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Jamey Sharp authored
Xlib built --without-xcb is also vulnerable to this race, and a similar fix might work there too. Also, use an XID that's truly invalid while waiting for the next XID to be requested.
cc19618d
Xlib built --without-xcb is also vulnerable to this race, and a similar fix might work there too. Also, use an XID that's truly invalid while waiting for the next XID to be requested.