On Thu, 27 Aug 2015, Markos Chandras wrote: > >> OK. CC to linux-mips because I see that the MIPS implementation of > >> copy_siginfo_to_user32 doesn't handle __SI_SYS, unlike arm64 at least, so > >> I suspect this won't in fact work for n32 or for o32 with a 64-bit kernel. > > > > i'm getting reports of seccomp misbehavior on mips already which is what > > started me down this glibc path. i suspect the original port was tested > > against o32 kernels only. > > -mike > > > > I have recently tested mips64 n64/n32 with the testsuite from libseccomp > and that led me to this fix > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f161439e4104b641a7bfb9b89581d801159fec8 > > if you are aware of other problems (and perhaps a test to trigger them) > that could be kernel related let me know My observation about copy_siginfo_to_user32 missing a case was purely based on the kernel source code. I've no reason to think it has anything to do with seccomp problems. -- Joseph S. Myers joseph@xxxxxxxxxxxxxxxx