[REGRESSION] next/master: (boot) NULL pointer dereference at virtual address 00000000000002a0 [logs...

[KernelCI bot]

Hello,

New boot regression found on next/master:

---
 NULL pointer dereference at virtual address 00000000000002a0
[logspec:generic_linux_boot,linux.kernel.null_pointer_dereference]
---

- dashboard: https://d.kernelci.org/i/maestro:160e6c6fbe05a163b029f4e942a1d5b78d55fe65
- giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
- commit HEAD:  9fbcd7b32bf7c0a5bda0f22c25df29d00a872017


Log excerpt:
=====================================================
[    1.993230] Unable to handle kernel NULL pointer dereference at
virtual address 00000000000002a0
[    2.003096] Mem abort info:
[    2.006226]   ESR = 0x0000000096000004
[    2.010421]   EC = 0x25: DABT (current EL), IL = 32 bits
[    2.016365]   SET = 0, FnV = 0
[    2.019781]   EA = 0, S1PTW = 0
[    2.023296]   FSC = 0x04: level 0 translation fault
[    2.028753] Data abort info:
[    2.031969]   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[    2.038107]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[    2.043760]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[    2.049704] [00000000000002a0] user address but active_mm is swapper
[    2.056816] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
[    2.063823] Modules linked in:
[    2.067241] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted
6.14.0-rc6-next-20250312 #1
[    2.076291] Hardware name: Google Kevin (DT)
[    2.081063] pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    2.088849] pc : devm_kmalloc+0x28/0xf8
[    2.093144] lr : rk_iommu_of_xlate+0x30/0x90
[    2.097923] sp : ffff800082f7b7d0
[    2.101625] x29: ffff800082f7b7d0 x28: 0000000000000000 x27: ffff800081cd1528
[    2.109611] x26: 0000000000000001 x25: ffff800081cd2668 x24: ffff000005875a20
[    2.117597] x23: 0000000000000000 x22: ffff8000816bfef8 x21: 0000000000000000
[    2.125582] x20: 0000000000000010 x19: 0000000000000000 x18: 00000000ffffffff
[    2.133567] x17: ffff000005345c00 x16: ffff0000046f6800 x15: ffff800082f7b890
[    2.141553] x14: ffff0000050eda1c x13: ffff0000050ed27c x12: 0101010101010101
[    2.149538] x11: 7f7f7f7f7f7f7f7f x10: 0000000000142278 x9 : 0000000000000003
[    2.157524] x8 : ffff0000058544c0 x7 : 0000000000000000 x6 : 1d150c11f5f38080
[    2.165509] x5 : ffff000003948000 x4 : 0000000000000000 x3 : ffff800082cec6b8
[    2.173495] x2 : 0000000000000dc0 x1 : 0000000000000010 x0 : 0000000000000090
[    2.181480] Call trace:
[    2.184211]  devm_kmalloc+0x28/0xf8 (P)
[    2.188501]  rk_iommu_of_xlate+0x30/0x90
[    2.192889]  of_iommu_xlate+0x9c/0xc8
[    2.196986]  of_iommu_configure+0x1c8/0x240
[    2.201666]  of_dma_configure_id+0x98/0x3cc
[    2.206348]  platform_dma_configure+0xf8/0x100
[    2.211320]  __iommu_probe_device+0x2d4/0x4c8
[    2.216193]  probe_iommu_group+0x3c/0x68
[    2.220579]  bus_for_each_dev+0x78/0xd4
[    2.224868]  iommu_device_register+0xd8/0x224
[    2.229740]  rk_iommu_probe+0x1f8/0x34c
[    2.234031]  platform_probe+0x68/0xc0
[    2.238127]  really_probe+0xbc/0x298
[    2.242127]  __driver_probe_device+0x78/0x12c
[    2.246999]  driver_probe_device+0xd8/0x15c
[    2.251678]  __driver_attach+0x94/0x19c
[    2.255967]  bus_for_each_dev+0x78/0xd4
[    2.260247]  driver_attach+0x24/0x30
[    2.264245]  bus_add_driver+0xe4/0x208
[    2.268437]  driver_register+0x60/0x128
[    2.272727]  __platform_driver_register+0x24/0x30
[    2.277989]  rk_iommu_driver_init+0x1c/0x28
[    2.282668]  do_one_initcall+0x80/0x1c4
[    2.286959]  kernel_init_freeable+0x1c4/0x28c
[    2.291834]  kernel_init+0x20/0x1d8
[    2.295736]  ret_from_fork+0x10/0x20
[    2.299728] Code: a90153f3 b1020020 f9001bf7 aa0103f4 (b942a2b7)

=====================================================


# Hardware platforms affected:

## rk3399-gru-kevin
- dashboard: https://d.kernelci.org/test/maestro:67d1a73af59fb9874e7cdcbb
- compatibles: google,kevin-rev15 | google,kevin-rev14
- 1 fails since 2025-03-12 15:50 UTC
- test path: boot
- last pass: https://d.kernelci.org/test/maestro:67c185843218f15c74bcb435
    - on 2025-02-28 09:44 UTC
    - commit hash:  c0eb65494e59d9834af7cbad983629e9017b25a1
    - test id:  maestro:67c185843218f15c74bcb435

## rk3399-rock-pi-4b
- dashboard: https://d.kernelci.org/test/maestro:67d1a73bf59fb9874e7cdcbe
- compatibles: radxa,rockpi4b | radxa,rockpi4 | rockchip,rk3399
- 1 fails since 2025-03-12 15:45 UTC
- test path: boot
- last pass: https://d.kernelci.org/test/maestro:67c185853218f15c74bcb438
    - on 2025-02-28 09:44 UTC
    - commit hash:  c0eb65494e59d9834af7cbad983629e9017b25a1
    - test id:  maestro:67c185853218f15c74bcb438


#kernelci issue maestro:160e6c6fbe05a163b029f4e942a1d5b78d55fe65

Reported-by: kernelci.org bot <bot at kernelci.org>

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