On Mon, 2022-04-04 at 02:50 +0300, Jarkko Sakkinen wrote: > I get this when trying to get EAUG-EACCEPTCOPY to run on Enarx and I get: > > Unexpected PF: address: 0x007f7fff910000, error code 0x15 > > I'm using patches from: > > https://github.com/rchatre/linux/tree/sgx/sgx2_submitted_v2_plus_rwx > > Fault code is in other words PROT|WRITE|USER|RSVD. > > According to arch/x86/kernel/fault.c: > > /* > * Reserved bits are never expected to be set on > * entries in the user portion of the page tables. > */ > if (unlikely(error_code & X86_PF_RSVD)) > pgtable_bad(regs, error_code, address); > > Any clue how this fault code could emit? > > [*] https://github.com/enarx/enarx/pull/1608 > > BR, Jarkko Oops, off-by-one, I bit is set, not RSVD :-) BR, Jarkko