./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1762345716

<...>
Warning: Permanently added '10.128.1.153' (ED25519) to the list of known hosts.
execve("./syz-executor1762345716", ["./syz-executor1762345716"], 0x7ffdd09c7e80 /* 10 vars */) = 0
brk(NULL)                               = 0x555555925000
brk(0x555555925d00)                     = 0x555555925d00
arch_prctl(ARCH_SET_FS, 0x555555925380) = 0
set_tid_address(0x555555925650)         = 4985
set_robust_list(0x555555925660, 24)     = 0
rseq(0x555555925ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1762345716", 4096) = 28
getrandom("\x9f\xbf\x59\x67\x2e\xb5\x61\xba", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555925d00
brk(0x555555946d00)                     = 0x555555946d00
brk(0x555555947000)                     = 0x555555947000
mprotect(0x7fe4630c0000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555925650) = 4986
./strace-static-x86_64: Process 4986 attached
[pid  4986] set_robust_list(0x555555925660, 24) = 0
[pid  4986] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  4986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  4986] setsid()                    = 1
[pid  4986] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  4986] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  4986] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  4986] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  4986] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  4986] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  4986] unshare(CLONE_NEWNS)        = 0
[pid  4986] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  4986] unshare(CLONE_NEWIPC)       = 0
[pid  4986] unshare(CLONE_NEWCGROUP)    = 0
[pid  4986] unshare(CLONE_NEWUTS)       = 0
[pid  4986] unshare(CLONE_SYSVSEM)      = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "16777216", 8)     = 8
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "536870912", 9)    = 9
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "1024", 4)         = 4
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "8192", 4)         = 4
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "1024", 4)         = 4
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "1024", 4)         = 4
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "1024 1048576 500 1024", 21) = 21
[pid  4986] close(3)                    = 0
[pid  4986] getpid()                    = 1
[pid  4986] 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  4986] 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  4986] unshare(CLONE_NEWNET)       = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "0 65535", 7)      = 7
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3
[pid  4986] dup2(3, 200)                = 200
[pid  4986] close(3)                    = 0
[pid  4986] ioctl(200, TUNSETIFF, 0x7ffd3a1aa3b0) = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "0", 1)            = 1
[pid  4986] close(3)                    = 0
[pid  4986] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3
[pid  4986] write(3, "0", 1)            = 1
[pid  4986] close(3)                    = 0
[pid  4986] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid  4986] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  4986] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  4986] close(4)                    = 0
[pid  4986] 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  4986] 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  4986] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  4986] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  4986] close(4)                    = 0
[pid  4986] 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  4986] 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  4986] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  4986] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  4986] close(4)                    = 0
[pid  4986] 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  4986] 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  4986] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  4986] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  4986] close(4)                    = 0
[pid  4986] 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  4986] 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  4986] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid  4986] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid  4986] close(4)                    = 0
[pid  4986] 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  4986] 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  4986] close(3)                    = 0
[pid  4986] mkdir("/dev/binderfs", 0777) = 0
[pid  4986] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  4986] symlink("/dev/binderfs", "./binderfs") = 0
[pid  4986] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4989 attached
, child_tidptr=0x555555925650) = 2
[pid  4989] set_robust_list(0x555555925660, 24) = 0
[pid  4989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  4989] setpgid(0, 0)               = 0
[pid  4989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  4989] write(3, "1000", 4)         = 4
[pid  4989] close(3)                    = 0
[pid  4989] 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  4989] read(200, 0x7ffd3a1a9f50, 1000) = -1 EAGAIN (Resource temporarily unavailable)
[pid  4989] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3
[pid  4989] close(3)                    = 0
[pid  4989] socket(AF_INET6, SOCK_STREAM, IPPROTO_MPTCP) = 3
[pid  4989] bind(3, {sa_family=AF_INET6, sin6_port=htons(20002), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "fe80::aa", &sin6_addr), sin6_scope_id=if_nametoindex("wpan0")}, 28) = 0
[pid  4989] listen(3, 0)                = 0
[  166.270110][ T4989] TCP: request_sock_subflow_v6: Possible SYN flooding on port [fe80::aa]:20002. Sending cookies.
[  166.281757][ T4989] =====================================================
[  166.288938][ T4989] BUG: KMSAN: uninit-value in subflow_check_req+0x1026/0x15d0
[  166.296736][ T4989]  subflow_check_req+0x1026/0x15d0
[  166.302152][ T4989]  subflow_v6_route_req+0x269/0x410
[  166.307511][ T4989]  tcp_conn_request+0x14e5/0x4160
[  166.312817][ T4989]  subflow_v6_conn_request+0x3ee/0x510
[  166.318478][ T4989]  tcp_rcv_state_process+0x2d4/0x4990
[  166.324122][ T4989]  tcp_v6_do_rcv+0x12b8/0x1fd0
[  166.329044][ T4989]  tcp_v6_rcv+0x40b0/0x48d0
[  166.333773][ T4989]  ip6_protocol_deliver_rcu+0xda6/0x2a60
[  166.339721][ T4989]  ip6_input+0x15d/0x430
[  166.344168][ T4989]  ip6_rcv_finish+0x5db/0x870
[  166.349059][ T4989]  ipv6_rcv+0xda/0x390
[  166.353378][ T4989]  __netif_receive_skb+0x1a6/0x5a0
[  166.358709][ T4989]  netif_receive_skb+0x58/0x660
[  166.363832][ T4989]  tun_rx_batched+0x83b/0x920
[  166.368688][ T4989]  tun_get_user+0x54ca/0x6920
[  166.373600][ T4989]  tun_chr_write_iter+0x3af/0x5d0
[  166.378820][ T4989]  vfs_write+0x8ef/0x15c0
[  166.383383][ T4989]  ksys_write+0x20f/0x4c0
[  166.387890][ T4989]  __x64_sys_write+0x93/0xd0
[  166.392798][ T4989]  do_syscall_64+0x41/0xc0
[  166.397429][ T4989]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  166.403689][ T4989] 
[  166.406108][ T4989] Local variable mp_opt created at:
[  166.411571][ T4989]  subflow_check_req+0x6d/0x15d0
[  166.416713][ T4989]  subflow_v6_route_req+0x269/0x410
[  166.422221][ T4989] 
[  166.424637][ T4989] CPU: 0 PID: 4989 Comm: syz-executor176 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0
[  166.435324][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  166.445748][ T4989] =====================================================
[  166.452981][ T4989] Disabling lock debugging due to kernel taint
[  166.459260][ T4989] Kernel panic - not syncing: kmsan.panic set ...
[  166.465809][ T4989] CPU: 0 PID: 4989 Comm: syz-executor176 Tainted: G    B              6.5.0-rc7-syzkaller-00004-gf7757129e3de #0
[  166.477988][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  166.488197][ T4989] Call Trace:
[  166.491571][ T4989]  <TASK>
[  166.494581][ T4989]  dump_stack_lvl+0x1bf/0x240
[  166.499489][ T4989]  dump_stack+0x1e/0x20
[  166.503852][ T4989]  panic+0x4d5/0xc70
[  166.507900][ T4989]  ? add_taint+0x108/0x1a0
[  166.512451][ T4989]  kmsan_report+0x2d0/0x2d0
[  166.517090][ T4989]  ? kmsan_internal_chain_origin+0xba/0xd0
[  166.523044][ T4989]  ? __msan_warning+0x96/0x110
[  166.527966][ T4989]  ? subflow_check_req+0x1026/0x15d0
[  166.533452][ T4989]  ? subflow_v6_route_req+0x269/0x410
[  166.538978][ T4989]  ? tcp_conn_request+0x14e5/0x4160
[  166.544401][ T4989]  ? subflow_v6_conn_request+0x3ee/0x510
[  166.550226][ T4989]  ? tcp_rcv_state_process+0x2d4/0x4990
[  166.555913][ T4989]  ? tcp_v6_do_rcv+0x12b8/0x1fd0
[  166.561005][ T4989]  ? tcp_v6_rcv+0x40b0/0x48d0
[  166.565803][ T4989]  ? ip6_protocol_deliver_rcu+0xda6/0x2a60
[  166.571826][ T4989]  ? ip6_input+0x15d/0x430
[  166.576412][ T4989]  ? ip6_rcv_finish+0x5db/0x870
[  166.581477][ T4989]  ? ipv6_rcv+0xda/0x390
[  166.585896][ T4989]  ? __netif_receive_skb+0x1a6/0x5a0
[  166.591341][ T4989]  ? netif_receive_skb+0x58/0x660
[  166.596537][ T4989]  ? tun_rx_batched+0x83b/0x920
[  166.601521][ T4989]  ? tun_get_user+0x54ca/0x6920
[  166.606563][ T4989]  ? tun_chr_write_iter+0x3af/0x5d0
[  166.611956][ T4989]  ? vfs_write+0x8ef/0x15c0
[  166.616590][ T4989]  ? ksys_write+0x20f/0x4c0
[  166.621279][ T4989]  ? __x64_sys_write+0x93/0xd0
[  166.626218][ T4989]  ? do_syscall_64+0x41/0xc0
[  166.630965][ T4989]  ? entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  166.637174][ T4989]  ? entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  166.643402][ T4989]  ? _raw_spin_unlock_irqrestore+0x3f/0x60
[  166.649359][ T4989]  ? kmsan_internal_set_shadow_origin+0x48/0xe0
[  166.655864][ T4989]  ? kmsan_get_shadow_origin_ptr+0x4d/0xa0
[  166.661863][ T4989]  __msan_warning+0x96/0x110
[  166.666661][ T4989]  subflow_check_req+0x1026/0x15d0
[  166.671970][ T4989]  subflow_v6_route_req+0x269/0x410
[  166.677377][ T4989]  ? subflow_v6_req_destructor+0x190/0x190
[  166.683327][ T4989]  tcp_conn_request+0x14e5/0x4160
[  166.688550][ T4989]  subflow_v6_conn_request+0x3ee/0x510
[  166.694224][ T4989]  ? subflow_v6_send_synack+0x1d0/0x1d0
[  166.699936][ T4989]  tcp_rcv_state_process+0x2d4/0x4990
[  166.705470][ T4989]  ? kmsan_get_shadow_origin_ptr+0x4d/0xa0
[  166.711544][ T4989]  tcp_v6_do_rcv+0x12b8/0x1fd0
[  166.716482][ T4989]  tcp_v6_rcv+0x40b0/0x48d0
[  166.721253][ T4989]  ? tcp_checksum_complete+0x2e0/0x2e0
[  166.726870][ T4989]  ip6_protocol_deliver_rcu+0xda6/0x2a60
[  166.732784][ T4989]  ip6_input+0x15d/0x430
[  166.737239][ T4989]  ? ip6_input+0x430/0x430
[  166.741862][ T4989]  ? ipv6_is_mld+0x3a0/0x3a0
[  166.746644][ T4989]  ip6_rcv_finish+0x5db/0x870
[  166.751465][ T4989]  ipv6_rcv+0xda/0x390
[  166.755666][ T4989]  ? net_zcopy_put_abort+0xa0/0xa0
[  166.760939][ T4989]  __netif_receive_skb+0x1a6/0x5a0
[  166.766254][ T4989]  ? ip6_rcv_finish+0x870/0x870
[  166.771260][ T4989]  netif_receive_skb+0x58/0x660
[  166.776298][ T4989]  ? kmsan_get_shadow_origin_ptr+0x4d/0xa0
[  166.782290][ T4989]  tun_rx_batched+0x83b/0x920
[  166.787197][ T4989]  ? kmsan_get_shadow_origin_ptr+0x4d/0xa0
[  166.793174][ T4989]  tun_get_user+0x54ca/0x6920
[  166.797979][ T4989]  ? kmsan_internal_set_shadow_origin+0x66/0xe0
[  166.804403][ T4989]  tun_chr_write_iter+0x3af/0x5d0
[  166.809640][ T4989]  ? tun_chr_read_iter+0x670/0x670
[  166.814992][ T4989]  vfs_write+0x8ef/0x15c0
[  166.819486][ T4989]  ksys_write+0x20f/0x4c0
[  166.824020][ T4989]  __x64_sys_write+0x93/0xd0
[  166.828801][ T4989]  do_syscall_64+0x41/0xc0
[  166.833435][ T4989]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  166.839499][ T4989] RIP: 0033:0x7fe463046c10
[  166.844043][ T4989] 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 91 e4 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
[  166.863892][ T4989] RSP: 002b:00007ffd3a1aa348 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  166.872496][ T4989] RAX: ffffffffffffffda RBX: 00007ffd3a1aa3e0 RCX: 00007fe463046c10
[  166.880617][ T4989] RDX: 0000000000000062 RSI: 0000000020000240 RDI: 00000000000000c8
[  166.888676][ T4989] RBP: 00007ffd3a1aa390 R08: 0000000000000000 R09: 0000000000000000
[  166.896734][ T4989] R10: 00007ffd3a1aa370 R11: 0000000000000202 R12: 0000000000000000
[  166.904811][ T4989] R13: 00000000000f4240 R14: 00007ffd3a1aa370 R15: 00007fe46309501d
[  166.912963][ T4989]  </TASK>
[  166.916455][ T4989] Kernel Offset: disabled
[  166.920860][ T4989] Rebooting in 86400 seconds..