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(parent: eef0a4b) | patch
thermal: core: prevent potential string overflow
authorDan Carpenter <dan.carpenter@linaro.org>
Sat, 7 Oct 2023 08:59:39 +0000 (11:59 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 20 Nov 2023 09:27:33 +0000 (10:27 +0100)
commitb55f0a9f865be75ca1019aad331f3225f7b50ce8
tree50a56e718a3ab3221b45c67dc71ffaa4337d8c56tree
parenteef0a4b2ede9e079018dfcb2c5fd6c3210f4e944commit | diff
thermal: core: prevent potential string overflow

[ Upstream commit c99626092efca3061b387043d4a7399bf75fbdd5 ]

The dev->id value comes from ida_alloc() so it's a number between zero
and INT_MAX.  If it's too high then these sprintf()s will overflow.

Fixes: 203d3d4aa482 ("the generic thermal sysfs driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/thermal/thermal_core.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git