Dear Maintainer,
Upon upgrading from Debian Buster to Bullseye, I came across an sssd bug that was clearly upstream's, not Debian's. I filed a bug report with them (https://github.com/SSSD/sssd/issues/5785) and they quickly identified a fix (https://github.com/sumit-bose/sssd/commit/9075925a362e77bebba895724312a0093d2997b5) which I verified against Debian's 2.4.1-2 and has subsequently been accepted upstream (https://github.com/SSSD/sssd/pull/5787). Could this patch please be pulled back into Debian's build for Bullseye (and, I haven't tested, but it will also likely be needed in 2.5.2 in Bookworm and Sid, at least until the next upstream release anyway).
Please let me know if you need any additional information...
Thanks!