beagle-xm: Unable to handle kernel NULL pointer dereference

[crazoes]

• Commit: Hasn't been bisected
• Regressions:
  • https://linux.kernelci.org/test/case/id/643c7cf9b1855d300c2e865f/
• Email: N/A
• Bisection report: N/A
• First fail: v5.19-rc4-166-gb336ad598a3b
• Last pass: v5.19-rc4-125-ga175eca0f3d7
• Kernel logs:

  22:55:37.474589  <1>[    5.816009] 8<--- cut here ---
  22:55:37.484916  <1>[    5.819335] Unable to handle kernel NULL pointer dereference at virtual address 00000808 when read
  22:55:37.490743  <1>[    5.828674] [00000808] *pgd=00000000
  22:55:37.496413  <0>[    5.832580] Internal error: Oops: 5 [#1] SMP ARM
  22:55:37.497177  <4>[    5.837463] Modules linked in:
  22:55:37.501711  <4>[    5.840820] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.3.0-rc7 #1
  22:55:37.513396  <4>[    5.847290] Hardware name: Generic OMAP36xx (Flattened Device Tree)
  22:55:37.518646  <4>[    5.853851] PC is at __kmem_cache_alloc_node+0xa0/0x24c
  22:55:37.524450  <4>[    5.859374] LR is at __kmem_cache_alloc_node+0x2c/0x24c
  22:55:37.529864  <4>[    5.864898] pc : [<c04b11f4>]    lr : [<c04b1180>]    psr: a0000053
  22:55:37.535621  <4>[    5.871459] sp : d0009e48  ip : cfb97c28  fp : c1774a50
  22:55:37.541557  <4>[    5.876953] r10: c165ece0  r9 : 00000dc0  r8 : ffffffff
  22:55:37.546640  <4>[    5.882476] r7 : 00000914  r6 : 00000dc0  r5 : 00000008  r4 : c2001480
  22:55:37.552320  <4>[    5.889282] r3 : 00000800  r2 : d0009e48  r1 : 00004010  r0 : 00000000
  22:55:37.563464  <4>[    5.896087] Flags: NzCv  IRQs on  FIQs off  Mode SVC_32  ISA ARM  Segment none
  22:55:37.569211  <4>[    5.903625] Control: 10c5387d  Table: 80204019  DAC: 00000051
  22:55:37.569906  <1>[    5.909637] Register r0 information: NULL pointer
  22:55:37.574881  <1>[    5.914642] Register r1 information: non-paged memory
  22:55:37.586018  <1>[    5.919982] Register r2 information: 2-page vmalloc region starting at 0xd0008000 allocated at kernel_clone+0x8c/0x36c
  22:55:37.591479  <1>[    5.930999] Register r3 information: non-paged memory
  22:55:37.602847  <1>[    5.936340] Register r4 information: slab kmem_cache start c2001480 pointer offset 0 size 124
  22:55:37.608266  <1>[    5.945190] Register r5 information: non-paged memory
  22:55:37.613689  <1>[    5.950531] Register r6 information: non-paged memory
  22:55:37.619452  <1>[    5.955871] Register r7 information: non-paged memory
  22:55:37.625239  <1>[    5.961212] Register r8 information: non-paged memory
  22:55:37.630778  <1>[    5.966552] Register r9 information: non-paged memory
  22:55:37.636366  <1>[    5.971893] Register r10 information: non-slab/vmalloc memory
  22:55:37.641787  <1>[    5.977935] Register r11 information: non-slab/vmalloc memory
  22:55:37.647488  <1>[    5.983947] Register r12 information: non-slab/vmalloc memory
  22:55:37.653160  <0>[    5.989990] Process swapper/0 (pid: 1, stack limit = 0x(ptrval))
  22:55:37.658665  <0>[    5.996307] Stack: (0xd0009e48 to 0xd000a000)
  22:55:37.664423  <0>[    6.000946] 9e40:                   00000000 00000002 c52aef00 00000000 00000914 c10ddbd4
  22:55:37.675408  <0>[    6.009399] 9e60: c2001480 00000dc0 c165ece0 c046ed18 c10ddbd4 c1cf46ec 00000000 00000000
  22:55:37.681089  <0>[    6.017883] 9e80: c5b1b010 c52aef00 00000000 00000000 c21cf9c0 00000000 c19ca854 c165ece0
  22:55:37.692344  <0>[    6.026367] 9ea0: c1774a50 c10ddbd4 00000000 86609c63 c1d53528 c1d53528 c52aef00 00000000
  22:55:37.697986  <0>[    6.034851] 9ec0: c20f6100 c1d53528 00000000 c19aa8b4 c19ca834 00000000 c19ca854 c17aefb8
  22:55:37.709112  <0>[    6.043334] 9ee0: c181edb4 c0aa65f4 c20d0000 c1d5be80 c19aa8b4 c0302038 c21ee5c0 00000000
  22:55:37.714768  <0>[    6.051818] 9f00: c21ee5bf c0363b00 c1769ab4 00000186 00000000 00000000 c19004d0 c20d0000
  22:55:37.725902  <0>[    6.060272] 9f20: 00000006 00000006 c19012ac c21ee5c9 c21ee5cc 86609c63 c1b88b68 00000186
  22:55:37.737192  <0>[    6.068756] 9f40: 00000007 86609c63 c1a528f0 00000186 c21ee580 c19ca834 00000007 c1901370
  22:55:37.742859  <0>[    6.077239] 9f60: 00000006 00000006 00000000 c19004d0 d0009f6c c19004d0 00000000 c1b04cc0
  22:55:37.753787  <0>[    6.085723] 9f80: c1116c60 00000000 00000000 00000000 00000000 00000000 00000000 c1116c78
  22:55:37.759422  <0>[    6.094207] 9fa0: 00000000 c1116c60 00000000 c03001a8 00000000 00000000 00000000 00000000
  22:55:37.770663  <0>[    6.102661] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
  22:55:37.776182  <0>[    6.111145] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
  22:55:37.781896  <0>[    6.119628]  __kmem_cache_alloc_node from kmalloc_trace+0x28/0xb4
  22:55:37.787590  <0>[    6.126037]  kmalloc_trace from kobject_uevent_env+0xc0/0x528
  22:55:37.792900  <0>[    6.132080]  kobject_uevent_env from driver_register+0xac/0x114
  22:55:37.798608  <0>[    6.138305]  driver_register from do_one_initcall+0x40/0x1e0
  22:55:37.809819  <0>[    6.144287]  do_one_initcall from kernel_init_freeable+0x1b8/0x220
  22:55:37.815589  <0>[    6.150756]  kernel_init_freeable from kernel_init+0x18/0x12c
  22:55:37.821021  <0>[    6.156799]  kernel_init from ret_from_fork+0x14/0x2c
  22:55:37.826804  <0>[    6.162139] Exception stack(0xd0009fb0 to 0xd0009ff8)
  22:55:37.832211  <0>[    6.167480] 9fa0:                                     00000000 00000000 00000000 00000000
  22:55:37.843384  <0>[    6.175964] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
  22:55:37.848943  <0>[    6.184448] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
  22:55:37.854706  <0>[    6.191345] Code: e3550000 13530000 0a00002f e594301c (e795e003) 
  22:55:37.860707  <4>[    6.197845] ---[ end trace 0000000000000000 ]---

cc @hardboprobot @padovan @gctucker 

[crazoes]

@khilman this regression has been happening since v5.19 though I don't see any bisection email for the same.
Maybe something to look at as it is clearly failing due to a NULL pointer dereference.

[padovan]

Old issue. (also we are not tracking kernel test failure/issues through GitHub anymore)