Forwarded: [syzbot test] WARNING in usb_composite_setup_continue

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Subject: [syzbot test] WARNING in usb_composite_setup_continue
Author: tkdkei@xxxxxxxxxx

Hi,

Please test the attached targeted two-fix patch on the current USB testing branch.

This version limits the f_mass_storage change to fsg_setup(), preserving fsg_is_set() diagnostics in other internal paths.

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing

Thanks,
Keisuke Tsukuda