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Augusto Caringi
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MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/6475 JIRA: https://issues.redhat.com/browse/RHEL-81489 CVE: CVE-2024-58005 ``` commit a3a860bc0fd6c07332e4911cf9a238d20de90173 Author: Jarkko Sakkinen <jarkko@kernel.org> Date: Fri Dec 27 17:39:09 2024 +0200 tpm: Change to kvalloc() in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: [ 10.693310][ T1] tpm_tis STM0925:00: 2.0 TPM (device-id 0x3, rev-id 0) [ 10.848132][ T1] ------------[ cut here ]------------ [ 10.853559][ T1] WARNING: CPU: 59 PID: 1 at mm/page_alloc.c:4727 __alloc_pages_noprof+0x2ca/0x330 [ 10.862827][ T1] Modules linked in: [ 10.866671][ T1] CPU: 59 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-lp155.2.g52785e2-default #1 openSUSE Tumbleweed (unreleased) 588cd98293a7c9eba9013378d807364c088c9375 [ 10.882741][ T1] Hardware name: HPE ProLiant DL320 Gen12/ProLiant DL320 Gen12, BIOS 1.20 10/28/2024 [ 10.892170][ T1] RIP: 0010:__alloc_pages_noprof+0x2ca/0x330 [ 10.898103][ T1] Code: 24 08 e9 4a fe ff ff e8 34 36 fa ff e9 88 fe ff ff 83 fe 0a 0f 86 b3 fd ff ff 80 3d 01 e7 ce 01 00 75 09 c6 05 f8 e6 ce 01 01 <0f> 0b 45 31 ff e9 e5 fe ff ff f7 c2 00 00 08 00 75 42 89 d9 80 e1 [ 10.917750][ T1] RSP: 0000:ffffb7cf40077980 EFLAGS: 00010246 [ 10.923777][ T1] RAX: 0000000000000000 RBX: 0000000000040cc0 RCX: 0000000000000000 [ 10.931727][ T1] RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000040cc0 The above transcript shows that ACPI pointed a 16 MiB buffer for the log events because RSI maps to the 'order' parameter of __alloc_pages_noprof(). Address the bug by moving from devm_kmalloc() to devm_add_action() and kvmalloc() and devm_add_action(). Suggested-by:Ard Biesheuvel <ardb@kernel.org> Cc: stable@vger.kernel.org # v2.6.16+ Fixes: 55a82ab3 ("[PATCH] tpm: add bios measurement log") Reported-by:
Andy Liang <andy.liang@hpe.com> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219495 Reviewed-by:
Ard Biesheuvel <ardb@kernel.org> Reviewed-by:
Stefan Berger <stefanb@linux.ibm.com> Reviewed-by:
Takashi Iwai <tiwai@suse.de> Tested-by:
Andy Liang <andy.liang@hpe.com> Signed-off-by:
Jarkko Sakkinen <jarkko@kernel.org>```> Signed-off-by:
CKI Backport Bot <cki-ci-bot+cki-gitlab-backport-bot@redhat.com> --- <small>Created 2025-02-27 22:45 UTC by backporter - [KWF FAQ](https://red.ht/kernel_workflow_doc) - [Slack #team-kernel-workflow](https://redhat-internal.slack.com/archives/C04LRUPMJQ5) - [Source](https://gitlab.com/cki-project/kernel-workflow/-/blob/main/webhook/utils/backporter.py) - [Documentation](https://gitlab.com/cki-project/kernel-workflow/-/blob/main/docs/README.backporter.md) - [Report an issue](https://gitlab.com/cki-project/kernel-workflow/-/issues/new?issue%5Btitle%5D=backporter%20webhook%20issue)</small > Approved-by:
Štěpán Horáček <shoracek@redhat.com> Approved-by:
Jerry Snitselaar <jsnitsel@redhat.com> Approved-by:
CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com> Merged-by:
Augusto Caringi <acaringi@redhat.com>
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