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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-03 12:04:13 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-03 12:04:13 +0000 |
| commit | 256709d2eb3fd80d768a99964be5caa61effa2a0 (patch) | |
| tree | 05b2352fba70923126836a64b6a0de43902e976a /results/classifier/105/instruction/1416 | |
| parent | 2ab14fa96a6c5484b5e4ba8337551bb8dcc79cc5 (diff) | |
| download | qemu-analysis-256709d2eb3fd80d768a99964be5caa61effa2a0.tar.gz qemu-analysis-256709d2eb3fd80d768a99964be5caa61effa2a0.zip | |
add new classifier result
Diffstat (limited to 'results/classifier/105/instruction/1416')
| -rw-r--r-- | results/classifier/105/instruction/1416 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/results/classifier/105/instruction/1416 b/results/classifier/105/instruction/1416 new file mode 100644 index 000000000..4426c8f2f --- /dev/null +++ b/results/classifier/105/instruction/1416 @@ -0,0 +1,18 @@ +instruction: 0.926 +device: 0.851 +network: 0.824 +graphic: 0.801 +mistranslation: 0.735 +socket: 0.649 +other: 0.641 +vnc: 0.553 +semantic: 0.439 +boot: 0.362 +assembly: 0.233 +KVM: 0.049 + +MTE tags are applied at page granularity (4K) instead of tag granularity (16) +Description of problem: +After upgrading to QEMU v7.2.0 from v7.1.0, when executing stg/ldg instructions on any address, QEMU behaves as if the instruction was executed on the page base of said address. + +I believe this was introduced in b8967ddf393aaf35fdbc07b4cb538a40f8b6fe37 (@rth7680), since in that commit `ptr_paddr` is changed to be calculated based on `CPUTLBEntryFull::phys_addr`, which contains the page base address, while beforehand it was calculated based on `host` which does have the page offset applied. |