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Kernel: Use copy_typed_from_user<T> for fetching syscall parameters
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d7e5768763
commit
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24 changed files with 42 additions and 81 deletions
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@ -128,9 +128,7 @@ KResultOr<FlatPtr> Process::sys$mmap(Userspace<const Syscall::SC_mmap_params*> u
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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Syscall::SC_mmap_params params;
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TRY(copy_from_user(¶ms, user_params));
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auto params = TRY(copy_typed_from_user(user_params));
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FlatPtr addr = params.addr;
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auto size = params.size;
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@ -467,9 +465,7 @@ KResultOr<FlatPtr> Process::sys$set_mmap_name(Userspace<const Syscall::SC_set_mm
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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Syscall::SC_set_mmap_name_params params;
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TRY(copy_from_user(¶ms, user_params));
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auto params = TRY(copy_typed_from_user(user_params));
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if (params.name.length > PATH_MAX)
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return ENAMETOOLONG;
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@ -504,9 +500,7 @@ KResultOr<FlatPtr> Process::sys$mremap(Userspace<const Syscall::SC_mremap_params
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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Syscall::SC_mremap_params params {};
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TRY(copy_from_user(¶ms, user_params));
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auto params = TRY(copy_typed_from_user(user_params));
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auto old_range = TRY(expand_range_to_page_boundaries((FlatPtr)params.old_address, params.old_size));
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