On 6/1/23 04:07, Bagas Sanjaya wrote: > Hi, > > I notice a regression report on Bugzilla [1]. Quoting from it: > >> Recent kernels seem to generate this: >> >> "memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=3976 'Xorg'" >> >> Is this a kernel problem or something to do with Xorg ? >> >> Seen in Kernels 6.3.4 and 6.4.0-rc4. >> >> Thanks > > See Bugzilla for the full thread and attached logs (dmesg, xorg, bisection > log). > > Anyway, I'm adding it to regzbot: > > #regzbot introduced: 105ff5339f498a https://bugzilla.kernel.org/show_bug.cgi?id=217508 > #regzbot title: memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL on Xorg Hm indeed it seems to have introduced 2 new flags and immediately warn if any process doesn't use them. Maybe it would make sense for some of the non-default values of vm.memfd_noexec, but it's too early to warn unconditionally everywhere, no? > Thanks. > > [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217508 >
