syzkaller login: [ 50.783231][ T2084] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.785270][ T2084] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.786759][ T2084] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:3910' (ECDSA) to the list of known hosts. [ 58.869468][ C0] hrtimer: interrupt took 29886384 ns 1970/01/01 00:01:01 fuzzer started 1970/01/01 00:01:03 dialing manager at localhost:40707 [ 64.360030][ T2231] cgroup: Unknown subsys name 'net' [ 64.482572][ T2231] cgroup: Unknown subsys name 'hugetlb' [ 64.483434][ T2231] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:01:04 syscalls: 2914 1970/01/01 00:01:04 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:04 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:04 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:04 delay kcov mmap: CONFIG_KCOV is not enabled 1970/01/01 00:01:04 setuid sandbox: enabled 1970/01/01 00:01:04 namespace sandbox: enabled 1970/01/01 00:01:04 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:04 fault injection: enabled 1970/01/01 00:01:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:04 net packet injection: enabled 1970/01/01 00:01:04 net device setup: enabled 1970/01/01 00:01:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:04 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:04 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:01:04 USB emulation: enabled 1970/01/01 00:01:04 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:04 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:04 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:01:04 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:04 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:26 starting 2 fuzzer processes 00:01:26 executing program 0: r0 = openat$sequencer(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, 0x0) 00:01:26 executing program 1: r0 = socket$inet_sctp(0x2, 0x5, 0x84) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getpeername(r1, &(0x7f0000000100)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff}}, &(0x7f0000000040)=0x80) dup3(r0, r2, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000000), &(0x7f0000000080)=0x4) 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(0x25a5bc4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x24920c0, 0x24d2490, 0x2612960, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x24920c0, 0x24d2490, 0x2612960, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x24920c0) /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: 09:31:41 Registers: info registers vcpu 0 R00=84315600 R01=00000000 R02=84363a5c R03=00000000 R04=84315600 R05=83e90e00 R06=00000001 R07=00000000 R08=00000007 R09=00000000 R10=84363a50 R11=df801ad4 R12=df801aa4 R13=df8019d8 R14=806883e4 R15=80687988 PSR=60030113 -ZC- A S svc32 s00=696d6f74 s01=72615f63 d00=72615f63696d6f74 s02=656d6974 s03=746e692f d01=746e692f656d6974 s04=616e7265 s05=74612f6c d02=74612f6c616e7265 s06=63696d6f s07=6461582e d03=6461582e63696d6f s08=28343664 s09=35327830 d04=3532783028343664 s10=63623561 s11=30202c34 d05=30202c3463623561 s12=0a293178 s13=73752f09 d06=73752f090a293178 s14=6f6c2f72 s15=2f6c6163 d07=2f6c61636f6c2f72 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=839ffbaa s33=9af62027 d16=9af62027839ffbaa s34=65d8b7b2 s35=724d95bc d17=724d95bc65d8b7b2 s36=4114bbd9 s37=a98ba5f7 d18=a98ba5f74114bbd9 s38=ed8e0b6b s39=ac50f2f2 d19=ac50f2f2ed8e0b6b s40=0289928f s41=4ab41b52 d20=4ab41b520289928f s42=68809881 s43=cb6c6dfc d21=cb6c6dfc68809881 s44=409dd2b5 s45=5397dc43 d22=5397dc43409dd2b5 s46=051b74ff s47=291f2592 d23=291f2592051b74ff s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=66666666 s53=7d666666 d26=7d66666666666666 s54=65670a29 s55=65657074 d27=6565707465670a29 s56=6d616e72 s57=31722865 d28=317228656d616e72 s58=2826202c s59=66377830 d29=663778302826202c s60=30303030 s61=31303030 d30=3130303030303030 s62=3d293030 s63=70707040 d31=707070403d293030 FPSCR: 00000000 info registers vcpu 1 R00=83f05960 R01=83f05960 R02=00000001 R03=810bb424 R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=00000004 R11=df975ebc R12=df975ec0 R13=df975eb0 R14=802fb1ec R15=810bb434 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