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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_arm/host_missing/accel_TCG/1412 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_arm/host_missing/accel_TCG/1412')
| -rw-r--r-- | gitlab/issues_text/target_arm/host_missing/accel_TCG/1412 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_arm/host_missing/accel_TCG/1412 b/gitlab/issues_text/target_arm/host_missing/accel_TCG/1412 new file mode 100644 index 000000000..4a807c443 --- /dev/null +++ b/gitlab/issues_text/target_arm/host_missing/accel_TCG/1412 @@ -0,0 +1,5 @@ +QEMU segfault (null pointer dereference) in sve_probe_page from ldff1* instructions +Description of problem: +After upgrading to QEMU v7.2.0 from v7.1.0, when executing any SVE ldff1* instructions with a faulting address, QEMU crashes due to a null pointer dereference at target/arm/sve_helper.c:5364 + +I believe this was introduced in b8967ddf393aaf35fdbc07b4cb538a40f8b6fe37 (@rth7680), since in that commit `full` is dereferenced before the `flags & TLB_INVALID_MASK` check at line 5369, and full is set to null by `probe_access_full` when `TLB_INVALID_MASK` is given. |