[next] Unable to handle kernel execute from non-executable memory at virtual address - devm_clk_release

[Naresh Kamboju]

The following kernel crash was noticed on arm64 Raspberry Pi 4 Model B
devices while booting. This crash is always reproducible.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

metadata:
  git_ref: master
  git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
  git_sha: 1e502319853ceebfe7480a436ba22ab01372fa0c
  git_describe: next-20220620
  kernel_version: 5.19.0-rc3
  kernel-config: https://builds.tuxbuild.com/2ApqivCh2DP6v2QxI17B2GnWiUk/config
  build-url: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/567830223
  artifact-location: https://builds.tuxbuild.com/2ApqivCh2DP6v2QxI17B2GnWiUk
  toolchain: gcc-11

Crash log:
----------
[    0.000000] Linux version 5.19.0-rc3-next-20220620
(tuxmake@tuxmake) (aarch64-linux-gnu-gcc (Debian 11.3.0-3) 11.3.0, GNU
ld (GNU Binutils for Debian) 2.38) #1 SMP PREEMPT @1655717238
[    0.000000] Machine model: Raspberry Pi 4 Model B
<trim>

[   18.462465] Bluetooth: HCI UART protocol Broadcom registered
[   18.462543] Bluetooth: HCI UART protocol QCA registered
[   18.462633] Bluetooth: HCI UART protocol Marvell registered
[   18.464172] hci_uart_bcm serial0-0: supply vbat not found, using
dummy regulator
[   18.464478] hci_uart_bcm serial0-0: supply vddio not found, using
dummy regulator
[   18.464942] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[   18.465655] platform regulatory.0: Direct firmware load for
regulatory.db failed with error -2
[   18.465683] cfg80211: failed to load regulatory.db
[   18.465928] bcm2835-power bcm2835-power: Timeout waiting for grafx power OK
[   18.472964] bcm2835-power bcm2835-power: Timeout waiting for grafx power OK
[   18.475203] raspberrypi-firmware soc:firmware: Request 0x00030066
returned status 0x80000001
[   18.475231] vc4-drm gpu: [drm] Couldn't stop firmware display driver: -22
[   18.490782] vc4-drm gpu: bound fe400000.hvs (ops vc4_hvs_ops [vc4])
[   18.500428] Unable to handle kernel execute from non-executable
memory at virtual address ffff000040241c10
[   18.500455] Mem abort info:
[   18.500465]   ESR = 0x000000008600000f
[   18.500477]   EC = 0x21: IABT (current EL), IL = 32 bits
[   18.500491]   SET = 0, FnV = 0
[   18.500503]   EA = 0, S1PTW = 0
[   18.500514]   FSC = 0x0f: level 3 permission fault
[   18.500527] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000020b6000
[   18.500542] [ffff000040241c10] pgd=18000000fbff8003,
p4d=18000000fbff8003, pud=18000000fbe2a003, pmd=18000000fbe28003,
pte=0068000040241707
[   18.500612] Internal error: Oops: 8600000f [#1] PREEMPT SMP
[   18.500624] Modules linked in: hci_uart vc4(+) btqca btbcm cec
bluetooth drm_display_helper cfg80211 crct10dif_ce v3d drm_cma_helper
clk_raspberrypi drm_shmem_helper reset_raspberrypi raspberrypi_hwmon
drm_kms_helper gpu_sched rfkill bcm2711_thermal iproc_rng200
pwm_bcm2835 i2c_bcm2835 drm rng_core pcie_brcmstb fuse
[   18.500752] CPU: 0 PID: 246 Comm: systemd-udevd Not tainted
5.19.0-rc3-next-20220620 #1
[   18.500765] Hardware name: Raspberry Pi 4 Model B (DT)
[   18.500772] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   18.500785] pc : 0xffff000040241c10
[   18.500800] lr : devm_clk_release+0x30/0x50
[   18.500817] sp : ffff80000b42b6f0
[   18.500823] x29: ffff80000b42b6f0 x28: ffff0000423bad50 x27: 0000000000000000
[   18.500845] x26: 00000000fffffdfb x25: ffff800009cc7d80 x24: ffff80000a98ea78
[   18.500866] x23: ffff80000a0d7008 x22: ffff000040241c10 x21: ffff80000b42b7a8
[   18.500886] x20: ffff00004893c600 x19: ffff00004893d300 x18: 000000003957dc32
[   18.500906] x17: 000000000000001c x16: 000000005d75779c x15: 00000000c3027b0d
[   18.500926] x14: 000000000000001a x13: 0000000000000000 x12: ffff000042d25338
[   18.500946] x11: 0000000000000040 x10: ffff000042d25240 x9 : ffff800008a4d774
[   18.500965] x8 : ffff000042d25268 x7 : 0000000000000000 x6 : ffff80000a98f000
[   18.500984] x5 : ffff800008a4d780 x4 : fffffc0001224f20 x3 : ffff00004893c700
[   18.501003] x2 : ffff80000886d9d0 x1 : ffff000040241c10 x0 : ffff000040104700
[   18.501022] Call trace:
[   18.501028]  0xffff000040241c10
[   18.501037]  release_nodes+0x64/0x104
[   18.501052]  devres_release_group+0xd8/0x14c
[   18.501063]  component_bind_all+0x144/0x290
[   18.501079]  vc4_drm_bind+0x118/0x2f4 [vc4]
[   18.501181]  try_to_bring_up_aggregate_device+0x230/0x320
[   18.501198]  component_master_add_with_match+0xbc/0x10c
[   18.501212]  vc4_platform_drm_probe+0xcc/0x10c [vc4]
[   18.501300]  platform_probe+0x74/0xf0
[   18.501318]  really_probe+0xc8/0x3f0
[   18.501331]  __driver_probe_device+0x11c/0x190
[   18.501344]  driver_probe_device+0x44/0x100
[   18.501357]  __driver_attach+0xd8/0x200
[   18.501370]  bus_for_each_dev+0x7c/0xe0
[   18.501381]  driver_attach+0x30/0x40
[   18.501393]  bus_add_driver+0x154/0x240
[   18.501405]  driver_register+0x84/0x140
[   18.501419]  __platform_driver_register+0x34/0x40
[   18.501434]  vc4_drm_register+0x5c/0x1000 [vc4]
[   18.501520]  do_one_initcall+0x50/0x2b0
[   18.501533]  do_init_module+0x50/0x200
[   18.501544]  load_module+0x1b80/0x1f40
[   18.501553]  __do_sys_finit_module+0xac/0x12c
[   18.501562]  __arm64_sys_finit_module+0x2c/0x40
[   18.501571]  invoke_syscall+0x50/0x120
[   18.501588]  el0_svc_common.constprop.0+0x104/0x124
[   18.501604]  do_el0_svc+0x3c/0xcc
[   18.501619]  el0_svc+0x38/0xc0
[   18.501633]  el0t_64_sync_handler+0xbc/0x140
[   18.501647]  el0t_64_sync+0x18c/0x190
[   18.501663] Code: 40a43e00 ffff0000 ffffffff 00000000 (40a43e00)
[   18.501674] ---[ end trace 0000000000000000 ]---


URL:
[1] https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220620/testrun/10270853/suite/ltp-sched-tests/test/cfs_bandwidth01/details/
[2] https://lkft.validation.linaro.org/scheduler/job/5191948#L810


--
Linaro LKFT
https://lkft.linaro.org