syzkaller login: [ 36.563850][ T2083] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 36.565398][ T2083] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:17060' (ECDSA) to the list of known hosts. [ 37.243220][ T2083] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. 1970/01/01 00:00:40 fuzzer started 1970/01/01 00:00:42 dialing manager at localhost:45239 [ 42.886660][ T2230] cgroup: Unknown subsys name 'net' [ 43.013224][ T2230] cgroup: Unknown subsys name 'hugetlb' [ 43.015163][ T2230] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:00:43 syscalls: 2904 1970/01/01 00:00:43 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:00:43 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:00:43 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:00:43 delay kcov mmap: CONFIG_KCOV is not enabled 1970/01/01 00:00:43 setuid sandbox: enabled 1970/01/01 00:00:43 namespace sandbox: enabled 1970/01/01 00:00:43 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:00:43 fault injection: enabled 1970/01/01 00:00:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:00:43 net packet injection: enabled 1970/01/01 00:00:43 net device setup: enabled 1970/01/01 00:00:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:00:43 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:00:43 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:00:43 USB emulation: enabled 1970/01/01 00:00:43 hci packet injection: /dev/vhci does not exist 1970/01/01 00:00:43 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:00:43 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:00:43 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:00:43 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:00:58 starting 2 fuzzer processes 00:00:58 executing program 0: prctl$PR_GET_CHILD_SUBREAPER(0x25) 00:00:58 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) recvmsg$unix(r2, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@cred={{0x18, 0x1, 0x2, {0x0}}}], 0x18}, 0x0) syz_open_procfs$userns(r3, &(0x7f0000000000)) panic: unaligned 64-bit atomic operation goroutine 13 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x29ec544, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x288e7e0, 0x28120d8, 0x288eb00, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x288e7e0, 0x28120d8, 0x288eb00, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x288e7e0) /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: 14:56:28 Registers: info registers vcpu 0 R00=825a01c0 R01=841cef00 R02=00000038 R03=810bb0dc R04=82687ec0 R05=00002d72 R06=00002d72 R07=00000000 R08=00000014 R09=00000000 R10=84393050 R11=df801a94 R12=df801a98 R13=df801a88 R14=810bb110 R15=810bb0ec PSR=60030113 -ZC- A S svc32 s00=616e5563 s01=6e67696c d00=6e67696c616e5563 s02=78307b7b s03=202c3831 d01=202c383178307b7b s04=715e13c1 s05=99ed5120 d02=99ed5120715e13c1 s06=dd3cc1e3 s07=ed61873c d03=ed61873cdd3cc1e3 s08=426aa27e s09=20d869d3 d04=20d869d3426aa27e s10=f0ee6853 s11=b11c9b97 d05=b11c9b97f0ee6853 s12=00000005 s13=00000000 d06=0000000000000005 s14=00000000 s15=21000000 d07=2100000000000000 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=fa63ee56 s33=6e458446 d16=6e458446fa63ee56 s34=9c896cdf s35=1a703bec d17=1a703bec9c896cdf s36=43512aa4 s37=72d09eb3 d18=72d09eb343512aa4 s38=14b3ba43 s39=47939a99 d19=47939a9914b3ba43 s40=fc5e8a69 s41=65c3358d d20=65c3358dfc5e8a69 s42=c99dcc34 s43=b016c11e d21=b016c11ec99dcc34 s44=8b7c0975 s45=2852f388 d22=2852f3888b7c0975 s46=7daf2573 s47=1f853cbe d23=1f853cbe7daf2573 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=70756420 s53=30722833 d26=3072283370756420 s54=3172202c s55=7830202c d27=7830202c3172202c s56=720a2930 s57=6d766365 d28=6d766365720a2930 s58=75246773 s59=2878696e d29=2878696e75246773 s60=202c3272 s61=78302826 d30=78302826202c3272 s62=30306637 s63=30303030 d31=3030303030306637 FPSCR: 00000000 info registers vcpu 1 R00=83f1aa60 R01=83f1aa60 R02=00000001 R03=810bb0dc R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=00000004 R11=df94debc R12=df94dec0 R13=df94deb0 R14=802fb1ec R15=810bb0ec PSR=60000093 -ZC- A S svc32 s00=000000ff s01=00000000 d00=00000000000000ff 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=63538263 s11=37010135 d05=3701013563538263 s12=0379010e s13=1a0f0c06 d06=1a0f0c060379010e s14=3633211c s15=39773b3a d07=39773b3a3633211c 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