On 29/06/2016 11:42, Peter Maydell wrote: > On 28 June 2016 at 18:33, Paolo Bonzini <pbonz...@redhat.com> wrote: >> The following changes since commit 7dd929dfdc5c52ce79b21bf557ff506e89acbf63: >> >> configure: Make AVX2 test robust to non-ELF systems (2016-06-28 15:40:40 >> +0100) >> >> are available in the git repository at: >> >> git://github.com/bonzini/qemu.git tags/for-upstream >> >> for you to fetch changes up to ea74c50f48100860ef4d27f4a1b2aa3f5cb9a766: >> >> vl: smp_parse: fix regression (2016-06-28 19:19:29 +0200) >> >> ---------------------------------------------------------------- >> * serial port fixes (Paolo) >> * Q35 modeling improvements (Paolo, Vasily) >> * chardev cleanup improvements (Marc-André) >> * iscsi bugfix (Peter L.) >> * cpu_exec patch from multi-arch patches (Peter C.) >> * pci-assign tweak (Lin Ma) > > This triggers a lot of errors from the clang ubsan: > > /home/petmay01/linaro/qemu-for-merges/qemu-char.c:4043:5: runtime > error: member access within misaligned address 0x101010101010101 for > type 'CharDriverState' (aka 'struct CharDriverState'), which requires > 8 byte alignment > 0x101010101010101: note: pointer points here
Real bug, this should fix it: diff --git a/qemu-char.c b/qemu-char.c index 4aeafe8..33ddabf 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -4553,7 +4553,7 @@ static void qemu_chr_cleanup(void) { CharDriverState *chr; - QTAILQ_FOREACH(chr, &chardevs, next) { + QTAILQ_FOREACH_SAFE(chr, &chardevs, next) { qemu_chr_delete(chr); } } Paolo > > > (There was also a hang trying to run tests on 32-bit > ARM, which might or might not be related. Don't have > more details on that one, sorry.) > > thanks > -- PMM > >