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authorViorel Suman <viorel.suman@nxp.com>2019-08-29 13:17:33 +0300
committerViorel Suman <viorel.suman@nxp.com>2019-12-10 13:28:22 +0200
commit4c4b7df6f93eb17509c38ff14ffe416db70cb6b2 (patch)
treea428bc3f2f2153316855fd2c3c2b5060b250cff9 /sound/soc/fsl/fsl_sai.h
parentb02e98612087bdf019840c4ccf0d6ffcd667afc4 (diff)
MLK-22522: ASoC: fsl_sai: fix stack-out-of-bounds KASAN complain
Fix the following KASAN reported issue: ================================================================== [ 11.580278] BUG: KASAN: stack-out-of-bounds in find_next_bit+0x3c/0xc0 [ 11.586815] Read of size 8 at addr ffffffc8c8d4f760 by task swapper/0/1 [ 11.593440] [ 11.594943] CPU: 4 PID: 1 Comm: swapper/0 Tainted: G W 4.19.35-05042-g. #157 [ 11.604259] Hardware name: Freescale i.MX8QM MEK (DT) [ 11.609323] Call trace: [ 11.611785] dump_backtrace+0x0/0x230 [ 11.615458] show_stack+0x14/0x20 [ 11.618787] dump_stack+0xbc/0xf4 [ 11.622118] print_address_description+0x60/0x270 [ 11.626830] kasan_report+0x230/0x360 [ 11.630505] __asan_load8+0x84/0xa8 [ 11.634005] find_next_bit+0x3c/0xc0 [ 11.637595] fsl_sai_calc_dl_off+0x1c/0x50 [ 11.641703] fsl_sai_read_dlcfg+0x184/0x368 [ 11.645898] fsl_sai_probe+0x3ec/0xb48 [ 11.649663] platform_drv_probe+0x70/0xd8 [ 11.653683] really_probe+0x24c/0x370 [ 11.657358] driver_probe_device+0x70/0x138 [ 11.661554] __driver_attach+0x124/0x128 [ 11.665489] bus_for_each_dev+0xe8/0x158 [ 11.669425] driver_attach+0x30/0x40 [ 11.673012] bus_add_driver+0x290/0x308 [ 11.676861] driver_register+0xbc/0x1d0 [ 11.680711] __platform_driver_register+0x7c/0x88 [ 11.685431] fsl_sai_driver_init+0x18/0x20 [ 11.689537] do_one_initcall+0xe8/0x5a8 [ 11.693387] kernel_init_freeable+0x6b0/0x760 [ 11.697759] kernel_init+0x10/0x120 [ 11.701255] ret_from_fork+0x10/0x18 .... ================================================================== [ 11.800186] Disabling lock debugging due to kernel taint Signed-off-by: Viorel Suman <viorel.suman@nxp.com> Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Diffstat (limited to 'sound/soc/fsl/fsl_sai.h')
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