bisecting fixing commit since 34816d20f173a90389c8a7e641166d8ea9dce70a building syzkaller on e6b0d3140b98e8456fbd089d584e932e19257d94 testing commit 34816d20f173a90389c8a7e641166d8ea9dce70a with gcc (GCC) 10.2.1 20210217 kernel signature: 509e65a0c333249946868fd4ce178dc7785d6be7afc8f228dc7f56a33427edc5 all runs: crashed: INFO: task hung in sync_inodes_sb testing current HEAD f55966571d5eb2876a11e48e798b4592fa1ffbb7 testing commit f55966571d5eb2876a11e48e798b4592fa1ffbb7 with gcc (GCC) 10.2.1 20210217 kernel signature: 775814ee4b0ca8c8b36e0ff52f4e209ef08b562653cf784547fbabcf71fd2daa all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) revisions tested: 2, total time: 30m13.669237756s (build: 12m28.261983385s, test: 16m52.074566219s) bisection is inconclusive, the first good commit could be any of: 34816d20f173a90389c8a7e641166d8ea9dce70a f55966571d5eb2876a11e48e798b4592fa1ffbb7