WSL2-Linux-Kernel/drivers/phy/ti
Kishon Vijay Abraham I 6d1e6bcb31 phy: ti: Fix missing sentinel for clk_div_table
_get_table_maxdiv() tries to access "clk_div_table" array out of bound
defined in phy-j721e-wiz.c. Add a sentinel entry to prevent
the following global-out-of-bounds error reported by enabling KASAN.

[    9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148
[    9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38
[    9.565926]
[    9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360
[    9.576242] Hardware name: Texas Instruments J721e EVM (DT)
[    9.581832] Workqueue: events_unbound deferred_probe_work_func
[    9.587708] Call trace:
[    9.590174]  dump_backtrace+0x20c/0x218
[    9.594038]  show_stack+0x18/0x68
[    9.597375]  dump_stack_lvl+0x9c/0xd8
[    9.601062]  print_address_description.constprop.0+0x78/0x334
[    9.606830]  kasan_report+0x1f0/0x260
[    9.610517]  __asan_load4+0x9c/0xd8
[    9.614030]  _get_maxdiv+0xc0/0x148
[    9.617540]  divider_determine_rate+0x88/0x488
[    9.622005]  divider_round_rate_parent+0xc8/0x124
[    9.626729]  wiz_clk_div_round_rate+0x54/0x68
[    9.631113]  clk_core_determine_round_nolock+0x124/0x158
[    9.636448]  clk_core_round_rate_nolock+0x68/0x138
[    9.641260]  clk_core_set_rate_nolock+0x268/0x3a8
[    9.645987]  clk_set_rate+0x50/0xa8
[    9.649499]  cdns_sierra_phy_init+0x88/0x248
[    9.653794]  phy_init+0x98/0x108
[    9.657046]  cdns_pcie_enable_phy+0xa0/0x170
[    9.661340]  cdns_pcie_init_phy+0x250/0x2b0
[    9.665546]  j721e_pcie_probe+0x4b8/0x798
[    9.669579]  platform_probe+0x8c/0x108
[    9.673350]  really_probe+0x114/0x630
[    9.677037]  __driver_probe_device+0x18c/0x220
[    9.681505]  driver_probe_device+0xac/0x150
[    9.685712]  __device_attach_driver+0xec/0x170
[    9.690178]  bus_for_each_drv+0xf0/0x158
[    9.694124]  __device_attach+0x184/0x210
[    9.698070]  device_initial_probe+0x14/0x20
[    9.702277]  bus_probe_device+0xec/0x100
[    9.706223]  deferred_probe_work_func+0x124/0x180
[    9.710951]  process_one_work+0x4b0/0xbc0
[    9.714983]  worker_thread+0x74/0x5d0
[    9.718668]  kthread+0x214/0x230
[    9.721919]  ret_from_fork+0x10/0x20
[    9.725520]
[    9.727032] The buggy address belongs to the variable:
[    9.732183]  clk_div_table+0x24/0x440

Fixes: 091876cc35 ("phy: ti: j721e-wiz: Add support for WIZ module present in TI J721E SoC")
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20220117110108.4117-1-kishon@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2022-01-24 09:33:33 +05:30
..
Kconfig phy: ti: gmii-sel: simplify config dependencies between net drivers and gmii phy 2020-03-26 20:01:13 -07:00
Makefile phy: ti: j721e-wiz: Add support for WIZ module present in TI J721E SoC 2020-01-14 10:50:19 +05:30
phy-am654-serdes.c phy: ti: report 2 non-kernel-doc comments 2021-11-16 15:31:30 +05:30
phy-da8xx-usb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285 2019-06-05 17:36:37 +02:00
phy-dm816x-usb.c phy: ti: dm816x: Fix the error handling path in 'dm816x_usb_phy_probe() 2021-06-21 12:04:18 +05:30
phy-gmii-sel.c phy: ti: gmii-sel: check of_get_address() for failure 2021-10-26 16:36:23 +05:30
phy-j721e-wiz.c phy: ti: Fix missing sentinel for clk_div_table 2022-01-24 09:33:33 +05:30
phy-omap-control.c phy: ti: Use IS_ERR_OR_NULL() to clean code 2021-12-14 13:10:03 +05:30
phy-omap-usb2.c phy: ti: omap-usb2: Fix the kernel-doc style 2021-11-23 10:38:24 +05:30
phy-ti-pipe3.c phy: ti: convert to devm_platform_ioremap_resource(_byname) 2020-11-16 12:47:48 +05:30
phy-tusb1210.c phy: ti: tusb1210: Fix the kernel-doc warn 2021-11-20 11:33:23 +05:30
phy-twl4030-usb.c phy: phy-twl4030-usb: Disable PHY for suspend 2021-08-06 17:32:51 +05:30