Kfir Lavi wrote:
I have Reiserfs. In one of the directories i do, as root, 'ls' and i get the name of the files there. when i do 'ls -l' i get Permission denied for each file in the directory.
Now one file is a file and the other i think is a directory.
I recently installed the system again, but i remember i worked with those files as root before.
Kfir
Do an "strace" of both these operations, see what happens.
Shachar
looked in the output but find a little. /etc/ld.so..... seems wired?!
posting strace:
root > ls spaces2points
ls: spaces2points: Permission denied
root > strace ls spaces2points
execve("/bin/ls", ["ls", "spaces2points"], [/* 16 vars */]) = 0
uname({sys="Linux", node="nakano", ...}) = 0
brk(0) = 0x805b000
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=9263, ...}) = 0
old_mmap(NULL, 9263, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40018000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/librt.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p\31\0\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=22908, ...}) = 0
old_mmap(NULL, 21556, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4001b000
old_mmap(0x40020000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x5000) = 0x40020000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/libacl.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\24"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=22336, ...}) = 0
old_mmap(NULL, 25412, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40021000
old_mmap(0x40027000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x5000) = 0x40027000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340X\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=1279076, ...}) = 0
old_mmap(NULL, 1289388, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40028000
old_mmap(0x40158000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x12f000) = 0x40158000
old_mmap(0x40161000, 7340, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40161000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/libpthread.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320D\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=78167, ...}) = 0
old_mmap(NULL, 60768, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40163000
old_mmap(0x4016f000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xc000) = 0x4016f000
old_mmap(0x40170000, 7520, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40170000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/libattr.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\r\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=10824, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40172000
old_mmap(NULL, 13892, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40173000
old_mmap(0x40176000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x2000) = 0x40176000
close(3) = 0
set_thread_area({entry_number:-1 -> 6, base_addr:0x40172b40, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
munmap(0x40018000, 9263) = 0
set_tid_address(0x40172b88) = 2004
rt_sigaction(SIGRTMIN, {0x40167430, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
brk(0) = 0x805b000
brk(0x807c000) = 0x807c000
brk(0) = 0x807c000
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ..}) = 0
ioctl(1, TIOCGWINSZ, {ws_row=59, ws_col=170, ws_xpixel=1024, ws_ypixel=768}) = 0
stat64("spaces2points", 0x805b08c) = -1 EACCES (Permission denied)
write(2, "ls: ", 4ls: ) = 4
write(2, "spaces2points", 13spaces2points) = 13
write(2, ": Permission denied", 19: Permission denied) = 19
write(2, "\n", 1
) = 1
exit_group(1) = ?
root >
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