bisecting fixing commit since 52e44129fba5cfc4e351fdb5e45849afc74d9a53 building syzkaller on bfeda1b1077c9ffe6f9597cbae4b6a5d747b4695 testing commit 52e44129fba5cfc4e351fdb5e45849afc74d9a53 with gcc (GCC) 10.2.1 20210217 kernel signature: 98a1d4864b19ad23dd9531bcf7e6a1c6f129d48811b813f1fbaa59d1d0d00b90 all runs: crashed: WARNING in firmware_fallback_sysfs testing current HEAD f55966571d5eb2876a11e48e798b4592fa1ffbb7 testing commit f55966571d5eb2876a11e48e798b4592fa1ffbb7 with gcc (GCC) 10.2.1 20210217 kernel signature: 951330f4f6187d7589fa18457ead6a2786170bc9ab5ea0bbffe8ae45afcacad7 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) revisions tested: 2, total time: 34m22.323760595s (build: 14m11.000868608s, test: 19m31.909500627s) bisection is inconclusive, the first good commit could be any of: 52e44129fba5cfc4e351fdb5e45849afc74d9a53 f55966571d5eb2876a11e48e798b4592fa1ffbb7