Re: [syzbot] [ceph?] [fs?] KASAN: slab-use-after-free Read in ceph_compare_super

[syzbot]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to checkout kernel repo https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git on commit 28c736b0e92e: failed to run ["git" "fetch" "--force" "--tags" "fc608f7504e8b3e110eb6e7b798cef357818c5e1"]: exit status 1
>From https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next
 + 28c736b0e92e...2ee82481c392 master        -> fc608f7504e8b3e110eb6e7b798cef357818c5e1/master  (forced update)
 + 0b86d65557b6...63006762d709 pending-fixes -> fc608f7504e8b3e110eb6e7b798cef357818c5e1/pending-fixes  (forced update)
   f7757129e3de..2dde18cd1d8f  stable        -> fc608f7504e8b3e110eb6e7b798cef357818c5e1/stable
 * [new tag]                   next-20230828 -> next-20230828
error: cannot lock ref 'refs/tags/v6.5': 'refs/tags/v6.5/vfs.fixes' exists; cannot create 'refs/tags/v6.5'
 ! [new tag]                   v6.5          -> v6.5  (unable to update local ref)
error: some local refs could not be updated; try running
 'git remote prune fc608f7504e8b3e110eb6e7b798cef357818c5e1' to remove any old, conflicting branches



Tested on:

commit:         [unknown 
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 28c736b0e92e
kernel config:  https://syzkaller.appspot.com/x/.config?x=20999f779fa96017
dashboard link: https://syzkaller.appspot.com/bug?extid=2b8cbfa6e34e51b6aa50
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=108a71dfa80000