bisecting fixing commit since 6efb943b8616ec53a5e444193dccf1af9ad627b5 building syzkaller on bc5434be1a615eca6d901c20b026712bd9697fd4 testing commit 6efb943b8616ec53a5e444193dccf1af9ad627b5 with gcc (GCC) 10.2.1 20210217 kernel signature: abcbba7a4931af53c3df26194b3a50a825aa026c6e280f031cc3f017bf98115e run #0: crashed: WARNING: locking bug in inet_autobind run #1: crashed: WARNING: locking bug in ip6_datagram_connect run #2: crashed: WARNING: locking bug in ip6_datagram_connect run #3: crashed: WARNING: locking bug in ip6_datagram_connect run #4: crashed: WARNING: locking bug in ip6_datagram_connect run #5: crashed: WARNING: locking bug in inet_autobind run #6: crashed: WARNING: locking bug in inet_autobind run #7: crashed: WARNING: locking bug in inet_autobind run #8: crashed: WARNING: locking bug in ip6_datagram_connect run #9: crashed: WARNING: locking bug in ip6_datagram_connect run #10: crashed: WARNING: locking bug in inet_autobind run #11: crashed: WARNING: locking bug in inet_autobind run #12: crashed: WARNING: locking bug in ip6_datagram_connect run #13: crashed: WARNING: locking bug in inet_autobind run #14: crashed: WARNING: locking bug in inet_autobind run #15: crashed: WARNING: locking bug in inet_autobind run #16: crashed: WARNING: locking bug in inet_autobind run #17: crashed: WARNING: locking bug in inet_autobind run #18: crashed: WARNING: locking bug in inet_autobind run #19: crashed: WARNING: locking bug in ip6_datagram_connect testing current HEAD 50be9417e23af5a8ac860d998e1e3f06b8fd79d7 testing commit 50be9417e23af5a8ac860d998e1e3f06b8fd79d7 with gcc (GCC) 10.2.1 20210217 kernel signature: beaa5eecc382709b29d41a6ce1c4af058a7f7581b16c0b8f03d7198a10e5d295 run #0: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #2: boot failed: possible deadlock in get_page_from_freelist run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #4: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #5: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #6: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #7: boot failed: possible deadlock in fs_reclaim_acquire run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) revisions tested: 2, total time: 35m9.498888827s (build: 14m48.816165511s, test: 19m45.411768103s) bisection is inconclusive, the first good commit could be any of: 6efb943b8616ec53a5e444193dccf1af9ad627b5 50be9417e23af5a8ac860d998e1e3f06b8fd79d7