[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:7477e32bf511bbe26d161a8b7a28dd1209fae3e4
- giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
- commit HEAD:  9fbcd7b32bf7c0a5bda0f22c25df29d00a872017


Log excerpt:
=====================================================
[    1.556373] Unable to handle kernel NULL pointer dereference at
virtual address 00000000000002a0
[    1.557143] Mem abort info:
[    1.557390]   ESR = 0x0000000096000004
[    1.557719]   EC = 0x25: DABT (current EL), IL = 32 bits
[    1.558184]   SET = 0, FnV = 0
[    1.558453]   EA = 0, S1PTW = 0
[    1.558727]   FSC = 0x04: level 0 translation fault
[    1.559168] Data abort info:
[    1.559420]   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[    1.559898]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[    1.560340]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[    1.560804] [00000000000002a0] user address but active_mm is swapper
[    1.561359] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
[    1.561907] Modules linked in:
[    1.562180] CPU: 6 UID: 0 PID: 1 Comm: swapper/0 Not tainted
6.14.0-rc6-next-20250312 #1
[    1.562888] Hardware name: Radxa ROCK 5B (DT)
[    1.563270] pstate: 00400009 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    1.563879] pc : devm_kmalloc+0x28/0xf8
[    1.564223] lr : rk_iommu_of_xlate+0x30/0x90
[    1.564604] sp : ffff80008005b7d0
[    1.564894] x29: ffff80008005b7d0 x28: 0000000000000000 x27: ffffd437526d1528
[    1.565522] x26: 0000000000000001 x25: ffffd437526d2668 x24: ffff000848884300
[    1.566149] x23: 0000000000000000 x22: ffffd437520bfef8 x21: 0000000000000000
[    1.566775] x20: 0000000000000010 x19: 0000000000000000 x18: 00000000ffffffff
[    1.567402] x17: ffff80008005b258 x16: ffff80008005b27d x15: ffff80008005b890
[    1.568028] x14: ffff000840ca9a1c x13: ffff000840ca927c x12: 0101010101010101
[    1.568655] x11: 7f7f7f7f7f7f7f7f x10: 0000000000142278 x9 : 0000000000000003
[    1.569281] x8 : ffff000840f80300 x7 : 0000000000000000 x6 : 1d150c11f5f38080
[    1.569906] x5 : ffff000840648000 x4 : 0000000000000000 x3 : ffffd437536ec6b8
[    1.570532] x2 : 0000000000000dc0 x1 : 0000000000000010 x0 : 0000000000000090
[    1.571159] Call trace:
[    1.571376]  devm_kmalloc+0x28/0xf8 (P)
[    1.571717]  rk_iommu_of_xlate+0x30/0x90
[    1.572066]  of_iommu_xlate+0x9c/0xc8
[    1.572393]  of_iommu_configure+0x1c8/0x240
[    1.572764]  of_dma_configure_id+0x98/0x3cc
[    1.573139]  platform_dma_configure+0xf8/0x100
[    1.573534]  __iommu_probe_device+0x2d4/0x4c8
[    1.573919]  probe_iommu_group+0x3c/0x68
[    1.574265]  bus_for_each_dev+0x78/0xd4
[    1.574604]  iommu_device_register+0xd8/0x224
[    1.574989]  rk_iommu_probe+0x1f8/0x34c
[    1.575330]  platform_probe+0x68/0xc0
[    1.575656]  really_probe+0xbc/0x298
[    1.575973]  __driver_probe_device+0x78/0x12c
[    1.576358]  driver_probe_device+0x3c/0x15c
[    1.576727]  __driver_attach+0x94/0x19c
[    1.577067]  bus_for_each_dev+0x78/0xd4
[    1.577406]  driver_attach+0x24/0x30
[    1.577723]  bus_add_driver+0xe4/0x208
[    1.578054]  driver_register+0x60/0x128
[    1.578395]  __platform_driver_register+0x24/0x30
[    1.578812]  rk_iommu_driver_init+0x1c/0x28
[    1.579184]  do_one_initcall+0x80/0x1c4
[    1.579525]  kernel_init_freeable+0x1c4/0x28c
[    1.579913]  kernel_init+0x20/0x1d8
[    1.580224]  ret_from_fork+0x10/0x20
[    1.580543] Code: a90153f3 b1020020 f9001bf7 aa0103f4 (b942a2b7)

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


# Hardware platforms affected:

## rk3588-rock-5b
- dashboard: https://d.kernelci.org/test/maestro:67d1a73cf59fb9874e7cdcc2
- compatibles: radxa,rock-5b | rockchip,rk3588
- 1 fails since 2025-03-12 15:42 UTC
- test path: boot
- last pass: https://d.kernelci.org/test/maestro:67c185863218f15c74bcb43b
    - on 2025-02-28 09:44 UTC
    - commit hash:  c0eb65494e59d9834af7cbad983629e9017b25a1
    - test id:  maestro:67c185863218f15c74bcb43b


#kernelci issue maestro:7477e32bf511bbe26d161a8b7a28dd1209fae3e4

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

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