syzbot


INFO: rcu detected stall in rescuer_thread

Status: auto-closed as invalid on 2019/06/10 17:23
Reported-by: syzbot+beab025c0586bcf5506a@syzkaller.appspotmail.com
First crash: 2020d, last: 2020d

Sample crash report:
RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049
RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00
RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700
R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc
INFO: rcu_preempt detected stalls on CPUs/tasks:
	Tasks blocked on level-0 rcu_node (CPUs 0-1): P9320
	(detected by 0, t=10502 jiffies, g=41927, c=41926, q=5)
[30465]     0 30465    17618     8234      25       4        0          1000 syz-executor1
[30476]     0 30476    17618     8233      25       4        0          1000 syz-executor1
[30488]     0 30488    17618     8234      25       4        0          1000 syz-executor1
[30496]     0 30496    17618    12677      31       3        0          1000 syz-executor5
[30540]     0 30540    17618     8234      25       4        0          1000 syz-executor1
[30554]     0 30554    17618     8234      25       4        0          1000 syz-executor1
[30563]     0 30563    17618    12677      31       3        0          1000 syz-executor5
[30583]     0 30583    17618     8234      25       4        0          1000 syz-executor1
[30593]     0 30593    17618     8234      25       4        0          1000 syz-executor1
[30605]     0 30605    17618     8234      25       4        0          1000 syz-executor1
[30617]     0 30617    17618     8234      25       4        0          1000 syz-executor1
[30629]     0 30629    17618    12677      31       3        0          1000 syz-executor5
[30655]     0 30655    17618     8234      25       4        0          1000 syz-executor1
[30665]     0 30665    17618     8234      25       4        0          1000 syz-executor1
[30673]     0 30673    17618     8234      25       4        0          1000 syz-executor1
[30686]     0 30686    17618     8234      25       4        0          1000 syz-executor1
[30693]     0 30693    17618    12677      31       3        0          1000 syz-executor5
[30710]     0 30710    17618     8234      25       4        0          1000 syz-executor1
[30727]     0 30727    17618     8234      25       4        0          1000 syz-executor1
[30738]     0 30738    17618     8234      25       4        0          1000 syz-executor1
[30748]     0 30748    17618    12677      31       3        0          1000 syz-executor5
[30777]     0 30777    17618    12677      31       3        0          1000 syz-executor5
[30794]     0 30794    17585     8200      24       3        0          1000 syz-executor1
[30842]     0 30842    17618     8234      25       4        0          1000 syz-executor1
[30860]     0 30860    17618    12677      31       3        0          1000 syz-executor5
[30864]  3327 30864    17651     8208      28       3        0          1000 syz-executor0
[30883]     0 30883    17618     8234      25       4        0          1000 syz-executor1
[30902]     0 30902    17651     8235      25       4        0          1000 syz-executor1
[30914]     0 30914    17585     8200      24       3        0          1000 syz-executor1
[30916]     0 30916    17618     8203      24       3        0          1000 syz-executor1
[30919]     0 30919    17618    12677      31       3        0          1000 syz-executor5
[30944]     0 30944    17618     8234      25       4        0          1000 syz-executor1
[30958]     0 30958    17618     8234      25       4        0          1000 syz-executor1
[30978]     0 30978    17618     8234      25       4        0          1000 syz-executor1
[30988]     0 30988    17618    12677      31       3        0          1000 syz-executor5
[31004]     0 31004    17618     8234      25       4        0          1000 syz-executor1
[31022]     0 31022    17618     8234      25       4        0          1000 syz-executor1
[31039]     0 31039    17618    12677      31       3        0          1000 syz-executor5
[31060]     0 31060    17618     8234      25       4        0          1000 syz-executor1
[31090]     0 31090    17618    12677      31       3        0          1000 syz-executor5
[31115]     0 31115    17618    12677      31       3        0          1000 syz-executor5
[31130]     0 31130    17618     8234      25       4        0          1000 syz-executor1
[31148]     0 31148    17618     8234      25       4        0          1000 syz-executor1
[31177]     0 31177    17618    12677      31       3        0          1000 syz-executor5
[31268]     0 31268    17618    12677      31       3        0          1000 syz-executor5
[31272]     0 31272    17585     8200      24       3        0          1000 syz-executor1
[31296]     0 31296    17618     8234      25       4        0          1000 syz-executor1
[31312]     0 31312    17618     8233      25       4        0          1000 syz-executor1
[31327]     0 31327    17618     8234      25       4        0          1000 syz-executor1
[31338]     0 31338    17618    12677      31       3        0          1000 syz-executor5
[31387]     0 31387    17816     8253      32       4        0             0 syz-executor4
[31388]     0 31388    17618     8235      25       4        0          1000 syz-executor1
[31394]     0 31394    17618    12677      31       3        0          1000 syz-executor5
[31408]     0 31408    17585     8199      24       3        0          1000 syz-executor1
[31416]     0 31416    17651     8203      24       3        0          1000 syz-executor1
[31457]     0 31457    17618     8234      25       4        0          1000 syz-executor1
[31470]     0 31470    17618    12677      31       3        0          1000 syz-executor5
[31481]     0 31481    17618     8233      25       4        0          1000 syz-executor1
[31520]     0 31520    17618     8234      25       4        0          1000 syz-executor1
[31523]     0 31523    17618    12677      31       3        0          1000 syz-executor5
[31547]     0 31547    17618     8233      25       4        0          1000 syz-executor1
[31559]     0 31559    17618     8234      25       4        0          1000 syz-executor1
[31581]     0 31581    17618     8234      25       4        0          1000 syz-executor1
[31607]     0 31607    17618     8234      25       4        0          1000 syz-executor1
[31617]     0 31617    17618     8234      25       4        0          1000 syz-executor1
[31622]     0 31622    17618    12677      31       3        0          1000 syz-executor5
[31663]     0 31663    17618    12677      31       3        0          1000 syz-executor5
[31709]     0 31709    17618     8234      25       4        0          1000 syz-executor1
[31715]     0 31715    17618    12677      31       3        0          1000 syz-executor5
[31725]     0 31725    17618     8234      25       4        0          1000 syz-executor1
[31726]     0 31726    17618     8237      25       4        0             0 syz-executor4
[31754]     0 31754    17585     8230      24       4        0          1000 syz-executor1
[31756]     0 31756    17585     8193      23       3        0             0 syz-executor4
[31764]     0 31764    17585     8202      24       3        0             0 syz-executor4
[31785]     0 31785    17618    12677      31       3        0          1000 syz-executor5
[31820]     0 31820    17585     8198      24       3        0          1000 syz-executor3
[31833]     0 31833    17618    12677      31       3        0          1000 syz-executor5
[31860]     0 31860    17684     8204      25       3        0          1000 syz-executor3
[31918]     0 31918    17618     8233      25       4        0          1000 syz-executor1
[31921]     0 31921    17618    12677      31       3        0          1000 syz-executor5
[31932]     0 31932    17651     8238      26       4        0          1000 syz-executor2
[31945]     0 31945    17618    12677      31       3        0          1000 syz-executor5
[31954]     0 31954    17750     9285      26       3        0          1000 syz-executor0
[31983]     0 31983    17618     8205      24       3        0             0 syz-executor4
[31993]     0 31993    17618    12677      31       3        0          1000 syz-executor5
[31994]     0 31994    17651     8207      24       3        0             0 syz-executor4
[32050]     0 32050    17585     8233      26       4        0          1000 syz-executor2
[32061]     0 32061    17618    12677      31       3        0          1000 syz-executor5
[32079]     0 32079    17618     8237      27       4        0          1000 syz-executor2
[32124]     0 32124    17618    12677      31       3        0          1000 syz-executor5
[32154]     0 32154    17618     8238      26       4        0             0 syz-executor4
[32157]     0 32157    17618     8233      25       4        0          1000 syz-executor3
[32161]     0 32161    17585     8199      24       3        0          1000 syz-executor3
[32187]     0 32187    17816     8247      32       4        0          1000 syz-executor3
[32198]     0 32198    17618    12677      31       3        0          1000 syz-executor5
[32205]     0 32205    17684     8221      25       4        0          1000 syz-executor1
[32210]     0 32210    17684     8221      25       4        0          1000 syz-executor1
[32295]     0 32295    17618    12677      31       3        0          1000 syz-executor5
[32322]     0 32322    17618    12677      31       3        0          1000 syz-executor5
[32390]     0 32390    17618    12677      31       3        0          1000 syz-executor1
[32392]     0 32392    17618    12677      31       3        0          1000 syz-executor5
[32435]     0 32435    17651     8234      25       4        0          1000 syz-executor3
[32449]     0 32449    17618    12677      31       3        0          1000 syz-executor5
[32479]     0 32479    17618     8236      25       4        0             0 syz-executor4
[32517]     0 32517    17618    12677      31       3        0          1000 syz-executor5
[32556]     0 32556    17585     8191      24       3        0          1000 syz-executor2
[32559]     0 32559    17585     8200      25       3        0          1000 syz-executor2
[32573]     0 32573    17618    12677      31       3        0          1000 syz-executor5
[32593]     0 32593    17618     8234      26       4        0          1000 syz-executor2
[32628]     0 32628    17618    12677      31       3        0          1000 syz-executor5
[32681]     0 32681    17618    12677      31       3        0          1000 syz-executor5
[32720]     0 32720    17618    12677      31       3        0          1000 syz-executor5
[  316]     0   316    17618    12677      31       3        0          1000 syz-executor5
[  396]     0   396    17618    12677      31       3        0          1000 syz-executor5
[  454]     0   454    17618    12677      31       3        0          1000 syz-executor5
[  506]     0   506    17618    12677      31       3        0          1000 syz-executor5
[  579]     0   579    17618    12677      31       3        0          1000 syz-executor5
[  600]     0   600    17651     8235      25       4        0          1000 syz-executor3
[  602]     0   602    17585     8199      24       3        0          1000 syz-executor3
[  634]     0   634    17618    12677      31       3        0          1000 syz-executor5
[  685]     0   685    17618    12677      31       3        0          1000 syz-executor5
[  733]     0   733    17618    12677      31       3        0          1000 syz-executor5
[  758]     0   758    17618    12677      31       3        0          1000 syz-executor5
[  768]     0   768    17618     8237      25       4        0          1000 syz-executor1
[  786]     0   786    17618     8232      25       4        0          1000 syz-executor3
[  790]     0   790    17618     8232      25       4        0          1000 syz-executor3
[  812]     0   812    17618    12677      31       3        0          1000 syz-executor5
[  851]     0   851    17651     8239      26       4        0          1000 syz-executor2
[  905]     0   905    17618     8238      26       4        0          1000 syz-executor2
[  908]     0   908    17618    12677      31       3        0          1000 syz-executor5
[  961]     0   961    17618    12677      31       3        0          1000 syz-executor5
[ 1013]     0  1013    17618    12677      31       3        0          1000 syz-executor5
[ 1067]     0  1067    17618    12677      31       3        0          1000 syz-executor5
[ 1088]     0  1088    17585     8199      24       3        0          1000 syz-executor3
[ 1090]     0  1090    17585     8231      25       4        0          1000 syz-executor3
[ 1129]     0  1129    17618    12677      31       3        0          1000 syz-executor5
[ 1194]     0  1194    17618    12677      31       3        0          1000 syz-executor5
[ 1245]     0  1245    17618    12677      31       3        0          1000 syz-executor5
[ 1271]     0  1271    17585     8230      25       4        0          1000 syz-executor3
[ 1280]     0  1280    17618     8233      26       4        0          1000 syz-executor3
[ 1316]     0  1316    17618    12677      31       3        0          1000 syz-executor5
[ 1368]     0  1368    17618    12677      31       3        0          1000 syz-executor5
[ 1417]     0  1417    17651     8236      25       4        0          1000 syz-executor1
[ 1430]     0  1430    17618    12677      31       3        0          1000 syz-executor5
[ 1456]     0  1456    17717     8242      25       4        0             0 syz-executor4
[ 1493]     0  1493    17618    12677      31       3        0          1000 syz-executor5
[ 1574]     0  1574    17618    12677      31       3        0          1000 syz-executor5
[ 1598]     0  1598    17618    12677      31       3        0          1000 syz-executor5
[ 1686]     0  1686    17651     8234      25       4        0          1000 syz-executor3
[ 1707]     0  1707    17618    12677      31       3        0          1000 syz-executor5
[ 1764]     0  1764    17618    12677      31       3        0          1000 syz-executor5
[ 1866]     0  1866    17618    12677      31       3        0          1000 syz-executor5
[ 1899]     0  1899    17651     8234      25       4        0          1000 syz-executor1
[ 1907]     0  1907    17618    12677      31       3        0          1000 syz-executor5
[ 1908]     0  1908    17585     8232      24       3        0          1000 syz-executor2
[ 1918]     0  1918    17651     8239      28       3        0          1000 syz-executor2
[ 1937]     0  1937    17585     8232      24       3        0          1000 syz-executor2
[ 1964]     0  1964    17585     8232      24       3        0          1000 syz-executor2
[ 1979]     0  1979    17585     8232      24       3        0          1000 syz-executor2
[ 1983]     0  1983    17618    12677      31       3        0          1000 syz-executor5
[ 2008]     0  2008    17718     8241      26       4        0          1000 syz-executor1
[ 2057]     0  2057    17618    12677      31       3        0          1000 syz-executor5
[ 2183]     0  2183    17783     8247      31       4        0             0 syz-executor4
[ 2199]     0  2199    17618    12677      31       3        0          1000 syz-executor5
[ 2234]     0  2234    17585     8198      24       3        0          1000 syz-executor3
[ 2248]     0  2248    17717     8206      27       3        0          1000 syz-executor3
[ 2345]     0  2345    17585     8231      26       4        0          1000 syz-executor1
[ 2435]     0  2435    17618     8235      25       4        0          1000 syz-executor1
[ 2452]     0  2452    17684     8241      27       4        0          1000 syz-executor2
[ 2535]     0  2535    17585     8193      23       3        0             0 syz-executor4
[ 2536]     0  2536    17618     8204      24       3        0             0 syz-executor4
[ 2556]     0  2556    17618    12707      31       3        0          1000 syz-executor5
[ 2575]     0  2575    17651     8237      26       4        0          1000 syz-executor2
[ 2625]     0  2625    17585     8199      24       3        0          1000 syz-executor1
[ 2898]     0  2898    17618     8238      26       4        0             0 syz-executor4
[ 3022]     0  3022    17585     8203      24       3        0             0 syz-executor4
[ 3052]     0  3052    17783     8216      24       3        0             0 syz-executor4
[ 3085]     0  3085    17651     8235      25       4        0          1000 syz-executor3
[ 3222]     0  3222    17618     8237      27       4        0          1000 syz-executor2
[ 3227]     0  3227    17618     8237      27       4        0          1000 syz-executor2
[ 3246]     0  3246    17651     8237      26       4        0          1000 syz-executor2
[ 3249]     0  3249    17651     8237      25       3        0          1000 syz-executor2
[ 3263]     0  3263    17651     8237      26       4        0          1000 syz-executor2
[ 3264]     0  3264    17651     8237      25       3        0          1000 syz-executor2
[ 3532]     0  3532    17618     8233      26       4        0          1000 syz-executor3
[ 3637]     0  3637    17651     8240      25       4        0             0 syz-executor4
[ 3641]     0  3641    17583     8230      25       4        0          1000 syz-executor1
[ 3792]     0  3792    17618    12677      31       3        0          1000 syz-executor5
[ 3864]     0  3864    17618    12677      31       3        0          1000 syz-executor5
[ 4057]     0  4057    17585     8200      25       3        0          1000 syz-executor0
[ 4062]     0  4062    17618     8202      25       3        0          1000 syz-executor0
[ 4256]     0  4256    17585     8203      24       3        0             0 syz-executor4
[ 4279]     0  4279    17684     8796      25       3        0             0 syz-executor4
[ 4321]     0  4321    17585     8200      25       3        0          1000 syz-executor1
[ 4343]     0  4343    17684     8206      25       3        0          1000 syz-executor1
[ 4394]     0  4394    17684     8237      27       4        0          1000 syz-executor3
[ 4495]     0  4495    17618    12707      31       3        0          1000 syz-executor5
[ 4723]     0  4723    17618     8238      26       4        0             0 syz-executor4
[ 4725]     0  4725    17618     8238      26       4        0             0 syz-executor4
[ 4786]     0  4786    17618     8232      25       4        0          1000 syz-executor3
[ 4794]     0  4794    17618     8232      25       4        0          1000 syz-executor3
[ 4830]     0  4830    17651     8236      26       4        0          1000 syz-executor0
[ 4846]     0  4846    17618     8239      26       4        0          1000 syz-executor2
[ 4861]     0  4861    17585     8233      26       4        0          1000 syz-executor2
[ 4899]     0  4899    17618     8236      26       3        0          1000 syz-executor2
[ 4903]     0  4903    17651     8238      26       3        0          1000 syz-executor2
[ 4928]     0  4928    17585     8234      26       3        0          1000 syz-executor2
[ 5160]     0  5160    17585     8199      24       3        0          1000 syz-executor1
[ 5180]     0  5180    17618     8207      25       3        0             0 syz-executor4
[ 5226]     0  5226    17585     8234      25       3        0          1000 syz-executor2
[ 5232]     0  5232    17618     8236      25       3        0          1000 syz-executor2
[ 5396]     0  5396    17618     8206      25       3        0             0 syz-executor4
[ 5422]     0  5422    17684     8205      25       3        0          1000 syz-executor3
[ 5655]     0  5655    17618     8206      25       3        0             0 syz-executor4
[ 5806]     0  5806    17618     8206      25       3        0             0 syz-executor4
[ 5834]     0  5834    17585     8204      25       3        0             0 syz-executor4
[ 5848]     0  5848    17618     8232      25       4        0          1000 syz-executor3
[ 5915]     0  5915    17618     8203      24       3        0          1000 syz-executor1
[ 5930]     0  5930    17684     8207      24       3        0          1000 syz-executor1
[ 5981]     0  5981    17651     8235      25       4        0          1000 syz-executor1
[ 6001]     0  6001    17618     8235      27       4        0          1000 syz-executor3
[ 6007]     0  6007    17618     8206      25       3        0             0 syz-executor4
[ 6069]     0  6069    17684     8240      27       4        0          1000 syz-executor3
[ 6199]     0  6199    17585     8202      25       3        0          1000 syz-executor1
[ 6204]     0  6204    17651     8208      25       3        0          1000 syz-executor1
[ 6282]     0  6282    17618     8206      25       3        0             0 syz-executor4
[ 6327]     0  6327    17618     8206      25       3        0             0 syz-executor4
[ 6369]     0  6369    17618     8206      25       3        0             0 syz-executor4
[ 6437]     0  6437    17618     8206      25       3        0             0 syz-executor4
[ 6496]     0  6496    17585     8204      25       3        0             0 syz-executor4
[ 6561]     0  6561    17618     8206      25       3        0             0 syz-executor4
[ 6597]     0  6597    17618     8206      25       3        0             0 syz-executor4
[ 6680]     0  6680    17585     8204      25       3        0          1000 syz-executor5
[ 6684]     0  6684    17585     8207      25       3        0             0 syz-executor4
[ 6724]     0  6724    17618     8208      25       3        0             0 syz-executor4
[ 6734]     0  6734    17585     8192      23       3        0          1000 syz-executor1
[ 6905]     0  6905    17618     8208      25       3        0             0 syz-executor4
[ 6906]     0  6906    17651     8240      25       4        0          1000 syz-executor1
[ 6936]     0  6936    17618    12679      31       3        0          1000 syz-executor5
[ 6947]     0  6947    17680    12679      31       3        0          1000 syz-executor5
[ 7103]     0  7103    17651     8240      25       4        0          1000 syz-executor1
[ 7129]     0  7129    17618     8208      25       3        0             0 syz-executor4
[ 7141]     0  7141    17618     8241      26       4        0          1000 syz-executor1
[ 7314]     0  7314    17618     8208      25       3        0             0 syz-executor4
[ 7366]     0  7366    17618     8208      25       3        0             0 syz-executor4
[ 7378]     0  7378    17618     8240      25       4        0          1000 syz-executor1
[ 7382]     0  7382    17618     8240      25       4        0          1000 syz-executor1
[ 7418]     0  7418    17618     8208      25       3        0             0 syz-executor4
[ 7459]     0  7459    17618     8208      25       3        0             0 syz-executor4
[ 7602]     0  7602    17618     8208      25       3        0             0 syz-executor4
[ 7661]     0  7661    17618     8208      25       3        0             0 syz-executor4
[ 7681]     0  7681    17618    12679      31       3        0          1000 syz-executor5
[ 8195]     0  8195    17651     8242      26       4        0          1000 syz-executor0
[ 8196]     0  8196    17651     8242      26       4        0          1000 syz-executor0
[ 8307]     0  8307     5384      187      14       3        0         -1000 udevd
[ 8465]     0  8465    17618     8211      25       3        0             0 syz-executor4
[ 8544]     0  8544    17618     8211      25       3        0             0 syz-executor4
[ 8573]     0  8573    17618     8208      25       3        0          1000 syz-executor5
[ 8577]     0  8577    17585     8209      25       3        0             0 syz-executor4
[ 8685]     0  8685     5384      187      14       3        0         -1000 udevd
[ 8755]     0  8755    17651     8383      26       4        0          1000 syz-executor0
[ 8815]     0  8815    17585     8217      25       3        0          1000 syz-executor0
[ 8816]     0  8816    17618     8223      25       3        0             0 syz-executor4
[ 8818]     0  8818    17618     8219      25       3        0          1000 syz-executor0
[ 8940]     0  8940    17585     8373      25       4        0          1000 syz-executor1
[ 9005]     0  9005    17618     8375      25       4        0          1000 syz-executor1
[ 9257]     0  9257    17618     8412      26       4        0          1000 syz-executor0
[ 9279]     0  9279    17713    17687      40       4        0             0 syz-executor4
[ 9299]     0  9299    17783     8396      33       4        0          1000 syz-executor0
[ 9318]     0  9318      101        1       5       3        0             0 modprobe
[ 9319]     0  9319     1576       20       9       3        0             0 modprobe
[ 9320]     0  9320     1539       12       6       3        0             0 modprobe
[ 9321]     0  9321     1576       20       9       3        0             0 modprobe
[ 9325]     0  9325     1576       21       9       3        0             0 modprobe
[ 9326]     0  9326     1576       20       9       3        0             0 modprobe
[ 9328]     0  9328      635        9       6       3        0             0 modprobe
[ 9329]     0  9329     1576       20       9       3        0             0 modprobe
[ 9331]     0  9331     1576       21       8       3        0             0 modprobe
[ 9334]     0  9334     1547       12       8       3        0             0 modprobe
[ 9335]     0  9335     1547       13       7       3        0             0 modprobe
[ 9337]     0  9337     1576       21       9       3        0             0 modprobe
CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 alloc_slab_page mm/slub.c:1437 [inline]
 allocate_slab mm/slub.c:1588 [inline]
 new_slab+0x3c0/0x470 mm/slub.c:1651
 new_slab_objects mm/slub.c:2434 [inline]
 ___slab_alloc.constprop.35+0x2e2/0x480 mm/slub.c:2586
 __slab_alloc.isra.26.constprop.34+0x4b/0x90 mm/slub.c:2626
 slab_alloc_node mm/slub.c:2689 [inline]
 slab_alloc mm/slub.c:2731 [inline]
 kmem_cache_alloc+0x19e/0x2b0 mm/slub.c:2736
 getname_flags+0xc4/0x540 fs/namei.c:138
 user_path_at_empty+0x28/0x80 fs/namei.c:2652
 user_path_at include/linux/namei.h:57 [inline]
 SYSC_faccessat fs/open.c:394 [inline]
 SyS_faccessat+0x20d/0x660 fs/open.c:362
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7fd4ad02d267
RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267
RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6
RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8
R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570
Out of memory: Kill process 10425 (syz-executor1) score 1007 or sacrifice child
Killed process 10425 (syz-executor1) total-vm:70720kB, anon-rss:18312kB, file-rss:32640kB, shmem-rss:0kB
CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 alloc_slab_page mm/slub.c:1437 [inline]
 allocate_slab mm/slub.c:1588 [inline]
 new_slab+0x3c0/0x470 mm/slub.c:1651
 new_slab_objects mm/slub.c:2434 [inline]
 ___slab_alloc.constprop.35+0x2e2/0x480 mm/slub.c:2586
 __slab_alloc.isra.26.constprop.34+0x4b/0x90 mm/slub.c:2626
 slab_alloc_node mm/slub.c:2689 [inline]
 slab_alloc mm/slub.c:2731 [inline]
 kmem_cache_alloc+0x19e/0x2b0 mm/slub.c:2736
 getname_flags+0xc4/0x540 fs/namei.c:138
 user_path_at_empty+0x28/0x80 fs/namei.c:2652
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xe1/0x180 fs/stat.c:185
 vfs_fstatat include/linux/fs.h:3088 [inline]
 SYSC_newfstatat fs/stat.c:364 [inline]
 SyS_newfstatat+0x89/0x100 fs/stat.c:358
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7fe72a00be1a
RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a
RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000
RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40
R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680
CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 alloc_slab_page mm/slub.c:1437 [inline]
 allocate_slab mm/slub.c:1588 [inline]
 new_slab+0x3c0/0x470 mm/slub.c:1651
 new_slab_objects mm/slub.c:2434 [inline]
 ___slab_alloc.constprop.35+0x2e2/0x480 mm/slub.c:2586
 __slab_alloc.isra.26.constprop.34+0x4b/0x90 mm/slub.c:2626
 slab_alloc_node mm/slub.c:2689 [inline]
 slab_alloc mm/slub.c:2731 [inline]
 kmem_cache_alloc+0x19e/0x2b0 mm/slub.c:2736
 getname_flags+0xc4/0x540 fs/namei.c:138
 user_path_at_empty+0x28/0x80 fs/namei.c:2652
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xe1/0x180 fs/stat.c:185
 vfs_stat include/linux/fs.h:3077 [inline]
 SYSC_newstat fs/stat.c:337 [inline]
 SyS_newstat+0x81/0xf0 fs/stat.c:333
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7ff6b2c93c65
RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65
RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481
RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070
R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160
R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680
CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 alloc_slab_page mm/slub.c:1437 [inline]
 allocate_slab mm/slub.c:1588 [inline]
 new_slab+0x3c0/0x470 mm/slub.c:1651
 new_slab_objects mm/slub.c:2434 [inline]
 ___slab_alloc.constprop.35+0x2e2/0x480 mm/slub.c:2586
 __slab_alloc.isra.26.constprop.34+0x4b/0x90 mm/slub.c:2626
 slab_alloc_node mm/slub.c:2689 [inline]
 slab_alloc mm/slub.c:2731 [inline]
 kmem_cache_alloc+0x19e/0x2b0 mm/slub.c:2736
 getname_flags+0xc4/0x540 fs/namei.c:138
 user_path_at_empty+0x28/0x80 fs/namei.c:2652
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xe1/0x180 fs/stat.c:185
 vfs_fstatat include/linux/fs.h:3088 [inline]
 SYSC_newfstatat fs/stat.c:364 [inline]
 SyS_newfstatat+0x89/0x100 fs/stat.c:358
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7afb061e1a
RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a
RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000
RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0
R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680
CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: 0020:0x13
RSP: 0001:000000c420031f38 EFLAGS: 00000001
CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 alloc_slab_page mm/slub.c:1437 [inline]
 allocate_slab mm/slub.c:1588 [inline]
 new_slab+0x3c0/0x470 mm/slub.c:1651
 new_slab_objects mm/slub.c:2434 [inline]
 ___slab_alloc.constprop.35+0x2e2/0x480 mm/slub.c:2586
 __slab_alloc.isra.26.constprop.34+0x4b/0x90 mm/slub.c:2626
 slab_alloc_node mm/slub.c:2689 [inline]
 slab_alloc mm/slub.c:2731 [inline]
 kmem_cache_alloc+0x19e/0x2b0 mm/slub.c:2736
 getname_flags+0xc4/0x540 fs/namei.c:138
 user_path_at_empty+0x28/0x80 fs/namei.c:2652
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xe1/0x180 fs/stat.c:185
 vfs_stat include/linux/fs.h:3077 [inline]
 SYSC_newstat fs/stat.c:337 [inline]
 SyS_newstat+0x81/0xf0 fs/stat.c:333
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f810d837c65
RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65
RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471
RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: 0000:0x5
RSP: 867fa0:0000000000868140 EFLAGS: 008cc950
CPU: 1 PID: 1628 Comm: rsyslogd Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 warn_alloc.cold.35+0x9d/0x1b7 mm/page_alloc.c:3260
 __alloc_pages_slowpath mm/page_alloc.c:4000 [inline]
 __alloc_pages_nodemask+0x1425/0x2280 mm/page_alloc.c:4220
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: 95b5b5a3:0xdb
RSP: 94325d10:00007f1694325d00 EFLAGS: 00000001
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
315641 pages reserved
oom_reaper: reaped process 10425 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
lowmem_reserve[]: 0 0 0
DMA32: 140*4kB (UMH) 265*8kB (UMH) 917*16kB (UEH) 70*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19848kB
Normal: 915*4kB (UMEH) 88*8kB (UMEH) 112*16kB (UMEH) 50*32kB (UMEH) 21*64kB (ME) 13*128kB (ME) 12*256kB (ME) 8*512kB (ME) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 23052kB
10243 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
315641 pages reserved
Node 0 active_anon:448340kB inactive_anon:5297624kB active_file:13852kB inactive_file:4328kB unevictable:37948kB isolated(anon):0kB isolated(file):128kB mapped:225632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:19756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2810928kB active_file:4100kB inactive_file:584kB unevictable:13704kB writepending:0kB present:3145324kB managed:3012120kB mlocked:13740kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:664kB local_pcp:664kB free_cma:0kB
lowmem_reserve[]: 0 3505 3505
Normal free:22664kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2486696kB active_file:9268kB inactive_file:4192kB unevictable:24544kB writepending:0kB present:4718592kB managed:3589232kB mlocked:24204kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:712kB local_pcp:712kB free_cma:0kB
lowmem_reserve[]: 0 0 0
DMA32: 140*4kB (UMH) 265*8kB (UMH) 917*16kB (UEH) 70*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19848kB
Normal: 915*4kB (UMEH) 88*8kB (UMEH) 112*16kB (UMEH) 51*32kB (UMEH) 21*64kB (ME) 13*128kB (ME) 12*256kB (ME) 8*512kB (ME) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 23084kB
10243 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
315641 pages reserved
warn_alloc_show_mem: 8 callbacks suppressed
Mem-Info:
active_anon:112083 inactive_anon:1319884 isolated_anon:0
 active_file:3594 inactive_file:1008 isolated_file:32
 unevictable:9362 dirty:0 writeback:0 unstable:0
 slab_reclaimable:6530 slab_unreclaimable:69179
 mapped:54054 shmem:851 pagetables:22341 bounce:0
 free:15327 free_pcp:339 free_cma:0
Node 0 active_anon:448332kB inactive_anon:5279536kB active_file:14376kB inactive_file:4032kB unevictable:37448kB isolated(anon):0kB isolated(file):128kB mapped:216216kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:33892kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:4348kB inactive_file:188kB unevictable:13692kB writepending:0kB present:3145324kB managed:3012120kB mlocked:13444kB kernel_stack:13408kB pagetables:35888kB bounce:0kB free_pcp:640kB local_pcp:640kB free_cma:0kB
lowmem_reserve[]: 0 3505 3505
Normal free:27416kB min:5588kB low:9176kB high:12764kB active_anon:418044kB inactive_anon:2482364kB active_file:10028kB inactive_file:3844kB unevictable:23756kB writepending:0kB present:4718592kB managed:3589232kB mlocked:23700kB kernel_stack:16160kB pagetables:53476kB bounce:0kB free_pcp:716kB local_pcp:716kB free_cma:0kB
lowmem_reserve[]: 0 0 0
DMA32: 1261*4kB (UMH) 756*8kB (UMH) 1115*16kB (UMEH) 125*32kB (UMEH) 11*64kB (UM) 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33892kB
Normal: 1726*4kB (UMEH) 126*8kB (UMEH) 113*16kB (UMEH) 53*32kB (UMEH) 20*64kB (ME) 13*128kB (ME) 15*256kB (ME) 8*512kB (ME) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 27416kB
10191 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
315641 pages reserved
NMI backtrace for cpu 0
CPU: 0 PID: 25 Comm: writeback Not tainted 4.14.87+ #21
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
 rcu_dump_cpu_stacks+0x171/0x1bf kernel/rcu/tree.c:1396
 print_other_cpu_stall kernel/rcu/tree.c:1485 [inline]
 check_cpu_stall kernel/rcu/tree.c:1616 [inline]
 __rcu_pending kernel/rcu/tree.c:3382 [inline]
 rcu_pending kernel/rcu/tree.c:3444 [inline]
 rcu_check_callbacks.cold.56+0x7a5/0xd99 kernel/rcu/tree.c:2784
 update_process_times+0x24/0x60 kernel/time/timer.c:1588
 tick_sched_handle.isra.8+0x73/0x150 kernel/time/tick-sched.c:161
 tick_sched_timer+0x7e/0x160 kernel/time/tick-sched.c:1321
 __run_hrtimer kernel/time/hrtimer.c:1259 [inline]
 __hrtimer_run_queues+0x2d0/0xc10 kernel/time/hrtimer.c:1323
 hrtimer_interrupt+0x19a/0x440 kernel/time/hrtimer.c:1357
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 smp_apic_timer_interrupt+0x13a/0x600 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0x84/0x90 arch/x86/entry/entry_64.S:787
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline]
RIP: 0010:lock_acquire+0x15c/0x380 kernel/locking/lockdep.c:3994
RSP: 0018:ffff8881da137b88 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000007 RBX: 0000000000000246 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8881da128830 RDI: 0000000000000246
RBP: ffff8881da128000 R08: 00000000000031b2 R09: ffffffff8cae5570
R10: ffff8881da128830 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
 __mutex_lock_common kernel/locking/mutex.c:756 [inline]
 __mutex_lock+0xf5/0x1480 kernel/locking/mutex.c:893
 worker_detach_from_pool+0x32/0x2a0 kernel/workqueue.c:1731
 rescuer_thread+0x64b/0xd10 kernel/workqueue.c:2392
 kthread+0x348/0x420 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/12 17:22 android-4.14 e525d2cfbe65 c3b10a5d .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.