diff options
Diffstat (limited to 'results/classifier/118/graphic/1950')
| -rw-r--r-- | results/classifier/118/graphic/1950 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/results/classifier/118/graphic/1950 b/results/classifier/118/graphic/1950 new file mode 100644 index 00000000..a6005562 --- /dev/null +++ b/results/classifier/118/graphic/1950 @@ -0,0 +1,39 @@ +architecture: 0.971 +graphic: 0.946 +arm: 0.899 +performance: 0.874 +device: 0.872 +network: 0.860 +files: 0.827 +socket: 0.798 +vnc: 0.776 +kernel: 0.761 +ppc: 0.755 +PID: 0.740 +risc-v: 0.701 +register: 0.700 +TCG: 0.667 +debug: 0.654 +semantic: 0.614 +mistranslation: 0.608 +permissions: 0.588 +VMM: 0.577 +boot: 0.542 +hypervisor: 0.420 +user-level: 0.419 +peripherals: 0.365 +KVM: 0.325 +assembly: 0.290 +virtual: 0.222 +x86: 0.053 +i386: 0.034 + +[AARCH64] GP bit (BTI) lost during two stages translation +Description of problem: +I noticed that the BTI faults were not reported. +That's because the GP (guarded page) information is lost during the two stages translation in get_phys_addr_twostage(). +The "guarded" information is correctly retrieved by the first call to get_phys_addr_nogpc() but overwritten by the the second call to get_phys_addr_nogpc(). +The call to combine_cacheattrs() copies cacheattrs1.guarded but this field is never modified. + +The attached patch fixes the issue for me. +[get_phys_addr_twostage_bti_gp_bit_lost_master.patch](/uploads/2fbe8090f92c43a63e39ee66ab2daf47/get_phys_addr_twostage_bti_gp_bit_lost_master.patch) |