From: Olaf Hering For some reasons ls -l /proc/$$/exe doesnt work all time for me, with 2.6.8.1 on ppc64. Sometimes it does, sometimes not. No pattern. A few printks show that this check in proc_pid_readlink() triggers an -EACCES: current->fsuid != inode->i_uid proc_pid_readlink(755) error -13 ntptrace(11408) fsuid 100 i_uid 0 0 sys_readlink(281) ntptrace(11408) error -13 readlink Signed-off-by: Andrew Morton --- 25-akpm/fs/compat.c | 2 ++ 1 files changed, 2 insertions(+) diff -puN fs/compat.c~compat_do_execve-fix fs/compat.c --- 25/fs/compat.c~compat_do_execve-fix Tue Aug 17 14:50:06 2004 +++ 25-akpm/fs/compat.c Tue Aug 17 14:50:06 2004 @@ -1392,6 +1392,8 @@ int compat_do_execve(char * filename, bprm.sh_bang = 0; bprm.loader = 0; bprm.exec = 0; + bprm.interp_flags = 0; + bprm.interp_data = 0; bprm.security = NULL; bprm.mm = mm_alloc(); retval = -ENOMEM; _