syzkaller login: [ 48.961810][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 48.963405][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 48.964272][ T2082] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:44078' (ECDSA) to the list of known hosts. 1970/01/01 00:00:59 fuzzer started 1970/01/01 00:01:02 dialing manager at localhost:40707 [ 63.424785][ T2230] cgroup: Unknown subsys name 'net' [ 63.574946][ T2230] cgroup: Unknown subsys name 'hugetlb' [ 63.577129][ T2230] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:01:03 syscalls: 2914 1970/01/01 00:01:03 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 delay kcov mmap: CONFIG_KCOV is not enabled 1970/01/01 00:01:03 setuid sandbox: enabled 1970/01/01 00:01:03 namespace sandbox: enabled 1970/01/01 00:01:03 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:03 fault injection: enabled 1970/01/01 00:01:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:03 net packet injection: enabled 1970/01/01 00:01:03 net device setup: enabled 1970/01/01 00:01:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:03 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:01:03 USB emulation: enabled 1970/01/01 00:01:03 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:03 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:03 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:01:03 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:03 fetching corpus: 0, signal 0/0 (executing program) 1970/01/01 00:01:27 starting 2 fuzzer processes 00:01:27 executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet6_udp_int(r0, 0x11, 0xb, &(0x7f0000000000), &(0x7f0000000040)=0x4) 00:01:27 executing program 1: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000100)='./mnt\x00', 0x8cfe, 0x6, &(0x7f0000000200)=[{&(0x7f0000010000)="1000000040000000030000002b00000005000000010000000000000000000000002000000020000010000000000000009f09c75f0000ffff53ef0100010000009f09c75f000000000000000001000000000000000b0000008000000038000000c20201006b04000076b65be2f6da47278c750525a5b65a09", 0x78, 0x400}, {&(0x7f0000000340)="000000000000000000000000ede2de4df49d4f87b54a3176cfd4eb4f010040000c000000000000009f09c75f", 0x2c, 0x4e0}, {&(0x7f00000100c0)="01000000000000000000000000000000000000000401000012", 0x19, 0x560}, {&(0x7f0000000180)="00000000000000000000000000000000000000000104", 0x16, 0x640}, {&(0x7f0000010100)="000000000000000000000000000000000000000000000000000000005178aedb030000001300000023", 0x29, 0x7e0}, {&(0x7f0000010ce0)="00000000000000000000000000000000000000000000000000000000c99b0000ed410000000400009f09c75f9f09c75f9f09c75f00000000000003000200000000000800000000000af3010004000000000000000000000001000000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005c1f", 0x9e, 0x8c60}], 0x2000001, &(0x7f0000001f80)=ANY=[], 0x0) setxattr$security_ima(&(0x7f0000000140)='./mnt/file0/../file0\x00', 0x0, 0x0, 0x0, 0x0) panic: unaligned 64-bit atomic operation goroutine 25 [running]: runtime/internal/atomic.panicUnaligned() /usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24 runtime/internal/atomic.Xadd64(0x1da5bc4, 0x1) /usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14 main.(*Proc).executeRaw(0x1c0b660, 0x1ca2618, 0x1c0bd60, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158 main.(*Proc).execute(0x1c0b660, 0x1ca2618, 0x1c0bd60, 0x7, 0x2) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38 main.(*Proc).loop(0x1c0b660) /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: 09:07:46 Registers: info registers vcpu 0 R00=00000036 R01=004c7168 R02=00000036 R03=00000000 R04=00000000 R05=01c31c30 R06=00011f90 R07=00000004 R08=ffffffff R09=00000380 R10=01c00780 R11=00000005 R12=00000001 R13=df971ff8 R14=0007fdc4 R15=0007fdc4 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=33207472 d05=332074726f702032 s12=30353537 s13=3a31313a d06=3a31313a30353537 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=00000000 R01=00000001 R02=82a66000 R03=83f6e0c0 R04=00000000 R05=83cbf180 R06=00000000 R07=00000001 R08=83dc0000 R09=00000000 R10=00000000 R11=df949954 R12=df949908 R13=df949908 R14=808bcb30 R15=808bcc00 PSR=60030013 -ZC- A S svc32 s00=67696c61 s01=2e64656e d00=2e64656e67696c61 s02=30303030 s03=30303032 d01=3030303230303030 s04=16279fb1 s05=db58f615 d02=db58f61516279fb1 s06=613f4575 s07=32365796 d03=32365796613f4575 s08=15ae23fa s09=4503282c d04=4503282c15ae23fa s10=933a9ac1 s11=c570cfe6 d05=c570cfe6933a9ac1 s12=00000015 s13=00000000 d06=0000000000000015 s14=00000000 s15=1f000000 d07=1f00000000000000 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=75227732 s33=327288fc d16=327288fc75227732 s34=aa58998d s35=1f66bd30 d17=1f66bd30aa58998d s36=883113ab s37=a80c4c35 d18=a80c4c35883113ab s38=840d8b0e s39=957257ff d19=957257ff840d8b0e s40=419cf7d1 s41=0f13dcb3 d20=0f13dcb3419cf7d1 s42=b23642b4 s43=e1e03e52 d21=e1e03e52b23642b4 s44=94b9b97c s45=1434ef25 d22=1434ef2594b9b97c s46=7d4d1655 s47=0cae97e4 d23=0cae97e47d4d1655 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=30303030 s53=35303030 d26=3530303030303030 s54=22663163 s55=7830202c d27=7830202c22663163 s56=202c6539 s57=63387830 d28=63387830202c6539 s58=5d7d3036 s59=7830202c d29=7830202c5d7d3036 s60=30303032 s61=2c313030 d30=2c31303030303032 s62=30282620 s63=30663778 d31=3066377830282620 FPSCR: 00000000