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Kernel: Handle OOM from KBuffer creation in sys$module()

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Brian Gianforcaro 2021-08-01 04:01:05 -07:00 • committed by Andreas Kling
commit 187c086270
Notes: sideshowbarker 2024-07-18 07:31:44 +09:00
1 changed files with 5 additions and 3 deletions
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8
Kernel/Syscalls/module.cpp
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@ -35,10 +35,12 @@ KResultOr<FlatPtr> Process::sys$module_load(Userspace<const char*> user_path, si
return payload_or_error.error(); return payload_or_error.error();
auto& payload = *payload_or_error.value(); auto& payload = *payload_or_error.value();
auto storage = KBuffer::create_with_size(payload.size()); auto storage = KBuffer::try_create_with_size(payload.size());
memcpy(storage.data(), payload.data(), payload.size()); if (!storage)
return ENOMEM;
memcpy(storage->data(), payload.data(), payload.size());
auto elf_image = try_make<ELF::Image>(storage.data(), storage.size()); auto elf_image = try_make<ELF::Image>(storage->data(), storage->size());
if (!elf_image) if (!elf_image)
return ENOMEM; return ENOMEM;
if (!elf_image->parse()) if (!elf_image->parse())