bisecting fixing commit since a581387e415bbb0085e7e67906c8f4a99746590e
building syzkaller on 18d18b591b354e07ba76be8f115b7119d49056a9
testing commit a581387e415bbb0085e7e67906c8f4a99746590e with gcc (GCC) 8.4.1 20210217
kernel signature: f0285dbeb4f7b1fcba8e4fd8ff56a8892b2ca48900d82b72831de1843315d13f
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: soft lockup in smp_call_function
run #3: crashed: BUG: workqueue lockup
run #4: crashed: BUG: soft lockup in smp_call_function
run #5: crashed: BUG: workqueue lockup
run #6: crashed: INFO: rcu detected stall in sys_futex
run #7: crashed: INFO: rcu detected stall in clock_adjtime
run #8: crashed: BUG: soft lockup in smp_call_function
run #9: crashed: no output from test machine
run #10: crashed: no output from test machine
run #11: crashed: no output from test machine
run #12: crashed: no output from test machine
run #13: crashed: no output from test machine
run #14: crashed: no output from test machine
run #15: crashed: no output from test machine
run #16: crashed: no output from test machine
run #17: crashed: no output from test machine
run #18: crashed: no output from test machine
run #19: crashed: no output from test machine
testing current HEAD 5e321ded302da4d8c5d5dd953423d9b748ab3775
testing commit 5e321ded302da4d8c5d5dd953423d9b748ab3775 with gcc (GCC) 10.2.1 20210217
kernel signature: 2df1d37db3422726fa77c2940a663327efabf04a3f0d6018618561f1b8560ed7
run #0: crashed: BUG: soft lockup in smp_call_function
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: soft lockup in smp_call_function
run #4: crashed: BUG: soft lockup in smp_call_function
run #5: crashed: BUG: soft lockup in smp_call_function
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: 29m53.207179516s (build: 12m45.263447148s, test: 16m9.94849612s)
the crash still happens on HEAD
commit msg: Merge tag 'for-5.13/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
crash: no output from test machine