syzkaller login: [ 47.478118][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.511747][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 50.514933][ T2081] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:10339' (ECDSA) to the list of known hosts. 1970/01/01 00:01:01 fuzzer started 1970/01/01 00:01:04 dialing manager at localhost:40707 [ 65.276884][ T2228] cgroup: Unknown subsys name 'net' [ 65.439298][ T2228] cgroup: Unknown subsys name 'hugetlb' [ 65.445748][ T2228] 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 00:01:28 starting 2 fuzzer processes 00:01:28 executing program 1: r0 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$SO_J1939_PROMISC(r0, 0x6b, 0x2, &(0x7f0000000040)=0xfffffe2a, 0x4) panic: unaligned 64-bit atomic operation goroutine 23 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x29aa544, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x280a260, 0x28d9f58, 0x280b660, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x280a260, 0x28d9f58, 0x280b660, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x280a260) /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: 09:11:39 Registers: info registers vcpu 0 R00=825a01c0 R01=000005b4 R02=00000001 R03=810bb424 R04=82687ec0 R05=00004518 R06=00004518 R07=00000000 R08=00000001 R09=000005b4 R10=00000000 R11=ebcd1c4c R12=ebcd1c50 R13=ebcd1c40 R14=810bb458 R15=810bb434 PSR=60030013 -ZC- A S svc32 s00=656e6769 s01=6f672e64 d00=6f672e64656e6769 s02=65746e69 s03=6c616e72 d01=6c616e7265746e69 s04=6f74612f s05=2e63696d d02=2e63696d6f74612f s06=696e6170 s07=616e5563 d03=616e5563696e6170 s08=6e67696c s09=29286465 d04=292864656e67696c s10=752f090a s11=6c2f7273 d05=6c2f7273752f090a s12=6c61636f s13=2f6f672f d06=2f6f672f6c61636f s14=2f637273 s15=746e7572 d07=746e75722f637273 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=b94aec89 s33=f237cd50 d16=f237cd50b94aec89 s34=0860786c s35=157d78b1 d17=157d78b10860786c s36=98a419e4 s37=9916a914 d18=9916a91498a419e4 s38=417bd916 s39=a59218b5 d19=a59218b5417bd916 s40=478ea87c s41=dc8adf1c d20=dc8adf1c478ea87c s42=deb9be82 s43=b47467bd d21=b47467bddeb9be82 s44=6b6cd196 s45=fd0c775b d22=fd0c775b6b6cd196 s46=eb59d1be s47=e2f4b5ae d23=e2f4b5aeeb59d1be s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=422810a7 s53=a43c2abe d26=a43c2abe422810a7 s54=119844f8 s55=de8a6133 d27=de8a6133119844f8 s56=a696b40e s57=d0b44b01 d28=d0b44b01a696b40e s58=6af6d9b4 s59=18b725b0 d29=18b725b06af6d9b4 s60=520e1f71 s61=9695616d d30=9695616d520e1f71 s62=4858bb06 s63=f7d18989 d31=f7d189894858bb06 FPSCR: 00000000 info registers vcpu 1 R00=83dcd960 R01=83dcd960 R02=00000001 R03=810bb424 R04=824f4948 R05=824f4940 R06=00000028 R07=00000006 R08=824f4948 R09=00000000 R10=00000004 R11=df965ebc R12=df965ec0 R13=df965eb0 R14=802fb1ec R15=810bb434 PSR=60000093 -ZC- A S svc32 s00=52e4c3c3 s01=00bf0028 d00=00bf002852e4c3c3 s02=04b71b6f s03=db74e8c7 d01=db74e8c704b71b6f s04=49aea6ad s05=ef2f1233 d02=ef2f123349aea6ad s06=bed3f98e s07=e31a9484 d03=e31a9484bed3f98e s08=3dbb5959 s09=2ffda941 d04=2ffda9413dbb5959 s10=9ac4daeb s11=6b29cc56 d05=6b29cc569ac4daeb s12=3de922fe s13=9c2734fe d06=9c2734fe3de922fe s14=65b3bd65 s15=07b3d462 d07=07b3d46265b3bd65 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=b94aec89 s33=f237cd50 d16=f237cd50b94aec89 s34=0860786c s35=157d78b1 d17=157d78b10860786c s36=98a419e4 s37=9916a914 d18=9916a91498a419e4 s38=417bd916 s39=a59218b5 d19=a59218b5417bd916 s40=478ea87c s41=dc8adf1c d20=dc8adf1c478ea87c s42=deb9be82 s43=b47467bd d21=b47467bddeb9be82 s44=6b6cd196 s45=fd0c775b d22=fd0c775b6b6cd196 s46=eb59d1be s47=e2f4b5ae d23=e2f4b5aeeb59d1be s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=422810a7 s53=a43c2abe d26=a43c2abe422810a7 s54=119844f8 s55=de8a6133 d27=de8a6133119844f8 s56=a696b40e s57=d0b44b01 d28=d0b44b01a696b40e s58=6af6d9b4 s59=18b725b0 d29=18b725b06af6d9b4 s60=520e1f71 s61=9695616d d30=9695616d520e1f71 s62=4858bb06 s63=f7d18989 d31=f7d189894858bb06 FPSCR: 00000000