OmniNX/Atmosphere-Pro
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kern: reject shadow stack accesses in syscalls

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Alula committed 2026-09-15 17:04:50 +02:00
1 parent 7e58f5fbae
commit dbfe192b2f
15 files changed
+60 -29
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libraries/libmesosphere/source/svc/kern_svc_process.cpp
+2 -2
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@@ -79,7 +79,7 @@ namespace ams::kern::svc {
/* Validate that the pointer is in range. */
if (max_out_count > 0) {
R_UNLESS(GetCurrentProcess().GetPageTable().Contains(KProcessAddress(out_process_ids.GetUnsafePointer()), max_out_count * sizeof(u64)), svc::ResultInvalidCurrentMemory());
R_UNLESS(GetCurrentProcess().GetPageTable().IsSafeUserPointer(KProcessAddress(out_process_ids.GetUnsafePointer()), max_out_count * sizeof(u64)), svc::ResultInvalidPointer());
}
/* Get the process list. */
@@ -128,7 +128,7 @@ namespace ams::kern::svc {
R_UNLESS(((num_caps * sizeof(u32)) / sizeof(u32)) == static_cast<size_t>(num_caps), svc::ResultInvalidPointer());
/* Validate that the pointer is in range. */
R_UNLESS(GetCurrentProcess().GetPageTable().Contains(KProcessAddress(user_caps.GetUnsafePointer()), num_caps * sizeof(u32)), svc::ResultInvalidPointer());
R_UNLESS(GetCurrentProcess().GetPageTable().IsSafeUserPointer(KProcessAddress(user_caps.GetUnsafePointer()), num_caps * sizeof(u32)), svc::ResultInvalidPointer());
}
/* Validate that the parameter flags are valid. */