Public bug reported:
I am seeing this in Ubuntu 22.04 with kernel 5.15.0-67.74:
Mar 23 12:38:32 box kernel: [13399.080589] ------------[ cut here ]------------
Mar 23 12:38:32 box kernel: [13399.080596] kernel BUG at lib/assoc_array.c:652!
Mar 23 12:38:32 box kernel: [13399.082833] invalid opcode: 0000 [#1] SMP PTI
Mar 23 12:38:32 box kernel: [13399.084912] CPU: 27 PID: 3746279 Comm:
kworker/27:3 Tainted: G OE 5.15.0-67-generic #74-Ubuntu
Mar 23 12:38:32 box kernel: [13399.087091] Hardware name: HP ProLiant DL380
Gen9/ProLiant DL380 Gen9, BIOS P89 07/18/2022
Mar 23 12:38:32 box kernel: [13399.089195] Workqueue: cifsiod
cifs_resolve_server [cifs]
Mar 23 12:38:32 box kernel: [13399.091379] RIP:
0010:assoc_array_insert_into_terminal_node.isra.0+0x806/0xc20
Mar 23 12:38:32 box kernel: [13399.093480] Code: 4c 63 e2 44 8d 6a 01 49 83 fc
10 0f 87 d7 01 00 00 4c 8b 4d b8 44 89 ea 4b 8d 4c e1 10 e9 a7 fc ff ff 0f 0b
0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 48 c7 c7 e0 cf 4b 9c e8 ba 37 03 00 e9 53 f8 ff
ff 0f
Mar 23 12:38:32 box kernel: [13399.097735] RSP: 0018:ffffc08e7a66fa20 EFLAGS:
00010286
Mar 23 12:38:32 box kernel: [13399.099790] RAX: 0000000000000002 RBX:
00000000ffffffff RCX: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.101871] RDX: ffff9d2275968000 RSI:
000000000000000f RDI: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.103963] RBP: ffffc08e7a66faa0 R08:
ffff9d31e7cbda00 R09: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.106111] R10: ffff9cb6cfc93800 R11:
000000000000000c R12: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.108209] R13: 000000000000000f R14:
0000000000000000 R15: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.110292] FS: 0000000000000000(0000)
GS:ffff9d14bfc40000(0000) knlGS:0000000000000000
Mar 23 12:38:32 box kernel: [13399.112355] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Mar 23 12:38:32 box kernel: [13399.114411] CR2: 00007f3a9b9e4a58 CR3:
00000012c8810005 CR4: 00000000001706e0
Mar 23 12:38:32 box kernel: [13399.116461] Call Trace:
Mar 23 12:38:32 box kernel: [13399.118452] <TASK>
Mar 23 12:38:32 box kernel: [13399.120455] assoc_array_insert+0x153/0x170
Mar 23 12:38:32 box kernel: [13399.122422] ? _raw_spin_lock+0x22/0x30
Mar 23 12:38:32 box kernel: [13399.124357] ? key_alloc+0x2e6/0x550
Mar 23 12:38:32 box kernel: [13399.126273] __key_link_begin+0x4c/0xb0
Mar 23 12:38:32 box kernel: [13399.128153] construct_alloc_key+0xdb/0x270
Mar 23 12:38:32 box kernel: [13399.130032] request_key_and_link+0x22c/0x320
Mar 23 12:38:32 box kernel: [13399.131867] ? dns_resolver_read+0x30/0x30
Mar 23 12:38:32 box kernel: [13399.133689] ? key_default_cmp+0x30/0x30
Mar 23 12:38:32 box kernel: [13399.135469] request_key_tag+0x49/0x90
Mar 23 12:38:32 box kernel: [13399.137241] dns_query+0x13d/0x250
Mar 23 12:38:32 box kernel: [13399.138989]
dns_resolve_server_name_to_ip+0xb7/0x310 [cifs]
Mar 23 12:38:32 box kernel: [13399.141130] ? scnprintf+0x4d/0x90
Mar 23 12:38:32 box kernel: [13399.142866]
reconn_set_ipaddr_from_hostname+0x86/0x2b0 [cifs]
Mar 23 12:38:32 box kernel: [13399.144654] ?
finish_task_switch.isra.0+0x7e/0x280
Mar 23 12:38:32 box kernel: [13399.146412] cifs_resolve_server+0x2c/0x90 [cifs]
Mar 23 12:38:32 box kernel: [13399.148176] process_one_work+0x22b/0x3d0
Mar 23 12:38:32 box kernel: [13399.149845] worker_thread+0x53/0x420
Mar 23 12:38:32 box kernel: [13399.151459] ? process_one_work+0x3d0/0x3d0
Mar 23 12:38:32 box kernel: [13399.153061] kthread+0x12a/0x150
Mar 23 12:38:32 box kernel: [13399.154631] ? set_kthread_struct+0x50/0x50
Mar 23 12:38:32 box kernel: [13399.156181] ret_from_fork+0x22/0x30
Mar 23 12:38:32 box kernel: [13399.157716] </TASK>
Mar 23 12:38:32 box kernel: [13399.159565] Modules linked in: xt_REDIRECT
xt_state ip_vs_rr xt_ipvs ip_vs vxlan ip6_udp_tunnel udp_tunnel xt_policy
xt_mark xt_u32 veth xt_nat xt_tcpudp xt_conntrack nft_chain_nat xt_MASQUERADE
nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink
br_netfilter bridge stp llc cmac nls_utf8 cifs cifs_arc4 cifs_md4 binfmt_misc
nfsv3 rpcsec_gss_krb5 nfsv4 nfs fscache netfs cpuid eset_rtp(OE-) overlay hpwdt
nls_iso8859_1 intel_rapl_msr intel_rapl_common sb_edac ipmi_ssif
x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul
ghash_clmulni_intel aesni_intel crypto_simd cryptd rapl intel_cstate mgag200
drm_kms_helper cec rc_core i2c_algo_bit fb_sys_fops syscopyarea sysfillrect
ioatdma input_leds joydev hpilo sysimgblt dca acpi_ipmi ipmi_si ipmi_devintf
ipmi_msghandler acpi_tad acpi_power_meter mac_hid sch_fq_codel dm_multipath
scsi_dh_rdac scsi_dh_emc scs
i_dh_alua coretemp lp parport
Mar 23 12:38:32 box kernel: [13399.159693] ramoops reed_solomon pstore_blk
pstore_zone efi_pstore drm nfsd nfs_acl lockd auth_rpcgss grace sunrpc
ip_tables x_tables autofs4 btrfs blake2b_generic xor zstd_compress raid6_pq
hid_generic bnx2x usbhid nvme i2c_i801 hpsa ahci xhci_pci mdio crc32_pclmul hid
libahci lpc_ich tg3 i2c_smbus nvme_core xhci_pci_renesas scsi_transport_sas
libcrc32c wmi
Mar 23 12:38:32 box kernel: [13399.179701] ---[ end trace 2ef4625ad06f1cf9 ]---
Mar 23 12:38:32 box kernel: [13399.194447] RIP:
0010:assoc_array_insert_into_terminal_node.isra.0+0x806/0xc20
Mar 23 12:38:32 box kernel: [13399.195804] Code: 4c 63 e2 44 8d 6a 01 49 83 fc
10 0f 87 d7 01 00 00 4c 8b 4d b8 44 89 ea 4b 8d 4c e1 10 e9 a7 fc ff ff 0f 0b
0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 48 c7 c7 e0 cf 4b 9c e8 ba 37 03 00 e9 53 f8 ff
ff 0f
Mar 23 12:38:32 box kernel: [13399.198454] RSP: 0018:ffffc08e7a66fa20 EFLAGS:
00010286
Mar 23 12:38:32 box kernel: [13399.199789] RAX: 0000000000000002 RBX:
00000000ffffffff RCX: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.201169] RDX: ffff9d2275968000 RSI:
000000000000000f RDI: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.202543] RBP: ffffc08e7a66faa0 R08:
ffff9d31e7cbda00 R09: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.203923] R10: ffff9cb6cfc93800 R11:
000000000000000c R12: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.205327] R13: 000000000000000f R14:
0000000000000000 R15: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.206740] FS: 0000000000000000(0000)
GS:ffff9d14bfc40000(0000) knlGS:0000000000000000
Mar 23 12:38:32 box kernel: [13399.208166] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Mar 23 12:38:32 box kernel: [13399.209633] CR2: 00007f3a9b9e4a58 CR3:
00000012c8810005 CR4: 00000000001706e0
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
--
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https://bugs.launchpad.net/bugs/2012661
Title:
kernel BUG at lib/assoc_array.c:652!
Status in linux package in Ubuntu:
Incomplete
Bug description:
I am seeing this in Ubuntu 22.04 with kernel 5.15.0-67.74:
Mar 23 12:38:32 box kernel: [13399.080589] ------------[ cut here
]------------
Mar 23 12:38:32 box kernel: [13399.080596] kernel BUG at
lib/assoc_array.c:652!
Mar 23 12:38:32 box kernel: [13399.082833] invalid opcode: 0000 [#1] SMP PTI
Mar 23 12:38:32 box kernel: [13399.084912] CPU: 27 PID: 3746279 Comm:
kworker/27:3 Tainted: G OE 5.15.0-67-generic #74-Ubuntu
Mar 23 12:38:32 box kernel: [13399.087091] Hardware name: HP ProLiant DL380
Gen9/ProLiant DL380 Gen9, BIOS P89 07/18/2022
Mar 23 12:38:32 box kernel: [13399.089195] Workqueue: cifsiod
cifs_resolve_server [cifs]
Mar 23 12:38:32 box kernel: [13399.091379] RIP:
0010:assoc_array_insert_into_terminal_node.isra.0+0x806/0xc20
Mar 23 12:38:32 box kernel: [13399.093480] Code: 4c 63 e2 44 8d 6a 01 49 83
fc 10 0f 87 d7 01 00 00 4c 8b 4d b8 44 89 ea 4b 8d 4c e1 10 e9 a7 fc ff ff 0f
0b 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 48 c7 c7 e0 cf 4b 9c e8 ba 37 03 00 e9 53 f8
ff ff 0f
Mar 23 12:38:32 box kernel: [13399.097735] RSP: 0018:ffffc08e7a66fa20 EFLAGS:
00010286
Mar 23 12:38:32 box kernel: [13399.099790] RAX: 0000000000000002 RBX:
00000000ffffffff RCX: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.101871] RDX: ffff9d2275968000 RSI:
000000000000000f RDI: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.103963] RBP: ffffc08e7a66faa0 R08:
ffff9d31e7cbda00 R09: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.106111] R10: ffff9cb6cfc93800 R11:
000000000000000c R12: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.108209] R13: 000000000000000f R14:
0000000000000000 R15: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.110292] FS: 0000000000000000(0000)
GS:ffff9d14bfc40000(0000) knlGS:0000000000000000
Mar 23 12:38:32 box kernel: [13399.112355] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Mar 23 12:38:32 box kernel: [13399.114411] CR2: 00007f3a9b9e4a58 CR3:
00000012c8810005 CR4: 00000000001706e0
Mar 23 12:38:32 box kernel: [13399.116461] Call Trace:
Mar 23 12:38:32 box kernel: [13399.118452] <TASK>
Mar 23 12:38:32 box kernel: [13399.120455] assoc_array_insert+0x153/0x170
Mar 23 12:38:32 box kernel: [13399.122422] ? _raw_spin_lock+0x22/0x30
Mar 23 12:38:32 box kernel: [13399.124357] ? key_alloc+0x2e6/0x550
Mar 23 12:38:32 box kernel: [13399.126273] __key_link_begin+0x4c/0xb0
Mar 23 12:38:32 box kernel: [13399.128153] construct_alloc_key+0xdb/0x270
Mar 23 12:38:32 box kernel: [13399.130032] request_key_and_link+0x22c/0x320
Mar 23 12:38:32 box kernel: [13399.131867] ? dns_resolver_read+0x30/0x30
Mar 23 12:38:32 box kernel: [13399.133689] ? key_default_cmp+0x30/0x30
Mar 23 12:38:32 box kernel: [13399.135469] request_key_tag+0x49/0x90
Mar 23 12:38:32 box kernel: [13399.137241] dns_query+0x13d/0x250
Mar 23 12:38:32 box kernel: [13399.138989]
dns_resolve_server_name_to_ip+0xb7/0x310 [cifs]
Mar 23 12:38:32 box kernel: [13399.141130] ? scnprintf+0x4d/0x90
Mar 23 12:38:32 box kernel: [13399.142866]
reconn_set_ipaddr_from_hostname+0x86/0x2b0 [cifs]
Mar 23 12:38:32 box kernel: [13399.144654] ?
finish_task_switch.isra.0+0x7e/0x280
Mar 23 12:38:32 box kernel: [13399.146412] cifs_resolve_server+0x2c/0x90
[cifs]
Mar 23 12:38:32 box kernel: [13399.148176] process_one_work+0x22b/0x3d0
Mar 23 12:38:32 box kernel: [13399.149845] worker_thread+0x53/0x420
Mar 23 12:38:32 box kernel: [13399.151459] ? process_one_work+0x3d0/0x3d0
Mar 23 12:38:32 box kernel: [13399.153061] kthread+0x12a/0x150
Mar 23 12:38:32 box kernel: [13399.154631] ? set_kthread_struct+0x50/0x50
Mar 23 12:38:32 box kernel: [13399.156181] ret_from_fork+0x22/0x30
Mar 23 12:38:32 box kernel: [13399.157716] </TASK>
Mar 23 12:38:32 box kernel: [13399.159565] Modules linked in: xt_REDIRECT
xt_state ip_vs_rr xt_ipvs ip_vs vxlan ip6_udp_tunnel udp_tunnel xt_policy
xt_mark xt_u32 veth xt_nat xt_tcpudp xt_conntrack nft_chain_nat xt_MASQUERADE
nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink
br_netfilter bridge stp llc cmac nls_utf8 cifs cifs_arc4 cifs_md4 binfmt_misc
nfsv3 rpcsec_gss_krb5 nfsv4 nfs fscache netfs cpuid eset_rtp(OE-) overlay hpwdt
nls_iso8859_1 intel_rapl_msr intel_rapl_common sb_edac ipmi_ssif
x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul
ghash_clmulni_intel aesni_intel crypto_simd cryptd rapl intel_cstate mgag200
drm_kms_helper cec rc_core i2c_algo_bit fb_sys_fops syscopyarea sysfillrect
ioatdma input_leds joydev hpilo sysimgblt dca acpi_ipmi ipmi_si ipmi_devintf
ipmi_msghandler acpi_tad acpi_power_meter mac_hid sch_fq_codel dm_multipath
scsi_dh_rdac scsi_dh_emc s
csi_dh_alua coretemp lp parport
Mar 23 12:38:32 box kernel: [13399.159693] ramoops reed_solomon pstore_blk
pstore_zone efi_pstore drm nfsd nfs_acl lockd auth_rpcgss grace sunrpc
ip_tables x_tables autofs4 btrfs blake2b_generic xor zstd_compress raid6_pq
hid_generic bnx2x usbhid nvme i2c_i801 hpsa ahci xhci_pci mdio crc32_pclmul hid
libahci lpc_ich tg3 i2c_smbus nvme_core xhci_pci_renesas scsi_transport_sas
libcrc32c wmi
Mar 23 12:38:32 box kernel: [13399.179701] ---[ end trace 2ef4625ad06f1cf9
]---
Mar 23 12:38:32 box kernel: [13399.194447] RIP:
0010:assoc_array_insert_into_terminal_node.isra.0+0x806/0xc20
Mar 23 12:38:32 box kernel: [13399.195804] Code: 4c 63 e2 44 8d 6a 01 49 83
fc 10 0f 87 d7 01 00 00 4c 8b 4d b8 44 89 ea 4b 8d 4c e1 10 e9 a7 fc ff ff 0f
0b 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 48 c7 c7 e0 cf 4b 9c e8 ba 37 03 00 e9 53 f8
ff ff 0f
Mar 23 12:38:32 box kernel: [13399.198454] RSP: 0018:ffffc08e7a66fa20 EFLAGS:
00010286
Mar 23 12:38:32 box kernel: [13399.199789] RAX: 0000000000000002 RBX:
00000000ffffffff RCX: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.201169] RDX: ffff9d2275968000 RSI:
000000000000000f RDI: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.202543] RBP: ffffc08e7a66faa0 R08:
ffff9d31e7cbda00 R09: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.203923] R10: ffff9cb6cfc93800 R11:
000000000000000c R12: 0000000000000001
Mar 23 12:38:32 box kernel: [13399.205327] R13: 000000000000000f R14:
0000000000000000 R15: ffff9d2275969b00
Mar 23 12:38:32 box kernel: [13399.206740] FS: 0000000000000000(0000)
GS:ffff9d14bfc40000(0000) knlGS:0000000000000000
Mar 23 12:38:32 box kernel: [13399.208166] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Mar 23 12:38:32 box kernel: [13399.209633] CR2: 00007f3a9b9e4a58 CR3:
00000012c8810005 CR4: 00000000001706e0
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