bisecting fixing commit since 4b6c093e21d36bede0fd88fd0aeb3b03647260e4 building syzkaller on 424dd8e7b52828cad44ce653a5d4ac30670f5e2c testing commit 4b6c093e21d36bede0fd88fd0aeb3b03647260e4 with gcc (GCC) 8.1.0 kernel signature: 44bd481985122b06b2bf107fffaa206f443b14fde97024998625d53e4c0cd31b 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: BUG: workqueue lockup 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 testing current HEAD 0da0a8a0a0e1845f495431c3d8d733d2bbf9e9e5 testing commit 0da0a8a0a0e1845f495431c3d8d733d2bbf9e9e5 with gcc (GCC) 8.1.0 kernel signature: a72e733284526efb9e2bd7f9fe962348d0a1179a0d8d3fc8cea42082dc9c6c7b 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: INFO: rcu detected stall in addrconf_dad_work run #4: crashed: INFO: rcu detected stall in smp_call_function run #5: crashed: INFO: rcu detected stall in addrconf_dad_work run #6: crashed: INFO: rcu detected stall in sys_execve run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in do_idle run #9: crashed: no output from test machine revisions tested: 2, total time: 27m1.145905759s (build: 10m23.119206247s, test: 15m58.052919321s) the crash still happens on HEAD commit msg: Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi crash: no output from test machine