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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-07-05 09:40:34 +0100
committerAlex Bennée <alex.bennee@linaro.org>2024-07-05 12:34:48 +0100
commit2089a2e5bb81a258b7d30bf51a2ab7447ecc4e7f (patch)
tree30cf8ac1621c592129fb1c983e94af38eef88bad /plugins/core.c
parent3b8550c955ccd0a31667414d69a469bfdb7a56ff (diff)
plugins: Ensure vCPU index is assigned in init/exit hooks
Since vCPUs are hashed by their index, this index can't be uninitialized (UNASSIGNED_CPU_INDEX). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Message-Id: <20240606124010.2460-2-philmd@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240705084047.857176-28-alex.bennee@linaro.org>
Diffstat (limited to 'plugins/core.c')
-rw-r--r--plugins/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/plugins/core.c b/plugins/core.c
index 9d737d8278..a864275ae7 100644
--- a/plugins/core.c
+++ b/plugins/core.c
@@ -245,6 +245,7 @@ void qemu_plugin_vcpu_init_hook(CPUState *cpu)
{
bool success;
+ assert(cpu->cpu_index != UNASSIGNED_CPU_INDEX);
qemu_rec_mutex_lock(&plugin.lock);
plugin.num_vcpus = MAX(plugin.num_vcpus, cpu->cpu_index + 1);
plugin_cpu_update__locked(&cpu->cpu_index, NULL, NULL);
@@ -263,6 +264,7 @@ void qemu_plugin_vcpu_exit_hook(CPUState *cpu)
plugin_vcpu_cb__simple(cpu, QEMU_PLUGIN_EV_VCPU_EXIT);
+ assert(cpu->cpu_index != UNASSIGNED_CPU_INDEX);
qemu_rec_mutex_lock(&plugin.lock);
success = g_hash_table_remove(plugin.cpu_ht, &cpu->cpu_index);
g_assert(success);