diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_TCG/2030')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_TCG/2030 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_TCG/2030 b/gitlab/issues_text/target_missing/host_missing/accel_TCG/2030 new file mode 100644 index 000000000..421389bfe --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_TCG/2030 @@ -0,0 +1,17 @@ +Unreachable code +Description of problem: +There is always a false condition in the function `alloc_code_gen_buffer_splitwx_memfd` in the file `tcg/region.c`. If `buf_rw == NULL` we go to the mark __fail__: + +https://gitlab.com/qemu-project/qemu/-/blob/master/tcg/region.c?ref_type=heads#L580-L583 + +But the value of `buf_rx` is __`MAP_FAILED`__: + +https://gitlab.com/qemu-project/qemu/-/blob/master/tcg/region.c?ref_type=heads#L577 + +And this line will never be reached: + +https://gitlab.com/qemu-project/qemu/-/blob/master/tcg/region.c?ref_type=heads#L601 + +Found by Linux Verification Center (portal.linuxtesting.ru) with SVACE. + +Author A. Voronin. |