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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:15 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:28 +0200 |
| commit | 5aa276efcbd67f4300ca1a7f809c6e00aadb03da (patch) | |
| tree | 9b8f0e074014cda8d42f5a97a95bc25082d8b764 /results/classifier/zero-shot-user-mode/output/instruction/947 | |
| parent | 1a3c4faf4e0a25ed0b86e8739d5319a634cb9112 (diff) | |
| download | emulator-bug-study-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.tar.gz emulator-bug-study-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.zip | |
restructure results
Diffstat (limited to 'results/classifier/zero-shot-user-mode/output/instruction/947')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/output/instruction/947 | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/results/classifier/zero-shot-user-mode/output/instruction/947 b/results/classifier/zero-shot-user-mode/output/instruction/947 deleted file mode 100644 index fbabfbaa..00000000 --- a/results/classifier/zero-shot-user-mode/output/instruction/947 +++ /dev/null @@ -1,19 +0,0 @@ -instruction: 0.760 -runtime: 0.142 -syscall: 0.098 - - - -TCG AARCH64 Segmentation fault when helper function is called -Description of problem: -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). -Additional information: -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) |