bisecting fixing commit since f40ddce88593482919761f74910f42f4b84c004b
building syzkaller on 98682e5e2aefc9aad61354f4f3ac93be96002a2a
testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217
kernel signature: a20fdda6284e1de4805076b3f724e927513bee772a53c4f27dc22d1ef7831f86
run #0: crashed: INFO: task hung in hwrng_register
run #1: crashed: INFO: task hung in hwrng_register
run #2: crashed: INFO: task hung in hwrng_register
run #3: crashed: INFO: task hung in drop_current_rng
run #4: crashed: INFO: task hung in hwrng_register
run #5: crashed: INFO: task hung in hwrng_register
run #6: crashed: INFO: task hung in hwrng_register
run #7: crashed: INFO: task hung in hwrng_register
run #8: crashed: INFO: task hung in hwrng_register
run #9: crashed: INFO: task hung in drop_current_rng
run #10: crashed: INFO: task hung in hwrng_register
run #11: crashed: INFO: task hung in hwrng_register
run #12: crashed: INFO: task hung in drop_current_rng
run #13: crashed: INFO: task hung in hwrng_register
run #14: crashed: INFO: task hung in drop_current_rng
run #15: crashed: INFO: task hung in hwrng_register
run #16: crashed: INFO: task hung in hwrng_register
run #17: crashed: INFO: task hung in hwrng_register
run #18: crashed: INFO: task hung in hwrng_register
run #19: crashed: INFO: task hung in hwrng_register
testing current HEAD 79160a603bdb51916226caf4a6616cc4e1c58a58
testing commit 79160a603bdb51916226caf4a6616cc4e1c58a58 with gcc (GCC) 10.2.1 20210217
kernel signature: 99166c05b6053d6f93e645e12202b7bf04356193393e305ae96dc448bff88916
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
revisions tested: 2, total time: 32m10.102975501s (build: 14m29.993950835s, test: 16m45.250105039s)
bisection is inconclusive, the first good commit could be any of:
f40ddce88593482919761f74910f42f4b84c004b
79160a603bdb51916226caf4a6616cc4e1c58a58