Created
November 12, 2016 09:51
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| execve("./pid-proc", ["./pid-proc"], [/* 67 vars */]) = 0 | |
| brk(NULL) = 0x2487000 | |
| 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) = 0x7f40ee1ba000 | |
| access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/lib/tls/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/lib/tls/x86_64", 0x7ffe26844710) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/lib/tls/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/lib/tls", 0x7ffe26844710) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/lib/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/lib/x86_64", 0x7ffe26844710) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/lib", {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0 | |
| open("/usr/local/x86_64-linux-musl/lib/tls/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/x86_64-linux-musl/lib/tls/x86_64", 0x7ffe26844710) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/x86_64-linux-musl/lib/tls/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/x86_64-linux-musl/lib/tls", 0x7ffe26844710) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/x86_64-linux-musl/lib/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/x86_64-linux-musl/lib/x86_64", 0x7ffe26844710) = -1 ENOENT (No such file or directory) | |
| open("/usr/local/x86_64-linux-musl/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| stat("/usr/local/x86_64-linux-musl/lib", 0x7ffe26844710) = -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=142854, ...}) = 0 | |
| mmap(NULL, 142854, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f40ee197000 | |
| 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@\271\10\0\0\0\0\0"..., 832) = 832 | |
| fstat(3, {st_mode=S_IFREG|0644, st_size=1590744, ...}) = 0 | |
| mmap(NULL, 3699328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f40edc0f000 | |
| mprotect(0x7f40edd87000, 2097152, PROT_NONE) = 0 | |
| mmap(0x7f40edf87000, 49152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x178000) = 0x7f40edf87000 | |
| mmap(0x7f40edf93000, 12928, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f40edf93000 | |
| close(3) = 0 | |
| open("/usr/local/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| 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\0\260*\0\0\0\0\0\0"..., 832) = 832 | |
| fstat(3, {st_mode=S_IFREG|0644, st_size=92552, ...}) = 0 | |
| mmap(NULL, 2188336, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f40ed9f8000 | |
| mprotect(0x7f40eda0e000, 2093056, PROT_NONE) = 0 | |
| mmap(0x7f40edc0d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7f40edc0d000 | |
| close(3) = 0 | |
| open("/usr/local/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| 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\0P\t\2\0\0\0\0\0"..., 832) = 832 | |
| fstat(3, {st_mode=S_IFREG|0755, st_size=1864888, ...}) = 0 | |
| mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f40ee196000 | |
| mmap(NULL, 3967392, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f40ed62f000 | |
| mprotect(0x7f40ed7ee000, 2097152, PROT_NONE) = 0 | |
| mmap(0x7f40ed9ee000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bf000) = 0x7f40ed9ee000 | |
| mmap(0x7f40ed9f4000, 14752, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f40ed9f4000 | |
| close(3) = 0 | |
| open("/usr/local/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| 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\0V\0\0\0\0\0\0"..., 832) = 832 | |
| fstat(3, {st_mode=S_IFREG|0644, st_size=1088952, ...}) = 0 | |
| mmap(NULL, 3178744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f40ed326000 | |
| mprotect(0x7f40ed42e000, 2093056, PROT_NONE) = 0 | |
| mmap(0x7f40ed62d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x107000) = 0x7f40ed62d000 | |
| close(3) = 0 | |
| mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f40ee195000 | |
| mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f40ee193000 | |
| arch_prctl(ARCH_SET_FS, 0x7f40ee193740) = 0 | |
| mprotect(0x7f40ed9ee000, 16384, PROT_READ) = 0 | |
| mprotect(0x7f40ed62d000, 4096, PROT_READ) = 0 | |
| mprotect(0x7f40edc0d000, 4096, PROT_READ) = 0 | |
| mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f40ee192000 | |
| mprotect(0x7f40edf87000, 40960, PROT_READ) = 0 | |
| mprotect(0x601000, 4096, PROT_READ) = 0 | |
| mprotect(0x7f40ee1bc000, 4096, PROT_READ) = 0 | |
| munmap(0x7f40ee197000, 142854) = 0 | |
| brk(NULL) = 0x2487000 | |
| brk(0x24b9000) = 0x24b9000 | |
| pipe([3, 4]) = 0 | |
| clone(strace: Process 2774 attached | |
| child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f40ee193a10) = 2774 | |
| [pid 2773] read(3, <unfinished ...> | |
| [pid 2774] dup2(4, 1) = 1 | |
| [pid 2774] execve("/bin/echo", ["echo", "hello"], [/* 67 vars */]) = 0 | |
| [pid 2774] brk(NULL) = 0x23d9000 | |
| [pid 2774] access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) | |
| [pid 2774] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0be25bf000 | |
| [pid 2774] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/lib/tls/x86_64/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/lib/tls/x86_64", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/lib/tls/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/lib/tls", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/lib/x86_64/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/lib/x86_64", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/lib", {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0 | |
| [pid 2774] open("/usr/local/x86_64-linux-musl/lib/tls/x86_64/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/x86_64-linux-musl/lib/tls/x86_64", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/x86_64-linux-musl/lib/tls/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/x86_64-linux-musl/lib/tls", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/x86_64-linux-musl/lib/x86_64/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/x86_64-linux-musl/lib/x86_64", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/usr/local/x86_64-linux-musl/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) | |
| [pid 2774] stat("/usr/local/x86_64-linux-musl/lib", 0x7ffc13a1f0d0) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 5 | |
| [pid 2774] fstat(5, {st_mode=S_IFREG|0644, st_size=142854, ...}) = 0 | |
| [pid 2774] mmap(NULL, 142854, PROT_READ, MAP_PRIVATE, 5, 0) = 0x7f0be259c000 | |
| [pid 2774] close(5) = 0 | |
| [pid 2774] access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) | |
| [pid 2774] open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 5 | |
| [pid 2774] read(5, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\t\2\0\0\0\0\0"..., 832) = 832 | |
| [pid 2774] fstat(5, {st_mode=S_IFREG|0755, st_size=1864888, ...}) = 0 | |
| [pid 2774] mmap(NULL, 3967392, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7f0be1fd3000 | |
| [pid 2774] mprotect(0x7f0be2192000, 2097152, PROT_NONE) = 0 | |
| [pid 2774] mmap(0x7f0be2392000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1bf000) = 0x7f0be2392000 | |
| [pid 2774] mmap(0x7f0be2398000, 14752, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f0be2398000 | |
| [pid 2774] close(5) = 0 | |
| [pid 2774] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0be259b000 | |
| [pid 2774] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0be259a000 | |
| [pid 2774] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0be2599000 | |
| [pid 2774] arch_prctl(ARCH_SET_FS, 0x7f0be259a700) = 0 | |
| [pid 2774] mprotect(0x7f0be2392000, 16384, PROT_READ) = 0 | |
| [pid 2774] mprotect(0x606000, 4096, PROT_READ) = 0 | |
| [pid 2774] mprotect(0x7f0be25c1000, 4096, PROT_READ) = 0 | |
| [pid 2774] munmap(0x7f0be259c000, 142854) = 0 | |
| [pid 2774] brk(NULL) = 0x23d9000 | |
| [pid 2774] brk(0x23fa000) = 0x23fa000 | |
| [pid 2774] open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 5 | |
| [pid 2774] fstat(5, {st_mode=S_IFREG|0644, st_size=4898080, ...}) = 0 | |
| [pid 2774] mmap(NULL, 4898080, PROT_READ, MAP_PRIVATE, 5, 0) = 0x7f0be1b27000 | |
| [pid 2774] close(5) = 0 | |
| [pid 2774] fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0 | |
| [pid 2774] write(1, "hello\n", 6 <unfinished ...> | |
| [pid 2773] <... read resumed> "hello\n", 4096) = 6 | |
| [pid 2774] <... write resumed> ) = 6 | |
| [pid 2773] fstat(1, <unfinished ...> | |
| [pid 2774] close(1 <unfinished ...> | |
| [pid 2773] <... fstat resumed> {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 17), ...}) = 0 | |
| [pid 2774] <... close resumed> ) = 0 | |
| [pid 2773] write(1, "got from child: hello\n", 22 <unfinished ...> | |
| [pid 2774] close(2 <unfinished ...> | |
| [pid 2773] <... write resumed> ) = 22 | |
| [pid 2774] <... close resumed> ) = 0 | |
| [pid 2773] open("/proc/2774/stat", O_RDONLY <unfinished ...> | |
| [pid 2774] exit_group(0) = ? | |
| [pid 2773] <... open resumed> ) = 5 | |
| [pid 2773] read(5, <unfinished ...> | |
| [pid 2774] +++ exited with 0 +++ | |
| <... read resumed> "2774 (echo) Z 2773 2771 2037 348"..., 4096) = 160 | |
| --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2774, si_uid=1000, si_status=0, si_utime=0, si_stime=0} --- | |
| write(1, "stat for pid 2774:\n", 19) = 19 | |
| write(1, "2774 (echo) Z 2773 2771 2037 348"..., 160) = 160 | |
| exit_group(0) = ? | |
| +++ exited with 0 +++ |
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