| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 23 Jun 2015 15:17:23 -0400 From: Benjamin Tissoires <benjamin.tissoires@...hat.com> To: Dmitry Torokhov <dmitry.torokhov@...il.com>, Andrew Duggan <aduggan@...aptics.com>, Christopher Heiny <cheiny@...aptics.com>, Allie Xiong <axiong@...aptics.com> Cc: Stephen Chandler Paul <cpaul@...hat.com>, benjamin.tissoires@...il.com, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, Benjamin Tissoires <benjamin.tissoires@...hat.com> Subject: [PATCH 04/11] Input: synaptics-rmi4 - prevent oopses when irq arrives while the device is not bound If the device has been registered but is not populated, we should not process any incoming interrupt. Make sure the pointers we are following are valid. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com> --- drivers/input/rmi4/rmi_driver.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index 2fdc7e8..fe5f2f9 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -279,6 +279,9 @@ int rmi_process_interrupt_requests(struct rmi_device *rmi_dev) struct rmi_function *entry; int error; + if (!data || !data->f01_container || !data->irq_status) + return 0; + error = rmi_read_block(rmi_dev, data->f01_container->fd.data_base_addr + 1, data->irq_status, data->num_of_irq_regs); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists