Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. 2021/02/04 05:22:59 fuzzer started 2021/02/04 05:23:04 dialing manager at 10.128.15.235:2224 2021/02/04 05:23:04 syscalls: 383 2021/02/04 05:23:04 code coverage: enabled 2021/02/04 05:23:04 comparison tracing: enabled 2021/02/04 05:23:04 extra coverage: enabled 2021/02/04 05:23:04 setuid sandbox: enabled 2021/02/04 05:23:04 namespace sandbox: support is not implemented in syzkaller 2021/02/04 05:23:04 Android sandbox: support is not implemented in syzkaller 2021/02/04 05:23:04 fault injection: support is not implemented in syzkaller 2021/02/04 05:23:04 leak checking: support is not implemented in syzkaller 2021/02/04 05:23:04 net packet injection: enabled 2021/02/04 05:23:04 net device setup: support is not implemented in syzkaller 2021/02/04 05:23:04 concurrency sanitizer: support is not implemented in syzkaller 2021/02/04 05:23:04 devlink PCI setup: support is not implemented in syzkaller 2021/02/04 05:23:04 USB emulation: support is not implemented in syzkaller 2021/02/04 05:23:04 hci packet injection: support is not implemented in syzkaller 2021/02/04 05:23:04 wifi device emulation: support is not implemented in syzkaller 2021/02/04 05:23:04 fetching corpus: 0, signal 0/2000 (executing program) 2021/02/04 05:23:04 fetching corpus: 50, signal 10864/14734 (executing program) 2021/02/04 05:23:04 fetching corpus: 100, signal 18181/23876 (executing program) 2021/02/04 05:23:04 fetching corpus: 150, signal 22508/29975 (executing program) 2021/02/04 05:23:05 fetching corpus: 200, signal 28987/38106 (executing program) 2021/02/04 05:23:05 fetching corpus: 250, signal 32614/43387 (executing program) 2021/02/04 05:23:05 fetching corpus: 300, signal 39693/51924 (executing program) 2021/02/04 05:23:05 fetching corpus: 350, signal 44304/58055 (executing program) 2021/02/04 05:23:05 fetching corpus: 400, signal 48387/63617 (executing program) 2021/02/04 05:23:05 fetching corpus: 450, signal 51067/67855 (executing program) 2021/02/04 05:23:05 fetching corpus: 500, signal 52528/70875 (executing program) 2021/02/04 05:23:05 fetching corpus: 550, signal 55780/75532 (executing program) 2021/02/04 05:23:05 fetching corpus: 600, signal 61988/82871 (executing program) 2021/02/04 05:23:05 fetching corpus: 650, signal 65023/87222 (executing program) 2021/02/04 05:23:05 fetching corpus: 700, signal 68807/92234 (executing program) 2021/02/04 05:23:05 fetching corpus: 750, signal 72574/97161 (executing program) 2021/02/04 05:23:05 fetching corpus: 800, signal 73602/99648 (executing program) 2021/02/04 05:23:06 fetching corpus: 850, signal 78509/105490 (executing program) 2021/02/04 05:23:06 fetching corpus: 900, signal 79577/107919 (executing program) 2021/02/04 05:23:06 fetching corpus: 950, signal 82064/111588 (executing program) 2021/02/04 05:23:06 fetching corpus: 1000, signal 87247/117497 (executing program) 2021/02/04 05:23:06 fetching corpus: 1050, signal 88476/119991 (executing program) 2021/02/04 05:23:06 fetching corpus: 1100, signal 91003/123744 (executing program) 2021/02/04 05:23:06 fetching corpus: 1150, signal 92275/126255 (executing program) 2021/02/04 05:23:06 fetching corpus: 1200, signal 96760/131447 (executing program) 2021/02/04 05:23:06 fetching corpus: 1250, signal 97895/133751 (executing program) 2021/02/04 05:23:06 fetching corpus: 1300, signal 99680/136655 (executing program) 2021/02/04 05:23:06 fetching corpus: 1350, signal 103943/141489 (executing program) 2021/02/04 05:23:07 fetching corpus: 1400, signal 104819/143518 (executing program) 2021/02/04 05:23:07 fetching corpus: 1450, signal 106547/146248 (executing program) 2021/02/04 05:23:07 fetching corpus: 1500, signal 107878/148614 (executing program) 2021/02/04 05:23:07 fetching corpus: 1550, signal 109293/151064 (executing program) 2021/02/04 05:23:07 fetching corpus: 1600, signal 110445/153290 (executing program) 2021/02/04 05:23:07 fetching corpus: 1650, signal 113781/157124 (executing program) 2021/02/04 05:23:07 fetching corpus: 1700, signal 116334/160319 (executing program) 2021/02/04 05:23:07 fetching corpus: 1750, signal 120010/164386 (executing program) 2021/02/04 05:23:08 fetching corpus: 1800, signal 120751/166171 (executing program) 2021/02/04 05:23:09 fetching corpus: 1850, signal 121615/168018 (executing program) 2021/02/04 05:23:09 fetching corpus: 1900, signal 124109/171146 (executing program) 2021/02/04 05:23:09 fetching corpus: 1950, signal 124843/172894 (executing program) 2021/02/04 05:23:09 fetching corpus: 2000, signal 126580/175416 (executing program) 2021/02/04 05:23:10 fetching corpus: 2050, signal 128488/177983 (executing program) 2021/02/04 05:23:10 fetching corpus: 2100, signal 129356/179822 (executing program) 2021/02/04 05:23:10 fetching corpus: 2150, signal 130937/182104 (executing program) 2021/02/04 05:23:10 fetching corpus: 2200, signal 131556/183671 (executing program) 2021/02/04 05:23:10 fetching corpus: 2250, signal 132504/185464 (executing program) 2021/02/04 05:23:10 fetching corpus: 2300, signal 134966/188325 (executing program) 2021/02/04 05:23:10 fetching corpus: 2350, signal 135573/189917 (executing program) 2021/02/04 05:23:10 fetching corpus: 2400, signal 136019/191397 (executing program) 2021/02/04 05:23:11 fetching corpus: 2450, signal 137749/193694 (executing program) 2021/02/04 05:23:11 fetching corpus: 2500, signal 139559/196004 (executing program) 2021/02/04 05:23:11 fetching corpus: 2550, signal 140885/197972 (executing program) 2021/02/04 05:23:11 fetching corpus: 2600, signal 141724/199594 (executing program) 2021/02/04 05:23:11 fetching corpus: 2650, signal 142668/201352 (executing program) 2021/02/04 05:23:11 fetching corpus: 2700, signal 143181/202803 (executing program) 2021/02/04 05:23:11 fetching corpus: 2750, signal 143597/204120 (executing program) 2021/02/04 05:23:11 fetching corpus: 2800, signal 144796/205951 (executing program) 2021/02/04 05:23:11 fetching corpus: 2850, signal 145363/207347 (executing program) 2021/02/04 05:23:11 fetching corpus: 2900, signal 148281/210218 (executing program) 2021/02/04 05:23:11 fetching corpus: 2950, signal 149805/212333 (executing program) 2021/02/04 05:23:11 fetching corpus: 3000, signal 150381/213711 (executing program) 2021/02/04 05:23:11 fetching corpus: 3050, signal 150748/214940 (executing program) 2021/02/04 05:23:11 fetching corpus: 3100, signal 151644/216726 (executing program) 2021/02/04 05:23:11 fetching corpus: 3150, signal 151860/217881 (executing program) 2021/02/04 05:23:11 fetching corpus: 3200, signal 153921/220100 (executing program) 2021/02/04 05:23:11 fetching corpus: 3250, signal 154561/221554 (executing program) 2021/02/04 05:23:11 fetching corpus: 3300, signal 155119/222835 (executing program) 2021/02/04 05:23:12 fetching corpus: 3350, signal 155549/224082 (executing program) 2021/02/04 05:23:12 fetching corpus: 3400, signal 156023/225358 (executing program) 2021/02/04 05:23:12 fetching corpus: 3450, signal 159254/228084 (executing program) 2021/02/04 05:23:12 fetching corpus: 3500, signal 159908/229478 (executing program) 2021/02/04 05:23:12 fetching corpus: 3550, signal 160473/230757 (executing program) 2021/02/04 05:23:12 fetching corpus: 3600, signal 160843/231941 (executing program) 2021/02/04 05:23:12 fetching corpus: 3650, signal 163119/234159 (executing program) 2021/02/04 05:23:12 fetching corpus: 3700, signal 164433/235789 (executing program) 2021/02/04 05:23:12 fetching corpus: 3750, signal 164970/237031 (executing program) 2021/02/04 05:23:12 fetching corpus: 3800, signal 165631/238304 (executing program) 2021/02/04 05:23:12 fetching corpus: 3850, signal 166360/239585 (executing program) 2021/02/04 05:23:12 fetching corpus: 3900, signal 168502/241535 (executing program) 2021/02/04 05:23:12 fetching corpus: 3950, signal 169001/242692 (executing program) 2021/02/04 05:23:12 fetching corpus: 4000, signal 170107/244171 (executing program) 2021/02/04 05:23:12 fetching corpus: 4050, signal 170869/245476 (executing program) 2021/02/04 05:23:12 fetching corpus: 4100, signal 171570/246721 (executing program) 2021/02/04 05:23:12 fetching corpus: 4150, signal 171879/247752 (executing program) 2021/02/04 05:23:13 fetching corpus: 4200, signal 173973/249553 (executing program) 2021/02/04 05:23:13 fetching corpus: 4250, signal 175240/250994 (executing program) 2021/02/04 05:23:13 fetching corpus: 4300, signal 176155/252278 (executing program) 2021/02/04 05:23:13 fetching corpus: 4350, signal 176636/253348 (executing program) 2021/02/04 05:23:13 fetching corpus: 4400, signal 177652/254685 (executing program) 2021/02/04 05:23:13 fetching corpus: 4450, signal 178423/255878 (executing program) 2021/02/04 05:23:13 fetching corpus: 4500, signal 178893/256964 (executing program) 2021/02/04 05:23:13 fetching corpus: 4550, signal 181170/258684 (executing program) 2021/02/04 05:23:13 fetching corpus: 4600, signal 181558/259675 (executing program) 2021/02/04 05:23:13 fetching corpus: 4650, signal 182188/260900 (executing program) 2021/02/04 05:23:13 fetching corpus: 4700, signal 183247/262145 (executing program) 2021/02/04 05:23:13 fetching corpus: 4750, signal 184276/263364 (executing program) 2021/02/04 05:23:13 fetching corpus: 4800, signal 184769/264368 (executing program) 2021/02/04 05:23:13 fetching corpus: 4850, signal 185101/265319 (executing program) 2021/02/04 05:23:13 fetching corpus: 4900, signal 185704/266325 (executing program) 2021/02/04 05:23:13 fetching corpus: 4950, signal 186606/267388 (executing program) 2021/02/04 05:23:13 fetching corpus: 5000, signal 186988/268302 (executing program) 2021/02/04 05:23:13 fetching corpus: 5050, signal 187296/269186 (executing program) 2021/02/04 05:23:13 fetching corpus: 5100, signal 188648/270469 (executing program) 2021/02/04 05:23:14 fetching corpus: 5150, signal 190397/271843 (executing program) 2021/02/04 05:23:14 fetching corpus: 5200, signal 190804/272798 (executing program) 2021/02/04 05:23:14 fetching corpus: 5250, signal 191141/273699 (executing program) 2021/02/04 05:23:14 fetching corpus: 5300, signal 192697/274958 (executing program) 2021/02/04 05:23:14 fetching corpus: 5350, signal 193443/275945 (executing program) 2021/02/04 05:23:14 fetching corpus: 5400, signal 193922/276847 (executing program) 2021/02/04 05:23:14 fetching corpus: 5450, signal 194284/277703 (executing program) 2021/02/04 05:23:14 fetching corpus: 5500, signal 194851/278644 (executing program) 2021/02/04 05:23:14 fetching corpus: 5550, signal 195233/279479 (executing program) 2021/02/04 05:23:14 fetching corpus: 5600, signal 195892/280460 (executing program) 2021/02/04 05:23:14 fetching corpus: 5650, signal 196892/281477 (executing program) 2021/02/04 05:23:14 fetching corpus: 5700, signal 197339/282305 (executing program) 2021/02/04 05:23:14 fetching corpus: 5750, signal 197661/283091 (executing program) 2021/02/04 05:23:14 fetching corpus: 5800, signal 197982/283922 (executing program) 2021/02/04 05:23:14 fetching corpus: 5850, signal 198678/284848 (executing program) 2021/02/04 05:23:14 fetching corpus: 5900, signal 199114/285699 (executing program) 2021/02/04 05:23:14 fetching corpus: 5950, signal 200079/286675 (executing program) 2021/02/04 05:23:15 fetching corpus: 6000, signal 200498/287477 (executing program) 2021/02/04 05:23:15 fetching corpus: 6050, signal 200681/288198 (executing program) 2021/02/04 05:23:15 fetching corpus: 6100, signal 202144/289197 (executing program) 2021/02/04 05:23:15 fetching corpus: 6150, signal 202569/289978 (executing program) 2021/02/04 05:23:15 fetching corpus: 6200, signal 202881/290709 (executing program) 2021/02/04 05:23:15 fetching corpus: 6250, signal 203535/291659 (executing program) 2021/02/04 05:23:15 fetching corpus: 6300, signal 204351/292465 (executing program) 2021/02/04 05:23:15 fetching corpus: 6350, signal 204713/293227 (executing program) 2021/02/04 05:23:15 fetching corpus: 6400, signal 206340/294509 (executing program) 2021/02/04 05:23:15 fetching corpus: 6450, signal 206975/295328 (executing program) 2021/02/04 05:23:15 fetching corpus: 6500, signal 207261/296098 (executing program) 2021/02/04 05:23:15 fetching corpus: 6550, signal 209252/297052 (executing program) 2021/02/04 05:23:15 fetching corpus: 6600, signal 209530/297750 (executing program) 2021/02/04 05:23:16 fetching corpus: 6650, signal 209749/298452 (executing program) 2021/02/04 05:23:16 fetching corpus: 6700, signal 210052/299156 (executing program) 2021/02/04 05:23:16 fetching corpus: 6750, signal 210472/299886 (executing program) 2021/02/04 05:23:16 fetching corpus: 6800, signal 210713/300561 (executing program) 2021/02/04 05:23:16 fetching corpus: 6850, signal 210902/301218 (executing program) 2021/02/04 05:23:16 fetching corpus: 6900, signal 211635/301962 (executing program) 2021/02/04 05:23:16 fetching corpus: 6950, signal 211817/302624 (executing program) 2021/02/04 05:23:16 fetching corpus: 7000, signal 212225/303296 (executing program) 2021/02/04 05:23:16 fetching corpus: 7050, signal 213071/304006 (executing program) 2021/02/04 05:23:16 fetching corpus: 7100, signal 213290/304661 (executing program) 2021/02/04 05:23:16 fetching corpus: 7150, signal 213647/305315 (executing program) 2021/02/04 05:23:17 fetching corpus: 7200, signal 214039/305949 (executing program) 2021/02/04 05:23:17 fetching corpus: 7250, signal 214456/306637 (executing program) 2021/02/04 05:23:17 fetching corpus: 7300, signal 216916/307350 (executing program) 2021/02/04 05:23:17 fetching corpus: 7350, signal 219359/308018 (executing program) 2021/02/04 05:23:17 fetching corpus: 7400, signal 219595/308640 (executing program) 2021/02/04 05:23:17 fetching corpus: 7450, signal 220283/309241 (executing program) 2021/02/04 05:23:17 fetching corpus: 7500, signal 221617/309703 (executing program) 2021/02/04 05:23:17 fetching corpus: 7550, signal 222626/309759 (executing program) 2021/02/04 05:23:18 fetching corpus: 7600, signal 223190/309779 (executing program) 2021/02/04 05:23:18 fetching corpus: 7650, signal 223913/309790 (executing program) 2021/02/04 05:23:18 fetching corpus: 7700, signal 224176/309796 (executing program) 2021/02/04 05:23:18 fetching corpus: 7750, signal 224934/309800 (executing program) 2021/02/04 05:23:18 fetching corpus: 7800, signal 226353/309800 (executing program) 2021/02/04 05:23:18 fetching corpus: 7850, signal 226572/309800 (executing program) 2021/02/04 05:23:18 fetching corpus: 7900, signal 226909/309803 (executing program) 2021/02/04 05:23:18 fetching corpus: 7950, signal 227251/309821 (executing program) 2021/02/04 05:23:18 fetching corpus: 8000, signal 227567/309823 (executing program) 2021/02/04 05:23:18 fetching corpus: 8050, signal 228000/309825 (executing program) 2021/02/04 05:23:18 fetching corpus: 8100, signal 229383/309837 (executing program) 2021/02/04 05:23:19 fetching corpus: 8150, signal 229746/309839 (executing program) 2021/02/04 05:23:19 fetching corpus: 8200, signal 230515/309882 (executing program) 2021/02/04 05:23:19 fetching corpus: 8250, signal 230762/309924 (executing program) 2021/02/04 05:23:19 fetching corpus: 8300, signal 231036/309981 (executing program) 2021/02/04 05:23:19 fetching corpus: 8350, signal 231307/310002 (executing program) 2021/02/04 05:23:19 fetching corpus: 8400, signal 231613/310014 (executing program) 2021/02/04 05:23:19 fetching corpus: 8450, signal 231824/310016 (executing program) 2021/02/04 05:23:19 fetching corpus: 8500, signal 232339/310203 (executing program) 2021/02/04 05:23:19 fetching corpus: 8550, signal 232571/310208 (executing program) 2021/02/04 05:23:19 fetching corpus: 8600, signal 233091/310209 (executing program) 2021/02/04 05:23:19 fetching corpus: 8650, signal 233217/310223 (executing program) 2021/02/04 05:23:20 fetching corpus: 8700, signal 236285/310296 (executing program) 2021/02/04 05:23:20 fetching corpus: 8750, signal 236466/310302 (executing program) 2021/02/04 05:23:20 fetching corpus: 8800, signal 236780/310306 (executing program) 2021/02/04 05:23:20 fetching corpus: 8850, signal 237455/310347 (executing program) 2021/02/04 05:23:20 fetching corpus: 8900, signal 238290/310357 (executing program) 2021/02/04 05:23:20 fetching corpus: 8950, signal 239230/310363 (executing program) 2021/02/04 05:23:20 fetching corpus: 9000, signal 239788/310374 (executing program) 2021/02/04 05:23:20 fetching corpus: 9050, signal 240103/310390 (executing program) 2021/02/04 05:23:20 fetching corpus: 9100, signal 240319/310407 (executing program) 2021/02/04 05:23:20 fetching corpus: 9150, signal 240506/310416 (executing program) 2021/02/04 05:23:20 fetching corpus: 9200, signal 241275/310454 (executing program) 2021/02/04 05:23:21 fetching corpus: 9250, signal 242016/310458 (executing program) 2021/02/04 05:23:21 fetching corpus: 9300, signal 242334/310464 (executing program) 2021/02/04 05:23:21 fetching corpus: 9350, signal 242535/310464 (executing program) 2021/02/04 05:23:21 fetching corpus: 9400, signal 244315/310482 (executing program) 2021/02/04 05:23:21 fetching corpus: 9450, signal 244656/310482 (executing program) 2021/02/04 05:23:21 fetching corpus: 9500, signal 244862/310544 (executing program) 2021/02/04 05:23:21 fetching corpus: 9550, signal 245301/310551 (executing program) 2021/02/04 05:23:21 fetching corpus: 9600, signal 245557/310684 (executing program) 2021/02/04 05:23:21 fetching corpus: 9650, signal 245801/310696 (executing program) 2021/02/04 05:23:21 fetching corpus: 9700, signal 246051/310700 (executing program) 2021/02/04 05:23:21 fetching corpus: 9750, signal 246542/310704 (executing program) 2021/02/04 05:23:21 fetching corpus: 9800, signal 247006/310704 (executing program) 2021/02/04 05:23:21 fetching corpus: 9850, signal 247219/310714 (executing program) 2021/02/04 05:23:21 fetching corpus: 9900, signal 248468/310715 (executing program) 2021/02/04 05:23:22 fetching corpus: 9950, signal 249528/310715 (executing program) 2021/02/04 05:23:22 fetching corpus: 10000, signal 250434/310718 (executing program) 2021/02/04 05:23:22 fetching corpus: 10050, signal 250634/310746 (executing program) 2021/02/04 05:23:22 fetching corpus: 10100, signal 250812/310751 (executing program) 2021/02/04 05:23:22 fetching corpus: 10150, signal 251138/310753 (executing program) 2021/02/04 05:23:22 fetching corpus: 10200, signal 252924/310762 (executing program) 2021/02/04 05:23:22 fetching corpus: 10250, signal 253167/310768 (executing program) 2021/02/04 05:23:22 fetching corpus: 10300, signal 253903/310772 (executing program) 2021/02/04 05:23:22 fetching corpus: 10350, signal 254115/310809 (executing program) 2021/02/04 05:23:22 fetching corpus: 10362, signal 254136/310809 (executing program) 2021/02/04 05:23:22 fetching corpus: 10362, signal 254136/310809 (executing program) 2021/02/04 05:23:22 starting 2 fuzzer processes 05:23:23 executing program 0: r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000100)='/dev/bpf\x00', 0x4000000019, 0x0) ioctl$BIOCSETWF(r0, 0x80104277, &(0x7f0000000080)={0x3, &(0x7f0000000000)=[{0x2c}, {}, {0x6, 0x0, 0x0, 0x900}]}) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f0000000040)={'tap', 0x0}) write(r0, &(0x7f0000000080)="7cd23fc0aa17dddf7830faa1aaab", 0xe) 05:23:23 executing program 1: r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000140)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f0000000540)={'tap', 0x0}) ioctl$BIOCSETWF(r0, 0x80104277, &(0x7f00000002c0)={0x3, &(0x7f0000000040)=[{0x54}, {0x45}, {0x6, 0x0, 0x0, 0xfc}]}) pwrite(r0, &(0x7f0000000400)="fbaf8a8d1a029be96914f6357e3a", 0xe, 0x0, 0x0) 05:23:23 executing program 0: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000000c0)="9a0b24910819f6a33cb9", 0xa}], 0x1}, 0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 1: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) semop(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x3ff}, {0x0, 0x0, 0x1000}, {}, {0x6}, {0x0, 0x401}], 0x5) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 0: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000000c0)="9a0b24910819f6a33cb9", 0xa}], 0x1}, 0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 1: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) semop(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x3ff}, {0x0, 0x0, 0x1000}, {}, {0x6}, {0x0, 0x401}], 0x5) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 0: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000000c0)="9a0b24910819f6a33cb9", 0xa}], 0x1}, 0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 1: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) semop(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x3ff}, {0x0, 0x0, 0x1000}, {}, {0x6}, {0x0, 0x401}], 0x5) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 0: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000000c0)="9a0b24910819f6a33cb9", 0xa}], 0x1}, 0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 1: r0 = kqueue() r1 = fcntl$dupfd(r0, 0x2, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x3, 0x10, r1, 0x0, 0x0) semop(0xffffffffffffffff, &(0x7f0000000040)=[{0x0, 0x3ff}, {0x0, 0x0, 0x1000}, {}, {0x6}, {0x0, 0x401}], 0x5) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x2}) 05:23:23 executing program 0: setrlimit(0x8, &(0x7f0000000000)={0x7, 0x94}) r0 = syz_open_pts() close(r0) r1 = syz_open_pts() write(r0, &(0x7f0000000080)='M', 0x1) ioctl$TIOCSTOP(r1, 0x2000746f) ioctl$TIOCSETA(r0, 0x80047470, &(0x7f00000004c0)={0x5, 0x0, 0x0, 0x0, "61aa0db11ce9bae3c6514e6ae973739ea78b7ec0"}) poll(&(0x7f0000000040)=[{r0, 0x7e}], 0x1, 0x0) vrele: bad writecount: 0xfffffd807c774788, type VCHR, use 0, write 1, hold 0, tag VT_UFS, ino 2678, on dev 4, 0 flags 0x180, effnlink 1, nlink 1 mode 020620, owner 0, group 4, size 0 panic: vrele: v_writecount != 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *506461 56858 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 panic(ffffffff8243627a) at panic+0x15e vrele(fffffd807c774788) at vrele+0x187 ptmioctl(5100,40287401,ffff800022737d00,3,ffff800021671260) at ptmioctl+0x5b9 VOP_IOCTL(fffffd806ef5d3d0,40287401,ffff800022737d00,3,fffffd807f7b79c0,ffff800021671260) at VOP_IOCTL+0x91 vn_ioctl(fffffd806783bc48,40287401,ffff800022737d00,ffff800021671260) at vn_ioctl+0xb5 sys_ioctl(ffff800021671260,ffff800022737e10,ffff800022737e60) at sys_ioctl+0x4ac syscall(ffff800022737ee0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3542fdb09c0, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic vrele: v_writecount != 0 ddb> trace db_enter() at db_enter+0x18 panic(ffffffff8243627a) at panic+0x15e vrele(fffffd807c774788) at vrele+0x187 ptmioctl(5100,40287401,ffff800022737d00,3,ffff800021671260) at ptmioctl+0x5b9 VOP_IOCTL(fffffd806ef5d3d0,40287401,ffff800022737d00,3,fffffd807f7b79c0,ffff800021671260) at VOP_IOCTL+0x91 vn_ioctl(fffffd806783bc48,40287401,ffff800022737d00,ffff800021671260) at vn_ioctl+0xb5 sys_ioctl(ffff800021671260,ffff800022737e10,ffff800022737e60) at sys_ioctl+0x4ac syscall(ffff800022737ee0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3542fdb09c0, count: -9 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff800022737740 rbx 0xffff800022737750 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff820e50f5 kprintf+0x155 r9 0x1 r10 0x3fb8b4e8b463dcaa r11 0xd9fb4e1f5eb0ddb r12 0x3000000008 r13 0xffff8000227377f0 r14 0x100 r15 0x1 rip 0xffffffff81ab85c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800022737730 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=506461 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021697510,0xffffffff827ebf10 process=0xffff80002165d010 user=0xffff800022732000, vmspace=0xfffffd807effc770 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 56858 474078 50169 0 2 0 syz-executor.0 *56858 506461 50169 0 7 0x4000000 syz-executor.0 88524 25102 52862 0 2 0x2 syz-executor.1 50169 132910 52862 0 2 0x2 syz-executor.0 52862 236923 75307 0 3 0x82 thrsleep syz-fuzzer 52862 250768 75307 0 2 0x4000482 syz-fuzzer 52862 144019 75307 0 3 0x4000082 thrsleep syz-fuzzer 52862 160167 75307 0 3 0x4000082 thrsleep syz-fuzzer 52862 287752 75307 0 3 0x4000082 thrsleep syz-fuzzer 52862 294428 75307 0 3 0x4000082 thrsleep syz-fuzzer 52862 502823 75307 0 3 0x4000082 kqread syz-fuzzer 75307 61148 2340 0 3 0x10008a sigsusp ksh 2340 143111 16222 0 3 0x92 select sshd 53237 451023 1 0 3 0x100083 ttyin getty 16222 129459 1 0 3 0x80 select sshd 76121 94050 65731 73 3 0x100090 kqread syslogd 65731 290617 1 0 3 0x100082 netio syslogd 42215 408292 1 77 3 0x100090 poll dhclient 24788 506697 1 0 3 0x80 poll dhclient 77405 297027 0 0 3 0x14200 bored smr 49970 349966 0 0 2 0x14200 zerothread 43962 479949 0 0 3 0x14200 aiodoned aiodoned 25016 463541 0 0 3 0x14200 syncer update 40071 345821 0 0 3 0x14200 cleaner cleaner 52180 81205 0 0 3 0x14200 reaper reaper 41907 140854 0 0 3 0x14200 pgdaemon pagedaemon 8401 207958 0 0 3 0x14200 bored crynlk 2790 265912 0 0 3 0x14200 bored crypto 70148 114178 0 0 3 0x14200 bored viomb 54842 104692 0 0 3 0x40014200 acpi0 acpi0 70834 241886 0 0 2 0x14200 softnet 30328 359895 0 0 3 0x14200 bored systqmp 62165 164405 0 0 3 0x14200 bored systq 87561 237253 0 0 3 0x40014200 bored softclock 45084 433235 0 0 3 0x40014200 idle0 1 187893 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9466 6342K 6600K 78643K 10576 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 189 0 ifaddr 39 10K 10K 78643K 39 0 counters 21 16K 16K 78643K 21 0 ioctlops 0 0K 2K 78643K 15 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1225 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 45 0 proc 47 38K 54K 78643K 364 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 2K 78643K 317 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 117 23K 24K 78643K 717 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 9 0K 0K 78643K 9 0 temp 60 3963K 4027K 78643K 1818 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 rtpcb 120 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 23 0 15 1 0 1 1 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 943 0 943 2 1 1 1 0 8 1 tcpcb 736 10 0 5 1 0 1 1 0 8 0 inpcb 304 32 0 24 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 kcovpl 48 2 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1427 0 31 88 0 88 88 0 8 0 ffsino 240 1427 0 31 83 0 83 83 0 8 0 nchpl 144 1655 0 58 60 0 60 60 0 8 0 uvmvnodes 72 1474 0 0 27 0 27 27 0 8 0 vnodes 224 1474 0 0 87 0 87 87 0 8 0 namei 1024 4025 0 4024 2 1 1 1 0 8 0 scxspl 216 4747 0 4747 9 1 8 8 0 8 8 plimitpl 152 16 0 8 1 0 1 1 0 8 0 sigapl 424 232 0 203 4 0 4 4 0 8 0 futexpl 56 82 0 82 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 168 12 0 10 1 0 1 1 0 8 0 pipepl 304 69 0 58 1 0 1 1 0 8 0 fdescpl 432 217 0 203 2 0 2 2 0 8 0 filepl 120 992 0 891 4 0 4 4 0 8 0 lockfpl 104 9 0 8 1 0 1 1 0 8 0 lockfspl 48 5 0 4 1 0 1 1 0 8 0 sessionpl 144 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 57 0 50 1 0 1 1 0 8 0 zombiepl 144 203 0 203 2 1 1 1 0 8 1 processpl 1016 232 0 203 5 0 5 5 0 8 1 procpl 672 249 0 213 4 0 4 4 0 8 0 sockpl 432 74 0 56 3 0 3 3 0 8 0 mcl4k 4096 8 0 8 1 1 0 1 0 8 0 mcl2k 2048 163112 0 163031 77 59 18 38 0 8 7 mtagpl 96 6 0 2 2 1 1 1 0 8 0 mbufpl 256 177432 0 177285 29 15 14 20 0 8 3 bufpl 280 3254 0 169 221 0 221 221 0 8 0 anonpl 24 39009 0 21081 111 2 109 109 0 188 1 amapchunkpl 152 1267 0 889 18 1 17 17 0 158 2 amappl16 200 875 0 117 40 0 40 40 0 8 0 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl14 184 30 0 23 1 0 1 1 0 8 0 amappl13 176 26 0 22 1 0 1 1 0 8 0 amappl12 168 11 0 10 2 1 1 1 0 8 0 amappl11 160 45 0 34 1 0 1 1 0 8 0 amappl10 152 3 0 0 1 0 1 1 0 8 0 amappl9 144 285 0 284 2 1 1 1 0 8 0 amappl8 136 117 0 86 2 0 2 2 0 8 0 amappl7 128 227 0 221 1 0 1 1 0 8 0 amappl6 120 62 0 55 1 0 1 1 0 8 0 amappl5 112 363 0 349 1 0 1 1 0 8 0 amappl4 104 239 0 215 1 0 1 1 0 8 0 amappl3 96 108 0 101 1 0 1 1 0 8 0 amappl2 88 983 0 917 3 1 2 3 0 8 0 amappl1 80 14185 0 13730 29 17 12 21 0 8 2 amappl 88 496 0 422 2 0 2 2 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 217 0 203 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 217 0 203 1 0 1 1 0 8 0 vmmpekpl 168 5813 0 5794 1 0 1 1 0 8 0 vmmpepl 168 34573 0 32676 122 11 111 111 0 357 28 vmsppl 272 216 0 203 2 0 2 2 0 8 1 rwobjpl 24 9519 0 8099 14 4 10 10 0 8 1 pdppl 4096 440 0 406 58 18 40 40 0 8 6 pvpl 32 132172 0 111370 173 2 171 171 0 265 1 pmappl 200 216 0 203 1 0 1 1 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 365 0 96 8 0 8 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 panic(ffffffff8243627a) at panic+0x15e vrele(fffffd807c774788) at vrele+0x187 ptmioctl(5100,40287401,ffff800022737d00,3,ffff800021671260) at ptmioctl+0x5b9 VOP_IOCTL(fffffd806ef5d3d0,40287401,ffff800022737d00,3,fffffd807f7b79c0,ffff800021671260) at VOP_IOCTL+0x91 vn_ioctl(fffffd806783bc48,40287401,ffff800022737d00,ffff800021671260) at vn_ioctl+0xb5 sys_ioctl(ffff800021671260,ffff800022737e10,ffff800022737e60) at sys_ioctl+0x4ac syscall(ffff800022737ee0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3542fdb09c0, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 panic(ffffffff8243627a) at panic+0x15e vrele(fffffd807c774788) at vrele+0x187 ptmioctl(5100,40287401,ffff800022737d00,3,ffff800021671260) at ptmioctl+0x5b9 VOP_IOCTL(fffffd806ef5d3d0,40287401,ffff800022737d00,3,fffffd807f7b79c0,ffff800021671260) at VOP_IOCTL+0x91 vn_ioctl(fffffd806783bc48,40287401,ffff800022737d00,ffff800021671260) at vn_ioctl+0xb5 sys_ioctl(ffff800021671260,ffff800022737e10,ffff800022737e60) at sys_ioctl+0x4ac syscall(ffff800022737ee0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3542fdb09c0, count: -9