On Fri, Oct 13, 2023 at 06:52:09PM +0800, Hongren Zheng wrote: > .data of platform_device_info will be copied into .platform_data of > struct device via platform_device_add_data. > > However, vhcis[i] contains a spinlock, is dynamically allocated and > used by other code, so it is not meant to be copied. The workaround > was to use void *vhci as an agent, but it was removed in the commit > suggested below. > > This patch adds back the workaround and changes the way of using > platform_data accordingly. > > Reported-by: syzbot+e0dbc33630a092ccf033@xxxxxxxxxxxxxxxxxxxxxxxxx > Closes: https://lore.kernel.org/linux-usb/00000000000029242706077f3145@xxxxxxxxxx/ > Reported-by: syzbot+6867a9777f4b8dc4e256@xxxxxxxxxxxxxxxxxxxxxxxxx > Closes: https://lore.kernel.org/linux-usb/0000000000007634c1060793197c@xxxxxxxxxx/ > Fixes: b8aaf639b403 ("usbip: Use platform_device_register_full()") > Signed-off-by: Hongren Zheng <i@xxxxxxxxxxx> > --- Tested-by: syzbot+6867a9777f4b8dc4e256@xxxxxxxxxxxxxxxxxxxxxxxxx Link: https://lore.kernel.org/r/0000000000007ac87d0607979b6b@xxxxxxxxxx/
