> No, you could not crash the kernel this way. Your > userland program would be the one traversing the symlinks, > in -user space-. Each call into the kernel would > traverse one link, sure, but that's certainly not > going to be a problem for the kernel. > plz have a look at: http://lwn.net/Articles/2995/ I think user process can still do it. > I also suspect (though I do not know this for certain) > that the kernel is smart enough to detect kernel-stack > overflow and kill the offending process. It would be > trivial: just keep a read-only PTE at the end of the > kernel stack, and if anything tries to write > there, take a page fault, notice that it's adjacent > to the task stack, and kill the process. http://van-dijk.net/linuxkernel/200206/1235.html By reading that, i think it wont ! ( i may be wrong here ) I donno abt latest kernels. ive not yet found the light :( -nagaraj -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
