syzkaller login: [ 44.730207][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.645608][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.647091][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:48902' (ECDSA) to the list of known hosts. 1970/01/01 00:01:02 fuzzer started 1970/01/01 00:01:04 dialing manager at localhost:40707 [ 65.505871][ T2230] cgroup: Unknown subsys name 'net' [ 65.661771][ T2230] cgroup: Unknown subsys name 'hugetlb' [ 65.662928][ T2230] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:01:05 syscalls: 2914 1970/01/01 00:01:05 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:05 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:05 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:05 delay kcov mmap: CONFIG_KCOV is not enabled 1970/01/01 00:01:05 setuid sandbox: enabled 1970/01/01 00:01:05 namespace sandbox: enabled 1970/01/01 00:01:05 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:05 fault injection: enabled 1970/01/01 00:01:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:05 net packet injection: enabled 1970/01/01 00:01:05 net device setup: enabled 1970/01/01 00:01:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:05 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:01:05 USB emulation: enabled 1970/01/01 00:01:05 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:05 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:05 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:01:05 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:05 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:26 starting 2 fuzzer processes 00:01:26 executing program 1: r0 = openat$autofs(0xffffff9c, &(0x7f00000000c0), 0x0, 0x0) close(r0) openat$mixer(0xffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r0, 0x80045400, &(0x7f0000000180)) 00:01:26 executing program 0: r0 = openat$nvme_fabrics(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f00000000c0), 0x4) panic: unaligned 64-bit atomic operation goroutine 11 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x2a00544, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x280a280, 0x298e748, 0x298b5a0, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x280a280, 0x298e748, 0x298b5a0, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x280a280) /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 12 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x2a00544, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x280a380, 0x298e748, 0x298b400, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x280a380, 0x298e748, 0x298b400, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x280a380) /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: 03:58:38 Registers: info registers vcpu 0 R00=00000026 R01=004915df R02=00000026 R03=00000000 R04=00000000 R05=0296fc30 R06=00011f90 R07=00000004 R08=ffffffff R09=00000380 R10=028013b0 R11=00000005 R12=00000001 R13=0296fc6c R14=0004b4a4 R15=0007fdc4 PSR=60000010 -ZC- A S usr32 s00=2720656d s01=6d696c72 d00=6d696c722720656d s02=205b5d31 s03=38303254 d01=38303254205b5d31 s04=6e205d32 s05=696c7465 d02=696c74656e205d32 s06=203a6b6e s07=79622034 d03=79622034203a6b6e s08=20736574 s09=7466656c d04=7466656c20736574 s10=7265766f s11=74666120 d05=746661207265766f s12=70207265 s13=69737261 d06=6973726170207265 s14=6120676e s15=69727474 d07=697274746120676e 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=00000001 R01=00000000 R02=00000001 R03=0000000f R04=83f83800 R05=83c28950 R06=00000150 R07=00000026 R08=00000026 R09=00003fda R10=0000000f R11=df971e6c R12=df971e70 R13=df971df0 R14=804c4f20 R15=804c4eec PSR=40030013 -Z-- A S svc32 s00=a28ebd97 s01=05eada5a d00=05eada5aa28ebd97 s02=202c2930 s03=29347830 d01=29347830202c2930 s04=70870001 s05=7cfcc8eb d02=7cfcc8eb70870001 s06=f7fbe4ec s07=a1e650f8 d03=a1e650f8f7fbe4ec s08=1bd216f1 s09=c96133df d04=c96133df1bd216f1 s10=041c80be s11=32491063 d05=32491063041c80be s12=00000005 s13=00000000 d06=0000000000000005 s14=00000000 s15=1e000000 d07=1e00000000000000 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=51c209d5 s33=3d3e9e66 d16=3d3e9e6651c209d5 s34=706104cb s35=e2786877 d17=e2786877706104cb s36=35e3de3d s37=46606996 d18=4660699635e3de3d s38=f4548b07 s39=d1ace6ad d19=d1ace6adf4548b07 s40=5cbc139c s41=481c9adc d20=481c9adc5cbc139c s42=30ea74be s43=46a15b11 d21=46a15b1130ea74be s44=0eaa77c3 s45=3ed2ed7b d22=3ed2ed7b0eaa77c3 s46=44671d27 s47=de933bbb d23=de933bbb44671d27 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=730a2930 s53=656b636f d26=656b636f730a2930 s54=6e692474 s55=735f7465 d27=735f74656e692474 s56=28707463 s57=2c327830 d28=2c32783028707463 s58=31783020 s59=7830202c d29=7830202c31783020 s60=0a293438 s61=73746573 d30=737465730a293438 s62=6f6b636f s63=69247470 d31=692474706f6b636f FPSCR: 00000000