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    SubjectRe: /bin/ls: cannot read symbolic link /proc/$$/exe: Permission denied
     On Mon, Aug 16, Olaf Hering wrote:

    >
    > 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

    A better one, clear both new fields, just in case.


    diff -p -purN linux-2.6.8.1.omfg/fs/compat.c linux-2.6.8.1/fs/compat.c
    --- linux-2.6.8.1.omfg/fs/compat.c 2004-08-14 12:55:31.000000000 +0200
    +++ linux-2.6.8.1/fs/compat.c 2004-08-17 00:33:36.000000000 +0200
    @@ -1390,6 +1390,8 @@ 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;
    --
    USB is for mice, FireWire is for men!

    sUse lINUX ag, nÜRNBERG
    -
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