gpio: sim: dispose of irq mappings before destroying the irq_sim domain

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[ Upstream commit ab4109f91b ]

If a GPIO simulator device is unbound with interrupts still requested,
we will hit a use-after-free issue in __irq_domain_deactivate_irq(). The
owner of the irq domain must dispose of all mappings before destroying
the domain object.

Fixes: cb8c474e79 ("gpio: sim: new testing module")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Bartosz Golaszewski 2023-08-22 21:29:42 +02:00 • committed by Greg Kroah-Hartman

parent c6e1fcd50c

commit 14540aa3ea

1 changed files with 13 additions and 0 deletions

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drivers/gpio/gpio-sim.c

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