Public bug reported:
Hi
I'm running ubuntu server for monitoring (zoneminder) and other services, and
it crashes after few days of running.
Sometimes I don't have crash in logs, and server has no monitor or keyboard
attached to it. I made the server remote syslog reporting for that problem, but
this time I got the logs.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.4 LTS
Release: 22.04
Codename: jammy
The first stack trace mentions raid5_get_active_stripe that's why I
report it here.
maj 04 13:11:23 recorder kernel: BUG: kernel NULL pointer dereference, address:
00000000000006b1
maj 04 13:11:23 recorder kernel: #PF: supervisor read access in kernel mode
maj 04 13:11:23 recorder kernel: #PF: error_code(0x0000) - not-present page
maj 04 13:11:23 recorder kernel: PGD 0 P4D 0
maj 04 13:11:23 recorder kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
maj 04 13:11:23 recorder kernel: CPU: 17 PID: 2493492 Comm: kworker/u40:0 Not
tainted 5.19.0-1030-lowlatency #30-Ubuntu
maj 04 13:11:23 recorder kernel: Hardware name: ASUS System Product Name/PRIME
Z790-A WIFI, BIOS 1630 02/04/2024
maj 04 13:11:23 recorder kernel: Workqueue: blkcg_punt_bio blkg_async_bio_workfn
maj 04 13:11:23 recorder kernel: RIP: 0010:init_stripe+0x1be/0x290 [raid456]
maj 04 13:11:23 recorder kernel: Code: 8b 45 70 39 45 c4 0f 85 d5 fe ff ff 48
8b 53 38 c7 43 5c 00 00 00 00 49 89 d4 41 81 e4 f8 0f 00 00 4d 03 65 00 0f 1f
44 00 00 <49> 8b 04 24 48 89 03 48 85 c0 74 04 48 89 58 08 49 89 1c 24 4c 89
maj 04 13:11:23 recorder kernel: RSP: 0018:ffffae88f614fad8 EFLAGS: 00010016
maj 04 13:11:23 recorder kernel: RAX: 00000000b9560b72 RBX: ffff9beb6aea0ac0
RCX: 0000000000000000
maj 04 13:11:23 recorder kernel: RDX: 000000031eda66a8 RSI: 0000000000000000
RDI: 0000000000000000
maj 04 13:11:23 recorder kernel: RBP: ffffae88f614fb20 R08: 0000000000000000
R09: 0000000000000000
maj 04 13:11:23 recorder kernel: R10: 0000000000000000 R11: 0000000000000000
R12: 00000000000006b1
maj 04 13:11:23 recorder kernel: R13: ffff9bec46325800 R14: 00000000ffffffff
R15: 0000000000000000
maj 04 13:11:23 recorder kernel: FS: 0000000000000000(0000)
GS:ffff9bfb7fc40000(0000) knlGS:0000000000000000
maj 04 13:11:23 recorder kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
maj 04 13:11:23 recorder kernel: CR2: 00000000000006b1 CR3: 0000000657610000
CR4: 0000000000750ee0
maj 04 13:11:23 recorder kernel: PKRU: 55555554
maj 04 13:11:23 recorder kernel: Call Trace:
maj 04 13:11:23 recorder kernel: <TASK>
maj 04 13:11:23 recorder kernel: raid5_get_active_stripe+0x1a4/0x3b0 [raid456]
maj 04 13:11:23 recorder kernel: ? add_stripe_bio+0x29e/0x3c0 [raid456]
maj 04 13:11:23 recorder kernel: raid5_make_request+0x193/0x5b0 [raid456]
maj 04 13:11:23 recorder kernel: ? destroy_sched_domains_rcu+0x40/0x40
maj 04 13:11:23 recorder kernel: md_handle_request+0x13d/0x1e0
maj 04 13:11:23 recorder kernel: ? __blk_queue_split+0x4b/0x1f0
maj 04 13:11:23 recorder kernel: md_submit_bio+0x71/0xd0
maj 04 13:11:23 recorder kernel: __submit_bio+0xa1/0x1a0
maj 04 13:11:23 recorder kernel: __submit_bio_noacct+0x81/0x1f0
maj 04 13:11:23 recorder kernel: submit_bio_noacct_nocheck+0x104/0x1d0
maj 04 13:11:23 recorder kernel: ? run_one_async_free+0x12/0x20 [btrfs]
maj 04 13:11:23 recorder kernel: ? kfree+0x30f/0x330
maj 04 13:11:23 recorder kernel: submit_bio_noacct+0x1b9/0x620
maj 04 13:11:23 recorder kernel: submit_bio+0x40/0xf0
maj 04 13:11:23 recorder kernel: blkg_async_bio_workfn+0x7d/0xd0
maj 04 13:11:23 recorder kernel: process_one_work+0x21c/0x400
maj 04 13:11:23 recorder kernel: worker_thread+0x22b/0x3f0
maj 04 13:11:23 recorder kernel: ? rescuer_thread+0x3a0/0x3a0
maj 04 13:11:23 recorder kernel: kthread+0xeb/0x120
maj 04 13:11:23 recorder kernel: ? kthread_complete_and_exit+0x20/0x20
maj 04 13:11:23 recorder kernel: ret_from_fork+0x1f/0x30
maj 04 13:11:23 recorder kernel: </TASK>
maj 04 13:11:23 recorder kernel: Modules linked in: iTCO_wdt intel_pmc_bxt
iTCO_vendor_support tls veth nf_conntrack_netlink xfrm_user xfrm_algo
xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE ipt_REJECT nf_reject_ipv4
bridge 8021q garp mrp stp llc overlay nft_chain_nat xt_nat nf_nat xt_tcpudp
xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat
nf_tables nfnetlink binfmt_misc nls_iso8859_1 btusb btrtl iwlmvm btbcm btintel
intel_rapl_msr btmtk intel_rapl_common mac80211 x86_pkg_temp_thermal bluetooth
libarc4 intel_powerclamp ecdh_generic iwlwifi mei_pxp kvm_intel cmdlinepart
mei_hdcp ecc spi_nor pmt_telemetry pmt_class kvm asus_nb_wmi eeepc_wmi mtd
wmi_bmof cfg80211 mei_me mei intel_vsec acpi_pad mac_hid acpi_tad sch_fq_codel
nct6775 dm_multipath nct6775_core hwmon_vid scsi_dh_rdac scsi_dh_emc coretemp
scsi_dh_alua msr efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic
raid10 raid1 raid0 multipath linear mlx4_ib ib_uverbs mlx4_en ib_core
hid_generic usbhid hid raid456
maj 04 13:11:23 recorder kernel: async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c i915 drm_buddy i2c_algo_bit ttm
drm_display_helper cec rc_core drm_kms_helper crct10dif_pclmul crc32_pclmul
syscopyarea mfd_aaeon ghash_clmulni_intel asus_wmi sysfillrect aesni_intel
sysimgblt fb_sys_fops sparse_keymap crypto_simd platform_profile cryptd nvme
i2c_i801 mlx4_core spi_intel_pci drm igc nvme_core ahci spi_intel i2c_smbus
intel_lpss_pci xhci_pci intel_lpss libahci vmd xhci_pci_renesas idma64 wmi
video pinctrl_alderlake
maj 04 13:11:23 recorder kernel: CR2: 00000000000006b1
maj 04 13:11:23 recorder kernel: ---[ end trace 0000000000000000 ]---
maj 04 13:11:23 recorder kernel: RIP: 0010:init_stripe+0x1be/0x290 [raid456]
maj 04 13:11:23 recorder kernel: Code: 8b 45 70 39 45 c4 0f 85 d5 fe ff ff 48
8b 53 38 c7 43 5c 00 00 00 00 49 89 d4 41 81 e4 f8 0f 00 00 4d 03 65 00 0f 1f
44 00 00 <49> 8b 04 24 48 89 03 48 85 c0 74 04 48 89 58 08 49 89 1c 24 4c 89
maj 04 13:11:23 recorder kernel: RSP: 0018:ffffae88f614fad8 EFLAGS: 00010016
maj 04 13:11:23 recorder kernel: RAX: 00000000b9560b72 RBX: ffff9beb6aea0ac0
RCX: 0000000000000000
maj 04 13:11:23 recorder kernel: RDX: 000000031eda66a8 RSI: 0000000000000000
RDI: 0000000000000000
maj 04 13:11:23 recorder kernel: RBP: ffffae88f614fb20 R08: 0000000000000000
R09: 0000000000000000
maj 04 13:11:23 recorder kernel: R10: 0000000000000000 R11: 0000000000000000
R12: 00000000000006b1
maj 04 13:11:23 recorder kernel: R13: ffff9bec46325800 R14: 00000000ffffffff
R15: 0000000000000000
maj 04 13:11:23 recorder kernel: FS: 0000000000000000(0000)
GS:ffff9bfb7fc40000(0000) knlGS:0000000000000000
maj 04 13:11:23 recorder kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
maj 04 13:11:23 recorder kernel: CR2: 00000000000006b1 CR3: 0000000101a6e000
CR4: 0000000000750ee0
maj 04 13:11:23 recorder kernel: PKRU: 55555554
maj 04 13:11:23 recorder kernel: note: kworker/u40:0[2493492] exited with
preempt_count 1
maj 04 13:11:23 recorder kernel: ------------[ cut here ]------------
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "full_crash.txt.bz2"
https://bugs.launchpad.net/bugs/2064827/+attachment/5774945/+files/full_crash.txt.bz2
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https://bugs.launchpad.net/bugs/2064827
Title:
[5.19.0-1030-lowlatency] BUG: kernel NULL pointer dereference,
address: 00000000000006b1
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