Hay
Date
May 30, 2025, 4:14 a.m.

Environment
x15

--- cut here ---
[  101.439697] Unable to handle kernel paging request at virtual address 9f000000 when read
[  101.448059] [9f000000] *pgd=80000080206003, *pmd=00000000
[  101.453735] Internal error: Oops: 206 [#1] SMP ARM
[  101.458557] Modules linked in:
[  101.461639] CPU: 0 UID: 0 PID: 576 Comm: kunit_try_catch Tainted: G    B   W        N  6.15.0-next-20250530 #1 NONE 
[  101.472259] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[  101.477325] Hardware name: Generic DRA74X (Flattened Device Tree)
[  101.483459] PC is at kunit_test_null_dereference+0x74/0x1a0
[  101.489074] LR is at kunit_generic_run_threadfn_adapter+0xc4/0x128
[  101.495330] pc : [<c169c598>]    lr : [<c1691e50>]    psr: 60000013
[  101.501617] sp : f2c73e48  ip : 41b58ab3  fp : ccd33cd0
[  101.506866] r10: b89a679a  r9 : ccd11c00  r8 : c169c524
[  101.512145] r7 : b895b4f0  r6 : ccada784  r5 : bd58e7cc  r4 : f0013b40
[  101.518707] r3 : f2c73ec0  r2 : ccd33ac0  r1 : 9f000000  r0 : 00000000
[  101.525268] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[  101.532470] Control: 30c5387d  Table: 8c910200  DAC: fffffffd
[  101.538238] Register r0 information: NULL pointer
[  101.542999] Register r1 information: non-paged memory
[  101.548065] Register r2 information: slab task_struct start ccd33ac0 pointer offset 0 size 2880
[  101.556854] Register r3 information: 4-page vmalloc region starting at 0xf2c70000 allocated at kernel_clone+0x174/0x794
[  101.567718] Register r4 information: 4-page vmalloc region starting at 0xf0010000 allocated at kernel_clone+0x174/0x794
[  101.578582] Register r5 information: non-paged memory
[  101.583679] Register r6 information: slab kmalloc-64 start ccada780 pointer offset 4 size 64
[  101.592193] Register r7 information: non-paged memory
[  101.597290] Register r8 information: non-slab/vmalloc memory
[  101.602996] Register r9 information: slab kmalloc-128 start ccd11c00 pointer offset 0 size 128
[  101.611694] Register r10 information: non-paged memory
[  101.616882] Register r11 information: slab task_struct start ccd33ac0 pointer offset 528 size 2880
[  101.625915] Register r12 information: non-paged memory
[  101.631103] Process kunit_try_catch (pid: 576, stack limit = 0x2d1e9673)
[  101.637847] Stack: (0xf2c73e48 to 0xf2c74000)
[  101.642242] 3e40:                   c05d5740 00000000 00000000 00000000 00000000 00000000
[  101.650482] 3e60: 41b58ab3 c577f404 c169c524 c5cc6574 c69ce280 c42f9064 22d6e000 ccd342d4
[  101.658691] 3e80: ccd33ac0 ccd11c00 199a6798 c0892e20 ccd342d4 60000013 00000003 c69cd480
[  101.666931] 3ea0: ccd342d4 ccd33ac0 ccd11c00 c42f9064 c69cd484 00000007 00000003 c058dfc0
[  101.675170] 3ec0: 00000003 ccd33cc0 00000003 199a2380 00000000 62e9436f f2c73ef4 ccada780
[  101.683410] 3ee0: 00000004 c1691e50 ccd11c00 ccd33ac0 f2c73f80 c1691d8c ccada780 c058ee00
[  101.691619] 3f00: 22d6e000 00000000 22d6e000 00000000 f2c73f8c c0892e20 e8a37500 c5cc9500
[  101.699859] 3f20: 41b58ab3 c57224b8 c058e99c 22d6e000 00000000 c05bb77c 00000000 00000000
[  101.708099] 3f40: fefefefe 00000000 00000000 00000000 c05c8f34 c5cc6574 c69ce280 c053fd38
[  101.716308] 3f60: 22d6e000 00000000 00000000 00000000 00000000 c0892e20 ccd39cc0 ccd34274
[  101.724548] 3f80: ccd33ac0 62e9436f 00000000 ccada880 c058e99c 00000000 00000000 00000000
[  101.732788] 3fa0: 00000000 00000000 00000000 c0400254 00000000 00000000 00000000 00000000
[  101.740997] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  101.749237] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[  101.757476] Call trace: 
[  101.757476]  kunit_test_null_dereference from kunit_generic_run_threadfn_adapter+0xc4/0x128
[  101.768432]  kunit_generic_run_threadfn_adapter from kthread+0x464/0x810
[  101.775207]  kthread from ret_from_fork+0x14/0x20
[  101.779937] Exception stack(0xf2c73fb0 to 0xf2c73ff8)
[  101.785034] 3fa0:                                     00000000 00000000 00000000 00000000
[  101.793273] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  101.801483] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[  101.808166] Code: e1a04000 e5920678 e58d008c e3a00000 (e1d110d0) 
[  101.814544] ---[ end trace 0000000000000000 ]---