syzkaller login: [ 41.408073][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 44.200509][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 44.201526][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:9846' (ECDSA) to the list of known hosts. 1970/01/01 00:00:53 fuzzer started 1970/01/01 00:00:56 dialing manager at localhost:40707 [ 57.092309][ T2230] cgroup: Unknown subsys name 'net' [ 57.229034][ T2230] cgroup: Unknown subsys name 'hugetlb' [ 57.231069][ T2230] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:00:57 syscalls: 2914 1970/01/01 00:00:57 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:00:57 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:00:57 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:00:57 delay kcov mmap: CONFIG_KCOV is not enabled 1970/01/01 00:00:57 setuid sandbox: enabled 1970/01/01 00:00:57 namespace sandbox: enabled 1970/01/01 00:00:57 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:00:57 fault injection: enabled 1970/01/01 00:00:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:00:57 net packet injection: enabled 1970/01/01 00:00:57 net device setup: enabled 1970/01/01 00:00:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:00:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:00:57 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:00:57 USB emulation: enabled 1970/01/01 00:00:57 hci packet injection: /dev/vhci does not exist 1970/01/01 00:00:57 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:00:57 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:00:57 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:00:57 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:19 starting 2 fuzzer processes 00:01:19 executing program 0: pipe2$watch_queue(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) ioctl$IOC_WATCH_QUEUE_SET_SIZE(r0, 0x5760, 0x16) 00:01:19 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) sendto$l2tp6(r1, 0x0, 0x0, 0x20000000, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x3}, 0x20) setsockopt$inet6_tcp_TCP_REPAIR(r1, 0x6, 0x13, &(0x7f0000000080)=0x1, 0x4) syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), r1) shutdown(r1, 0x0) panic: unaligned 64-bit atomic operation goroutine 27 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x15c0544, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x15c48e0, 0x1412ba0, 0x15c4e40, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x15c48e0, 0x1412ba0, 0x15c4e40, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x15c48e0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:76 +0xe8 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:307 +0x1740 VM DIAGNOSIS: 08:19:35 Registers: info registers vcpu 0 R00=00000001 R01=5bb3b000 R02=00000000 R03=810bb424 R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=8240c948 R11=df97dd04 R12=df97dd08 R13=df97dcf8 R14=802fb1ec R15=810bb434 PSR=80000093 N--- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 info registers vcpu 1 R00=825a01c0 R01=df975f50 R02=0000004f R03=810bb424 R04=82687ec0 R05=00000000 R06=00003dd6 R07=00003dd6 R08=df975a70 R09=df975e0c R10=0000000e R11=df975a1c R12=df975a20 R13=df975a10 R14=810bb458 R15=810bb434 PSR=60030013 -ZC- A S svc32 s00=48fab6cd s01=70c5edf3 d00=70c5edf348fab6cd s02=29303830 s03=3178303d d01=3178303d29303830 s04=be549d4f s05=5d4343d6 d02=5d4343d6be549d4f s06=6890db03 s07=45ae7555 d03=45ae75556890db03 s08=4c8219f3 s09=5cc07a16 d04=5cc07a164c8219f3 s10=75885d4a s11=b4937a58 d05=b4937a5875885d4a s12=00000005 s13=00000000 d06=0000000000000005 s14=00000000 s15=1d000000 d07=1d00000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=8f13a909 s33=bdf8296b d16=bdf8296b8f13a909 s34=0313373f s35=bdd62f2c d17=bdd62f2c0313373f s36=c6782eb1 s37=c9101881 d18=c9101881c6782eb1 s38=3907352b s39=85972be2 d19=85972be23907352b s40=fbebd11e s41=5c2f31b1 d20=5c2f31b1fbebd11e s42=97e6f4c8 s43=132e059f d21=132e059f97e6f4c8 s44=a9466218 s45=a03e410a d22=a03e410aa9466218 s46=c0144f0a s47=fb8a85b6 d23=fb8a85b6c0144f0a s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=7b3d2930 s53=2c617830 d26=2c6178307b3d2930 s54=30783020 s55=7830202c d27=7830202c30783020 s56=40202c30 s57=6f6d6572 d28=6f6d657240202c30 s58=202c6574 s59=7d337830 d29=7d337830202c6574 s60=7830202c s61=0a293032 d30=0a2930327830202c s62=73746573 s63=6f6b636f d31=6f6b636f73746573 FPSCR: 00000000