Author: sthibault Date: 2015-08-09 21:18:28 +0000 (Sun, 09 Aug 2015) New Revision: 6467
Added: glibc-package/trunk/debian/patches/hurd-i386/tg-mmap32th_bit.diff Modified: glibc-package/trunk/debian/changelog glibc-package/trunk/debian/patches/series Log: patches/hurd-i386/tg-mmap32th_bit.diff: New patch to fix libpciaccess mapping of BARs above 2GiB. Closes: #793543. Modified: glibc-package/trunk/debian/changelog =================================================================== --- glibc-package/trunk/debian/changelog 2015-08-09 17:54:52 UTC (rev 6466) +++ glibc-package/trunk/debian/changelog 2015-08-09 21:18:28 UTC (rev 6467) @@ -1,3 +1,10 @@ +glibc (2.19-20~0) UNRELEASED; urgency=medium + + * patches/hurd-i386/tg-mmap32th_bit.diff: New patch to fix libpciaccess + mapping of BARs above 2GiB. Closes: #793543. + + -- Samuel Thibault <[email protected]> Sun, 09 Aug 2015 20:00:16 +0000 + glibc (2.19-19) unstable; urgency=medium * patches/hurd-i386/cvs-mlock.diff: New patch to permit to use mlock from Added: glibc-package/trunk/debian/patches/hurd-i386/tg-mmap32th_bit.diff =================================================================== --- glibc-package/trunk/debian/patches/hurd-i386/tg-mmap32th_bit.diff (rev 0) +++ glibc-package/trunk/debian/patches/hurd-i386/tg-mmap32th_bit.diff 2015-08-09 21:18:28 UTC (rev 6467) @@ -0,0 +1,67 @@ +From: Samuel Thibault <[email protected]> +Subject: [PATCH] Make mmap64 use vm_offset_t for overflow check + +The RPC interface used by mmap uses the unsigned vm_offset_t, not the +signed off_t, so 32bit bigger than 2GiB values are fine actually. + +sysdeps/mach/hurd/mmap64.c: New file. + +--- + sysdeps/mach/hurd/mmap64.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 47 insertions(+) + +diff --git a/sysdeps/mach/hurd/mmap64.c b/sysdeps/mach/hurd/mmap64.c +new file mode 100644 +index 0000000..24e1e3e +--- /dev/null ++++ b/sysdeps/mach/hurd/mmap64.c +@@ -0,0 +1,47 @@ ++/* Copyright (C) 1997-2015 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <http://www.gnu.org/licenses/>. */ ++ ++#include <errno.h> ++#include <sys/mman.h> ++#include <sys/types.h> ++ ++/* Map addresses starting near ADDR and extending for LEN bytes. From ++ OFFSET into the file FD describes according to PROT and FLAGS. If ADDR ++ is nonzero, it is the desired mapping address. If the MAP_FIXED bit is ++ set in FLAGS, the mapping will be at ADDR exactly (which must be ++ page-aligned); otherwise the system chooses a convenient nearby address. ++ The return value is the actual mapping address chosen or MAP_FAILED ++ for errors (in which case `errno' is set). A successful `mmap' call ++ deallocates any previous mapping for the affected region. */ ++ ++__ptr_t ++__mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd, ++ __off64_t offset) ++{ ++ vm_offset_t small_offset = (vm_offset_t) offset; ++ ++ if (small_offset != offset) ++ { ++ /* We cannot do this since the offset is too large. */ ++ __set_errno (EOVERFLOW); ++ return MAP_FAILED; ++ } ++ ++ return __mmap (addr, len, prot, flags, fd, small_offset); ++} ++ ++weak_alias (__mmap64, mmap64) +-- +tg: (58695b8..) t/mmap32th_bit (depends on: baseline) Modified: glibc-package/trunk/debian/patches/series =================================================================== --- glibc-package/trunk/debian/patches/series 2015-08-09 17:54:52 UTC (rev 6466) +++ glibc-package/trunk/debian/patches/series 2015-08-09 21:18:28 UTC (rev 6467) @@ -159,6 +159,7 @@ hurd-i386/cvs-libpthread-libc-lockP.diff hurd-i386/cvs-libpthread-libc-lockP2.diff hurd-i386/cvs-mlock.diff +hurd-i386/tg-mmap32th_bit.diff i386/local-biarch.diff i386/local-cmov.diff -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: https://lists.debian.org/[email protected]
