bisecting fixing commit since 4b6c093e21d36bede0fd88fd0aeb3b03647260e4 building syzkaller on 424dd8e7b52828cad44ce653a5d4ac30670f5e2c testing commit 4b6c093e21d36bede0fd88fd0aeb3b03647260e4 with gcc (GCC) 8.1.0 kernel signature: 267db2abceef16f601d652382b63863557cf704c91500cf64a6755f806694e41 run #0: crashed: INFO: rcu detected stall in do_idle run #1: crashed: INFO: rcu detected stall in do_idle run #2: crashed: INFO: rcu detected stall in addrconf_dad_work run #3: crashed: INFO: rcu detected stall in new_sync_write 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 testing current HEAD f11901ed723d1351843771c3a84b03a253bbf8b2 testing commit f11901ed723d1351843771c3a84b03a253bbf8b2 with gcc (GCC) 8.1.0 kernel signature: a02744b8a50088bd46030e8fa2d0b4cdad3f1a376bd78b0722455de40c2174ea run #0: crashed: INFO: rcu detected stall in tc_modify_qdisc run #1: crashed: INFO: rcu detected stall in tc_modify_qdisc run #2: crashed: INFO: rcu detected stall in wg_packet_tx_worker run #3: crashed: INFO: rcu detected stall in tc_modify_qdisc run #4: crashed: INFO: rcu detected stall in iterate_cleanup_work run #5: crashed: INFO: rcu detected stall in vhci_release run #6: crashed: INFO: rcu detected stall in vhci_release run #7: crashed: INFO: rcu detected stall in do_idle run #8: crashed: INFO: rcu detected stall in seq_read run #9: crashed: no output from test machine revisions tested: 2, total time: 28m47.222269918s (build: 11m22.507199679s, test: 16m33.299416607s) the crash still happens on HEAD commit msg: Merge tag 'xfs-5.10-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux crash: no output from test machine