bisecting fixing commit since 4fa640dc52302b5e62b01b05c755b055549633ae
building syzkaller on d88894e6773ab63ac8b3f4b2edbae88290aaf0d6
testing commit 4fa640dc52302b5e62b01b05c755b055549633ae with gcc (GCC) 8.1.0
kernel signature: 594ea5954387d0e3f9829a6f61ceeddfbeffabb8b93ae22ceccc6df8e293c3bd
run #0: crashed: BUG: soft lockup in smp_call_function
run #1: crashed: INFO: rcu detected stall in khugepaged
run #2: crashed: INFO: rcu detected stall in do_idle
run #3: crashed: BUG: soft lockup in do_idle
run #4: crashed: INFO: rcu detected stall in do_idle
run #5: crashed: INFO: rcu detected stall in do_idle
run #6: crashed: no output from test machine
run #7: crashed: INFO: task hung in corrupted
run #8: crashed: no output from test machine
run #9: crashed: BUG: soft lockup in do_idle
testing current HEAD eb5f95f1593f7c22dac681b19e815828e2af3efd
testing commit eb5f95f1593f7c22dac681b19e815828e2af3efd with gcc (GCC) 8.1.0
kernel signature: 4d8b002e29316693631da6c69c07a5a0142c8cc42f5464f292bf4fa66815d459
run #0: crashed: INFO: rcu detected stall in do_idle
run #1: crashed: BUG: soft lockup in crda_timeout_work
run #2: crashed: INFO: rcu detected stall in do_idle
run #3: crashed: INFO: rcu detected stall in do_idle
run #4: crashed: BUG: soft lockup in do_idle
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 28m7.518513995s (build: 9m42.544491915s, test: 17m48.518953442s)
the crash still happens on HEAD
commit msg: Merge tag 's390-5.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
crash: no output from test machine