Re: [PULL 00/11] QEMU changes for 2021-03-02

[Peter Maydell]

On Wed, 2 Mar 2022 at 18:26, Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> The following changes since commit 99c53410bc9d50e556f565b0960673cccb566452:
>
>   Merge remote-tracking branch 
> 'remotes/thuth-gitlab/tags/pull-request-2022-02-28' into staging (2022-03-01 
> 13:25:54 +0000)
>
> are available in the Git repository at:
>
>   https://gitlab.com/bonzini/qemu.git tags/for-upstream
>
> for you to fetch changes up to 9e685c6c574a9e1f1e3affbb900f7c38fb4bff6e:
>
>   target/i386: Throw a #SS when loading a non-canonical IST (2022-03-02 
> 10:38:40 +0100)
>
> ----------------------------------------------------------------
> * whpx fixes in preparation for GDB support (Ivan)
> * VSS header fixes (Marc-André)
> * Add 5-level EPT support to vmxcap (Vitaly)
> * Bundle changes to MSI routes (Longpeng)
> * More precise emulation of #SS (Gareth)
>
> ----------------------------------------------------------------

build-oss-fuzz detects a new memory leak:
https://gitlab.com/qemu-project/qemu/-/jobs/2155668404

==7088==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 7200 byte(s) in 9 object(s) allocated from:
#0 0x5645ae447747 in __interceptor_calloc
(/builds/qemu-project/qemu/build-oss-fuzz/tests/qtest/qos-test+0x25c747)
#1 0x7f79c6b36510 in g_malloc0 (/lib64/libglib-2.0.so.0+0x5a510)
#2 0x5645ae48044a in walk_path
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/qos-test.c:225:23
#3 0x5645ae4cf97e in qos_traverse_graph
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/libqos/qgraph.c:417:17
#4 0x5645ae4cf97e in qos_graph_foreach_test_path
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/libqos/qgraph.c:737:5
#5 0x5645ae4801c4 in main
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/qos-test.c:334:5
#6 0x7f79c65e555f in __libc_start_call_main (/lib64/libc.so.6+0x2d55f)
#7 0x7f79c65e560b in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x2d60b)
#8 0x5645ae39fba4 in _start
(/builds/qemu-project/qemu/build-oss-fuzz/tests/qtest/qos-test+0x1b4ba4)
Indirect leak of 1152 byte(s) in 9 object(s) allocated from:
#0 0x5645ae44792f in __interceptor_realloc
(/builds/qemu-project/qemu/build-oss-fuzz/tests/qtest/qos-test+0x25c92f)
#1 0x7f79c6b3664f in g_realloc (/lib64/libglib-2.0.so.0+0x5a64f)
#2 0x7f79c6b5260b in g_string_sized_new (/lib64/libglib-2.0.so.0+0x7660b)
#3 0x5645ae480487 in walk_path
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/qos-test.c:232:25
#4 0x5645ae4cf97e in qos_traverse_graph
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/libqos/qgraph.c:417:17
#5 0x5645ae4cf97e in qos_graph_foreach_test_path
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/libqos/qgraph.c:737:5
#6 0x5645ae4801c4 in main
/builds/qemu-project/qemu/build-oss-fuzz/../tests/qtest/qos-test.c:334:5
#7 0x7f79c65e555f in __libc_start_call_main (/lib64/libc.so.6+0x2d55f)
#8 0x7f79c65e560b in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x2d60b)
#9 0x5645ae39fba4 in _start
(/builds/qemu-project/qemu/build-oss-fuzz/tests/qtest/qos-test+0x1b4ba4)
SUMMARY: AddressSanitizer: 8352 byte(s) leaked in 18 allocation(s).
(test program exited with status code 1)


thanks
-- PMM