daedalus-v4l2{,-dkms}: f04d700 -> f55b2cd (UAF lifetime fix)

Bumps all 4 daedalus packages (arch + debian × userspace + dkms)
to pick up daedalus-v4l2 f55b2cd: "kernel: media_request_get/put
around inf->req (UAF safety)".

Closes the SHIP-WITH-EYES-OPEN concern Sonnet flagged in the
pre-deployment review — without explicit media_request_get on
capture + media_request_put on completion, a concurrent
MEDIA_IOC_REQUEST_REINIT or process-kill triggering
buf_request_complete from the cancel path could drop vb2's
reference before our completion handler ran, leaving inf->req
dangling through v4l2_ctrl_request_complete + buf_done.

Matches the cedrus / rkvdec refcount pattern.  No protocol
change, no API change, no consumer-side adjustment required.
Same byte-exact output verified on hertz post-fix (libva path:
match; standalone test_m2m_stream: 30/30 frames).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-05-18 18:39:40 +00:00
parent 4776dc01d2
commit 1bd11eaf27
6 changed files with 14 additions and 14 deletions
+2 -2
View File
@@ -1,7 +1,7 @@
daedalus-v4l2 (0.1.0+r15+gf04d700-1) bookworm trixie; urgency=medium
daedalus-v4l2 (0.1.0+r16+gf55b2cd-1) bookworm trixie; urgency=medium
* Initial Debian packaging for the daedalus-v4l2 userspace daemon.
* Pinned to f04d700 (Phase 8.13 close): first commit where the full
* Pinned to f55b2cd (Phase 8.13 close): first commit where the full
ffmpeg -hwaccel vaapi → libva-v4l2-request-fourier → /dev/video0
→ daemon path lands a pixel-correct decoded NV12 frame back in
ffmpeg.