bisecting fixing commit since 2f7b98d1e55ccd34e4998bf5f321ec7b9d6b451b
building syzkaller on 7e2b734bac96c22086fedd1b18135da06d5e4054
testing commit 2f7b98d1e55ccd34e4998bf5f321ec7b9d6b451b with gcc (GCC) 10.2.1 20210217
kernel signature: 6dcedb5559249ae466c589a7b7366855521d1993d96746d872cbe8313cee7ba8
all runs: crashed: INFO: task hung in misc_open
testing current HEAD 303392fd5c160822bf778270b28ec5ea50cab2b4
testing commit 303392fd5c160822bf778270b28ec5ea50cab2b4 with gcc (GCC) 10.2.1 20210217
kernel signature: 0ca4ec1fcd11c825df0d529f4b2fe89e6a01633ee26a92924f3df37ef189e428
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
revisions tested: 2, total time: 31m39.566258141s (build: 14m15.979868393s, test: 16m43.296955856s)
bisection is inconclusive, the first good commit could be any of:
2f7b98d1e55ccd34e4998bf5f321ec7b9d6b451b
303392fd5c160822bf778270b28ec5ea50cab2b4