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ALSA: usx2y: validate nrpacks module parameter on probe

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[ Upstream commit 172a0f5097 ]

The module parameter defines number of iso packets per one URB. User is
allowed to set any value to the parameter of type int, which can lead to
various kinds of weird and incorrect behavior like integer overflows,
truncations, etc. Number of packets should be a small non-negative number.

Since this parameter is read-only, its value can be validated on driver
probe.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Murad Masimov <m.masimov@mt-integration.ru>
Link: https://patch.msgid.link/20250303100413.835-1-m.masimov@mt-integration.ru
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Murad Masimov 2025-03-03 13:04:13 +03:00 • committed by Greg Kroah-Hartman
commit 48eb7e67c1
3 changed files with 37 additions and 27 deletions
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