bisecting fixing commit since 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
building syzkaller on 510951950dc0ee69cfdaf746061d3dbe31b49fd8
testing commit 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf with gcc (GCC) 8.1.0
kernel signature: dd5bcac7cc69ce310218a7047caa021b7c1d910e1bc1c63dcba8123abee9efe9
run #0: crashed: BUG: workqueue lockup
run #1: crashed: INFO: rcu detected stall in worker_thread
run #2: crashed: INFO: rcu detected stall in smp_call_function
run #3: crashed: BUG: soft lockup in smp_call_function
run #4: crashed: INFO: rcu detected stall in sys_clock_settime
run #5: crashed: INFO: rcu detected stall in smp_call_function
run #6: crashed: INFO: rcu detected stall in sys_clock_settime
run #7: crashed: BUG: workqueue lockup
run #8: crashed: INFO: rcu detected stall in linkwatch_event
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: INFO: rcu detected stall in smp_call_function
run #1: crashed: INFO: rcu detected stall in smp_call_function
run #2: crashed: INFO: rcu detected stall in smp_call_function
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: INFO: rcu detected stall in sys_clock_settime
run #7: crashed: INFO: rcu detected stall in sys_clock_settime
run #8: crashed: INFO: rcu detected stall in sys_clock_settime
run #9: crashed: no output from test machine
revisions tested: 2, total time: 25m28.442092156s (build: 10m6.198795751s, test: 14m43.42240359s)
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