2013-10-30 11:09 keltezéssel, Ferenc Wagner írta:
HISTFILE= strace -f -o /tmp/bash.strace -- /bin/bash --noprofile --norc
-c 'read -a s /proc/$$/stat; echo ${s[31]}'
eredemenye: 2147155711
lecsekkoltam, sudo su - után nálam is 0.
a strace file:
8924 execve(/bin/bash, [/bin/bash, --noprofile, --norc, -c,
read -a s /proc/$$/stat; echo $...], [/* 47 vars */]) = 0
8924 brk(0)= 0xfe9000
8924 access(/etc/ld.so.nohwcap, F_OK) = -1 ENOENT (No such file or
directory)
8924 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7f4e9fe53000
8924 access(/etc/ld.so.preload, R_OK) = -1 ENOENT (No such file or
directory)
8924 open(/etc/ld.so.cache, O_RDONLY|O_CLOEXEC) = 3
8924 fstat(3, {st_mode=S_IFREG|0644, st_size=142018, ...}) = 0
8924 mmap(NULL, 142018, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f4e9fe3
8924 close(3) = 0
8924 access(/etc/ld.so.nohwcap, F_OK) = -1 ENOENT (No such file or
directory)
8924 open(/lib/x86_64-linux-gnu/libtinfo.so.5, O_RDONLY|O_CLOEXEC) =
3
8924 read(3,
\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\0\1\0\0\0\240\302\0\0\0\0\0\0...,
832) = 832
8924 fstat(3, {st_mode=S_IFREG|0644, st_size=163312, ...}) = 0
8924 mmap(NULL, 2260032, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f4e9fa0b000
8924 mprotect(0x7f4e9fa2f000, 2093056, PROT_NONE) = 0
8924 mmap(0x7f4e9fc2e000, 20480, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x23000) = 0x7f4e9fc2e000
8924 close(3) = 0
8924 access(/etc/ld.so.nohwcap, F_OK) = -1 ENOENT (No such file or
directory)
8924 open(/lib/x86_64-linux-gnu/libdl.so.2, O_RDONLY|O_CLOEXEC) = 3
8924 read(3,
\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\0\1\0\0\0\340\r\0\0\0\0\0\0...,
832) = 832
8924 fstat(3, {st_mode=S_IFREG|0644, st_size=14792, ...}) = 0
8924 mmap(NULL, 2109736, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f4e9f807000
8924 mprotect(0x7f4e9f809000, 2097152, PROT_NONE) = 0
8924 mmap(0x7f4e9fa09000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f4e9fa09000
8924 close(3) = 0
8924 access(/etc/ld.so.nohwcap, F_OK) = -1 ENOENT (No such file or
directory)
8924 open(/lib/x86_64-linux-gnu/libc.so.6, O_RDONLY|O_CLOEXEC) = 3
8924 read(3,
\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\0\1\0\0\0\200\30\2\0\0\0\0\0...,
832) = 832
8924 fstat(3, {st_mode=S_IFREG|0755, st_size=1815256, ...}) = 0
8924 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7f4e9fe2f000
8924 mmap(NULL, 3929336, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f4e9f447000
8924 mprotect(0x7f4e9f5fc000, 2097152, PROT_NONE) = 0
8924 mmap(0x7f4e9f7fc000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b5000) = 0x7f4e9f7fc000
8924 mmap(0x7f4e9f802000, 17656, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f4e9f802000
8924 close(3) = 0
8924 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7f4e9fe2e000
8924 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7f4e9fe2d000
8924 arch_prctl(ARCH_SET_FS, 0x7f4e9fe2e700) = 0
8924 mprotect(0x7f4e9f7fc000, 16384, PROT_READ) = 0
8924 mprotect(0x7f4e9fa09000, 4096, PROT_READ) = 0
8924 mprotect(0x7f4e9fc2e000, 16384, PROT_READ) = 0
8924 mprotect(0x6e, 4096, PROT_READ) = 0
8924 mprotect(0x7f4e9fe55000, 4096, PROT_READ) = 0
8924 munmap(0x7f4e9fe3, 142018)= 0
8924 rt_sigprocmask(SIG_BLOCK, NULL, ~[KILL CHLD STOP RTMIN RT_1 RT_2
RT_3 RT_4 RT_5 RT_6 RT_7 RT_8 RT_9 RT_10 RT_11 RT_12 RT_13 RT_14 RT_15
RT_16 RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27
RT_28 RT_29 RT_30 RT_31], 8) = 0
8924 open(/dev/tty, O_RDWR|O_NONBLOCK) = 3
8924 close(3) = 0
8924 brk(0)= 0xfe9000
8924 brk(0xfea000) = 0xfea000
8924 open(/usr/lib/locale/locale-archive, O_RDONLY|O_CLOEXEC) = 3
8924 fstat(3, {st_mode=S_IFREG|0644, st_size=8731024, ...}) = 0
8924 mmap(NULL, 8731024, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f4e9ebf3000
8924 close(3) = 0
8924 brk(0xfeb000) = 0xfeb000
8924 brk(0xfec000) = 0xfec000
8924 brk(0xfed000) = 0xfed000
8924 getuid() = 1000
8924 getgid() = 1000
8924 geteuid() = 1000
8924 getegid() = 1000
8924 rt_sigprocmask(SIG_BLOCK, NULL, ~[KILL CHLD STOP RTMIN RT_1 RT_2
RT_3 RT_4 RT_5 RT_6 RT_7 RT_8 RT_9 RT_10 RT_11 RT_12 RT_13 RT_14 RT_15
RT_16 RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27
RT_28 RT_29 RT_30 RT_31], 8) = 0
8924 brk(0xfee000) = 0xfee000
8924 open(/proc/meminfo, O_RDONLY|O_CLOEXEC) = 3
8924 fstat(3, {st_mode=S_IFREG|0444,