syzkaller login: [ 232.881064][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 232.923413][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 232.963882][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 233.011949][ T1862] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:10844' (ECDSA) to the list of known hosts. 1970/01/01 00:04:39 fuzzer started 1970/01/01 00:04:49 dialing manager at localhost:38777 [ 298.755886][ T2030] cgroup: Unknown subsys name 'net' [ 299.564346][ T2030] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:04:59 syscalls: 2750 1970/01/01 00:04:59 code coverage: enabled 1970/01/01 00:04:59 comparison tracing: enabled 1970/01/01 00:04:59 extra coverage: enabled 1970/01/01 00:04:59 setuid sandbox: enabled 1970/01/01 00:04:59 namespace sandbox: enabled 1970/01/01 00:04:59 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:04:59 fault injection: enabled 1970/01/01 00:04:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:04:59 net packet injection: enabled 1970/01/01 00:04:59 net device setup: enabled 1970/01/01 00:04:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:04:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:04:59 USB emulation: enabled 1970/01/01 00:04:59 hci packet injection: /dev/vhci does not exist 1970/01/01 00:04:59 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:04:59 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:04:59 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:04 fetching corpus: 50, signal 38570/42161 (executing program) 1970/01/01 00:05:08 fetching corpus: 100, signal 60408/65467 (executing program) 1970/01/01 00:05:10 fetching corpus: 150, signal 73989/80485 (executing program) 1970/01/01 00:05:12 fetching corpus: 198, signal 84019/91846 (executing program) 1970/01/01 00:05:14 fetching corpus: 248, signal 89494/98677 (executing program) 1970/01/01 00:05:19 fetching corpus: 298, signal 97852/108238 (executing program) 1970/01/01 00:05:22 fetching corpus: 346, signal 107212/118709 (executing program) 1970/01/01 00:05:25 fetching corpus: 396, signal 114232/126824 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safety margin (4952755080) [ 1145.180820][ C0] timekeeping: Your kernel is still fine, but is feeling a bit nervous 1970/01/01 00:19:04 Manager.Poll call failed: reading body read tcp 127.0.0.1:38936->127.0.0.1:38777: i/o timeout VM DIAGNOSIS: 03:43:57 Registers: info registers vcpu 0 pc ffffffff800d139c mhartid 0000000000000000 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff8003315e sepc ffffffff8003315e mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff82bd4d40 x2/sp ffffffe0065eb6e0 x3/gp ffffffff83f9a398 x4/tp ffffffe00c978000 x5/t0 0000000000046000 x6/t1 ffffffc40b5beb21 x7/t2 0000000000000000 x8/s0 ffffffe0065eb6f0 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffffffc0192f001 x13/a3 ffffffff80105aaa x14/a4 0000000000010003 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffe05adf590b x18/s2 ffffffff83f9e1f0 x19/s3 ffffffff83d2b438 x20/s4 ffffffe05ade71d8 x21/s5 ffffffff82e27880 x22/s6 ffffffffffffffff x23/s7 0000000000000000 x24/s8 ffffffff85302728 x25/s9 ffffffff83f9e0d0 x26/s10 ffffffe05ade71c0 x27/s11 ffffffff801473d8 x28/t3 9010758093f43600 x29/t4 ffffffc40b5beb21 x30/t5 ffffffc40b5beb22 x31/t6 0000000000000007 f0/ft0 0000000000000000 f1/ft1 4096ee83648f7cd1 f2/ft2 414ca17000000000 f3/ft3 40e2ed1e4749dd65 f4/ft4 412c490000000000 f5/ft5 40331663f6fac913 f6/ft6 3fe04104e599e84a f7/ft7 3fa0dd1b266b5170 f8/fs0 3fec98492788ef00 f9/fs1 3f9429e5fd4958e0 f10/fa0 3f8f6b2fe48aabde 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 ffffffff800d139c mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff800d7a6c sepc ffffffff803eb28e mcause 8000000000000003 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff82bd4d40 x2/sp ffffffe00a83e870 x3/gp ffffffff83f9a398 x4/tp ffffffe00ca42f80 x5/t0 ffffffff852b6bd7 x6/t1 ffffffc40b5bb321 x7/t2 0000000000000000 x8/s0 ffffffe00a83e880 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffffffc019485f1 x13/a3 ffffffff80105aaa x14/a4 0000000000010106 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffe05add990b x18/s2 ffffffff83f9e1f0 x19/s3 ffffffff83d2b438 x20/s4 ffffffe05adc87c8 x21/s5 ffffffff82e27880 x22/s6 ffffffffffffffff x23/s7 0000000000000040 x24/s8 ffffffff85302728 x25/s9 ffffffff83f9e0d0 x26/s10 ffffffe05adc87f8 x27/s11 ffffffe05adc87c0 x28/t3 9010758093f43600 x29/t4 ffffffc40b5bb321 x30/t5 ffffffc40b5bb322 x31/t6 ffffffe00a83e898 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