Tested with stress-ng V0.13.12 5.17.1-051701-generic - Not OK 5.17.3-051703-generic - Not OK 5.17.5-051705-generic - Not OK 5.18.0-051800rc1-generic - OK [ 51.103647] BUG: unable to handle page fault for address: 0000000000001cc8 [ 51.103724] #PF: supervisor read access in kernel mode [ 51.103768] #PF: error_code(0x0000) - not-present page [ 51.103810] PGD 0 P4D 0 [ 51.103838] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 51.103876] CPU: 26 PID: 3277 Comm: stress-ng Not tainted 5.17.5-051705-generic #202204271406 [ 51.103943] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.0D.01.0395.022720191340 02/27/2019 [ 51.104020] RIP: 0010:__next_zones_zonelist+0x6/0x50 [ 51.104074] Code: 39 d0 0f 4e d0 3d ff 03 00 00 7f 0e 48 63 d2 5d 48 8b 04 d5 a0 ed e4 85 c3 cc 31 c0 5d c3 cc 0f 1f 44 00 00 0f 1f 44 00 00 55 <8b> 4f 08 48 89 f8 48 89 e5 48 85 d2 75 10 eb 1e 48 63 49 50 48 0f [ 51.104210] RSP: 0018:ffffa28424897aa8 EFLAGS: 00010286 [ 51.104254] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.104309] RDX: ffff95c7e17b2e00 RSI: 0000000000000002 RDI: 0000000000001cc0 [ 51.104365] RBP: ffffa28424897b10 R08: 0000000000000000 R09: 0000000000000000 [ 51.104419] R10: 0000000000000002 R11: fffffffffffffffc R12: 0000000000052cc0 [ 51.104474] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000152cc0 [ 51.104528] FS: 00007faa2a8b7b80(0000) GS:ffff95f38ca80000(0000) knlGS:0000000000000000 [ 51.104591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.104637] CR2: 0000000000001cc8 CR3: 000000bd74a92004 CR4: 00000000007706e0 [ 51.104692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.104747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.104802] PKRU: 55555554 [ 51.104827] Call Trace: [ 51.104851] [ 51.104874] ? __alloc_pages+0x305/0x340 [ 51.104918] kmalloc_large_node+0x45/0xa0 [ 51.104958] ? krc_this_cpu_lock+0x36/0x40 [ 51.104998] __kmalloc_node+0x2f9/0x3e0 [ 51.105036] kvmalloc_node+0x4f/0x90 [ 51.105072] expand_one_shrinker_info+0x82/0x180 [ 51.105116] prealloc_shrinker+0x174/0x1d0 [ 51.105154] alloc_super+0x2b3/0x340 [ 51.105188] ? fput+0x20/0x20 [ 51.105220] sget_fc+0x6f/0x2e0 [ 51.105249] ? kill_litter_super+0x50/0x50 [ 51.105289] ? mqueue_get_tree+0x20/0x20 [ 51.105329] get_tree_keyed+0x34/0xd0 [ 51.105362] mqueue_get_tree+0x1c/0x20 [ 51.105396] vfs_get_tree+0x27/0xc0 [ 51.105431] fc_mount+0x13/0x50 [ 51.105463] mq_init_ns+0x10a/0x1b0 [ 51.105498] copy_ipcs+0x131/0x230 [ 51.105531] create_new_namespaces+0xa6/0x2e0 [ 51.105575] unshare_nsproxy_namespaces+0x5a/0xb0 [ 51.105620] ksys_unshare+0x1a0/0x380 [ 51.106980] ? switch_task_namespaces+0x40/0x70 [ 51.108315] __x64_sys_unshare+0x12/0x20 [ 51.109648] do_syscall_64+0x59/0xc0 [ 51.111359] ? exit_to_user_mode_prepare+0x37/0xb0 [ 51.112920] ? syscall_exit_to_user_mode+0x27/0x50 [ 51.114260] ? __x64_sys_unshare+0x12/0x20 [ 51.115594] ? do_syscall_64+0x69/0xc0 [ 51.116919] ? exit_to_user_mode_prepare+0x37/0xb0 [ 51.118226] ? syscall_exit_to_user_mode+0x27/0x50 [ 51.119490] ? __x64_sys_close+0x11/0x50 [ 51.120708] ? do_syscall_64+0x69/0xc0 [ 51.121876] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.122937] RIP: 0033:0x7faa2a9ecfcb [ 51.123680] Code: 73 01 c3 48 8b 0d 65 1e 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 35 1e 0f 00 f7 d8 64 89 01 48 [ 51.125272] RSP: 002b:00007fffa228d818 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 51.126105] RAX: ffffffffffffffda RBX: 00007fffa228d9c0 RCX: 00007faa2a9ecfcb [ 51.126940] RDX: 000055ea47f8e022 RSI: 0000000008000000 RDI: 0000000008000000 [ 51.127783] RBP: 00007fffa228d870 R08: 000055ea47f6690e R09: 00007faa2a8b7b80 [ 51.128617] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea47f8e022 [ 51.129444] R13: 00007fffa228d9c0 R14: 0000000000000ca2 R15: 000055ea47f7d4e6 [ 51.130262] [ 51.131070] Modules linked in: kmem device_dax intel_rapl_msr intel_rapl_common isst_if_common nd_pmem dax_pmem nd_btt skx_edac ipmi_ssif x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm nls_iso8859_1 irdma rapl ice intel_cstate ib_uverbs efi_pstore ib_core joydev input_leds mei_me ioatdma mei intel_pch_thermal dca acpi_ipmi ipmi_si nfit mac_hid sch_fq_codel dm_multipath scsi_dh_rdac scsi_dh_emc ipmi_devintf scsi_dh_alua ipmi_msghandler msr ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid ast i2c_algo_bit drm_vram_helper drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt crct10dif_pclmul fb_sys_fops crc32_pclmul cec ghash_clmulni_intel rc_core aesni_intel crypto_simd i40e cryptd ahci i2c_i801 drm xhci_pci i2c_smbus libahci lpc_ich xhci_pci_renesas wmi [ 51.137127] CR2: 0000000000001cc8 [ 51.137872] ---[ end trace 0000000000000000 ]---