Author: tijl Date: Sun Sep 25 18:29:02 2016 New Revision: 306318 URL: https://svnweb.freebsd.org/changeset/base/306318
Log: MFamd64: r266901 Allocate a zeroed LDT. Failing to do this might result in the LDT appearing to run out of free descriptors because of random junk in the descriptor's 'sd_type' field. http://lists.freebsd.org/pipermail/freebsd-amd64/2014-May/016088.html PR: 212639 Submitted by: wheelcomp...@gmail.com MFC after: 2 weeks Modified: head/sys/i386/i386/sys_machdep.c Modified: head/sys/i386/i386/sys_machdep.c ============================================================================== --- head/sys/i386/i386/sys_machdep.c Sun Sep 25 17:58:55 2016 (r306317) +++ head/sys/i386/i386/sys_machdep.c Sun Sep 25 18:29:02 2016 (r306318) @@ -438,7 +438,7 @@ user_ldt_alloc(struct mdproc *mdp, int l new_ldt->ldt_len = len = NEW_MAX_LD(len); new_ldt->ldt_base = (caddr_t)kmem_malloc(kernel_arena, - len * sizeof(union descriptor), M_WAITOK); + len * sizeof(union descriptor), M_WAITOK | M_ZERO); new_ldt->ldt_refcnt = 1; new_ldt->ldt_active = 0; _______________________________________________ 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"