bisecting fixing commit since a581387e415bbb0085e7e67906c8f4a99746590e
building syzkaller on 18d18b591b354e07ba76be8f115b7119d49056a9
testing commit a581387e415bbb0085e7e67906c8f4a99746590e with gcc (GCC) 8.1.0
kernel signature: eaf5c43053dcea32da767764f3008d0736cc9ae6e14eada77dd627f81061b837
run #0: crashed: BUG: workqueue lockup
run #1: crashed: INFO: rcu detected stall in linkwatch_event
run #2: crashed: INFO: rcu detected stall in smp_call_function
run #3: crashed: INFO: rcu detected stall in inet6_rtm_newaddr
run #4: crashed: BUG: soft lockup in smp_call_function
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
testing current HEAD f6e1ea19649216156576aeafa784e3b4cee45549
testing commit f6e1ea19649216156576aeafa784e3b4cee45549 with gcc (GCC) 8.1.0
kernel signature: 63a19ab3d5dfaf5e4a76675c8d4741f192a4ab0a715a457c7d9b2a802a4775cb
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: INFO: rcu detected stall in do_idle
run #4: crashed: INFO: rcu detected stall 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: 25m11.714817265s (build: 9m30.100640153s, test: 14m55.561204689s)
the crash still happens on HEAD
commit msg: Merge tag 'ceph-for-5.11-rc2' of git://github.com/ceph/ceph-client
crash: no output from test machine