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fuzz-syscalls: Mark sys$emuctl() as someone who returns ENOSYS

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This syscall is only relevant inside UserspaceEmulator and the kernel
will just return ENOSYS for it.
This commit is contained in:
Andreas Kling 2021-03-10 16:36:11 +01:00
parent 9b5c9efd73
commit a77ecac900
Notes: sideshowbarker 2024-07-18 21:32:59 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/a77ecac9009
1 changed files with 2 additions and 2 deletions
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4
Userland/Tests/Kernel/fuzz-syscalls.cpp
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@ -48,7 +48,7 @@ static bool is_unfuzzable_syscall(int fn)
static bool is_nosys_syscall(int fn)
{
return fn == SC_futex;
return fn == SC_futex || fn == SC_emuctl;
}
static bool is_bad_idea(int fn, const size_t* direct_sc_args, const size_t* fake_sc_params, const char* some_string)
@ -85,7 +85,7 @@ static void do_systematic_tests()
}
// This is pure torture
rc = syscall(Syscall::Function(i), 0xc0000001, 0xc0000002, 0xc0000003);
VERIFY(rc != -ENOSYS);
VERIFY(rc != -ENOSYS || is_nosys_syscall(i));
}
// Finally, test invalid syscalls: