ci2 starts bisection 2025-09-22 17:54:41.873550788 +0000 UTC m=+29199.327479165
bisecting fixing commit since fc96b232f8e7c0a6c282f47726b2ff6a5fb341d2
building syzkaller on 2a20f901dbd7922a27b5625a8a442587c8c3df2c
ensuring issue is reproducible on original commit fc96b232f8e7c0a6c282f47726b2ff6a5fb341d2

testing commit fc96b232f8e7c0a6c282f47726b2ff6a5fb341d2 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: fe08dd44616694da57348dacf3442470fc0620e7d30f4a52c1bbbd781bea3e24
all runs: boot failed: UBSAN: negation-overflow in corrupted
unable to determine the verdict: 0 good runs (wanted 10), for bad wanted 10 in total, got 0
revisions tested: 1, total time: 21m27.55745026s (build: 8m56.850666679s, test: 11m17.772965431s)
error: the crash wasn't reproduced on the original commit