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cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
79 lines
2.9 KiB
Diff
79 lines
2.9 KiB
Diff
From 5d4e9c8371a2343c66123078dbde15438450b9a4 Mon Sep 17 00:00:00 2001
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From: Viorel Suman <viorel.suman@nxp.com>
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Date: Thu, 29 Aug 2019 13:17:33 +0300
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Subject: [PATCH] MLK-22522: ASoC: fsl_sai: fix stack-out-of-bounds KASAN
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complain
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Fix the following KASAN reported issue:
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==================================================================
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[ 11.580278] BUG: KASAN: stack-out-of-bounds in find_next_bit+0x3c/0xc0
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[ 11.586815] Read of size 8 at addr ffffffc8c8d4f760 by task swapper/0/1
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[ 11.593440]
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[ 11.594943] CPU: 4 PID: 1 Comm: swapper/0 Tainted: G W 4.19.35-05042-g. #157
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[ 11.604259] Hardware name: Freescale i.MX8QM MEK (DT)
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[ 11.609323] Call trace:
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[ 11.611785] dump_backtrace+0x0/0x230
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[ 11.615458] show_stack+0x14/0x20
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[ 11.618787] dump_stack+0xbc/0xf4
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[ 11.622118] print_address_description+0x60/0x270
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[ 11.626830] kasan_report+0x230/0x360
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[ 11.630505] __asan_load8+0x84/0xa8
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[ 11.634005] find_next_bit+0x3c/0xc0
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[ 11.637595] fsl_sai_calc_dl_off+0x1c/0x50
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[ 11.641703] fsl_sai_read_dlcfg+0x184/0x368
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[ 11.645898] fsl_sai_probe+0x3ec/0xb48
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[ 11.649663] platform_drv_probe+0x70/0xd8
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[ 11.653683] really_probe+0x24c/0x370
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[ 11.657358] driver_probe_device+0x70/0x138
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[ 11.661554] __driver_attach+0x124/0x128
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[ 11.665489] bus_for_each_dev+0xe8/0x158
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[ 11.669425] driver_attach+0x30/0x40
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[ 11.673012] bus_add_driver+0x290/0x308
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[ 11.676861] driver_register+0xbc/0x1d0
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[ 11.680711] __platform_driver_register+0x7c/0x88
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[ 11.685431] fsl_sai_driver_init+0x18/0x20
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[ 11.689537] do_one_initcall+0xe8/0x5a8
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[ 11.693387] kernel_init_freeable+0x6b0/0x760
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[ 11.697759] kernel_init+0x10/0x120
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[ 11.701255] ret_from_fork+0x10/0x18
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....
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==================================================================
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[ 11.800186] Disabling lock debugging due to kernel taint
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Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
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Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
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---
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sound/soc/fsl/fsl_sai.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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--- a/sound/soc/fsl/fsl_sai.c
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+++ b/sound/soc/fsl/fsl_sai.c
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@@ -1259,12 +1259,12 @@ static const struct of_device_id fsl_sai
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};
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MODULE_DEVICE_TABLE(of, fsl_sai_ids);
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-static unsigned int fsl_sai_calc_dl_off(unsigned int* dl_mask)
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+static unsigned int fsl_sai_calc_dl_off(unsigned long dl_mask)
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{
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int fbidx, nbidx, offset;
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- fbidx = find_first_bit((const unsigned long *)dl_mask, 8);
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- nbidx = find_next_bit((const unsigned long *)dl_mask, 8, fbidx+1);
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+ fbidx = find_first_bit(&dl_mask, 8);
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+ nbidx = find_next_bit(&dl_mask, 8, fbidx + 1);
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offset = nbidx - fbidx - 1;
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return (offset < 0 || offset >= 7 ? 0 : offset);
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@@ -1321,9 +1321,9 @@ static int fsl_sai_read_dlcfg(struct pla
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cfg[i].pins = pins;
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cfg[i].mask[0] = rx;
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- cfg[i].offset[0] = fsl_sai_calc_dl_off(&rx);
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+ cfg[i].offset[0] = fsl_sai_calc_dl_off(rx);
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cfg[i].mask[1] = tx;
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- cfg[i].offset[1] = fsl_sai_calc_dl_off(&tx);
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+ cfg[i].offset[1] = fsl_sai_calc_dl_off(tx);
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}
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*rcfg = cfg;
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