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checker: add int signedness mismatch checking for function call arguments (#16750)

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This commit is contained in:
Felipe Pena
2022-12-24 01:28:35 -03:00
committed by GitHub
parent 0128d2dd1c
commit 6a179a2926
6 changed files with 67 additions and 9 deletions
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4
vlib/builtin/linux_bare/linux_syscalls.v
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@ -251,7 +251,7 @@ fn sys_close(fd i64) Errno {
}
// 9 sys_mmap
fn sys_mmap(addr &byte, len u64, prot MemProt, flags MapFlags, fildes u64, off u64) (&byte, Errno) {
fn sys_mmap(addr &byte, len u64, prot MemProt, flags MapFlags, fildes i64, off u64) (&byte, Errno) {
rc := sys_call6(9, u64(addr), len, u64(prot), u64(flags), fildes, off)
a, e := split_int_errno(rc)
return &u8(a), e
@ -409,7 +409,7 @@ fn sys_call5(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64) u64 {
return res
}
fn sys_call6(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64, arg6 u64) u64 {
fn sys_call6(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 i64, arg6 u64) u64 {
mut res := u64(0)
asm amd64 {
mov r10, arg4