Hay
Date
April 20, 2025, 11:09 p.m.

Environment
x15

--- cut here ---
[  101.396911] Unable to handle kernel paging request at virtual address 9f000000 when read
[  101.405670] [9f000000] *pgd=80000080206003, *pmd=00000000
[  101.411163] Internal error: Oops: 206 [#1] SMP ARM
[  101.415985] Modules linked in:
[  101.419067] CPU: 0 UID: 0 PID: 532 Comm: kunit_try_catch Tainted: G    B   W        N  6.15.0-rc3 #1 NONE 
[  101.428802] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[  101.433898] Hardware name: Generic DRA74X (Flattened Device Tree)
[  101.440032] PC is at kunit_test_null_dereference+0x74/0x1a0
[  101.445648] LR is at kunit_generic_run_threadfn_adapter+0xc4/0x128
[  101.451873] pc : [<c1645858>]    lr : [<c163b110>]    psr: 60000013
[  101.458190] sp : f2ce3e48  ip : 41b58ab3  fp : ccf55450
[  101.463439] r10: b89eaa8a  r9 : cceb5400  r8 : c16457e4
[  101.468688] r7 : b86c89f0  r6 : cb644f84  r5 : bd59c7cc  r4 : f0013b40
[  101.475280] r3 : f2ce3ec0  r2 : ccf55240  r1 : 9f000000  r0 : 00000000
[  101.481842] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[  101.489044] Control: 30c5387d  Table: 80203000  DAC: fffffffd
[  101.494812] Register r0 information: NULL pointer
[  101.499542] Register r1 information: non-paged memory
[  101.504638] Register r2 information: slab task_struct start ccf55240 pointer offset 0 size 2880
[  101.513427] Register r3 information: 4-page vmalloc region starting at 0xf2ce0000 allocated at kernel_clone+0x174/0x794
[  101.524291] Register r4 information: 4-page vmalloc region starting at 0xf0010000 allocated at kernel_clone+0x174/0x794
[  101.535156] Register r5 information: non-paged memory
[  101.540252] Register r6 information: slab kmalloc-64 start cb644f80 pointer offset 4 size 64
[  101.548797] Register r7 information: non-paged memory
[  101.553863] Register r8 information: non-slab/vmalloc memory
[  101.559570] Register r9 information: slab kmalloc-128 start cceb5400 pointer offset 0 size 128
[  101.568267] Register r10 information: non-paged memory
[  101.573455] Register r11 information: slab task_struct start ccf55240 pointer offset 528 size 2880
[  101.582519] Register r12 information: non-paged memory
[  101.587677] Process kunit_try_catch (pid: 532, stack limit = 0xfc87c6b5)
[  101.594421] Stack: (0xf2ce3e48 to 0xf2ce4000)
[  101.598815] 3e40:                   c05d832c 00000000 00000000 00000000 00000000 00000000
[  101.607055] 3e60: 41b58ab3 c57895a4 c16457e4 c5cc1574 c69e64e0 c431e200 22d73000 ccf55a54
[  101.615295] 3e80: ccf55240 cceb5400 199eaa88 c088f7f8 ccf55a54 60000013 00000003 c69e56e0
[  101.623535] 3ea0: ccf55a54 ccf55240 cceb5400 c431e200 c69e56e4 00000007 00000003 c0592d28
[  101.631744] 3ec0: 00000003 ccf55440 00000003 199d6a80 00000000 f5199995 f2ce3ef4 cb644f80
[  101.639984] 3ee0: 00000004 c163b110 cceb5400 ccf55240 f2ce3f80 c163b04c cb644f80 c0593b68
[  101.648223] 3f00: 22d73000 00000000 22d73000 00000000 f2ce3f8c c088f7f8 e8a37500 c5cc4500
[  101.656463] 3f20: 41b58ab3 c572ed4c c0593704 22d73000 00000000 c05be8d0 00000000 00000000
[  101.664672] 3f40: fefefefe 00000000 00000000 00000000 c05cbb24 c5cc1574 c69e64e0 c0544ac8
[  101.672912] 3f60: 22d73000 00000000 00000000 00000000 00000000 c088f7f8 ccf46780 ccf559f4
[  101.681152] 3f80: ccf55240 f5199995 00000000 cb647080 c0593704 00000000 00000000 00000000
[  101.689392] 3fa0: 00000000 00000000 00000000 c0400254 00000000 00000000 00000000 00000000
[  101.697601] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  101.705841] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[  101.714080] Call trace: 
[  101.714080]  kunit_test_null_dereference from kunit_generic_run_threadfn_adapter+0xc4/0x128
[  101.725036]  kunit_generic_run_threadfn_adapter from kthread+0x464/0x810
[  101.731811]  kthread from ret_from_fork+0x14/0x20
[  101.736541] Exception stack(0xf2ce3fb0 to 0xf2ce3ff8)
[  101.741638] 3fa0:                                     00000000 00000000 00000000 00000000
[  101.749877] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  101.758117] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[  101.764770] Code: e1a04000 e5920678 e58d008c e3a00000 (e1d110d0) 
[  101.770935] ---[ end trace 0000000000000000 ]---