ACK: [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

[Agathe Porte]

2024-06-07 06:06 CEST, John Cabaj:
> 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(-)

Acked-by: Agathe Porte <agathe.porte at canonical.com>