Author: dchagin Date: Sat Dec 26 09:04:47 2015 New Revision: 292743 URL: https://svnweb.freebsd.org/changeset/base/292743
Log: Do not allow access to emuldata for non Linux processes. Pointed out by: mjg@ Security: https://admbugs.freebsd.org/show_bug.cgi?id=679 Modified: head/sys/compat/linux/linux_futex.c Modified: head/sys/compat/linux/linux_futex.c ============================================================================== --- head/sys/compat/linux/linux_futex.c Sat Dec 26 06:13:01 2015 (r292742) +++ head/sys/compat/linux/linux_futex.c Sat Dec 26 09:04:47 2015 (r292743) @@ -1099,6 +1099,8 @@ linux_get_robust_list(struct thread *td, ESRCH); return (ESRCH); } + if (SV_PROC_ABI(td2->td_proc) != SV_ABI_LINUX) + return (EPERM); em = em_find(td2); KASSERT(em != NULL, ("get_robust_list: emuldata notfound.\n")); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
