This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1973463 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1973463 Title: ZFS kernel null pointer dereference Status in linux package in Ubuntu: Incomplete Bug description: Ubuntu 22.04 LTS Linux server 5.15.0-30-generic #31-Ubuntu SMP Thu May 5 10:00:34 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux zfs-2.1.2-1ubuntu3 zfs-kmod-2.1.2-1ubuntu3 [ 1249.508427] BUG: kernel NULL pointer dereference, address: 000000000000002a [ 1249.508435] #PF: supervisor read access in kernel mode [ 1249.508438] #PF: error_code(0x0000) - not-present page [ 1249.508440] PGD 0 P4D 0 [ 1249.508444] Oops: 0000 [#1] SMP NOPTI [ 1249.508447] CPU: 3 PID: 2119 Comm: txg_sync Tainted: P W O 5.15.0-30-generic #31-Ubuntu [ 1249.508452] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AB350M Pro4, BIOS P5.90 07/03/2019 [ 1249.508455] RIP: 0010:rw_owner+0x0/0x10 [zfs] [ 1249.508564] Code: 00 00 c3 0f 1f 80 00 00 00 00 65 48 8b 04 25 c0 fb 01 00 48 89 47 28 c3 66 90 48 c7 47 28 00 00 00 00 c3 0f 1f 80 00 00 00 00 <48> 8b 47 28 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 e7 [ 1249.508571] RSP: 0018:ffffa8bec92b7c58 EFLAGS: 00010246 [ 1249.508576] RAX: 0000000000000000 RBX: ffff8cca7b162348 RCX: 0000000000000001 [ 1249.508580] RDX: 0000000000000000 RSI: ffffffffc1494df0 RDI: 0000000000000002 [ 1249.508583] RBP: ffffa8bec92b7c60 R08: ffff8cc62bfa4a80 R09: ffff8cc62bfa4a80 [ 1249.508587] R10: ffff8cc62bfa4a80 R11: 0000000000000000 R12: ffff8cca7b162280 [ 1249.508590] R13: 0000000000000009 R14: ffff8cca70f1ea30 R15: ffff8cc62bfa4a80 [ 1249.508594] FS: 0000000000000000(0000) GS:ffff8ccdfeac0000(0000) knlGS:0000000000000000 [ 1249.508598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1249.508601] CR2: 000000000000002a CR3: 00000004c2b7e000 CR4: 00000000003506e0 [ 1249.508607] Call Trace: [ 1249.508610] <TASK> [ 1249.508613] ? RW_WRITE_HELD+0x9/0x20 [zfs] [ 1249.508689] dmu_buf_will_dirty_impl+0x87/0x110 [zfs] [ 1249.508786] dmu_buf_will_dirty+0x16/0x20 [zfs] [ 1249.508869] space_map_write+0x3f/0x1a0 [zfs] [ 1249.508970] metaslab_sync+0x60a/0x8b0 [zfs] [ 1249.509066] ? __raw_spin_unlock+0x9/0x10 [zfs] [ 1249.509182] vdev_sync+0x72/0x190 [zfs] [ 1249.509281] spa_sync_iterate_to_convergence+0x14f/0x1e0 [zfs] [ 1249.509388] spa_sync+0x2dc/0x5b0 [zfs] [ 1249.509483] txg_sync_thread+0x266/0x2f0 [zfs] [ 1249.509582] ? txg_dispatch_callbacks+0x100/0x100 [zfs] [ 1249.509683] thread_generic_wrapper+0x64/0x70 [spl] [ 1249.509695] ? __thread_exit+0x20/0x20 [spl] [ 1249.509704] kthread+0x12a/0x150 [ 1249.509708] ? set_kthread_struct+0x50/0x50 [ 1249.509712] ret_from_fork+0x22/0x30 [ 1249.509717] </TASK> [ 1249.509718] Modules linked in: wireguard curve25519_x86_64 libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64 libcurve25519_generic libchacha libblake2s_generic sctp ip6_udp_tunnel udp_tunnel macvtap macvlan vhost_net vhost vhost_iotlb tap xt_nat veth xt_conntrack xt_MASQUERADE nf_conntrack_netlink xfrm_user xfrm_algo xt_addrtype br_netfilter ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compat nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_counter nf_tables libcrc32c nfnetlink bridge stp llc overlay intel_rapl_msr intel_rapl_common amd64_edac edac_mce_amd zfs(PO) zunicode(PO) snd_hda_codec_realtek kvm_amd zzstd(O) snd_hda_codec_generic zlua(O) snd_hda_codec_hdmi ledtrig_audio kvm crct10dif_pclmul ghash_clmulni_intel zcommon(PO) snd_usb_audio aesni_intel crypto_simd znvpair(PO) cryptd snd_usbmidi_lib zavl(PO) snd_hda_codec wmi_bmof snd_rawmidi rapl k10temp efi_pstore nls_iso8859_1 snd_hda_core snd_seq_device snd_hwdep icp(PO) mc snd_pcm spl(O) [ 1249.509765] input_leds snd_timer snd joydev soundcore ccp mac_hid sch_fq_codel nct6775 hwmon_vid parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid mpt3sas hid nvme uas raid_class usb_storage gpio_amdpt r8169 crc32_pclmul xhci_pci scsi_transport_sas ahci i2c_piix4 realtek e1000e nvme_core libahci xhci_pci_renesas wmi gpio_generic [last unloaded: snd_intel_sdw_acpi] [ 1249.509806] CR2: 000000000000002a [ 1249.509808] ---[ end trace 09588539e96f5ea2 ]--- [ 1250.063053] RIP: 0010:rw_owner+0x0/0x10 [zfs] [ 1250.063198] Code: 00 00 c3 0f 1f 80 00 00 00 00 65 48 8b 04 25 c0 fb 01 00 48 89 47 28 c3 66 90 48 c7 47 28 00 00 00 00 c3 0f 1f 80 00 00 00 00 <48> 8b 47 28 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 e7 [ 1250.063206] RSP: 0018:ffffa8bec92b7c58 EFLAGS: 00010246 [ 1250.063211] RAX: 0000000000000000 RBX: ffff8cca7b162348 RCX: 0000000000000001 [ 1250.063215] RDX: 0000000000000000 RSI: ffffffffc1494df0 RDI: 0000000000000002 [ 1250.063218] RBP: ffffa8bec92b7c60 R08: ffff8cc62bfa4a80 R09: ffff8cc62bfa4a80 [ 1250.063222] R10: ffff8cc62bfa4a80 R11: 0000000000000000 R12: ffff8cca7b162280 [ 1250.063225] R13: 0000000000000009 R14: ffff8cca70f1ea30 R15: ffff8cc62bfa4a80 [ 1250.063229] FS: 0000000000000000(0000) GS:ffff8ccdfeac0000(0000) knlGS:0000000000000000 [ 1250.063234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1250.063237] CR2: 000000000000002a CR3: 00000004c2b7e000 CR4: 00000000003506e0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1973463/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp