This can be reproduced with 5.3.0-20 on the same node as well:
WARNING: CPU: 1 PID: 2799 at mm/page_alloc.c:4702
__alloc_pages_nodemask+0x25e/0x318
Modules linked in: xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle
ip6table_nat nf_tables nfnetlink ip6table_filter ip6_tables iptable_mangle
xt_CHECKSUM iptable_nat xt_MASQUERADE xt_tcpudp bridge iptable_filter bpfilter
aufs overlay 8021q garp stp mrp llc openvswitch nsh nf_conncount nf_nat
nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 binfmt_misc zfs(PO) zunicode(PO)
zavl(PO) icp(PO) zlua(PO) zcommon(PO) znvpair(PO) spl(O) genwqe_card crc_itu_t
chsc_sch eadm_sch ctcm fsm vfio_ccw vfio_mdev mdev vfio_iommu_type1 vfio
sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables x_tables
btrfs zstd_compress zlib_deflate raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 linear
dm_service_time pkey zcrypt crc32_vx_s390 ghash_s390 prng aes_s390 mlx4_ib
ib_uverbs mlx4_en qeth_l2 des_s390 des_generic ptp pps_core ib_core sha512_s390
sha256_s390 sha1_s390 sha_common mlx4_core zfcp scsi_transport_fc qeth qdio
ccwgroup
dasd_eckd_mod dasd_mod scsi_dh_emc scsi_dh_rdac scsi_dh_alua dm_multipath
CPU: 1 PID: 2799 Comm: test_verifier Tainted: P O
5.3.0-20-generic #21-Ubuntu
Hardware name: IBM 2964 N63 400 (LPAR)
Krnl PSW : 0704c00180000000 00000002ec206c9e
(__alloc_pages_nodemask+0x25e/0x318)
R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3
Krnl GPRS: da15f4fd64a5a47d 0000000000040dc0 0000000000040dc0 000000000000000a
0000000000000000 0000000000000000 000000000000000a 00000002ec00c6b8
00000000003d0900 0000000000000dc0 000003e00a16b000 000003e00a16b000
00000003a6c20000 000002aa09e798e0 000003e00279bb28 000003e00279baa8
Krnl Code: 00000002ec206c92: a7212000 tmll %r2,8192
00000002ec206c96: a774ff87 brc 7,2ec206ba4
#00000002ec206c9a: a7f40001 brc 15,2ec206c9c
>00000002ec206c9e: a7890000 lghi %r8,0
00000002ec206ca2: a7f4ff83 brc 15,2ec206ba8
00000002ec206ca6: a7180000 lhi %r1,0
00000002ec206caa: a7f4ff1b brc 15,2ec206ae0
00000002ec206cae: e31003400004 lg %r1,832
Call Trace:
([<000003e00279bb88>] 0x3e00279bb88)
[<00000002ec1d33a0>] kmalloc_order_trace+0x40/0x100
[<00000002ec00c6b8>] bpf_int_jit_compile+0x70/0x240
[<00000002ec1568ce>] bpf_prog_select_runtime+0x13e/0x190
[<00000002ec15a14c>] bpf_prog_load+0x2dc/0x6a8
[<00000002ec15aca6>] __do_sys_bpf+0x78e/0x10c0
[<00000002ec856228>] system_call+0xdc/0x2c8
Last Breaking-Event-Address:
[<00000002ec206c9a>] __alloc_pages_nodemask+0x25a/0x318
---[ end trace d7b63e2466552ed4 ]---
** Tags added: 5.3 eoan s390x sru-20191021 ubuntu-bpf
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1851829
Title:
kernel trace found with ubuntu_bpf test on Eoan s390x LPAR
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