Re: KUBSan & alignment

2019-05-20 Thread Kamil Rytarowski
On 19.05.2019 17:33, Christos Zoulas wrote: > In article <76d02b7c-6408-1836-b247-0b5951c8a...@gmx.com>, > Kamil Rytarowski wrote: >> -=-=-=-=-=- >> -=-=-=-=-=- >> >> On 18.05.2019 17:21, Martin Husemann wrote: >>> On Fri, May 17, 2019 at 12:15:16PM -0500, David Young wrote: On Fri, May 17,

Re: KUBSan & alignment

2019-05-20 Thread Patrick Welche
On Sun, May 19, 2019 at 03:33:00PM -, Christos Zoulas wrote: > I have already fixed it. And although misaligned access are slower than > aligned ones, the act of aligning them is even slower :-) Thanks! I think I understand the answer to be "add a memcpy" which will align whateveritis.

Re: KUBSan & alignment

2019-05-19 Thread Christos Zoulas
In article <76d02b7c-6408-1836-b247-0b5951c8a...@gmx.com>, Kamil Rytarowski wrote: >-=-=-=-=-=- >-=-=-=-=-=- > >On 18.05.2019 17:21, Martin Husemann wrote: >> On Fri, May 17, 2019 at 12:15:16PM -0500, David Young wrote: >>> On Fri, May 17, 2019 at 05:19:40PM +0100, Patrick Welche wrote:

Re: KUBSan & alignment

2019-05-18 Thread Kamil Rytarowski
On 18.05.2019 17:21, Martin Husemann wrote: > On Fri, May 17, 2019 at 12:15:16PM -0500, David Young wrote: >> On Fri, May 17, 2019 at 05:19:40PM +0100, Patrick Welche wrote: >>> What should one do about >>> >>> UBSan: Undefined Behavior in >>>

Re: KUBSan & alignment

2019-05-18 Thread Martin Husemann
On Fri, May 17, 2019 at 12:15:16PM -0500, David Young wrote: > On Fri, May 17, 2019 at 05:19:40PM +0100, Patrick Welche wrote: > > What should one do about > > > > UBSan: Undefined Behavior in > > ../../../../external/bsd/acpica/dist/events/evregion.c:611:14, load of > > misaligned address

Re: KUBSan & alignment

2019-05-17 Thread David Young
On Fri, May 17, 2019 at 05:19:40PM +0100, Patrick Welche wrote: > What should one do about > > UBSan: Undefined Behavior in > ../../../../external/bsd/acpica/dist/events/evregion.c:611:14, load of > misaligned address 0x8302d4f3 for type 'const ACPI_NAME' which > requires 4 byte

KUBSan & alignment

2019-05-17 Thread Patrick Welche
What should one do about UBSan: Undefined Behavior in ../../../../external/bsd/acpica/dist/events/evregion.c:611:14, load of misaligned address 0x8302d4f3 for type 'const ACPI_NAME' which requires 4 byte alignment UBSan: Undefined Behavior in