On Wed, Nov 18, 2020 at 12:44:44PM +0100, Borislav Petkov wrote: > 0x0000000000000000 0x0000000000002000 0x03 > 0x0000000000002000 0x0000000000001000 0x05 > 0x0000000000003000 0x0000000000003000 0x03 > encl_load: encl->nr_segments: 3 > encl_load: seg2 offset: 0x3000, seg2 size: 12288 > encl_load: encl_size: 32768, src_size: 24576 > encl_map_area: encl_size: 32768 > encl_map_area: area: 0x0x7feae0db2000 > encl_map_area: encl_base: 0x7feae0db8000 > SGX_IOC_ENCLAVE_INIT failed: errno=1 Running that same thing again succeeded this time: 0x0000000000000000 0x0000000000002000 0x03 0x0000000000002000 0x0000000000001000 0x05 0x0000000000003000 0x0000000000003000 0x03 encl_load: encl->nr_segments: 3 encl_load: seg2 offset: 0x3000, seg2 size: 12288 encl_load: encl_size: 32768, src_size: 24576 encl_map_area: encl_size: 32768 encl_map_area: area: 0x0x7f846bec0000 encl_map_area: encl_base: 0x7f846bec0000 mapping segment 0, seg->prot: (read write ) base: 0x7f846bec0000, offset 0x0, size: 8192 mapping segment 1, seg->prot: (read exec) base: 0x7f846bec0000, offset 0x2000, size: 4096 mapping segment 2, seg->prot: (read write ) base: 0x7f846bec0000, offset 0x3000, size: 12288 SUCCESS then I did a couple of successful runs and the next one failed again: 0x0000000000000000 0x0000000000002000 0x03 0x0000000000002000 0x0000000000001000 0x05 0x0000000000003000 0x0000000000003000 0x03 encl_load: encl->nr_segments: 3 encl_load: seg2 offset: 0x3000, seg2 size: 12288 encl_load: encl_size: 32768, src_size: 24576 encl_map_area: encl_size: 32768 encl_map_area: area: 0x0x7fb09d4a0000 encl_map_area: encl_base: 0x7fb09d4a0000 SGX_IOC_ENCLAVE_INIT failed: errno=1 Fun. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette