Description: ALSA: usb-audio: Fix a stack buffer overflow bug in check_input_term
References:
 https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=19bce474c45be69a284ecee660aa12d8f1e88f18
 https://lore.kernel.org/lkml/20190815043554.16623-1-benquike@gmail.com/
Notes:
 bwh> This is actually a stack overflow (unbounded recursion), not a
 bwh> stack buffer overflow.
Bugs:
upstream: released (5.3-rc5) [19bce474c45be69a284ecee660aa12d8f1e88f18]
4.19-upstream-stable: released (4.19.68) [46f9a1bc60a4c15a14a6504168cee1c2e0bf3ab4]
4.9-upstream-stable: released (4.9.191) [2bac3a35488148f066d355ebfe44a872aa9a7546]
3.16-upstream-stable: released (3.16.74) [d6e2b6dd35b6f83fd0166745d8ca65f191a3a468]
sid: released (5.2.17-1)
4.19-buster-security: released (4.19.67-2+deb10u1) [bugfix/all/ALSA-usb-audio-Fix-a-stack-buffer-overflow-bug-in-check_input_term.patch]
4.9-stretch-security: released (4.9.189-3+deb9u1) [bugfix/all/ALSA-usb-audio-Fix-a-stack-buffer-overflow-bug-in-ch.patch]
3.16-jessie-security: released (3.16.74-1)