[....] Starting enhanced syslogd: rsyslogd[ 11.088507] audit: type=1400 audit(1513958355.590:5): avc: denied { syslog } for pid=2994 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?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 syzkaller login: [ 15.690766] audit: type=1400 audit(1513958360.192:6): avc: denied { map } for pid=3131 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added 'ci-upstream-next-kasan-gce-8,10.128.15.222' (ECDSA) to the list of known hosts. [ 120.152302] audit: type=1400 audit(1513958464.654:7): avc: denied { map } for pid=3149 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/22 16:01:04 parsed 1 programs 2017/12/22 16:01:04 executed programs: 0 [ 120.339660] audit: type=1400 audit(1513958464.840:8): avc: denied { map } for pid=3149 comm="syz-execprog" path="/root/syzkaller-shm301660028" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 120.704758] audit: type=1400 audit(1513958465.205:9): avc: denied { map } for pid=3271 comm="syz-executor4" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=11610 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:hugetlbfs_t:s0 tclass=file permissive=1 [ 120.909705] audit: type=1326 audit(1513958465.410:10): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a09 code=0x7ffc0000 [ 120.934176] audit: type=1326 audit(1513958465.410:11): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a09 code=0x7ffc0000 [ 120.958730] audit: type=1326 audit(1513958465.413:12): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=257 compat=0 ip=0x452a09 code=0x7ffc0000 [ 120.983191] audit: type=1326 audit(1513958465.413:13): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a09 code=0x7ffc0000 [ 121.008771] audit: type=1326 audit(1513958465.413:14): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a09 code=0x7ffc0000 [ 121.008783] audit: type=1326 audit(1513958465.418:15): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=0 compat=0 ip=0x40cc81 code=0x7ffc0000 [ 121.008793] audit: type=1326 audit(1513958465.418:16): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3271 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a09 code=0x7ffc0000 [ 181.727059] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 59s! [ 181.735251] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 59s! [ 181.743371] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 55s! [ 181.751639] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 59s! [ 181.759297] Showing busy workqueues and worker pools: [ 181.764506] workqueue events: flags=0x0 [ 181.768569] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 [ 181.774785] pending: perf_sched_delayed, cache_reap [ 181.780188] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 [ 181.786337] pending: vmstat_shepherd, cache_reap, check_corruption [ 181.793050] workqueue events_unbound: flags=0x2 [ 181.797761] pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/512 [ 181.803524] in-flight: 114:call_usermodehelper_exec_work, 3390:call_usermodehelper_exec_work, 3373:call_usermodehelper_exec_work, 3378:call_usermodehelper_exec_work, 3406:call_usermodehelper_exec_work [ 181.821860] pending: flush_to_ldisc [ 181.825860] workqueue events_power_efficient: flags=0x80 [ 181.831315] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 [ 181.837467] pending: gc_worker, neigh_periodic_work [ 181.842863] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 [ 181.849015] pending: do_cache_clean, neigh_periodic_work [ 181.854851] workqueue mm_percpu_wq: flags=0x8 [ 181.859352] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 [ 181.865503] pending: vmstat_update [ 181.869410] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 [ 181.875562] pending: vmstat_update [ 181.879477] workqueue writeback: flags=0x4e [ 181.883805] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 [ 181.889513] pending: wb_workfn [ 181.893082] workqueue kblockd: flags=0x18 [ 181.897235] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 [ 181.903565] pending: blk_timeout_work [ 181.907785] pool 4: cpus=0-1 flags=0x4 nice=0 hung=59s workers=9 idle: 3375 21 5 70