61.652808] edma_pcie: loading out-of-tree module taints kernel. [ 61.660522] Unable to handle kernel NULL pointer dereference at virtual address 0000000a [ 61.670345] pgd = ed2c9c00 [ 61.673067] [0000000a] *pgd=ac919003, *pmd=fd1b7003 [ 61.678024] Internal error: Oops: 207 [#1] PREEMPT SMP ARM [ 61.683534] Modules linked in: edma_pcie(O+) xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4l [ 61.726104] CPU: 0 PID: 965 Comm: insmod Tainted: G W O 4.14.40-g4796173fc5 #39 [ 61.734402] Hardware name: Generic DRA74X (Flattened Device Tree) [ 61.740521] task: ec9286c0 task.stack: ec922000 [ 61.745077] PC is at find_candidate+0x20/0x17c [ 61.749540] LR is at __dma_request_channel+0x50/0x90 [ 61.754525] pc : [] lr : [] psr: 200f0013 [ 61.760816] sp : ec923d08 ip : ec923d30 fp : ec923d2c [ 61.766061] r10: ed2ca064 r9 : 00000000 r8 : 00000000 [ 61.771307] r7 : 00000000 r6 : 00000000 r5 : eeac624c r4 : c0e28880 [ 61.777860] r3 : 00000000 r2 : 00000000 r1 : 0000000a r0 : eeac624c [ 61.784415] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 61.791580] Control: 30c5387d Table: ad2c9c00 DAC: fffffffd [ 61.797349] Process insmod (pid: 965, stack limit = 0xec922210) [ 61.803293] Stack: (0xec923d08 to 0xec924000) [ 61.807668] 3d00: c0e28880 00000000 00000000 0000000a c0e28870 00000000 [ 61.815881] 3d20: ec923d54 ec923d30 c060ddb4 c060db88 ffffe000 00000000 bf244000 ed348140 [ 61.824094] 3d40: 00000001 00000000 ec923d64 ec923d58 c060e69c c060dd70 ec923dc4 ec923d68 [ 61.832307] 3d60: bf244018 c060e688 ed2c9c40 200f0013 ed2c9c40 00000001 8040003e 600f0013 [ 61.840518] 3d80: 00000000 c0e7e80c ec923dec 8040003e f62d6fff f62d7000 00000002 00000000 [ 61.848731] 3da0: 8040003f fffff000 ffffe000 00000000 bf244000 ed348140 ec923e34 ec923dc8 [ 61.856943] 3dc0: c02019fc bf24400c ffffe000 ed2c9c40 ef414444 ee801e40 ffffe000 00019a9b [ 61.865156] 3de0: 00000000 ed2ca064 ec923e24 ec923df8 c032c2c4 c032bec4 00000001 f62d1000 [ 61.873369] 3e00: ec923e34 ec923e10 c032d400 c0336fbc bf241000 bf241000 00000001 ed2ca040 [ 61.881581] 3e20: ed348140 00000001 ec923e5c ec923e38 c02b1e98 c02019bc ec923e5c ec923e48 [ 61.889792] 3e40: ec923f40 00000001 ed2ca040 bf241000 ec923f1c ec923e60 c02b0d3c c02b1e3c [ 61.898005] 3e60: bf24100c 00007fff bf241000 c02addd8 bf000000 c0b47dd4 c0b47dac bf241114 [ 61.906218] 3e80: c0b47efc c0b92b18 bf241130 c0a045d0 bf241100 00000000 bf241048 bf241000 [ 61.914429] 3ea0: c03446a0 c04fc7c4 00000003 00000005 ec923edc 00000000 00000000 00000000 [ 61.922640] 3ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 61.930852] 3ee0: 00000000 00000000 00000000 00000000 7fffffff 00000000 00000003 000281f0 [ 61.939066] 3f00: 0000017b c0207e64 ec922000 00000000 ec923fa4 ec923f20 c02b14ec c02aee3c [ 61.947278] 3f20: 7fffffff 00000000 00000003 ec923f3c ec923f40 f62d1000 00004c88 00000000 [ 61.955490] 3f40: f62d14d6 f62d1000 00004c88 f62d5670 f62d54f4 f62d4cdc 00003000 00003180 [ 61.963703] 3f60: 00000000 00000000 00000000 00001710 00000024 00000025 0000000c 0000000a [ 61.971915] 3f80: 00000008 00000000 00000000 0003b008 00000000 00025eb0 00000000 ec923fa8 [ 61.980127] 3fa0: c0207c80 c02b1454 0003b008 00000000 00000003 000281f0 00000000 00000000 [ 61.988339] 3fc0: 0003b008 00000000 00025eb0 0000017b 00000000 00000002 b6f8b000 00000000 [ 61.996552] 3fe0: be93cc00 be93cbf0 0001f888 b6ee2a82 800b0030 00000003 ffffffff ffffffff [ 62.004761] Backtrace: [ 62.007228] [] (find_candidate) from [] (__dma_request_channel+0x50/0x90) [ 62.015791] r9:00000000 r8:c0e28870 r7:0000000a r6:00000000 r5:00000000 r4:c0e28880 [ 62.023573] [] (__dma_request_channel) from [] (dma_request_chan_by_mask+0x20/0x30) [ 62.033009] r9:00000000 r8:00000001 r7:ed348140 r6:bf244000 r5:00000000 r4:ffffe000 [ 62.040794] [] (dma_request_chan_by_mask) from [] (edma_test_init+0x18/0x1000 [edma_pcie]) [ 62.050845] [] (edma_test_init [edma_pcie]) from [] (do_one_initcall+0x4c/0x170) [ 62.060018] r7:ed348140 r6:bf244000 r5:00000000 r4:ffffe000 [ 62.065708] [] (do_one_initcall) from [] (do_init_module+0x68/0x1f8) [ 62.073833] r8:00000001 r7:ed348140 r6:ed2ca040 r5:00000001 r4:bf241000 [ 62.080567] [] (do_init_module) from [] (load_module+0x1f0c/0x24ac) [ 62.088605] r7:bf241000 r6:ed2ca040 r5:00000001 r4:ec923f40 [ 62.094291] [] (load_module) from [] (SyS_finit_module+0xa4/0xbc) [ 62.102156] r10:00000000 r9:ec922000 r8:c0207e64 r7:0000017b r6:000281f0 r5:00000003 [ 62.110019] r4:00000000 [ 62.112567] [] (SyS_finit_module) from [] (ret_fast_syscall+0x0/0x4c) [ 62.120778] r6:00025eb0 r5:00000000 r4:0003b008 [ 62.125417] Code: e1a05000 e1a07002 e1a08003 0a000005 (e5913000) Broadcast message from systemd-journald@AirlinkBCP (Thu 2021[ 62.132772] ---[ end trace ce8b24a45630791d ]--- -10-07 06:04:02 UTC): kernel[561]: [ 61.678024] Internal error: Oops: 207 [#1] PREEMPT SMP ARM Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.797349] Process insmod (pid: 965, stack limit = 0xec922210) Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.803293] Stack: (0xec923d08 to 0xec924000) Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.807668] 3d00: c0e28880 00000000 00000000 0000000a c0e28870 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.815881] 3d20: ec923d54 ec923d30 c060ddb4 c060db88 ffffe000 00000000 bf244000 ed348140 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.824094] 3d40: 00000001 00000000 ec923d64 ec923d58 c060e69c c060dd70 ec923dc4 ec923d68 Segmentation fault Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.832307] 3d60: bf244018 c060e688 ed2c9c40 200f0013 ed2c9c40 00000001 8040003e 600f0013 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:02 UTC): kernel[561]: [ 61.840518] 3d80: 00000000 c0e7e80c ec923dec 8040003e f62d6fff f62d7000 00000002 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.848731] 3da0: 8040003f fffff000 ffffe000 00000000 bf244000 ed348140 ec923e34 ec923dc8 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.856943] 3dc0: c02019fc bf24400c ffffe000 ed2c9c40 ef414444 ee801e40 ffffe000 00019a9b Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.865156] 3de0: 00000000 ed2ca064 ec923e24 ec923df8 c032c2c4 c032bec4 00000001 f62d1000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.873369] 3e00: ec923e34 ec923e10 c032d400 c0336fbc bf241000 bf241000 00000001 ed2ca040 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.881581] 3e20: ed348140 00000001 ec923e5c ec923e38 c02b1e98 c02019bc ec923e5c ec923e48 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.889792] 3e40: ec923f40 00000001 ed2ca040 bf241000 ec923f1c ec923e60 c02b0d3c c02b1e3c Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.898005] 3e60: bf24100c 00007fff bf241000 c02addd8 bf000000 c0b47dd4 c0b47dac bf241114 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.906218] 3e80: c0b47efc c0b92b18 bf241130 c0a045d0 bf241100 00000000 bf241048 bf241000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.914429] 3ea0: c03446a0 c04fc7c4 00000003 00000005 ec923edc 00000000 00000000 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.922640] 3ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.930852] 3ee0: 00000000 00000000 00000000 00000000 7fffffff 00000000 00000003 000281f0 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.939066] 3f00: 0000017b c0207e64 ec922000 00000000 ec923fa4 ec923f20 c02b14ec c02aee3c Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.947278] 3f20: 7fffffff 00000000 00000003 ec923f3c ec923f40 f62d1000 00004c88 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.955490] 3f40: f62d14d6 f62d1000 00004c88 f62d5670 f62d54f4 f62d4cdc 00003000 00003180 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.963703] 3f60: 00000000 00000000 00000000 00001710 00000024 00000025 0000000c 0000000a Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.971915] 3f80: 00000008 00000000 00000000 0003b008 00000000 00025eb0 00000000 ec923fa8 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.980127] 3fa0: c0207c80 c02b1454 0003b008 00000000 00000003 000281f0 00000000 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.988339] 3fc0: 0003b008 00000000 00025eb0 0000017b 00000000 00000002 b6f8b000 00000000 Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 61.996552] 3fe0: be93cc00 be93cbf0 0001f888 b6ee2a82 800b0030 00000003 ffffffff ffffffff Broadcast message from systemd-journald@AirlinkBCP (Thu 2021-10-07 06:04:03 UTC): kernel[561]: [ 62.125417] Code: e1a05000 e1a07002 e1a08003 0a000005 (e5913000)