On Mon, 2024-05-13 at 14:58 +0200, Roberto Sassu wrote: > On Mon, 2024-05-13 at 14:52 +0200, Johannes Berg wrote: > > On Mon, 2024-05-13 at 14:42 +0200, Roberto Sassu wrote: > > > On Mon, 2024-05-13 at 14:29 +0200, Johannes Berg wrote: > > > > On Mon, 2024-05-13 at 14:27 +0200, Roberto Sassu wrote: > > > > > From: Roberto Sassu <roberto.sa...@huawei.com> > > > > > > > > > > Disable UBSAN sanitization on UML, since UML does not support it. > > > > > > > > > > > > > Luckily, that isn't actually true, nor does it actually do this at all. > > > > Please fix the commit message. > > > > > > Thanks, I was actually wondering. I based that statement based on > > > ARCH_HAS_UBSAN=n. > > > > > > Any other solution would be ok. > > > > Not sure I get it. What you're doing in the patch is perfectly fine and > > almost certainly required, but you're definitely not disabling UBSAN on > > ARCH=um as you described in the commit message? > > Ok, I guess the right word is instrumentation (got it from commit > d4be85d068b44). And the reason is that the vDSO is executing in user > space. Will fix it.
No, UBSAN is fine, but you're only disabling it for the vDSO :) The commit message doesn't even mention the vDSO though. johannes
