Huge memory leaks

you have :

secureboot active

Dec 12 16:22:20 Space kernel: integrity: Loaded X.509 cert 'HP Inc.: HP UEFI Secure Boot DB 2017: d9c01b50cfcae89d3b05345c163aa76e5dd589e7'
Dec 12 16:22:20 Space kernel: integrity: Loading X.509 certificate: UEFI:db
Dec 12 16:22:20 Space kernel: integrity: Loaded X.509 cert 'Microsoft Windows Production PCA 2011: a92902398e16c49778cd90f99e4f9ae17c55af53'
Dec 12 16:22:20 Space kernel: integrity: Loading X.509 certificate: UEFI:db
Dec 12 16:22:20 Space kernel: integrity: Loaded X.509 cert 'Microsoft Corporation UEFI CA 2011: 13adbf4309bd82709c8cd54f316ed522988a1bd4'
Dec 12 16:22:20 Space kernel: blacklist: Duplicate blacklisted hash bin:47ff1b63b140b6fc04ed79131331e651da5b2e2f170f5daef4153dc2fbc532b1
Dec 12 16:22:20 Space kernel: blacklist: Duplicate blacklisted hash bin:5391c3a2fb112102a6aa1edc25ae77e19f5d6f09cd09eeb2509922bfcd5992ea
Dec 12 16:22:20 Space kernel: blacklist: Duplicate blacklisted hash bin:80b4d96931bf0d02fd91a61e19d14f1da452e66db2408ca8604d411f92659f0a
Dec 12 16:22:20 Space kernel: blacklist: Duplicate blacklisted hash bin:992d359aa7a5f789d268b94c11b9485a6b1ce64362b0edb4441ccc187c39647b
Dec 12 16:22:20 Space kernel: blacklist: Duplicate blacklisted hash bin:c452ab846073df5ace25cca64d6b7a09d906308a1a65eb5240e3c4ebcaa9cc0c
Dec 12 16:22:20 Space kernel: blacklist: Duplicate blacklisted hash bin:e051b788ecbaeda53046c70e6af6058f95222c046157b8c4c1b9c2cfc65f46e5

then a stop systemd root

Dec 12 16:22:32 Space kernel: EXT4-fs (dm-0): mounted filesystem 72122d64-b756-40ba-9657-ac14b519ad35 r/w with ordered data mode. Quota mode: none.
Dec 12 16:22:33 Space systemd-journald[153]: Received SIGTERM from PID 1 (systemd).
Dec 12 16:22:33 Space systemd[1]: systemd 255-1-arch running in system mode (+PAM +AUDIT -SELINUX -APPARMOR -IMA +SMACK +SECCOMP +GCRYPT +GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK +XKBCOMMON +UTMP -SYSVINIT default-hierarchy=unified)
Dec 12 16:22:33 Space systemd[1]: Detected architecture x86-64.
Dec 12 16:22:33 Space systemd[1]: bpf-lsm: LSM BPF program attached
Dec 12 16:22:33 Space systemd[1]: /usr/lib/systemd/system/avahi-daemon.socket:22: ListenStream= references a path below legacy directory /var/run/, updating /var/run/avahi-daemon/socket → /run/avahi-daemon/socket; please update the unit file accordingly.
Dec 12 16:22:33 Space systemd[1]: initrd-switch-root.service: Deactivated successfully.
Dec 12 16:22:33 Space systemd[1]: Stopped Switch Root.

then a dump on i915 intel drivers video ( supposed to be locked ? )

Dec 12 16:22:34 Space kernel: ------------[ cut here ]------------
Dec 12 16:22:34 Space kernel: i915 0000:00:02.0: drm_WARN_ON(val == 0xffffffff)
Dec 12 16:22:34 Space kernel: WARNING: CPU: 0 PID: 597 at drivers/gpu/drm/i915/display/intel_tc.c:702 tgl_tc_phy_init+0xd6/0x100 [i915]

can you , remove secure boot , CSM ,
boot on USB iso endevouros ,check memory Ram , and if possible also upgrade your kernel ( dont stay on kernel 6.6.4 or 5 , version kernel 6.6.6 S REQUIRED )

see linux-lts-can-cause-non-serious-data-loss-on-ext4-filesystem/48938

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