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libkernel: Check returned module in sceKernelGetModuleInfoFromAddr (#3147)

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* Error if the module doesn't exist

Fixes another thing kalaposfos found

* Fix error returns

Based on 11.00 libkernel decomp.
This commit is contained in:
Stephen Miller 2025-06-23 03:32:43 -05:00 • committed by GitHub
parent 4bfa8c9fc7
commit 12198f9255
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GPG key ID: B5690EEEBB952194
1 changed files with 14 additions and 2 deletions
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16
src/core/libraries/kernel/process.cpp
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@ -103,7 +103,7 @@ s32 PS4_SYSV_ABI sceKernelGetModuleInfoForUnwind(VAddr addr, s32 flags,
auto* linker = Common::Singleton<Core::Linker>::Instance();
auto* module = linker->FindByAddress(addr);
if (!module) {
return ORBIS_KERNEL_ERROR_EFAULT;
return ORBIS_KERNEL_ERROR_ESRCH;
}
const auto mod_info = module->GetModuleInfoEx();
@ -118,11 +118,23 @@ s32 PS4_SYSV_ABI sceKernelGetModuleInfoForUnwind(VAddr addr, s32 flags,
return ORBIS_OK;
}
int PS4_SYSV_ABI sceKernelGetModuleInfoFromAddr(VAddr addr, int flags,
s32 PS4_SYSV_ABI sceKernelGetModuleInfoFromAddr(VAddr addr, s32 flags,
Core::OrbisKernelModuleInfoEx* info) {
if (flags >= 3) {
std::memset(info, 0, sizeof(Core::OrbisKernelModuleInfoEx));
return ORBIS_KERNEL_ERROR_EINVAL;
}
if (info == nullptr) {
return ORBIS_KERNEL_ERROR_EFAULT;
}
LOG_INFO(Lib_Kernel, "called addr = {:#x}, flags = {:#x}", addr, flags);
auto* linker = Common::Singleton<Core::Linker>::Instance();
auto* module = linker->FindByAddress(addr);
if (!module) {
return ORBIS_KERNEL_ERROR_ESRCH;
}
*info = module->GetModuleInfoEx();
return ORBIS_OK;
}