bisecting fixing commit since 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf
building syzkaller on 510951950dc0ee69cfdaf746061d3dbe31b49fd8
testing commit 7cc2a8ea104820dd9e702202621e8fd4d9f6c8cf with gcc (GCC) 8.1.0
kernel signature: 6e4203dc2945dae8c65c39b42dea967354bbde5d1ab62a0419f410297096c660
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in rtnl_newlink
run #2: crashed: INFO: rcu detected stall in do_idle
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: BUG: soft lockup in smp_call_function
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: INFO: rcu detected stall in sys_clock_settime
testing current HEAD 5925fa68fe8244651b3f78a88c4af99190a88f0d
testing commit 5925fa68fe8244651b3f78a88c4af99190a88f0d with gcc (GCC) 8.1.0
kernel signature: 209a29f30ea34f7e5cd2e64e7a010ec2f07f6bc0622e9b69c98befb5799cfb0e
run #0: crashed: INFO: rcu detected stall in sys_clock_settime
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in sys_clock_settime
run #3: crashed: INFO: rcu detected stall in sys_clock_settime
run #4: crashed: INFO: rcu detected stall in __do_sys_clone
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: INFO: rcu detected stall in linkwatch_event
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 24m58.127187058s (build: 10m7.444638662s, test: 14m13.204084215s)
the crash still happens on HEAD
commit msg: Merge tag 'perf-tools-fixes-for-v5.9-2020-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
crash: no output from test machine