Re: [PATCH] um: fix stub exe build with CONFIG_GCOV

2024-10-27 Thread Nathan Chancellor
On Fri, Oct 25, 2024 at 10:27:01AM +0200, Johannes Berg wrote: > From: Johannes Berg > > CONFIG_GCOV is special and only in UML since it builds the > kernel with a "userspace" option. This is fine, but the stub > is even more special and not really a full userspace process, > so it then fails to

Re: [RFC PATCH 05/13] x86/um: nommu: syscall translation by zpoline

2024-10-27 Thread Johannes Berg
On Sat, 2024-10-26 at 16:36 +0900, Hajime Tazaki wrote: > > Originally our patchset had a whitelist-based seccomp filter (w/ > SCMP_ACT_ALLOW), but dropped from this RFC as I found that 1) this is > not the !MMU specific feature (it can be generally applied to all UML > use cases), and 2) we canno

Re: [RFC PATCH 00/13] nommu UML

2024-10-27 Thread Hajime Tazaki
Hello Benjamin, thank you for your time looking at this. On Sat, 26 Oct 2024 19:19:08 +0900, Benjamin Berg wrote: > > - a crash on userspace programs crashes a UML kernel, not signaling > >   with SIGSEGV to the program. > > - commit c27e618 (during v6.12-rc1 merge) introduces invalid access t