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poll: add check for nfds

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Matheus
2026-04-01 16:51:12 -03:00
parent c46634fb07
commit e294f9814c
1 changed files with 5 additions and 0 deletions
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kernel-src/sys/syscalls/poll.c
+5
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@@ -16,6 +16,11 @@ syscallret_t syscall_poll(context_t *, pollfd_t *fds, size_t nfds, int timeoutms
.ret = -1
};
if (nfds > FDTABLE_LIMIT) {
ret.errno = EINVAL;
return ret;
}
size_t fdsbuffsize = nfds * sizeof(pollfd_t);
pollfd_t *fdsbuff = alloc(fdsbuffsize);
if (fdsbuff == NULL) {