bisecting fixing commit since 5692097116094a4a7045abcc1dbc172dbdc5657e
building syzkaller on d850e9d08467726cd94b6a9caaf8090c594721ba
testing commit 5692097116094a4a7045abcc1dbc172dbdc5657e with gcc (GCC) 8.4.1 20210217
kernel signature: 28baa0ee9b23779d28310ead74ec455997a5b9933ad1b36756d91a2a529482be
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: INFO: rcu detected stall in corrupted
run #14: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #15: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #16: crashed: INFO: rcu detected stall in corrupted
run #17: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #18: crashed: INFO: rcu detected stall in corrupted
run #19: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
testing current HEAD fcfbdfe9626edd5bf00c732e093eed249ecdbfa1
testing commit fcfbdfe9626edd5bf00c732e093eed249ecdbfa1 with gcc (GCC) 8.4.1 20210217
kernel signature: d12b9a6b1f61d94b95b8dc18e3224e7e5f19279f883e2a296d6c150e1e0dd840
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: no output from test machine
revisions tested: 2, total time: 37m8.667052464s (build: 22m44.324215453s, test: 13m10.794373632s)
the crash still happens on HEAD
commit msg: Linux 4.19.197
crash: no output from test machine