Hi, I have a patch that makes kvm_uread() read from user space using ptrace(2).
http://people.freebsd.org/~trociny/kvm_uread.ptrace.patch With this change 'ps -e' does not requires procfs(5). Do you like it or there might be some reasons why it is a bad idea? Grepping sources it looks like currently only ps uses kvm_getenvv(3) (and thus kvm_uread()). Note, when reading from its own user space it just does bcopy(3), so if a wrong address range is passed to kvm_uread() the program will segfault. Do we need some protection here and what? Masking SIGSEGV? -- Mikolaj Golub _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
