- ls /proc c'est ok
- ls /proc/sys ca bloque
strace ls /proc/sys
(...)
open("/proc/sys", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
fstat64(3, {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, - ifconfig segfault ou se fige au niveau d'une lecture dans /proc/sys:
strace ifconfig
(...)
access("/proc/net/appletalk", R_OK) = -1 ENOENT (No such file
or directory)
access("/proc/sys/net/econet", R_OK |