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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-21 21:21:26 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-21 21:21:26 +0200 |
| commit | 4b927bc37359dec23f67d3427fc982945f24f404 (patch) | |
| tree | 245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_missing/host_missing/accel_TCG/947.toml | |
| parent | aa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff) | |
| download | qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.zip | |
add gitlab issues in toml format
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_TCG/947.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_TCG/947.toml | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_TCG/947.toml b/gitlab/issues/target_missing/host_missing/accel_TCG/947.toml new file mode 100644 index 000000000..63352d7ba --- /dev/null +++ b/gitlab/issues/target_missing/host_missing/accel_TCG/947.toml @@ -0,0 +1,23 @@ +id = 947 +title = "TCG AARCH64 Segmentation fault when helper function is called" +state = "closed" +created_at = "2022-03-29T08:05:56.647Z" +closed_at = "2022-03-31T20:02:06.238Z" +labels = ["Closed::Fixed", "accel: TCG", "kind::Bug"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/947" +host-os = "Windows 11" +host-arch = "ARM64" +qemu-version = "6.2.90" +guest-os = "n/a" +guest-arch = "n/a" +description = """Segmentation fault in the TCG thread. +The issue occurs in the generated code when branching to (helper)lookup_tb_ptr (see op longs). +It seems that the generated instruction don't load the upper32 of the address of lookup_tb_ptr in the register before branching to it. According to LLDB, the program tries to access 0x1cffe060 while the right address 0x7ff71cffe060 (see debugger logs).""" +reproduce = "n/a" +additional = """The issue seems to be located at https://gitlab.com/qemu-project/qemu/-/blob/master/tcg/aarch64/tcg-target.c.inc#L1091 +`t2 = t1 & ~(0xffffUL << s1);`. +The fix would be `t2 = t1 & ~(0xffffULL << s1);` + + +[lldb.log](/uploads/6a1d57eaecae4a375c6ada7384489876/lldb.log) +[qemu_segmentation.log](/uploads/e3c2d6d42291ff7d1ff8d37341e3da1d/qemu_segmentation.log)""" |