Without (Windows) administrative privilege

root@DESKTOP-3RQO5S5:~# strace ping 127.0.0.1
execve("/bin/ping", ["ping", "127.0.0.1"], [/* 19 vars */]) = 0
brk(0)                                  = 0xa33000
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) = 0x7faef5cd0000
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=21298, ...}) = 0
mmap(NULL, 21298, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7faef5cd9000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libcap.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 \26\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=18952, ...}) = 0
mmap(NULL, 2114160, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7faef57f0000
mprotect(0x7faef57f4000, 2093056, PROT_NONE) = 0
mmap(0x7faef59f3000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7faef59f3000
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\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P \2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1840928, ...}) = 0
mmap(NULL, 3949248, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7faef5420000
mprotect(0x7faef55da000, 2097152, PROT_NONE) = 0
mmap(0x7faef57da000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ba000) = 0x7faef57da000
mmap(0x7faef57e0000, 17088, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7faef57e0000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7faef5cc0000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7faef5cb0000
arch_prctl(ARCH_SET_FS, 0x7faef5cb0740) = 0
mprotect(0x7faef57da000, 16384, PROT_READ) = 0
mprotect(0x7faef59f3000, 4096, PROT_READ) = 0
mprotect(0x609000, 4096, PROT_READ)     = 0
mprotect(0x7faef5c22000, 4096, PROT_READ) = 0
munmap(0x7faef5cd9000, 21298)           = 0
brk(0)                                  = 0xa33000
brk(0xa54000)                           = 0xa54000
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, {CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP, CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP, 0}) = 0
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capset({_LINUX_CAPABILITY_VERSION_3, 0}, {0, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
prctl(PR_SET_KEEPCAPS, 1)               = 0
getuid()                                = 0
setuid(0)                               = 0
prctl(PR_SET_KEEPCAPS, 0)               = 0
getuid()                                = 0
geteuid()                               = 0
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, {0, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
capset({_LINUX_CAPABILITY_VERSION_3, 0}, {CAP_NET_RAW, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
socket(PF_INET, SOCK_RAW, IPPROTO_ICMP) = -1 EACCES (Permission denied)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, {CAP_NET_RAW, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
capset({_LINUX_CAPABILITY_VERSION_3, 0}, {0, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 3
connect(3, {sa_family=AF_INET, sin_port=htons(1025), sin_addr=inet_addr("127.0.0.1")}, 16) = 0
getsockname(3, {sa_family=AF_INET, sin_port=htons(60556), sin_addr=inet_addr("127.0.0.1")}, [16]) = 0
close(3)                                = 0
dup(2)                                  = 3
fcntl(3, F_GETFL)                       = 0x2 (flags O_RDWR)
fstat(3, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 1), ...}) = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7faef5ca0000
lseek(3, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
write(3, "ping: icmp open socket: Permissi"..., 42ping: icmp open socket: Permission denied
) = 42
close(3)                                = 0
munmap(0x7faef5ca0000, 4096)            = 0
exit_group(2)                           = ?
+++ exited with 2 +++

With (Windows) administrative privilege

ubuntu@DESKTOP-3RQO5S5:~$ sudo strace ping 127.0.0.1 -c1
sudo: unable to resolve host DESKTOP-3RQO5S5
execve("/bin/ping", ["ping", "127.0.0.1", "-c1"], [/* 14 vars */]) = 0
brk(0)                                  = 0x1ba5000
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) = 0x7f8532b50000
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=21298, ...}) = 0
mmap(NULL, 21298, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f8532b4a000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libcap.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 \26\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=18952, ...}) = 0
mmap(NULL, 2114160, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f85325f0000
mprotect(0x7f85325f4000, 2093056, PROT_NONE) = 0
mmap(0x7f85327f3000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f85327f3000
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\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P \2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1840928, ...}) = 0
mmap(NULL, 3949248, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f8532220000
mprotect(0x7f85323da000, 2097152, PROT_NONE) = 0
mmap(0x7f85325da000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ba000) = 0x7f85325da000
mmap(0x7f85325e0000, 17088, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f85325e0000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8532b40000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8532b30000
arch_prctl(ARCH_SET_FS, 0x7f8532b30740) = 0
mprotect(0x7f85325da000, 16384, PROT_READ) = 0
mprotect(0x7f85327f3000, 4096, PROT_READ) = 0
mprotect(0x609000, 4096, PROT_READ)     = 0
mprotect(0x7f8532a22000, 4096, PROT_READ) = 0
munmap(0x7f8532b4a000, 21298)           = 0
brk(0)                                  = 0x1ba5000
brk(0x1bc6000)                          = 0x1bc6000
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, {CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP, CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP, 0}) = 0
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capset({_LINUX_CAPABILITY_VERSION_3, 0}, {0, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
prctl(PR_SET_KEEPCAPS, 1)               = 0
getuid()                                = 0
setuid(0)                               = 0
prctl(PR_SET_KEEPCAPS, 0)               = 0
getuid()                                = 0
geteuid()                               = 0
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, {0, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
capset({_LINUX_CAPABILITY_VERSION_3, 0}, {CAP_NET_RAW, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
socket(PF_INET, SOCK_RAW, IPPROTO_ICMP) = 3
capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = -1 EFAULT (Bad address)
capget({_LINUX_CAPABILITY_VERSION_3, 0}, {CAP_NET_RAW, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
capset({_LINUX_CAPABILITY_VERSION_3, 0}, {0, CAP_NET_ADMIN|CAP_NET_RAW, 0}) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(1025), sin_addr=inet_addr("127.0.0.1")}, 16) = 0
getsockname(4, {sa_family=AF_INET, sin_port=htons(65028), sin_addr=inet_addr("127.0.0.1")}, [16]) = 0
close(4)                                = 0
setsockopt(3, SOL_RAW, ICMP_FILTER, ~(ICMP_ECHOREPLY|ICMP_DEST_UNREACH|ICMP_SOURCE_QUENCH|ICMP_REDIRECT|ICMP_TIME_EXCEEDED|ICMP_PARAMETERPROB), 4) = 0
setsockopt(3, SOL_IP, IP_RECVERR, [1], 4) = 0
setsockopt(3, SOL_SOCKET, SO_SNDBUF, [324], 4) = 0
setsockopt(3, SOL_SOCKET, SO_RCVBUF, [65536], 4) = 0
getsockopt(3, SOL_SOCKET, SO_RCVBUF, [131072], [4]) = 0
fstat(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 2), ...}) = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8532b20000
write(1, "PING 127.0.0.1 (127.0.0.1) 56(84"..., 49PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
) = 49
setsockopt(3, SOL_SOCKET, SO_TIMESTAMP, [1], 4) = 0
setsockopt(3, SOL_SOCKET, SO_SNDTIMEO, "\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16) = 0
setsockopt(3, SOL_SOCKET, SO_RCVTIMEO, "\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16) = 0
getpid()                                = 1538
rt_sigaction(SIGINT, {0x4043c0, [], SA_RESTORER|SA_INTERRUPT, 0x7f8532256cb0}, NULL, 8) = 0
rt_sigaction(SIGALRM, {0x4043c0, [], SA_RESTORER|SA_INTERRUPT, 0x7f8532256cb0}, NULL, 8) = 0
rt_sigaction(SIGQUIT, {0x4043b0, [], SA_RESTORER|SA_INTERRUPT, 0x7f8532256cb0}, NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
gettimeofday({1466692280, 42678}, NULL) = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TIOCGWINSZ, {ws_row=78, ws_col=269, ws_xpixel=0, ws_ypixel=0}) = 0
gettimeofday({1466692280, 42678}, NULL) = 0
gettimeofday({1466692280, 42678}, NULL) = 0
sendmsg(3, {msg_name(16)={sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("127.0.0.1")}, msg_iov(1)=[{"\10\0X9\6\2\0\1\270\362kW\0\0\0\0\266\246\0\0\0\0\0\0\20\21\22\23\24\25\26\27"..., 64}], msg_controllen=0, msg_flags=0}, 0) = 64
setitimer(ITIMER_REAL, {it_interval={0, 0}, it_value={10, 0}}, NULL) = 0
recvmsg(3, {msg_name(16)={sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("127.0.0.1")}, msg_iov(1)=[{"E\0\0TF\336\0\0\200\1\0\0\177\0\0\1\177\0\0\1\0\0`9\6\2\0\1\270\362kW"..., 192}], msg_controllen=32, {cmsg_len=32, cmsg_level=SOL_SOCKET, cmsg_type=0x1d /* SCM_??? */, ...}, msg_flags=0}, 0) = 84
write(1, "64 bytes from 127.0.0.1: icmp_se"..., 5864 bytes from 127.0.0.1: icmp_seq=1 ttl=128 time=0.000 ms
) = 58
write(1, "\n", 1
)                       = 1
write(1, "--- 127.0.0.1 ping statistics --"..., 34--- 127.0.0.1 ping statistics ---
) = 34
write(1, "1 packets transmitted, 1 receive"..., 601 packets transmitted, 1 received, 0% packet loss, time 0ms
) = 60
write(1, "rtt min/avg/max/mdev = 0.000/0.0"..., 50rtt min/avg/max/mdev = 0.000/0.000/0.000/0.000 ms
) = 50
exit_group(0)                           = ?
+++ exited with 0 +++

[Not bug] ping command #561

Description

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions