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syscalls/shutdown: add argument validity check

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Matheus
2026-04-01 17:03:30 -03:00
parent b74357f39b
commit e34e9e4881
1 changed files with 6 additions and 1 deletions
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kernel-src/sys/syscalls/shutdown.c
+6 -1
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@@ -13,8 +13,13 @@ syscallret_t syscall_shutdown(context_t *, int fd, int how) {
.ret = -1 .ret = -1
}; };
if (how > 2) {
ret.errno = EINVAL;
return ret;
}
++how; // convert to internal meaning ++how; // convert to internal meaning
file_t *file = fd_get(fd); file_t *file = fd_get(fd);
if (file == NULL) { if (file == NULL) {
ret.errno = EBADF; ret.errno = EBADF;