syzkaller login: [  231.356358][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  231.382972][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  247.698916][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:25444' (ECDSA) to the list of known hosts.
1970/01/01 00:04:35 fuzzer started
1970/01/01 00:04:46 dialing manager at localhost:42807
[  291.072440][ T2010] cgroup: Unknown subsys name 'net'
[  291.879191][ T2010] cgroup: Unknown subsys name 'rlimit'
1970/01/01 00:04:51 syscalls: 2796
1970/01/01 00:04:51 code coverage: enabled
1970/01/01 00:04:51 comparison tracing: enabled
1970/01/01 00:04:51 extra coverage: enabled
1970/01/01 00:04:51 setuid sandbox: enabled
1970/01/01 00:04:51 namespace sandbox: enabled
1970/01/01 00:04:51 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:04:51 fault injection: enabled
1970/01/01 00:04:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:04:51 net packet injection: enabled
1970/01/01 00:04:51 net device setup: enabled
1970/01/01 00:04:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:04:51 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:04:51 USB emulation: enabled
1970/01/01 00:04:51 hci packet injection: /dev/vhci does not exist
1970/01/01 00:04:51 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:04:51 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist
1970/01/01 00:04:57 fetching corpus: 50, signal 36175/37949 (executing program)
1970/01/01 00:04:59 fetching corpus: 100, signal 49481/52880 (executing program)
1970/01/01 00:05:03 fetching corpus: 150, signal 59379/64276 (executing program)
1970/01/01 00:05:05 fetching corpus: 200, signal 64072/70500 (executing program)
1970/01/01 00:05:08 fetching corpus: 250, signal 69521/77400 (executing program)
1970/01/01 00:05:09 fetching corpus: 300, signal 72984/82330 (executing program)
1970/01/01 00:05:11 fetching corpus: 350, signal 77380/88094 (executing program)
1970/01/01 00:05:12 fetching corpus: 400, signal 81344/93393 (executing program)
1970/01/01 00:05:14 fetching corpus: 450, signal 85333/98674 (executing program)
1970/01/01 00:05:16 fetching corpus: 500, signal 88350/102982 (executing program)
1970/01/01 00:05:19 fetching corpus: 550, signal 91024/106894 (executing program)
1970/01/01 00:05:21 fetching corpus: 600, signal 93545/110639 (executing program)
1970/01/01 00:05:26 fetching corpus: 650, signal 98052/116216 (executing program)
1970/01/01 00:05:29 fetching corpus: 700, signal 103532/122546 (executing program)
1970/01/01 00:05:32 fetching corpus: 750, signal 106828/126910 (executing program)
1970/01/01 00:05:34 fetching corpus: 800, signal 108538/129812 (executing program)
1970/01/01 00:05:36 fetching corpus: 850, signal 110793/133192 (executing program)
1970/01/01 00:05:38 fetching corpus: 900, signal 113749/137130 (executing program)
1970/01/01 00:05:40 fetching corpus: 950, signal 116076/140482 (executing program)
1970/01/01 00:05:42 fetching corpus: 1000, signal 118348/143779 (executing program)
1970/01/01 00:05:44 fetching corpus: 1050, signal 120265/146697 (executing program)
1970/01/01 00:05:46 fetching corpus: 1100, signal 121991/149451 (executing program)
1970/01/01 00:05:48 fetching corpus: 1150, signal 123755/152205 (executing program)
1970/01/01 00:05:50 fetching corpus: 1200, signal 124834/154365 (executing program)
1970/01/01 00:05:52 fetching corpus: 1250, signal 127251/157606 (executing program)
1970/01/01 00:05:54 fetching corpus: 1300, signal 129125/160343 (executing program)
1970/01/01 00:05:56 fetching corpus: 1350, signal 130563/162712 (executing program)
1970/01/01 00:05:59 fetching corpus: 1400, signal 131661/164843 (executing program)
1970/01/01 00:06:00 fetching corpus: 1450, signal 133522/167569 (executing program)
1970/01/01 00:06:03 fetching corpus: 1500, signal 135588/170439 (executing program)
1970/01/01 00:06:04 fetching corpus: 1550, signal 137635/173226 (executing program)
1970/01/01 00:06:06 fetching corpus: 1600, signal 139314/175735 (executing program)
1970/01/01 00:06:08 fetching corpus: 1650, signal 140324/177654 (executing program)
1970/01/01 00:06:10 fetching corpus: 1700, signal 142257/180346 (executing program)
1970/01/01 00:06:12 fetching corpus: 1750, signal 143649/182514 (executing program)
1970/01/01 00:06:13 fetching corpus: 1800, signal 144992/184651 (executing program)
1970/01/01 00:06:17 fetching corpus: 1850, signal 146641/187045 (executing program)
1970/01/01 00:06:18 fetching corpus: 1900, signal 147785/189034 (executing program)
1970/01/01 00:06:21 fetching corpus: 1950, signal 148948/191029 (executing program)
1970/01/01 00:06:22 fetching corpus: 2000, signal 149785/192724 (executing program)
1970/01/01 00:06:24 fetching corpus: 2050, signal 151225/194860 (executing program)
1970/01/01 00:06:26 fetching corpus: 2100, signal 152370/196771 (executing program)
1970/01/01 00:06:28 fetching corpus: 2150, signal 153411/198570 (executing program)
1970/01/01 00:06:29 fetching corpus: 2200, signal 154431/200390 (executing program)
1970/01/01 00:06:32 fetching corpus: 2250, signal 155546/202263 (executing program)
1970/01/01 00:06:34 fetching corpus: 2300, signal 156677/204078 (executing program)
1970/01/01 00:06:35 fetching corpus: 2350, signal 158490/206410 (executing program)
1970/01/01 00:06:37 fetching corpus: 2400, signal 159669/208229 (executing program)
1970/01/01 00:06:39 fetching corpus: 2450, signal 160706/209994 (executing program)
1970/01/01 00:06:41 fetching corpus: 2500, signal 161672/211648 (executing program)
1970/01/01 00:06:44 fetching corpus: 2550, signal 162425/213176 (executing program)
1970/01/01 00:06:46 fetching corpus: 2600, signal 164183/215409 (executing program)
1970/01/01 00:06:48 fetching corpus: 2650, signal 164906/216869 (executing program)
1970/01/01 00:06:50 fetching corpus: 2700, signal 166080/218619 (executing program)
1970/01/01 00:06:52 fetching corpus: 2750, signal 166781/220003 (executing program)
1970/01/01 00:06:55 fetching corpus: 2800, signal 167753/221609 (executing program)
1970/01/01 00:06:57 fetching corpus: 2850, signal 168774/223237 (executing program)
1970/01/01 00:06:58 fetching corpus: 2900, signal 169568/224702 (executing program)
1970/01/01 00:07:01 fetching corpus: 2950, signal 170737/226404 (executing program)
1970/01/01 00:07:04 fetching corpus: 3000, signal 171687/227979 (executing program)
1970/01/01 00:07:06 fetching corpus: 3050, signal 172827/229589 (executing program)
1970/01/01 00:07:07 fetching corpus: 3100, signal 173835/231125 (executing program)
1970/01/01 00:07:10 fetching corpus: 3150, signal 174755/232608 (executing program)
1970/01/01 00:07:12 fetching corpus: 3200, signal 175546/234000 (executing program)
1970/01/01 00:07:14 fetching corpus: 3250, signal 176395/235467 (executing program)
1970/01/01 00:07:16 fetching corpus: 3300, signal 177262/236860 (executing program)
1970/01/01 00:07:19 fetching corpus: 3350, signal 178692/238602 (executing program)
1970/01/01 00:07:21 fetching corpus: 3400, signal 179433/239935 (executing program)
1970/01/01 00:07:23 fetching corpus: 3450, signal 180094/241171 (executing program)
1970/01/01 00:07:25 fetching corpus: 3500, signal 181073/242606 (executing program)
1970/01/01 00:07:27 fetching corpus: 3550, signal 181906/243930 (executing program)
1970/01/01 00:07:30 fetching corpus: 3600, signal 182955/245385 (executing program)
1970/01/01 00:07:32 fetching corpus: 3650, signal 183983/246790 (executing program)
1970/01/01 00:07:35 fetching corpus: 3700, signal 185032/248219 (executing program)
1970/01/01 00:07:38 fetching corpus: 3750, signal 186092/249641 (executing program)
1970/01/01 00:07:40 fetching corpus: 3800, signal 187047/251020 (executing program)
1970/01/01 00:07:43 fetching corpus: 3850, signal 187846/252279 (executing program)
1970/01/01 00:07:45 fetching corpus: 3900, signal 188607/253518 (executing program)
1970/01/01 00:07:48 fetching corpus: 3950, signal 189359/254714 (executing program)
1970/01/01 00:07:50 fetching corpus: 4000, signal 190031/255838 (executing program)
1970/01/01 00:07:52 fetching corpus: 4050, signal 190781/257085 (executing program)
1970/01/01 00:07:54 fetching corpus: 4100, signal 191361/258156 (executing program)
1970/01/01 00:07:57 fetching corpus: 4150, signal 192282/259426 (executing program)
1970/01/01 00:07:58 fetching corpus: 4200, signal 193144/260653 (executing program)
1970/01/01 00:08:00 fetching corpus: 4250, signal 193742/261739 (executing program)
1970/01/01 00:08:03 fetching corpus: 4300, signal 194658/262957 (executing program)
1970/01/01 00:08:05 fetching corpus: 4350, signal 195351/264068 (executing program)
1970/01/01 00:08:07 fetching corpus: 4400, signal 196123/265252 (executing program)
1970/01/01 00:08:08 fetching corpus: 4450, signal 197010/266455 (executing program)
1970/01/01 00:08:11 fetching corpus: 4500, signal 197488/267466 (executing program)
1970/01/01 00:08:13 fetching corpus: 4550, signal 198068/268493 (executing program)
1970/01/01 00:08:15 fetching corpus: 4600, signal 198850/269547 (executing program)
1970/01/01 00:08:16 fetching corpus: 4650, signal 199704/270688 (executing program)
1970/01/01 00:08:19 fetching corpus: 4700, signal 200441/271776 (executing program)
1970/01/01 00:08:20 fetching corpus: 4750, signal 201051/272757 (executing program)
1970/01/01 00:08:23 fetching corpus: 4800, signal 201860/273847 (executing program)
1970/01/01 00:08:25 fetching corpus: 4850, signal 202858/275011 (executing program)
1970/01/01 00:08:27 fetching corpus: 4900, signal 203321/275950 (executing program)
1970/01/01 00:08:28 fetching corpus: 4950, signal 204074/276970 (executing program)
1970/01/01 00:08:30 fetching corpus: 5000, signal 204572/277879 (executing program)
1970/01/01 00:08:32 fetching corpus: 5050, signal 205045/278819 (executing program)
1970/01/01 00:08:34 fetching corpus: 5100, signal 205541/279748 (executing program)
1970/01/01 00:08:35 fetching corpus: 5150, signal 206075/280673 (executing program)
1970/01/01 00:08:37 fetching corpus: 5200, signal 206621/281577 (executing program)
1970/01/01 00:08:39 fetching corpus: 5250, signal 207163/282458 (executing program)
1970/01/01 00:08:41 fetching corpus: 5300, signal 207791/283390 (executing program)
1970/01/01 00:08:43 fetching corpus: 5350, signal 208591/284377 (executing program)
1970/01/01 00:08:45 fetching corpus: 5400, signal 209022/285239 (executing program)
1970/01/01 00:08:48 fetching corpus: 5450, signal 209581/286118 (executing program)
1970/01/01 00:08:50 fetching corpus: 5500, signal 210047/286996 (executing program)
1970/01/01 00:08:52 fetching corpus: 5550, signal 210719/287922 (executing program)
1970/01/01 00:08:55 fetching corpus: 5600, signal 211439/288843 (executing program)
1970/01/01 00:08:57 fetching corpus: 5650, signal 212038/289714 (executing program)
1970/01/01 00:08:59 fetching corpus: 5700, signal 212790/290606 (executing program)
1970/01/01 00:09:03 fetching corpus: 5750, signal 213378/291434 (executing program)
1970/01/01 00:09:05 fetching corpus: 5800, signal 213813/292238 (executing program)
1970/01/01 00:09:06 fetching corpus: 5850, signal 214394/293074 (executing program)
1970/01/01 00:09:09 fetching corpus: 5900, signal 214959/293900 (executing program)
1970/01/01 00:09:11 fetching corpus: 5950, signal 215517/294680 (executing program)
1970/01/01 00:09:14 fetching corpus: 6000, signal 216101/295467 (executing program)
1970/01/01 00:09:15 fetching corpus: 6050, signal 216606/296248 (executing program)
1970/01/01 00:09:17 fetching corpus: 6100, signal 217230/297067 (executing program)
1970/01/01 00:09:20 fetching corpus: 6150, signal 217792/297868 (executing program)
1970/01/01 00:09:22 fetching corpus: 6200, signal 218325/298629 (executing program)
1970/01/01 00:09:25 fetching corpus: 6250, signal 218954/299409 (executing program)
1970/01/01 00:09:27 fetching corpus: 6300, signal 219447/300130 (executing program)
1970/01/01 00:09:29 fetching corpus: 6350, signal 220103/300900 (executing program)
1970/01/01 00:09:30 fetching corpus: 6400, signal 220554/301657 (executing program)
1970/01/01 00:09:32 fetching corpus: 6450, signal 221082/302459 (executing program)
1970/01/01 00:09:34 fetching corpus: 6500, signal 221636/303227 (executing program)
1970/01/01 00:09:36 fetching corpus: 6550, signal 222242/303952 (executing program)
1970/01/01 00:09:38 fetching corpus: 6600, signal 222747/304686 (executing program)
1970/01/01 00:09:40 fetching corpus: 6650, signal 223347/305440 (executing program)
1970/01/01 00:09:42 fetching corpus: 6700, signal 223861/306175 (executing program)
1970/01/01 00:09:44 fetching corpus: 6750, signal 224404/306867 (executing program)
1970/01/01 00:09:45 fetching corpus: 6800, signal 224794/307536 (executing program)
1970/01/01 00:09:47 fetching corpus: 6850, signal 225153/308211 (executing program)
1970/01/01 00:09:51 fetching corpus: 6900, signal 225600/308865 (executing program)
1970/01/01 00:09:54 fetching corpus: 6950, signal 226057/309545 (executing program)
1970/01/01 00:09:57 fetching corpus: 7000, signal 226450/310209 (executing program)
1970/01/01 00:09:58 fetching corpus: 7050, signal 227017/310901 (executing program)
[ 1139.906850][    C0] INFO: timekeeping: Cycle offset (5368371945) is larger than the 'riscv_clocksource' clock's 50% safety margin (4952755080)
[ 1139.907390][    C0]       timekeeping: Your kernel is still fine, but is feeling a bit nervous
1970/01/01 00:18:58 Manager.Poll call failed: read tcp 127.0.0.1:56526->127.0.0.1:42807: i/o timeout

VM DIAGNOSIS:
02:34:50  Registers:
info registers vcpu 0
 pc       ffffffff800d139c
 mhartid  0000000000000000
 mstatus  00000000000001a0
 mip      00000000000000a0
 mie      000000000000020a
 mideleg  0000000000000222
 medeleg  000000000000b109
 mtvec    0000000080000540
 stvec    ffffffff80005050
 mepc     ffffffff8000ef2c
 sepc     ffffffff803eb3ea
 mcause   0000000000000009
 scause   8000000000000005
 mtval  0000000000000000
 stval  0000000000000000
 x0/zero 0000000000000000 x1/ra ffffffff82bd7058 x2/sp ffffffff83c03200 x3/gp ffffffff83f9a558
 x4/tp ffffffff83c39800 x5/t0 ffffffff83c02df8 x6/t1 ffffffc40b5bb321 x7/t2 0000000000000000
 x8/s0 ffffffff83c03210 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff
 x12/a2 1ffffffff0787301 x13/a3 ffffffff80105aaa x14/a4 0000000000010103 x15/a5 0000000000000000
 x16/a6 0000000000f00000 x17/a7 ffffffe05add990b x18/s2 ffffffe05adcb240 x19/s3 ffffffff83d2b438
 x20/s4 ffffffe05adcb1c0 x21/s5 ffffffff82e27880 x22/s6 ffffffffffffffff x23/s7 0000000000000000
 x24/s8 ffffffff85302728 x25/s9 ffffffe05adcbb50 x26/s10 ffffffe05adcb1c0 x27/s11 ffffffff83c39800
 x28/t3 51f94e1f0845b100 x29/t4 ffffffc40b5bb321 x30/t5 ffffffc40b5bb322 x31/t6 ffffffff83c02f18
 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000
 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000
 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000
 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000
 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000
 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000
 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000
info registers vcpu 1
 pc       ffffffff800d7402
 mhartid  0000000000000001
 mstatus  00000000000000a2
 mip      0000000000000000
 mie      00000000000002aa
 mideleg  0000000000000222
 medeleg  000000000000b109
 mtvec    0000000080000540
 stvec    ffffffff80005050
 mepc     ffffffff80a08c7a
 sepc     ffffffff82be3fbc
 mcause   8000000000000003
 scause   8000000000000001
 mtval  0000000000000000
 stval  0000000000000000
 x0/zero 0000000000000000 x1/ra ffffffff800d4b0a x2/sp ffffffe00b127150 x3/gp ffffffff83f9a558
 x4/tp ffffffe007e22f80 x5/t0 ffffffe00586c4a8 x6/t1 0000000000000001 x7/t2 0000000000000000
 x8/s0 ffffffe00b127150 x9/s1 0000000000000002 x10/a0 ffffffe007e23978 x11/a1 0000000000000003
 x12/a2 1ffffffc00fc4725 x13/a3 ffffffff800d7a10 x14/a4 0000000000000000 x15/a5 51f94e1f0845b100
 x16/a6 0000000000000000 x17/a7 ffffffff803ea26c x18/s2 ffffffff84ddc7d0 x19/s3 ffffffff83fb0590
 x20/s4 ffffffe007e23f80 x21/s5 ffffffe007e23928 x22/s6 ffffffff83fb0590 x23/s7 ffffffe007e23980
 x24/s8 ffffffe007e22f80 x25/s9 0000000031369a1f x26/s10 0000000000000000 x27/s11 538a1960eed8b800
 x28/t3 51f94e1f0845b100 x29/t4 ffffffc40b5beb21 x30/t5 ffffffc40b5beb22 x31/t6 0000000000081678
 f0/ft0 7ff0000000000000 f1/ft1 0000000000000000 f2/ft2 4120000000000000 f3/ft3 40d483133ca166c7
 f4/ft4 4122e1d800000000 f5/ft5 4039646eea247c5c f6/ft6 0000000000000000 f7/ft7 0000000000000000
 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000
 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000
 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000
 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000
 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000