syzkaller login: [ 230.231315][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 239.813240][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 239.887426][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 239.929256][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:5414' (ECDSA) to the list of known hosts. 1970/01/01 00:05:01 fuzzer started 1970/01/01 00:05:12 dialing manager at localhost:43407 [ 318.082255][ T1998] cgroup: Unknown subsys name 'net' [ 318.839209][ T1998] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:18 syscalls: 2796 1970/01/01 00:05:18 code coverage: enabled 1970/01/01 00:05:18 comparison tracing: enabled 1970/01/01 00:05:18 extra coverage: enabled 1970/01/01 00:05:18 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:18 setuid sandbox: enabled 1970/01/01 00:05:18 namespace sandbox: enabled 1970/01/01 00:05:18 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:18 fault injection: enabled 1970/01/01 00:05:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:18 net packet injection: enabled 1970/01/01 00:05:18 net device setup: enabled 1970/01/01 00:05:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:18 USB emulation: enabled 1970/01/01 00:05:18 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:18 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:18 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:19 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:22 fetching corpus: 50, signal 26087/29725 (executing program) 1970/01/01 00:05:26 fetching corpus: 99, signal 44598/49699 (executing program) 1970/01/01 00:05:30 fetching corpus: 149, signal 54058/60538 (executing program) 1970/01/01 00:05:32 fetching corpus: 199, signal 60471/68329 (executing program) 1970/01/01 00:05:35 fetching corpus: 249, signal 66506/75690 (executing program) 1970/01/01 00:05:37 fetching corpus: 299, signal 71013/81466 (executing program) 1970/01/01 00:05:39 fetching corpus: 349, signal 75602/87272 (executing program) 1970/01/01 00:05:41 fetching corpus: 398, signal 80561/93390 (executing program) 1970/01/01 00:05:43 fetching corpus: 448, signal 83607/97645 (executing program) 1970/01/01 00:05:46 fetching corpus: 498, signal 87437/102588 (executing program) 1970/01/01 00:05:47 fetching corpus: 546, signal 89756/106108 (executing program) 1970/01/01 00:05:49 fetching corpus: 596, signal 91955/109454 (executing program) 1970/01/01 00:05:51 fetching corpus: 646, signal 93974/112628 (executing program) 1970/01/01 00:05:53 fetching corpus: 696, signal 96138/115888 (executing program) 1970/01/01 00:05:55 fetching corpus: 746, signal 98877/119638 (executing program) 1970/01/01 00:05:57 fetching corpus: 796, signal 100835/122660 (executing program) 1970/01/01 00:05:59 fetching corpus: 846, signal 103159/125923 (executing program) 1970/01/01 00:06:01 fetching corpus: 896, signal 106013/129653 (executing program) 1970/01/01 00:06:05 fetching corpus: 945, signal 108447/133027 (executing program) 1970/01/01 00:06:07 fetching corpus: 995, signal 110401/135916 (executing program) 1970/01/01 00:06:09 fetching corpus: 1045, signal 112073/138577 (executing program) 1970/01/01 00:06:13 fetching corpus: 1095, signal 114059/141484 (executing program) 1970/01/01 00:06:15 fetching corpus: 1145, signal 115204/143597 (executing program) 1970/01/01 00:06:18 fetching corpus: 1194, signal 117010/146221 (executing program) 1970/01/01 00:06:19 fetching corpus: 1244, signal 118486/148583 (executing program) 1970/01/01 00:06:21 fetching corpus: 1294, signal 120172/151108 (executing program) 1970/01/01 00:06:23 fetching corpus: 1344, signal 122051/153736 (executing program) 1970/01/01 00:06:26 fetching corpus: 1394, signal 123633/156094 (executing program) 1970/01/01 00:06:28 fetching corpus: 1444, signal 125054/158323 (executing program) 1970/01/01 00:06:29 fetching corpus: 1494, signal 127572/161367 (executing program) 1970/01/01 00:06:32 fetching corpus: 1543, signal 130132/164424 (executing program) 1970/01/01 00:06:34 fetching corpus: 1593, signal 132043/166974 (executing program) 1970/01/01 00:06:36 fetching corpus: 1643, signal 133488/169122 (executing program) 1970/01/01 00:06:38 fetching corpus: 1693, signal 135589/171766 (executing program) 1970/01/01 00:06:40 fetching corpus: 1743, signal 137303/174100 (executing program) 1970/01/01 00:06:42 fetching corpus: 1793, signal 138391/175937 (executing program) 1970/01/01 00:06:44 fetching corpus: 1843, signal 139247/177555 (executing program) 1970/01/01 00:06:46 fetching corpus: 1892, signal 140508/179530 (executing program) 1970/01/01 00:06:47 fetching corpus: 1942, signal 141705/181353 (executing program) 1970/01/01 00:06:49 fetching corpus: 1992, signal 142931/183244 (executing program) 1970/01/01 00:06:52 fetching corpus: 2042, signal 143803/184806 (executing program) 1970/01/01 00:06:54 fetching corpus: 2091, signal 145240/186859 (executing program) 1970/01/01 00:06:57 fetching corpus: 2141, signal 146449/188659 (executing program) 1970/01/01 00:06:59 fetching corpus: 2190, signal 147518/190345 (executing program) [ 920.931390][ C1] INFO: timekeeping: Cycle offset (5002076869) is larger than the 'riscv_clocksource' clock's 50% safety margin (4952755080) [ 920.932023][ C1] timekeeping: Your kernel is still fine, but is feeling a bit nervous VM DIAGNOSIS: 22:07:10 Registers: info registers vcpu 0 pc ffffffff800db028 mhartid 0000000000000000 mstatus 00000000000001a0 mip 00000000000000a2 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff8000ef2c sepc ffffffff8000538a mcause 8000000000000003 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff800db014 x2/sp ffffffe00584b930 x3/gp ffffffff83f9a558 x4/tp ffffffe005810000 x5/t0 ffffffff852b6bd7 x6/t1 0000000000000001 x7/t2 0000000000000000 x8/s0 ffffffe00584b9f0 x9/s1 ffffffff82e27880 x10/a0 ffffffe05ade4880 x11/a1 0000000000000003 x12/a2 1ffffffc0b5bc910 x13/a3 ffffffff800db014 x14/a4 0000000000000000 x15/a5 0000000000000120 x16/a6 0000000000f00000 x17/a7 ffffffff8009419a x18/s2 ffffffff85302728 x19/s3 ffffffe05ade4880 x20/s4 0000000000000001 x21/s5 0000000000000000 x22/s6 ffffffe05adf4a98 x23/s7 0000000000000000 x24/s8 0000000000000000 x25/s9 ffffffff8009419a x26/s10 ffffffff83f9e0d0 x27/s11 0000000000000000 x28/t3 f7de3c73e559ef00 x29/t4 ffffffc40b5beb21 x30/t5 ffffffc40b5beb22 x31/t6 ffffffe00584b838 f0/ft0 3fd11f2cbf74c76e f1/ft1 3fd0000000000000 f2/ft2 3fd1c37c88a96e85 f3/ft3 41b57bc374000000 f4/ft4 3ff0000000000000 f5/ft5 4000000000000000 f6/ft6 3fe1849d8aa14478 f7/ft7 3fb28b52bb708a28 f8/fs0 3fee81aa2cf57884 f9/fs1 3fabe2a3a590a2b0 f10/fa0 3f95025c398647da 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 ffffffff803eb206 mhartid 0000000000000001 mstatus 00000000000000a0 mip 00000000000002a2 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff803eb206 sepc ffffffff800da7d4 mcause 8000000000000003 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff803eb1e8 x2/sp ffffffe0057832d0 x3/gp ffffffff83f9a558 x4/tp ffffffe0057fc740 x5/t0 ffffffe007e482e0 x6/t1 0000000000000001 x7/t2 0000000000000000 x8/s0 ffffffe005783360 x9/s1 0000000000000010 x10/a0 ffffffe05adc8880 x11/a1 0000000000000003 x12/a2 1ffffffc0b5b9110 x13/a3 ffffffff800db014 x14/a4 f7de3c73e559ef00 x15/a5 0000000000080800 x16/a6 0000000000f00000 x17/a7 ffffffff803eb1a8 x18/s2 ffffffe05add73e0 x19/s3 0000000000000a20 x20/s4 ffffffff85302728 x21/s5 ffffffff83f9e558 x22/s6 ffffffff821cf56a x23/s7 0000000000000000 x24/s8 0000000000081000 x25/s9 ffffffe05ade01b0 x26/s10 ffffffe00798c500 x27/s11 0000000000000000 x28/t3 f7de3c73e559ef00 x29/t4 ffffffc40b5bb321 x30/t5 ffffffc40b5bb322 x31/t6 ffffffe007e48078 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