Got the same just a sec ago: --- apr 14 09:45:02 thecastles kernel: BUG: kernel NULL pointer dereference, address: 0000000000000000 apr 14 09:45:02 thecastles kernel: #PF: supervisor read access in kernel mode apr 14 09:45:02 thecastles kernel: #PF: error_code(0x0000) - not-present page apr 14 09:45:02 thecastles kernel: PGD 0 P4D 0 apr 14 09:45:02 thecastles kernel: Oops: 0000 [#1] SMP NOPTI apr 14 09:45:02 thecastles kernel: CPU: 1 PID: 24409 Comm: ThreadPoolForeg Tainted: G OE 5.8.0-48-generic #54~20.04.1-Ubuntu apr 14 09:45:02 thecastles kernel: Hardware name: LENOVO 90J0000VIX/36EE, BIOS O3TKT50A 09/01/2020 apr 14 09:45:02 thecastles kernel: RIP: 0010:unlink_anon_vmas+0x22/0x1b0 apr 14 09:45:02 thecastles kernel: Code: 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 4c 8d 6f 78 41 54 53 48 83 ec 08 48 8b 47 78 48 89 7d d0 <48> 8b 30 49 39 c5 0f 84 5f 01 00 00 4c 8d 70 f0 4c 8d 66 f0 31 db apr 14 09:45:02 thecastles kernel: RSP: 0018:ffffa29303e0bba8 EFLAGS: 00010292 apr 14 09:45:02 thecastles kernel: RAX: 0000000000000000 RBX: ffff8bd2ada57520 RCX: 0000000000000000 apr 14 09:45:02 thecastles kernel: RDX: 00007f6ec0231000 RSI: ffff8bd57bb8d3d8 RDI: ffff8bd2ada57520 apr 14 09:45:02 thecastles kernel: RBP: ffffa29303e0bbd8 R08: 00007f6ec0231000 R09: ffffffff9ca83800 apr 14 09:45:02 thecastles kernel: R10: ffff8bd3a2289b00 R11: 0000000000000001 R12: 00007f6eaf97d000 apr 14 09:45:02 thecastles kernel: R13: ffff8bd2ada57598 R14: 0000000000000000 R15: ffff8bd2ada56410 apr 14 09:45:02 thecastles kernel: FS: 00007f6ea609f700(0000) GS:ffff8bd57ee40000(0000) knlGS:0000000000000000 apr 14 09:45:02 thecastles kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 apr 14 09:45:02 thecastles kernel: CR2: 0000000000000000 CR3: 000000020075e000 CR4: 00000000003406e0 apr 14 09:45:02 thecastles kernel: Call Trace: apr 14 09:45:02 thecastles kernel: free_pgtables+0x93/0xf0 apr 14 09:45:02 thecastles kernel: exit_mmap+0xc7/0x1b0 apr 14 09:45:02 thecastles kernel: mmput+0x5d/0x130 apr 14 09:45:02 thecastles kernel: begin_new_exec+0x431/0x9d0 apr 14 09:45:02 thecastles kernel: load_elf_binary+0x145/0xdc0 apr 14 09:45:02 thecastles kernel: ? ima_bprm_check+0x89/0xb0 apr 14 09:45:02 thecastles kernel: exec_binprm+0x134/0x430 apr 14 09:45:02 thecastles kernel: __do_execve_file.isra.0+0x50d/0x7d0 apr 14 09:45:02 thecastles kernel: __x64_sys_execve+0x39/0x50 apr 14 09:45:02 thecastles kernel: do_syscall_64+0x49/0xc0 apr 14 09:45:02 thecastles kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 apr 14 09:45:02 thecastles kernel: RIP: 0033:0x7f6ec03192fb apr 14 09:45:02 thecastles kernel: Code: Unable to access opcode bytes at RIP 0x7f6ec03192d1. apr 14 09:45:02 thecastles kernel: RSP: 002b:00007f6ea609dad8 EFLAGS: 00000212 ORIG_RAX: 000000000000003b apr 14 09:45:02 thecastles kernel: RAX: ffffffffffffffda RBX: 000009d4dfa88f80 RCX: 00007f6ec03192fb apr 14 09:45:02 thecastles kernel: RDX: 000009d4de902380 RSI: 000009d4dfa88f80 RDI: 00007f6ea609dae0 apr 14 09:45:02 thecastles kernel: RBP: 00007f6ea609dc20 R08: 0000000000000011 R09: 00007f6ea609da26 apr 14 09:45:02 thecastles kernel: R10: 0000000000000000 R11: 0000000000000212 R12: 000009d4de902380 apr 14 09:45:02 thecastles kernel: R13: 000009d4e324a240 R14: 000009d4de7fbf4e R15: 000009d4de7fbf56 apr 14 09:45:02 thecastles kernel: Modules linked in: uas usb_storage binfmt_misc xt_nat xt_tcpudp veth xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter br_netfilter bridge stp llc aufs overlay nls_iso8859_1 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi uvcvideo snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_usbmidi_lib videobuf2_v4l2 snd_hda_intel videobuf2_common snd_intel_dspcfg snd_hda_codec videodev snd_hda_core snd_hwdep rtsx_usb_ms memstick edac_mce_amd snd_pcm kvm_amd snd_seq_midi snd_seq_midi_event kvm snd_rawmidi snd_seq mc joydev input_leds rapl serio_raw wmi_bmof k10temp snd_seq_device snd_timer snd snd_rn_pci_acp3x snd_pci_acp3x soundcore ccp mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 rtsx_usb_sdmmc rtsx_usb hid_generic usbhid hid amdgpu(OE) iommu_v2 amd_sched(OE) amdttm(OE) crct10dif_pclmul apr 14 09:45:02 thecastles kernel: amdkcl(OE) i2c_algo_bit crc32_pclmul ghash_clmulni_intel drm_kms_helper aesni_intel syscopyarea crypto_simd sysfillrect sysimgblt cryptd fb_sys_fops glue_helper cec rc_core nvme ahci psmouse xhci_pci libahci drm i2c_piix4 r8169 nvme_core xhci_pci_renesas realtek wmi video apr 14 09:45:02 thecastles kernel: CR2: 0000000000000000 apr 14 09:45:02 thecastles kernel: ---[ end trace 364e8e925d8f1e4b ]--- apr 14 09:45:02 thecastles kernel: RIP: 0010:unlink_anon_vmas+0x22/0x1b0 apr 14 09:45:02 thecastles kernel: Code: 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 4c 8d 6f 78 41 54 53 48 83 ec 08 48 8b 47 78 48 89 7d d0 <48> 8b 30 49 39 c5 0f 84 5f 01 00 00 4c 8d 70 f0 4c 8d 66 f0 31 db apr 14 09:45:02 thecastles kernel: RSP: 0018:ffffa29303e0bba8 EFLAGS: 00010292 apr 14 09:45:02 thecastles kernel: RAX: 0000000000000000 RBX: ffff8bd2ada57520 RCX: 0000000000000000 apr 14 09:45:02 thecastles kernel: RDX: 00007f6ec0231000 RSI: ffff8bd57bb8d3d8 RDI: ffff8bd2ada57520 apr 14 09:45:02 thecastles kernel: RBP: ffffa29303e0bbd8 R08: 00007f6ec0231000 R09: ffffffff9ca83800 apr 14 09:45:02 thecastles kernel: R10: ffff8bd3a2289b00 R11: 0000000000000001 R12: 00007f6eaf97d000 apr 14 09:45:02 thecastles kernel: R13: ffff8bd2ada57598 R14: 0000000000000000 R15: ffff8bd2ada56410 apr 14 09:45:02 thecastles kernel: FS: 00007f6ea609f700(0000) GS:ffff8bd57ee40000(0000) knlGS:0000000000000000 apr 14 09:45:02 thecastles kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 apr 14 09:45:02 thecastles kernel: CR2: 00007f6ec03192d1 CR3: 000000020075e000 CR4: 00000000003406e0 ---
Linux thecastles 5.8.0-48-generic #54~20.04.1-Ubuntu SMP Sat Mar 20 13:40:25 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux Ubuntu 20.04.2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1900889 Title: BUG: kernel NULL pointer dereference, address: 0000000000000000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1900889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
