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Kernel: Don't allow sys$msyscall() on non-mmap regions

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This commit is contained in:
Andreas Kling
2021-02-02 20:16:13 +01:00
parent 603d36c599
commit d4dd4a82bb
1 changed files with 3 additions and 0 deletions
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3
Kernel/Syscalls/mmap.cpp
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@@ -564,6 +564,9 @@ int Process::sys$msyscall(void* address)
if (!region)
return -EINVAL;
if (!region->is_mmap())
return -EINVAL;
region->set_syscall_region(true);
return 0;
}