7f9e62db1a10) = 18444
set_robust_list(0x7f9e62db1a20, 24) = 0
rt_sigaction(SIGRTMIN, {0x7f9e6245db90, [], SA_RESTORER|SA_SIGINFO,
0x7f9e62468d30}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7f9e6245dc20, [], SA_RESTORER|SA_RESTART|SA_SIGINFO,
0x7f9e62468d30}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
brk(NULL) = 0x5614e69fc000
brk(0x5614e6a2e000) = 0x5614e6a2e000
futex(0x7f9e6176803c, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x7f9e61768048, FUTEX_WAKE_PRIVATE, 2147483647) = 0
getrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM64_INFINITY}) = 0
setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM64_INFINITY}) = 0
open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2165856, ...}) = 0
mmap(NULL, 2165856, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f9e6071b000
close(3) = 0
ioctl(0, TIOCGWINSZ, {ws_row=45, ws_col=115, ws_xpixel=0, ws_ypixel=0}) = 0
brk(0x5614e6a4f000) = 0x5614e6a4f000
brk(0x5614e6a70000) = 0x5614e6a70000
open("/dev/urandom", O_RDONLY) = 3
read(3,
"\203\372\32011\230\303K\303\22>\256+\307AOQd\301\347\356\252\336\\\277\230\375_\242\202\227|"...,
8191) = 8191
close(3) = 0
open("/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2995, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62de7000
read(3, "# Locale name alias data base.\n#"..., 4096) = 2995
read(3, "", 4096) = 0
close(3) = 0
munmap(0x7f9e62de7000, 4096) = 0
open("/usr/share/locale/en_US.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT
(No such file or directory)
open("/usr/share/locale/en_US/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No
such file or directory)
open("/usr/share/locale/en.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No
such file or directory)
open("/usr/share/locale/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such
file or directory)
open("/etc/gai.conf", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2584, ...}) = 0
fstat(3, {st_mode=S_IFREG|0644, st_size=2584, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62de7000
read(3, "# Configuration for getaddrinfo("..., 4096) = 2584
read(3, "", 4096) = 0
close(3) = 0
munmap(0x7f9e62de7000, 4096) = 0
futex(0x7f9e60ed0f44, FUTEX_WAKE_PRIVATE, 2147483647) = 0
socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
getsockname(3, {sa_family=AF_NETLINK, pid=18444, groups=00000000}, [12]) = 0
sendto(3, "\24\0\0\0\26\0\1\3h&\343V\0\0\0\0\0\0\0\0", 20, 0,
{sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
msg_iov(1)=[{"L\0\0\0\24\0\2\0h&\343V\fH\0\0\2\10\200\376\1\0\0\0\10\0\1\0\177\0\0\1"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 252
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
msg_iov(1)=[{"H\0\0\0\24\0\2\0h&\343V\fH\0\0\n\200\200\376\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 216
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000},
msg_iov(1)=[{"\24\0\0\0\3\0\2\0h&\343V\fH\0\0\0\0\0\0", 4096}],
msg_controllen=0, msg_flags=0}, 0) = 20
socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 4
connect(4, {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"}, 110) = -1
ENOENT (No such file or directory)
close(4) = 0
close(3) = 0
socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3
connect(3, {sa_family=AF_INET6, sin6_port=htons(0), inet_pton(AF_INET6, "::",
&sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28) = 0
getsockname(3, {sa_family=AF_INET6, sin6_port=htons(59888), inet_pton(AF_INET6,
"::1", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, [28]) = 0
connect(3, {sa_family=AF_UNSPEC, sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, 16) = 0
connect(3, {sa_family=AF_INET, sin_port=htons(0),
sin_addr=inet_addr("0.0.0.0")}, 16) = 0
getsockname(3, {sa_family=AF_INET6, sin6_port=htons(35661), inet_pton(AF_INET6,
"::ffff:127.0.0.1", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, [28]) = 0
close(3) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 3
setsockopt(3, SOL_IP, IP_MTU_DISCOVER, "\0", 1) = 0
setsockopt(3, SOL_IP, IP_TOS, [2], 4) = 0
setsockopt(3, SOL_IP, IP_RECVTOS, [1], 4) = 0
dup(3) = 4
close(3) = 0
bind(4, {sa_family=AF_INET, sin_port=htons(60001),
sin_addr=inet_addr("0.0.0.0")}, 16) = 0
brk(0x5614e6a92000) = 0x5614e6a92000
brk(0x5614e6ab3000) = 0x5614e6ab3000
brk(0x5614e6ad5000) = 0x5614e6ad5000
brk(0x5614e6af6000) = 0x5614e6af6000
brk(0x5614e6b18000) = 0x5614e6b18000
brk(0x5614e6b39000) = 0x5614e6b39000
open("/dev/urandom", O_RDONLY) = 3
getsockname(4, {sa_family=AF_INET, sin_port=htons(60001),
sin_addr=inet_addr("0.0.0.0")}, [16]) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 6), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62de7000
write(1, "\n", 1
) = 1
write(1, "MOSH CONNECT 60001 g/rQMTGYw0vDE"..., 42MOSH CONNECT 60001
g/rQMTGYw0vDEj6uK8dBTw
) = 42
rt_sigaction(SIGHUP, {SIG_IGN, ~[RTMIN RT_1], SA_RESTORER, 0x7f9e62468d30},
NULL, 8) = 0
rt_sigaction(SIGPIPE, {SIG_IGN, ~[RTMIN RT_1], SA_RESTORER, 0x7f9e62468d30},
NULL, 8) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7f9e62db1a10) = 18445
strace: Process 18445 attached
[pid 18444] exit_group(0) = ?
[pid 18445] set_robust_list(0x7f9e62db1a20, 24) = 0
[pid 18445] write(2, "\nmosh-server (mosh 1.2.5) [build"..., 45
mosh-server (mosh 1.2.5) [build mosh 1.2.5]
) = 45
[pid 18445] write(2, "Copyright 2012 Keith Winstein <m"..., 51Copyright 2012
Keith Winstein <[email protected]>
<unfinished ...>
[pid 18444] +++ exited with 0 +++
<... write resumed> ) = 51
write(2, "License GPLv3+: GNU GPL version "..., 201License GPLv3+: GNU GPL
version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
) = 201
write(2, "[mosh-server detached, pid = 184"..., 36[mosh-server detached, pid =
18445]
) = 36
open("/dev/null", O_RDWR) = 5
dup2(5, 0) = 0
dup2(5, 1) = 1
dup2(5, 2) = 2
close(5) = 0
open("/dev/ptmx", O_RDWR) = 5
statfs("/dev/pts", {f_type="DEVPTS_SUPER_MAGIC", f_bsize=4096, f_blocks=0,
f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255,
f_frsize=4096, f_flags=4138}) = 0
ioctl(5, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(5, TIOCGPTN, [7]) = 0
stat("/dev/pts/7", {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 7), ...}) = 0
getuid() = 1000
socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 6
connect(6, {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"}, 110) = -1
ENOENT (No such file or directory)
close(6) = 0
socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 6
connect(6, {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"}, 110) = -1
ENOENT (No such file or directory)
close(6) = 0
open("/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 6
fstat(6, {st_mode=S_IFREG|0644, st_size=529, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f9e62de6000
read(6, "# /etc/nsswitch.conf\n#\n# Example"..., 4096) = 529
read(6, "", 4096) = 0
close(6) = 0
munmap(0x7f9e62de6000, 4096) = 0
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 6
fstat(6, {st_mode=S_IFREG|0644, st_size=191871, ...}) = 0
mmap(NULL, 191871, PROT_READ, MAP_PRIVATE, 6, 0) = 0x7f9e62d81000
close(6) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_compat.so.2", O_RDONLY|O_CLOEXEC) = 6
read(6,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\22\0\0\0\0\0\0"..., 832) =
832
fstat(6, {st_mode=S_IFREG|0644, st_size=31616, ...}) = 0
mmap(NULL, 2126944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) =
0x7f9e60513000
mprotect(0x7f9e6051a000, 2093056, PROT_NONE) = 0
mmap(0x7f9e60719000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x6000) = 0x7f9e60719000
close(6) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnsl.so.1", O_RDONLY|O_CLOEXEC) = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360?\0\0\0\0\0\0"...,
832) = 832
fstat(6, {st_mode=S_IFREG|0644, st_size=89064, ...}) = 0
mmap(NULL, 2194008, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) =
0x7f9e602fb000
mprotect(0x7f9e60310000, 2093056, PROT_NONE) = 0
mmap(0x7f9e6050f000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0x14000) = 0x7f9e6050f000
mmap(0x7f9e60511000, 6744, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9e60511000
close(6) = 0
mprotect(0x7f9e6050f000, 4096, PROT_READ) = 0
mprotect(0x7f9e60719000, 4096, PROT_READ) = 0
munmap(0x7f9e62d81000, 191871) = 0
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 6
fstat(6, {st_mode=S_IFREG|0644, st_size=191871, ...}) = 0
mmap(NULL, 191871, PROT_READ, MAP_PRIVATE, 6, 0) = 0x7f9e62d81000
close(6) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_nis.so.2", O_RDONLY|O_CLOEXEC) = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260 \0\0\0\0\0\0"...,
832) = 832
fstat(6, {st_mode=S_IFREG|0644, st_size=47680, ...}) = 0
mmap(NULL, 2143624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) =
0x7f9e600ef000
mprotect(0x7f9e600f9000, 2097152, PROT_NONE) = 0
mmap(0x7f9e602f9000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0xa000) = 0x7f9e602f9000
close(6) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_files.so.2", O_RDONLY|O_CLOEXEC) = 6
read(6, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260!\0\0\0\0\0\0"...,
832) = 832
fstat(6, {st_mode=S_IFREG|0644, st_size=47624, ...}) = 0
mmap(NULL, 2168600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 6, 0) =
0x7f9e5fedd000
mprotect(0x7f9e5fee8000, 2093056, PROT_NONE) = 0
mmap(0x7f9e600e7000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 6, 0xa000) = 0x7f9e600e7000
mmap(0x7f9e600e9000, 22296, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9e600e9000
close(6) = 0
mprotect(0x7f9e600e7000, 4096, PROT_READ) = 0
mprotect(0x7f9e602f9000, 4096, PROT_READ) = 0
munmap(0x7f9e62d81000, 191871) = 0
open("/etc/group", O_RDONLY|O_CLOEXEC) = 6
lseek(6, 0, SEEK_CUR) = 0
fstat(6, {st_mode=S_IFREG|0644, st_size=1105, ...}) = 0
mmap(NULL, 1105, PROT_READ, MAP_SHARED, 6, 0) = 0x7f9e62de6000
lseek(6, 1105, SEEK_SET) = 1105
munmap(0x7f9e62de6000, 1105) = 0
close(6) = 0
ioctl(5, TIOCSPTLCK, [0]) = 0
ioctl(5, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(5, TIOCGPTN, [7]) = 0
stat("/dev/pts/7", {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 7), ...}) = 0
open("/dev/pts/7", O_RDWR|O_NOCTTY) = 6
ioctl(6, TIOCSWINSZ, {ws_row=45, ws_col=115, ws_xpixel=0, ws_ypixel=0}) = 0
clone(strace: Process 18446 attached
child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7f9e62db1a10) = 18446
[pid 18446] set_robust_list(0x7f9e62db1a20, 24) = 0
[pid 18445] close(6 <unfinished ...>
[pid 18446] close(5 <unfinished ...>
[pid 18445] <... close resumed> ) = 0
[pid 18446] <... close resumed> ) = 0
[pid 18445] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART,
0x7f9e62468d30}, <unfinished ...>
[pid 18446] setsid( <unfinished ...>
[pid 18445] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
[pid 18446] <... setsid resumed> ) = 18446
[pid 18445] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
[pid 18446] ioctl(6, TIOCSCTTY, 0) = 0
[pid 18446] dup2(6, 0) = 0
[pid 18446] dup2(6, 1) = 1
[pid 18446] dup2(6, 2) = 2
[pid 18446] close(6) = 0
[pid 18446] rt_sigaction(SIGHUP, {SIG_DFL, ~[RTMIN RT_1], SA_RESTORER,
0x7f9e62468d30}, NULL, 8) = 0
[pid 18446] --- SIGHUP {si_signo=SIGHUP, si_code=SI_KERNEL} ---
[pid 18445] +++ killed by SIGSEGV +++
+++ killed by SIGHUP +++
