Comment 1 for bug 2068602

Same issue on ARM64 with 6.8.1-1002-realtime too:

stress-ng: error: [4568] klog-check: alert: [445.413206] 'Unable to handle kernel access to user memory outside uaccess routines at virtual address 0000000000000040'
stress-ng: error: [4568] klog-check: alert: [445.413235] 'Mem abort info:'
stress-ng: error: [4568] klog-check: alert: [445.413239] ' ESR = 0x0000000096000004'
stress-ng: error: [4568] klog-check: alert: [445.413244] ' EC = 0x25: DABT (current EL), IL = 32 bits'
stress-ng: error: [4568] klog-check: alert: [445.413251] ' SET = 0, FnV = 0'
stress-ng: error: [4568] klog-check: alert: [445.413256] ' EA = 0, S1PTW = 0'
stress-ng: error: [4568] klog-check: alert: [445.413260] ' FSC = 0x04: level 0 translation fault'
stress-ng: error: [4568] klog-check: alert: [445.413265] 'Data abort info:'
stress-ng: error: [4568] klog-check: alert: [445.413268] ' ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000'
stress-ng: error: [4568] klog-check: alert: [445.413273] ' CM = 0, WnR = 0, TnD = 0, TagAccess = 0'
stress-ng: error: [4568] klog-check: alert: [445.413279] ' GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0'
stress-ng: error: [4568] klog-check: alert: [445.413286] 'user pgtable: 4k pages, 48-bit VAs, pgdp=0000000128037000'
stress-ng: error: [4568] klog-check: alert: [445.413295] '[0000000000000040] pgd=0000000000000000, p4d=0000000000000000'
stress-ng: error: [4568] klog-check: emergency: [445.413316] 'Internal error: Oops: 0000000096000004 [#1] PREEMPT_RT SMP'
stress-ng: info: [4568] klog-check: warning: [445.413385] 'Modules linked in: nhpoly1305_neon nhpoly1305 libpoly1305 michael_mic md4 streebog_generic rmd160 crc32_generic cmac algif_rng twofish_generic twofish_common serpent_generic fcrypt cast6_generic cast5_generic cast_common camellia_generic blowfish_generic blowfish_common aes_arm64 algif_skcipher algif_hash aria_generic sm4_generic sm4_neon ccm aes_ce_ccm des_generic libdes authenc aegis128 algif_aead af_alg tls qrtr cfg80211 binfmt_misc nls_iso8859_1 dm_multipath efi_pstore nfnetlink dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 crct10dif_ce polyval_ce polyval_generic ghash_ce sm4 sha2_ce sha256_arm64 sha1_ce arm_smccc_trng virtio_rng xhci_pci xhci_pci_renesas aes_neon_bs aes_neon_blk aes_ce_blk aes_ce_cipher'
stress-ng: info: [4568] klog-check: warning: [445.413741] 'CPU: 18 PID: 8888 Comm: stress-ng-appar Not tainted 6.8.1-1002-realtime #2-Ubuntu'
stress-ng: info: [4568] klog-check: warning: [445.413759] 'Hardware name: QEMU KVM Virtual Machine, BIOS 2023.05-2ubuntu0.1 02/12/2024'
stress-ng: info: [4568] klog-check: warning: [445.413767] 'pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)'
stress-ng: info: [4568] klog-check: warning: [445.413778] 'pc : aafs_create.constprop.0+0xc0/0x170'
stress-ng: info: [4568] klog-check: warning: [445.413802] 'lr : aafs_create.constprop.0+0x70/0x170'
stress-ng: info: [4568] klog-check: warning: [445.413811] 'sp : ffff800085513b10'
stress-ng: info: [4568] klog-check: warning: [445.413815] 'x29: ffff800085513b10 x28: ffff14ec8bf7967c x27: 0000000000000000'
stress-ng: info: [4568] klog-check: warning: [445.413831] 'x26: 0000000000000000 x25: ffff14ec804e1600 x24: 0000000000000000'
stress-ng: info: [4568] klog-check: warning: [445.413846] 'x23: 0000000000000000 x22: 0000000000000000 x21: 00000000000041ed'
stress-ng: info: [4568] klog-check: warning: [445.413860] 'x20: ffffa043069917f8 x19: ffffa04304f2bb98 x18: ffff8000840f5068'
stress-ng: info: [4568] klog-check: warning: [445.413876] 'x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000'
stress-ng: info: [4568] klog-check: warning: [445.413890] 'x14: 0000000000000001 x13: 67652d6f69647561 x12: 0000000000000000'
stress-ng: info: [4568] klog-check: warning: [445.413905] 'x11: 0000000000000000 x10: ffffffffffff8478 x9 : ffffa04303752a9c'
stress-ng: info: [4568] klog-check: warning: [445.413919] 'x8 : ffff8000855139c8 x7 : 0000000000000000 x6 : ffffa04306597118'
stress-ng: info: [4568] klog-check: warning: [445.413934] 'x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000'
stress-ng: info: [4568] klog-check: warning: [445.413947] 'x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000'
stress-ng: info: [4568] klog-check: warning: [445.413962] 'Call trace:'
stress-ng: info: [4568] klog-check: warning: [445.413967] ' aafs_create.constprop.0+0xc0/0x170'
stress-ng: info: [4568] klog-check: warning: [445.413977] ' __aafs_profile_mkdir+0x3a4/0x4a0'
stress-ng: info: [4568] klog-check: warning: [445.413988] ' aa_replace_profiles+0x4ec/0x12c8'
stress-ng: info: [4568] klog-check: warning: [445.414003] ' policy_update+0xfc/0x1c0'
stress-ng: info: [4568] klog-check: warning: [445.414012] ' profile_replace+0x110/0x200'
stress-ng: info: [4568] klog-check: warning: [445.414022] ' vfs_write+0xe0/0x3a0'
stress-ng: info: [4568] klog-check: warning: [445.414037] ' ksys_write+0x80/0x140'
stress-ng: info: [4568] klog-check: warning: [445.414050] ' __arm64_sys_write+0x28/0x50'
stress-ng: info: [4568] klog-check: warning: [445.414063] ' invoke_syscall+0x7c/0x128'
stress-ng: info: [4568] klog-check: warning: [445.414075] ' el0_svc_common.constprop.0+0x4c/0x140'
stress-ng: info: [4568] klog-check: warning: [445.414085] ' do_el0_svc+0x28/0x58'
stress-ng: info: [4568] klog-check: warning: [445.414094] ' el0_svc+0x44/0x1c0'
stress-ng: info: [4568] klog-check: warning: [445.414107] ' el0t_64_sync_handler+0x148/0x158'
stress-ng: info: [4568] klog-check: warning: [445.414118] ' el0t_64_sync+0x1b0/0x1b8'
stress-ng: error: [4568] klog-check: emergency: [445.414135] 'Code: d2800010 d2800011 d65f03c0 f9002bfb (f940235b) '
stress-ng: info: [4568] klog-check: warning: [445.414171] '---[ end trace 0000000000000000 ]---'
stress-ng: error: [4568] klog-check: error: [445.670754] 'AppArmor DFA next/check upper bounds error'