syzkaller login: [ 40.625970][ T2080] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 48.002947][ T2080] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 48.004229][ T2080] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:6686' (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 [ 63.999597][ T2228] cgroup: Unknown subsys name 'net' [ 64.151207][ T2228] cgroup: Unknown subsys name 'hugetlb' [ 64.153721][ T2228] 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 00:01:25 starting 2 fuzzer processes 00:01:25 executing program 1: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) dup(r1) 00:01:25 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_SESSION_CREATE(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14}, 0x14}}, 0x40080) panic: unaligned 64-bit atomic operation goroutine 27 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x28c47c4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x280a200, 0x2813c78, 0x28a58e0, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x280a200, 0x2813c78, 0x28a58e0, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x280a200) /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 panic: unaligned 64-bit atomic operation goroutine 26 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x28c47c4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x280a1c0, 0x2813c78, 0x28a5a00, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x280a1c0, 0x2813c78, 0x28a5a00, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x280a1c0) /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: 04:21:59 Registers: info registers vcpu 0 R00=00000000 R01=00000000 R02=000dbd81 R03=8021c360 R04=8241ad40 R05=8240c494 R06=00000000 R07=8240c4dc R08=00000000 R09=00000000 R10=825d57de R11=82401efc R12=82401f00 R13=82401ef0 R14=80208ed4 R15=8021c368 PSR=60000093 -ZC- A S svc32 s00=6d616e20 s01=72272065 d00=722720656d616e20 s02=65636552 s03=64657669 d01=6465766965636552 s04=73696420 s05=6e6e6f63 d02=6e6e6f6373696420 s06=20746365 s07=6d6f7266 d03=6d6f726620746365 s08=2e303120 s09=2e322e30 d04=2e322e302e303120 s10=6f702032 s11=35207472 d05=352074726f702032 s12=30303636 s13=3a31313a d06=3a31313a30303636 s14=73696420 s15=6e6e6f63 d07=6e6e6f6373696420 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 info registers vcpu 1 R00=825a01c0 R01=7ea2b65c R02=00000055 R03=810bb424 R04=82687ec0 R05=00000000 R06=000042b0 R07=000042b0 R08=ebc21f50 R09=ebc21f50 R10=0000008e R11=ebc21e8c R12=ebc21e90 R13=ebc21e80 R14=810bb458 R15=810bb434 PSR=60030013 -ZC- A S svc32 s00=aad8eb07 s01=95ac2551 d00=95ac2551aad8eb07 s02=30303030 s03=32303030 d01=3230303030303030 s04=3d293030 s05=3028267b d02=3028267b3d293030 s06=30663778 s07=30303030 d03=3030303030663778 s08=63313030 s09=7b3d2930 d04=7b3d293063313030 s10=34317830 s11=30202c7d d05=30202c7d34317830 s12=7d343178 s13=30202c7d d06=30202c7d7d343178 s14=30303478 s15=0a293038 d07=0a29303830303478 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=93e11b74 s33=f6b97cff d16=f6b97cff93e11b74 s34=f1a895ff s35=4a92881a d17=4a92881af1a895ff s36=c92a3cbe s37=e18924c5 d18=e18924c5c92a3cbe s38=67bbc1c3 s39=ddb4a36f d19=ddb4a36f67bbc1c3 s40=36a7c311 s41=ded9b554 d20=ded9b55436a7c311 s42=c6ad94d4 s43=5a6376da d21=5a6376dac6ad94d4 s44=39bee96e s45=a1cf4d2c d22=a1cf4d2c39bee96e s46=561cfb7c s47=5cc54cc4 d23=5cc54cc4561cfb7c s48=f7018a92 s49=85ec20ca d24=85ec20caf7018a92 s50=af37751e s51=410279b1 d25=410279b1af37751e s52=87328799 s53=02ac08b1 d26=02ac08b187328799 s54=1907c88e s55=44102017 d27=441020171907c88e s56=9f24a79c s57=feb97bbf d28=feb97bbf9f24a79c s58=72bbde8a s59=1a29ca81 d29=1a29ca8172bbde8a s60=fffb1a84 s61=430a1eb3 d30=430a1eb3fffb1a84 s62=d8c07728 s63=c4fab656 d31=c4fab656d8c07728 FPSCR: 00000000