APPLIED: [SRU][noble:linux][PATCH 0/1] race_sched in ubuntu_stress_smoke_test will cause kernel panic on 6.8 with Azure Standard_A2_v2 instance
Stefan Bader
stefan.bader at canonical.com
Fri Jun 7 09:30:28 UTC 2024
On 07.06.24 06:05, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2068024
>
> SRU Justification
>
> [Impact]
>
> * When running stress-ng race-sched portion of ubuntu_stress_smoke_test, a NULL
> pointer dereference occurs on Azure Standard_A2_v2 instances with 100% reproducibility
>
> [Fix]
>
> * Clean cherry-pick from upstream
> * Commit 1560d1f6eb6b398bddd80c16676776c0325fe5fe "sched/eevdf: Prevent vlag from going out of bounds in reweight_eevdf()"
>
> [Test Plan]
>
> * Compile tested
> * Boot tested
> * Tested on Standard_A2_v2 instance, experienced panic without patch, successful
> test with patch
>
> [Regression potential]
>
> * Changes isolated, minimal regression risk
>
> Xuewen Yan (1):
> sched/eevdf: Prevent vlag from going out of bounds in reweight_eevdf()
>
> kernel/sched/fair.c | 18 ++++++++++++------
> 1 file changed, 12 insertions(+), 6 deletions(-)
>
Applied to noble:linux/master-next. Thanks.
-Stefan
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_0xE8675DEECBEECEA3.asc
Type: application/pgp-keys
Size: 48643 bytes
Desc: OpenPGP public key
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20240607/6577bedb/attachment-0001.key>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20240607/6577bedb/attachment-0001.sig>
More information about the kernel-team
mailing list