Commits
Sandor Yu committed 31baa62fc90
MLK-16597: hdmi: Fix kernel dump issue Kernel will dump when CONFIG_CC_STACKPROTECTOR_STRONG is enable. [ 2.675537] CDN_API_HDMITX_Set_Mode_blocking ret = 0 [ 2.675550] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffff000008ad5a50 [ 2.675550] [ 2.675557] CPU: 2 PID: 1553 Comm: kworker/2:2 Not tainted 4.9.56-641868-gead64f8 #12 [ 2.675559] Hardware name: Freescale i.MX8MQ EVK (DT) [ 2.675576] Workqueue: events deferred_probe_work_func [ 2.675578] Call trace: [ 2.675587] [<ffff00000808974c>] dump_backtrace+0x0/0x1d0 [ 2.675594] [<ffff000008089930>] show_stack+0x14/0x1c [ 2.675602] [<ffff000008401650>] dump_stack+0x8c/0xac [ 2.675609] [<ffff0000081b0b24>] panic+0x13c/0x2a8 [ 2.675617] [<ffff0000080c5ec4>] print_tainted+0x0/0xa4 [ 2.675624] [<ffff000008ad5a50>] Afe_write+0x0/0x50 [ 2.675632] [<ffff00000849aff0>] hdmi_init.constprop.3+0x188/0x1d0 [ 2.675638] [<ffff00000849b264>] imx_hdmi_probe+0x22c/0x2ac [ 2.675645] [<ffff0000086d543c>] platform_drv_probe+0x50/0xc8 [ 2.675650] [<ffff0000086d3530>] driver_probe_device+0x218/0x2b8 [ 2.675655] [<ffff0000086d3710>] __device_attach_driver+0x98/0xe8 [ 2.675660] [<ffff0000086d126c>] bus_for_each_drv+0x60/0xb0 [ 2.675665] [<ffff0000086d31bc>] __device_attach+0xd4/0x128 [ 2.675669] [<ffff0000086d38f8>] device_initial_probe+0x10/0x18 [ 2.675674] [<ffff0000086d275c>] bus_probe_device+0x90/0x98 [ 2.675679] [<ffff0000086d2bf0>] deferred_probe_work_func+0x7c/0xb0 [ 2.675685] [<ffff0000080e1580>] process_one_work+0x144/0x434 [ 2.675690] [<ffff0000080e1ec4>] worker_thread+0x200/0x4a4 [ 2.675696] [<ffff0000080e81f0>] kthread+0xf0/0x104 [ 2.675701] [<ffff000008082e80>] ret_from_fork+0x10/0x50 It is cause by array variable access exceed. Fixed it with correct array size. Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>