[ 44.141696] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 44.151523] pgd = 80004000 [ 44.155752] [00000000] *pgd=00000000 [ 44.160892] Internal error: Oops: 5 [#1] SMP ARM [ 44.167186] Modules linked in: bnep hci_uart btbcm serdev bluetooth ecdh_generic evdev ir_lirc_codec lirc_dev r820t rtl2832 brcmfmac i2c_mux brcmutil dvb_usb_rtl28xxu dvb_usb_v2 dvb_core cfg80211 rfkil l snd_bcm2835(C) snd_pcm snd_timer snd uio_pdrv_genirq fixed uio ip_tables x_tables ipv6 [ 44.198150] CPU: 2 PID: 19 Comm: ksoftirqd/2 Tainted: G C 4.14.69-v7+ #1141 [ 44.207933] Hardware name: BCM2835 [ 44.212978] task: b9d34b00 task.stack: b9d42000 [ 44.219178] PC is at file_free_rcu+0x24/0x60 [ 44.225310] LR is at rcu_process_callbacks+0x28c/0x66c [ 44.225319] pc : [<8028c398>] lr : [<80182524>] psr: a0000013 [ 44.225324] sp : b9d43e68 ip : b9d43e80 fp : b9d43e7c [ 44.225327] r10: b9d42000 r9 : 0000000a r8 : 80c101c0 [ 44.225335] r7 : b9d43ea0 r6 : ba3733a0 r5 : 80c0fd40 r4 : b7172b40 [ 44.225347] r3 : b7172b40 r2 : 8028c374 r1 : bab5c830 r0 : 00000000 [ 44.225352] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 44.225355] Control: 10c5383d Table: 396d806a DAC: 00000055 [ 44.225362] Process ksoftirqd/2 (pid: 19, stack limit = 0xb9d42210) [ 44.225367] Stack: (0xb9d43e68 to 0xb9d44000) [ 44.225373] 3e60: b7172b40 ba373380 b9d43edc b9d43e80 80182524 8028c380 [ 44.225378] 3e80: 60000013 8079d994 80c0fd40 80c8fe6c 80c03d68 80c882d5 80b8a46c 80c03e08 [ 44.225383] 3ea0: b71729c0 b966fbf0 fffffffb 00000000 b9d43edc 80c020a4 00000009 b9d42020 [ 44.225388] 3ec0: 00000100 80c0b590 00000024 00000200 b9d43f44 b9d43ee0 80101694 801822a4 [ 44.225393] 3ee0: 8079e2f4 ba372d40 00000000 04208040 80c02d00 ffff9c10 00000009 80c978c0 [ 44.225398] 3f00: 80c886b0 80c03d68 80b86380 80c02080 b9d43ee0 0000000a b9cd0b00 b9d42000 [ 44.225403] 3f20: b9cd0b00 00000000 00000001 80c0b590 00000000 b9cf9db8 b9d43f54 b9d43f48 [ 44.225408] 3f40: 80123450 80101514 b9d43f7c b9d43f58 80141e8c 80123418 b9cd0bc0 00000000 [ 44.225413] 3f60: b9cd0b80 b9cd0b00 80141d68 b9cd0bdc b9d43fac b9d43f80 8013da6c 80141d74 [ 44.225418] 3f80: ffffffff b9cd0b80 8013d930 00000000 00000000 00000000 00000000 00000000 [ 44.225423] 3fa0: 00000000 b9d43fb0 8010810c 8013d93c 00000000 00000000 00000000 00000000 [ 44.225427] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 44.225432] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 44.225461] [<8028c398>] (file_free_rcu) from [<80182524>] (rcu_process_callbacks+0x28c/0x66c) [ 44.225474] [<80182524>] (rcu_process_callbacks) from [<80101694>] (__do_softirq+0x18c/0x3d8) [ 44.225485] [<80101694>] (__do_softirq) from [<80123450>] (run_ksoftirqd+0x44/0x6c) [ 44.225496] [<80123450>] (run_ksoftirqd) from [<80141e8c>] (smpboot_thread_fn+0x124/0x1a4) [ 44.225508] [<80141e8c>] (smpboot_thread_fn) from [<8013da6c>] (kthread+0x13c/0x16c) [ 44.225521] [<8013da6c>] (kthread) from [<8010810c>] (ret_from_fork+0x14/0x28) [ 44.225532] Code: e1a04000 e5900060 f57ff05b f590f000 (e1902f9f) [ 44.225626] ---[ end trace f79bbc4886573700 ]--- [ 44.225631] Kernel panic - not syncing: Fatal exception in interrupt [ 44.225643] CPU0: stopping [ 44.225650] CPU: 0 PID: 1 Comm: systemd Tainted: G D C 4.14.69-v7+ #1141 [ 44.225651] Hardware name: BCM2835 [ 44.225663] [<8010ffd8>] (unwind_backtrace) from [<8010c240>] (show_stack+0x20/0x24) [ 44.225671] [<8010c240>] (show_stack) from [<807879e4>] (dump_stack+0xd4/0x118) [ 44.225680] [<807879e4>] (dump_stack) from [<8010e458>] (handle_IPI+0x2bc/0x33c) [ 44.225686] [<8010e458>] (handle_IPI) from [<801014d8>] (bcm2836_arm_irqchip_handle_irq+0x7c/0xac) [ 44.225693] [<801014d8>] (bcm2836_arm_irqchip_handle_irq) from [<807a357c>] (__irq_svc+0x5c/0x7c) [ 44.225696] Exception stack(0xb9cf9d10 to 0xb9cf9d58) [ 44.225699] 9d00: 01462000 01462002 90f00000 01462002 [ 44.225704] 9d20: 349c47df b96d1f00 b96d6000 01462000 34a4675f b96d6000 b913e000 b9cf9d7c [ 44.225708] 9d40: 90f00000 b9cf9d60 b96d1f00 8010e988 00000113 ffffffff [ 44.225715] [<807a357c>] (__irq_svc) from [<8010e988>] (flush_tlb_page+0x94/0xc8) [ 44.225722] [<8010e988>] (flush_tlb_page) from [<80261fe8>] (ptep_clear_flush+0x58/0x60) [ 44.225731] [<80261fe8>] (ptep_clear_flush) from [<80255794>] (wp_page_copy+0x310/0x600) [ 44.225738] [<80255794>] (wp_page_copy) from [<80258374>] (do_wp_page+0x16c/0x590) [ 44.225745] [<80258374>] (do_wp_page) from [<802596e0>] (handle_mm_fault+0x4a0/0xc20) [ 44.225751] [<802596e0>] (handle_mm_fault) from [<807a404c>] (do_page_fault+0x330/0x3a4) [ 44.225757] [<807a404c>] (do_page_fault) from [<801011e0>] (do_DataAbort+0x48/0xc4) [ 44.225762] [<801011e0>] (do_DataAbort) from [<807a3864>] (__dabt_usr+0x44/0x60) [ 44.225764] Exception stack(0xb9cf9fb0 to 0xb9cf9ff8) [ 44.225767] 9fa0: 013e5120 00000001 013d98b8 01462f68 [ 44.225772] 9fc0: 013d98b8 7ead0a6c 7ead0a68 00000000 013e5120 00000001 fffffffe 00000005 [ 44.225776] 9fe0: 76f285f8 7ead0a38 0055c85c 005571e0 20000010 ffffffff [ 44.225779] CPU1: stopping [ 44.225783] CPU: 1 PID: 583 Comm: systemd-cgroups Tainted: G D C 4.14.69-v7+ #1141 [ 44.225785] Hardware name: BCM2835 [ 44.225792] [<8010ffd8>] (unwind_backtrace) from [<8010c240>] (show_stack+0x20/0x24) [ 44.225798] [<8010c240>] (show_stack) from [<807879e4>] (dump_stack+0xd4/0x118) [ 44.225804] [<807879e4>] (dump_stack) from [<8010e458>] (handle_IPI+0x2bc/0x33c) [ 44.225809] [<8010e458>] (handle_IPI) from [<801014d8>] (bcm2836_arm_irqchip_handle_irq+0x7c/0xac) [ 44.225815] [<801014d8>] (bcm2836_arm_irqchip_handle_irq) from [<807a357c>] (__irq_svc+0x5c/0x7c) [ 44.225817] Exception stack(0xb67a5cd8 to 0xb67a5d20) [ 44.225820] 5cc0: b9b62958 b67a5e28 [ 44.225824] 5ce0: 00000000 0000006f 006f006f 0000000e b9b62958 b67a5d80 b9b37590 00000000 [ 44.225830] 5d00: b9b62908 b67a5d44 b67a5d48 b67a5d28 802a2618 804a2140 60000013 ffffffff [ 44.225838] [<807a357c>] (__irq_svc) from [<804a2140>] (lockref_put_return+0x1c/0x98) [ 44.225848] [<804a2140>] (lockref_put_return) from [<802a2618>] (dput+0x40/0x2d0) [ 44.225858] [<802a2618>] (dput) from [<80298b7c>] (walk_component+0x138/0x2d4) [ 44.225865] [<80298b7c>] (walk_component) from [<80298ea0>] (link_path_walk+0x188/0x4a4) [ 44.225872] [<80298ea0>] (link_path_walk) from [<802992c0>] (path_lookupat+0x98/0x204) [ 44.225878] [<802992c0>] (path_lookupat) from [<8029aefc>] (filename_lookup+0x9c/0xf8) [ 44.225885] [<8029aefc>] (filename_lookup) from [<8029b040>] (user_path_at_empty+0x50/0x58) [ 44.225894] [<8029b040>] (user_path_at_empty) from [<802c2464>] (user_statfs+0x40/0x90) [ 44.225902] [<802c2464>] (user_statfs) from [<802c2530>] (SyS_statfs+0x24/0x40) [ 44.225909] [<802c2530>] (SyS_statfs) from [<80108060>] (ret_fast_syscall+0x0/0x28) [ 44.232253] CPU3: stopping [ 44.232257] CPU: 3 PID: 324 Comm: systemd-logind Tainted: G D C 4.14.69-v7+ #1141 [ 44.232258] Hardware name: BCM2835 [ 44.232266] [<8010ffd8>] (unwind_backtrace) from [<8010c240>] (show_stack+0x20/0x24) [ 44.232272] [<8010c240>] (show_stack) from [<807879e4>] (dump_stack+0xd4/0x118) [ 44.232277] [<807879e4>] (dump_stack) from [<8010e458>] (handle_IPI+0x2bc/0x33c) [ 44.232283] [<8010e458>] (handle_IPI) from [<801014d8>] (bcm2836_arm_irqchip_handle_irq+0x7c/0xac) [ 44.232288] [<801014d8>] (bcm2836_arm_irqchip_handle_irq) from [<807a357c>] (__irq_svc+0x5c/0x7c) [ 44.232290] Exception stack(0xb71f9c50 to 0xb71f9c98) [ 44.232294] 9c40: 397f5000 00000000 20000013 20000013 [ 44.232298] 9c60: 00000000 0000003a 00000000 80cbc4f8 b71f8000 80c9a580 00005a50 b71f9d14 [ 44.232302] 9c80: 80c04174 b71f9ca0 80173718 80173730 60000013 ffffffff [ 44.232309] [<807a357c>] (__irq_svc) from [<80173730>] (console_unlock+0x4d4/0x648) [ 44.232317] [<80173730>] (console_unlock) from [<8051ca34>] (con_shutdown+0x30/0x38) [ 44.232327] [<8051ca34>] (con_shutdown) from [<8050539c>] (release_tty+0x50/0x168) [ 44.232334] [<8050539c>] (release_tty) from [<805055a0>] (tty_release_struct+0x44/0x50) [ 44.232340] [<805055a0>] (tty_release_struct) from [<805072c8>] (tty_release+0x380/0x468) [ 44.232348] [<805072c8>] (tty_release) from [<8028c470>] (__fput+0x9c/0x1e8) [ 44.232355] [<8028c470>] (__fput) from [<8028c62c>] (____fput+0x18/0x1c) [ 44.232361] [<8028c62c>] (____fput) from [<8013bdf0>] (task_work_run+0xbc/0xe0) [ 44.232368] [<8013bdf0>] (task_work_run) from [<80121e00>] (do_exit+0x3b8/0xb9c) [ 44.232373] [<80121e00>] (do_exit) from [<8012267c>] (do_group_exit+0x4c/0xe4) [ 44.232380] [<8012267c>] (do_group_exit) from [<8012db2c>] (get_signal+0x36c/0x6bc) [ 44.232387] [<8012db2c>] (get_signal) from [<8010b2f4>] (do_signal+0xc4/0x3e4) [ 44.232394] [<8010b2f4>] (do_signal) from [<8010b7fc>] (do_work_pending+0xb8/0xd0) [ 44.232401] [<8010b7fc>] (do_work_pending) from [<80108094>] (slow_work_pending+0xc/0x20) [ 45.197219] ---[ end Kernel panic - not syncing: Fatal exception in interrupt