Posted by ardje on Thu 19th Aug 16:43
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- test1:/extra# strace -fF rm test160m
- execve("/bin/rm", ["rm", "test160m"], [/* 16 vars */]) = 0
- brk(0) = 0x60f000
- mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffd1d241000
- 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) = 0x7ffd1d23f000
- access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
- open("/etc/ld.so.cache", O_RDONLY) = 3
- fstat(3, {st_mode=S_IFREG|0644, st_size=7665, ...}) = 0
- mmap(NULL, 7665, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7ffd1d23d000
- close(3) = 0
- access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
- open("/lib/libc.so.6", O_RDONLY) = 3
- read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\342\1\0\0\0\0\0@"..., 832) = 832
- fstat(3, {st_mode=S_IFREG|0755, st_size=1375536, ...}) = 0
- mmap(NULL, 3482232, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ffd1ccd4000
- mprotect(0x7ffd1ce1e000, 2093056, PROT_NONE) = 0
- mmap(0x7ffd1d01d000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x149000) = 0x7ffd1d01d000
- mmap(0x7ffd1d022000, 17016, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7ffd1d022000
- close(3) = 0
- mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffd1d23c000
- mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffd1d23b000
- arch_prctl(ARCH_SET_FS, 0x7ffd1d23b6e0) = 0
- mprotect(0x7ffd1d01d000, 12288, PROT_READ) = 0
- munmap(0x7ffd1d23d000, 7665) = 0
- brk(0) = 0x60f000
- brk(0x630000) = 0x630000
- open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
- fstat(3, {st_mode=S_IFREG|0644, st_size=1810000, ...}) = 0
- mmap(NULL, 1810000, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7ffd1d081000
- close(3) = 0
- ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
- geteuid() = 0
- unlinkat(AT_FDCWD, "test160m", 0) = 0
- close(0) = 0
- close(1) = 0
- close(2) = 0
- exit_group(0) = ?
- Meanwhile:
- test1:~# strace -fF sleep 50 < /extra/test160m
- execve("/bin/sleep", ["sleep", "50"], [/* 15 vars */]) = 0
- brk(0) = 0x609000
- mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc8b3783000
- 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) = 0x7fc8b3781000
- access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
- open("/etc/ld.so.cache", O_RDONLY) = 3
- fstat(3, {st_mode=S_IFREG|0644, st_size=7665, ...}) = 0
- mmap(NULL, 7665, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc8b377f000
- close(3) = 0
- access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
- open("/lib/librt.so.1", O_RDONLY) = 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=35784, ...}) = 0
- mmap(NULL, 2132968, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc8b3360000
- mprotect(0x7fc8b3368000, 2093056, PROT_NONE) = 0
- mmap(0x7fc8b3567000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fc8b3567000
- close(3) = 0
- access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
- open("/lib/libc.so.6", O_RDONLY) = 3
- read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\342\1\0\0\0\0\0@"..., 832) = 832
- fstat(3, {st_mode=S_IFREG|0755, st_size=1375536, ...}) = 0
- mmap(NULL, 3482232, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc8b300d000
- mprotect(0x7fc8b3157000, 2093056, PROT_NONE) = 0
- mmap(0x7fc8b3356000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x149000) = 0x7fc8b3356000
- mmap(0x7fc8b335b000, 17016, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc8b335b000
- close(3) = 0
- access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
- open("/lib/libpthread.so.0", O_RDONLY) = 3
- read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320W\0\0\0\0\0\0@"..., 832) = 832
- fstat(3, {st_mode=S_IFREG|0755, st_size=130114, ...}) = 0
- mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc8b377e000
- mmap(NULL, 2208624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc8b2df1000
- mprotect(0x7fc8b2e07000, 2097152, PROT_NONE) = 0
- mmap(0x7fc8b3007000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7fc8b3007000
- mmap(0x7fc8b3009000, 13168, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc8b3009000
- close(3) = 0
- mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc8b377d000
- arch_prctl(ARCH_SET_FS, 0x7fc8b377d6e0) = 0
- mprotect(0x7fc8b3356000, 12288, PROT_READ) = 0
- munmap(0x7fc8b377f000, 7665) = 0
- set_tid_address(0x7fc8b377d770) = 8028
- set_robust_list(0x7fc8b377d780, 0x18) = 0
- futex(0x7fff93831d7c, FUTEX_WAKE_PRIVATE, 1) = 0
- rt_sigaction(SIGRTMIN, {0x7fc8b2df6660, [], SA_RESTORER|SA_SIGINFO, 0x7fc8b2dffa80}, NULL, 8) = 0
- rt_sigaction(SIGRT_1, {0x7fc8b2df66f0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fc8b2dffa80}, NULL, 8) = 0
- rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
- getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
- brk(0) = 0x609000
- brk(0x62a000) = 0x62a000
- open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
- fstat(3, {st_mode=S_IFREG|0644, st_size=1810000, ...}) = 0
- mmap(NULL, 1810000, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc8b35c3000
- close(3) = 0
- nanosleep({50, 0}, NULL) = 0
- close(1) = 0
- close(2) = 0
- exit_group(0) = ?
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