syzkaller login: [ 48.902585][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 48.904814][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 48.905980][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:12008' (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 [ 63.377744][ T2230] cgroup: Unknown subsys name 'net' [ 63.512500][ T2230] cgroup: Unknown subsys name 'hugetlb' [ 63.513415][ T2230] 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 00:01:26 starting 2 fuzzer processes 00:01:26 executing program 0: socketpair(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) dup3(r2, r1, 0x0) dup3(r1, r0, 0x0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000000c0)={0x0, @in={{0x2, 0x0, @empty}}}, &(0x7f0000000040)=0x88) 00:01:26 executing program 1: r0 = socket$inet_sctp(0x2, 0x1, 0x84) listen(r0, 0x80000001) r1 = dup2(r0, r0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000000080)=[@in6={0xa, 0x0, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}], 0x1c) panic: unaligned 64-bit atomic operation goroutine 10 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0xcb27c4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0xf28b80, 0xc12b98, 0xf29180, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0xf28b80, 0xc12b98, 0xf29180, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0xf28b80) /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: 10:27:33 Registers: info registers vcpu 0 R00=00000000 R01=81d87f60 R02=5bb2a000 R03=810bb424 R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=830e2f00 R11=df801ed4 R12=df801ed8 R13=df801ec8 R14=802fb1ec R15=810bb434 PSR=20000193 --C- A S svc32 s00=373d201b s01=c94e137c d00=c94e137c373d201b s02=303a3130 s03=65662033 d01=65662033303a3130 s04=69686374 s05=6320676e d02=6320676e69686374 s06=7570726f s07=30203a73 d03=30203a737570726f s08=6973202c s09=6c616e67 d04=6c616e676973202c s10=302f3020 s11=78652820 d05=78652820302f3020 s12=74756365 s13=20676e69 d06=20676e6974756365 s14=676f7270 s15=296d6172 d07=296d6172676f7270 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=d6cd15c9 s33=ee5db56a d16=ee5db56ad6cd15c9 s34=51259b3f s35=788ec49f d17=788ec49f51259b3f s36=44e0a4fb s37=6332f195 d18=6332f19544e0a4fb s38=84f551ab s39=62667eb5 d19=62667eb584f551ab s40=6551ba2a s41=36a75acd d20=36a75acd6551ba2a s42=44aa8459 s43=58900b64 d21=58900b6444aa8459 s44=06e10590 s45=696391db d22=696391db06e10590 s46=2358e1b6 s47=61918bed d23=61918bed2358e1b6 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=35583e3b s53=af5fee05 d26=af5fee0535583e3b s54=c06fe577 s55=f591f145 d27=f591f145c06fe577 s56=8b0eb27b s57=02115e9e d28=02115e9e8b0eb27b s58=46c400df s59=5d6e4e84 d29=5d6e4e8446c400df s60=7478a936 s61=68fef69e d30=68fef69e7478a936 s62=f10a4214 s63=38bdb5c3 d31=38bdb5c3f10a4214 FPSCR: 00000000 info registers vcpu 1 R00=00000004 R01=010447c0 R02=00000034 R03=00000000 R04=01030ef8 R05=00000034 R06=76f2bda0 R07=00000004 R08=00000001 R09=00000004 R10=00000004 R11=004f64e9 R12=00532b24 R13=7e842600 R14=004cbe38 R15=76b627bc PSR=60030010 -ZC- A S usr32 s00=ec16583d s01=0548914d d00=0548914dec16583d s02=2c273030 s03=30783020 d01=307830202c273030 s04=05692023 s05=017a1627 d02=017a162705692023 s06=21ca4bdb s07=874bbecc d03=874bbecc21ca4bdb s08=ab5acd1e s09=7e575bb4 d04=7e575bb4ab5acd1e s10=1f3eed02 s11=b384ec6f d05=b384ec6f1f3eed02 s12=00000005 s13=00000000 d06=0000000000000005 s14=00000000 s15=1c000000 d07=1c00000000000000 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=8a7902bd s33=301c89e1 d16=301c89e18a7902bd s34=2b211123 s35=9b08094e d17=9b08094e2b211123 s36=83ee0034 s37=f056fb89 d18=f056fb8983ee0034 s38=5b197d7d s39=8dbf533a d19=8dbf533a5b197d7d s40=9c14db65 s41=321a68b0 d20=321a68b09c14db65 s42=58a732e5 s43=3cacb626 d21=3cacb62658a732e5 s44=6c54790b s45=f3448322 d22=f34483226c54790b s46=a7b51ed9 s47=dac80299 d23=dac80299a7b51ed9 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=4f535f50 s53=504f4b43 d26=504f4b434f535f50 s54=4f435f54 s55=43454e4e d27=43454e4e4f435f54 s56=72285854 s57=30202c31 d28=30202c3172285854 s58=2c343878 s59=36783020 d29=367830202c343878 s60=26202c65 s61=37783028 d30=3778302826202c65 s62=30303066 s63=30303030 d31=3030303030303066 FPSCR: 00000000