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Diffstat (limited to 'results/classifier/gemma3:12b/kernel/1950')
| -rw-r--r-- | results/classifier/gemma3:12b/kernel/1950 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/kernel/1950 b/results/classifier/gemma3:12b/kernel/1950 new file mode 100644 index 000000000..4762d0dcb --- /dev/null +++ b/results/classifier/gemma3:12b/kernel/1950 @@ -0,0 +1,10 @@ + +[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) |