https://bugzilla.mindrot.org/show_bug.cgi?id=3345
Bug ID: 3345
Summary: sshd freeze when build without HAVE_PSELECT
Product: Portable OpenSSH
Version: 8.7p1
Hardware: Itanium
OS: Other
Status: NEW
Severity: normal
Priority: P5
Component: sshd
Assignee: unassigned-b...@mindrot.org
Reporter: yaroslav.kuz...@vmssoftware.com
In openbsd-compat/bsd-pselect.c file in pselect() function.
Line 196 incorrect call to select() function.
If unmasked !=0 , nfds need +1
8 if (unmasked) {
7 pselect_notify_setup();
6 pselect_notify_prepare(readfds);
5 nfds = MAX(nfds, notify_pipe[0]);
4 }
3
2 /* Unmask signals, call select then restore signal mask. */
1 sigprocmask(SIG_SETMASK, mask, &osig);
196 ret = select(nfds, readfds, writefds, exceptfds, tvp);
1 saved_errno = errno;
2 sigprocmask(SIG_SETMASK, &osig, NULL);
3
4 if (unmasked)
5 pselect_notify_done(readfds);
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