syzkaller login: [ 44.080071][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.286929][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.288105][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:51438' (ECDSA) to the list of known hosts. 1970/01/01 00:01:00 fuzzer started 1970/01/01 00:01:02 dialing manager at localhost:40707 [ 63.564104][ T2229] cgroup: Unknown subsys name 'net' [ 63.723291][ T2229] cgroup: Unknown subsys name 'hugetlb' [ 63.724275][ T2229] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:01:03 syscalls: 2914 1970/01/01 00:01:03 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 delay kcov mmap: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 setuid sandbox: enabled 1970/01/01 00:01:03 namespace sandbox: enabled 1970/01/01 00:01:03 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:03 fault injection: enabled 1970/01/01 00:01:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:03 net packet injection: enabled 1970/01/01 00:01:03 net device setup: enabled 1970/01/01 00:01:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:03 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:01:03 USB emulation: enabled 1970/01/01 00:01:03 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:03 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:03 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:01:03 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:03 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:25 starting 2 fuzzer processes 00:01:25 executing program 0: socketpair(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) dup3(r1, r0, 0x0) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000040), &(0x7f00000000c0)=0xc) panic: unaligned 64-bit atomic operation goroutine 9 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x1dc0544, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x1c0a500, 0x1c12bb0, 0x1d649a0, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x1c0a500, 0x1c12bb0, 0x1d649a0, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x1c0a500) /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: 04:37:42 Registers: info registers vcpu 0 R00=00000000 R01=00000001 R02=83ef0bc0 R03=00000000 R04=0000000e R05=01d1f930 R06=01d1d630 R07=00000000 R08=7ea57654 R09=83ef0bc0 R10=0000008e R11=df955f8c R12=00000000 R13=df955f40 R14=808090ec R15=804bc164 PSR=60030013 -ZC- A S svc32 s00=616e5563 s01=6e67696c d00=6e67696c616e5563 s02=78302826 s03=30306637 d01=3030663778302826 s04=00ff2410 s05=f4c9f1cd d02=f4c9f1cd00ff2410 s06=8fc26cc9 s07=008b9cf7 d03=008b9cf78fc26cc9 s08=316ac91e s09=be9e779f d04=be9e779f316ac91e s10=847ee3c8 s11=a9cc875d d05=a9cc875d847ee3c8 s12=00000005 s13=00000000 d06=0000000000000005 s14=00000000 s15=1a000000 d07=1a00000000000000 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=9e02da1f s33=172b7296 d16=172b72969e02da1f s34=ded2d04c s35=eb683ee1 d17=eb683ee1ded2d04c s36=3f6fa3f2 s37=98ccc60a d18=98ccc60a3f6fa3f2 s38=e74bf7f8 s39=0bc52f1d d19=0bc52f1de74bf7f8 s40=723b8763 s41=7afaee94 d20=7afaee94723b8763 s42=ab6de17f s43=8c241656 d21=8c241656ab6de17f s44=6b5d43d3 s45=5b9cb19c d22=5b9cb19c6b5d43d3 s46=c6566be4 s47=fb475c56 d23=fb475c56c6566be4 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=34387830 s53=75640a29 d26=75640a2934387830 s54=72283370 s55=72202c31 d27=72202c3172283370 s56=30202c30 s57=0a293078 d28=0a29307830202c30 s58=73746567 s59=6f6b636f d29=6f6b636f73746567 s60=69247470 s61=5f74656e d30=5f74656e69247470 s62=70746373 s63=5443535f d31=5443535f70746373 FPSCR: 00000000 info registers vcpu 1 R00=83ef41e0 R01=83ef41e0 R02=00000001 R03=810bb424 R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=00000004 R11=df97debc R12=df97dec0 R13=df97deb0 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