Yep, the same here, 126 zombie processes:
ps -eo pid,ppid,stat,comm | grep '^.* Z'
1284559 573613 Z chrome
2434952 2434670 Z chrome-headless
2434953 2434670 Z chrome-headless
2439391 2434670 Z chrome-headless
2439392 2434670 Z chrome-headless
2448245 2434670 Z chrome-headless
2448246 2434670 Z chrome-headless
2535715 2434670 Z chrome-headless
2535716 2434670 Z chrome-headless
2540346 2434670 Z chrome-headless
2540347 2434670 Z chrome-headless
2544561 2434670 Z chrome-headless
2544562 2434670 Z chrome-headless
2549203 2434670 Z chrome-headless
2549204 2434670 Z chrome-headless
2553805 2434670 Z chrome-headless
2553806 2434670 Z chrome-headless
2558888 2434670 Z chrome-headless
2558889 2434670 Z chrome-headless
2563340 2434670 Z chrome-headless
2563341 2434670 Z chrome-headless
2568025 2434670 Z chrome-headless
2568026 2434670 Z chrome-headless
2572565 2434670 Z chrome-headless
2572566 2434670 Z chrome-headless
2576961 2434670 Z chrome-headless
2576962 2434670 Z chrome-headless
2581375 2434670 Z chrome-headless
2581376 2434670 Z chrome-headless
2621371 2434670 Z chrome-headless
2621373 2434670 Z chrome-headless
2667593 2434670 Z chrome-headless
2667594 2434670 Z chrome-headless
2672464 2434670 Z chrome-headless
2672465 2434670 Z chrome-headless
2676666 2434670 Z chrome-headless
2676667 2434670 Z chrome-headless
2684143 2434670 Z chrome-headless
2684144 2434670 Z chrome-headless
2688747 2434670 Z chrome-headless
2688748 2434670 Z chrome-headless
2693221 2434670 Z chrome-headless
2693222 2434670 Z chrome-headless
2697664 2434670 Z chrome-headless
2697665 2434670 Z chrome-headless
2702339 2434670 Z chrome-headless
2702340 2434670 Z chrome-headless
2706915 2434670 Z chrome-headless
2706916 2434670 Z chrome-headless
2711296 2434670 Z chrome-headless
2711297 2434670 Z chrome-headless
2715849 2434670 Z chrome-headless
2715850 2434670 Z chrome-headless
2721351 2434670 Z chrome-headless
2721352 2434670 Z chrome-headless
2725678 2434670 Z chrome-headless
2725679 2434670 Z chrome-headless
2730832 2434670 Z chrome-headless
2730833 2434670 Z chrome-headless
2735034 2434670 Z chrome-headless
2735035 2434670 Z chrome-headless
2740108 2434670 Z chrome-headless
2740109 2434670 Z chrome-headless
2744687 2434670 Z chrome-headless
2744688 2434670 Z chrome-headless
2749550 2434670 Z chrome-headless
2749551 2434670 Z chrome-headless
2753939 2434670 Z chrome-headless
2753940 2434670 Z chrome-headless
2758552 2434670 Z chrome-headless
2758553 2434670 Z chrome-headless
2763169 2434670 Z chrome-headless
2763170 2434670 Z chrome-headless
2767550 2434670 Z chrome-headless
2767551 2434670 Z chrome-headless
2771957 2434670 Z chrome-headless
2771958 2434670 Z chrome-headless
2853959 2434670 Z chrome-headless
2853960 2434670 Z chrome-headless
2858291 2434670 Z chrome-headless
2858292 2434670 Z chrome-headless
2863010 2434670 Z chrome-headless
2863011 2434670 Z chrome-headless
2867235 2434670 Z chrome-headless
2867236 2434670 Z chrome-headless
2871813 2434670 Z chrome-headless
2871814 2434670 Z chrome-headless
2876390 2434670 Z chrome-headless
2876391 2434670 Z chrome-headless
2880780 2434670 Z chrome-headless
2880781 2434670 Z chrome-headless
2885178 2434670 Z chrome-headless
2885179 2434670 Z chrome-headless
2889765 2434670 Z chrome-headless
2889766 2434670 Z chrome-headless
2894335 2434670 Z chrome-headless
2894336 2434670 Z chrome-headless
2899002 2434670 Z chrome-headless
2899003 2434670 Z chrome-headless
2903485 2434670 Z chrome-headless
2903486 2434670 Z chrome-headless
2908861 2434670 Z chrome-headless
2908862 2434670 Z chrome-headless
2999640 2434670 Z chrome-headless
2999641 2434670 Z chrome-headless
3004238 2434670 Z chrome-headless
3004239 2434670 Z chrome-headless
3008485 2434670 Z chrome-headless
3008486 2434670 Z chrome-headless
3013017 2434670 Z chrome-headless
3013018 2434670 Z chrome-headless
3017664 2434670 Z chrome-headless
3017665 2434670 Z chrome-headless
3022012 2434670 Z chrome-headless
3022013 2434670 Z chrome-headless
3026560 2434670 Z chrome-headless
3026561 2434670 Z chrome-headless
3031199 2434670 Z chrome-headless
3031200 2434670 Z chrome-headless
3035771 2434670 Z chrome-headless
3035772 2434670 Z chrome-headless
3040113 2434670 Z chrome-headless
3040114 2434670 Z chrome-headless
3044619 2434670 Z chrome-headless
3044620 2434670 Z chrome-headless
3047759 573613 Z chrome
3127211 2434670 Z chrome-headless
3127212 2434670 Z chrome-headless
After stopping the Linkwarden app:
ps -eo pid,ppid,stat,comm | grep '^.* Z'
1284559 573613 Z chrome
3047759 573613 Z chrome