On Mon, Nov 28, 2016 at 11:38:03AM +0000, James Cowgill wrote: > Package: qemu-user-static > Version: 1:2.7+dfsg-3 > Severity: normal > Forwarded: https://bugs.launchpad.net/qemu/+bug/1643619 > > Hi, > > I am filing this because I want a Debian bug number - I have already > forwarded it upstream and done a small amount of investigation into it. > > When attempting to qemu debootstrap a mips big-endian chroot, > debootstrap fails to configure systemd. This is because netlink on > qemu-user mips is broken - a request is made to the kernel which never > replies. > > I did some investigation and it seems that the netlink requests are all > byteswapped and the kernel ignores them (presumably because they contain > garbage). I suspect this also affects other big-endian architectures but > I have not checked.
Hi, This bug has been fixed upstream[1], and I can confirm that including this patch allows me to debootstrap a mips chroot. I have attached the full debdiff which I used for my local package. Could this please be fixed for stretch? Thanks, James
diff -Nru qemu-2.8+dfsg/debian/changelog qemu-2.8+dfsg/debian/changelog --- qemu-2.8+dfsg/debian/changelog 2017-03-01 09:32:26.000000000 +0000 +++ qemu-2.8+dfsg/debian/changelog 2017-03-19 18:54:23.000000000 +0000 @@ -1,3 +1,11 @@ +qemu (1:2.8+dfsg-3.1) UNRELEASED; urgency=medium + + * Non-maintainer upload. + * Backport upstream fix for socket syscall byte swapping + Closes: #846084 + + -- James Clarke <jrt...@debian.org> Sun, 19 Mar 2017 18:54:23 +0000 + qemu (1:2.8+dfsg-3) unstable; urgency=high * urgency high due to security fixes diff -Nru qemu-2.8+dfsg/debian/patches/linux-user-fix-socket-syscall-byte-swap.patch qemu-2.8+dfsg/debian/patches/linux-user-fix-socket-syscall-byte-swap.patch --- qemu-2.8+dfsg/debian/patches/linux-user-fix-socket-syscall-byte-swap.patch 1970-01-01 01:00:00.000000000 +0100 +++ qemu-2.8+dfsg/debian/patches/linux-user-fix-socket-syscall-byte-swap.patch 2017-03-19 18:54:17.000000000 +0000 @@ -0,0 +1,41 @@ +From 40493c5f2b0f124c9b2581e539bba14522e51269 Mon Sep 17 00:00:00 2001 +From: Laurent Vivier <laur...@vivier.eu> +Date: Thu, 26 Jan 2017 09:04:48 +0100 +Subject: [PATCH] linux-user: fix "apt-get update" on linux-user hppa + +apt-get was hanging on linux-user hppa. + +strace has shown the netlink data stream was not correctly byte swapped. + +It appears the fd translator function is unregistered just after it +has been registered, so the translator function is not called. + +This patch removes the fd_trans_unregister() after the do_socket() +in the TARGET_NR_socket case. + +This fd_trans_unregister() was added by commit + e36800c linux-user: add signalfd/signalfd4 syscalls +when do_socket() was not registering any fd translator. +And as now it is, we must remove this fd_trans_unregister() to keep them. + +Reported-by: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de> +Signed-off-by: Laurent Vivier <laur...@vivier.eu> +Tested-by: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de> +Message-Id: <20170126080449.28255-3-laur...@vivier.eu> +Signed-off-by: Richard Henderson <r...@twiddle.net> +--- + linux-user/syscall.c | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/linux-user/syscall.c b/linux-user/syscall.c +index 11a311f..9be8e95 100644 +--- a/linux-user/syscall.c ++++ b/linux-user/syscall.c +@@ -9343,7 +9343,6 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, + #ifdef TARGET_NR_socket + case TARGET_NR_socket: + ret = do_socket(arg1, arg2, arg3); +- fd_trans_unregister(ret); + break; + #endif + #ifdef TARGET_NR_socketpair diff -Nru qemu-2.8+dfsg/debian/patches/series qemu-2.8+dfsg/debian/patches/series --- qemu-2.8+dfsg/debian/patches/series 2017-03-01 09:05:15.000000000 +0000 +++ qemu-2.8+dfsg/debian/patches/series 2017-03-19 18:54:23.000000000 +0000 @@ -27,3 +27,4 @@ virtio-gpu-fix-resource-leak-in-virgl_cmd_resource-CVE-2017-5857.patch cirrus-fix-oob-access-issue-CVE-2017-2615.patch 9pfs-symlink-attack-fixes-CVE-2016-9602.patch +linux-user-fix-socket-syscall-byte-swap.patch
