./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3953194340 <...> DUID 00:04:b8:64:54:4b:51:f9:b6:ea:77:bd:45:d1:95:a6:31:4f forked to background, child pid 3190 [ 26.553736][ T3191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.556057][ T3191] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. execve("./syz-executor3953194340", ["./syz-executor3953194340"], 0x7ffe973e1d00 /* 10 vars */) = 0 brk(NULL) = 0x555555fc2000 brk(0x555555fc2c40) = 0x555555fc2c40 arch_prctl(ARCH_SET_FS, 0x555555fc2300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555fc25d0) = 3611 set_robust_list(0x555555fc25e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f543450b660, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f543450bd30}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f543450b700, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f543450bd30}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3953194340", 4096) = 28 brk(0x555555fe3c40) = 0x555555fe3c40 brk(0x555555fe4000) = 0x555555fe4000 mprotect(0x7f54345cc000, 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./strace-static-x86_64: Process 3612 attached , child_tidptr=0x555555fc25d0) = 3612 [pid 3612] set_robust_list(0x555555fc25e0, 24) = 0 [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 3612] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 3612] dup2(4, 202) = 202 [pid 3612] close(4) = 0 [pid 3612] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 3612] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5433cfa000 [pid 3612] mprotect(0x7f5433cfb000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 3612] clone(child_stack=0x7f54344fa3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[2], tls=0x7f54344fa700, child_tidptr=0x7f54344fa9d0) = 2 [pid 3612] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 3616 attached [pid 3616] set_robust_list(0x7f54344fa9e0, 24) = 0 [pid 3616] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x01\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0a", iov_len=2}, {iov_base="\x01\x09\x10", iov_len=3}, {iov_base="\x00\xaa\xaa\xaa\xaa\xaa\xaa", iov_len=7}], 4) = 13 [pid 3616] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0b", iov_len=2}, {iov_base="\x01\x05\x10", iov_len=3}, {iov_base="\x00\xfd\x03\x60\x04\x00\x06\x00", iov_len=8}], 4) = 14 [pid 3616] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x14\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x25\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x38\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x39\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 3616] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x16\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4 [pid 3612] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 3612] ioctl(3, HCISETSCAN [pid 3616] <... writev resumed>) = 255 [pid 3616] read(202, "\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 3616] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x04", iov_len=2}, {iov_base="\x01\x1a\x0c", iov_len=3}, {iov_base="\x00", iov_len=1}], 4 [pid 3612] <... ioctl resumed>, 0x7ffeeac49468) = 0 [pid 3612] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x04\x0a", iov_len=2}, {iov_base="\xaa\xaa\xaa\xaa\xaa\x10\x00\x00\x00\x01", iov_len=10}], 3) = 13 [pid 3612] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3) = 14 [pid 3612] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3) = 14 [pid 3612] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x3e\x13", iov_len=2}, {iov_base="\x01\x00\xc9\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\x11\x00\x00\x00\x00\x00\x00\x00", iov_len=19}], 3) = 22 [pid 3612] futex(0x7f54344fa9d0, FUTEX_WAIT, 2, NULL [pid 3616] <... writev resumed>) = 7 [pid 3616] madvise(0x7f5433cfa000, 8372224, MADV_DONTNEED) = 0 [pid 3616] exit(0) = ? [pid 3612] <... futex resumed>) = 0 [pid 3612] close(3) = 0 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3616] +++ exited with 0 +++ [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 syzkaller login: [ 50.475459][ T3614] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.477329][ T3614] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.478653][ T3614] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.481370][ T3614] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.482801][ T3614] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 2 [pid 3612] 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=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 3612] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 3612] recvfrom(3, [{nlmsg_len=2376, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x22\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x37\x01\x00\x00\x74\x08\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2376 [pid 3612] 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=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 3612] sendto(3, [{nlmsg_len=36, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 [pid 3612] recvfrom(3, [{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=2, msg=[{nlmsg_len=36, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x00\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 3612] access("/proc/net", R_OK) = 0 [pid 3612] access("/proc/net/unix", R_OK) = 0 [pid 3612] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3612] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 3612] close(4) = 0 [pid 3612] sendto(3, [{nlmsg_len=36, nlmsg_type=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 [pid 3612] 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=36, nlmsg_type=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 3612] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 3612] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 3612] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan0", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 3612] close(4) = 0 [pid 3612] sendto(3, [{nlmsg_len=64, nlmsg_type=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64 [pid 3612] 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=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 3612] sendto(3, [{nlmsg_len=36, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 [pid 3612] recvfrom(3, [{nlmsg_len=56, nlmsg_type=NLMSG_ERROR, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, {error=3, msg=[{nlmsg_len=36, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x04\x00\x00\x00\x04\x00\x0e\x00\x0a\x00\x16\x00\x08\x02\x11\x00\x00\x01\x00\x00"]}], 4096, 0, NULL, NULL) = 56 [pid 3612] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3612] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1", ifr_ifindex=12}) = 0 [pid 3612] close(4) = 0 [pid 3612] sendto(3, [{nlmsg_len=36, nlmsg_type=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x01\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 [pid 3612] 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=36, nlmsg_type=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 3612] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 3612] ioctl(4, SIOCGIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 3612] ioctl(4, SIOCSIFFLAGS, {ifr_name="wlan1", ifr_flags=IFF_UP|IFF_BROADCAST|IFF_MULTICAST}) = 0 [pid 3612] close(4) = 0 [pid 3612] sendto(3, [{nlmsg_len=64, nlmsg_type=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x2b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x0a\x00\x34\x00\x10\x10\x10\x10\x10\x10\x00\x00\x08\x00\x26\x00\x6c\x09\x00\x00\x0a\x00\x06\x00\x50\x50\x50\x50\x50\x50\x00\x00\x04\x00\x3c\x00"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64 [pid 3612] 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=0x22 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 3612] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3612] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 3612] close(4) = 0 [pid 3612] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3612] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [ 50.608648][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.608661][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.610434][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [pid 3612] recvfrom(4, [{nlmsg_len=1404, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0b\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x30\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x1f\x00\x04\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1404 [pid 3612] close(4) = 0 [pid 3612] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3612] ioctl(4, SIOCGIFINDEX, {ifr_name="wlan1", ifr_ifindex=12}) = 0 [pid 3612] close(4) = 0 [pid 3612] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3612] sendto(4, [{nlmsg_len=32, nlmsg_type=0x12 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 3612] recvfrom(4, [{nlmsg_len=1404, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=1}, "\x00\x00\x01\x00\x0c\x00\x00\x00\x43\x10\x01\x00\x00\x00\x00\x00\x0a\x00\x03\x00\x77\x6c\x61\x6e\x31\x00\x00\x00\x08\x00\x0d\x00\xe8\x03\x00\x00\x05\x00\x10\x00\x06\x00\x00\x00\x05\x00\x11\x00\x00\x00\x00\x00\x08\x00\x04\x00\xdc\x05\x00\x00\x08\x00\x32\x00\x00\x01\x00\x00\x08\x00\x33\x00\x00\x09\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00\x08\x00\x1e\x00\x00\x00\x00\x00\x08\x00\x1f\x00\x04\x00\x00\x00"...], 4096, 0, NULL, NULL) = 1404 [pid 3612] close(4) = 0 [pid 3612] close(3) = 0 [pid 3612] mkdir("/dev/binderfs", 0777) = 0 [pid 3612] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 3612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5433cd9000 [pid 3612] mprotect(0x7f5433cda000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3612] clone(child_stack=0x7f5433cf93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3], tls=0x7f5433cf9700, child_tidptr=0x7f5433cf99d0) = 3 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3618 attached [pid 3618] set_robust_list(0x7f5433cf99e0, 24) = 0 [pid 3618] openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 3 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = 1 [pid 3618] ioctl(3, TUNSETIFF, 0x20000200) = 0 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = 1 [pid 3618] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = 1 [pid 3618] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) = 5 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = 1 [pid 3618] ioctl(5, SIOCGIFINDEX, {ifr_name="rose0", ifr_ifindex=13}) = 0 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = 1 [pid 3618] ioctl(3, TUNSETQUEUE, 0x20000340) = 0 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f54345d2428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = 1 [ 50.650040][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.650060][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.651866][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.694837][ T3618] netlink: 20 bytes leftover after parsing attributes in process `syz-executor395'. [pid 3618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x34\x00\x00\x00\x11\x00\x01\xe9\x0d\x7d\x1f\xc7\x4e\x1b\xed\x42\xec\x45\xb2\xfc\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=52}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3612] futex(0x7f54345d242c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3612] futex(0x7f54345d243c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5433cb8000 [pid 3612] mprotect(0x7f5433cb9000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3612] clone(child_stack=0x7f5433cd83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[4], tls=0x7f5433cd8700, child_tidptr=0x7f5433cd89d0) = 4 [pid 3612] futex(0x7f54345d2438, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f54345d243c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3619 attached [pid 3619] set_robust_list(0x7f5433cd89e0, 24) = 0 [pid 3619] ioctl(3, TUNSETIFF, 0x20000200 [pid 3618] <... sendmsg resumed>) = 52 [pid 3618] futex(0x7f54345d242c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f54345d2428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3612] futex(0x7f54345d243c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 50.748364][ T3619] ------------[ cut here ]------------ [ 50.748373][ T3619] WARNING: CPU: 0 PID: 3619 at net/core/dev.c:6359 netif_napi_add_weight+0x7e8/0x9e0 [ 50.764031][ T3619] Modules linked in: [ 50.767960][ T3619] CPU: 0 PID: 3619 Comm: syz-executor395 Not tainted 5.19.0-rc2-syzkaller-00126-g69135c572d1f #0 [ 50.778564][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.788776][ T3619] RIP: 0010:netif_napi_add_weight+0x7e8/0x9e0 [ 50.794970][ T3619] Code: b6 04 02 48 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 a4 00 00 00 48 8b 04 24 80 a0 b1 0b 00 00 fd e9 6c fd ff ff e8 d8 20 27 fa <0f> 0b e9 60 fd ff ff e8 ac e5 73 fa e9 4c fe ff ff e8 92 e5 73 fa [ 50.815038][ T3619] RSP: 0018:ffffc9000312fb18 EFLAGS: 00010293 [ 50.821299][ T3619] RAX: 0000000000000000 RBX: ffff88802257c001 RCX: 0000000000000000 [ 50.829377][ T3619] RDX: ffff8880240d5880 RSI: ffffffff87535138 RDI: 0000000000000001 [ 50.837394][ T3619] RBP: ffff88802257c5d8 R08: 0000000000000001 R09: 0000000000000000 [ 50.845452][ T3619] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802257c5e8 [ 50.853586][ T3619] R13: ffff88802257c5d8 R14: ffff88807d6a8c80 R15: 0000000000000000 [ 50.861884][ T3619] FS: 00007f5433cd8700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 50.870956][ T3619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.877581][ T3619] CR2: 00007f5433cd8718 CR3: 000000001fd2e000 CR4: 00000000003506f0 [ 50.885747][ T3619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.893837][ T3619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.901896][ T3619] Call Trace: [ 50.905533][ T3619] [ 50.908564][ T3619] ? owner_show+0x130/0x130 [ 50.913143][ T3619] ? __xdp_rxq_info_reg+0x189/0x340 [ 50.918371][ T3619] tun_attach.isra.0+0x1096/0x16c0 [ 50.923605][ T3619] tun_net_init+0x45e/0x660 [ 50.928137][ T3619] ? tun_attach.isra.0+0x16c0/0x16c0 [ 50.934824][ T3619] register_netdevice+0x57d/0x15e0 [ 50.940025][ T3619] ? netdev_change_features+0xb0/0xb0 [pid 3612] exit_group(1 [pid 3618] <... futex resumed>) = ? [pid 3618] +++ exited with 1 +++ [pid 3612] <... exit_group resumed>) = ? [ 50.945420][ T3619] ? dev_addr_mod+0x2c9/0x3f0 [ 50.950197][ T3619] __tun_chr_ioctl+0x2a19/0x3da0 [ 50.955158][ T3619] ? tun_chr_read_iter+0x270/0x270 [ 50.960572][ T3619] ? calibrate_delay+0xd83/0x1120 [ 50.965641][ T3619] ? __fget_files+0x26a/0x440 [ 50.970423][ T3619] ? bpf_lsm_file_ioctl+0x5/0x10 [ 50.975396][ T3619] ? tun_chr_compat_ioctl+0x30/0x30 [ 50.980706][ T3619] __x64_sys_ioctl+0x193/0x200 [ 50.985506][ T3619] do_syscall_64+0x35/0xb0 [ 50.990387][ T3619] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.996296][ T3619] RIP: 0033:0x7f5434549f99 [ 51.000846][ T3619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.020575][ T3619] RSP: 002b:00007f5433cd8308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.029260][ T3619] RAX: ffffffffffffffda RBX: 00007f54345d2438 RCX: 00007f5434549f99 [ 51.037240][ T3619] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003 [ 51.045286][ T3619] RBP: 00007f54345d2430 R08: 00007f5433cd8700 R09: 0000000000000000 [ 51.053339][ T3619] R10: 00007f5433cd8700 R11: 0000000000000246 R12: 00007f54345d243c [ 51.061389][ T3619] R13: 00007f543459f004 R14: 74656e2f7665642f R15: 0000000000022000 [ 51.069488][ T3619] [ 51.072505][ T3619] Kernel panic - not syncing: panic_on_warn set ... [ 51.079084][ T3619] CPU: 0 PID: 3619 Comm: syz-executor395 Not tainted 5.19.0-rc2-syzkaller-00126-g69135c572d1f #0 [ 51.089664][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.099706][ T3619] Call Trace: [ 51.102975][ T3619] [ 51.105896][ T3619] dump_stack_lvl+0xcd/0x134 [ 51.110498][ T3619] panic+0x2d7/0x636 [ 51.114390][ T3619] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.120364][ T3619] ? __warn.cold+0x1d9/0x2cd [ 51.124961][ T3619] ? netif_napi_add_weight+0x7e8/0x9e0 [ 51.130432][ T3619] __warn.cold+0x1ea/0x2cd [ 51.134900][ T3619] ? netif_napi_add_weight+0x7e8/0x9e0 [ 51.140387][ T3619] report_bug+0x1bc/0x210 [ 51.144745][ T3619] handle_bug+0x3c/0x60 [ 51.148935][ T3619] exc_invalid_op+0x14/0x40 [ 51.153459][ T3619] asm_exc_invalid_op+0x1b/0x20 [ 51.158334][ T3619] RIP: 0010:netif_napi_add_weight+0x7e8/0x9e0 [ 51.164440][ T3619] Code: b6 04 02 48 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 a4 00 00 00 48 8b 04 24 80 a0 b1 0b 00 00 fd e9 6c fd ff ff e8 d8 20 27 fa <0f> 0b e9 60 fd ff ff e8 ac e5 73 fa e9 4c fe ff ff e8 92 e5 73 fa [ 51.184505][ T3619] RSP: 0018:ffffc9000312fb18 EFLAGS: 00010293 [ 51.190584][ T3619] RAX: 0000000000000000 RBX: ffff88802257c001 RCX: 0000000000000000 [ 51.198559][ T3619] RDX: ffff8880240d5880 RSI: ffffffff87535138 RDI: 0000000000000001 [ 51.206881][ T3619] RBP: ffff88802257c5d8 R08: 0000000000000001 R09: 0000000000000000 [ 51.214856][ T3619] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802257c5e8 [ 51.222831][ T3619] R13: ffff88802257c5d8 R14: ffff88807d6a8c80 R15: 0000000000000000 [ 51.230849][ T3619] ? netif_napi_add_weight+0x7e8/0x9e0 [ 51.236367][ T3619] ? netif_napi_add_weight+0x7e8/0x9e0 [ 51.241849][ T3619] ? owner_show+0x130/0x130 [ 51.246362][ T3619] ? __xdp_rxq_info_reg+0x189/0x340 [ 51.251573][ T3619] tun_attach.isra.0+0x1096/0x16c0 [ 51.256711][ T3619] tun_net_init+0x45e/0x660 [ 51.261217][ T3619] ? tun_attach.isra.0+0x16c0/0x16c0 [ 51.266510][ T3619] register_netdevice+0x57d/0x15e0 [ 51.271641][ T3619] ? netdev_change_features+0xb0/0xb0 [ 51.277024][ T3619] ? dev_addr_mod+0x2c9/0x3f0 [ 51.281711][ T3619] __tun_chr_ioctl+0x2a19/0x3da0 [ 51.286659][ T3619] ? tun_chr_read_iter+0x270/0x270 [ 51.291777][ T3619] ? calibrate_delay+0xd83/0x1120 [ 51.296816][ T3619] ? __fget_files+0x26a/0x440 [ 51.301506][ T3619] ? bpf_lsm_file_ioctl+0x5/0x10 [ 51.306455][ T3619] ? tun_chr_compat_ioctl+0x30/0x30 [ 51.311662][ T3619] __x64_sys_ioctl+0x193/0x200 [ 51.316438][ T3619] do_syscall_64+0x35/0xb0 [ 51.320864][ T3619] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.326768][ T3619] RIP: 0033:0x7f5434549f99 [ 51.331188][ T3619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.350812][ T3619] RSP: 002b:00007f5433cd8308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.359242][ T3619] RAX: ffffffffffffffda RBX: 00007f54345d2438 RCX: 00007f5434549f99 [ 51.367215][ T3619] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003 [ 51.375197][ T3619] RBP: 00007f54345d2430 R08: 00007f5433cd8700 R09: 0000000000000000 [ 51.383169][ T3619] R10: 00007f5433cd8700 R11: 0000000000000246 R12: 00007f54345d243c [ 51.391145][ T3619] R13: 00007f543459f004 R14: 74656e2f7665642f R15: 0000000000022000 [ 51.399221][ T3619] [ 51.402573][ T3619] Kernel Offset: disabled [ 51.406975][ T3619] Rebooting in 86400 seconds..