syzkaller login: [ 46.520462][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 46.522705][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 46.523741][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:37309' (ECDSA) to the list of known hosts. 1970/01/01 00:01:00 fuzzer started 1970/01/01 00:01:03 dialing manager at localhost:40707 [ 64.222247][ T2229] cgroup: Unknown subsys name 'net' [ 64.382983][ T2229] cgroup: Unknown subsys name 'hugetlb' [ 64.384138][ T2229] 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 00:01:28 starting 2 fuzzer processes 00:01:28 executing program 1: r0 = openat$mixer(0xffffff9c, &(0x7f0000000080), 0x0, 0x0) r1 = dup(r0) ioctl$F2FS_IOC_MOVE_RANGE(r1, 0xc020f509, &(0x7f0000001240)) panic: unaligned 64-bit atomic operation goroutine 28 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x256dbc4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x26b2c20, 0x26063f0, 0x26b3600, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x26b2c20, 0x26063f0, 0x26b3600, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x26b2c20) /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: 06:27:36 Registers: info registers vcpu 0 R00=00000002 R01=027a3c9b R02=00000001 R03=00000000 R04=00000000 R05=027a3c38 R06=00000000 R07=00000004 R08=00000000 R09=00000000 R10=02482870 R11=00000005 R12=00000000 R13=027a3c08 R14=0004b4a4 R15=0007fdc4 PSR=60000010 -ZC- A S usr32 s00=00606661 s01=ff000000 d00=ff00000000606661 s02=72c74282 s03=d687b85d d01=d687b85d72c74282 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=3c9eb4ac s33=15225ac9 d16=15225ac93c9eb4ac s34=01f4aacd s35=321f5b53 d17=321f5b5301f4aacd s36=f695597c s37=1db3dff6 d18=1db3dff6f695597c s38=60d16297 s39=6b394a97 d19=6b394a9760d16297 s40=5d5dcf29 s41=5638ca57 d20=5638ca575d5dcf29 s42=e1750ec5 s43=b872958c d21=b872958ce1750ec5 s44=f14a10bc s45=68cc90fd d22=68cc90fdf14a10bc s46=ee6b6c44 s47=4ce24bb8 d23=4ce24bb8ee6b6c44 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=b2afa140 s53=77fd2f12 d26=77fd2f12b2afa140 s54=e183b207 s55=fe1c56e3 d27=fe1c56e3e183b207 s56=16f3da08 s57=df8d1d41 d28=df8d1d4116f3da08 s58=1f6292f3 s59=be64badb d29=be64badb1f6292f3 s60=09d23859 s61=3e820cdd d30=3e820cdd09d23859 s62=cd22eacf s63=06e107a8 d31=06e107a8cd22eacf FPSCR: 00000000 info registers vcpu 1 R00=84a80040 R01=00000054 R02=ddea0a1c R03=00000054 R04=842d6380 R05=00000054 R06=000005b4 R07=00000000 R08=00000001 R09=00000054 R10=00000000 R11=df961c4c R12=df961c50 R13=df961c40 R14=810bb458 R15=810bb434 PSR=60030013 -ZC- A S svc32 s00=2e64656e s01=383a6f67 d00=383a6f672e64656e s02=2c293038 s03=30783020 d01=307830202c293038 s04=7830202c s05=720a2930 d02=720a29307830202c s06=203d2031 s07=28707564 d03=28707564203d2031 s08=0a293072 s09=74636f69 d04=74636f690a293072 s10=3246246c s11=495f5346 d05=495f53463246246c s12=4d5f434f s13=5f45564f d06=5f45564f4d5f434f s14=474e4152 s15=31722845 d07=31722845474e4152 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=3c9eb4ac s33=15225ac9 d16=15225ac93c9eb4ac s34=01f4aacd s35=321f5b53 d17=321f5b5301f4aacd s36=f695597c s37=1db3dff6 d18=1db3dff6f695597c s38=60d16297 s39=6b394a97 d19=6b394a9760d16297 s40=5d5dcf29 s41=5638ca57 d20=5638ca575d5dcf29 s42=e1750ec5 s43=b872958c d21=b872958ce1750ec5 s44=f14a10bc s45=68cc90fd d22=68cc90fdf14a10bc s46=ee6b6c44 s47=4ce24bb8 d23=4ce24bb8ee6b6c44 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=b2afa140 s53=77fd2f12 d26=77fd2f12b2afa140 s54=e183b207 s55=fe1c56e3 d27=fe1c56e3e183b207 s56=16f3da08 s57=df8d1d41 d28=df8d1d4116f3da08 s58=1f6292f3 s59=be64badb d29=be64badb1f6292f3 s60=09d23859 s61=3e820cdd d30=3e820cdd09d23859 s62=cd22eacf s63=06e107a8 d31=06e107a8cd22eacf FPSCR: 00000000