On 08/26/2015 06:10 PM, Mike Frysinger wrote: > On 26 Aug 2015 09:30, Joseph Myers wrote: >> On Wed, 26 Aug 2015, Mike Frysinger wrote: >>> Linux 3.13 added SIGSYS details to siginfo_t; update glibc's copy to >>> keep in sync with it. >>> >>> 2015-08-25 Mike Frysinger <vapier@xxxxxxxxxx> >>> >>> [BZ #18863] >>> * sysdeps/unix/sysv/linux/mips/bits/siginfo.h (siginfo_t): Add _sigsys. >>> (si_call_addr): Define. >>> (si_syscall): Define. >>> (si_arch): Define. >> >> 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 -- markos
