[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 61.743152][ T26] audit: type=1800 audit(1571575545.116:25): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 61.788703][ T26] audit: type=1800 audit(1571575545.116:26): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.826692][ T26] audit: type=1800 audit(1571575545.126:27): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.15.197' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 74.098084][ T1529] block nbd5: Receive control failed (result -22) [ 74.105886][ T1529] block nbd0: Receive control failed (result -22) [ 74.108195][ T8607] block nbd5: shutting down sockets [ 74.119421][ T1529] block nbd4: Receive control failed (result -22) [ 74.126692][ T1529] block nbd2: Receive control failed (result -22) [ 74.129065][ T8610] block nbd4: shutting down sockets [ 74.134270][ T1529] block nbd3: Receive control failed (result -22) [ 74.141150][ T8611] block nbd2: shutting down sockets [ 74.146649][ T1529] block nbd1: Receive control failed (result -22) [ 74.162192][ T8602] block nbd0: shutting down sockets [ 74.174688][ T8608] block nbd3: shutting down sockets executing program executing program executing program executing program [ 74.197467][ T8609] block nbd1: shutting down sockets executing program [ 74.220570][ T8619] block nbd5: Receive control failed (result -22) [ 74.229638][ T8615] block nbd4: Receive control failed (result -22) [ 74.230506][ T8625] block nbd5: shutting down sockets [ 74.242663][ T8615] block nbd0: Receive control failed (result -22) [ 74.244371][ T8624] block nbd4: shutting down sockets [ 74.253444][ T8615] block nbd2: Receive control failed (result -22) [ 74.255777][ T8627] block nbd0: shutting down sockets executing program executing program executing program executing program [ 74.282759][ T8628] block nbd2: shutting down sockets [ 74.293890][ T8615] block nbd1: Receive control failed (result -22) [ 74.302673][ T8632] block nbd1: shutting down sockets [ 74.315088][ T8615] block nbd5: Receive control failed (result -22) [ 74.322729][ T8615] block nbd3: Receive control failed (result -22) executing program executing program [ 74.330986][ T8615] block nbd0: Receive control failed (result -22) [ 74.337671][ T8619] block nbd4: Receive control failed (result -22) [ 74.346390][ T8638] block nbd0: shutting down sockets [ 74.352716][ T8637] block nbd4: shutting down sockets [ 74.357975][ T8635] block nbd3: shutting down sockets [ 74.358336][ T8636] block nbd5: shutting down sockets executing program executing program executing program executing program [ 74.388452][ T8619] block nbd1: Receive control failed (result -22) [ 74.397630][ T8643] block nbd1: shutting down sockets [ 74.400793][ T8619] block nbd2: Receive control failed (result -22) [ 74.412263][ T8644] block nbd2: shutting down sockets [ 74.431288][ T8619] block nbd0: Receive control failed (result -22) executing program executing program [ 74.440552][ T8615] block nbd5: Receive control failed (result -22) [ 74.447644][ T8615] block nbd3: Receive control failed (result -22) [ 74.449105][ T8650] block nbd5: shutting down sockets [ 74.454744][ T8619] block nbd4: Receive control failed (result -22) [ 74.468604][ T8651] block nbd3: shutting down sockets [ 74.476074][ T8649] block nbd4: shutting down sockets [ 74.482004][ T8652] block nbd0: shutting down sockets executing program executing program executing program executing program executing program [ 74.495579][ T1529] block nbd2: Receive control failed (result -22) [ 74.510664][ T8659] block nbd2: shutting down sockets [ 74.524287][ T1529] block nbd1: Receive control failed (result -22) [ 74.532968][ T8658] block nbd1: shutting down sockets executing program [ 74.555922][ T1529] block nbd3: Receive control failed (result -22) [ 74.564659][ T8662] block nbd3: shutting down sockets [ 74.572926][ T1529] block nbd4: Receive control failed (result -22) [ 74.573512][ T8657] block nbd5: Receive control failed (result -22) [ 74.593116][ T8664] block nbd4: shutting down sockets [ 74.598793][ T8667] block nbd5: shutting down sockets executing program executing program [ 74.606598][ T8657] block nbd2: Receive control failed (result -22) [ 74.615555][ T8666] block nbd2: shutting down sockets [ 74.624546][ T8657] block nbd0: Receive control failed (result -22) [ 74.633396][ T8665] block nbd0: shutting down sockets [ 74.639124][ T8657] block nbd1: Receive control failed (result -22) [ 74.648268][ T8670] block nbd1: shutting down sockets executing program executing program [ 74.673800][ T8657] block nbd4: Receive control failed (result -22) [ 74.681008][ T8657] block nbd3: Receive control failed (result -22) [ 74.682318][ T8675] block nbd4: shutting down sockets [ 74.694880][ T8674] block nbd3: shutting down sockets executing program executing program executing program executing program [ 74.726279][ T8657] block nbd5: Receive control failed (result -22) [ 74.734854][ T8679] block nbd5: shutting down sockets [ 74.753317][ T8657] block nbd0: Receive control failed (result -22) [ 74.760079][ T1529] block nbd3: Receive control failed (result -22) [ 74.760753][ T8619] block nbd2: Receive control failed (result -22) executing program executing program [ 74.773767][ T1529] block nbd4: Receive control failed (result -22) [ 74.782329][ T8680] block nbd0: shutting down sockets [ 74.793879][ T8678] block nbd2: shutting down sockets [ 74.795130][ T8683] block nbd3: shutting down sockets [ 74.807909][ T1529] block nbd1: Receive control failed (result -22) executing program [ 74.825629][ T1529] block nbd5: Receive control failed (result -22) [ 74.830394][ T8690] block nbd2: Receive control failed (result -22) [ 74.834298][ T8691] block nbd5: shutting down sockets [ 74.845798][ T8687] block nbd4: shutting down sockets [ 74.851983][ T8686] block nbd1: shutting down sockets [ 74.864374][ T8693] block nbd2: shutting down sockets executing program executing program executing program executing program [ 74.876261][ T8690] block nbd0: Receive control failed (result -22) [ 74.884627][ T8695] block nbd0: shutting down sockets executing program executing program [ 74.943359][ T8690] block nbd0: Receive control failed (result -22) [ 74.949492][ T1529] block nbd5: Receive control failed (result -22) [ 74.953272][ T8690] block nbd4: Receive control failed (result -22) [ 74.963641][ T8690] block nbd1: Receive control failed (result -22) [ 74.963649][ T1529] block nbd2: Receive control failed (result -22) [ 74.978935][ T8697] block nbd4: shutting down sockets [ 74.978951][ T8701] block nbd0: shutting down sockets [ 75.002773][ T8698] block nbd5: shutting down sockets [ 75.010599][ T8700] block nbd2: shutting down sockets [ 75.012014][ T8690] block nbd3: Receive control failed (result -22) [ 75.016016][ T8699] block nbd1: shutting down sockets executing program executing program executing program executing program executing program [ 75.043463][ T8704] block nbd3: shutting down sockets [ 75.058741][ T8690] block nbd4: Receive control failed (result -22) [ 75.067428][ T8709] block nbd4: shutting down sockets executing program executing program [ 75.091020][ T8690] block nbd2: Receive control failed (result -22) [ 75.102734][ T8690] block nbd3: Receive control failed (result -22) [ 75.112861][ T8719] block nbd3: shutting down sockets [ 75.114675][ T8690] block nbd5: Receive control failed (result -22) [ 75.126013][ T8713] block nbd2: shutting down sockets [ 75.136204][ T8714] block nbd5: shutting down sockets executing program executing program executing program [ 75.142556][ T8690] block nbd4: Receive control failed (result -22) [ 75.142980][ T1529] block nbd0: Receive control failed (result -22) [ 75.158026][ T8715] block nbd0: shutting down sockets [ 75.165434][ T8721] block nbd4: shutting down sockets [ 75.173328][ T1529] block nbd1: Receive control failed (result -22) [ 75.181817][ T8712] block nbd1: shutting down sockets executing program executing program executing program [ 75.214436][ T1529] block nbd3: Receive control failed (result -22) [ 75.223223][ T8724] block nbd3: shutting down sockets [ 75.231265][ T1529] block nbd5: Receive control failed (result -22) [ 75.239517][ T8726] block nbd5: shutting down sockets [ 75.254313][ T1529] block nbd2: Receive control failed (result -22) executing program [ 75.261483][ T8690] block nbd0: Receive control failed (result -22) [ 75.268660][ T8690] block nbd4: Receive control failed (result -22) [ 75.276975][ T8731] block nbd4: shutting down sockets [ 75.287692][ T8690] block nbd1: Receive control failed (result -22) [ 75.295143][ T8729] block nbd0: shutting down sockets [ 75.304767][ T8727] block nbd2: shutting down sockets executing program executing program [ 75.309168][ T8733] block nbd1: shutting down sockets executing program executing program executing program [ 75.336229][ T8690] block nbd4: Receive control failed (result -22) [ 75.343943][ T8690] block nbd5: Receive control failed (result -22) [ 75.351449][ T1529] block nbd3: Receive control failed (result -22) [ 75.359560][ T8740] block nbd4: shutting down sockets [ 75.360533][ T8737] block nbd5: shutting down sockets [ 75.367969][ T8736] block nbd3: shutting down sockets executing program executing program executing program [ 75.403715][ T8690] block nbd2: Receive control failed (result -22) [ 75.411970][ T8690] block nbd0: Receive control failed (result -22) [ 75.418650][ T1529] block nbd1: Receive control failed (result -22) [ 75.419861][ T8743] block nbd2: shutting down sockets [ 75.432454][ T8742] block nbd0: shutting down sockets [ 75.432593][ T8744] block nbd1: shutting down sockets executing program executing program executing program [ 75.468766][ T1529] block nbd5: Receive control failed (result -22) [ 75.476547][ T1529] block nbd3: Receive control failed (result -22) [ 75.483436][ T8690] block nbd4: Receive control failed (result -22) [ 75.486599][ T8749] block nbd5: shutting down sockets [ 75.497151][ T8750] block nbd3: shutting down sockets [ 75.501645][ T8748] block nbd4: shutting down sockets executing program [ 75.527022][ T1529] block nbd0: Receive control failed (result -22) [ 75.535498][ T8754] block nbd0: shutting down sockets [ 75.535770][ T1529] block nbd1: Receive control failed (result -22) [ 75.551835][ T8755] block nbd1: shutting down sockets [ 75.557300][ T1529] block nbd2: Receive control failed (result -22) [ 75.571618][ T8757] block nbd2: shutting down sockets executing program executing program executing program [ 75.582644][ T1529] block nbd3: Receive control failed (result -22) [ 75.593679][ T8760] block nbd3: shutting down sockets [ 75.603876][ T1529] block nbd4: Receive control failed (result -22) [ 75.613492][ T8690] block nbd5: Receive control failed (result -22) [ 75.620902][ T8690] block nbd0: Receive control failed (result -22) [ 75.622270][ T8761] block nbd4: shutting down sockets executing program executing program executing program executing program [ 75.629507][ T8763] block nbd0: shutting down sockets [ 75.639723][ T8764] block nbd5: shutting down sockets executing program [ 75.675576][ T8690] block nbd1: Receive control failed (result -22) [ 75.682494][ T1529] block nbd3: Receive control failed (result -22) [ 75.691810][ T8769] block nbd1: shutting down sockets [ 75.698169][ T8690] block nbd4: Receive control failed (result -22) [ 75.705007][ T1529] block nbd0: Receive control failed (result -22) executing program [ 75.726492][ T8776] block nbd4: shutting down sockets [ 75.732715][ T8690] block nbd2: Receive control failed (result -22) [ 75.735733][ T8772] block nbd0: shutting down sockets [ 75.746639][ T8770] block nbd2: shutting down sockets [ 75.766071][ T8768] block nbd3: shutting down sockets executing program executing program executing program executing program [ 75.776289][ T8690] block nbd5: Receive control failed (result -22) [ 75.786956][ T8778] block nbd5: shutting down sockets [ 75.807424][ T8690] block nbd1: Receive control failed (result -22) [ 75.816186][ T8780] block nbd1: shutting down sockets executing program executing program [ 75.821727][ T8690] block nbd4: Receive control failed (result -22) [ 75.821906][ T1529] block nbd0: Receive control failed (result -22) [ 75.836742][ T8782] block nbd0: shutting down sockets [ 75.837768][ T8783] block nbd4: shutting down sockets [ 75.858127][ T1529] block nbd3: Receive control failed (result -22) executing program executing program [ 75.872070][ T1529] block nbd5: Receive control failed (result -22) [ 75.877384][ T8788] block nbd3: shutting down sockets [ 75.880447][ T1529] block nbd2: Receive control failed (result -22) [ 75.891795][ T8787] block nbd5: shutting down sockets [ 75.903949][ T8786] block nbd2: shutting down sockets executing program executing program executing program executing program [ 75.927076][ T1529] block nbd1: Receive control failed (result -22) [ 75.934488][ T1529] block nbd0: Receive control failed (result -22) [ 75.943434][ T8793] block nbd0: shutting down sockets [ 75.959713][ T1529] block nbd4: Receive control failed (result -22) [ 75.971898][ T8796] block nbd4: shutting down sockets [ 75.977929][ T8792] block nbd1: shutting down sockets [ 75.984090][ T1529] block nbd2: Receive control failed (result -22) [ 75.991018][ T8690] block nbd3: Receive control failed (result -22) [ 75.996532][ T8615] block nbd5: Receive control failed (result -22) [ 76.005841][ T8798] block nbd2: shutting down sockets [ 76.012446][ T8799] block nbd3: shutting down sockets executing program executing program executing program [ 76.024537][ T8800] block nbd5: shutting down sockets [ 76.038894][ T8615] block nbd0: Receive control failed (result -22) [ 76.047943][ T8804] block nbd0: shutting down sockets [ 76.066913][ T8615] block nbd1: Receive control failed (result -22) executing program executing program executing program executing program [ 76.075708][ T8807] block nbd1: shutting down sockets [ 76.075904][ T8615] block nbd4: Receive control failed (result -22) [ 76.090150][ T8806] block nbd4: shutting down sockets [ 76.108830][ T8615] block nbd5: Receive control failed (result -22) [ 76.116775][ T8615] block nbd3: Receive control failed (result -22) [ 76.122027][ T8812] block nbd5: shutting down sockets executing program executing program [ 76.124515][ T8615] block nbd2: Receive control failed (result -22) [ 76.134238][ T8810] block nbd3: shutting down sockets [ 76.143344][ T8615] block nbd0: Receive control failed (result -22) [ 76.153119][ T8811] block nbd0: shutting down sockets [ 76.157106][ T8813] block nbd2: shutting down sockets executing program executing program executing program executing program executing program [ 76.177682][ T8615] block nbd4: Receive control failed (result -22) [ 76.188123][ T8819] block nbd4: shutting down sockets [ 76.203485][ T8615] block nbd1: Receive control failed (result -22) [ 76.212295][ T8818] block nbd1: shutting down sockets executing program [ 76.230112][ T8615] block nbd0: Receive control failed (result -22) [ 76.237003][ T1529] block nbd3: Receive control failed (result -22) [ 76.240137][ T8615] block nbd4: Receive control failed (result -22) [ 76.245977][ T8823] block nbd0: shutting down sockets [ 76.257157][ T8826] block nbd4: shutting down sockets [ 76.263311][ T8615] block nbd2: Receive control failed (result -22) [ 76.264294][ T8825] block nbd3: shutting down sockets [ 76.278317][ T8615] block nbd5: Receive control failed (result -22) [ 76.287740][ T8824] block nbd5: shutting down sockets [ 76.290994][ T8822] block nbd2: shutting down sockets [ 76.319823][ T8615] block nbd1: Receive control failed (result -22) executing program executing program executing program executing program executing program [ 76.328601][ T8832] block nbd1: shutting down sockets executing program [ 76.365926][ T8615] block nbd0: Receive control failed (result -22) [ 76.365981][ T1529] block nbd2: Receive control failed (result -22) [ 76.381267][ T8834] block nbd0: shutting down sockets [ 76.383174][ T8835] block nbd2: shutting down sockets executing program executing program [ 76.410918][ T1529] block nbd5: Receive control failed (result -22) [ 76.419742][ T8838] block nbd5: shutting down sockets [ 76.425208][ T1529] block nbd4: Receive control failed (result -22) [ 76.432441][ T1529] block nbd3: Receive control failed (result -22) [ 76.441398][ T8840] block nbd3: shutting down sockets [ 76.443876][ T8841] block nbd4: shutting down sockets [ 76.448296][ T1529] block nbd1: Receive control failed (result -22) executing program [ 76.464250][ T1529] block nbd0: Receive control failed (result -22) [ 76.474747][ T8847] block nbd0: shutting down sockets [ 76.474880][ T8839] block nbd1: shutting down sockets [ 76.485719][ T1529] block nbd2: Receive control failed (result -22) [ 76.504182][ T8846] block nbd2: shutting down sockets executing program executing program executing program [ 76.524993][ T1529] block nbd3: Receive control failed (result -22) [ 76.533268][ T8850] block nbd3: shutting down sockets executing program executing program executing program [ 76.565268][ T1529] block nbd0: Receive control failed (result -22) [ 76.573891][ T8852] block nbd0: shutting down sockets [ 76.590121][ T1529] block nbd4: Receive control failed (result -22) [ 76.597834][ T1529] block nbd1: Receive control failed (result -22) [ 76.599075][ T8856] block nbd4: shutting down sockets executing program [ 76.610275][ T1529] block nbd5: Receive control failed (result -22) [ 76.622049][ T8855] block nbd5: shutting down sockets [ 76.631163][ T8854] block nbd1: shutting down sockets [ 76.636943][ T1529] block nbd2: Receive control failed (result -22) [ 76.645871][ T8857] block nbd2: shutting down sockets executing program executing program executing program [ 76.663762][ T1529] block nbd3: Receive control failed (result -22) [ 76.673781][ T8860] block nbd3: shutting down sockets [ 76.679192][ T1529] block nbd4: Receive control failed (result -22) [ 76.692180][ T8866] block nbd4: shutting down sockets [ 76.701154][ T1529] block nbd0: Receive control failed (result -22) [ 76.709890][ T8864] block nbd0: shutting down sockets executing program executing program [ 76.719391][ T1529] block nbd2: Receive control failed (result -22) [ 76.727877][ T8868] block nbd2: shutting down sockets [ 76.734619][ T1529] block nbd5: Receive control failed (result -22) [ 76.743354][ T8869] block nbd5: shutting down sockets [ 76.755987][ T1529] block nbd1: Receive control failed (result -22) [ 76.764719][ T8873] block nbd1: shutting down sockets executing program executing program executing program executing program [ 76.765995][ T1529] block nbd3: Receive control failed (result -22) [ 76.778683][ T8872] block nbd3: shutting down sockets [ 76.797732][ T1529] block nbd2: Receive control failed (result -22) [ 76.806503][ T8876] block nbd2: shutting down sockets [ 76.808002][ T1529] block nbd0: Receive control failed (result -22) executing program executing program [ 76.822013][ T8877] block nbd0: shutting down sockets [ 76.827677][ T1529] block nbd4: Receive control failed (result -22) [ 76.835966][ T1529] block nbd5: Receive control failed (result -22) [ 76.844687][ T8879] block nbd5: shutting down sockets [ 76.844746][ T8878] block nbd4: shutting down sockets executing program executing program executing program executing program [ 76.867999][ T1529] block nbd1: Receive control failed (result -22) [ 76.868599][ T8615] block nbd3: Receive control failed (result -22) [ 76.883262][ T8885] block nbd1: shutting down sockets [ 76.893273][ T8884] block nbd3: shutting down sockets [ 76.915723][ T8615] block nbd0: Receive control failed (result -22) executing program executing program [ 76.924429][ T8888] block nbd0: shutting down sockets [ 76.930495][ T8615] block nbd1: Receive control failed (result -22) [ 76.939622][ T8894] block nbd1: shutting down sockets [ 76.945732][ T8615] block nbd5: Receive control failed (result -22) [ 76.951326][ T1529] block nbd2: Receive control failed (result -22) [ 76.959764][ T1529] block nbd4: Receive control failed (result -22) [ 76.967434][ T1529] block nbd3: Receive control failed (result -22) executing program executing program executing program [ 76.977213][ T8889] block nbd2: shutting down sockets [ 76.981893][ T8891] block nbd4: shutting down sockets [ 76.986784][ T8892] block nbd5: shutting down sockets [ 76.996355][ T8898] block nbd3: shutting down sockets [ 77.025838][ T1529] block nbd4: Receive control failed (result -22) [ 77.034518][ T8902] block nbd4: shutting down sockets [ 77.040490][ T1529] block nbd0: Receive control failed (result -22) [ 77.041704][ T8615] block nbd1: Receive control failed (result -22) [ 77.056395][ T8900] block nbd1: shutting down sockets executing program executing program executing program executing program [ 77.072711][ T8901] block nbd0: shutting down sockets executing program [ 77.096756][ T8615] block nbd2: Receive control failed (result -22) [ 77.097265][ T1529] block nbd3: Receive control failed (result -22) [ 77.112428][ T1529] block nbd4: Receive control failed (result -22) [ 77.114610][ T8615] block nbd5: Receive control failed (result -22) [ 77.128938][ T8912] block nbd4: shutting down sockets [ 77.135407][ T8906] block nbd2: shutting down sockets executing program executing program executing program [ 77.142586][ T8908] block nbd5: shutting down sockets [ 77.142672][ T8907] block nbd3: shutting down sockets [ 77.153720][ T8615] block nbd1: Receive control failed (result -22) [ 77.162295][ T8914] block nbd1: shutting down sockets [ 77.185797][ T8615] block nbd0: Receive control failed (result -22) executing program executing program [ 77.194456][ T8916] block nbd0: shutting down sockets [ 77.207559][ T8615] block nbd2: Receive control failed (result -22) [ 77.216461][ T8920] block nbd2: shutting down sockets [ 77.225079][ T8615] block nbd5: Receive control failed (result -22) [ 77.225421][ T1529] block nbd4: Receive control failed (result -22) [ 77.242496][ T8918] block nbd5: shutting down sockets executing program executing program executing program executing program [ 77.253713][ T8919] block nbd4: shutting down sockets [ 77.259593][ T1529] block nbd1: Receive control failed (result -22) [ 77.268194][ T8924] block nbd1: shutting down sockets executing program [ 77.303447][ T1529] block nbd3: Receive control failed (result -22) [ 77.313180][ T1529] block nbd0: Receive control failed (result -22) [ 77.313686][ T8928] block nbd3: shutting down sockets [ 77.320624][ T1529] block nbd5: Receive control failed (result -22) [ 77.333818][ T8929] block nbd5: shutting down sockets [ 77.339222][ T1529] block nbd2: Receive control failed (result -22) [ 77.348042][ T8927] block nbd0: shutting down sockets executing program [ 77.355161][ T8926] block nbd2: shutting down sockets [ 77.369244][ T1529] block nbd1: Receive control failed (result -22) [ 77.379350][ T1529] block nbd4: Receive control failed (result -22) [ 77.395275][ T8934] block nbd4: shutting down sockets executing program executing program executing program executing program executing program [ 77.401451][ T8935] block nbd1: shutting down sockets [ 77.420647][ T1529] block nbd0: Receive control failed (result -22) [ 77.421047][ T8615] block nbd5: Receive control failed (result -22) [ 77.444599][ T8938] block nbd5: shutting down sockets [ 77.451002][ T8615] block nbd4: Receive control failed (result -22) [ 77.453974][ T1529] block nbd3: Receive control failed (result -22) [ 77.459335][ T8945] block nbd4: shutting down sockets [ 77.471980][ T8939] block nbd0: shutting down sockets [ 77.480459][ T8940] block nbd3: shutting down sockets [ 77.492189][ T1529] block nbd2: Receive control failed (result -22) executing program executing program [ 77.503248][ T8943] block nbd2: shutting down sockets executing program executing program executing program executing program [ 77.526063][ T1529] block nbd5: Receive control failed (result -22) [ 77.535398][ T8948] block nbd5: shutting down sockets [ 77.536414][ T1529] block nbd0: Receive control failed (result -22) [ 77.550340][ T8949] block nbd0: shutting down sockets [ 77.568661][ T1529] block nbd3: Receive control failed (result -22) [ 77.576704][ T1529] block nbd4: Receive control failed (result -22) [ 77.578680][ T8615] block nbd2: Receive control failed (result -22) [ 77.584604][ T1529] block nbd1: Receive control failed (result -22) [ 77.598657][ T8952] block nbd1: shutting down sockets [ 77.598898][ T8955] block nbd2: shutting down sockets [ 77.613724][ T8956] block nbd3: shutting down sockets executing program executing program [ 77.624611][ T8953] block nbd4: shutting down sockets executing program executing program executing program executing program [ 77.655388][ T1529] block nbd5: Receive control failed (result -22) [ 77.656480][ T8615] block nbd0: Receive control failed (result -22) [ 77.670790][ T8960] block nbd5: shutting down sockets [ 77.677958][ T8961] block nbd0: shutting down sockets [ 77.702935][ T8615] block nbd3: Receive control failed (result -22) [ 77.711021][ T8615] block nbd1: Receive control failed (result -22) [ 77.712233][ T1529] block nbd2: Receive control failed (result -22) [ 77.725108][ T1529] block nbd4: Receive control failed (result -22) [ 77.736232][ T8966] block nbd4: shutting down sockets [ 77.743065][ T8967] block nbd3: shutting down sockets [ 77.748517][ T8965] block nbd2: shutting down sockets executing program executing program [ 77.761938][ T8964] block nbd1: shutting down sockets executing program executing program executing program executing program [ 77.789867][ T8615] block nbd5: Receive control failed (result -22) [ 77.789874][ T1529] block nbd0: Receive control failed (result -22) [ 77.805181][ T8973] block nbd0: shutting down sockets [ 77.814217][ T8972] block nbd5: shutting down sockets [ 77.833410][ T8615] block nbd2: Receive control failed (result -22) executing program [ 77.842613][ T8977] block nbd2: shutting down sockets [ 77.855965][ T8615] block nbd0: Receive control failed (result -22) [ 77.860441][ T1529] block nbd1: Receive control failed (result -22) [ 77.869904][ T1529] block nbd3: Receive control failed (result -22) [ 77.870094][ T8615] block nbd4: Receive control failed (result -22) [ 77.886275][ T8978] block nbd4: shutting down sockets executing program executing program executing program [ 77.886291][ T8979] block nbd1: shutting down sockets [ 77.908850][ T8984] block nbd0: shutting down sockets [ 77.917420][ T8976] block nbd3: shutting down sockets [ 77.935458][ T8615] block nbd2: Receive control failed (result -22) executing program executing program executing program [ 77.949882][ T8987] block nbd2: shutting down sockets [ 77.956071][ T8615] block nbd5: Receive control failed (result -22) [ 77.963704][ T8615] block nbd4: Receive control failed (result -22) [ 77.973373][ T8986] block nbd5: shutting down sockets [ 77.981393][ T8990] block nbd4: shutting down sockets executing program [ 78.010781][ T8615] block nbd1: Receive control failed (result -22) [ 78.021148][ T8615] block nbd2: Receive control failed (result -22) [ 78.027942][ T8994] block nbd1: shutting down sockets [ 78.034180][ T8615] block nbd3: Receive control failed (result -22) [ 78.034513][ T1529] block nbd0: Receive control failed (result -22) [ 78.049565][ T8992] block nbd0: shutting down sockets executing program executing program [ 78.056633][ T8993] block nbd3: shutting down sockets [ 78.059330][ T8996] block nbd2: shutting down sockets [ 78.081079][ T1529] block nbd5: Receive control failed (result -22) [ 78.091187][ T9000] block nbd5: shutting down sockets [ 78.101875][ T1529] block nbd4: Receive control failed (result -22) executing program executing program executing program executing program [ 78.110108][ T9001] block nbd4: shutting down sockets executing program [ 78.138787][ T1529] block nbd0: Receive control failed (result -22) [ 78.148908][ T1529] block nbd2: Receive control failed (result -22) [ 78.151868][ T9004] block nbd0: shutting down sockets [ 78.162813][ T1529] block nbd3: Receive control failed (result -22) [ 78.163612][ T8615] block nbd1: Receive control failed (result -22) [ 78.179714][ T9005] block nbd3: shutting down sockets executing program [ 78.187696][ T9006] block nbd2: shutting down sockets [ 78.194585][ T9007] block nbd1: shutting down sockets [ 78.200037][ T8615] block nbd5: Receive control failed (result -22) [ 78.208903][ T9012] block nbd5: shutting down sockets executing program executing program executing program executing program executing program [ 78.230943][ T8615] block nbd4: Receive control failed (result -22) [ 78.249679][ T9014] block nbd4: shutting down sockets [ 78.258577][ T8615] block nbd1: Receive control failed (result -22) [ 78.266245][ T8615] block nbd0: Receive control failed (result -22) [ 78.274821][ T9017] block nbd0: shutting down sockets executing program executing program [ 78.295110][ T9016] block nbd1: shutting down sockets [ 78.300834][ T8615] block nbd5: Receive control failed (result -22) [ 78.307977][ T8615] block nbd2: Receive control failed (result -22) [ 78.313497][ T9021] block nbd5: shutting down sockets [ 78.314962][ T1529] block nbd3: Receive control failed (result -22) [ 78.328795][ T9023] block nbd3: shutting down sockets [ 78.336536][ T9020] block nbd2: shutting down sockets executing program executing program executing program executing program [ 78.371307][ T8615] block nbd4: Receive control failed (result -22) [ 78.378651][ T1529] block nbd0: Receive control failed (result -22) [ 78.387969][ T9026] block nbd0: shutting down sockets [ 78.393551][ T9027] block nbd4: shutting down sockets [ 78.400610][ T1529] block nbd5: Receive control failed (result -22) [ 78.412356][ T9030] block nbd5: shutting down sockets executing program executing program [ 78.435987][ T1529] block nbd2: Receive control failed (result -22) [ 78.442877][ T8615] block nbd3: Receive control failed (result -22) [ 78.450501][ T1529] block nbd1: Receive control failed (result -22) [ 78.459013][ T9034] block nbd1: shutting down sockets [ 78.462497][ T9032] block nbd2: shutting down sockets executing program executing program executing program executing program [ 78.487109][ T9033] block nbd3: shutting down sockets [ 78.498818][ T1529] block nbd4: Receive control failed (result -22) [ 78.505601][ T8615] block nbd0: Receive control failed (result -22) [ 78.513890][ T9038] block nbd4: shutting down sockets [ 78.523837][ T9039] block nbd0: shutting down sockets [ 78.546607][ T1529] block nbd5: Receive control failed (result -22) [ 78.556557][ T9042] block nbd5: shutting down sockets [ 78.562470][ T1529] block nbd2: Receive control failed (result -22) [ 78.569263][ T1529] block nbd3: Receive control failed (result -22) [ 78.577584][ T8615] block nbd1: Receive control failed (result -22) [ 78.584492][ T9045] block nbd2: shutting down sockets [ 78.591463][ T9044] block nbd3: shutting down sockets executing program executing program executing program executing program executing program executing program [ 78.599079][ T9046] block nbd1: shutting down sockets [ 78.614703][ T1529] block nbd0: Receive control failed (result -22) [ 78.623684][ T9051] block nbd0: shutting down sockets [ 78.631589][ T1529] block nbd4: Receive control failed (result -22) [ 78.641023][ T9050] block nbd4: shutting down sockets executing program [ 78.657877][ T1529] block nbd5: Receive control failed (result -22) [ 78.668760][ T8615] block nbd1: Receive control failed (result -22) [ 78.677513][ T9054] block nbd5: shutting down sockets [ 78.677571][ T8615] block nbd2: Receive control failed (result -22) [ 78.683491][ T1529] block nbd3: Receive control failed (result -22) [ 78.699078][ T9057] block nbd3: shutting down sockets executing program [ 78.704770][ T9056] block nbd2: shutting down sockets [ 78.705375][ T1529] block nbd0: Receive control failed (result -22) [ 78.719027][ T9062] block nbd0: shutting down sockets [ 78.727425][ T9058] block nbd1: shutting down sockets executing program executing program [ 78.753476][ T1529] block nbd4: Receive control failed (result -22) [ 78.762530][ T9064] block nbd4: shutting down sockets [ 78.786116][ T1529] block nbd2: Receive control failed (result -22) [ 78.795134][ T9067] block nbd2: shutting down sockets executing program executing program executing program executing program [ 78.801046][ T1529] block nbd5: Receive control failed (result -22) [ 78.809490][ T9066] block nbd5: shutting down sockets [ 78.828695][ T1529] block nbd4: Receive control failed (result -22) [ 78.838120][ T1529] block nbd0: Receive control failed (result -22) [ 78.845650][ T1529] block nbd1: Receive control failed (result -22) executing program executing program [ 78.846630][ T9072] block nbd0: shutting down sockets [ 78.857960][ T1529] block nbd3: Receive control failed (result -22) [ 78.866120][ T9074] block nbd4: shutting down sockets [ 78.866776][ T9070] block nbd1: shutting down sockets [ 78.883769][ T9073] block nbd3: shutting down sockets executing program executing program executing program [ 78.907451][ T1529] block nbd2: Receive control failed (result -22) [ 78.916193][ T9079] block nbd2: shutting down sockets [ 78.924515][ T1529] block nbd5: Receive control failed (result -22) [ 78.933432][ T9078] block nbd5: shutting down sockets executing program [ 78.952571][ T1529] block nbd1: Receive control failed (result -22) [ 78.960001][ T1529] block nbd4: Receive control failed (result -22) [ 78.961522][ T9083] block nbd1: shutting down sockets [ 78.967358][ T8615] block nbd0: Receive control failed (result -22) [ 78.981744][ T9082] block nbd0: shutting down sockets [ 78.998948][ T9084] block nbd4: shutting down sockets executing program executing program executing program executing program executing program [ 79.005088][ T1529] block nbd3: Receive control failed (result -22) [ 79.013515][ T9088] block nbd3: shutting down sockets [ 79.026457][ T1529] block nbd2: Receive control failed (result -22) [ 79.036529][ T9090] block nbd2: shutting down sockets executing program executing program [ 79.055055][ T1529] block nbd0: Receive control failed (result -22) [ 79.063695][ T9092] block nbd0: shutting down sockets [ 79.069395][ T1529] block nbd4: Receive control failed (result -22) [ 79.078139][ T9093] block nbd4: shutting down sockets [ 79.079440][ T1529] block nbd1: Receive control failed (result -22) [ 79.090905][ T1529] block nbd5: Receive control failed (result -22) [ 79.097647][ T8615] block nbd3: Receive control failed (result -22) [ 79.107355][ T9094] block nbd5: shutting down sockets [ 79.121291][ T1529] block nbd2: Receive control failed (result -22) [ 79.123951][ T9095] block nbd1: shutting down sockets [ 79.145235][ T9102] block nbd2: shutting down sockets executing program executing program executing program [ 79.167798][ T9097] block nbd3: shutting down sockets [ 79.184640][ T1529] block nbd4: Receive control failed (result -22) [ 79.192392][ T1529] block nbd5: Receive control failed (result -22) [ 79.196919][ T9106] block nbd4: shutting down sockets [ 79.204909][ T1529] block nbd0: Receive control failed (result -22) executing program executing program executing program executing program [ 79.213430][ T9105] block nbd0: shutting down sockets [ 79.224766][ T9104] block nbd5: shutting down sockets [ 79.239470][ T1529] block nbd1: Receive control failed (result -22) [ 79.245233][ T8615] block nbd2: Receive control failed (result -22) [ 79.254695][ T9111] block nbd1: shutting down sockets executing program executing program [ 79.264243][ T9110] block nbd2: shutting down sockets [ 79.276327][ T8615] block nbd3: Receive control failed (result -22) [ 79.284723][ T9113] block nbd3: shutting down sockets [ 79.290474][ T8615] block nbd0: Receive control failed (result -22) [ 79.300357][ T9115] block nbd0: shutting down sockets [ 79.308089][ T8615] block nbd5: Receive control failed (result -22) executing program executing program executing program [ 79.318117][ T9118] block nbd5: shutting down sockets [ 79.331228][ T8615] block nbd4: Receive control failed (result -22) [ 79.339862][ T9119] block nbd4: shutting down sockets [ 79.351045][ T8615] block nbd2: Receive control failed (result -22) [ 79.357819][ T1529] block nbd1: Receive control failed (result -22) executing program executing program executing program [ 79.369248][ T9122] block nbd1: shutting down sockets [ 79.372516][ T9123] block nbd2: shutting down sockets [ 79.381797][ T8615] block nbd3: Receive control failed (result -22) [ 79.390950][ T9126] block nbd3: shutting down sockets [ 79.402688][ T8615] block nbd5: Receive control failed (result -22) [ 79.409430][ T1529] block nbd4: Receive control failed (result -22) executing program executing program [ 79.409911][ T8690] block nbd0: Receive control failed (result -22) [ 79.420167][ T9128] block nbd5: shutting down sockets [ 79.435881][ T9132] block nbd4: shutting down sockets [ 79.452517][ T9129] block nbd0: shutting down sockets executing program executing program executing program executing program [ 79.463886][ T8690] block nbd3: Receive control failed (result -22) [ 79.464157][ T1529] block nbd1: Receive control failed (result -22) [ 79.477916][ T9137] block nbd3: shutting down sockets [ 79.494656][ T9134] block nbd1: shutting down sockets executing program [ 79.521517][ T1529] block nbd4: Receive control failed (result -22) [ 79.521523][ T8690] block nbd5: Receive control failed (result -22) [ 79.529044][ T1529] block nbd0: Receive control failed (result -22) [ 79.535123][ T8690] block nbd2: Receive control failed (result -22) [ 79.549537][ T9143] block nbd2: shutting down sockets [ 79.562068][ T9141] block nbd0: shutting down sockets executing program [ 79.571335][ T9140] block nbd5: shutting down sockets [ 79.588568][ T8690] block nbd3: Receive control failed (result -22) [ 79.596037][ T8690] block nbd1: Receive control failed (result -22) [ 79.603178][ T9148] block nbd3: shutting down sockets [ 79.604448][ T9149] block nbd1: shutting down sockets executing program executing program executing program executing program executing program [ 79.625429][ T9142] block nbd4: shutting down sockets [ 79.642328][ T8690] block nbd2: Receive control failed (result -22) [ 79.651965][ T9152] block nbd2: shutting down sockets executing program [ 79.671448][ T8690] block nbd1: Receive control failed (result -22) [ 79.679359][ T8690] block nbd3: Receive control failed (result -22) [ 79.681832][ T9155] block nbd1: shutting down sockets [ 79.692260][ T8690] block nbd5: Receive control failed (result -22) [ 79.703062][ T8690] block nbd0: Receive control failed (result -22) [ 79.706428][ T9154] block nbd5: shutting down sockets [ 79.716205][ T9156] block nbd0: shutting down sockets executing program executing program [ 79.722126][ T9157] block nbd3: shutting down sockets [ 79.730829][ T8690] block nbd4: Receive control failed (result -22) [ 79.741972][ T9162] block nbd4: shutting down sockets [ 79.766066][ T8690] block nbd1: Receive control failed (result -22) executing program executing program executing program [ 79.770943][ T1529] block nbd2: Receive control failed (result -22) [ 79.780946][ T9165] block nbd1: shutting down sockets [ 79.788992][ T9164] block nbd2: shutting down sockets [ 79.801224][ T1529] block nbd3: Receive control failed (result -22) [ 79.815614][ T9168] block nbd3: shutting down sockets executing program executing program executing program [ 79.821916][ T1529] block nbd4: Receive control failed (result -22) [ 79.832416][ T9171] block nbd4: shutting down sockets [ 79.840575][ T1529] block nbd5: Receive control failed (result -22) [ 79.849250][ T9170] block nbd5: shutting down sockets [ 79.870029][ T1529] block nbd0: Receive control failed (result -22) executing program executing program executing program [ 79.876912][ T8690] block nbd1: Receive control failed (result -22) [ 79.876951][ T8615] block nbd2: Receive control failed (result -22) [ 79.899656][ T9174] block nbd0: shutting down sockets [ 79.904575][ T9178] block nbd2: shutting down sockets [ 79.913041][ T9175] block nbd1: shutting down sockets executing program executing program executing program [ 79.938874][ T8615] block nbd4: Receive control failed (result -22) [ 79.947776][ T9181] block nbd4: shutting down sockets [ 79.953843][ T8615] block nbd3: Receive control failed (result -22) [ 79.960618][ T8690] block nbd5: Receive control failed (result -22) [ 79.969323][ T9180] block nbd3: shutting down sockets executing program [ 79.992794][ T9182] block nbd5: shutting down sockets [ 80.008028][ T8615] block nbd2: Receive control failed (result -22) [ 80.013790][ T8690] block nbd0: Receive control failed (result -22) [ 80.015677][ T8615] block nbd1: Receive control failed (result -22) [ 80.030478][ T9187] block nbd2: shutting down sockets executing program [ 80.043921][ T9188] block nbd1: shutting down sockets [ 80.049055][ T9186] block nbd0: shutting down sockets [ 80.061258][ T8615] block nbd4: Receive control failed (result -22) [ 80.071435][ T9192] block nbd4: shutting down sockets executing program executing program executing program executing program executing program [ 80.092030][ T8615] block nbd3: Receive control failed (result -22) [ 80.101022][ T9194] block nbd3: shutting down sockets [ 80.117686][ T8615] block nbd2: Receive control failed (result -22) [ 80.125724][ T8615] block nbd0: Receive control failed (result -22) [ 80.126547][ T9196] block nbd2: shutting down sockets [ 80.133007][ T8615] block nbd5: Receive control failed (result -22) executing program [ 80.138478][ T8690] block nbd4: Receive control failed (result -22) [ 80.151239][ T8690] block nbd1: Receive control failed (result -22) [ 80.159804][ T9200] block nbd1: shutting down sockets [ 80.159860][ T9201] block nbd0: shutting down sockets [ 80.182184][ T9203] block nbd4: shutting down sockets executing program executing program [ 80.209360][ T9197] block nbd5: shutting down sockets [ 80.212974][ T8690] block nbd3: Receive control failed (result -22) [ 80.223500][ T9206] block nbd3: shutting down sockets [ 80.238906][ T8690] block nbd1: Receive control failed (result -22) [ 80.248079][ T8690] block nbd2: Receive control failed (result -22) executing program executing program [ 80.255554][ T9209] block nbd1: shutting down sockets [ 80.256549][ T9208] block nbd2: shutting down sockets [ 80.290166][ T8690] block nbd4: Receive control failed (result -22) [ 80.297955][ T8690] block nbd5: Receive control failed (result -22) [ 80.298876][ T9212] block nbd4: shutting down sockets executing program executing program executing program executing program executing program [ 80.319948][ T9213] block nbd5: shutting down sockets [ 80.335068][ T8690] block nbd0: Receive control failed (result -22) [ 80.340560][ T8615] block nbd3: Receive control failed (result -22) [ 80.343882][ T9217] block nbd0: shutting down sockets [ 80.361088][ T9216] block nbd3: shutting down sockets executing program executing program [ 80.374196][ T8615] block nbd2: Receive control failed (result -22) [ 80.381540][ T8615] block nbd1: Receive control failed (result -22) [ 80.384391][ T9220] block nbd2: shutting down sockets [ 80.395453][ T9221] block nbd1: shutting down sockets [ 80.410795][ T8615] block nbd4: Receive control failed (result -22) executing program executing program [ 80.421584][ T9223] block nbd4: shutting down sockets [ 80.430388][ T8690] block nbd5: Receive control failed (result -22) [ 80.437410][ T8690] block nbd0: Receive control failed (result -22) [ 80.438604][ T9226] block nbd5: shutting down sockets [ 80.445941][ T9228] block nbd0: shutting down sockets [ 80.458163][ T8615] block nbd3: Receive control failed (result -22) executing program executing program [ 80.470821][ T9230] block nbd3: shutting down sockets [ 80.485982][ T8615] block nbd2: Receive control failed (result -22) [ 80.494347][ T9232] block nbd2: shutting down sockets [ 80.505568][ T8615] block nbd4: Receive control failed (result -22) [ 80.514062][ T9234] block nbd4: shutting down sockets executing program executing program executing program [ 80.521280][ T8615] block nbd1: Receive control failed (result -22) [ 80.534119][ T9236] block nbd1: shutting down sockets [ 80.544755][ T8615] block nbd3: Receive control failed (result -22) [ 80.553263][ T9239] block nbd3: shutting down sockets [ 80.560686][ T8615] block nbd5: Receive control failed (result -22) [ 80.560725][ T8690] block nbd0: Receive control failed (result -22) executing program executing program [ 80.575987][ T9238] block nbd5: shutting down sockets [ 80.583496][ T9240] block nbd0: shutting down sockets [ 80.614798][ T8690] block nbd2: Receive control failed (result -22) executing program executing program executing program executing program [ 80.622986][ T9244] block nbd2: shutting down sockets [ 80.628736][ T8690] block nbd4: Receive control failed (result -22) [ 80.637656][ T9246] block nbd4: shutting down sockets [ 80.660057][ T8690] block nbd3: Receive control failed (result -22) [ 80.668463][ T8690] block nbd1: Receive control failed (result -22) executing program executing program [ 80.669044][ T8615] block nbd0: Receive control failed (result -22) [ 80.683151][ T8615] block nbd5: Receive control failed (result -22) [ 80.692731][ T9249] block nbd5: shutting down sockets [ 80.697306][ T9251] block nbd0: shutting down sockets [ 80.698017][ T9248] block nbd3: shutting down sockets [ 80.703846][ T9250] block nbd1: shutting down sockets executing program executing program executing program [ 80.731674][ T8615] block nbd4: Receive control failed (result -22) [ 80.740401][ T8615] block nbd2: Receive control failed (result -22) [ 80.741781][ T9257] block nbd4: shutting down sockets [ 80.759950][ T9256] block nbd2: shutting down sockets executing program executing program [ 80.782751][ T8615] block nbd0: Receive control failed (result -22) [ 80.789538][ T8690] block nbd3: Receive control failed (result -22) [ 80.799033][ T8690] block nbd5: Receive control failed (result -22) [ 80.811241][ T9261] block nbd3: shutting down sockets [ 80.818239][ T9262] block nbd5: shutting down sockets [ 80.824863][ T8690] block nbd1: Receive control failed (result -22) executing program [ 80.829499][ T8615] block nbd4: Receive control failed (result -22) [ 80.832722][ T9260] block nbd0: shutting down sockets [ 80.854210][ T9266] block nbd1: shutting down sockets [ 80.861176][ T9267] block nbd4: shutting down sockets [ 80.871129][ T8615] block nbd2: Receive control failed (result -22) executing program executing program [ 80.879335][ T9269] block nbd2: shutting down sockets executing program executing program executing program executing program [ 80.907325][ T8615] block nbd3: Receive control failed (result -22) [ 80.916948][ T9273] block nbd3: shutting down sockets [ 80.920731][ T8615] block nbd5: Receive control failed (result -22) [ 80.931305][ T9272] block nbd5: shutting down sockets executing program [ 80.953063][ T8615] block nbd0: Receive control failed (result -22) [ 80.959982][ T8690] block nbd4: Receive control failed (result -22) [ 80.967023][ T1529] block nbd1: Receive control failed (result -22) [ 80.975816][ T9278] block nbd4: shutting down sockets [ 80.981672][ T8615] block nbd2: Receive control failed (result -22) [ 80.982969][ T9276] block nbd0: shutting down sockets [ 80.994767][ T9277] block nbd2: shutting down sockets executing program executing program executing program executing program [ 81.011594][ T9280] block nbd1: shutting down sockets [ 81.013189][ T8615] block nbd3: Receive control failed (result -22) [ 81.028430][ T9284] block nbd3: shutting down sockets executing program [ 81.069021][ T8615] block nbd0: Receive control failed (result -22) [ 81.078516][ T9288] block nbd0: shutting down sockets [ 81.080876][ T8615] block nbd2: Receive control failed (result -22) [ 81.084608][ T1529] block nbd4: Receive control failed (result -22) [ 81.100798][ T1529] block nbd5: Receive control failed (result -22) [ 81.106300][ T9289] block nbd4: shutting down sockets executing program [ 81.121562][ T9286] block nbd5: shutting down sockets [ 81.133059][ T1529] block nbd3: Receive control failed (result -22) [ 81.142383][ T9295] block nbd3: shutting down sockets [ 81.151351][ T1529] block nbd1: Receive control failed (result -22) [ 81.155753][ T9287] block nbd2: shutting down sockets executing program executing program executing program [ 81.173503][ T9294] block nbd1: shutting down sockets executing program executing program executing program [ 81.195876][ T1529] block nbd0: Receive control failed (result -22) [ 81.204794][ T8615] block nbd4: Receive control failed (result -22) [ 81.205729][ T1529] block nbd5: Receive control failed (result -22) [ 81.219822][ T9299] block nbd4: shutting down sockets [ 81.223148][ T9298] block nbd0: shutting down sockets [ 81.237851][ T9302] block nbd5: shutting down sockets executing program executing program [ 81.260969][ T1529] block nbd2: Receive control failed (result -22) [ 81.268819][ T1529] block nbd3: Receive control failed (result -22) [ 81.270859][ T9305] block nbd2: shutting down sockets [ 81.281042][ T1529] block nbd1: Receive control failed (result -22) [ 81.290431][ T9306] block nbd1: shutting down sockets [ 81.291030][ T9304] block nbd3: shutting down sockets executing program executing program [ 81.313787][ T1529] block nbd4: Receive control failed (result -22) [ 81.321674][ T8615] block nbd0: Receive control failed (result -22) [ 81.329039][ T1529] block nbd4: shutting down sockets [ 81.329940][ T9310] block nbd0: shutting down sockets [ 81.336620][ T1529] [ 81.341927][ T1529] ============================================ [ 81.348072][ T1529] WARNING: possible recursive locking detected [ 81.354231][ T1529] 5.4.0-rc3-next-20191018 #0 Not tainted executing program [ 81.359840][ T1529] -------------------------------------------- [ 81.362271][ T8615] block nbd5: Receive control failed (result -22) [ 81.365976][ T1529] kworker/u5:0/1529 is trying to acquire lock: [ 81.365981][ T1529] ffff8880a0bf8d28 ((wq_completion)knbd4-recv){+.+.}, at: flush_workqueue+0xf7/0x14c0 [ 81.372510][ T9315] kobject: 'nbd5' (0000000036b67647): kobject_uevent_env [ 81.378514][ T1529] [ 81.378514][ T1529] but task is already holding lock: [ 81.378519][ T1529] ffff8880a0bf8d28 ((wq_completion)knbd4-recv){+.+.}, at: process_one_work+0x88b/0x1740 [ 81.391738][ T9315] kobject: 'nbd5' (0000000036b67647): fill_kobj_path: path = '/devices/virtual/block/nbd5' [ 81.395040][ T1529] [ 81.395040][ T1529] other info that might help us debug this: [ 81.395044][ T1529] Possible unsafe locking scenario: [ 81.395044][ T1529] [ 81.395047][ T1529] CPU0 [ 81.395049][ T1529] ---- [ 81.395058][ T1529] lock((wq_completion)knbd4-recv); [ 81.410643][ T9315] block nbd5: shutting down sockets [ 81.412098][ T1529] lock((wq_completion)knbd4-recv); [ 81.412107][ T1529] [ 81.412107][ T1529] *** DEADLOCK *** [ 81.412107][ T1529] [ 81.412110][ T1529] May be due to missing lock nesting notation [ 81.412110][ T1529] [ 81.412123][ T1529] 3 locks held by kworker/u5:0/1529: [ 81.481394][ T1529] #0: ffff8880a0bf8d28 ((wq_completion)knbd4-recv){+.+.}, at: process_one_work+0x88b/0x1740 [ 81.491546][ T1529] #1: ffff8880a60c7dc0 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 81.502128][ T1529] #2: ffff88821936ad78 (&nbd->config_lock){+.+.}, at: refcount_dec_and_mutex_lock+0x56/0x90 [ 81.512348][ T1529] [ 81.512348][ T1529] stack backtrace: [ 81.518230][ T1529] CPU: 0 PID: 1529 Comm: kworker/u5:0 Not tainted 5.4.0-rc3-next-20191018 #0 [ 81.526962][ T1529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.537050][ T1529] Workqueue: knbd4-recv recv_work [ 81.542047][ T1529] Call Trace: [ 81.545315][ T1529] dump_stack+0x172/0x1f0 [ 81.549623][ T1529] __lock_acquire.cold+0x15d/0x385 [ 81.554714][ T1529] ? mark_held_locks+0xf0/0xf0 [ 81.559456][ T1529] lock_acquire+0x190/0x410 [ 81.563946][ T1529] ? flush_workqueue+0xf7/0x14c0 [ 81.568861][ T1529] flush_workqueue+0x126/0x14c0 [ 81.573689][ T1529] ? flush_workqueue+0xf7/0x14c0 [ 81.578605][ T1529] ? lock_downgrade+0x920/0x920 [ 81.583441][ T1529] ? drain_workqueue+0x2b/0x470 [ 81.588270][ T1529] ? debug_check_no_obj_freed+0x20a/0x43f [ 81.593975][ T1529] ? find_held_lock+0x35/0x130 [ 81.598713][ T1529] ? pwq_unbound_release_workfn+0x2f0/0x2f0 [ 81.604584][ T1529] ? mark_lock+0xc2/0x1220 [ 81.608979][ T1529] drain_workqueue+0x1b4/0x470 [ 81.613730][ T1529] ? drain_workqueue+0x1b4/0x470 [ 81.618642][ T1529] ? kfree+0x226/0x2c0 [ 81.622698][ T1529] destroy_workqueue+0x74/0x760 [ 81.627537][ T1529] ? nbd_config_put+0x378/0x870 [ 81.632385][ T1529] nbd_config_put+0x3dd/0x870 [ 81.637046][ T1529] recv_work+0x19b/0x200 [ 81.641331][ T1529] process_one_work+0x9af/0x1740 [ 81.646255][ T1529] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.651611][ T1529] ? lock_acquire+0x190/0x410 [ 81.656279][ T1529] worker_thread+0x98/0xe40 [ 81.660762][ T1529] kthread+0x361/0x430 executing program executing program executing program executing program [ 81.664806][ T1529] ? process_one_work+0x1740/0x1740 [ 81.669980][ T1529] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 81.675688][ T1529] ret_from_fork+0x24/0x30