INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-9,10.128.15.207' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 87.894331] device gre0 entered promiscuous mode [ 121.823041] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 33s! [ 121.831209] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 33s! [ 121.839305] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 33s! [ 121.847550] Showing busy workqueues and worker pools: [ 121.852745] workqueue events: flags=0x0 [ 121.856782] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 121.862976] pending: cache_reap [ 121.866610] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 [ 121.872745] pending: vmstat_shepherd, cache_reap [ 121.877860] workqueue events_long: flags=0x0 [ 121.882260] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 121.888396] pending: gc_worker [ 121.891946] workqueue events_power_efficient: flags=0x80 [ 121.897386] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 [ 121.903519] pending: neigh_periodic_work, do_cache_clean, reg_check_chans_work [ 121.911248] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 121.917386] pending: neigh_periodic_work [ 121.921802] workqueue mm_percpu_wq: flags=0x8 [ 121.926289] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 121.932424] pending: vmstat_update [ 121.936317] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 121.942452] pending: vmstat_update [ 121.946347] workqueue writeback: flags=0x4e [ 121.950703] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 [ 121.956454] pending: wb_workfn [ 121.960000] workqueue kblockd: flags=0x18 [ 121.964157] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 [ 121.970477] pending: blk_timeout_work [ 121.974644] workqueue ipv6_addrconf: flags=0x40008 [ 121.979563] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 [ 121.985528] pending: addrconf_dad_work