syzkaller login: [ 50.926779][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.928102][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.928874][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:20393' (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 [ 64.010560][ T2228] cgroup: Unknown subsys name 'net' [ 64.176065][ T2228] cgroup: Unknown subsys name 'hugetlb' [ 64.177256][ 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 00:01:26 starting 2 fuzzer processes 00:01:26 executing program 0: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) write$sequencer(r0, 0x0, 0x0) 00:01:26 executing program 1: r0 = syz_open_dev$vcsa(&(0x7f0000000100), 0x1, 0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) dup3(r1, r0, 0x0) ioctl$PIO_UNIMAPCLR(r0, 0x4b68, 0x0) 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(0x1c5a7c4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x1e9c2c0, 0x1cccb98, 0x1e9cb40, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x1e9c2c0, 0x1cccb98, 0x1e9cb40, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x1e9c2c0) /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: 06:35:36 Registers: info registers vcpu 0 R00=83e870e0 R01=83e870e0 R02=00000001 R03=810bb424 R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=00000003 R11=df955ebc R12=df955ec0 R13=df955eb0 R14=802fb1ec R15=810bb434 PSR=60030093 -ZC- A S svc32 s00=d85f3960 s01=8d3551b0 d00=8d3551b0d85f3960 s02=30202c31 s03=0a293078 d01=0a29307830202c31 s04=3d203172 s05=7a797320 d02=7a7973203d203172 s06=65706f5f s07=65645f6e d03=65645f6e65706f5f s08=74742476 s09=28303279 d04=2830327974742476 s10=2c637830 s11=34783020 d05=347830202c637830 s12=7830202c s13=640a2930 d06=640a29307830202c s14=28337075 s15=202c3172 d07=202c317228337075 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=bc4b9404 s33=b35cf3e7 d16=b35cf3e7bc4b9404 s34=2d2c66bd s35=1b8f1b2f d17=1b8f1b2f2d2c66bd s36=023675f7 s37=a799634b d18=a799634b023675f7 s38=20cf9253 s39=ce0e0222 d19=ce0e022220cf9253 s40=d74cb226 s41=2c5c5678 d20=2c5c5678d74cb226 s42=2c24ea2f s43=24ae24f6 d21=24ae24f62c24ea2f s44=782c42cd s45=2078d567 d22=2078d567782c42cd s46=ddbd4631 s47=77add47e d23=77add47eddbd4631 s48=62f7ba41 s49=5b1175c8 d24=5b1175c862f7ba41 s50=333bcd2e s51=ac99f737 d25=ac99f737333bcd2e s52=0ad2185f s53=9418e9b4 d26=9418e9b40ad2185f s54=960a95d7 s55=0a663b74 d27=0a663b74960a95d7 s56=058784c8 s57=745d7d66 d28=745d7d66058784c8 s58=e14a55af s59=f2743555 d29=f2743555e14a55af s60=2c8fcf8d s61=87dc987c d30=87dc987c2c8fcf8d s62=969aa0ec s63=405f43db d31=405f43db969aa0ec FPSCR: 00000000 info registers vcpu 1 R00=00000002 R01=004c7168 R02=00000036 R03=00000000 R04=00000000 R05=01c8dc30 R06=00011f90 R07=00000004 R08=ffffffff R09=00000380 R10=01c82d20 R11=00000005 R12=00000001 R13=01c8dc6c R14=0004b4a4 R15=0007fdc4 PSR=60000010 -ZC- A S usr32 s00=00606661 s01=ff000000 d00=ff00000000606661 s02=303a3130 s03=65662034 d01=65662034303a3130 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=bc4b9404 s33=b35cf3e7 d16=b35cf3e7bc4b9404 s34=2d2c66bd s35=1b8f1b2f d17=1b8f1b2f2d2c66bd s36=023675f7 s37=a799634b d18=a799634b023675f7 s38=20cf9253 s39=ce0e0222 d19=ce0e022220cf9253 s40=d74cb226 s41=2c5c5678 d20=2c5c5678d74cb226 s42=2c24ea2f s43=24ae24f6 d21=24ae24f62c24ea2f s44=782c42cd s45=2078d567 d22=2078d567782c42cd s46=ddbd4631 s47=77add47e d23=77add47eddbd4631 s48=62f7ba41 s49=5b1175c8 d24=5b1175c862f7ba41 s50=333bcd2e s51=ac99f737 d25=ac99f737333bcd2e s52=0ad2185f s53=9418e9b4 d26=9418e9b40ad2185f s54=960a95d7 s55=0a663b74 d27=0a663b74960a95d7 s56=058784c8 s57=745d7d66 d28=745d7d66058784c8 s58=e14a55af s59=f2743555 d29=f2743555e14a55af s60=2c8fcf8d s61=87dc987c d30=87dc987c2c8fcf8d s62=969aa0ec s63=405f43db d31=405f43db969aa0ec FPSCR: 00000000