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core: check the unit type more thoroughly when deserializing

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Resolves: #27523
This commit is contained in:
Frantisek Sumsal 2023-05-04 16:56:28 +02:00
parent cc938f1ce0
commit 24e91e08f8
2 changed files with 7 additions and 1 deletions
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4
src/core/unit.c
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@ -6162,7 +6162,9 @@ int activation_details_deserialize(const char *key, const char *value, Activatio
return -EINVAL;
t = unit_type_from_string(value);
if (t == _UNIT_TYPE_INVALID)
/* The activation details vtable has defined ops only for path
* and timer units */
if (!IN_SET(t, UNIT_PATH, UNIT_TIMER))
return -EINVAL;
*details = malloc0(activation_details_vtable[t]->object_size);

4
test/fuzz/fuzz-manager-serialize/clusterfuzz-testcase-minimized-fuzz-manager-serialize-6207619447259136.fuzz Normal file
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@ -0,0 +1,4 @@
d.socket
job
activation-details-unit-type=service