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: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: workqueue lockup
run #4: crashed: INFO: rcu detected stall in do_idle
run #5: crashed: INFO: rcu detected stall in sys_exit_group
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: crashed: BUG: soft lockup in smp_call_function
run #8: crashed: INFO: rcu detected stall in sys_clock_settime
run #9: crashed: BUG: workqueue lockup
testing current HEAD b65054597872ce3aefbc6a666385eabdf9e288da
testing commit b65054597872ce3aefbc6a666385eabdf9e288da with gcc (GCC) 8.1.0
kernel signature: b71d1da6d65ca4c9a5d8d62c910e7e226a9920aa277107aaa78381a5d89e76aa
run #0: crashed: BUG: workqueue lockup
run #1: crashed: INFO: rcu detected stall in smp_call_function
run #2: crashed: INFO: rcu detected stall in rht_deferred_worker
run #3: crashed: INFO: rcu detected stall in smp_call_function
run #4: crashed: INFO: rcu detected stall in smp_call_function
run #5: crashed: BUG: soft lockup in smp_call_function
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in smp_call_function
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 24m19.006935378s (build: 9m54.625199076s, test: 13m45.662088844s)
the crash still happens on HEAD
commit msg: Linux 5.10-rc6
crash: no output from test machine