bisecting fixing commit since fb893de323e2d39f7a1f6df425703a2edbdf56ea
building syzkaller on bc15f7dbbc1c6e2042a7115b3fdacc0ada8c35e7
testing commit fb893de323e2d39f7a1f6df425703a2edbdf56ea with gcc (GCC) 8.1.0
kernel signature: fa23efc1ef28c3c5cf92154614b698caf24c023ebc80ed4ffabdb6e9bb501c51
run #0: crashed: INFO: rcu detected stall in linkwatch_event
run #1: crashed: INFO: rcu detected stall in do_idle
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in mutex_spin_on_owner
run #4: crashed: INFO: rcu detected stall in linkwatch_event
run #5: crashed: INFO: rcu detected stall in rtnl_newlink
run #6: crashed: INFO: rcu detected stall in mutex_spin_on_owner
run #7: crashed: INFO: rcu detected stall in linkwatch_event
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
testing current HEAD fc4f28bb3daf3265d6bc5f73b497306985bb23ab
testing commit fc4f28bb3daf3265d6bc5f73b497306985bb23ab with gcc (GCC) 8.1.0
kernel signature: 01b2d062a7f2a7175a4323dbe3849505abdc4ede6fe3ca02986b2b61ddba4e1d
run #0: crashed: INFO: rcu detected stall in do_idle
run #1: crashed: INFO: rcu detected stall in rtnl_newlink
run #2: crashed: INFO: rcu detected stall in linkwatch_event
run #3: crashed: INFO: rcu detected stall in rtnl_newlink
run #4: crashed: no output from test machine
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: 25m38.892271772s (build: 9m54.275292713s, test: 15m22.66117145s)
the crash still happens on HEAD
commit msg: Merge tag 'for-5.9-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
crash: no output from test machine