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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 16:27:09 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 16:27:09 +0000 |
| commit | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (patch) | |
| tree | 4010d5fb3e8bc48c110a2c1ff2a16b8648cb86bb /results/classifier/accel-gemma3:12b/tcg/1065 | |
| parent | 5541099586dbd6018574cb44e1934907c121526f (diff) | |
| download | emulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.tar.gz emulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.zip | |
add gemma accelerator classification results
Diffstat (limited to 'results/classifier/accel-gemma3:12b/tcg/1065')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/tcg/1065 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/tcg/1065 b/results/classifier/accel-gemma3:12b/tcg/1065 new file mode 100644 index 00000000..59be2869 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/tcg/1065 @@ -0,0 +1,6 @@ + +cputlb: uninitialized local variable in tlb_set_page_with_attrs cause SIGSEGV when a CPU access an unmapped IOMMU page +Description of problem: +When a TCG cpu accesses an unmapped page within an IOMMU region that causes a translation fault, QEMU SIGSEGVs in `io_readx`. +The reason was that in `address_space_translate_for_iotlb`, `xlat` is not set on a permission fault. +As a result, `xlat` in `tlb_set_page_with_attr` is uninitialized. This in turn causes various mis-calculation and eventually crashes in `io_readx`. |