MemorySanitizer: use-of-uninitialized-value
happen using MSAN for both david_fuzzer and david_fuzzer_mt on ca33a9b7
==6408==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x5598f276ca9d in adjust_strength third_party/dav1d/src/cdef_apply_tmpl.c:76:9
#1 0x5598f276ca9d in dav1d_cdef_brow_8bpc third_party/dav1d/src/cdef_apply_tmpl.c:176
#2 0x5598f27bdc17 in dav1d_filter_sbrow_8bpc third_party/dav1d/src/recon_tmpl.c:1590:9
#3 0x5598f2693543 in dav1d_decode_frame third_party/dav1d/src/decode.c:2818:25
#4 0x5598f2716ee2 in dav1d_frame_task third_party/dav1d/src/thread_task.c:44:9
#5 0x7fc0264104e7 in start_thread (/usr/grte/v4/lib64/libpthread.so.0+0x74e7)
#6 0x7fc02618522c in __clone (/usr/grte/v4/lib64/libc.so.6+0x3722c