babyhuey 9f5b24630d fix(libkernel): return EFAULT from pselect for an unreadable timeout or signal mask ...

pselect read its timeout directly, passed the guest signal mask straight
to SetSignalMaskCatching_nid_no_patch, which dereferences it, and saved
and restored the descriptor sets with memcpy after a caught signal, so a
non-null pointer into unmapped or read-only memory crashed the host. It
now copies the timeout and the mask in with GuestCopyIn_nid_no_patch,
as FreeBSD's sys_pselect does before changing the mask, and saves and
restores the sets with GuestCopyIn_nid_no_patch and
GuestCopyOut_nid_no_patch, failing with EFAULT. A bad timeout or mask
leaves the thread's signal mask unchanged.

2026-10-28 12:18:17 -04:00

..

include

fix(net): preserve IPv6 socket option bridges in patched modules

2026-10-26 19:16:52 +08:00

src

fix(libkernel): return EFAULT from pselect for an unreadable timeout or signal mask

2026-10-28 12:18:17 -04:00