./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor617295073

<...>
Warning: Permanently added '10.128.0.9' (ED25519) to the list of known hosts.
execve("./syz-executor617295073", ["./syz-executor617295073"], 0x7ffc7ad34c60 /* 10 vars */) = 0
brk(NULL)                               = 0x555577020000
brk(0x555577020d00)                     = 0x555577020d00
arch_prctl(ARCH_SET_FS, 0x555577020380) = 0
set_tid_address(0x555577020650)         = 5781
set_robust_list(0x555577020660, 24)     = 0
rseq(0x555577020ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor617295073", 4096) = 27
getrandom("\xd9\x60\x12\x7c\xe4\x3c\xfb\x01", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555577020d00
brk(0x555577041d00)                     = 0x555577041d00
brk(0x555577042000)                     = 0x555577042000
mprotect(0x7f0307368000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577020650) = 5782
./strace-static-x86_64: Process 5782 attached
[pid  5782] set_robust_list(0x555577020660, 24) = 0
[pid  5782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5782] getppid()                   = 0
[pid  5782] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5782] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5782] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5782] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5782] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5782] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5782] unshare(CLONE_NEWNS)        = 0
[pid  5782] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5782] unshare(CLONE_NEWIPC)       = 0
[pid  5782] unshare(CLONE_NEWCGROUP)    = 0
[pid  5782] unshare(CLONE_NEWUTS)       = 0
[pid  5782] unshare(CLONE_SYSVSEM)      = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "16777216", 8)     = 8
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "536870912", 9)    = 9
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "1024", 4)         = 4
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "8192", 4)         = 4
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "1024", 4)         = 4
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "1024", 4)         = 4
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5782] close(3)                    = 0
[pid  5782] getpid()                    = 1
[pid  5782] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5782] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5782] unshare(CLONE_NEWNET)       = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "0 65535", 7)      = 7
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3
[pid  5782] dup2(3, 200)                = 200
[pid  5782] close(3)                    = 0
[pid  5782] ioctl(200, TUNSETIFF, 0x7ffd2c545330) = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "0", 1)            = 1
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "0", 1)            = 1
[pid  5782] close(3)                    = 0
[pid  5782] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid  5782] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5782] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5782] close(4)                    = 0
[pid  5782] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 40
[pid  5782] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5782] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5782] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5782] close(4)                    = 0
[pid  5782] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64
[pid  5782] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5782] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5782] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5782] close(4)                    = 0
[pid  5782] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 48
[pid  5782] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5782] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5782] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5782] close(4)                    = 0
[pid  5782] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 60
[pid  5782] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5782] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  5782] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5782] close(4)                    = 0
[pid  5782] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44
[pid  5782] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid  5782] close(3)                    = 0
[pid  5782] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5782] write(3, "100000", 6)       = 6
[pid  5782] close(3)                    = 0
[pid  5782] mkdir("./syz-tmp", 0777)    = 0
[pid  5782] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5782] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5782] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5782] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5782] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5782] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5782] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5782] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5782] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5782] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5782] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5782] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5782] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5782] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5782] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5782] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5782] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5782] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5782] chdir("/")                  = 0
[pid  5782] umount2("./pivot", MNT_DETACH) = 0
[pid  5782] chroot("./newroot")         = 0
[pid  5782] chdir("/")                  = 0
[pid  5782] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5782] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5782] mkdir("/dev/binderfs", 0777) = 0
[pid  5782] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid  5782] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5782] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5782] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5786 attached
, child_tidptr=0x555577020650) = 2
[pid  5786] set_robust_list(0x555577020660, 24) = 0
[pid  5786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5786] setpgid(0, 0)               = 0
[pid  5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5786] write(3, "1000", 4)         = 4
[pid  5786] close(3)                    = 0
[pid  5786] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110
[pid  5786] read(200, executing program
0x7ffd2c544ed0, 1000) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5786] write(1, "executing program\n", 18) = 18
[pid  5786] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 3
[pid  5786] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_XDP, insn_cnt=4, insns=0x400000000200, license="GPL", log_level=5, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 148) = 4
[pid  5786] ioctl(3, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  5786] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=11, attach_type=BPF_XDP, flags=0}}, 16) = 5
[  216.157135][ T5786] =====================================================
[  216.164609][ T5786] BUG: KMSAN: uninit-value in bpf_prog_run_generic_xdp+0x190a/0x1f20
[  216.173115][ T5786]  bpf_prog_run_generic_xdp+0x190a/0x1f20
[  216.179355][ T5786]  do_xdp_generic+0xc0d/0x15a0
[  216.184388][ T5786]  tun_get_user+0x4952/0x6e50
[  216.189446][ T5786]  tun_chr_write_iter+0x3ac/0x5d0
[  216.194718][ T5786]  vfs_write+0xb34/0x1540
[  216.199299][ T5786]  ksys_write+0x240/0x4b0
[  216.203846][ T5786]  __x64_sys_write+0x93/0xe0
[  216.208755][ T5786]  x64_sys_call+0x3161/0x3c30
[  216.213637][ T5786]  do_syscall_64+0xcd/0x1e0
[  216.218419][ T5786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.224547][ T5786] 
[  216.227103][ T5786] Uninit was stored to memory at:
[  216.232370][ T5786]  pskb_expand_head+0x33a/0x1b70
[  216.237571][ T5786]  do_xdp_generic+0x9e3/0x15a0
[  216.242584][ T5786]  tun_get_user+0x4952/0x6e50
[  216.247584][ T5786]  tun_chr_write_iter+0x3ac/0x5d0
[  216.252870][ T5786]  vfs_write+0xb34/0x1540
[  216.257498][ T5786]  ksys_write+0x240/0x4b0
[  216.262049][ T5786]  __x64_sys_write+0x93/0xe0
[  216.266892][ T5786]  x64_sys_call+0x3161/0x3c30
[  216.271769][ T5786]  do_syscall_64+0xcd/0x1e0
[  216.276604][ T5786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.282746][ T5786] 
[  216.285148][ T5786] Uninit was created at:
[  216.289809][ T5786]  __kmalloc_node_track_caller_noprof+0x945/0x1240
[  216.296601][ T5786]  kmalloc_reserve+0x23e/0x4a0
[  216.301532][ T5786]  __alloc_skb+0x363/0x7b0
[  216.306210][ T5786]  alloc_skb_with_frags+0xc8/0xd00
[  216.311552][ T5786]  sock_alloc_send_pskb+0xa81/0xbf0
[  216.316987][ T5786]  tun_get_user+0x1c6d/0x6e50
[  216.321896][ T5786]  tun_chr_write_iter+0x3ac/0x5d0
[  216.327239][ T5786]  vfs_write+0xb34/0x1540
[  216.331759][ T5786]  ksys_write+0x240/0x4b0
[  216.336367][ T5786]  __x64_sys_write+0x93/0xe0
[  216.341172][ T5786]  x64_sys_call+0x3161/0x3c30
[  216.346158][ T5786]  do_syscall_64+0xcd/0x1e0
[  216.350855][ T5786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.357035][ T5786] 
[  216.359482][ T5786] CPU: 0 UID: 0 PID: 5786 Comm: syz-executor617 Not tainted 6.14.0-rc2-syzkaller-00281-g496659003dac #0
[  216.370941][ T5786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[  216.381676][ T5786] =====================================================
[  216.388973][ T5786] Disabling lock debugging due to kernel taint
[  216.395270][ T5786] Kernel panic - not syncing: kmsan.panic set ...
[  216.401845][ T5786] CPU: 0 UID: 0 PID: 5786 Comm: syz-executor617 Tainted: G    B              6.14.0-rc2-syzkaller-00281-g496659003dac #0
[  216.414802][ T5786] Tainted: [B]=BAD_PAGE
[  216.419082][ T5786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[  216.429262][ T5786] Call Trace:
[  216.432632][ T5786]  <TASK>
[  216.435644][ T5786]  dump_stack_lvl+0x216/0x2d0
[  216.440490][ T5786]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  216.446489][ T5786]  dump_stack+0x1e/0x24
[  216.450773][ T5786]  panic+0x4e2/0xcf0
[  216.454842][ T5786]  ? kmsan_get_metadata+0x81/0x1c0
[  216.460142][ T5786]  kmsan_report+0x2c7/0x2d0
[  216.464965][ T5786]  ? __msan_warning+0x95/0x120
[  216.469878][ T5786]  ? bpf_prog_run_generic_xdp+0x190a/0x1f20
[  216.476082][ T5786]  ? do_xdp_generic+0xc0d/0x15a0
[  216.481254][ T5786]  ? tun_get_user+0x4952/0x6e50
[  216.486307][ T5786]  ? tun_chr_write_iter+0x3ac/0x5d0
[  216.491676][ T5786]  ? vfs_write+0xb34/0x1540
[  216.496437][ T5786]  ? ksys_write+0x240/0x4b0
[  216.501186][ T5786]  ? __x64_sys_write+0x93/0xe0
[  216.506125][ T5786]  ? x64_sys_call+0x3161/0x3c30
[  216.511229][ T5786]  ? do_syscall_64+0xcd/0x1e0
[  216.516115][ T5786]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.522438][ T5786]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  216.528568][ T5786]  ? ___bpf_prog_run+0xe018/0xe0f0
[  216.533900][ T5786]  ? __bpf_prog_run32+0xc2/0xf0
[  216.538927][ T5786]  ? kmsan_get_metadata+0x13e/0x1c0
[  216.544333][ T5786]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  216.550391][ T5786]  __msan_warning+0x95/0x120
[  216.555157][ T5786]  bpf_prog_run_generic_xdp+0x190a/0x1f20
[  216.561173][ T5786]  do_xdp_generic+0xc0d/0x15a0
[  216.566121][ T5786]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  216.572123][ T5786]  ? tun_get_user+0x48c9/0x6e50
[  216.577146][ T5786]  tun_get_user+0x4952/0x6e50
[  216.582011][ T5786]  ? _raw_spin_unlock_irqrestore+0x3f/0x60
[  216.588003][ T5786]  ? stack_depot_save_flags+0x6db/0x750
[  216.593705][ T5786]  ? kmsan_get_metadata+0x13e/0x1c0
[  216.599073][ T5786]  ? kmsan_get_metadata+0x13e/0x1c0
[  216.604427][ T5786]  ? kmsan_internal_set_shadow_origin+0x69/0x100
[  216.610945][ T5786]  tun_chr_write_iter+0x3ac/0x5d0
[  216.616192][ T5786]  vfs_write+0xb34/0x1540
[  216.620713][ T5786]  ? __pfx_tun_chr_write_iter+0x10/0x10
[  216.626506][ T5786]  ksys_write+0x240/0x4b0
[  216.631038][ T5786]  ? kmsan_get_metadata+0x13e/0x1c0
[  216.636410][ T5786]  __x64_sys_write+0x93/0xe0
[  216.641160][ T5786]  x64_sys_call+0x3161/0x3c30
[  216.645985][ T5786]  do_syscall_64+0xcd/0x1e0
[  216.650626][ T5786]  ? clear_bhb_loop+0x25/0x80
[  216.655463][ T5786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.661548][ T5786] RIP: 0033:0x7f03072eee30
[  216.666121][ T5786] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 71 e2 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
[  216.685984][ T5786] RSP: 002b:00007ffd2c5452c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  216.694548][ T5786] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f03072eee30
[  216.702639][ T5786] RDX: 000000000000fdef RSI: 00004000000000c0 RDI: 00000000000000c8
[  216.710727][ T5786] RBP: 0000000000000000 R08: 00007ffd2c5453f8 R09: 00007ffd2c5453f8
[  216.718857][ T5786] R10: 00007ffd2c5453f8 R11: 0000000000000202 R12: 0000000000000000
[  216.726984][ T5786] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd2c5452f0
[  216.735080][ T5786]  </TASK>
[  216.738527][ T5786] Kernel Offset: disabled
[  216.742950][ T5786] Rebooting in 86400 seconds..