diff options
Diffstat (limited to 'results/classifier/108/graphic/1950')
| -rw-r--r-- | results/classifier/108/graphic/1950 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/results/classifier/108/graphic/1950 b/results/classifier/108/graphic/1950 new file mode 100644 index 00000000..a6f48413 --- /dev/null +++ b/results/classifier/108/graphic/1950 @@ -0,0 +1,24 @@ +graphic: 0.946 +performance: 0.874 +device: 0.872 +network: 0.860 +files: 0.827 +socket: 0.798 +vnc: 0.776 +PID: 0.740 +debug: 0.654 +semantic: 0.614 +permissions: 0.588 +boot: 0.542 +other: 0.413 +KVM: 0.325 + +[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) |