Re: [PATCH 5.15.y, 5.10.y] exfat: fix potential deadlock on __exfat_get_dentry_set

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On Sat, Dec 14, 2024 at 05:57:01PM +0000, Sherry Yang wrote:
> Hi, 
> 
> > On Dec 14, 2024, at 6:26 AM, Sasha Levin <sashal@xxxxxxxxxx> wrote:
> > 
> > [ Sasha's backport helper bot ]
> > 
> > Hi,
> > 
> > The upstream commit SHA1 provided is correct: 89fc548767a2155231128cb98726d6d2ea1256c9
> > 
> > WARNING: Author mismatch between patch and upstream commit:
> > Backport author: Sherry Yang <sherry.yang@xxxxxxxxxx>
> > Commit author: Sungjong Seo <sj1557.seo@xxxxxxxxxxx>
> > 
> > 
> > Status in newer kernel trees:
> > 6.12.y | Present (exact SHA1)
> > 6.6.y | Present (different SHA1: a7ac198f8dba)
> > 6.1.y | Not found
> > 5.15.y | Not found
> 
> I didn’t backport the commit to linux-stable-6.1.y, because 6.1.y didn’t backport the culprit commit 
> a3ff29a95fde ("exfat: support dynamic allocate bh for exfat_entry_set_cache”), so not influenced.
> 
> However, both linux-stable-5.15.y and linux-stable-5.10.y actually backported the culprit commit. So I’m trying to fix it on 5.15.y and 5.10.y.
> 
> Let me know if you have more questions about it.

That's confusing, why doesn't 6.1.y have that commit?  Shouldn't we also
add it there along with this one?

thanks,

greg k-h




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