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Re: [PATCH V6 00/24] Live update: cpr-transfer


From: Steven Sistare
Subject: Re: [PATCH V6 00/24] Live update: cpr-transfer
Date: Wed, 15 Jan 2025 12:54:43 -0500
User-agent: Mozilla Thunderbird

On 1/15/2025 9:52 AM, Fabiano Rosas wrote:
Fabiano Rosas <farosas@suse.de> writes:

Hi Steve,

The CI shows some issues, please take a look:

https://gitlab.com/farosas/qemu/-/pipelines/1624984802

The asan build is also upset:

../configure --target-list=x86_64-softmmu --disable-docs \
--python=/usr/bin/python3.11 --disable-plugins --enable-debug \
--enable-asan --cc=clang

QTEST_QEMU_BINARY=../build/qemu-system-x86_64 \
./tests/qtest/migration-test -p /x86_64/migration/mode/transfer


Direct leak of 392 byte(s) in 1 object(s) allocated from:
     ...
     #2 0x5607648c3fd0 in object_new ../qom/object.c:789:12
     #3 0x5607649a3da3 in qio_channel_socket_new ../io/channel-socket.c:64:31
     #4 0x560763f59845 in cpr_transfer_output ../migration/cpr-transfer.c:28:34

Direct leak of 392 byte(s) in 1 object(s) allocated from:
     ...
     #2 0x55dfe6727fd0 in object_new ../qom/object.c:789:12
     #3 0x55dfe6807da3 in qio_channel_socket_new ../io/channel-socket.c:64:31

Direct leak of 120 byte(s) in 5 object(s) allocated from:
     ...
     #2 0x55dfe67fc671 in qemu_peek_byte ../migration/qemu-file.c:777:9

Direct leak of 104 byte(s) in 1 object(s) allocated from:
     ...
     #2 0x55dfe6727fd0 in object_new ../qom/object.c:789:12
     #3 0x55dfe6825e0f in qio_net_listener_new ../io/net-listener.c:29:29
     #4 0x55dfe5dbdad4 in cpr_transfer_input ../migration/cpr-transfer.c:57:36

Direct leak of 24 byte(s) in 1 object(s) allocated from:
     ...
     #2 0x55dfe67fc671 in qemu_peek_byte ../migration/qemu-file.c:777:9
     #3 0x55dfe67fc7ad in qemu_get_byte ../migration/qemu-file.c:790:14
     #4 0x55dfe67ffc1b in qemu_get_be32 ../migration/qemu-file.c:840:23
     #5 0x55dfe5dbc584 in cpr_state_load ../migration/cpr.c:189:9

Thanks very much, I have root caused all of these and will post V9 with
all fixes soon.

- Steve




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