./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3372002182 <...> DUID 00:04:c2:14:a9:3f:3d:94:29:63:70:45:79:7c:3d:d2:41:a3 forked to background, child pid 3181 [ 26.467245][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.474881][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. execve("./syz-executor3372002182", ["./syz-executor3372002182"], 0x7fff4f7456b0 /* 10 vars */) = 0 brk(NULL) = 0x555555ae3000 brk(0x555555ae3d40) = 0x555555ae3d40 arch_prctl(ARCH_SET_FS, 0x555555ae3400) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555ae36d0) = 3602 set_robust_list(0x555555ae36e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f1a7bb3db00, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f1a7bb3d050}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f1a7bb3dba0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1a7bb3d050}, 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-executor3372002182", 4096) = 28 brk(0x555555b04d40) = 0x555555b04d40 brk(0x555555b05000) = 0x555555b05000 mprotect(0x7f1a7bbff000, 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 getpid() = 3602 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 write(3, "0 65535", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3602", 4) = 4 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 chmod("/dev/raw-gadget", 0666) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=680, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3602}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x25\x00\x00\x00\x48\x02\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\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 680 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3602}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3602}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 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\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3602}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3602}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3602}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3602}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f1a7bb36d40, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1a7bb3d050}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f1a7bb36d40, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1a7bb3d050}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ae36d0) = 3604 ./strace-static-x86_64: Process 3604 attached [pid 3604] set_robust_list(0x555555ae36e0, 24) = 0 [pid 3604] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3604] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 3604] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 3604] dup2(4, 202) = 202 [pid 3604] close(4) = 0 [pid 3604] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 3604] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1a7b32b000 [pid 3604] mprotect(0x7f1a7b32c000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 3604] clone(child_stack=0x7f1a7bb2b2f0, 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=0x7f1a7bb2b700, child_tidptr=0x7f1a7bb2b9d0) = 2 [pid 3604] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 3608 attached [pid 3608] set_robust_list(0x7f1a7bb2b9e0, 24) = 0 [pid 3608] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 3608] 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 3608] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 3608] 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) = 255 [pid 3608] read(202, [pid 3604] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 3604] ioctl(3, HCISETSCAN [pid 3608] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 3608] 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 3604] <... ioctl resumed>, 0x7ffc812d24e8) = 0 [pid 3604] 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 3604] 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 3604] 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 3604] 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 3604] futex(0x7f1a7bb2b9d0, FUTEX_WAIT, 2, NULL [pid 3608] <... writev resumed>) = 7 [pid 3608] madvise(0x7f1a7b32b000, 8372224, MADV_DONTNEED) = 0 [pid 3608] exit(0) = ? [pid 3608] +++ exited with 0 +++ [pid 3604] <... futex resumed>) = 0 [pid 3604] close(3) = 0 [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3604] setsid() = 1 [pid 3604] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3604] unshare(CLONE_NEWNS) = 0 [pid 3604] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3604] unshare(CLONE_NEWIPC) = 0 [pid 3604] unshare(CLONE_NEWCGROUP) = 0 [pid 3604] unshare(CLONE_NEWUTS) = 0 [pid 3604] unshare(CLONE_SYSVSEM) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "16777216", 8) = 8 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "536870912", 9) = 9 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "8192", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3604] close(3) = 0 [pid 3604] getpid() = 1 [pid 3604] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 1 [ 51.083138][ T3607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.084175][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.087396][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.090668][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.091950][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 3604] 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 3604] 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 3604] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3604] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 3604] close(4) = 0 [pid 3604] 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 3604] 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 3604] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3604] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 3604] close(4) = 0 [pid 3604] 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 3604] 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 3604] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 3604] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 3604] close(4) = 0 [pid 3604] 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 3604] 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 3604] close(3) = 0 [pid 3604] mkdir("/dev/binderfs", 0777) = 0 [pid 3604] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 3604] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3604] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LRU_PERCPU_HASH, key_size=22, value_size=8, max_entries=127, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 3604] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3604] write(4, "49", 2) = 2 [pid 3604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=10, insns=0x20000680, license="GPL", log_level=4, log_size=238, log_buf="", 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}, 128) = -1 ENOMEM (Cannot allocate memory) [pid 3604] close(3) = 0 [pid 3604] close(4) = 0 [pid 3604] close(5) = -1 EBADF (Bad file descriptor) [pid 3604] close(6) = -1 EBADF (Bad file descriptor) [pid 3604] close(7) = -1 EBADF (Bad file descriptor) [pid 3604] close(8) = -1 EBADF (Bad file descriptor) [pid 3604] close(9) = -1 EBADF (Bad file descriptor) [pid 3604] close(10) = -1 EBADF (Bad file descriptor) [pid 3604] close(11) = -1 EBADF (Bad file descriptor) [pid 3604] close(12) = -1 EBADF (Bad file descriptor) [pid 3604] close(13) = -1 EBADF (Bad file descriptor) [pid 3604] close(14) = -1 EBADF (Bad file descriptor) [pid 3604] close(15) = -1 EBADF (Bad file descriptor) [pid 3604] close(16) = -1 EBADF (Bad file descriptor) [pid 3604] close(17) = -1 EBADF (Bad file descriptor) [pid 3604] close(18) = -1 EBADF (Bad file descriptor) [pid 3604] close(19) = -1 EBADF (Bad file descriptor) [pid 3604] close(20) = -1 EBADF (Bad file descriptor) [pid 3604] close(21) = -1 EBADF (Bad file descriptor) [pid 3604] close(22) = -1 EBADF (Bad file descriptor) [pid 3604] close(23) = -1 EBADF (Bad file descriptor) [pid 3604] close(24) = -1 EBADF (Bad file descriptor) [pid 3604] close(25) = -1 EBADF (Bad file descriptor) [pid 3604] close(26) = -1 EBADF (Bad file descriptor) [pid 3604] close(27) = -1 EBADF (Bad file descriptor) [pid 3604] close(28) = -1 EBADF (Bad file descriptor) [pid 3604] close(29) = -1 EBADF (Bad file descriptor) [pid 3604] exit_group(1) = ? [ 51.198578][ T3604] syz-executor337: vmalloc error: size 4096, vm_struct allocation failed, mode:0x500dc0(GFP_USER|__GFP_ZERO|__GFP_ACCOUNT), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 51.198651][ T3604] CPU: 0 PID: 3604 Comm: syz-executor337 Not tainted 5.18.0-syzkaller-10188-g58f9d52ff689 #0 [ 51.198673][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.198681][ T3604] Call Trace: [ 51.198685][ T3604] [ 51.198689][ T3604] dump_stack_lvl+0xcd/0x134 [ 51.198759][ T3604] warn_alloc.cold+0x9b/0x189 [ 51.198759][ T3604] warn_alloc.cold+0x9b/0x189 [ 51.198777][ T3604] ? zone_watermark_ok_safe+0x290/0x290 [ 51.198792][ T3604] ? __get_vm_area_node+0x354/0x3f0 [ 51.198815][ T3604] ? __get_vm_area_node+0x297/0x3f0 [ 51.198838][ T3604] __vmalloc_node_range+0xdff/0x13e0 [ 51.198860][ T3604] ? bpf_int_jit_compile+0x474/0x13e0 [ 51.198874][ T3604] ? bpf_prog_alloc_no_stats+0x38/0x470 [ 51.198892][ T3604] ? vfree_atomic+0xe0/0xe0 [ 51.198907][ T3604] ? arch_prepare_bpf_dispatcher+0xc0/0xc0 [ 51.198920][ T3604] ? lockdep_init_map_type+0x21a/0x7f0 [ 51.198939][ T3604] ? bpf_prog_alloc_no_stats+0x38/0x470 [ 51.198953][ T3604] __vmalloc+0x69/0x80 [ 51.198968][ T3604] ? bpf_prog_alloc_no_stats+0x38/0x470 [ 51.198983][ T3604] bpf_prog_alloc_no_stats+0x38/0x470 [ 51.198999][ T3604] bpf_check+0x630e/0xbbc0 [ 51.199026][ T3604] ? bpf_get_btf_vmlinux+0x10/0x10 [ 51.199043][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 51.199060][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 51.199076][ T3604] ? ktime_get_with_offset+0x3f2/0x500 [ 51.199094][ T3604] ? memset+0x20/0x40 [ 51.199108][ T3604] ? bpf_obj_name_cpy+0x144/0x1a0 [ 51.199137][ T3604] bpf_prog_load+0xfb2/0x2250 [ 51.199165][ T3604] ? __bpf_prog_put.constprop.0+0x220/0x220 [ 51.199182][ T3604] ? find_held_lock+0x2d/0x110 [ 51.199200][ T3604] ? __might_fault+0xd1/0x170 [ 51.199214][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 51.199237][ T3604] ? bpf_lsm_bpf+0x5/0x10 [ 51.199253][ T3604] __sys_bpf+0x11a1/0x5700 [ 51.199267][ T3604] ? lock_release+0x780/0x780 [ 51.199285][ T3604] ? bpf_perf_link_attach+0x520/0x520 [ 51.199301][ T3604] ? rwlock_bug.part.0+0x90/0x90 [ 51.199313][ T3604] ? _raw_spin_lock_irq+0x41/0x50 [ 51.199333][ T3604] ? find_held_lock+0x2d/0x110 [ 51.199355][ T3604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.199369][ T3604] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.199382][ T3604] ? lockdep_hardirqs_on+0x79/0x100 [ 51.199398][ T3604] __x64_sys_bpf+0x75/0xb0 [ 51.199414][ T3604] do_syscall_64+0x35/0xb0 [ 51.199429][ T3604] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.199443][ T3604] RIP: 0033:0x7f1a7bb83bc9 [ 51.199455][ T3604] Code: 28 c3 e8 9a 18 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 [ 51.199467][ T3604] RSP: 002b:00007ffc812d2488 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 51.199480][ T3604] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1a7bb83bc9 [ 51.199489][ T3604] RDX: 0000000000000080 RSI: 0000000020000440 RDI: 0000000000000005 [ 51.199496][ T3604] RBP: 00007ffc812d2490 R08: 0000000000000002 R09: 0000000000003934 [ 51.199504][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 51.199512][ T3604] R13: 00007ffc812d24f0 R14: 00007ffc812d2520 R15: 00007ffc812d24e8 [ 51.199529][ T3604] [ 51.199534][ T3604] Mem-Info: [ 51.199539][ T3604] active_anon:235 inactive_anon:2280 isolated_anon:0 [ 51.199539][ T3604] active_file:3166 inactive_file:9774 isolated_file:0 [ 51.199539][ T3604] unevictable:768 dirty:318 writeback:0 [ 51.199539][ T3604] slab_reclaimable:17605 slab_unreclaimable:73903 [ 51.199539][ T3604] mapped:2415 shmem:1229 pagetables:236 bounce:0 [ 51.199539][ T3604] kernel_misc_reclaimable:0 [ 51.199539][ T3604] free:1507423 free_pcp:10518 free_cma:0 [ 51.199572][ T3604] Node 0 active_anon:940kB inactive_anon:9120kB active_file:12588kB inactive_file:39096kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:9660kB dirty:1272kB writeback:0kB shmem:3380kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:7728kB pagetables:940kB all_unreclaimable? no [ 51.199606][ T3604] Node 1 active_anon:0kB inactive_anon:0kB active_file:76kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:4kB all_unreclaimable? no [ 51.199637][ T3604] Node 0 DMA free:15360kB boost:0kB min:200kB low:248kB high:296kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.200370][ T3604] lowmem_reserve[]: 0 2633 2634 2634 2634 [ 51.200406][ T3604] Node 0 DMA32 free:2081876kB boost:0kB min:35572kB low:44464kB high:53356kB reserved_highatomic:0KB active_anon:940kB inactive_anon:9120kB active_file:12588kB inactive_file:39096kB unevictable:1536kB writepending:1272kB present:3129332kB managed:2701996kB mlocked:0kB bounce:0kB free_pcp:23044kB local_pcp:15024kB free_cma:0kB [ 51.200473][ T3604] lowmem_reserve[]: 0 0 1 1 1 [ 51.200518][ T3604] Node 0 Normal free:0kB boost:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:1168kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 51.200581][ T3604] lowmem_reserve[]: 0 0 0 0 0 [ 51.200613][ T3604] Node 1 Normal free:3932456kB boost:0kB min:54316kB low:67892kB high:81468kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:76kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4117620kB mlocked:0kB bounce:0kB free_pcp:19008kB local_pcp:10272kB free_cma:0kB [ 51.200684][ T3604] lowmem_reserve[]: 0 0 0 0 0 [ 51.200715][ T3604] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB [ 51.200837][ T3604] Node 0 DMA32: 3*4kB (UME) 1*8kB (U) 2*16kB (UE) 1*32kB (E) 2*64kB (UM) 1*128kB (E) 1*256kB (M) 1*512kB (M) 2*1024kB (UE) 1*2048kB (U) 507*4096kB (M) = 2081876kB [ 51.200997][ T3604] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 51.201101][ T3604] Node 1 Normal: 178*4kB (UME) 42*8kB (UME) 29*16kB (UE) 22*32kB (UME) 16*64kB (UME) 7*128kB (UE) 1*256kB (E) 0*512kB 2*1024kB (UM) 1*2048kB (U) 958*4096kB (M) = 3932456kB [ 51.201258][ T3604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 51.201277][ T3604] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 51.201295][ T3604] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 51.201312][ T3604] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 51.201329][ T3604] 14169 total pagecache pages [ 51.201336][ T3604] 0 pages in swap cache [ 51.201342][ T3604] Swap cache stats: add 0, delete 0, find 0/0 [ 51.201354][ T3604] Free swap = 0kB [ 51.201360][ T3604] Total swap = 0kB [ 51.201366][ T3604] 2097051 pages RAM [ 51.201372][ T3604] 0 pages HighMem/MovableOnly [ 51.201377][ T3604] 388015 pages reserved [ 51.201383][ T3604] 0 pages cma reserved [ 51.254040][ T3603] BUG: unable to handle page fault for address: ffffffffa0000034 [ 51.254056][ T3603] #PF: supervisor instruction fetch in kernel mode [ 51.254068][ T3603] #PF: error_code(0x0010) - not-present page [ 51.254079][ T3603] PGD ba8f067 P4D ba8f067 PUD ba90063 PMD 1694a067 PTE 0 [ 51.254121][ T3603] Oops: 0010 [#1] PREEMPT SMP KASAN [ 51.254140][ T3603] CPU: 0 PID: 3603 Comm: udevd Not tainted 5.18.0-syzkaller-10188-g58f9d52ff689 #0 [ 51.254163][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.254176][ T3603] RIP: 0010:0xffffffffa0000034 [ 51.254199][ T3603] Code: Unable to access opcode bytes at RIP 0xffffffffa000000a. [ 51.254209][ T3603] RSP: 0018:ffffc90002f5f898 EFLAGS: 00010246 [ 51.254228][ T3603] RAX: dffffc0000000000 RBX: 1ffff920005ebf1a RCX: 0000000000000000 [ 51.254244][ T3603] RDX: 1ffff9200001fc06 RSI: ffffc900000fe048 RDI: ffff8880211b98c0 [ 51.254260][ T3603] RBP: ffff8880211b98c0 R08: 0000000000000001 R09: 0000000000000000 [ 51.254275][ T3603] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 51.254289][ T3603] R13: 0000000000000001 R14: ffffc900000fe000 R15: 0000000000000000 [ 51.254304][ T3603] FS: 00007fd43a533840(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 51.254329][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.254346][ T3603] CR2: ffffffffa000000a CR3: 00000000226bd000 CR4: 00000000003506f0 [ 51.254362][ T3603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.254375][ T3603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.254390][ T3603] Call Trace: [ 51.254396][ T3603] [ 51.254403][ T3603] ? sk_filter_trim_cap+0x27c/0x9a0 [ 51.254429][ T3603] ? memcpy+0x39/0x60 [ 51.254453][ T3603] ? bpf_xdp_redirect+0x160/0x160 [ 51.254474][ T3603] ? memcpy+0x39/0x60 [ 51.254496][ T3603] ? __skb_clone+0x597/0x780 [ 51.254527][ T3603] ? netlink_broadcast+0x53b/0xd60 [ 51.254559][ T3603] ? bpf_lsm_netlink_send+0x5/0x10 [ 51.254583][ T3603] ? netlink_sendmsg+0xa8d/0xe10 [ 51.254613][ T3603] ? netlink_unicast+0x7f0/0x7f0 [ 51.254643][ T3603] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.254675][ T3603] ? netlink_unicast+0x7f0/0x7f0 [ 51.254704][ T3603] ? sock_sendmsg+0xcf/0x120 [ 51.254730][ T3603] ? ____sys_sendmsg+0x6eb/0x810 [ 51.254757][ T3603] ? kernel_sendmsg+0x50/0x50 [ 51.254782][ T3603] ? do_recvmmsg+0x6d0/0x6d0 [ 51.254805][ T3603] ? debug_check_no_obj_freed+0x20c/0x420 [ 51.254835][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 51.254866][ T3603] ? ___sys_sendmsg+0xf3/0x170 [ 51.254888][ T3603] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.254916][ T3603] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.254945][ T3603] ? slab_free_freelist_hook+0x8b/0x1c0 [ 51.254979][ T3603] ? __fget_light+0x20f/0x270 [ 51.255008][ T3603] ? __x64_sys_sendmsg+0x132/0x220 [ 51.255030][ T3603] ? __sys_sendmsg+0x1b0/0x1b0 [ 51.255056][ T3603] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.255082][ T3603] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.255108][ T3603] ? do_syscall_64+0x35/0xb0 [ 51.255133][ T3603] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.255165][ T3603] [ 51.255173][ T3603] Modules linked in: [ 51.255183][ T3603] CR2: ffffffffa0000034 [ 51.255195][ T3603] ---[ end trace 0000000000000000 ]--- [ 51.255203][ T3603] RIP: 0010:0xffffffffa0000034 [ 51.255221][ T3603] Code: Unable to access opcode bytes at RIP 0xffffffffa000000a. [ 51.255230][ T3603] RSP: 0018:ffffc90002f5f898 EFLAGS: 00010246 [ 51.255247][ T3603] RAX: dffffc0000000000 RBX: 1ffff920005ebf1a RCX: 0000000000000000 [ 51.255262][ T3603] RDX: 1ffff9200001fc06 RSI: ffffc900000fe048 RDI: ffff8880211b98c0 [ 51.255276][ T3603] RBP: ffff8880211b98c0 R08: 0000000000000001 R09: 0000000000000000 [ 51.255290][ T3603] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 51.255303][ T3603] R13: 0000000000000001 R14: ffffc900000fe000 R15: 0000000000000000 [ 51.255317][ T3603] FS: 00007fd43a533840(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 51.255340][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.255355][ T3603] CR2: ffffffffa000000a CR3: 00000000226bd000 CR4: 00000000003506f0 [ 51.255370][ T3603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.255382][ T3603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.255397][ T3603] Kernel panic - not syncing: Fatal exception [ 51.256463][ T3603] Kernel Offset: disabled