./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2965277479 <...> Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. execve("./syz-executor2965277479", ["./syz-executor2965277479"], 0x7ffd555cfa20 /* 10 vars */) = 0 brk(NULL) = 0x555556034000 brk(0x555556034d40) = 0x555556034d40 arch_prctl(ARCH_SET_FS, 0x555556034400) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555560346d0) = 4998 set_robust_list(0x5555560346e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f2776ef68c0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f2776ef5e10}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f2776ef6960, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2776ef5e10}, 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-executor2965277479", 4096) = 28 brk(0x555556055d40) = 0x555556055d40 brk(0x555556056000) = 0x555556056000 mprotect(0x7f2776fb8000, 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() = 4998 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/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, "4998", 4) = 4 close(3) = 0 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+memory", 7) = 7 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 [ 54.809324][ T4998] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) [ 54.946400][ T4998] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 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=784, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=4998}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x2e\x00\x00\x00\x98\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) = 784 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {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=4998}, {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=4998}, {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=4998}, {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=4998}, {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=4998}, {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=0x7f2776ef0170, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f2776ef5e10}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f2776ef0170, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f2776ef5e10}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560346d0) = 5000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560346d0) = 5001 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560346d0) = 5002 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560346d0) = 5004 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5002 attached [pid 5002] set_robust_list(0x5555560346e0, 24) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x5555560346d0) = 5005 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getpid() = 5002 ./strace-static-x86_64: Process 5001 attached [pid 5001] set_robust_list(0x5555560346e0, 24 [pid 5002] mkdir("./syzkaller.qOye4o", 0700./strace-static-x86_64: Process 5004 attached [pid 5004] set_robust_list(0x5555560346e0, 24 [pid 5001] <... set_robust_list resumed>) = 0 [pid 5001] getpid( [pid 5004] <... set_robust_list resumed>) = 0 [pid 5004] getpid( [pid 5002] <... mkdir resumed>) = 0 [pid 5002] chmod("./syzkaller.qOye4o", 0777 [pid 5001] <... getpid resumed>) = 5001 [pid 5001] mkdir("./syzkaller.YmG3Tl", 0700 [pid 4998] <... clone resumed>, child_tidptr=0x5555560346d0) = 5006 [pid 5004] <... getpid resumed>) = 5004 [pid 5002] <... chmod resumed>) = 0 [pid 5004] mkdir("./syzkaller.QmKesz", 0700./strace-static-x86_64: Process 5000 attached [pid 5002] chdir("./syzkaller.qOye4o" [pid 5000] set_robust_list(0x5555560346e0, 24 [pid 5001] <... mkdir resumed>) = 0 [pid 5002] <... chdir resumed>) = 0 [pid 5000] <... set_robust_list resumed>) = 0 [pid 5000] getpid() = 5000 [pid 5000] mkdir("./syzkaller.6MuWBi", 0700 [pid 5004] <... mkdir resumed>) = 0 [pid 5002] unshare(CLONE_NEWPID [pid 5000] <... mkdir resumed>) = 0 [pid 5004] chmod("./syzkaller.QmKesz", 0777 [pid 5002] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5006 attached ./strace-static-x86_64: Process 5005 attached [pid 5004] <... chmod resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] chmod("./syzkaller.YmG3Tl", 0777 [pid 5000] chmod("./syzkaller.6MuWBi", 0777./strace-static-x86_64: Process 5007 attached [pid 5005] set_robust_list(0x5555560346e0, 24 [pid 5002] <... clone resumed>, child_tidptr=0x5555560346d0) = 5007 [pid 5007] set_robust_list(0x5555560346e0, 24 [pid 5001] <... chmod resumed>) = 0 [pid 5007] <... set_robust_list resumed>) = 0 [pid 5005] <... set_robust_list resumed>) = 0 [pid 5006] set_robust_list(0x5555560346e0, 24 [pid 5000] <... chmod resumed>) = 0 [pid 5007] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5005] getpid( [pid 5006] <... set_robust_list resumed>) = 0 [pid 5005] <... getpid resumed>) = 5005 [pid 5004] chdir("./syzkaller.QmKesz" [pid 5001] chdir("./syzkaller.YmG3Tl" [pid 5000] chdir("./syzkaller.6MuWBi" [pid 5007] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5005] mkdir("./syzkaller.oWGBLF", 0700) = 0 [pid 5006] getpid( [pid 5005] chmod("./syzkaller.oWGBLF", 0777 [pid 5007] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 5006] <... getpid resumed>) = 5006 [pid 5004] <... chdir resumed>) = 0 [pid 5001] <... chdir resumed>) = 0 [pid 5000] <... chdir resumed>) = 0 [pid 5005] <... chmod resumed>) = 0 [pid 5001] unshare(CLONE_NEWPID [pid 5006] mkdir("./syzkaller.0MwPgJ", 0700 [pid 5005] chdir("./syzkaller.oWGBLF" [pid 5001] <... unshare resumed>) = 0 [pid 5005] <... chdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... mkdir resumed>) = 0 [pid 5005] unshare(CLONE_NEWPID [pid 5004] unshare(CLONE_NEWPID [pid 5000] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5008 attached [pid 5005] <... unshare resumed>) = 0 [pid 5006] chmod("./syzkaller.0MwPgJ", 0777 [pid 5004] <... unshare resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555560346d0) = 5008 [pid 5000] <... unshare resumed>) = 0 [pid 5007] <... socket resumed>) = 3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... chmod resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] set_robust_list(0x5555560346e0, 24) = 0 [pid 5008] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5008] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5008] openat(AT_FDCWD, "/dev/vhci", O_RDWR [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... openat resumed>) = 4 [pid 5008] dup2(4, 202) = 202 [pid 5008] close(4) = 0 [pid 5007] openat(AT_FDCWD, "/dev/vhci", O_RDWR [pid 5006] chdir("./syzkaller.0MwPgJ" [pid 5008] write(202, "\xff\x00", 2./strace-static-x86_64: Process 5009 attached ./strace-static-x86_64: Process 5010 attached [pid 5007] <... openat resumed>) = 4 [pid 5006] <... chdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555560346d0) = 5009 [pid 5004] <... clone resumed>, child_tidptr=0x5555560346d0) = 5011 [pid 5000] <... clone resumed>, child_tidptr=0x5555560346d0) = 5010 [pid 5009] set_robust_list(0x5555560346e0, 24 [pid 5007] dup2(4, 202 [pid 5006] unshare(CLONE_NEWPID [pid 5010] set_robust_list(0x5555560346e0, 24 [pid 5009] <... set_robust_list resumed>) = 0 [pid 5007] <... dup2 resumed>) = 202 [pid 5006] <... unshare resumed>) = 0 [pid 5010] <... set_robust_list resumed>) = 0 [pid 5009] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5007] close(4 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5011 attached [pid 5007] <... close resumed>) = 0 [pid 5009] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5007] write(202, "\xff\x00", 2 [pid 5006] <... clone resumed>, child_tidptr=0x5555560346d0) = 5012 [pid 5010] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5009] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 5011] set_robust_list(0x5555560346e0, 24./strace-static-x86_64: Process 5012 attached [pid 5012] set_robust_list(0x5555560346e0, 24) = 0 [pid 5012] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5012] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5012] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5012] dup2(4, 202) = 202 [pid 5012] close(4) = 0 [pid 5012] write(202, "\xff\x00", 2 [pid 5008] <... write resumed>) = 2 [pid 5008] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5008] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f27766e4000 [pid 5008] mprotect(0x7f27766e5000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5008] clone(child_stack=0x7f2776ee42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] <... socket resumed>) = 3 [pid 5009] openat(AT_FDCWD, "/dev/vhci", O_RDWR [pid 5010] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5009] <... openat resumed>) = 4 [pid 5008] <... clone resumed>, parent_tid=[2], tls=0x7f2776ee4700, child_tidptr=0x7f2776ee49d0) = 2 [pid 5008] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 5015 attached [pid 5015] set_robust_list(0x7f2776ee49e0, 24 [pid 5012] <... write resumed>) = 2 [pid 5015] <... set_robust_list resumed>) = 0 [pid 5012] read(202, [pid 5009] dup2(4, 202 [pid 5015] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5015] 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 5012] <... read resumed>"\xff\x00\x02\x00", 4) = 4 [pid 5010] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 5009] <... dup2 resumed>) = 202 [pid 5015] read(202, [pid 5012] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] <... set_robust_list resumed>) = 0 [pid 5010] <... socket resumed>) = 3 [pid 5009] close(4 [pid 5007] <... write resumed>) = 2 [pid 5009] <... close resumed>) = 0 [pid 5009] write(202, "\xff\x00", 2 [pid 5012] <... mmap resumed>) = 0x7f27766e4000 [pid 5009] <... write resumed>) = 2 [pid 5011] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5010] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5012] mprotect(0x7f27766e5000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5010] dup2(4, 202) = 202 [pid 5011] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5010] close(4) = 0 [pid 5007] read(202, [pid 5010] write(202, "\xff\x00", 2 [pid 5007] <... read resumed>"\xff\x00\x01\x00", 4) = 4 [pid 5007] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f27766e4000 [pid 5007] mprotect(0x7f27766e5000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5012] clone(child_stack=0x7f2776ee42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 5007] clone(child_stack=0x7f2776ee42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... write resumed>) = 2 [pid 5011] <... socket resumed>) = 3 [pid 5011] openat(AT_FDCWD, "/dev/vhci", O_RDWR./strace-static-x86_64: Process 5019 attached ./strace-static-x86_64: Process 5018 attached [pid 5012] <... clone resumed>, parent_tid=[2], tls=0x7f2776ee4700, child_tidptr=0x7f2776ee49d0) = 2 [pid 5011] <... openat resumed>) = 4 [pid 5010] read(202, [pid 5009] read(202, [pid 5007] <... clone resumed>, parent_tid=[2], tls=0x7f2776ee4700, child_tidptr=0x7f2776ee49d0) = 2 [pid 5007] ioctl(3, HCIDEVUP [pid 5011] dup2(4, 202 [pid 5012] ioctl(3, HCIDEVUP [pid 5011] <... dup2 resumed>) = 202 [pid 5010] <... read resumed>"\xff\x00\x04\x00", 4) = 4 [pid 5009] <... read resumed>"\xff\x00\x03\x00", 4) = 4 [pid 5011] close(4 [pid 5009] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5015] <... read resumed>"\x01\x03\x10\x00", 1024) = 4 [pid 5011] <... close resumed>) = 0 [pid 5010] <... mmap resumed>) = 0x7f27766e4000 [pid 5009] <... mmap resumed>) = 0x7f27766e4000 [pid 5015] 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 [pid 5019] set_robust_list(0x7f2776ee49e0, 24 [pid 5015] <... writev resumed>) = 255 [pid 5019] <... set_robust_list resumed>) = 0 [pid 5015] read(202, [pid 5019] read(202, [pid 5011] write(202, "\xff\x00", 2 [pid 5009] mprotect(0x7f27766e5000, 8388608, PROT_READ|PROT_WRITE [pid 5010] mprotect(0x7f27766e5000, 8388608, PROT_READ|PROT_WRITE [pid 5019] <... read resumed>"\x01\x03\x0c\x00", 1024) = 4 [pid 5019] 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 5019] read(202, [pid 5010] <... mprotect resumed>) = 0 [pid 5009] <... mprotect resumed>) = 0 [pid 5011] <... write resumed>) = 2 [pid 5009] clone(child_stack=0x7f2776ee42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] clone(child_stack=0x7f2776ee42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] read(202, [pid 5018] set_robust_list(0x7f2776ee49e0, 24 [pid 5011] <... read resumed>"\xff\x00\x05\x00", 4) = 4 [pid 5010] <... clone resumed>, parent_tid=[2], tls=0x7f2776ee4700, child_tidptr=0x7f2776ee49d0) = 2 [pid 5009] <... clone resumed>, parent_tid=[2], tls=0x7f2776ee4700, child_tidptr=0x7f2776ee49d0) = 2 ./strace-static-x86_64: Process 5023 attached ./strace-static-x86_64: Process 5022 attached [pid 5018] <... set_robust_list resumed>) = 0 [pid 5011] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] ioctl(3, HCIDEVUP [pid 5009] ioctl(3, HCIDEVUP [pid 5023] set_robust_list(0x7f2776ee49e0, 24 [pid 5022] set_robust_list(0x7f2776ee49e0, 24 [pid 5018] read(202, [pid 5011] <... mmap resumed>) = 0x7f27766e4000 [pid 5023] <... set_robust_list resumed>) = 0 [pid 5022] <... set_robust_list resumed>) = 0 [pid 5018] <... read resumed>"\x01\x03\x0c\x00", 1024) = 4 [pid 5015] <... read resumed>"\x01\x01\x10\x00", 1024) = 4 [pid 5011] mprotect(0x7f27766e5000, 8388608, PROT_READ|PROT_WRITE [pid 5019] <... read resumed>"\x01\x03\x10\x00", 1024) = 4 [ 55.176055][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.203979][ T5020] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.212328][ T5020] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [pid 5019] 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 [pid 5023] read(202, [pid 5022] read(202, [pid 5019] <... writev resumed>) = 255 [pid 5018] 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 [pid 5015] 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 [pid 5011] <... mprotect resumed>) = 0 [pid 5023] <... read resumed>"\x01\x03\x0c\x00", 1024) = 4 [pid 5023] 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 5023] read(202, [pid 5022] <... read resumed>"\x01\x03\x0c\x00", 1024) = 4 [pid 5019] read(202, [pid 5018] <... writev resumed>) = 255 [pid 5015] <... writev resumed>) = 255 [pid 5011] clone(child_stack=0x7f2776ee42f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5023] <... read resumed>"\x01\x03\x10\x00", 1024) = 4 [pid 5022] 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 [pid 5019] <... read resumed>"\x01\x01\x10\x00", 1024) = 4 [pid 5018] read(202, [pid 5015] read(202, [pid 5018] <... read resumed>"\x01\x03\x10\x00", 1024) = 4 [pid 5015] <... read resumed>"\x01\x09\x10\x00", 1024) = 4 [pid 5011] <... clone resumed>, parent_tid=[2], tls=0x7f2776ee4700, child_tidptr=0x7f2776ee49d0) = 2 [pid 5023] 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 [pid 5018] 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 [pid 5015] 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 [pid 5011] ioctl(3, HCIDEVUP [pid 5023] <... writev resumed>) = 255 [pid 5018] <... writev resumed>) = 255 [pid 5023] read(202, [pid 5015] <... writev resumed>) = 13 [pid 5018] read(202, [pid 5015] read(202, ./strace-static-x86_64: Process 5027 attached [pid 5027] set_robust_list(0x7f2776ee49e0, 24) = 0 [pid 5027] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5027] 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 5027] read(202, [pid 5022] <... writev resumed>) = 255 [pid 5022] read(202, [pid 5019] 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 [ 55.221980][ T5020] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 55.230997][ T5020] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 55.232524][ T5025] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 55.239583][ T5020] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.256810][ T5020] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 55.257684][ T5024] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [pid 5019] read(202, [pid 5022] <... read resumed>"\x01\x03\x10\x00", 1024) = 4 [pid 5018] <... read resumed>"\x01\x01\x10\x00", 1024) = 4 [pid 5015] <... read resumed>"\x01\x05\x10\x00", 1024) = 4 [pid 5027] <... read resumed>"\x01\x03\x10\x00", 1024) = 4 [pid 5022] 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 [pid 5019] <... read resumed>"\x01\x09\x10\x00", 1024) = 4 [pid 5018] 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 [pid 5015] 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 [pid 5027] 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 [pid 5023] <... read resumed>"\x01\x01\x10\x00", 1024) = 4 [pid 5022] <... writev resumed>) = 255 [pid 5019] 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 [pid 5018] <... writev resumed>) = 255 [pid 5015] <... writev resumed>) = 14 [pid 5018] read(202, [pid 5023] 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 [pid 5015] read(202, [pid 5022] read(202, [pid 5023] <... writev resumed>) = 255 [pid 5022] <... read resumed>"\x01\x01\x10\x00", 1024) = 4 [pid 5019] <... writev resumed>) = 13 [pid 5023] read(202, [pid 5015] <... read resumed>"\x01\x23\x0c\x00", 1024) = 4 [pid 5022] 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 [pid 5023] <... read resumed>"\x01\x09\x10\x00", 1024) = 4 [pid 5022] <... writev resumed>) = 255 [ 55.265001][ T5020] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 55.272056][ T5024] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 55.281338][ T5025] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 55.292538][ T5020] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 55.300869][ T5025] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 55.308763][ T5026] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 55.309161][ T5020] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [pid 5015] 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 [pid 5023] 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 [pid 5015] <... writev resumed>) = 255 [pid 5022] read(202, [pid 5027] <... writev resumed>) = 255 [pid 5027] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5027] 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 5023] <... writev resumed>) = 13 [pid 5022] <... read resumed>"\x01\x09\x10\x00", 1024) = 4 [pid 5019] read(202, [pid 5018] <... read resumed>"\x01\x09\x10\x00", 1024) = 4 [pid 5015] read(202, [pid 5027] read(202, [pid 5023] read(202, [pid 5022] 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 [pid 5019] <... read resumed>"\x01\x05\x10\x00", 1024) = 4 [pid 5018] 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 [pid 5015] <... read resumed>"\x01\x14\x0c\x00", 1024) = 4 [pid 5023] <... read resumed>"\x01\x05\x10\x00", 1024) = 4 [pid 5022] <... writev resumed>) = 13 [pid 5019] 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 [pid 5018] <... writev resumed>) = 13 [pid 5015] 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 [pid 5023] 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 [pid 5022] read(202, [pid 5019] <... writev resumed>) = 14 [pid 5018] read(202, [pid 5015] <... writev resumed>) = 255 [pid 5023] <... writev resumed>) = 14 [pid 5022] <... read resumed>"\x01\x05\x10\x00", 1024) = 4 [pid 5019] read(202, [pid 5018] <... read resumed>"\x01\x05\x10\x00", 1024) = 4 [pid 5015] read(202, [pid 5023] read(202, [pid 5022] 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 [pid 5018] 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 [pid 5015] <... read resumed>"\x01\x25\x0c\x00", 1024) = 4 [pid 5023] <... read resumed>"\x01\x23\x0c\x00", 1024) = 4 [pid 5022] <... writev resumed>) = 14 [pid 5018] <... writev resumed>) = 14 [pid 5015] 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 [pid 5023] 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 [pid 5022] read(202, [pid 5018] read(202, [pid 5015] <... writev resumed>) = 255 [pid 5019] <... read resumed>"\x01\x23\x0c\x00", 1024) = 4 [pid 5019] 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 [pid 5027] <... read resumed>"\x01\x09\x10\x00", 1024) = 4 [pid 5023] <... writev resumed>) = 255 [pid 5022] <... read resumed>"\x01\x23\x0c\x00", 1024) = 4 [pid 5019] <... writev resumed>) = 255 [pid 5018] <... read resumed>"\x01\x23\x0c\x00", 1024) = 4 [pid 5015] read(202, [pid 5019] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5019] 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 5019] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5019] 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 [pid 5027] 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 [pid 5023] read(202, [pid 5022] 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 [pid 5019] <... writev resumed>) = 255 [pid 5018] 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 [pid 5015] <... read resumed>"\x01\x38\x0c\x00", 1024) = 4 [pid 5027] <... writev resumed>) = 13 [pid 5022] <... writev resumed>) = 255 [pid 5019] read(202, "\x01\x38\x0c\x00", 1024) = 4 [ 55.323896][ T5020] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 55.331435][ T5020] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.333794][ T5025] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 55.345123][ T5028] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.347475][ T5020] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 55.352861][ T5028] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 55.363502][ T5025] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [pid 5019] 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 [pid 5027] read(202, [pid 5022] read(202, [pid 5019] <... writev resumed>) = 255 [pid 5018] <... writev resumed>) = 255 [pid 5015] 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 [pid 5019] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5019] 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 5019] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5019] 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 5019] read(202, [pid 5023] <... read resumed>"\x01\x14\x0c\x00", 1024) = 4 [pid 5023] 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 5023] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5023] 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 [pid 5027] <... read resumed>"\x01\x05\x10\x00", 1024) = 4 [pid 5023] <... writev resumed>) = 255 [pid 5022] <... read resumed>"\x01\x14\x0c\x00", 1024) = 4 [pid 5018] read(202, [pid 5015] <... writev resumed>) = 255 [pid 5007] <... ioctl resumed>, 0x1) = -1 EALREADY (Operation already in progress) [pid 5023] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5023] 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 [pid 5027] 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 [pid 5023] <... writev resumed>) = 255 [pid 5022] 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 [pid 5018] <... read resumed>"\x01\x14\x0c\x00", 1024) = 4 [pid 5015] read(202, [pid 5007] ioctl(3, HCISETSCAN [pid 5027] <... writev resumed>) = 14 [pid 5023] read(202, [pid 5022] <... writev resumed>) = 255 [pid 5018] 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 [pid 5015] <... read resumed>"\x01\x39\x0c\x00", 1024) = 4 [pid 5027] read(202, [pid 5022] read(202, [pid 5018] <... writev resumed>) = 255 [pid 5015] 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 [pid 5022] <... read resumed>"\x01\x25\x0c\x00", 1024) = 4 [pid 5018] read(202, [pid 5015] <... writev resumed>) = 255 [pid 5022] 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 [pid 5018] <... read resumed>"\x01\x25\x0c\x00", 1024) = 4 [pid 5015] read(202, [pid 5022] <... writev resumed>) = 255 [pid 5019] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5022] read(202, [pid 5019] 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 5018] 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 [pid 5015] <... read resumed>"\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5027] <... read resumed>"\x01\x23\x0c\x00", 1024) = 4 [pid 5023] <... read resumed>"\x01\x39\x0c\x00", 1024) = 4 [pid 5022] <... read resumed>"\x01\x38\x0c\x00", 1024) = 4 [pid 5019] <... writev resumed>) = 7 [pid 5018] <... writev resumed>) = 255 [pid 5007] <... ioctl resumed>, 0x7fff533df6c0) = 0 [pid 5019] madvise(0x7f27766e4000, 8372224, MADV_DONTNEED) = 0 [pid 5019] exit(0) = ? [pid 5019] +++ exited with 0 +++ [pid 5015] 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 [ 55.367508][ T5028] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 55.376005][ T5025] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 55.381114][ T5028] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 55.393615][ T5025] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 55.394843][ T5028] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.403138][ T5025] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 55.414519][ T5028] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [pid 5015] read(202, [pid 5027] 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 [pid 5023] 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 [pid 5022] 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 [pid 5018] read(202, [pid 5007] 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 [pid 5027] <... writev resumed>) = 255 [pid 5023] <... writev resumed>) = 255 [pid 5022] <... writev resumed>) = 255 [pid 5008] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5027] read(202, [pid 5008] ioctl(3, HCISETSCAN [pid 5015] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5015] 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) = 7 [pid 5008] <... ioctl resumed>, 0x7fff533df6c0) = 0 [pid 5015] madvise(0x7f27766e4000, 8372224, MADV_DONTNEED [pid 5008] 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 [pid 5015] <... madvise resumed>) = 0 [pid 5008] <... writev resumed>) = 13 [pid 5015] exit(0 [pid 5008] 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 [pid 5023] read(202, [pid 5022] read(202, [pid 5018] <... read resumed>"\x01\x38\x0c\x00", 1024) = 4 [pid 5015] <... exit resumed>) = ? [pid 5008] <... writev resumed>) = 14 [pid 5007] <... writev resumed>) = 13 [pid 5027] <... read resumed>"\x01\x14\x0c\x00", 1024) = 4 [pid 5023] <... read resumed>"\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5022] <... read resumed>"\x01\x39\x0c\x00", 1024) = 4 [pid 5018] 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 [pid 5015] +++ exited with 0 +++ [pid 5008] 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 [pid 5007] 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 [pid 5027] 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 [pid 5023] 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 5022] 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 [pid 5018] <... writev resumed>) = 255 [pid 5008] <... writev resumed>) = 14 [pid 5007] <... writev resumed>) = 14 [pid 5023] <... writev resumed>) = 255 [pid 5022] <... writev resumed>) = 255 [pid 5018] read(202, [pid 5008] 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 [pid 5007] 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 [pid 5023] read(202, [pid 5022] read(202, [pid 5008] <... writev resumed>) = 22 [pid 5007] <... writev resumed>) = 14 [pid 5022] <... read resumed>"\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5008] close(3 [pid 5007] 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 [pid 5027] <... writev resumed>) = 255 [pid 5022] 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 5018] <... read resumed>"\x01\x39\x0c\x00", 1024) = 4 [pid 5010] <... ioctl resumed>, 0x4) = -1 EALREADY (Operation already in progress) [pid 5008] <... close resumed>) = 0 [pid 5007] <... writev resumed>) = 22 [pid 5022] <... writev resumed>) = 255 [pid 5018] 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 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] close(3 [pid 5027] read(202, [pid 5022] read(202, [pid 5018] <... writev resumed>) = 255 [pid 5010] ioctl(3, HCISETSCAN [pid 5008] <... prctl resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5018] read(202, [pid 5009] <... ioctl resumed>, 0x3) = -1 EALREADY (Operation already in progress) [pid 5008] setsid( [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5027] <... read resumed>"\x01\x25\x0c\x00", 1024) = 4 [pid 5023] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5018] <... read resumed>"\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5008] <... setsid resumed>) = 1 [pid 5007] <... prctl resumed>) = 0 [pid 5027] 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 [pid 5023] 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 5018] 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 5009] ioctl(3, HCISETSCAN [pid 5008] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5007] setsid( [pid 5027] <... writev resumed>) = 255 [pid 5027] read(202, [pid 5023] <... writev resumed>) = 7 [pid 5010] <... ioctl resumed>, 0x7fff533df6c0) = 0 [pid 5023] madvise(0x7f27766e4000, 8372224, MADV_DONTNEED [pid 5010] 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 [pid 5023] <... madvise resumed>) = 0 [pid 5010] <... writev resumed>) = 13 [pid 5023] exit(0 [pid 5010] 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 [pid 5023] <... exit resumed>) = ? [pid 5022] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5018] <... writev resumed>) = 255 [pid 5012] <... ioctl resumed>, 0x2) = -1 EALREADY (Operation already in progress) [pid 5010] <... writev resumed>) = 14 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... setsid resumed>) = 1 [pid 5027] <... read resumed>"\x01\x38\x0c\x00", 1024) = 4 [pid 5023] +++ exited with 0 +++ [ 55.423657][ T5028] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 55.426355][ T5025] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 55.432141][ T5028] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 55.447566][ T5025] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 55.460248][ T5017] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [pid 5022] 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 5018] read(202, [pid 5012] ioctl(3, HCISETSCAN [pid 5010] 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 [pid 5008] dup2(3, 201 [pid 5007] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5027] 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 [pid 5022] <... writev resumed>) = 7 [pid 5018] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5010] <... writev resumed>) = 14 [pid 5009] <... ioctl resumed>, 0x7fff533df6c0) = 0 [pid 5010] 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 [pid 5009] 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 [pid 5010] <... writev resumed>) = 22 [pid 5009] <... writev resumed>) = 13 [pid 5010] close(3 [pid 5009] 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 [pid 5010] <... close resumed>) = 0 [pid 5009] <... writev resumed>) = 14 [pid 5008] <... dup2 resumed>) = 201 [pid 5007] <... openat resumed>) = 3 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] 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 [pid 5010] <... prctl resumed>) = 0 [pid 5009] <... writev resumed>) = 14 [pid 5010] setsid( [pid 5009] 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 [pid 5010] <... setsid resumed>) = 1 [pid 5009] <... writev resumed>) = 22 [pid 5010] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5009] futex(0x7f2776ee49d0, FUTEX_WAIT, 2, NULL [pid 5010] <... openat resumed>) = 3 [pid 5010] dup2(3, 201) = 201 [pid 5010] close(3) = 0 [pid 5010] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5010] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5010] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5010] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5010] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5010] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5010] unshare(CLONE_NEWNS) = 0 [pid 5010] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5010] unshare(CLONE_NEWIPC) = 0 [pid 5010] unshare(CLONE_NEWCGROUP) = 0 [pid 5010] unshare(CLONE_NEWUTS) = 0 [pid 5022] madvise(0x7f27766e4000, 8372224, MADV_DONTNEED [pid 5018] 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 5010] unshare(CLONE_SYSVSEM) = 0 [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "16777216", 8) = 8 [pid 5027] <... writev resumed>) = 255 [pid 5022] <... madvise resumed>) = 0 [pid 5018] <... writev resumed>) = 7 [pid 5012] <... ioctl resumed>, 0x7fff533df6c0) = 0 [pid 5008] close(3 [pid 5007] dup2(3, 201 [pid 5027] read(202, [pid 5022] exit(0 [pid 5018] madvise(0x7f27766e4000, 8372224, MADV_DONTNEED [pid 5012] 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 [pid 5010] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] <... dup2 resumed>) = 201 [pid 5027] <... read resumed>"\x01\x39\x0c\x00", 1024) = 4 [pid 5022] <... exit resumed>) = ? [pid 5018] <... madvise resumed>) = 0 [pid 5008] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5007] close(3 [pid 5027] 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 [pid 5022] +++ exited with 0 +++ [pid 5018] exit(0 [pid 5012] <... writev resumed>) = 13 [pid 5010] <... close resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5008] <... prlimit64 resumed>NULL) = 0 [pid 5007] <... close resumed>) = 0 [pid 5027] <... writev resumed>) = 255 [pid 5018] <... exit resumed>) = ? [pid 5012] 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 [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5009] close(3 [pid 5008] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5007] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5027] read(202, [pid 5018] +++ exited with 0 +++ [pid 5012] <... writev resumed>) = 14 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5008] <... prlimit64 resumed>NULL) = 0 [pid 5007] <... prlimit64 resumed>NULL) = 0 [pid 5027] <... read resumed>"\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5012] 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 [pid 5010] write(3, "536870912", 9 [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5007] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5027] 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 5012] <... writev resumed>) = 14 [pid 5010] <... write resumed>) = 9 [pid 5009] <... prctl resumed>) = 0 [pid 5008] <... prlimit64 resumed>NULL) = 0 [pid 5007] <... prlimit64 resumed>NULL) = 0 [pid 5027] <... writev resumed>) = 255 [pid 5012] 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 [pid 5011] <... ioctl resumed>, 0x5) = -1 EALREADY (Operation already in progress) [pid 5010] close(3 [pid 5009] setsid( [pid 5008] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5007] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5027] read(202, [pid 5012] <... writev resumed>) = 22 [pid 5011] ioctl(3, HCISETSCAN [pid 5010] <... close resumed>) = 0 [pid 5008] <... prlimit64 resumed>NULL) = 0 [pid 5007] <... prlimit64 resumed>NULL) = 0 [pid 5008] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5007] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5012] close(3 [pid 5009] <... setsid resumed>) = 1 [pid 5008] <... prlimit64 resumed>NULL) = 0 [pid 5007] <... prlimit64 resumed>NULL) = 0 [pid 5027] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5027] 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 5012] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5007] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5027] <... writev resumed>) = 7 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] <... ioctl resumed>, 0x7fff533df6c0) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... prlimit64 resumed>NULL) = 0 [pid 5007] <... prlimit64 resumed>NULL) = 0 [pid 5027] madvise(0x7f27766e4000, 8372224, MADV_DONTNEED [pid 5012] <... prctl resumed>) = 0 [pid 5011] 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 [pid 5010] write(3, "1024", 4 [pid 5009] <... openat resumed>) = 3 [pid 5008] unshare(CLONE_NEWNS [pid 5007] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5027] <... madvise resumed>) = 0 [pid 5012] setsid( [pid 5011] <... writev resumed>) = 13 [pid 5010] <... write resumed>) = 4 [pid 5009] dup2(3, 201 [pid 5008] <... unshare resumed>) = 0 [pid 5007] <... prlimit64 resumed>NULL) = 0 [pid 5027] exit(0 [pid 5012] <... setsid resumed>) = 1 [pid 5011] 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 [pid 5010] close(3 [pid 5009] <... dup2 resumed>) = 201 [pid 5008] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5007] unshare(CLONE_NEWNS [pid 5027] <... exit resumed>) = ? [pid 5012] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5011] <... writev resumed>) = 14 [pid 5010] <... close resumed>) = 0 [pid 5009] close(3 [pid 5008] <... mount resumed>) = 0 [pid 5007] <... unshare resumed>) = 0 [pid 5027] +++ exited with 0 +++ [pid 5008] unshare(CLONE_NEWIPC [pid 5007] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5012] <... openat resumed>) = 3 [pid 5011] 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 [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5009] <... close resumed>) = 0 [pid 5008] <... unshare resumed>) = 0 [pid 5007] <... mount resumed>) = 0 [pid 5012] dup2(3, 201 [pid 5011] <... writev resumed>) = 14 [pid 5010] <... openat resumed>) = 3 [pid 5009] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5008] unshare(CLONE_NEWCGROUP [pid 5007] unshare(CLONE_NEWIPC [pid 5012] <... dup2 resumed>) = 201 [pid 5011] 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 [pid 5010] write(3, "8192", 4 [pid 5009] <... prlimit64 resumed>NULL) = 0 [pid 5008] <... unshare resumed>) = 0 [pid 5007] <... unshare resumed>) = 0 [pid 5012] close(3 [pid 5011] <... writev resumed>) = 22 [pid 5010] <... write resumed>) = 4 [pid 5008] unshare(CLONE_NEWUTS [pid 5007] unshare(CLONE_NEWCGROUP [pid 5008] <... unshare resumed>) = 0 [pid 5007] <... unshare resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 5010] close(3 [pid 5009] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5008] unshare(CLONE_SYSVSEM [pid 5007] unshare(CLONE_NEWUTS [pid 5012] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5011] <... close resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... prlimit64 resumed>NULL) = 0 [pid 5008] <... unshare resumed>) = 0 [pid 5007] <... unshare resumed>) = 0 [pid 5012] <... prlimit64 resumed>NULL) = 0 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5009] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5007] unshare(CLONE_SYSVSEM [pid 5012] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5011] <... prctl resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... prlimit64 resumed>NULL) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... unshare resumed>) = 0 [pid 5012] <... prlimit64 resumed>NULL) = 0 [pid 5011] setsid( [pid 5010] write(3, "1024", 4 [pid 5009] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5008] write(3, "16777216", 8 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5012] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5011] <... setsid resumed>) = 1 [pid 5010] <... write resumed>) = 4 [pid 5009] <... prlimit64 resumed>NULL) = 0 [pid 5008] <... write resumed>) = 8 [pid 5007] <... openat resumed>) = 3 [pid 5012] <... prlimit64 resumed>NULL) = 0 [pid 5011] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5010] close(3 [pid 5009] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5008] close(3 [pid 5007] write(3, "16777216", 8 [pid 5012] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 8 [pid 5012] <... prlimit64 resumed>NULL) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5009] <... prlimit64 resumed>NULL) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5012] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5011] dup2(3, 201 [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5009] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5012] <... prlimit64 resumed>NULL) = 0 [pid 5011] <... dup2 resumed>) = 201 [pid 5008] write(3, "536870912", 9 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5012] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [ 55.473342][ T5014] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [pid 5011] close(3 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... prlimit64 resumed>NULL) = 0 [pid 5008] <... write resumed>) = 9 [pid 5007] <... openat resumed>) = 3 [pid 5012] <... prlimit64 resumed>NULL) = 0 [pid 5011] <... close resumed>) = 0 [pid 5010] write(3, "1024", 4 [pid 5009] unshare(CLONE_NEWNS [pid 5008] close(3 [pid 5007] write(3, "536870912", 9 [pid 5012] unshare(CLONE_NEWNS [pid 5011] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5010] <... write resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 9 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5009] <... unshare resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5008] write(3, "1024", 4 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5012] <... unshare resumed>) = 0 [pid 5011] <... prlimit64 resumed>NULL) = 0 [pid 5010] close(3 [pid 5009] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5008] <... write resumed>) = 4 [pid 5007] <... openat resumed>) = 3 [pid 5012] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5011] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5010] <... close resumed>) = 0 [pid 5008] close(3 [pid 5007] write(3, "1024", 4 [pid 5012] <... mount resumed>) = 0 [pid 5011] <... prlimit64 resumed>NULL) = 0 [pid 5010] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5009] <... mount resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 4 [pid 5012] unshare(CLONE_NEWIPC [pid 5011] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5012] <... unshare resumed>) = 0 [pid 5011] <... prlimit64 resumed>NULL) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] unshare(CLONE_NEWIPC [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5012] unshare(CLONE_NEWCGROUP [pid 5011] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5010] write(3, "1024 1048576 500 1024", 21 [pid 5008] write(3, "8192", 4 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5012] <... unshare resumed>) = 0 [pid 5011] <... prlimit64 resumed>NULL) = 0 [pid 5010] <... write resumed>) = 21 [pid 5009] <... unshare resumed>) = 0 [pid 5008] <... write resumed>) = 4 [pid 5007] <... openat resumed>) = 3 [pid 5012] unshare(CLONE_NEWUTS [pid 5011] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5010] close(3 [pid 5009] unshare(CLONE_NEWCGROUP [pid 5008] close(3 [pid 5007] write(3, "8192", 4 [pid 5012] <... unshare resumed>) = 0 [pid 5011] <... prlimit64 resumed>NULL) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... unshare resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 4 [pid 5012] unshare(CLONE_SYSVSEM [pid 5011] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5010] getpid( [pid 5009] unshare(CLONE_NEWUTS [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5012] <... unshare resumed>) = 0 [pid 5011] <... prlimit64 resumed>NULL) = 0 [pid 5010] <... getpid resumed>) = 1 [pid 5009] <... unshare resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5011] unshare(CLONE_NEWNS [pid 5010] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5009] unshare(CLONE_SYSVSEM [pid 5008] write(3, "1024", 4 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 5008] <... write resumed>) = 4 [pid 5007] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] write(3, "1024", 4 [pid 5012] write(3, "16777216", 8 [pid 5011] <... unshare resumed>) = 0 [pid 5010] <... capget resumed>{effective=1<) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 4 [pid 5012] <... write resumed>) = 8 [pid 5011] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5010] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5012] close(3 [pid 5011] <... mount resumed>) = 0 [pid 5010] <... capset resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5011] unshare(CLONE_NEWIPC [pid 5010] unshare(CLONE_NEWNET [pid 5009] write(3, "16777216", 8 [pid 5008] write(3, "1024", 4 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5011] <... unshare resumed>) = 0 [pid 5008] <... write resumed>) = 4 [pid 5007] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] write(3, "1024", 4 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 4 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5008] write(3, "1024 1048576 500 1024", 21 [pid 5007] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5008] <... write resumed>) = 21 [pid 5007] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] write(3, "1024 1048576 500 1024", 21 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 21 [pid 5008] getpid( [pid 5007] close(3 [pid 5008] <... getpid resumed>) = 1 [pid 5007] <... close resumed>) = 0 [pid 5008] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5007] getpid( [pid 5008] <... capget resumed>{effective=1<) = 1 [pid 5008] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5007] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5008] <... capset resumed>) = 0 [pid 5007] <... capget resumed>{effective=1< [pid 5007] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5012] <... openat resumed>) = 3 [pid 5011] unshare(CLONE_NEWCGROUP [pid 5009] <... write resumed>) = 8 [pid 5007] <... capset resumed>) = 0 [pid 5012] write(3, "536870912", 9 [pid 5011] <... unshare resumed>) = 0 [pid 5009] close(3 [pid 5007] unshare(CLONE_NEWNET [pid 5012] <... write resumed>) = 9 [pid 5011] unshare(CLONE_NEWUTS [pid 5009] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] <... unshare resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5012] <... close resumed>) = 0 [pid 5011] unshare(CLONE_SYSVSEM [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5011] <... unshare resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5009] write(3, "536870912", 9 [pid 5012] write(3, "1024", 4) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... write resumed>) = 9 [pid 5012] close(3 [pid 5011] write(3, "16777216", 8 [pid 5009] close(3 [pid 5012] <... close resumed>) = 0 [pid 5011] <... write resumed>) = 8 [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5009] <... close resumed>) = 0 [pid 5011] close(3 [pid 5012] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5012] write(3, "8192", 4 [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5012] <... write resumed>) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5009] write(3, "1024", 4 [pid 5012] close(3 [pid 5011] write(3, "536870912", 9 [pid 5009] <... write resumed>) = 4 [pid 5012] <... close resumed>) = 0 [pid 5011] <... write resumed>) = 9 [pid 5009] close(3 [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5012] write(3, "1024", 4 [pid 5011] write(3, "1024", 4 [pid 5009] write(3, "8192", 4) = 4 [pid 5011] <... write resumed>) = 4 [pid 5012] <... write resumed>) = 4 [pid 5009] close(3 [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5012] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5009] write(3, "1024", 4 [pid 5012] write(3, "1024", 4 [pid 5011] write(3, "8192", 4 [pid 5009] <... write resumed>) = 4 [pid 5012] <... write resumed>) = 4 [pid 5011] <... write resumed>) = 4 [pid 5009] close(3 [pid 5012] close(3 [pid 5011] close(3 [pid 5012] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5012] write(3, "1024 1048576 500 1024", 21 [pid 5009] <... openat resumed>) = 3 [pid 5011] write(3, "1024", 4 [pid 5012] <... write resumed>) = 21 [pid 5012] close(3 [pid 5011] <... write resumed>) = 4 [pid 5009] write(3, "1024", 4 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 5012] getpid( [pid 5009] <... write resumed>) = 4 [pid 5012] <... getpid resumed>) = 1 [pid 5011] <... close resumed>) = 0 [pid 5012] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5009] close(3 [pid 5012] <... capget resumed>{effective=1< [pid 5011] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5011] write(3, "1024", 4 [pid 5009] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5011] <... write resumed>) = 4 [pid 5009] <... openat resumed>) = 3 [pid 5011] close(3 [pid 5009] write(3, "1024 1048576 500 1024", 21 [pid 5011] <... close resumed>) = 0 [pid 5009] <... write resumed>) = 21 [pid 5011] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5009] close(3 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5011] write(3, "1024 1048576 500 1024", 21 [pid 5009] getpid( [pid 5011] <... write resumed>) = 21 [pid 5009] <... getpid resumed>) = 1 [pid 5011] close(3 [pid 5009] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5011] <... close resumed>) = 0 [pid 5009] <... capget resumed>{effective=1< [pid 5009] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5011] <... getpid resumed>) = 1 [pid 5009] <... capset resumed>) = 0 [pid 5011] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5009] unshare(CLONE_NEWNET [pid 5011] <... capget resumed>{effective=1< [pid 5007] <... unshare resumed>) = 0 [pid 5008] <... unshare resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5007] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5008] write(3, "0 65535", 7) = 7 [pid 5007] <... openat resumed>) = 3 [pid 5007] write(3, "0 65535", 7) = 7 [pid 5007] close(3 [pid 5008] close(3 [pid 5007] <... close resumed>) = 0 [pid 5007] mkdir("/dev/binderfs", 0777) = 0 [pid 5007] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5008] <... close resumed>) = 0 [pid 5008] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5008] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5007] <... mount resumed>) = 0 [pid 5010] <... unshare resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "0 65535", 7 [pid 5008] <... mount resumed>) = 0 [pid 5008] getpid() = 1 [pid 5008] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5010] <... write resumed>) = 7 [pid 5010] close(3) = 0 [pid 5010] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5010] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 5010] getpid( [pid 5008] <... mkdir resumed>) = 0 [pid 5010] <... getpid resumed>) = 1 [pid 5010] mkdir("/syzcgroup/unified/syz0", 0777) = 0 [pid 5010] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "32", 2) = 2 [pid 5010] close(3) = 0 [pid 5010] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "312475648", 9 [pid 5008] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5007] getpid( [pid 5010] <... write resumed>) = 9 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... getpid resumed>) = 1 [pid 5008] write(3, "32", 2) = 2 [pid 5007] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5008] close(3 [pid 5010] close(3) = 0 [pid 5010] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.high", O_WRONLY|O_CLOEXEC [pid 5008] <... close resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.low", O_WRONLY|O_CLOEXEC [pid 5007] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5010] <... openat resumed>) = 3 [pid 5010] write(3, "313524224", 9) = 9 [pid 5010] close(3) = 0 [pid 5010] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.max", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "314572800", 9) = 9 [pid 5010] close(3) = 0 [pid 5010] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "1", 1 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... openat resumed>) = 3 [pid 5008] write(3, "312475648", 9 [pid 5007] write(3, "32", 2 [pid 5008] <... write resumed>) = 9 [pid 5007] <... write resumed>) = 2 [pid 5008] close(3 [pid 5007] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.high", O_WRONLY|O_CLOEXEC [pid 5007] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.low", O_WRONLY|O_CLOEXEC [pid 5008] <... openat resumed>) = 3 [pid 5008] write(3, "313524224", 9 [pid 5007] <... openat resumed>) = 3 [pid 5008] <... write resumed>) = 9 [pid 5007] write(3, "312475648", 9 [pid 5008] close(3 [pid 5007] <... write resumed>) = 9 [pid 5008] <... close resumed>) = 0 [pid 5007] close(3 [pid 5008] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.max", O_WRONLY|O_CLOEXEC [pid 5007] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.high", O_WRONLY|O_CLOEXEC [pid 5008] write(3, "314572800", 9) = 9 [pid 5007] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] write(3, "313524224", 9 [pid 5008] <... close resumed>) = 0 [pid 5007] <... write resumed>) = 9 [pid 5008] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5007] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5008] write(3, "1", 1 [pid 5007] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.max", O_WRONLY|O_CLOEXEC) = 3 [pid 5007] write(3, "314572800", 9 [pid 5008] <... write resumed>) = 1 [pid 5007] <... write resumed>) = 9 [pid 5008] close(3 [pid 5007] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5008] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5010] <... write resumed>) = 1 [pid 5007] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5010] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5007] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 5007] write(3, "1", 1 [pid 5010] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5008] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5008] write(3, "1", 1 [pid 5007] <... write resumed>) = 1 [pid 5010] write(3, "1", 1 [pid 5007] close(3) = 0 [pid 5007] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5010] <... write resumed>) = 1 [pid 5007] <... mkdir resumed>) = 0 [pid 5010] close(3 [pid 5012] <... unshare resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5007] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5010] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5012] write(3, "0 65535", 7) = 7 [pid 5010] mkdir("/syzcgroup/net/syz0", 0777 [pid 5007] <... openat resumed>) = 3 [pid 5012] close(3) = 0 [pid 5012] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5007] write(3, "1", 1 [pid 5012] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 5012] getpid() = 1 [pid 5012] mkdir("/syzcgroup/unified/syz5", 0777 [pid 5008] <... write resumed>) = 1 [pid 5008] close(3) = 0 [pid 5008] mkdir("/syzcgroup/net/syz1", 0777 [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... write resumed>) = 1 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] close(3 [pid 5010] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5007] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5007] mkdir("/syzcgroup/net/syz2", 0777 [pid 5008] <... openat resumed>) = 3 [pid 5010] write(3, "1", 1 [pid 5008] write(3, "1", 1 [pid 5007] <... mkdir resumed>) = 0 [pid 5008] <... write resumed>) = 1 [pid 5007] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5008] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5007] write(3, "1", 1 [pid 5008] mkdir("./0", 0777 [pid 5007] <... write resumed>) = 1 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... close resumed>) = 0 [pid 5007] mkdir("./0", 0777./strace-static-x86_64: Process 5033 attached [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... mkdir resumed>) = 0 [pid 5010] <... write resumed>) = 1 [pid 5010] close(3) = 0 [pid 5010] mkdir("./0", 0777 [pid 5012] openat(AT_FDCWD, "/syzcgroup/unified/syz5/pids.max", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... openat resumed>) = 3 [pid 5012] write(3, "32", 2./strace-static-x86_64: Process 5036 attached ./strace-static-x86_64: Process 5035 attached [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 3 [pid 5010] <... clone resumed>, child_tidptr=0x5555560346d0) = 3 [pid 5036] set_robust_list(0x5555560346e0, 24) = 0 [pid 5035] set_robust_list(0x5555560346e0, 24 [pid 5036] chdir("./0" [pid 5035] <... set_robust_list resumed>) = 0 [pid 5033] set_robust_list(0x5555560346e0, 24 [pid 5012] <... write resumed>) = 2 [pid 5012] close(3) = 0 [pid 5012] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 5012] write(3, "312475648", 9) = 9 [pid 5012] close(3) = 0 [pid 5012] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.high", O_WRONLY|O_CLOEXEC [pid 5036] <... chdir resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5035] chdir("./0" [pid 5033] <... set_robust_list resumed>) = 0 [pid 5036] <... prctl resumed>) = 0 [pid 5035] <... chdir resumed>) = 0 [pid 5033] chdir("./0" [pid 5012] write(3, "313524224", 9 [pid 5036] setpgid(0, 0 [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5036] <... setpgid resumed>) = 0 [pid 5033] <... chdir resumed>) = 0 [pid 5035] <... prctl resumed>) = 0 [pid 5036] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5035] setpgid(0, 0 [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5036] <... symlink resumed>) = 0 [pid 5035] <... setpgid resumed>) = 0 [pid 5033] <... prctl resumed>) = 0 [pid 5012] <... write resumed>) = 9 [pid 5036] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5035] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5036] <... symlink resumed>) = 0 [pid 5033] setpgid(0, 0 [pid 5035] <... symlink resumed>) = 0 [pid 5036] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5033] <... setpgid resumed>) = 0 [pid 5035] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5012] close(3 [pid 5036] <... symlink resumed>) = 0 [pid 5033] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5035] <... symlink resumed>) = 0 [pid 5033] <... symlink resumed>) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5035] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5033] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5012] <... close resumed>) = 0 [pid 5036] <... openat resumed>) = 3 [pid 5033] <... symlink resumed>) = 0 [pid 5036] write(3, "1000", 4 [pid 5035] <... symlink resumed>) = 0 [pid 5033] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5012] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.max", O_WRONLY|O_CLOEXEC [pid 5009] <... unshare resumed>) = 0 [pid 5033] <... symlink resumed>) = 0 [pid 5036] <... write resumed>) = 4 [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5012] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5033] <... openat resumed>) = 3 [pid 5009] write(3, "0 65535", 7 [pid 5036] close(3 [pid 5035] <... openat resumed>) = 3 [pid 5033] write(3, "1000", 4 [pid 5009] <... write resumed>) = 7 [pid 5009] close(3 [pid 5036] <... close resumed>) = 0 [pid 5035] write(3, "1000", 4 [pid 5033] <... write resumed>) = 4 [pid 5012] write(3, "314572800", 9 [pid 5011] <... unshare resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5036] symlink("/dev/binderfs", "./binderfs" [pid 5035] <... write resumed>) = 4 [pid 5033] close(3 [pid 5012] <... write resumed>) = 9 [pid 5011] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5009] mkdir("/dev/binderfs", 0777 [pid 5036] <... symlink resumed>) = 0 [pid 5035] close(3 [pid 5033] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5036] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5035] <... close resumed>) = 0 [pid 5033] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... close resumed>) = 0 [pid 5011] write(3, "0 65535", 7 [pid 5009] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5036] <... openat resumed>) = 3 [pid 5035] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... symlink resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/syzcgroup/unified/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5011] <... write resumed>) = 7 [pid 5009] <... mount resumed>) = 0 [pid 5036] setns(201, 0 [pid 5035] <... symlink resumed>) = 0 [pid 5033] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5012] <... openat resumed>) = 3 [pid 5011] close(3 [pid 5009] getpid( [pid 5036] <... setns resumed>) = 0 [pid 5035] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5033] <... openat resumed>) = 3 [pid 5012] write(3, "1", 1 [pid 5011] <... close resumed>) = 0 [pid 5009] <... getpid resumed>) = 1 [pid 5036] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5035] <... openat resumed>) = 3 [pid 5033] setns(201, 0 [pid 5012] <... write resumed>) = 1 [pid 5011] mkdir("/dev/binderfs", 0777 [pid 5009] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5036] <... socket resumed>) = 4 [pid 5035] setns(201, 0 [pid 5033] <... setns resumed>) = 0 [pid 5012] close(3 [pid 5011] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5009] <... mkdir resumed>) = 0 [pid 5036] setns(3, 0 [pid 5035] <... setns resumed>) = 0 [pid 5033] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5012] <... close resumed>) = 0 [pid 5011] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5009] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5036] <... setns resumed>) = 0 [pid 5035] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5033] <... socket resumed>) = 4 [pid 5012] mkdir("/syzcgroup/cpu/syz5", 0777 [pid 5011] <... mount resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5036] close(3 [pid 5035] <... socket resumed>) = 4 [pid 5033] setns(3, 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] getpid( [pid 5009] write(3, "32", 2 [pid 5036] <... close resumed>) = 0 [pid 5035] setns(3, 0 [pid 5033] <... setns resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/syzcgroup/cpu/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5011] <... getpid resumed>) = 1 [pid 5009] <... write resumed>) = 2 [pid 5036] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5035] <... setns resumed>) = 0 [pid 5033] close(3 [pid 5012] <... openat resumed>) = 3 [pid 5011] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5009] close(3 [pid 5035] close(3 [pid 5033] <... close resumed>) = 0 [pid 5012] write(3, "1", 1 [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5035] <... close resumed>) = 0 [pid 5033] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5012] <... write resumed>) = 1 [pid 5011] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.low", O_WRONLY|O_CLOEXEC [pid 5035] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5033] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5012] close(3 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5035] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5012] <... close resumed>) = 0 [pid 5011] write(3, "32", 2 [pid 5009] write(3, "312475648", 9 [pid 5035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5033] <... bpf resumed>) = 3 [pid 5012] mkdir("/syzcgroup/net/syz5", 0777 [pid 5011] <... write resumed>) = 2 [pid 5009] <... write resumed>) = 9 [pid 5035] <... bpf resumed>) = 3 [pid 5033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] close(3 [pid 5009] close(3 [pid 5035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5033] <... bpf resumed>) = 5 [pid 5012] openat(AT_FDCWD, "/syzcgroup/net/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5011] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5035] <... bpf resumed>) = 5 [pid 5033] close(3 [pid 5012] <... openat resumed>) = 3 [pid 5011] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.low", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.high", O_WRONLY|O_CLOEXEC [pid 5035] close(3 [pid 5033] <... close resumed>) = 0 [pid 5012] write(3, "1", 1 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5035] <... close resumed>) = 0 [pid 5033] close(4 [pid 5012] <... write resumed>) = 1 [pid 5011] write(3, "312475648", 9 [pid 5009] write(3, "313524224", 9 [pid 5035] close(4 [pid 5033] <... close resumed>) = 0 [pid 5012] close(3 [pid 5011] <... write resumed>) = 9 [pid 5009] <... write resumed>) = 9 [pid 5035] <... close resumed>) = 0 [pid 5033] close(5 [pid 5012] <... close resumed>) = 0 [pid 5011] close(3 [pid 5009] close(3 [pid 5035] close(5 [pid 5012] mkdir("./0", 0777 [pid 5011] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.high", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.max", O_WRONLY|O_CLOEXEC [pid 5012] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5038 attached [pid 5011] write(3, "313524224", 9 [pid 5009] write(3, "314572800", 9 [pid 5038] set_robust_list(0x5555560346e0, 24 [pid 5012] <... clone resumed>, child_tidptr=0x5555560346d0) = 3 [pid 5011] <... write resumed>) = 9 [pid 5009] <... write resumed>) = 9 [pid 5038] <... set_robust_list resumed>) = 0 [pid 5012] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5011] close(3 [pid 5009] close(3 [pid 5038] chdir("./0" [pid 5012] exit_group(7 [pid 5011] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5038] <... chdir resumed>) = 0 [pid 5012] <... exit_group resumed>) = ? [pid 5011] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.max", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5011] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5011] write(3, "314572800", 9 [pid 5035] <... close resumed>) = 0 [pid 5033] <... close resumed>) = 0 [pid 5011] <... write resumed>) = 9 [pid 5009] write(3, "1", 1 [pid 5035] close(6 [pid 5033] close(6 [pid 5011] close(3 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... write resumed>) = 1 [pid 5033] close(7) = -1 EBADF (Bad file descriptor) [pid 5033] close(8) = -1 EBADF (Bad file descriptor) [pid 5033] close(9) = -1 EBADF (Bad file descriptor) [pid 5033] close(10 [pid 5035] close(7 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5009] close(3 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(11 [pid 5011] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(12) = -1 EBADF (Bad file descriptor) [pid 5033] close(13 [pid 5009] <... close resumed>) = 0 [pid 5035] close(8 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5009] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(14 [pid 5011] write(3, "1", 1 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(9 [pid 5033] close(15 [pid 5009] <... mkdir resumed>) = 0 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... write resumed>) = 1 [pid 5009] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5035] close(10 [pid 5033] close(16 [pid 5011] close(3 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5035] close(11 [pid 5033] close(17 [pid 5011] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5009] write(3, "1", 1 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... write resumed>) = 1 [pid 5035] close(12 [pid 5033] close(18 [pid 5011] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5009] close(3 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5035] close(13 [pid 5033] close(19 [pid 5011] write(3, "1", 1 [pid 5009] mkdir("/syzcgroup/net/syz4", 0777 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... write resumed>) = 1 [pid 5009] <... mkdir resumed>) = 0 [pid 5035] close(14 [pid 5033] close(20 [pid 5011] close(3 [pid 5009] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5035] close(15 [pid 5033] close(21 [pid 5011] mkdir("/syzcgroup/net/syz3", 0777 [pid 5009] write(3, "1", 1 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... write resumed>) = 1 [pid 5035] close(16 [pid 5033] close(22 [pid 5011] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5009] close(3 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5035] close(17 [pid 5033] close(23 [pid 5011] write(3, "1", 1 [pid 5009] mkdir("./0", 0777 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... write resumed>) = 1 [pid 5009] <... mkdir resumed>) = 0 [pid 5035] close(18 [pid 5033] close(24 [pid 5011] close(3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5039 attached [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5035] close(19 [pid 5011] mkdir("./0", 0777 [pid 5039] set_robust_list(0x5555560346e0, 24 [pid 5009] <... clone resumed>, child_tidptr=0x5555560346d0) = 3 [pid 5039] <... set_robust_list resumed>) = 0 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(25 [pid 5011] <... mkdir resumed>) = 0 [pid 5039] chdir("./0" [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] <... chdir resumed>) = 0 [pid 5033] close(26 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5035] close(20 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5041 attached [pid 5039] <... prctl resumed>) = 0 [pid 5038] +++ killed by SIGKILL +++ [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(27 [pid 5012] +++ exited with 7 +++ [pid 5041] set_robust_list(0x5555560346e0, 24 [pid 5039] setpgid(0, 0 [pid 5035] close(21 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5012, si_uid=0, si_status=7, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5041] <... set_robust_list resumed>) = 0 [pid 5039] <... setpgid resumed>) = 0 [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(28 [pid 5035] close(22) = -1 EBADF (Bad file descriptor) [pid 5035] close(23) = -1 EBADF (Bad file descriptor) [pid 5035] close(24) = -1 EBADF (Bad file descriptor) [pid 5035] close(25) = -1 EBADF (Bad file descriptor) [pid 5035] close(26) = -1 EBADF (Bad file descriptor) [pid 5039] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5035] close(27 [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5035] close(28) = -1 EBADF (Bad file descriptor) [pid 5035] close(29) = -1 EBADF (Bad file descriptor) [pid 5035] exit_group(0) = ? [pid 5041] chdir("./0" [pid 5039] <... symlink resumed>) = 0 [pid 5035] +++ exited with 0 +++ [pid 5033] close(29 [pid 5041] <... chdir resumed>) = 0 [pid 5039] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5033] exit_group(0 [pid 5041] <... prctl resumed>) = 0 [pid 5033] <... exit_group resumed>) = ? [pid 5041] setpgid(0, 0 [pid 5007] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5041] <... setpgid resumed>) = 0 [pid 5039] <... symlink resumed>) = 0 [pid 5033] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5039] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5007] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5041] <... symlink resumed>) = 0 [pid 5041] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5007] <... openat resumed>) = 3 [pid 5007] fstat(3, [pid 5041] <... symlink resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5041] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5039] <... symlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5041] <... symlink resumed>) = 0 [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5007] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5041] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] write(3, "1000", 4 [pid 5039] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] lstat("./0/cgroup.cpu", [pid 5041] <... write resumed>) = 4 [pid 5039] write(3, "1000", 4 [pid 5041] close(3 [pid 5039] <... write resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5041] <... close resumed>) = 0 [pid 5039] close(3 [pid 5008] fstat(3, [pid 5007] unlink("./0/cgroup.cpu" [pid 5041] symlink("/dev/binderfs", "./binderfs" [pid 5039] <... close resumed>) = 0 [pid 5039] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5041] <... symlink resumed>) = 0 [pid 5039] <... symlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5041] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5039] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5007] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5041] <... openat resumed>) = 3 [pid 5039] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5041] setns(201, 0 [pid 5039] setns(201, 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] <... setns resumed>) = 0 [pid 5039] <... setns resumed>) = 0 [pid 5008] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5007] lstat("./0/binderfs", [pid 5039] <... socket resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5039] setns(3, 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5039] <... setns resumed>) = 0 [pid 5008] lstat("./0/cgroup.cpu", [pid 5007] unlink("./0/binderfs" [pid 5041] <... socket resumed>) = 4 [pid 5039] close(3) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5041] setns(3, 0 [pid 5039] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5041] <... setns resumed>) = 0 [pid 5039] <... bpf resumed>) = 3 [pid 5008] unlink("./0/cgroup.cpu" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] close(3 [pid 5039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5041] <... close resumed>) = 0 [pid 5039] <... bpf resumed>) = 5 [pid 5008] <... unlink resumed>) = 0 [pid 5007] lstat("./0/cgroup", [pid 5039] close(3 [pid 5041] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5039] <... close resumed>) = 0 [pid 5008] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5039] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./0/cgroup" [pid 5041] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5039] <... close resumed>) = 0 [pid 5039] close(5 [pid 5008] lstat("./0/binderfs", [pid 5041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5039] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5039] close(6 [pid 5007] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./0/binderfs" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] <... bpf resumed>) = 3 [pid 5039] close(7 [pid 5041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5007] lstat("./0/cgroup.net", [pid 5039] close(8 [pid 5008] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5039] close(9 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./0/cgroup.net" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./0/cgroup", [pid 5039] close(10 [pid 5007] <... unlink resumed>) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5007] getdents64(3, [pid 5039] close(11 [pid 5008] unlink("./0/cgroup" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5039] close(12) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5007] close(3 [pid 5039] close(13 [pid 5008] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5039] close(14 [pid 5008] lstat("./0/cgroup.net", [pid 5007] rmdir("./0" [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] close(15 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] close(16) = -1 EBADF (Bad file descriptor) [pid 5039] close(17) = -1 EBADF (Bad file descriptor) [pid 5039] close(18) = -1 EBADF (Bad file descriptor) [pid 5039] close(19) = -1 EBADF (Bad file descriptor) [pid 5039] close(20 [pid 5007] <... rmdir resumed>) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./0/cgroup.net" [pid 5007] mkdir("./1", 0777 [pid 5039] close(21) = -1 EBADF (Bad file descriptor) [pid 5039] close(22 [pid 5008] <... unlink resumed>) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5039] close(23) = -1 EBADF (Bad file descriptor) [pid 5039] close(24 [pid 5008] getdents64(3, [pid 5007] <... mkdir resumed>) = 0 [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5039] close(25 [pid 5008] close(3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5039] close(26) = -1 EBADF (Bad file descriptor) [pid 5039] close(27) = -1 EBADF (Bad file descriptor) [pid 5039] close(28) = -1 EBADF (Bad file descriptor) [pid 5039] close(29) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5042 attached [pid 5041] <... bpf resumed>) = 5 [pid 5039] exit_group(0 [pid 5008] rmdir("./0" [pid 5042] set_robust_list(0x5555560346e0, 24 [pid 5041] close(3 [pid 5039] <... exit_group resumed>) = ? [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 4 [pid 5042] <... set_robust_list resumed>) = 0 [pid 5041] <... close resumed>) = 0 [pid 5039] +++ exited with 0 +++ [pid 5008] <... rmdir resumed>) = 0 [pid 5042] chdir("./1" [pid 5041] close(4 [pid 5008] mkdir("./1", 0777 [pid 5042] <... chdir resumed>) = 0 [pid 5041] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5042] <... prctl resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5042] setpgid(0, 0 [pid 5041] close(5 [pid 5009] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5042] <... setpgid resumed>) = 0 [pid 5041] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5042] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5041] close(6 [pid 5009] fstat(3, [pid 5042] <... symlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5042] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5009] getdents64(3, ./strace-static-x86_64: Process 5043 attached [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5043] set_robust_list(0x5555560346e0, 24 [pid 5042] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5041] close(7 [pid 5009] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 4 [pid 5043] <... set_robust_list resumed>) = 0 [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] lstat("./0/cgroup.cpu", [pid 5043] chdir("./1" [pid 5042] <... openat resumed>) = 3 [pid 5041] close(8 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5043] <... chdir resumed>) = 0 [pid 5042] write(3, "1000", 4 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./0/cgroup.cpu" [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5042] <... write resumed>) = 4 [pid 5041] close(9 [pid 5009] <... unlink resumed>) = 0 [pid 5043] <... prctl resumed>) = 0 [pid 5042] close(3 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] setpgid(0, 0 [pid 5042] <... close resumed>) = 0 [pid 5041] close(10 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] <... setpgid resumed>) = 0 [pid 5042] symlink("/dev/binderfs", "./binderfs" [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./0/binderfs", [pid 5043] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5042] <... symlink resumed>) = 0 [pid 5041] close(11 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5009] unlink("./0/binderfs" [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... openat resumed>) = 3 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... unlink resumed>) = 0 [pid 5043] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5042] setns(201, 0 [pid 5041] close(12 [pid 5009] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5042] <... setns resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5042] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5009] lstat("./0/cgroup", [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... socket resumed>) = 4 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5043] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5042] setns(3, 0 [pid 5041] close(13 [pid 5009] unlink("./0/cgroup" [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... setns resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... unlink resumed>) = 0 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5042] close(3 [pid 5041] close(14 [pid 5009] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] <... openat resumed>) = 3 [pid 5042] <... close resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5043] write(3, "1000", 4 [pid 5042] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5041] close(15 [pid 5009] lstat("./0/cgroup.net", [pid 5043] <... write resumed>) = 4 [pid 5042] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5043] close(3 [pid 5042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5041] close(16 [pid 5009] unlink("./0/cgroup.net" [pid 5043] <... close resumed>) = 0 [pid 5042] <... bpf resumed>) = 3 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... unlink resumed>) = 0 [pid 5043] symlink("/dev/binderfs", "./binderfs" [pid 5042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5041] close(17 [pid 5009] getdents64(3, [pid 5043] <... symlink resumed>) = 0 [pid 5042] <... bpf resumed>) = 5 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5043] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5042] close(3 [pid 5041] close(18 [pid 5009] close(3 [pid 5043] <... openat resumed>) = 3 [pid 5042] <... close resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = 0 [pid 5043] setns(201, 0 [pid 5042] close(4 [pid 5041] close(19 [pid 5009] rmdir("./0" [pid 5043] <... setns resumed>) = 0 [pid 5042] <... close resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... rmdir resumed>) = 0 [pid 5043] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5042] close(5 [pid 5041] close(20 [pid 5009] mkdir("./1", 0777 [pid 5043] <... socket resumed>) = 4 [pid 5042] <... close resumed>) = 0 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... mkdir resumed>) = 0 [pid 5043] setns(3, 0 [pid 5042] close(6 [pid 5041] close(21 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5044 attached [pid 5043] <... setns resumed>) = 0 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] set_robust_list(0x5555560346e0, 24 [pid 5043] close(3 [pid 5042] close(7 [pid 5041] close(22 [pid 5009] <... clone resumed>, child_tidptr=0x5555560346d0) = 4 [pid 5044] <... set_robust_list resumed>) = 0 [pid 5043] <... close resumed>) = 0 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] close(8 [pid 5044] chdir("./1" [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... chdir resumed>) = 0 [pid 5043] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5042] close(9 [pid 5041] close(23 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5043] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... prctl resumed>) = 0 [pid 5043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5042] close(10 [pid 5041] close(24 [pid 5044] setpgid(0, 0 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... bpf resumed>) = 3 [pid 5042] close(11 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... setpgid resumed>) = 0 [pid 5043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] close(25 [pid 5044] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5042] close(12 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] close(13 [pid 5044] <... symlink resumed>) = 0 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] close(26 [pid 5044] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5042] close(14 [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... symlink resumed>) = 0 [pid 5042] close(15 [pid 5041] close(27 [pid 5044] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... bpf resumed>) = 5 [pid 5042] close(16 [pid 5044] <... symlink resumed>) = 0 [pid 5043] close(3 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5041] close(28 [pid 5043] <... close resumed>) = 0 [pid 5042] close(17 [pid 5044] <... openat resumed>) = 3 [pid 5043] close(4 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] write(3, "1000", 4 [pid 5043] <... close resumed>) = 0 [pid 5042] close(18 [pid 5041] close(29 [pid 5044] <... write resumed>) = 4 [pid 5043] close(5 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] close(3 [pid 5043] <... close resumed>) = 0 [pid 5042] close(19 [pid 5044] <... close resumed>) = 0 [pid 5043] close(6 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5041] exit_group(0 [pid 5044] symlink("/dev/binderfs", "./binderfs" [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] close(20 [pid 5041] <... exit_group resumed>) = ? [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... symlink resumed>) = 0 [pid 5042] close(21) = -1 EBADF (Bad file descriptor) [pid 5042] close(22) = -1 EBADF (Bad file descriptor) [pid 5042] close(23) = -1 EBADF (Bad file descriptor) [pid 5042] close(24 [pid 5041] +++ exited with 0 +++ [pid 5044] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5043] close(7 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5044] <... openat resumed>) = 3 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] close(25 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5044] setns(201, 0 [pid 5043] close(8 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... restart_syscall resumed>) = 0 [pid 5044] <... setns resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] close(26 [pid 5044] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5043] close(9 [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5044] <... socket resumed>) = 4 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] close(27 [pid 5011] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] setns(3, 0 [pid 5043] close(10 [pid 5042] close(28 [pid 5011] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5044] <... setns resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5044] close(3 [pid 5043] close(11 [pid 5042] close(29 [pid 5011] fstat(3, [pid 5044] <... close resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5044] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5043] close(12 [pid 5042] exit_group(0 [pid 5011] getdents64(3, [pid 5044] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5042] <... exit_group resumed>) = ? [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5043] close(13 [pid 5042] +++ exited with 0 +++ [pid 5011] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5044] <... bpf resumed>) = 3 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./0/cgroup.cpu", [pid 5044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5043] close(14 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./0/cgroup.cpu" [pid 5044] <... bpf resumed>) = 5 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5044] close(3 [pid 5043] close(15 [pid 5011] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] <... close resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] close(4 [pid 5043] close(16 [pid 5011] lstat("./0/binderfs", [pid 5044] <... close resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] close(5 [pid 5043] close(17 [pid 5011] unlink("./0/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... close resumed>) = 0 [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5044] close(6 [pid 5043] close(18 [pid 5011] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5044] close(7 [pid 5043] close(19 [pid 5011] lstat("./0/cgroup", [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5007] getdents64(3, [pid 5044] close(8 [pid 5043] close(20 [pid 5011] unlink("./0/cgroup" [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5007] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] close(9 [pid 5043] close(21 [pid 5011] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./1/cgroup.cpu", [pid 5044] close(10 [pid 5043] close(22 [pid 5011] lstat("./0/cgroup.net", [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] unlink("./1/cgroup.cpu" [pid 5044] close(11 [pid 5043] close(23 [pid 5011] unlink("./0/cgroup.net" [pid 5007] <... unlink resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5007] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] close(12 [pid 5043] close(24 [pid 5011] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5007] lstat("./1/binderfs", [pid 5044] close(13 [pid 5043] close(25 [pid 5011] close(3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5007] unlink("./1/binderfs" [pid 5044] close(14 [pid 5043] close(26 [pid 5011] rmdir("./0" [pid 5007] <... unlink resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5007] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] close(15 [pid 5043] close(27 [pid 5011] mkdir("./1", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5007] lstat("./1/cgroup", [pid 5044] close(16 [pid 5043] close(28 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5045 attached [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./1/cgroup" [pid 5045] set_robust_list(0x5555560346e0, 24 [pid 5044] close(17 [pid 5043] close(29 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 4 [pid 5007] <... unlink resumed>) = 0 [pid 5045] <... set_robust_list resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./1/cgroup.net", [pid 5045] chdir("./1" [pid 5044] close(18 [pid 5043] exit_group(0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5045] <... chdir resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5043] <... exit_group resumed>) = ? [pid 5007] unlink("./1/cgroup.net" [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5044] close(19 [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5043] +++ exited with 0 +++ [pid 5007] <... close resumed>) = 0 [pid 5045] <... prctl resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] rmdir("./1" [pid 5045] setpgid(0, 0 [pid 5044] close(20 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... rmdir resumed>) = 0 [pid 5045] <... setpgid resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] mkdir("./2", 0777 [pid 5045] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5044] close(21 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5045] <... symlink resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5046 attached [pid 5045] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5044] close(22 [pid 5046] set_robust_list(0x5555560346e0, 24 [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 5 [pid 5045] <... symlink resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] <... set_robust_list resumed>) = 0 [pid 5045] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5044] close(23 [pid 5046] chdir("./2" [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] <... symlink resumed>) = 0 [pid 5044] close(24 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5046] <... chdir resumed>) = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5045] <... openat resumed>) = 3 [pid 5044] close(25 [pid 5046] <... prctl resumed>) = 0 [pid 5045] write(3, "1000", 4 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... openat resumed>) = 3 [pid 5046] setpgid(0, 0 [pid 5045] <... write resumed>) = 4 [pid 5044] close(26 [pid 5008] fstat(3, [pid 5046] <... setpgid resumed>) = 0 [pid 5045] close(3 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5046] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5044] close(27 [pid 5045] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5046] <... symlink resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] symlink("/dev/binderfs", "./binderfs" [pid 5046] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5045] <... symlink resumed>) = 0 [pid 5044] close(28 [pid 5008] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5046] <... symlink resumed>) = 0 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5045] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5044] close(29 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5046] <... symlink resumed>) = 0 [pid 5045] <... openat resumed>) = 3 [pid 5044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./1/cgroup.cpu", [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5045] setns(201, 0 [pid 5044] exit_group(0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5046] <... openat resumed>) = 3 [pid 5045] <... setns resumed>) = 0 [pid 5044] <... exit_group resumed>) = ? [pid 5008] unlink("./1/cgroup.cpu" [pid 5046] write(3, "1000", 4 [pid 5045] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5044] +++ exited with 0 +++ [pid 5045] <... socket resumed>) = 4 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5046] <... write resumed>) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5046] close(3 [pid 5045] setns(3, 0 [pid 5008] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5046] <... close resumed>) = 0 [pid 5045] <... setns resumed>) = 0 [pid 5046] symlink("/dev/binderfs", "./binderfs" [pid 5045] close(3 [pid 5009] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5046] <... symlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5046] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5045] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] lstat("./1/binderfs", [pid 5009] fstat(3, [pid 5046] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5045] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5046] setns(201, 0 [pid 5045] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5009] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] unlink("./1/binderfs" [pid 5046] <... setns resumed>) = 0 [pid 5045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5009] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5046] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5046] <... socket resumed>) = 4 [pid 5045] <... bpf resumed>) = 3 [pid 5009] lstat("./1/cgroup.cpu", [pid 5008] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5046] setns(3, 0 [pid 5045] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5046] <... setns resumed>) = 0 [pid 5045] <... bpf resumed>) = 5 [pid 5009] unlink("./1/cgroup.cpu" [pid 5008] lstat("./1/cgroup", [pid 5046] close(3 [pid 5045] close(3 [pid 5009] <... unlink resumed>) = 0 [pid 5046] <... close resumed>) = 0 [pid 5045] <... close resumed>) = 0 [pid 5009] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5046] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5045] close(4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./1/cgroup" [pid 5046] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5045] <... close resumed>) = 0 [pid 5009] lstat("./1/binderfs", [pid 5046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5045] close(5 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5046] <... bpf resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] unlink("./1/binderfs" [pid 5008] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] <... close resumed>) = 0 [pid 5046] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5045] close(6 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5046] exit_group(7 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./1/cgroup.net", [pid 5046] <... exit_group resumed>) = ? [pid 5045] close(7 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5045] close(8) = -1 EBADF (Bad file descriptor) [pid 5045] close(9) = -1 EBADF (Bad file descriptor) [pid 5046] +++ exited with 7 +++ [pid 5045] close(10 [pid 5009] lstat("./1/cgroup", [pid 5008] unlink("./1/cgroup.net" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5045] close(11 [pid 5009] unlink("./1/cgroup" [pid 5008] getdents64(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=7, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] close(12 [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5045] close(13 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./1/cgroup.net", [pid 5008] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 5045] close(14 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] rmdir("./1" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./1/cgroup.net" [pid 5007] getdents64(3, [pid 5045] close(15 [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5007] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] close(16 [pid 5009] <... unlink resumed>) = 0 [pid 5008] mkdir("./2", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] getdents64(3, [pid 5007] lstat("./2/cgroup.cpu", [pid 5045] close(17 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./2/cgroup.cpu" [pid 5045] close(18 [pid 5009] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] close(19 [pid 5009] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./2/binderfs", [pid 5045] close(20 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./2/binderfs" [pid 5045] close(21 [pid 5009] rmdir("./1" [pid 5007] <... unlink resumed>) = 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5047 attached [pid 5045] close(22 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] set_robust_list(0x5555560346e0, 24 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... rmdir resumed>) = 0 [pid 5007] lstat("./2/cgroup", [pid 5047] <... set_robust_list resumed>) = 0 [pid 5045] close(23 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5009] mkdir("./2", 0777 [pid 5047] chdir("./2" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 5 [pid 5007] unlink("./2/cgroup" [pid 5047] <... chdir resumed>) = 0 [pid 5045] close(24 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5047] <... prctl resumed>) = 0 [pid 5045] close(25 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] setpgid(0, 0 [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./2/cgroup.net", [pid 5047] <... setpgid resumed>) = 0 [pid 5045] close(26 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5047] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./2/cgroup.net"./strace-static-x86_64: Process 5048 attached [pid 5047] <... symlink resumed>) = 0 [pid 5045] close(27 [pid 5009] <... clone resumed>, child_tidptr=0x5555560346d0) = 5 [pid 5007] <... unlink resumed>) = 0 [pid 5047] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] getdents64(3, [pid 5048] set_robust_list(0x5555560346e0, 24 [pid 5047] <... symlink resumed>) = 0 [pid 5045] close(28 [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5048] <... set_robust_list resumed>) = 0 [pid 5047] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(3 [pid 5048] chdir("./2" [pid 5047] <... symlink resumed>) = 0 [pid 5045] close(29 [pid 5007] <... close resumed>) = 0 [pid 5048] <... chdir resumed>) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] rmdir("./2" [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5047] <... openat resumed>) = 3 [pid 5045] exit_group(0 [pid 5007] <... rmdir resumed>) = 0 [pid 5048] <... prctl resumed>) = 0 [pid 5047] write(3, "1000", 4 [pid 5045] <... exit_group resumed>) = ? [pid 5007] mkdir("./3", 0777 [pid 5048] setpgid(0, 0 [pid 5047] <... write resumed>) = 4 [pid 5045] +++ exited with 0 +++ [pid 5007] <... mkdir resumed>) = 0 [pid 5048] <... setpgid resumed>) = 0 [pid 5047] close(3 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5049 attached [pid 5048] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5047] <... close resumed>) = 0 [pid 5049] set_robust_list(0x5555560346e0, 24 [pid 5047] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 6 [pid 5049] <... set_robust_list resumed>) = 0 [pid 5048] <... symlink resumed>) = 0 [pid 5047] <... symlink resumed>) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5049] chdir("./3" [pid 5048] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5047] <... openat resumed>) = 3 [pid 5049] <... chdir resumed>) = 0 [pid 5047] setns(201, 0 [pid 5048] <... symlink resumed>) = 0 [pid 5047] <... setns resumed>) = 0 [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5048] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5047] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5049] <... prctl resumed>) = 0 [pid 5047] <... socket resumed>) = 4 [pid 5048] <... symlink resumed>) = 0 [pid 5047] setns(3, 0 [pid 5049] setpgid(0, 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5047] <... setns resumed>) = 0 [pid 5011] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] <... setpgid resumed>) = 0 [pid 5047] close(3 [pid 5048] <... openat resumed>) = 3 [pid 5047] <... close resumed>) = 0 [pid 5049] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5048] write(3, "1000", 4 [pid 5047] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5049] <... symlink resumed>) = 0 [pid 5047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5049] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5048] <... write resumed>) = 4 [pid 5047] <... bpf resumed>) = 3 [pid 5047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] <... openat resumed>) = 3 [pid 5049] <... symlink resumed>) = 0 [pid 5048] close(3 [pid 5047] <... bpf resumed>) = 5 [pid 5011] fstat(3, [pid 5049] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5048] <... close resumed>) = 0 [pid 5047] close(3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5049] <... symlink resumed>) = 0 [pid 5047] <... close resumed>) = 0 [pid 5048] symlink("/dev/binderfs", "./binderfs" [pid 5047] close(4 [pid 5011] getdents64(3, [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5048] <... symlink resumed>) = 0 [pid 5047] <... close resumed>) = 0 [pid 5047] close(5 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5049] <... openat resumed>) = 3 [pid 5048] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5047] <... close resumed>) = 0 [pid 5011] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] write(3, "1000", 4 [pid 5047] close(6 [pid 5048] <... openat resumed>) = 3 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] <... write resumed>) = 4 [pid 5048] setns(201, 0 [pid 5049] close(3 [pid 5047] close(7 [pid 5011] lstat("./1/cgroup.cpu", [pid 5049] <... close resumed>) = 0 [pid 5048] <... setns resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(8 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5049] symlink("/dev/binderfs", "./binderfs" [pid 5048] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./1/cgroup.cpu" [pid 5047] close(9 [pid 5049] <... symlink resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(10) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5048] <... socket resumed>) = 4 [pid 5047] close(11 [pid 5011] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(12 [pid 5049] <... openat resumed>) = 3 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] setns(201, 0 [pid 5048] setns(3, 0 [pid 5047] close(13 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] <... setns resumed>) = 0 [pid 5048] <... setns resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./1/binderfs", [pid 5049] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5048] close(3 [pid 5047] close(14 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5048] <... close resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5049] <... socket resumed>) = 4 [pid 5047] close(15 [pid 5011] unlink("./1/binderfs" [pid 5048] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5049] setns(3, 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(16) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5049] <... setns resumed>) = 0 [pid 5048] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5047] close(17 [pid 5011] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] close(3 [pid 5048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] <... close resumed>) = 0 [pid 5047] close(18) = -1 EBADF (Bad file descriptor) [pid 5047] close(19 [pid 5048] <... bpf resumed>) = 3 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./1/cgroup", [pid 5049] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5047] close(20 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5049] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./1/cgroup" [pid 5049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5048] <... bpf resumed>) = 5 [pid 5047] close(21) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5047] close(22) = -1 EBADF (Bad file descriptor) [pid 5049] <... bpf resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] close(23 [pid 5011] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5048] close(3 [pid 5049] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5048] <... close resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] exit_group(7 [pid 5048] close(4 [pid 5047] close(24 [pid 5011] lstat("./1/cgroup.net", [pid 5049] <... exit_group resumed>) = ? [pid 5048] <... close resumed>) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(25 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5047] close(26) = -1 EBADF (Bad file descriptor) [pid 5047] close(27) = -1 EBADF (Bad file descriptor) [pid 5047] close(28) = -1 EBADF (Bad file descriptor) [pid 5047] close(29) = -1 EBADF (Bad file descriptor) [pid 5049] +++ exited with 7 +++ [pid 5047] exit_group(0 [pid 5048] close(5 [pid 5047] <... exit_group resumed>) = ? [pid 5011] unlink("./1/cgroup.net" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=7, si_utime=0, si_stime=0} --- [pid 5048] <... close resumed>) = 0 [pid 5047] +++ exited with 0 +++ [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5011] <... unlink resumed>) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5048] close(6 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5007] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] close(7 [pid 5011] rmdir("./1" [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] close(8 [pid 5007] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] mkdir("./2", 0777 [pid 5008] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] unlink("./3/cgroup.cpu" [pid 5048] close(9 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... unlink resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] fstat(3, [pid 5007] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5048] close(10 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./3/binderfs") = 0 [pid 5007] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./3/cgroup", ./strace-static-x86_64: Process 5050 attached [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5050] set_robust_list(0x5555560346e0, 24 [pid 5048] close(11 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 5 [pid 5008] getdents64(3, [pid 5007] unlink("./3/cgroup" [pid 5050] <... set_robust_list resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5007] <... unlink resumed>) = 0 [pid 5050] chdir("./2" [pid 5007] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] <... chdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] lstat("./3/cgroup.net", [pid 5050] <... prctl resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5050] setpgid(0, 0 [pid 5048] close(12 [pid 5008] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./3/cgroup.net" [pid 5050] <... setpgid resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5050] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5048] close(13 [pid 5008] lstat("./2/cgroup.cpu", [pid 5007] getdents64(3, [pid 5050] <... symlink resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5050] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5048] close(14 [pid 5008] unlink("./2/cgroup.cpu" [pid 5007] close(3 [pid 5050] <... symlink resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = 0 [pid 5050] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5048] close(15 [pid 5008] <... unlink resumed>) = 0 [pid 5007] rmdir("./3" [pid 5050] <... symlink resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5048] close(16 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] mkdir("./4", 0777 [pid 5050] <... openat resumed>) = 3 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./2/binderfs", [pid 5007] <... mkdir resumed>) = 0 [pid 5050] write(3, "1000", 4 [pid 5048] close(17 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5051 attached [pid 5050] <... write resumed>) = 4 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./2/binderfs" [pid 5050] close(3 [pid 5048] close(18 [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 7 [pid 5051] set_robust_list(0x5555560346e0, 24 [pid 5050] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5051] <... set_robust_list resumed>) = 0 [pid 5050] symlink("/dev/binderfs", "./binderfs" [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] chdir("./4" [pid 5050] <... symlink resumed>) = 0 [pid 5048] close(19 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... chdir resumed>) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./2/cgroup", [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5050] <... openat resumed>) = 3 [pid 5048] close(20 [pid 5051] <... prctl resumed>) = 0 [pid 5050] setns(201, 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5051] setpgid(0, 0 [pid 5050] <... setns resumed>) = 0 [pid 5048] close(21 [pid 5008] unlink("./2/cgroup" [pid 5051] <... setpgid resumed>) = 0 [pid 5050] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5050] <... socket resumed>) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5050] setns(3, 0 [pid 5048] close(22 [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... setns resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5050] close(3 [pid 5048] close(23 [pid 5050] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... symlink resumed>) = 0 [pid 5050] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./2/cgroup.net", [pid 5051] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5050] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5048] close(24 [pid 5050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... bpf resumed>) = 3 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./2/cgroup.net" [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5048] close(25 [pid 5050] <... bpf resumed>) = 5 [pid 5008] <... unlink resumed>) = 0 [pid 5050] close(3 [pid 5051] <... openat resumed>) = 3 [pid 5050] <... close resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] getdents64(3, [pid 5051] write(3, "1000", 4 [pid 5050] close(4 [pid 5048] close(26 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5051] <... write resumed>) = 4 [pid 5050] <... close resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] close(3 [pid 5051] close(3 [pid 5050] close(5 [pid 5048] close(27 [pid 5051] <... close resumed>) = 0 [pid 5050] <... close resumed>) = 0 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5051] symlink("/dev/binderfs", "./binderfs" [pid 5050] close(6 [pid 5048] close(28 [pid 5008] rmdir("./2" [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] <... symlink resumed>) = 0 [pid 5050] close(7) = -1 EBADF (Bad file descriptor) [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5050] close(8) = -1 EBADF (Bad file descriptor) [pid 5051] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5050] close(9 [pid 5048] close(29 [pid 5008] <... rmdir resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] <... openat resumed>) = 3 [pid 5050] close(10 [pid 5048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] mkdir("./3", 0777 [pid 5051] setns(201, 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5048] exit_group(0 [pid 5050] close(11) = -1 EBADF (Bad file descriptor) [pid 5050] close(12) = -1 EBADF (Bad file descriptor) [pid 5048] <... exit_group resumed>) = ? [pid 5008] <... mkdir resumed>) = 0 [pid 5051] <... setns resumed>) = 0 [pid 5050] close(13) = -1 EBADF (Bad file descriptor) [pid 5050] close(14) = -1 EBADF (Bad file descriptor) [pid 5050] close(15) = -1 EBADF (Bad file descriptor) [pid 5050] close(16) = -1 EBADF (Bad file descriptor) [pid 5050] close(17) = -1 EBADF (Bad file descriptor) [pid 5050] close(18) = -1 EBADF (Bad file descriptor) [pid 5050] close(19) = -1 EBADF (Bad file descriptor) [pid 5048] +++ exited with 0 +++ [pid 5051] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5050] close(20 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] <... socket resumed>) = 4 [pid 5050] close(21) = -1 EBADF (Bad file descriptor) [pid 5050] close(22) = -1 EBADF (Bad file descriptor) [pid 5050] close(23) = -1 EBADF (Bad file descriptor) [pid 5050] close(24) = -1 EBADF (Bad file descriptor) [pid 5050] close(25) = -1 EBADF (Bad file descriptor) [pid 5050] close(26./strace-static-x86_64: Process 5052 attached [pid 5051] setns(3, 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5052] set_robust_list(0x5555560346e0, 24 [pid 5051] <... setns resumed>) = 0 [pid 5050] close(27 [pid 5052] <... set_robust_list resumed>) = 0 [pid 5051] close(3 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 6 [pid 5052] chdir("./3" [pid 5051] <... close resumed>) = 0 [pid 5050] close(28 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5052] <... chdir resumed>) = 0 [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5050] close(29 [pid 5052] <... prctl resumed>) = 0 [pid 5051] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] setpgid(0, 0 [pid 5051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5050] exit_group(0 [pid 5052] <... setpgid resumed>) = 0 [pid 5050] <... exit_group resumed>) = ? [pid 5052] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5051] <... bpf resumed>) = 3 [pid 5050] +++ exited with 0 +++ [pid 5052] <... symlink resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5051] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5009] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5051] <... bpf resumed>) = 5 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5051] close(3 [pid 5009] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... symlink resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5052] write(3, "1000", 4) = 4 [pid 5052] close(3) = 0 [pid 5051] close(4 [pid 5009] <... openat resumed>) = 3 [pid 5052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] <... close resumed>) = 0 [pid 5009] fstat(3, [pid 5052] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5051] close(5 [pid 5052] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5052] setns(201, 0) = 0 [pid 5051] <... close resumed>) = 0 [pid 5052] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5051] close(6 [pid 5011] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5052] <... socket resumed>) = 4 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] setns(3, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... setns resumed>) = 0 [pid 5051] close(7 [pid 5009] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] close(3 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... close resumed>) = 0 [pid 5051] close(8 [pid 5011] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5052] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5051] close(9 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] lstat("./2/cgroup.cpu", [pid 5052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5052] <... bpf resumed>) = 3 [pid 5051] close(10 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5009] unlink("./2/cgroup.cpu" [pid 5052] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(11) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... unlink resumed>) = 0 [pid 5051] close(12 [pid 5011] lstat("./2/cgroup.cpu", [pid 5009] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5051] close(13 [pid 5011] unlink("./2/cgroup.cpu" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5051] close(14 [pid 5009] lstat("./2/binderfs", [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(15 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./2/binderfs" [pid 5011] lstat("./2/binderfs", [pid 5051] close(16 [pid 5009] <... unlink resumed>) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(17 [pid 5011] unlink("./2/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./2/cgroup", [pid 5051] close(18 [pid 5011] <... unlink resumed>) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5051] close(19 [pid 5011] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] unlink("./2/cgroup" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... unlink resumed>) = 0 [pid 5051] close(20 [pid 5011] lstat("./2/cgroup", [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(21 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./2/cgroup" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] close(22) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5009] lstat("./2/cgroup.net", [pid 5051] close(23 [pid 5011] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5051] close(24 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./2/cgroup.net" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./2/cgroup.net", [pid 5051] close(25 [pid 5009] <... unlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] getdents64(3, [pid 5011] unlink("./2/cgroup.net" [pid 5051] close(26 [pid 5009] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5051] close(27 [pid 5011] getdents64(3, [pid 5009] close(3 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5051] close(28 [pid 5011] close(3 [pid 5009] <... close resumed>) = 0 [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5009] rmdir("./2" [pid 5051] close(29 [pid 5011] rmdir("./2" [pid 5051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... rmdir resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5051] exit_group(0) = ? [pid 5009] mkdir("./3", 0777 [pid 5051] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5011] mkdir("./3", 0777 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... mkdir resumed>) = 0 [pid 5007] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, ./strace-static-x86_64: Process 5053 attached [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5053] set_robust_list(0x5555560346e0, 24 [pid 5009] <... clone resumed>, child_tidptr=0x5555560346d0) = 6 [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5007] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] unlink("./4/cgroup.cpu") = 0 [pid 5053] <... set_robust_list resumed>) = 0 [pid 5007] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./4/binderfs", ./strace-static-x86_64: Process 5054 attached [pid 5053] chdir("./3" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5054] set_robust_list(0x5555560346e0, 24 [pid 5053] <... chdir resumed>) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 6 [pid 5007] unlink("./4/binderfs" [pid 5054] <... set_robust_list resumed>) = 0 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... bpf resumed>) = 5 [pid 5007] <... unlink resumed>) = 0 [pid 5054] chdir("./3" [pid 5052] close(3 [pid 5007] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... chdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] close(4 [pid 5007] lstat("./4/cgroup", [pid 5054] <... prctl resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5054] setpgid(0, 0 [pid 5052] close(5 [pid 5007] unlink("./4/cgroup" [pid 5054] <... setpgid resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5054] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5053] <... prctl resumed>) = 0 [pid 5052] close(6 [pid 5007] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... symlink resumed>) = 0 [pid 5053] setpgid(0, 0 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5053] <... setpgid resumed>) = 0 [pid 5052] close(7 [pid 5007] lstat("./4/cgroup.net", [pid 5054] <... symlink resumed>) = 0 [pid 5053] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5054] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5052] close(8 [pid 5007] unlink("./4/cgroup.net" [pid 5054] <... symlink resumed>) = 0 [pid 5053] <... symlink resumed>) = 0 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... unlink resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5052] close(9 [pid 5007] getdents64(3, [pid 5054] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5054] write(3, "1000", 4 [pid 5053] <... symlink resumed>) = 0 [pid 5052] close(10 [pid 5007] close(3 [pid 5054] <... write resumed>) = 4 [pid 5053] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... close resumed>) = 0 [pid 5054] close(3 [pid 5053] <... symlink resumed>) = 0 [pid 5052] close(11 [pid 5007] rmdir("./4" [pid 5054] <... close resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... rmdir resumed>) = 0 [pid 5054] symlink("/dev/binderfs", "./binderfs" [pid 5052] close(12 [pid 5007] mkdir("./5", 0777 [pid 5054] <... symlink resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5053] write(3, "1000", 4 [pid 5052] close(13 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5055 attached [pid 5054] <... openat resumed>) = 3 [pid 5053] <... write resumed>) = 4 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] setns(201, 0 [pid 5053] close(3 [pid 5052] close(14 [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 8 [pid 5055] set_robust_list(0x5555560346e0, 24 [pid 5054] <... setns resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... set_robust_list resumed>) = 0 [pid 5054] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5053] symlink("/dev/binderfs", "./binderfs" [pid 5052] close(15 [pid 5055] chdir("./5" [pid 5054] <... socket resumed>) = 4 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... chdir resumed>) = 0 [pid 5054] setns(3, 0 [pid 5053] <... symlink resumed>) = 0 [pid 5052] close(16 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... setns resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... prctl resumed>) = 0 [pid 5054] close(3 [pid 5052] close(17 [pid 5055] setpgid(0, 0 [pid 5054] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] <... setpgid resumed>) = 0 [pid 5054] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5053] setns(201, 0 [pid 5052] close(18 [pid 5055] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5054] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5053] <... setns resumed>) = 0 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5052] close(19 [pid 5055] <... symlink resumed>) = 0 [pid 5054] <... bpf resumed>) = 3 [pid 5053] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5053] <... socket resumed>) = 4 [pid 5052] close(20 [pid 5055] <... symlink resumed>) = 0 [pid 5054] <... bpf resumed>) = 5 [pid 5053] setns(3, 0 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5054] close(3 [pid 5053] <... setns resumed>) = 0 [pid 5052] close(21 [pid 5055] <... symlink resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] close(3 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] close(4 [pid 5053] <... close resumed>) = 0 [pid 5052] close(22 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... close resumed>) = 0 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(5 [pid 5053] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5052] close(23 [pid 5055] write(3, "1000", 4) = 4 [pid 5054] <... close resumed>) = 0 [pid 5053] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] close(3 [pid 5054] close(6 [pid 5053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5052] close(24 [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(7 [pid 5052] close(25 [pid 5055] symlink("/dev/binderfs", "./binderfs" [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... bpf resumed>) = 3 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(8 [pid 5052] close(26 [pid 5055] <... symlink resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5054] close(9 [pid 5052] close(27 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] close(10 [pid 5052] close(28 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] setns(201, 0 [pid 5054] close(11 [pid 5052] close(29 [pid 5055] <... setns resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5054] close(12 [pid 5052] exit_group(0 [pid 5055] <... socket resumed>) = 4 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5052] <... exit_group resumed>) = ? [pid 5055] setns(3, 0 [pid 5054] close(13 [pid 5052] +++ exited with 0 +++ [pid 5055] <... setns resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5055] close(3 [pid 5054] close(14 [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5054] close(15 [pid 5008] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5054] close(16 [pid 5008] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... openat resumed>) = 3 [pid 5055] <... bpf resumed>) = 3 [pid 5054] close(17 [pid 5008] fstat(3, [pid 5055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5054] close(18 [pid 5008] getdents64(3, [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5054] close(19 [pid 5008] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] close(20 [pid 5008] lstat("./3/cgroup.cpu", [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5054] close(21 [pid 5008] unlink("./3/cgroup.cpu" [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5054] close(22 [pid 5008] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] close(23 [pid 5008] lstat("./3/binderfs", [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5054] close(24 [pid 5008] unlink("./3/binderfs" [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5054] close(25 [pid 5008] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] close(26 [pid 5008] lstat("./3/cgroup", [pid 5055] <... bpf resumed>) = 5 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... bpf resumed>) = 5 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5055] close(3 [pid 5054] close(27 [pid 5053] close(3 [pid 5008] unlink("./3/cgroup" [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5055] close(4 [pid 5054] close(28 [pid 5053] close(4 [pid 5008] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] close(5 [pid 5054] close(29 [pid 5008] lstat("./3/cgroup.net", [pid 5053] close(5 [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5055] close(6 [pid 5054] exit_group(0 [pid 5053] <... close resumed>) = 0 [pid 5008] unlink("./3/cgroup.net" [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5054] <... exit_group resumed>) = ? [pid 5053] close(6 [pid 5008] <... unlink resumed>) = 0 [pid 5055] close(7 [pid 5054] +++ exited with 0 +++ [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] getdents64(3, [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(7 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5055] close(8 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(8 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] rmdir("./3" [pid 5055] close(9 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(9 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./4", 0777 [pid 5055] close(10 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5056 attached [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(10 [pid 5056] set_robust_list(0x5555560346e0, 24 [pid 5055] close(11 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 7 [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(11 [pid 5011] fstat(3, [pid 5056] chdir("./4") = 0 [pid 5055] close(12 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(12 [pid 5011] getdents64(3, [pid 5056] <... prctl resumed>) = 0 [pid 5055] close(13 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] setpgid(0, 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(13 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5056] <... setpgid resumed>) = 0 [pid 5055] close(14 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(14 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... symlink resumed>) = 0 [pid 5055] close(15 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./3/cgroup.cpu", [pid 5056] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(15 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5056] <... symlink resumed>) = 0 [pid 5055] close(16 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./3/cgroup.cpu" [pid 5056] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(16 [pid 5056] <... symlink resumed>) = 0 [pid 5055] close(17 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(17 [pid 5011] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] write(3, "1000", 4 [pid 5055] close(18 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... write resumed>) = 4 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(18 [pid 5011] lstat("./3/binderfs", [pid 5056] close(3 [pid 5055] close(19 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] symlink("/dev/binderfs", "./binderfs" [pid 5055] close(20 [pid 5053] close(19 [pid 5011] unlink("./3/binderfs" [pid 5056] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5053] close(20 [pid 5011] <... unlink resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5055] close(21 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] setns(201, 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(21 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... setns resumed>) = 0 [pid 5055] close(22 [pid 5056] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./3/cgroup", [pid 5056] <... socket resumed>) = 4 [pid 5055] close(23 [pid 5053] close(22 [pid 5056] setns(3, 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5056] <... setns resumed>) = 0 [pid 5055] close(24 [pid 5053] close(23 [pid 5011] unlink("./3/cgroup" [pid 5056] close(3 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] <... close resumed>) = 0 [pid 5055] close(25 [pid 5053] close(24 [pid 5011] <... unlink resumed>) = 0 [pid 5056] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5055] close(26 [pid 5053] close(25 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./3/cgroup.net", [pid 5056] <... bpf resumed>) = 3 [pid 5055] close(27 [pid 5053] close(26 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./3/cgroup.net" [pid 5056] <... bpf resumed>) = 5 [pid 5055] close(28 [pid 5053] close(27 [pid 5056] close(3 [pid 5011] <... unlink resumed>) = 0 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(28 [pid 5011] getdents64(3, [pid 5056] close(4 [pid 5055] close(29 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] close(29 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5056] close(5) = 0 [pid 5055] exit_group(0 [pid 5053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5056] close(6 [pid 5055] <... exit_group resumed>) = ? [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5053] exit_group(0 [pid 5011] <... close resumed>) = 0 [pid 5056] close(7) = -1 EBADF (Bad file descriptor) [pid 5056] close(8) = -1 EBADF (Bad file descriptor) [pid 5056] close(9) = -1 EBADF (Bad file descriptor) [pid 5056] close(10) = -1 EBADF (Bad file descriptor) [pid 5056] close(11) = -1 EBADF (Bad file descriptor) [pid 5056] close(12) = -1 EBADF (Bad file descriptor) [pid 5055] +++ exited with 0 +++ [pid 5056] close(13) = -1 EBADF (Bad file descriptor) [pid 5056] close(14) = -1 EBADF (Bad file descriptor) [pid 5056] close(15) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./3" [pid 5053] <... exit_group resumed>) = ? [pid 5056] close(16 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] close(17) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5056] close(18) = -1 EBADF (Bad file descriptor) [pid 5056] close(19) = -1 EBADF (Bad file descriptor) [pid 5056] close(20) = -1 EBADF (Bad file descriptor) [pid 5056] close(21) = -1 EBADF (Bad file descriptor) [pid 5056] close(22) = -1 EBADF (Bad file descriptor) [pid 5056] close(23) = -1 EBADF (Bad file descriptor) [pid 5056] close(24) = -1 EBADF (Bad file descriptor) [pid 5053] +++ exited with 0 +++ [pid 5011] mkdir("./4", 0777 [pid 5056] close(25) = -1 EBADF (Bad file descriptor) [pid 5056] close(26) = -1 EBADF (Bad file descriptor) [pid 5056] close(27) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5056] close(28) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] close(29 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5056] exit_group(0) = ? ./strace-static-x86_64: Process 5057 attached [pid 5056] +++ exited with 0 +++ [pid 5009] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] set_robust_list(0x5555560346e0, 24 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 7 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... set_robust_list resumed>) = 0 [pid 5057] chdir("./4" [pid 5009] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... chdir resumed>) = 0 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... openat resumed>) = 3 [pid 5057] <... prctl resumed>) = 0 [pid 5009] fstat(3, [pid 5007] <... openat resumed>) = 3 [pid 5057] setpgid(0, 0) = 0 [pid 5057] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5008] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(3, [pid 5057] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... symlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5057] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5009] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 5057] <... symlink resumed>) = 0 [pid 5008] fstat(3, [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5007] getdents64(3, [pid 5057] <... openat resumed>) = 3 [pid 5009] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5057] write(3, "1000", 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5057] <... write resumed>) = 4 [pid 5009] lstat("./3/cgroup.cpu", [pid 5008] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] close(3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... close resumed>) = 0 [pid 5009] unlink("./3/cgroup.cpu" [pid 5008] lstat("./4/cgroup.cpu", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5057] <... symlink resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] unlink("./4/cgroup.cpu" [pid 5007] lstat("./5/cgroup.cpu", [pid 5057] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5009] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5057] setns(201, 0 [pid 5009] lstat("./3/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./5/cgroup.cpu" [pid 5057] <... setns resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] lstat("./4/binderfs", [pid 5057] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5009] unlink("./3/binderfs" [pid 5057] <... socket resumed>) = 4 [pid 5008] unlink("./4/binderfs" [pid 5007] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] setns(3, 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... setns resumed>) = 0 [pid 5009] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./5/binderfs", [pid 5057] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... close resumed>) = 0 [pid 5009] lstat("./3/cgroup", [pid 5008] lstat("./4/cgroup", [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5057] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5007] unlink("./5/binderfs" [pid 5057] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5009] unlink("./3/cgroup" [pid 5008] unlink("./4/cgroup" [pid 5057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5057] <... bpf resumed>) = 3 [pid 5009] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... bpf resumed>) = 5 [pid 5009] lstat("./3/cgroup.net", [pid 5008] lstat("./4/cgroup.net", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] close(3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] lstat("./5/cgroup", [pid 5057] <... close resumed>) = 0 [pid 5009] unlink("./3/cgroup.net" [pid 5008] unlink("./4/cgroup.net" [pid 5057] close(4 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5057] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5057] close(5 [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5007] unlink("./5/cgroup" [pid 5057] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5057] close(6 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] <... close resumed>) = 0 [pid 5008] rmdir("./4" [pid 5007] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] close(7 [pid 5009] rmdir("./3" [pid 5008] <... rmdir resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] mkdir("./5", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] close(8 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] mkdir("./4", 0777 [pid 5007] lstat("./5/cgroup.net", ./strace-static-x86_64: Process 5058 attached [pid 5057] close(9) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 8 [pid 5057] close(10 [pid 5009] <... mkdir resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5058] set_robust_list(0x5555560346e0, 24 [pid 5057] close(11 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] unlink("./5/cgroup.net" [pid 5058] <... set_robust_list resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5057] close(12) = -1 EBADF (Bad file descriptor) [pid 5057] close(13) = -1 EBADF (Bad file descriptor) [pid 5057] close(14) = -1 EBADF (Bad file descriptor) [pid 5057] close(15) = -1 EBADF (Bad file descriptor) [pid 5057] close(16) = -1 EBADF (Bad file descriptor) [pid 5057] close(17./strace-static-x86_64: Process 5059 attached ) = -1 EBADF (Bad file descriptor) [pid 5059] set_robust_list(0x5555560346e0, 24 [pid 5058] chdir("./5" [pid 5057] close(18 [pid 5009] <... clone resumed>, child_tidptr=0x5555560346d0) = 7 [pid 5007] <... unlink resumed>) = 0 [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] <... chdir resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] chdir("./4" [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] close(19 [pid 5007] getdents64(3, [pid 5059] <... chdir resumed>) = 0 [pid 5058] <... prctl resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] setpgid(0, 0 [pid 5057] close(20 [pid 5007] close(3 [pid 5059] <... prctl resumed>) = 0 [pid 5058] <... setpgid resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] setpgid(0, 0 [pid 5057] close(21 [pid 5007] <... close resumed>) = 0 [pid 5059] <... setpgid resumed>) = 0 [pid 5058] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5057] close(22 [pid 5007] rmdir("./5" [pid 5059] <... symlink resumed>) = 0 [pid 5058] <... symlink resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5057] close(23 [pid 5059] <... symlink resumed>) = 0 [pid 5058] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... rmdir resumed>) = 0 [pid 5059] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5057] close(24 [pid 5059] <... symlink resumed>) = 0 [pid 5058] <... symlink resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] mkdir("./6", 0777 [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5057] close(25 [pid 5059] <... openat resumed>) = 3 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... mkdir resumed>) = 0 [pid 5059] write(3, "1000", 4 [pid 5058] <... symlink resumed>) = 0 [pid 5057] close(26 [pid 5059] <... write resumed>) = 4 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] close(3 [pid 5057] close(27 [pid 5059] <... close resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] symlink("/dev/binderfs", "./binderfs" [pid 5057] close(28 [pid 5059] <... symlink resumed>) = 0 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5057] close(29 [pid 5059] <... openat resumed>) = 3 [pid 5057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5059] setns(201, 0 [pid 5057] exit_group(0 [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] <... setns resumed>) = 0 [pid 5057] <... exit_group resumed>) = ? [pid 5059] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5057] +++ exited with 0 +++ [pid 5059] <... socket resumed>) = 4 [pid 5059] setns(3, 0) = 0 [pid 5059] close(3) = 0 [pid 5059] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8) = -1 EBUSY (Device or resource busy) [pid 5059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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) = 3 [pid 5059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16) = 5 [pid 5059] close(3) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5059] close(4) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5059] close(5) = 0 [pid 5059] close(6) = -1 EBADF (Bad file descriptor) [pid 5059] close(7) = -1 EBADF (Bad file descriptor) [pid 5059] close(8) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5060 attached [pid 5059] close(9 [pid 5060] set_robust_list(0x5555560346e0, 24 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] write(3, "1000", 4 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5059] close(10 [pid 5058] <... write resumed>) = 4 [pid 5011] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] chdir("./6" [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 9 [pid 5060] <... chdir resumed>) = 0 [pid 5059] close(11 [pid 5058] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] symlink("/dev/binderfs", "./binderfs" [pid 5011] <... openat resumed>) = 3 [pid 5060] <... prctl resumed>) = 0 [pid 5059] close(12 [pid 5060] setpgid(0, 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... setpgid resumed>) = 0 [pid 5059] close(13 [pid 5060] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... symlink resumed>) = 0 [pid 5059] close(14 [pid 5058] <... symlink resumed>) = 0 [pid 5011] fstat(3, [pid 5060] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5060] <... symlink resumed>) = 0 [pid 5059] close(15 [pid 5060] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... openat resumed>) = 3 [pid 5060] <... symlink resumed>) = 0 [pid 5059] close(16 [pid 5058] setns(201, 0 [pid 5011] getdents64(3, [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... setns resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5059] close(17 [pid 5058] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5060] write(3, "1000", 4 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... socket resumed>) = 4 [pid 5011] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... write resumed>) = 4 [pid 5059] close(18 [pid 5058] setns(3, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] close(3 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... setns resumed>) = 0 [pid 5011] lstat("./4/cgroup.cpu", [pid 5060] <... close resumed>) = 0 [pid 5059] close(19 [pid 5058] close(3 [pid 5060] symlink("/dev/binderfs", "./binderfs" [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5060] <... symlink resumed>) = 0 [pid 5059] close(20 [pid 5058] <... close resumed>) = 0 [pid 5011] unlink("./4/cgroup.cpu" [pid 5060] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... openat resumed>) = 3 [pid 5059] close(21 [pid 5058] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] <... unlink resumed>) = 0 [pid 5060] setns(201, 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... setns resumed>) = 0 [pid 5059] close(22 [pid 5058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... socket resumed>) = 4 [pid 5059] close(23 [pid 5060] setns(3, 0 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... bpf resumed>) = 3 [pid 5011] lstat("./4/binderfs", [pid 5060] <... setns resumed>) = 0 [pid 5059] close(24 [pid 5058] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5060] close(3 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5060] <... close resumed>) = 0 [pid 5059] close(25 [pid 5011] unlink("./4/binderfs" [pid 5060] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5060] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5059] close(26 [pid 5011] <... unlink resumed>) = 0 [pid 5060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... bpf resumed>) = 5 [pid 5011] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... bpf resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] close(27 [pid 5058] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = 0 [pid 5011] lstat("./4/cgroup", [pid 5060] exit_group(7 [pid 5059] close(28 [pid 5058] close(4 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5060] <... exit_group resumed>) = ? [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] <... close resumed>) = 0 [pid 5011] unlink("./4/cgroup" [pid 5058] close(5 [pid 5011] <... unlink resumed>) = 0 [pid 5060] +++ exited with 7 +++ [pid 5059] close(29 [pid 5058] <... close resumed>) = 0 [pid 5011] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5058] close(6 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] exit_group(0 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./4/cgroup.net", [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=7, si_utime=0, si_stime=0} --- [pid 5059] <... exit_group resumed>) = ? [pid 5058] close(7 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./4/cgroup.net" [pid 5007] <... restart_syscall resumed>) = 0 [pid 5059] +++ exited with 0 +++ [pid 5058] close(8 [pid 5011] <... unlink resumed>) = 0 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5058] close(9 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] close(10 [pid 5011] <... close resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./4" [pid 5007] <... openat resumed>) = 3 [pid 5058] close(11 [pid 5011] <... rmdir resumed>) = 0 [pid 5007] fstat(3, [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] mkdir("./5", 0777 [pid 5009] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5058] close(12 [pid 5011] <... mkdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5061 attached [pid 5058] close(13 [pid 5009] <... openat resumed>) = 3 [pid 5007] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] set_robust_list(0x5555560346e0, 24 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 8 [pid 5009] fstat(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... set_robust_list resumed>) = 0 [pid 5058] close(14 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] lstat("./6/cgroup.cpu", [pid 5061] chdir("./5" [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] getdents64(3, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5061] <... chdir resumed>) = 0 [pid 5058] close(15 [pid 5009] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5007] unlink("./6/cgroup.cpu" [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5061] <... prctl resumed>) = 0 [pid 5058] close(16 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] setpgid(0, 0 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./4/cgroup.cpu", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... setpgid resumed>) = 0 [pid 5058] close(17 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] lstat("./6/binderfs", [pid 5061] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./4/cgroup.cpu" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5061] <... symlink resumed>) = 0 [pid 5058] close(18 [pid 5009] <... unlink resumed>) = 0 [pid 5007] unlink("./6/binderfs" [pid 5061] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5061] <... symlink resumed>) = 0 [pid 5058] close(19 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./4/binderfs", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... symlink resumed>) = 0 [pid 5058] close(20 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] lstat("./6/cgroup", [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./4/binderfs" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5058] close(21 [pid 5009] <... unlink resumed>) = 0 [pid 5007] unlink("./6/cgroup" [pid 5061] write(3, "1000", 4 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5061] <... write resumed>) = 4 [pid 5058] close(22 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(3 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./4/cgroup", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 5058] close(23 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5007] lstat("./6/cgroup.net", [pid 5061] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./4/cgroup" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5061] <... symlink resumed>) = 0 [pid 5058] close(24 [pid 5009] <... unlink resumed>) = 0 [pid 5007] unlink("./6/cgroup.net" [pid 5061] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5058] close(25 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5061] setns(201, 0 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] lstat("./4/cgroup.net", [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5061] <... setns resumed>) = 0 [pid 5058] close(26 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5007] close(3 [pid 5061] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] unlink("./4/cgroup.net" [pid 5007] <... close resumed>) = 0 [pid 5061] <... socket resumed>) = 4 [pid 5058] close(27 [pid 5009] <... unlink resumed>) = 0 [pid 5007] rmdir("./6" [pid 5061] setns(3, 0 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5061] <... setns resumed>) = 0 [pid 5058] close(28 [pid 5009] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5007] mkdir("./7", 0777 [pid 5061] close(3 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5058] close(29 [pid 5009] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached [pid 5061] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] rmdir("./4" [pid 5062] set_robust_list(0x5555560346e0, 24 [pid 5061] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5058] exit_group(0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 10 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5058] <... exit_group resumed>) = ? [pid 5009] mkdir("./5", 0777 [pid 5062] chdir("./7" [pid 5061] <... bpf resumed>) = 3 [pid 5058] +++ exited with 0 +++ [pid 5009] <... mkdir resumed>) = 0 [pid 5062] <... chdir resumed>) = 0 [pid 5061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... bpf resumed>) = 5 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5063] set_robust_list(0x5555560346e0, 24 [pid 5062] <... prctl resumed>) = 0 [pid 5061] close(3 [pid 5009] <... clone resumed>, child_tidptr=0x5555560346d0) = 8 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] setpgid(0, 0 [pid 5061] <... close resumed>) = 0 [pid 5009] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5008] <... restart_syscall resumed>) = 0 [pid 5063] chdir("./5" [pid 5062] <... setpgid resumed>) = 0 [pid 5061] close(4 [pid 5009] exit_group(7 [pid 5063] <... chdir resumed>) = 0 [pid 5062] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5061] <... close resumed>) = 0 [pid 5009] <... exit_group resumed>) = ? [pid 5062] <... symlink resumed>) = 0 [pid 5061] close(5 [pid 5062] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5061] <... close resumed>) = 0 [pid 5008] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... symlink resumed>) = 0 [pid 5062] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5061] close(6 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... symlink resumed>) = 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] close(7 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] fstat(3, [pid 5062] <... openat resumed>) = 3 [pid 5061] close(8 [pid 5062] write(3, "1000", 4 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5062] <... write resumed>) = 4 [pid 5061] close(9 [pid 5008] getdents64(3, [pid 5062] close(3 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... close resumed>) = 0 [pid 5061] close(10 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] symlink("/dev/binderfs", "./binderfs" [pid 5061] close(11) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... symlink resumed>) = 0 [pid 5061] close(12 [pid 5008] lstat("./5/cgroup.cpu", [pid 5063] +++ killed by SIGKILL +++ [pid 5062] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] +++ exited with 7 +++ [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5061] close(13 [pid 5008] unlink("./5/cgroup.cpu" [pid 5062] setns(201, 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=7, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] <... setns resumed>) = 0 [pid 5061] close(14 [pid 5008] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555560346d0) = -1 ENOMEM (Cannot allocate memory) [pid 5062] <... socket resumed>) = 4 [pid 5061] close(15 [pid 5008] lstat("./5/binderfs", [pid 5062] setns(3, 0 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5062] <... setns resumed>) = 0 [pid 5061] close(16 [pid 5008] unlink("./5/binderfs" [pid 5062] close(3 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] close(17 [pid 5008] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5061] close(18 [pid 5008] lstat("./5/cgroup", [pid 5062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... bpf resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5061] close(19 [pid 5062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./5/cgroup" [pid 5062] <... bpf resumed>) = 5 [pid 5061] close(20 [pid 5062] close(3 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] close(21 [pid 5008] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = 0 [pid 5061] close(22 [pid 5008] lstat("./5/cgroup.net", [pid 5062] close(5 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] close(23 [pid 5008] unlink("./5/cgroup.net" [pid 5062] close(6 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(24 [pid 5008] <... unlink resumed>) = 0 [pid 5062] close(7 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] getdents64(3, [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(25 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5062] close(8 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] close(3 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(26 [pid 5008] <... close resumed>) = 0 [pid 5062] close(9 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] rmdir("./5" [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(27 [pid 5062] close(10 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(28 [pid 5008] mkdir("./6", 0777 [pid 5062] close(11 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... mkdir resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] close(29 [pid 5062] close(12 [pid 5061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5061] exit_group(0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] close(13 [pid 5061] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5065 attached [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] set_robust_list(0x5555560346e0, 24) = 0 [pid 5061] +++ exited with 0 +++ [pid 5065] chdir("./6" [pid 5062] close(14 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 9 [pid 5065] <... chdir resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] close(15 [pid 5011] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... prctl resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] setpgid(0, 0 [pid 5062] close(16 [pid 5011] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... setpgid resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5065] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5062] close(17 [pid 5011] fstat(3, [pid 5065] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5065] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5062] close(18 [pid 5011] getdents64(3, [pid 5065] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5065] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5062] close(19 [pid 5011] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... symlink resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] close(20 [pid 5011] lstat("./5/cgroup.cpu", [pid 5065] <... openat resumed>) = 3 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5065] write(3, "1000", 4 [pid 5062] close(21 [pid 5011] unlink("./5/cgroup.cpu" [pid 5065] <... write resumed>) = 4 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5065] close(3 [pid 5062] close(22 [pid 5011] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] symlink("/dev/binderfs", "./binderfs" [pid 5011] lstat("./5/binderfs", [pid 5065] <... symlink resumed>) = 0 [pid 5062] close(23 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5065] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./5/binderfs" [pid 5065] <... openat resumed>) = 3 [pid 5062] close(24 [pid 5011] <... unlink resumed>) = 0 [pid 5065] setns(201, 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... setns resumed>) = 0 [pid 5062] close(25 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./5/cgroup", [pid 5065] <... socket resumed>) = 4 [pid 5062] close(26 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5065] setns(3, 0 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./5/cgroup" [pid 5065] <... setns resumed>) = 0 [pid 5062] close(27 [pid 5011] <... unlink resumed>) = 0 [pid 5065] close(3 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 5062] close(28 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./5/cgroup.net", [pid 5065] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5062] close(29 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./5/cgroup.net" [pid 5065] <... bpf resumed>) = 3 [pid 5062] exit_group(0 [pid 5011] <... unlink resumed>) = 0 [pid 5065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5062] <... exit_group resumed>) = ? [pid 5011] getdents64(3, [pid 5065] <... bpf resumed>) = 5 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5065] close(3 [pid 5062] +++ exited with 0 +++ [pid 5011] close(3 [pid 5065] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5065] close(4 [pid 5011] rmdir("./5" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5007] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(5 [pid 5011] mkdir("./6", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] close(6 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5066 attached [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] fstat(3, [pid 5066] set_robust_list(0x5555560346e0, 24 [pid 5065] close(7 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 9 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] getdents64(3, [pid 5066] chdir("./6" [pid 5065] close(8 [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5066] <... chdir resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] close(9 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... prctl resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./7/cgroup.cpu", [pid 5066] setpgid(0, 0 [pid 5065] close(10 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5066] <... setpgid resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./7/cgroup.cpu" [pid 5066] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5065] close(11 [pid 5007] <... unlink resumed>) = 0 [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5065] close(12 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./7/binderfs", [pid 5066] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5065] close(13 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./7/binderfs" [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] close(14 [pid 5007] <... unlink resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] write(3, "1000", 4 [pid 5065] close(15 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... write resumed>) = 4 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./7/cgroup", [pid 5066] close(3 [pid 5065] close(16 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./7/cgroup" [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5065] close(17 [pid 5007] <... unlink resumed>) = 0 [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5065] close(18 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./7/cgroup.net", [pid 5066] setns(201, 0 [pid 5065] close(19 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5066] <... setns resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./7/cgroup.net" [pid 5066] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5065] close(20 [pid 5007] <... unlink resumed>) = 0 [pid 5066] <... socket resumed>) = 4 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] getdents64(3, [pid 5066] setns(3, 0 [pid 5065] close(21 [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5066] <... setns resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(3 [pid 5066] close(3 [pid 5065] close(22 [pid 5007] <... close resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] rmdir("./7" [pid 5066] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5065] close(23 [pid 5007] <... rmdir resumed>) = 0 [pid 5066] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] mkdir("./8", 0777 [pid 5066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5065] close(24 [pid 5007] <... mkdir resumed>) = 0 [pid 5066] <... bpf resumed>) = 3 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached [pid 5066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5065] close(25 [pid 5067] set_robust_list(0x5555560346e0, 24 [pid 5066] <... bpf resumed>) = 5 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... set_robust_list resumed>) = 0 [pid 5066] close(3 [pid 5065] close(26 [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 11 [pid 5067] chdir("./8" [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... chdir resumed>) = 0 [pid 5066] close(4 [pid 5065] close(27 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... prctl resumed>) = 0 [pid 5066] close(5 [pid 5065] close(28 [pid 5067] setpgid(0, 0 [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... setpgid resumed>) = 0 [pid 5066] close(6 [pid 5065] close(29 [pid 5067] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... symlink resumed>) = 0 [pid 5066] close(7 [pid 5065] exit_group(0 [pid 5067] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5065] <... exit_group resumed>) = ? [pid 5067] <... symlink resumed>) = 0 [pid 5066] close(8 [pid 5065] +++ exited with 0 +++ [pid 5067] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] <... symlink resumed>) = 0 [pid 5066] close(9 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... openat resumed>) = 3 [pid 5066] close(10 [pid 5067] write(3, "1000", 4 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... write resumed>) = 4 [pid 5066] close(11 [pid 5067] close(3 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... close resumed>) = 0 [pid 5066] close(12 [pid 5008] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] symlink("/dev/binderfs", "./binderfs" [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... symlink resumed>) = 0 [pid 5066] close(13 [pid 5008] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5066] close(14 [pid 5008] fstat(3, [pid 5067] setns(201, 0 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... setns resumed>) = 0 [pid 5066] close(15 [pid 5008] getdents64(3, [pid 5067] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... socket resumed>) = 4 [pid 5066] close(16 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5067] setns(3, 0 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... setns resumed>) = 0 [pid 5066] close(17 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./6/cgroup.cpu", [pid 5067] <... close resumed>) = 0 [pid 5066] close(18 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5067] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./6/cgroup.cpu" [pid 5067] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] close(19 [pid 5067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5067] <... bpf resumed>) = 3 [pid 5066] close(20 [pid 5008] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... bpf resumed>) = 5 [pid 5066] close(21 [pid 5008] lstat("./6/binderfs", [pid 5067] close(3 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] <... close resumed>) = 0 [pid 5066] close(22 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] close(4 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./6/binderfs" [pid 5067] <... close resumed>) = 0 [pid 5066] close(23 [pid 5008] <... unlink resumed>) = 0 [pid 5067] close(5 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5066] close(24 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(6 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./6/cgroup", [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(25 [pid 5067] close(7 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(26 [pid 5008] unlink("./6/cgroup" [pid 5067] close(8 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(27 [pid 5008] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(9 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(28 [pid 5008] lstat("./6/cgroup.net", [pid 5067] close(10 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] close(29 [pid 5008] unlink("./6/cgroup.net" [pid 5067] close(11 [pid 5066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] exit_group(0 [pid 5008] getdents64(3, [pid 5067] close(12 [pid 5066] <... exit_group resumed>) = ? [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5066] +++ exited with 0 +++ [pid 5067] close(13 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] close(3 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] close(14 [pid 5008] <... close resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./6" [pid 5067] close(15 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... rmdir resumed>) = 0 [pid 5067] close(16 [pid 5011] <... openat resumed>) = 3 [pid 5008] mkdir("./7", 0777 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] close(17 [pid 5011] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(18 [pid 5011] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5068 attached [pid 5011] lstat("./6/cgroup.cpu", [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] set_robust_list(0x5555560346e0, 24 [pid 5067] close(19 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 10 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./6/cgroup.cpu" [pid 5068] chdir("./7" [pid 5067] close(20 [pid 5011] <... unlink resumed>) = 0 [pid 5068] <... chdir resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] close(21 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... prctl resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./6/binderfs", [pid 5068] setpgid(0, 0 [pid 5067] close(22 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... setpgid resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./6/binderfs" [pid 5068] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5067] close(23 [pid 5011] <... unlink resumed>) = 0 [pid 5068] <... symlink resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5067] close(24 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... symlink resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./6/cgroup", [pid 5068] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5067] close(25 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5068] <... symlink resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./6/cgroup" [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] close(26 [pid 5011] <... unlink resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] write(3, "1000", 4 [pid 5067] close(27 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... write resumed>) = 4 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./6/cgroup.net", [pid 5068] close(3 [pid 5067] close(28 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./6/cgroup.net" [pid 5068] symlink("/dev/binderfs", "./binderfs" [pid 5067] close(29 [pid 5011] <... unlink resumed>) = 0 [pid 5068] <... symlink resumed>) = 0 [pid 5067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5068] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5067] exit_group(0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... exit_group resumed>) = ? [pid 5011] close(3 [pid 5068] setns(201, 0 [pid 5011] <... close resumed>) = 0 [pid 5068] <... setns resumed>) = 0 [pid 5011] rmdir("./6" [pid 5068] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5067] +++ exited with 0 +++ [pid 5011] <... rmdir resumed>) = 0 [pid 5068] <... socket resumed>) = 4 [pid 5011] mkdir("./7", 0777 [pid 5068] setns(3, 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] <... setns resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5069 attached [pid 5068] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] set_robust_list(0x5555560346e0, 24 [pid 5068] <... close resumed>) = 0 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 10 [pid 5007] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5007] <... openat resumed>) = 3 [pid 5069] chdir("./7" [pid 5068] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5007] fstat(3, [pid 5069] <... chdir resumed>) = 0 [pid 5068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... bpf resumed>) = 3 [pid 5007] getdents64(3, [pid 5069] <... prctl resumed>) = 0 [pid 5068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5069] setpgid(0, 0 [pid 5068] <... bpf resumed>) = 5 [pid 5007] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... setpgid resumed>) = 0 [pid 5068] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5068] <... close resumed>) = 0 [pid 5007] lstat("./8/cgroup.cpu", [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(4 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5069] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5068] <... close resumed>) = 0 [pid 5007] unlink("./8/cgroup.cpu" [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(5 [pid 5007] <... unlink resumed>) = 0 [pid 5069] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5068] <... close resumed>) = 0 [pid 5007] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(6 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./8/binderfs", [pid 5068] close(7 [pid 5069] <... openat resumed>) = 3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] write(3, "1000", 4 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./8/binderfs" [pid 5069] <... write resumed>) = 4 [pid 5068] close(8 [pid 5007] <... unlink resumed>) = 0 [pid 5069] close(3 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5068] close(9 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./8/cgroup", [pid 5069] <... symlink resumed>) = 0 [pid 5068] close(10 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./8/cgroup" [pid 5069] <... openat resumed>) = 3 [pid 5068] close(11 [pid 5007] <... unlink resumed>) = 0 [pid 5069] setns(201, 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... setns resumed>) = 0 [pid 5068] close(12 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./8/cgroup.net", [pid 5069] <... socket resumed>) = 4 [pid 5068] close(13 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5069] setns(3, 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./8/cgroup.net" [pid 5069] <... setns resumed>) = 0 [pid 5068] close(14 [pid 5007] <... unlink resumed>) = 0 [pid 5069] close(3 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5068] close(15 [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5069] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(3 [pid 5069] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] close(16 [pid 5007] <... close resumed>) = 0 [pid 5069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] rmdir("./8" [pid 5068] close(17 [pid 5007] <... rmdir resumed>) = 0 [pid 5069] <... bpf resumed>) = 3 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] mkdir("./9", 0777 [pid 5069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5068] close(18 [pid 5007] <... mkdir resumed>) = 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached [pid 5068] close(19) = -1 EBADF (Bad file descriptor) [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 12 [pid 5070] set_robust_list(0x5555560346e0, 24 [pid 5069] <... bpf resumed>) = 5 [pid 5068] close(20 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] close(3 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] chdir("./9" [pid 5068] close(21 [pid 5070] <... chdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] close(4 [pid 5068] close(22 [pid 5070] <... prctl resumed>) = 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] setpgid(0, 0 [pid 5069] <... close resumed>) = 0 [pid 5068] close(23 [pid 5070] <... setpgid resumed>) = 0 [pid 5069] close(5 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(24 [pid 5070] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... symlink resumed>) = 0 [pid 5069] close(6 [pid 5068] close(25 [pid 5070] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... symlink resumed>) = 0 [pid 5069] close(7 [pid 5068] close(26 [pid 5070] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(27 [pid 5070] <... symlink resumed>) = 0 [pid 5069] close(8 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(28 [pid 5069] close(9 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] close(29 [pid 5070] write(3, "1000", 4 [pid 5069] close(10 [pid 5068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] exit_group(0) = ? [pid 5070] <... write resumed>) = 4 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5068] +++ exited with 0 +++ [pid 5070] close(3 [pid 5069] close(11 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] symlink("/dev/binderfs", "./binderfs" [pid 5069] close(12) = -1 EBADF (Bad file descriptor) [pid 5070] <... symlink resumed>) = 0 [pid 5069] close(13 [pid 5070] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... openat resumed>) = 3 [pid 5069] close(14 [pid 5070] setns(201, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... setns resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5069] close(15) = -1 EBADF (Bad file descriptor) [pid 5008] <... openat resumed>) = 3 [pid 5070] <... socket resumed>) = 4 [pid 5069] close(16 [pid 5008] fstat(3, [pid 5070] setns(3, 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... setns resumed>) = 0 [pid 5069] close(17 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(3 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5069] close(18 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5070] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] close(19 [pid 5008] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(20) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./7/cgroup.cpu", [pid 5070] <... bpf resumed>) = 3 [pid 5069] close(21 [pid 5070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5069] close(22 [pid 5008] unlink("./7/cgroup.cpu" [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] close(23 [pid 5008] <... unlink resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... bpf resumed>) = 5 [pid 5069] close(24 [pid 5070] close(3 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5069] close(25 [pid 5008] lstat("./7/binderfs", [pid 5070] close(4 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] close(26 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] <... close resumed>) = 0 [pid 5008] unlink("./7/binderfs" [pid 5070] close(5 [pid 5069] close(27 [pid 5008] <... unlink resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] close(28 [pid 5008] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5070] close(6 [pid 5069] close(29 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./7/cgroup", [pid 5070] close(7 [pid 5069] exit_group(0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5069] <... exit_group resumed>) = ? [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./7/cgroup" [pid 5069] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5070] close(8 [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(9 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./7/cgroup.net", [pid 5070] close(10 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5070] close(11 [pid 5011] <... openat resumed>) = 3 [pid 5008] unlink("./7/cgroup.net" [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5070] close(12 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5008] getdents64(3, [pid 5070] close(13 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5070] close(14 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./7/cgroup.cpu", [pid 5008] <... close resumed>) = 0 [pid 5070] close(15 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] rmdir("./7" [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./7/cgroup.cpu" [pid 5070] close(16 [pid 5011] <... unlink resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(17 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./8", 0777 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./7/binderfs", [pid 5070] close(18 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./7/binderfs" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(19 [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./7/cgroup", ./strace-static-x86_64: Process 5071 attached [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5071] set_robust_list(0x5555560346e0, 24 [pid 5070] close(20 [pid 5011] unlink("./7/cgroup" [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 11 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5071] chdir("./8" [pid 5070] close(21 [pid 5011] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... chdir resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] close(22 [pid 5011] lstat("./7/cgroup.net", [pid 5071] <... prctl resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5071] setpgid(0, 0 [pid 5070] close(23 [pid 5011] unlink("./7/cgroup.net" [pid 5071] <... setpgid resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5071] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5070] close(24 [pid 5011] getdents64(3, [pid 5071] <... symlink resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5071] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5070] close(25 [pid 5011] close(3 [pid 5071] <... symlink resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5071] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5070] close(26 [pid 5011] rmdir("./7" [pid 5071] <... symlink resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] close(27 [pid 5011] mkdir("./8", 0777 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5071] write(3, "1000", 4 [pid 5070] close(28 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached [pid 5071] <... write resumed>) = 4 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] set_robust_list(0x5555560346e0, 24 [pid 5071] close(3 [pid 5070] close(29 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 11 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] chdir("./8" [pid 5071] symlink("/dev/binderfs", "./binderfs" [pid 5070] exit_group(0 [pid 5072] <... chdir resumed>) = 0 [pid 5071] <... symlink resumed>) = 0 [pid 5070] <... exit_group resumed>) = ? [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5070] +++ exited with 0 +++ [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... prctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5072] setpgid(0, 0 [pid 5071] setns(201, 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5071] <... setns resumed>) = 0 [pid 5072] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5071] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5007] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... socket resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5071] setns(3, 0 [pid 5007] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... setns resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5072] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5071] close(3 [pid 5007] fstat(3, [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5007] getdents64(3, [pid 5072] <... openat resumed>) = 3 [pid 5071] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5007] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5072] write(3, "1000", 4 [pid 5071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5007] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... write resumed>) = 4 [pid 5071] <... bpf resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5007] lstat("./9/cgroup.cpu", [pid 5072] <... close resumed>) = 0 [pid 5071] <... bpf resumed>) = 5 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs" [pid 5071] close(3 [pid 5007] unlink("./9/cgroup.cpu" [pid 5072] <... symlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5071] close(4 [pid 5007] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] setns(201, 0 [pid 5071] close(5 [pid 5007] lstat("./9/binderfs", [pid 5072] <... setns resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5071] <... close resumed>) = 0 [pid 5007] unlink("./9/binderfs" [pid 5072] <... socket resumed>) = 4 [pid 5071] close(6 [pid 5007] <... unlink resumed>) = 0 [pid 5072] setns(3, 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... setns resumed>) = 0 [pid 5071] close(7 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./9/cgroup", [pid 5072] <... close resumed>) = 0 [pid 5071] close(8 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5072] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./9/cgroup" [pid 5072] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] close(9 [pid 5007] <... unlink resumed>) = 0 [pid 5072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... bpf resumed>) = 3 [pid 5071] close(10 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] lstat("./9/cgroup.net", [pid 5071] close(11 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] unlink("./9/cgroup.net" [pid 5071] close(12 [pid 5007] <... unlink resumed>) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] getdents64(3, [pid 5071] close(13 [pid 5007] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] close(3 [pid 5071] close(14 [pid 5007] <... close resumed>) = 0 [pid 5072] <... bpf resumed>) = 5 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] rmdir("./9" [pid 5072] close(3 [pid 5071] close(15 [pid 5007] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] mkdir("./10", 0777 [pid 5072] close(4 [pid 5071] close(16 [pid 5007] <... mkdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached [pid 5072] close(5 [pid 5071] close(17 [pid 5073] set_robust_list(0x5555560346e0, 24 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] close(6 [pid 5071] close(18 [pid 5007] <... clone resumed>, child_tidptr=0x5555560346d0) = 13 [pid 5073] chdir("./10" [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5073] <... chdir resumed>) = 0 [pid 5072] close(7 [pid 5071] close(19 [pid 5007] exit_group(7 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... exit_group resumed>) = ? [pid 5073] <... prctl resumed>) = ? [pid 5072] close(8 [pid 5071] close(20 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(9 [pid 5071] close(21 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(10 [pid 5071] close(22) = -1 EBADF (Bad file descriptor) [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] close(23 [pid 5072] close(11) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(12 [pid 5071] close(24 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(13 [pid 5071] close(25 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5073] +++ killed by SIGKILL +++ [pid 5072] close(14 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] +++ exited with 7 +++ [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(15 [pid 5071] close(26 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=7, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] close(16 [pid 5071] close(27 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... clone resumed>, child_tidptr=0x5555560346d0) = -1 ENOMEM (Cannot allocate memory) [pid 5072] close(17 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] close(28 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] close(18 [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... clone resumed>, child_tidptr=0x5555560346d0) = -1 ENOMEM (Cannot allocate memory) [pid 5072] close(19 [pid 5071] close(29 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] close(20 [pid 5071] exit_group(0 [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] <... clone resumed>, child_tidptr=0x5555560346d0) = -1 ENOMEM (Cannot allocate memory) [pid 5072] close(21 [pid 5071] <... exit_group resumed>) = ? [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(22) = -1 EBADF (Bad file descriptor) [pid 5072] close(23 [pid 5071] +++ exited with 0 +++ [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] close(24 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5072] close(25) = -1 EBADF (Bad file descriptor) [pid 5008] <... restart_syscall resumed>) = 0 [pid 5072] close(26) = -1 EBADF (Bad file descriptor) [pid 5072] close(27) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(28) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(29 [pid 5008] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5072] exit_group(0 [pid 5008] <... openat resumed>) = 3 [pid 5072] <... exit_group resumed>) = ? [pid 5072] +++ exited with 0 +++ [pid 5008] fstat(3, [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./8/cgroup.cpu", [pid 5011] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] unlink("./8/cgroup.cpu" [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./8/cgroup.cpu", [pid 5008] lstat("./8/binderfs", [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./8/cgroup.cpu" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5008] unlink("./8/binderfs" [pid 5011] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./8/binderfs", [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] unlink("./8/binderfs") = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./8/cgroup", [pid 5011] lstat("./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5011] unlink("./8/cgroup" [pid 5008] unlink("./8/cgroup" [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./8/cgroup.net", [pid 5008] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./8/cgroup.net" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... unlink resumed>) = 0 [pid 5008] lstat("./8/cgroup.net", [pid 5011] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] close(3 [pid 5008] unlink("./8/cgroup.net" [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./8" [pid 5008] <... unlink resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5011] mkdir("./9", 0777) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] close(3./strace-static-x86_64: Process 5077 attached ) = 0 [pid 5077] set_robust_list(0x5555560346e0, 24 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 12 [pid 5008] rmdir("./8" [pid 5077] <... set_robust_list resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5077] chdir("./9" [pid 5008] mkdir("./9", 0777 [pid 5077] <... chdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5078 attached [pid 5077] setpgid(0, 0 [pid 5078] set_robust_list(0x5555560346e0, 24 [pid 5077] <... setpgid resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 12 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5078] chdir("./9" [pid 5077] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5078] <... chdir resumed>) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... symlink resumed>) = 0 [pid 5078] <... prctl resumed>) = 0 [pid 5077] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5078] setpgid(0, 0) = 0 [pid 5077] <... symlink resumed>) = 0 [pid 5078] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5077] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5078] <... symlink resumed>) = 0 [pid 5078] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5077] <... symlink resumed>) = 0 [pid 5078] <... symlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5077] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] write(3, "1000", 4 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... write resumed>) = 4 [pid 5078] write(3, "1000", 4 [pid 5077] close(3 [pid 5078] <... write resumed>) = 4 [pid 5077] <... close resumed>) = 0 [pid 5078] close(3 [pid 5077] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... close resumed>) = 0 [pid 5078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5077] <... symlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5077] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5078] <... openat resumed>) = 3 [pid 5078] setns(201, 0) = 0 [pid 5078] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5077] <... openat resumed>) = 3 [pid 5078] <... socket resumed>) = 4 [pid 5077] setns(201, 0 [pid 5078] setns(3, 0 [pid 5077] <... setns resumed>) = 0 [pid 5078] <... setns resumed>) = 0 [pid 5077] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5078] close(3) = 0 [pid 5077] <... socket resumed>) = 4 [pid 5078] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8) = -1 EBUSY (Device or resource busy) [pid 5077] setns(3, 0 [pid 5078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5077] <... setns resumed>) = 0 [pid 5078] <... bpf resumed>) = 3 [pid 5077] close(3 [pid 5078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5077] <... close resumed>) = 0 [pid 5078] <... bpf resumed>) = 5 [pid 5078] close(3 [pid 5077] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5078] <... close resumed>) = 0 [pid 5077] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] close(4 [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5078] <... close resumed>) = 0 [pid 5078] close(5) = 0 [pid 5077] <... bpf resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] close(6 [pid 5077] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(7 [pid 5077] exit_group(7 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... exit_group resumed>) = ? [pid 5078] close(8) = -1 EBADF (Bad file descriptor) [pid 5078] close(9) = -1 EBADF (Bad file descriptor) [pid 5078] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] close(12) = -1 EBADF (Bad file descriptor) [pid 5078] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] close(14) = -1 EBADF (Bad file descriptor) [pid 5077] +++ exited with 7 +++ [pid 5078] close(15 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=7, si_utime=0, si_stime=0} --- [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5078] close(16 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(17) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(18 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] close(19 [pid 5011] <... openat resumed>) = 3 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5078] close(20 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5078] close(21 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(22 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./9/cgroup.cpu", [pid 5078] close(23 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./9/cgroup.cpu" [pid 5078] close(24 [pid 5011] <... unlink resumed>) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(25 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./9/binderfs", [pid 5078] close(26 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./9/binderfs" [pid 5078] close(27 [pid 5011] <... unlink resumed>) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(28 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./9/cgroup", [pid 5078] close(29 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./9/cgroup" [pid 5078] exit_group(0 [pid 5011] <... unlink resumed>) = 0 [pid 5078] <... exit_group resumed>) = ? [pid 5011] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] +++ exited with 0 +++ [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./9/cgroup.net") = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] close(3) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] rmdir("./9") = 0 [pid 5008] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] mkdir("./10", 0777) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] fstat(3, ./strace-static-x86_64: Process 5079 attached [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 13 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] set_robust_list(0x5555560346e0, 24 [pid 5008] getdents64(3, [pid 5079] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5079] chdir("./10" [pid 5008] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] <... chdir resumed>) = 0 [pid 5008] lstat("./9/cgroup.cpu", [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] setpgid(0, 0 [pid 5008] unlink("./9/cgroup.cpu" [pid 5079] <... setpgid resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5079] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./9/binderfs", [pid 5079] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... symlink resumed>) = 0 [pid 5008] unlink("./9/binderfs" [pid 5079] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] lstat("./9/cgroup", [pid 5079] <... openat resumed>) = 3 [pid 5079] write(3, "1000", 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... write resumed>) = 4 [pid 5008] unlink("./9/cgroup" [pid 5079] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./9/cgroup.net", [pid 5079] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5008] unlink("./9/cgroup.net" [pid 5079] setns(201, 0 [pid 5008] <... unlink resumed>) = 0 [pid 5079] <... setns resumed>) = 0 [pid 5008] getdents64(3, [pid 5079] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5079] <... socket resumed>) = 4 [pid 5079] setns(3, 0 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./9" [pid 5079] <... setns resumed>) = 0 [pid 5079] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5008] mkdir("./10", 0777) = 0 [pid 5079] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... connect resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5080 attached [pid 5079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5080] set_robust_list(0x5555560346e0, 24) = 0 [pid 5079] <... bpf resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 13 [pid 5080] chdir("./10" [pid 5079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5080] <... chdir resumed>) = 0 [pid 5079] <... bpf resumed>) = 5 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] close(3 [pid 5080] <... prctl resumed>) = 0 [pid 5080] setpgid(0, 0 [pid 5079] <... close resumed>) = 0 [pid 5080] <... setpgid resumed>) = 0 [pid 5079] close(4 [pid 5080] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... close resumed>) = 0 [pid 5080] <... symlink resumed>) = 0 [pid 5079] close(5 [pid 5080] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5079] <... close resumed>) = 0 [pid 5080] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5079] close(6 [pid 5080] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] close(7 [pid 5080] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] write(3, "1000", 4 [pid 5079] close(8 [pid 5080] <... write resumed>) = 4 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5079] close(9 [pid 5080] <... close resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] symlink("/dev/binderfs", "./binderfs" [pid 5079] close(10 [pid 5080] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5079] close(11 [pid 5080] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] setns(201, 0 [pid 5079] close(12 [pid 5080] <... setns resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5079] close(13 [pid 5080] <... socket resumed>) = 4 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] setns(3, 0 [pid 5079] close(14 [pid 5080] <... setns resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5079] close(15 [pid 5080] <... close resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5079] close(16 [pid 5080] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5079] close(17 [pid 5080] <... bpf resumed>) = 3 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5079] close(18 [pid 5080] <... bpf resumed>) = 5 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5079] close(19 [pid 5080] <... close resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(4 [pid 5079] close(20 [pid 5080] <... close resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(5 [pid 5079] close(21 [pid 5080] <... close resumed>) = 0 [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(6 [pid 5079] close(22 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(7 [pid 5079] close(23 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(8 [pid 5079] close(24 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(9 [pid 5079] close(25 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(10 [pid 5079] close(26 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(11 [pid 5079] close(27 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(12 [pid 5079] close(28 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(13 [pid 5079] close(29 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(14 [pid 5079] exit_group(0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... exit_group resumed>) = ? [pid 5080] close(15) = -1 EBADF (Bad file descriptor) [pid 5080] close(16) = -1 EBADF (Bad file descriptor) [pid 5080] close(17) = -1 EBADF (Bad file descriptor) [pid 5079] +++ exited with 0 +++ [pid 5080] close(18 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(19) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(20 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] close(21 [pid 5011] <... openat resumed>) = 3 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5080] close(22 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5080] close(23 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(24 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./10/cgroup.cpu", [pid 5080] close(25 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./10/cgroup.cpu" [pid 5080] close(26 [pid 5011] <... unlink resumed>) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(27 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./10/binderfs", [pid 5080] close(28 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./10/binderfs" [pid 5080] close(29 [pid 5011] <... unlink resumed>) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] exit_group(0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... exit_group resumed>) = ? [pid 5011] lstat("./10/cgroup", [pid 5080] +++ exited with 0 +++ [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5011] unlink("./10/cgroup") = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5011] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./10/cgroup.net") = 0 [pid 5008] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] close(3) = 0 [pid 5008] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] rmdir("./10") = 0 [pid 5008] <... openat resumed>) = 3 [pid 5011] mkdir("./11", 0777 [pid 5008] fstat(3, [pid 5011] <... mkdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5081 attached [pid 5008] getdents64(3, [pid 5081] set_robust_list(0x5555560346e0, 24 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 14 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5081] chdir("./11" [pid 5008] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... chdir resumed>) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... prctl resumed>) = 0 [pid 5008] lstat("./10/cgroup.cpu", [pid 5081] setpgid(0, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... setpgid resumed>) = 0 [pid 5008] unlink("./10/cgroup.cpu" [pid 5081] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] <... unlink resumed>) = 0 [pid 5081] <... symlink resumed>) = 0 [pid 5081] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] lstat("./10/binderfs", [pid 5081] <... symlink resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5008] unlink("./10/binderfs" [pid 5081] write(3, "1000", 4) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5081] close(3 [pid 5008] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... close resumed>) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... symlink resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] lstat("./10/cgroup", [pid 5081] <... openat resumed>) = 3 [pid 5081] setns(201, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] <... setns resumed>) = 0 [pid 5008] unlink("./10/cgroup" [pid 5081] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5081] setns(3, 0 [pid 5008] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... setns resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(3 [pid 5008] lstat("./10/cgroup.net", [pid 5081] <... close resumed>) = 0 [pid 5081] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] unlink("./10/cgroup.net" [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] <... unlink resumed>) = 0 [pid 5081] <... bpf resumed>) = 3 [pid 5008] getdents64(3, [pid 5081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5081] <... bpf resumed>) = 5 [pid 5008] close(3 [pid 5081] close(3) = 0 [pid 5008] <... close resumed>) = 0 [pid 5081] close(4 [pid 5008] rmdir("./10" [pid 5081] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5081] close(5 [pid 5008] mkdir("./11", 0777 [pid 5081] <... close resumed>) = 0 [pid 5081] close(6 [pid 5008] <... mkdir resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] close(7./strace-static-x86_64: Process 5082 attached ) = -1 EBADF (Bad file descriptor) [pid 5082] set_robust_list(0x5555560346e0, 24 [pid 5081] close(8 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 14 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] chdir("./11" [pid 5081] close(9 [pid 5082] <... chdir resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] close(10 [pid 5082] <... prctl resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] setpgid(0, 0 [pid 5081] close(11 [pid 5082] <... setpgid resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5081] close(12 [pid 5082] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(13 [pid 5082] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(14 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5081] close(15 [pid 5082] write(3, "1000", 4 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... write resumed>) = 4 [pid 5081] close(16 [pid 5082] close(3 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] close(17 [pid 5082] symlink("/dev/binderfs", "./binderfs" [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... symlink resumed>) = 0 [pid 5081] close(18 [pid 5082] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5081] close(19 [pid 5082] setns(201, 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... setns resumed>) = 0 [pid 5081] close(20 [pid 5082] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... socket resumed>) = 4 [pid 5081] close(21 [pid 5082] setns(3, 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... setns resumed>) = 0 [pid 5081] close(22 [pid 5082] close(3 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] close(23 [pid 5082] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5081] close(24 [pid 5082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... bpf resumed>) = 3 [pid 5081] close(25 [pid 5082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... bpf resumed>) = 5 [pid 5081] close(26 [pid 5082] close(3 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] close(27 [pid 5082] close(4 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] close(28 [pid 5082] close(5 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] close(29 [pid 5082] close(6 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] exit_group(0 [pid 5082] close(7 [pid 5081] <... exit_group resumed>) = ? [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(8) = -1 EBADF (Bad file descriptor) [pid 5082] close(9) = -1 EBADF (Bad file descriptor) [pid 5081] +++ exited with 0 +++ [pid 5082] close(10 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5082] close(11 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(12) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(13 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] close(14 [pid 5011] <... openat resumed>) = 3 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5082] close(15 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5082] close(16 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(17 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./11/cgroup.cpu", [pid 5082] close(18 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./11/cgroup.cpu" [pid 5082] close(19 [pid 5011] <... unlink resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(20 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./11/binderfs", [pid 5082] close(21 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./11/binderfs" [pid 5082] close(22 [pid 5011] <... unlink resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(23 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./11/cgroup", [pid 5082] close(24 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./11/cgroup" [pid 5082] close(25 [pid 5011] <... unlink resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(26 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./11/cgroup.net", [pid 5082] close(27 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./11/cgroup.net" [pid 5082] close(28 [pid 5011] <... unlink resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5082] close(29 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5082] exit_group(0 [pid 5011] <... close resumed>) = 0 [pid 5082] <... exit_group resumed>) = ? [pid 5011] rmdir("./11" [pid 5082] +++ exited with 0 +++ [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./12", 0777) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5083 attached [pid 5008] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] set_robust_list(0x5555560346e0, 24 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 15 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] chdir("./12" [pid 5008] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] <... chdir resumed>) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... openat resumed>) = 3 [pid 5083] <... prctl resumed>) = 0 [pid 5008] fstat(3, [pid 5083] setpgid(0, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... setpgid resumed>) = 0 [pid 5083] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] getdents64(3, [pid 5083] <... symlink resumed>) = 0 [pid 5083] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5083] <... symlink resumed>) = 0 [pid 5008] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... symlink resumed>) = 0 [pid 5008] lstat("./11/cgroup.cpu", [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5083] write(3, "1000", 4 [pid 5008] unlink("./11/cgroup.cpu" [pid 5083] <... write resumed>) = 4 [pid 5083] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5008] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] lstat("./11/binderfs", [pid 5083] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] setns(201, 0 [pid 5008] unlink("./11/binderfs" [pid 5083] <... setns resumed>) = 0 [pid 5083] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] <... unlink resumed>) = 0 [pid 5083] <... socket resumed>) = 4 [pid 5008] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] setns(3, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... setns resumed>) = 0 [pid 5008] lstat("./11/cgroup", [pid 5083] close(3) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] unlink("./11/cgroup" [pid 5083] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] <... unlink resumed>) = 0 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... bpf resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] lstat("./11/cgroup.net", [pid 5083] <... bpf resumed>) = 5 [pid 5083] close(3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] <... close resumed>) = 0 [pid 5008] unlink("./11/cgroup.net" [pid 5083] close(4 [pid 5008] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5083] close(5) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5083] close(6 [pid 5008] close(3 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(7 [pid 5008] <... close resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] rmdir("./11" [pid 5083] close(8) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5083] close(9 [pid 5008] mkdir("./12", 0777 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(10 [pid 5008] <... mkdir resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] close(11./strace-static-x86_64: Process 5084 attached ) = -1 EBADF (Bad file descriptor) [pid 5084] set_robust_list(0x5555560346e0, 24 [pid 5083] close(12 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 15 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] chdir("./12" [pid 5083] close(13 [pid 5084] <... chdir resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] close(14 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] setpgid(0, 0 [pid 5083] close(15 [pid 5084] <... setpgid resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5083] close(16 [pid 5084] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5083] close(17 [pid 5084] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5083] close(18 [pid 5084] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] close(19 [pid 5084] <... openat resumed>) = 3 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] write(3, "1000", 4 [pid 5083] close(20 [pid 5084] <... write resumed>) = 4 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] close(3 [pid 5083] close(21 [pid 5084] <... close resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] symlink("/dev/binderfs", "./binderfs" [pid 5083] close(22 [pid 5084] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5083] close(23 [pid 5084] <... openat resumed>) = 3 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] setns(201, 0 [pid 5083] close(24 [pid 5084] <... setns resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5083] close(25 [pid 5084] <... socket resumed>) = 4 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] setns(3, 0 [pid 5083] close(26 [pid 5084] <... setns resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] close(3 [pid 5083] close(27 [pid 5084] <... close resumed>) = 0 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5083] close(28 [pid 5084] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5083] close(29 [pid 5084] <... bpf resumed>) = 3 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5083] exit_group(0 [pid 5084] <... bpf resumed>) = 5 [pid 5083] <... exit_group resumed>) = ? [pid 5084] close(3) = 0 [pid 5084] close(4) = 0 [pid 5083] +++ exited with 0 +++ [pid 5084] close(5 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5084] <... close resumed>) = 0 [pid 5084] close(6) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] close(7 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] close(8 [pid 5011] <... openat resumed>) = 3 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5084] close(9 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5084] close(10 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] close(11 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./12/cgroup.cpu", [pid 5084] close(12 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./12/cgroup.cpu" [pid 5084] close(13 [pid 5011] <... unlink resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] close(14 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./12/binderfs", [pid 5084] close(15 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./12/binderfs" [pid 5084] close(16 [pid 5011] <... unlink resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] close(17 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./12/cgroup", [pid 5084] close(18 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./12/cgroup" [pid 5084] close(19 [pid 5011] <... unlink resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] close(20 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./12/cgroup.net", [pid 5084] close(21 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./12/cgroup.net" [pid 5084] close(22 [pid 5011] <... unlink resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5084] close(23 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5084] close(24 [pid 5011] <... close resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./12" [pid 5084] close(25 [pid 5011] <... rmdir resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] mkdir("./13", 0777 [pid 5084] close(26 [pid 5011] <... mkdir resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached [pid 5084] close(27) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 16 [pid 5085] set_robust_list(0x5555560346e0, 24 [pid 5084] close(28 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] close(29 [pid 5085] chdir("./13" [pid 5084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] <... chdir resumed>) = 0 [pid 5084] exit_group(0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] <... exit_group resumed>) = ? [pid 5085] <... prctl resumed>) = 0 [pid 5084] +++ exited with 0 +++ [pid 5085] setpgid(0, 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5085] <... setpgid resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5085] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] <... restart_syscall resumed>) = 0 [pid 5085] <... symlink resumed>) = 0 [pid 5085] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5085] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5085] <... openat resumed>) = 3 [pid 5085] write(3, "1000", 4 [pid 5008] <... openat resumed>) = 3 [pid 5085] <... write resumed>) = 4 [pid 5008] fstat(3, [pid 5085] close(3) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs" [pid 5008] getdents64(3, [pid 5085] <... symlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5085] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] setns(201, 0 [pid 5008] lstat("./12/cgroup.cpu", [pid 5085] <... setns resumed>) = 0 [pid 5085] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./12/cgroup.cpu") = 0 [pid 5008] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./12/binderfs", [pid 5085] <... socket resumed>) = 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./12/binderfs" [pid 5085] setns(3, 0 [pid 5008] <... unlink resumed>) = 0 [pid 5085] <... setns resumed>) = 0 [pid 5008] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5085] close(3 [pid 5008] lstat("./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5085] <... close resumed>) = 0 [pid 5008] unlink("./12/cgroup") = 0 [pid 5085] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5085] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] lstat("./12/cgroup.net", [pid 5085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5085] <... bpf resumed>) = 3 [pid 5008] unlink("./12/cgroup.net" [pid 5085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5085] <... bpf resumed>) = 5 [pid 5085] close(3 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./12" [pid 5085] <... close resumed>) = 0 [pid 5085] close(4 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./13", 0777 [pid 5085] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5085] close(5 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] <... close resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5085] close(6 [pid 5086] set_robust_list(0x5555560346e0, 24) = 0 [pid 5086] chdir("./13") = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5086] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 16 [pid 5086] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5085] close(7 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... openat resumed>) = 3 [pid 5085] close(8 [pid 5086] write(3, "1000", 4 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... write resumed>) = 4 [pid 5085] close(9 [pid 5086] close(3 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = 0 [pid 5085] close(10 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... symlink resumed>) = 0 [pid 5085] close(11 [pid 5086] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... openat resumed>) = 3 [pid 5085] close(12 [pid 5086] setns(201, 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... setns resumed>) = 0 [pid 5085] close(13 [pid 5086] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... socket resumed>) = 4 [pid 5086] setns(3, 0 [pid 5085] close(14 [pid 5086] <... setns resumed>) = 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(3 [pid 5085] close(15 [pid 5086] <... close resumed>) = 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5085] close(16 [pid 5086] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5085] close(17 [pid 5086] <... bpf resumed>) = 3 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5085] close(18 [pid 5086] <... bpf resumed>) = 5 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(3 [pid 5085] close(19 [pid 5086] <... close resumed>) = 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(4 [pid 5085] close(20 [pid 5086] <... close resumed>) = 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(5 [pid 5085] close(21 [pid 5086] <... close resumed>) = 0 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(6 [pid 5085] close(22 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(7 [pid 5085] close(23 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(8 [pid 5085] close(24 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(9 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(25 [pid 5086] close(10 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(26 [pid 5086] close(11 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(27 [pid 5086] close(12 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] close(28 [pid 5086] close(13 [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(14 [pid 5085] close(29 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(15) = -1 EBADF (Bad file descriptor) [pid 5085] exit_group(0 [pid 5086] close(16 [pid 5085] <... exit_group resumed>) = ? [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(17) = -1 EBADF (Bad file descriptor) [pid 5086] close(18) = -1 EBADF (Bad file descriptor) [pid 5086] close(19) = -1 EBADF (Bad file descriptor) [pid 5086] close(20) = -1 EBADF (Bad file descriptor) [pid 5086] close(21) = -1 EBADF (Bad file descriptor) [pid 5086] close(22) = -1 EBADF (Bad file descriptor) [pid 5085] +++ exited with 0 +++ [pid 5086] close(23 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(24) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] close(25 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5086] close(26 [pid 5011] <... openat resumed>) = 3 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5086] close(27 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5086] close(28 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] close(29 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./13/cgroup.cpu", [pid 5086] exit_group(0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5086] <... exit_group resumed>) = ? [pid 5011] unlink("./13/cgroup.cpu" [pid 5086] +++ exited with 0 +++ [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./13/binderfs") = 0 [pid 5011] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] unlink("./13/cgroup" [pid 5008] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5011] lstat("./13/cgroup.net", [pid 5008] fstat(3, [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./13/cgroup.net" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] getdents64(3, [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./13" [pid 5008] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./14", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... mkdir resumed>) = 0 [pid 5008] lstat("./13/cgroup.cpu", [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5087 attached [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 17 [pid 5008] unlink("./13/cgroup.cpu" [pid 5087] set_robust_list(0x5555560346e0, 24) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] chdir("./14" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./13/binderfs", [pid 5087] <... chdir resumed>) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./13/binderfs" [pid 5087] <... prctl resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5087] setpgid(0, 0 [pid 5008] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] <... setpgid resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./13/cgroup", [pid 5087] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5087] <... symlink resumed>) = 0 [pid 5008] unlink("./13/cgroup") = 0 [pid 5087] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5087] <... symlink resumed>) = 0 [pid 5008] lstat("./13/cgroup.net", [pid 5087] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./13/cgroup.net" [pid 5087] <... symlink resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5087] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5087] write(3, "1000", 4 [pid 5008] close(3) = 0 [pid 5087] <... write resumed>) = 4 [pid 5008] rmdir("./13" [pid 5087] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5008] mkdir("./14", 0777 [pid 5087] <... close resumed>) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... mkdir resumed>) = 0 [pid 5087] <... symlink resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached [pid 5087] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5088] set_robust_list(0x5555560346e0, 24) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 17 [pid 5088] chdir("./14" [pid 5087] setns(201, 0 [pid 5088] <... chdir resumed>) = 0 [pid 5087] <... setns resumed>) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5088] <... prctl resumed>) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5087] <... socket resumed>) = 4 [pid 5088] <... symlink resumed>) = 0 [pid 5087] setns(3, 0 [pid 5088] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5087] <... setns resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5087] close(3 [pid 5088] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5087] <... close resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5088] <... openat resumed>) = 3 [pid 5087] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5088] write(3, "1000", 4 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5088] <... write resumed>) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5087] <... bpf resumed>) = 3 [pid 5088] <... symlink resumed>) = 0 [pid 5087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5088] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5087] <... bpf resumed>) = 5 [pid 5088] setns(201, 0 [pid 5087] close(3 [pid 5088] <... setns resumed>) = 0 [pid 5087] <... close resumed>) = 0 [pid 5088] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5087] close(4 [pid 5088] <... socket resumed>) = 4 [pid 5088] setns(3, 0 [pid 5087] <... close resumed>) = 0 [pid 5088] <... setns resumed>) = 0 [pid 5087] close(5 [pid 5088] close(3 [pid 5087] <... close resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5087] close(6 [pid 5088] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5087] close(7 [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] <... bpf resumed>) = 3 [pid 5087] close(8 [pid 5088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5087] close(9) = -1 EBADF (Bad file descriptor) [pid 5087] close(10) = -1 EBADF (Bad file descriptor) [pid 5087] close(11) = -1 EBADF (Bad file descriptor) [pid 5087] close(12) = -1 EBADF (Bad file descriptor) [pid 5087] close(13) = -1 EBADF (Bad file descriptor) [pid 5087] close(14) = -1 EBADF (Bad file descriptor) [pid 5087] close(15) = -1 EBADF (Bad file descriptor) [pid 5087] close(16) = -1 EBADF (Bad file descriptor) [pid 5087] close(17) = -1 EBADF (Bad file descriptor) [pid 5087] close(18) = -1 EBADF (Bad file descriptor) [pid 5087] close(19) = -1 EBADF (Bad file descriptor) [pid 5087] close(20) = -1 EBADF (Bad file descriptor) [pid 5087] close(21) = -1 EBADF (Bad file descriptor) [pid 5087] close(22) = -1 EBADF (Bad file descriptor) [pid 5087] close(23) = -1 EBADF (Bad file descriptor) [pid 5087] close(24) = -1 EBADF (Bad file descriptor) [pid 5087] close(25) = -1 EBADF (Bad file descriptor) [pid 5087] close(26) = -1 EBADF (Bad file descriptor) [pid 5087] close(27) = -1 EBADF (Bad file descriptor) [pid 5087] close(28) = -1 EBADF (Bad file descriptor) [pid 5087] close(29) = -1 EBADF (Bad file descriptor) [pid 5087] exit_group(0) = ? [pid 5087] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5011] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 5088] <... bpf resumed>) = 5 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5088] close(3 [pid 5011] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] close(4 [pid 5011] lstat("./14/cgroup.cpu", [pid 5088] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5088] close(5 [pid 5011] unlink("./14/cgroup.cpu" [pid 5088] <... close resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5088] close(6 [pid 5011] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] close(7 [pid 5011] lstat("./14/binderfs", [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5088] close(8 [pid 5011] unlink("./14/binderfs" [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5088] close(9 [pid 5011] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] close(10 [pid 5011] lstat("./14/cgroup", [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5088] close(11 [pid 5011] unlink("./14/cgroup" [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5088] close(12 [pid 5011] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] close(13 [pid 5011] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./14/cgroup.net") = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5088] close(14 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5088] close(15 [pid 5011] <... close resumed>) = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./14" [pid 5088] close(16 [pid 5011] <... rmdir resumed>) = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] mkdir("./15", 0777 [pid 5088] close(17 [pid 5011] <... mkdir resumed>) = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5088] close(18) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 18 [pid 5089] set_robust_list(0x5555560346e0, 24 [pid 5088] close(19) = -1 EBADF (Bad file descriptor) [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] close(20) = -1 EBADF (Bad file descriptor) [pid 5088] close(21 [pid 5089] chdir("./15" [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... chdir resumed>) = 0 [pid 5088] close(22) = -1 EBADF (Bad file descriptor) [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] close(23) = -1 EBADF (Bad file descriptor) [pid 5088] close(24) = -1 EBADF (Bad file descriptor) [pid 5088] close(25 [pid 5089] <... prctl resumed>) = 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5088] close(26 [pid 5089] setpgid(0, 0 [pid 5088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] <... setpgid resumed>) = 0 [pid 5088] close(27) = -1 EBADF (Bad file descriptor) [pid 5089] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5088] close(28) = -1 EBADF (Bad file descriptor) [pid 5088] close(29) = -1 EBADF (Bad file descriptor) [pid 5089] <... symlink resumed>) = 0 [pid 5088] exit_group(0) = ? [pid 5089] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5088] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5089] <... symlink resumed>) = 0 [pid 5089] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, [pid 5089] <... symlink resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] getdents64(3, [pid 5089] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] write(3, "1000", 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... write resumed>) = 4 [pid 5008] lstat("./14/cgroup.cpu", [pid 5089] close(3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5089] <... close resumed>) = 0 [pid 5008] unlink("./14/cgroup.cpu" [pid 5089] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5089] <... openat resumed>) = 3 [pid 5008] unlink("./14/binderfs" [pid 5089] setns(201, 0 [pid 5008] <... unlink resumed>) = 0 [pid 5089] <... setns resumed>) = 0 [pid 5008] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... socket resumed>) = 4 [pid 5008] lstat("./14/cgroup", [pid 5089] setns(3, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5089] <... setns resumed>) = 0 [pid 5008] unlink("./14/cgroup" [pid 5089] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5089] <... close resumed>) = 0 [pid 5008] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] lstat("./14/cgroup.net", [pid 5089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./14/cgroup.net" [pid 5089] <... bpf resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] getdents64(3, [pid 5089] <... bpf resumed>) = 5 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5089] close(3 [pid 5008] close(3 [pid 5089] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5089] close(4 [pid 5008] rmdir("./14" [pid 5089] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5089] close(5 [pid 5008] mkdir("./15", 0777 [pid 5089] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5089] close(6 [ 57.505489][ T5017] Bluetooth: hci5: command 0x0409 tx timeout [ 57.505585][ T5021] Bluetooth: hci4: command 0x0409 tx timeout [ 57.511902][ T5017] Bluetooth: hci0: command 0x0409 tx timeout [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] set_robust_list(0x5555560346e0, 24 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 18 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] close(7 [pid 5090] chdir("./15" [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... chdir resumed>) = 0 [pid 5089] close(8 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... prctl resumed>) = 0 [pid 5089] close(9 [pid 5090] setpgid(0, 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... setpgid resumed>) = 0 [pid 5089] close(10 [pid 5090] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... symlink resumed>) = 0 [pid 5089] close(11 [pid 5090] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... symlink resumed>) = 0 [pid 5089] close(12 [pid 5090] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(13) = -1 EBADF (Bad file descriptor) [pid 5090] <... symlink resumed>) = 0 [pid 5089] close(14 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(15 [pid 5090] <... openat resumed>) = 3 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] write(3, "1000", 4 [pid 5089] close(16 [pid 5090] <... write resumed>) = 4 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] close(3 [pid 5089] close(17 [pid 5090] <... close resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] symlink("/dev/binderfs", "./binderfs" [pid 5089] close(18) = -1 EBADF (Bad file descriptor) [pid 5089] close(19 [pid 5090] <... symlink resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5089] close(20 [pid 5090] <... openat resumed>) = 3 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(21 [pid 5090] setns(201, 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... setns resumed>) = 0 [pid 5089] close(22 [pid 5090] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... socket resumed>) = 4 [pid 5089] close(23) = -1 EBADF (Bad file descriptor) [pid 5090] setns(3, 0 [pid 5089] close(24) = -1 EBADF (Bad file descriptor) [pid 5090] <... setns resumed>) = 0 [pid 5089] close(25) = -1 EBADF (Bad file descriptor) [pid 5090] close(3 [pid 5089] close(26 [pid 5090] <... close resumed>) = 0 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(27 [pid 5090] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5089] close(28 [pid 5090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5089] close(29) = -1 EBADF (Bad file descriptor) [pid 5089] exit_group(0) = ? [pid 5090] <... bpf resumed>) = 3 [pid 5089] +++ exited with 0 +++ [pid 5090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./15/cgroup.cpu") = 0 [pid 5011] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./15/binderfs") = 0 [pid 5011] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5011] unlink("./15/cgroup" [pid 5090] <... bpf resumed>) = 5 [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5090] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./15/cgroup.net", [pid 5090] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./15/cgroup.net" [pid 5090] close(4 [pid 5011] <... unlink resumed>) = 0 [pid 5011] getdents64(3, [pid 5090] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] close(3 [pid 5090] close(5 [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./15" [pid 5090] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./16", 0777 [pid 5090] close(6 [pid 5011] <... mkdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 19 [pid 5090] close(7 [pid 5091] set_robust_list(0x5555560346e0, 24 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] close(8) = -1 EBADF (Bad file descriptor) [pid 5091] chdir("./16" [pid 5090] close(9 [pid 5091] <... chdir resumed>) = 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] close(10) = -1 EBADF (Bad file descriptor) [pid 5091] <... prctl resumed>) = 0 [pid 5090] close(11 [pid 5091] setpgid(0, 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... setpgid resumed>) = 0 [pid 5090] close(12) = -1 EBADF (Bad file descriptor) [pid 5091] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5090] close(13) = -1 EBADF (Bad file descriptor) [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(14) = -1 EBADF (Bad file descriptor) [pid 5091] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5090] close(15) = -1 EBADF (Bad file descriptor) [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(16 [pid 5091] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] close(17 [pid 5091] <... symlink resumed>) = 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] close(18) = -1 EBADF (Bad file descriptor) [pid 5091] <... openat resumed>) = 3 [pid 5090] close(19 [pid 5091] write(3, "1000", 4 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... write resumed>) = 4 [pid 5090] close(20 [pid 5091] close(3 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... close resumed>) = 0 [pid 5090] close(21 [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(22 [pid 5091] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... openat resumed>) = 3 [pid 5090] close(23 [pid 5091] setns(201, 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... setns resumed>) = 0 [pid 5090] close(24 [pid 5091] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... socket resumed>) = 4 [pid 5090] close(25 [pid 5091] setns(3, 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] <... setns resumed>) = 0 [pid 5090] close(26 [pid 5091] close(3 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] close(27 [pid 5091] <... close resumed>) = 0 [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5090] close(28 [pid 5091] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5090] close(29) = -1 EBADF (Bad file descriptor) [pid 5090] exit_group(0) = ? [pid 5090] +++ exited with 0 +++ [pid 5091] <... bpf resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... bpf resumed>) = 5 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] close(3 [pid 5008] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5091] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5091] close(4 [pid 5008] fstat(3, [pid 5091] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5091] close(5 [pid 5008] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./15/cgroup.cpu", [pid 5091] close(6 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./15/cgroup.cpu") = 0 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] close(7 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./15/binderfs", [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5091] close(8 [pid 5008] unlink("./15/binderfs" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5091] close(9 [pid 5008] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] close(10 [pid 5008] lstat("./15/cgroup", [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5091] close(11 [pid 5008] unlink("./15/cgroup" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5091] close(12 [pid 5008] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] close(13 [pid 5008] lstat("./15/cgroup.net", [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5091] close(14 [pid 5008] unlink("./15/cgroup.net" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5091] close(15 [pid 5008] getdents64(3, [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5091] close(16 [pid 5008] close(3 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5091] close(17 [pid 5008] rmdir("./15" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5091] close(18 [pid 5008] mkdir("./16", 0777 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... mkdir resumed>) = 0 [pid 5091] close(19 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] set_robust_list(0x5555560346e0, 24 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 19 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] close(20 [pid 5092] chdir("./16" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... chdir resumed>) = 0 [pid 5091] close(21 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... prctl resumed>) = 0 [pid 5091] close(22 [pid 5092] setpgid(0, 0 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... setpgid resumed>) = 0 [pid 5091] close(23 [pid 5092] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... symlink resumed>) = 0 [pid 5091] close(24 [pid 5092] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... symlink resumed>) = 0 [pid 5091] close(25 [pid 5092] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] <... symlink resumed>) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] close(26) = -1 EBADF (Bad file descriptor) [pid 5091] close(27) = -1 EBADF (Bad file descriptor) [pid 5091] close(28 [pid 5092] <... openat resumed>) = 3 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] write(3, "1000", 4 [pid 5091] close(29 [pid 5092] <... write resumed>) = 4 [pid 5091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] close(3 [pid 5091] exit_group(0 [pid 5092] <... close resumed>) = 0 [pid 5091] <... exit_group resumed>) = ? [pid 5092] symlink("/dev/binderfs", "./binderfs" [pid 5091] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5092] <... symlink resumed>) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5011] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] setns(201, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... setns resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5092] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5011] <... openat resumed>) = 3 [pid 5092] <... socket resumed>) = 4 [pid 5011] fstat(3, [pid 5092] setns(3, 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5092] <... setns resumed>) = 0 [pid 5011] getdents64(3, [pid 5092] close(3 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5092] <... close resumed>) = 0 [pid 5011] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] lstat("./16/cgroup.cpu", [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5092] <... bpf resumed>) = 3 [pid 5011] unlink("./16/cgroup.cpu" [pid 5092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] <... unlink resumed>) = 0 [pid 5092] <... bpf resumed>) = 5 [pid 5011] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... close resumed>) = 0 [pid 5011] lstat("./16/binderfs", [pid 5092] close(4 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5092] <... close resumed>) = 0 [pid 5011] unlink("./16/binderfs" [pid 5092] close(5 [pid 5011] <... unlink resumed>) = 0 [pid 5092] <... close resumed>) = 0 [pid 5011] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] close(6 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./16/cgroup", [pid 5092] close(7 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./16/cgroup" [pid 5092] close(8 [pid 5011] <... unlink resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] close(9 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./16/cgroup.net", [pid 5092] close(10 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./16/cgroup.net" [pid 5092] close(11 [pid 5011] <... unlink resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5092] close(12 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5092] close(13 [pid 5011] <... close resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./16" [pid 5092] close(14 [pid 5011] <... rmdir resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] mkdir("./17", 0777 [pid 5092] close(15 [pid 5011] <... mkdir resumed>) = 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached [pid 5092] close(16 [pid 5093] set_robust_list(0x5555560346e0, 24 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 20 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] close(17 [pid 5093] chdir("./17" [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... chdir resumed>) = 0 [pid 5092] close(18 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... prctl resumed>) = 0 [pid 5092] close(19 [pid 5093] setpgid(0, 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... setpgid resumed>) = 0 [pid 5092] close(20 [pid 5093] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... symlink resumed>) = 0 [pid 5092] close(21 [pid 5093] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... symlink resumed>) = 0 [pid 5092] close(22 [pid 5093] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... symlink resumed>) = 0 [pid 5092] close(23 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... openat resumed>) = 3 [pid 5092] close(24 [pid 5093] write(3, "1000", 4 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... write resumed>) = 4 [pid 5092] close(25 [pid 5093] close(3 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... close resumed>) = 0 [pid 5092] close(26 [pid 5093] symlink("/dev/binderfs", "./binderfs" [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... symlink resumed>) = 0 [pid 5092] close(27 [pid 5093] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... openat resumed>) = 3 [pid 5092] close(28 [pid 5093] setns(201, 0 [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... setns resumed>) = 0 [pid 5092] close(29 [pid 5093] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] <... socket resumed>) = 4 [pid 5092] exit_group(0 [pid 5093] setns(3, 0 [pid 5092] <... exit_group resumed>) = ? [pid 5093] <... setns resumed>) = 0 [pid 5092] +++ exited with 0 +++ [pid 5093] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5093] <... close resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5093] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5093] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... bpf resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5093] <... bpf resumed>) = 5 [pid 5008] <... openat resumed>) = 3 [pid 5093] close(3 [pid 5008] fstat(3, [pid 5093] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5093] close(4 [pid 5008] getdents64(3, [pid 5093] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5093] close(5 [pid 5008] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] close(6 [pid 5008] lstat("./16/cgroup.cpu", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5093] close(7 [pid 5008] unlink("./16/cgroup.cpu" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5093] close(8 [pid 5008] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] close(9 [pid 5008] lstat("./16/binderfs", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5093] close(10 [pid 5008] unlink("./16/binderfs" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5093] close(11 [pid 5008] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] close(12 [pid 5008] lstat("./16/cgroup", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5093] close(13 [pid 5008] unlink("./16/cgroup" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5093] close(14 [pid 5008] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5093] close(15 [pid 5008] lstat("./16/cgroup.net", [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5093] close(16 [pid 5008] unlink("./16/cgroup.net" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5093] close(17 [pid 5008] getdents64(3, [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5093] close(18 [pid 5008] close(3 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5093] close(19 [pid 5008] rmdir("./16" [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5093] close(20 [pid 5008] mkdir("./17", 0777 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... mkdir resumed>) = 0 [pid 5093] close(21 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] set_robust_list(0x5555560346e0, 24 [pid 5093] close(22 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 20 [pid 5094] chdir("./17" [pid 5093] close(23 [pid 5094] <... chdir resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] close(24 [pid 5094] <... prctl resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] setpgid(0, 0 [pid 5093] close(25 [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5093] close(26 [pid 5094] <... symlink resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5093] close(27 [pid 5094] <... symlink resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5093] close(28 [pid 5094] <... symlink resumed>) = 0 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] close(29 [pid 5094] <... openat resumed>) = 3 [pid 5093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5094] write(3, "1000", 4 [pid 5093] exit_group(0 [pid 5094] <... write resumed>) = 4 [pid 5093] <... exit_group resumed>) = ? [pid 5094] close(3 [pid 5093] +++ exited with 0 +++ [pid 5094] <... close resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 5011] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5094] <... symlink resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5094] setns(201, 0 [pid 5011] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... setns resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5011] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5094] <... socket resumed>) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5094] setns(3, 0 [pid 5011] fstat(3, [pid 5094] <... setns resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5094] close(3 [pid 5011] getdents64(3, [pid 5094] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5094] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] lstat("./17/cgroup.cpu", [pid 5094] <... bpf resumed>) = 3 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] unlink("./17/cgroup.cpu" [pid 5094] <... bpf resumed>) = 5 [pid 5011] <... unlink resumed>) = 0 [pid 5094] close(3 [pid 5011] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] close(4 [pid 5011] lstat("./17/binderfs", [pid 5094] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5094] close(5 [pid 5011] unlink("./17/binderfs" [pid 5094] <... close resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5094] close(6 [pid 5011] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] close(7 [pid 5011] lstat("./17/cgroup", [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5094] close(8 [pid 5011] unlink("./17/cgroup" [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5094] close(9 [pid 5011] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] close(10 [pid 5011] lstat("./17/cgroup.net", [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5094] close(11 [pid 5011] unlink("./17/cgroup.net" [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5094] close(12 [pid 5011] getdents64(3, [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5094] close(13 [pid 5011] close(3 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5094] close(14 [pid 5011] rmdir("./17" [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5094] close(15 [pid 5011] mkdir("./18", 0777 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5094] close(16 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] set_robust_list(0x5555560346e0, 24 [pid 5094] close(17 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 21 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] chdir("./18" [pid 5094] close(18 [pid 5095] <... chdir resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] close(19 [pid 5095] <... prctl resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] setpgid(0, 0 [pid 5094] close(20 [pid 5095] <... setpgid resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5094] close(21 [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5094] close(22 [pid 5095] <... symlink resumed>) = 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5094] close(23 [pid 5095] <... symlink resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... openat resumed>) = 3 [pid 5094] close(24 [pid 5095] write(3, "1000", 4 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... write resumed>) = 4 [pid 5094] close(25 [pid 5095] close(3 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... close resumed>) = 0 [pid 5094] close(26 [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... symlink resumed>) = 0 [pid 5094] close(27 [pid 5095] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... openat resumed>) = 3 [pid 5094] close(28 [pid 5095] setns(201, 0 [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... setns resumed>) = 0 [pid 5094] close(29 [pid 5095] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] <... socket resumed>) = 4 [pid 5094] exit_group(0 [pid 5095] setns(3, 0 [pid 5094] <... exit_group resumed>) = ? [pid 5095] <... setns resumed>) = 0 [pid 5094] +++ exited with 0 +++ [pid 5095] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... close resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5095] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5095] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] <... bpf resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5095] <... bpf resumed>) = 5 [pid 5008] <... openat resumed>) = 3 [pid 5095] close(3 [pid 5008] fstat(3, [pid 5095] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5095] close(4 [pid 5008] getdents64(3, [pid 5095] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5095] close(5 [pid 5008] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] close(6 [pid 5008] lstat("./17/cgroup.cpu", [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5095] close(7 [pid 5008] unlink("./17/cgroup.cpu" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5095] close(8 [pid 5008] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] close(9 [pid 5008] lstat("./17/binderfs", [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5095] close(10 [pid 5008] unlink("./17/binderfs" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5095] close(11 [pid 5008] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] close(12 [pid 5008] lstat("./17/cgroup", [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5095] close(13 [pid 5008] unlink("./17/cgroup" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5095] close(14 [pid 5008] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] close(15 [pid 5008] lstat("./17/cgroup.net", [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5095] close(16 [pid 5008] unlink("./17/cgroup.net" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5095] close(17 [pid 5008] getdents64(3, [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5095] close(18 [pid 5008] close(3 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5095] close(19 [pid 5008] rmdir("./17" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5095] close(20 [pid 5008] mkdir("./18", 0777 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... mkdir resumed>) = 0 [pid 5095] close(21 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5096 attached [pid 5095] close(22 [pid 5096] set_robust_list(0x5555560346e0, 24 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... set_robust_list resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 21 [pid 5095] close(23 [pid 5096] chdir("./18" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... chdir resumed>) = 0 [pid 5095] close(24 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... prctl resumed>) = 0 [pid 5095] close(25 [pid 5096] setpgid(0, 0 [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... setpgid resumed>) = 0 [pid 5095] close(26 [pid 5096] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... symlink resumed>) = 0 [pid 5095] close(27 [pid 5096] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... symlink resumed>) = 0 [pid 5095] close(28 [pid 5096] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... symlink resumed>) = 0 [pid 5095] close(29 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... openat resumed>) = 3 [pid 5096] write(3, "1000", 4 [pid 5095] exit_group(0 [pid 5096] <... write resumed>) = 4 [pid 5095] <... exit_group resumed>) = ? [pid 5096] close(3 [pid 5095] +++ exited with 0 +++ [pid 5096] <... close resumed>) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5096] <... symlink resumed>) = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5096] setns(201, 0 [pid 5011] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] <... setns resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5011] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5096] <... socket resumed>) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5096] setns(3, 0 [pid 5011] fstat(3, [pid 5096] <... setns resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5096] close(3 [pid 5011] getdents64(3, [pid 5096] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] lstat("./18/cgroup.cpu", [pid 5096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./18/cgroup.cpu") = 0 [pid 5096] <... bpf resumed>) = 3 [pid 5011] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./18/binderfs", [pid 5096] <... bpf resumed>) = 5 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5096] close(3 [pid 5011] unlink("./18/binderfs" [pid 5096] <... close resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5096] close(4 [pid 5011] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] close(5 [pid 5011] lstat("./18/cgroup", [pid 5096] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5096] close(6 [pid 5011] unlink("./18/cgroup" [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5096] close(7 [pid 5011] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./18/cgroup.net" [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5096] close(8 [pid 5011] getdents64(3, [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5096] close(9 [pid 5011] close(3 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5096] close(10 [pid 5011] rmdir("./18" [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5096] close(11 [pid 5011] mkdir("./19", 0777 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5096] close(12 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5097 attached [pid 5096] close(13 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 22 [pid 5097] set_robust_list(0x5555560346e0, 24 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] close(14 [pid 5097] chdir("./19" [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... chdir resumed>) = 0 [pid 5096] close(15 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] setpgid(0, 0 [pid 5096] close(16 [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5096] close(17 [pid 5097] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5096] close(18 [pid 5097] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5096] close(19 [pid 5097] <... symlink resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] close(20 [pid 5097] <... openat resumed>) = 3 [pid 5097] write(3, "1000", 4 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... write resumed>) = 4 [pid 5096] close(21 [pid 5097] close(3 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = 0 [pid 5096] close(22 [pid 5097] symlink("/dev/binderfs", "./binderfs" [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... symlink resumed>) = 0 [pid 5096] close(23 [pid 5097] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... openat resumed>) = 3 [pid 5096] close(24 [pid 5097] setns(201, 0) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5096] close(25 [pid 5097] <... socket resumed>) = 4 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] setns(3, 0 [pid 5096] close(26 [pid 5097] <... setns resumed>) = 0 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(3 [pid 5096] close(27) = -1 EBADF (Bad file descriptor) [pid 5097] <... close resumed>) = 0 [pid 5096] close(28) = -1 EBADF (Bad file descriptor) [pid 5096] close(29 [pid 5097] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5096] exit_group(0 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5096] <... exit_group resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5097] <... bpf resumed>) = 3 [pid 5097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5097] <... bpf resumed>) = 5 [pid 5008] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5097] close(3) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5097] close(4 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5097] <... close resumed>) = 0 [pid 5097] close(5 [pid 5008] getdents64(3, [pid 5097] <... close resumed>) = 0 [pid 5097] close(6 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(7 [pid 5008] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(8 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./18/cgroup.cpu", [pid 5097] close(9) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5097] close(10 [pid 5008] unlink("./18/cgroup.cpu" [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5097] close(11 [pid 5008] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(12 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./18/binderfs", [pid 5097] close(13 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./18/binderfs" [pid 5097] close(14 [pid 5008] <... unlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] close(15 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./18/cgroup", [pid 5097] close(16 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./18/cgroup" [pid 5097] close(17 [pid 5008] <... unlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(18 [pid 5008] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] close(19 [pid 5008] lstat("./18/cgroup.net", [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(20 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./18/cgroup.net" [pid 5097] close(21 [pid 5008] <... unlink resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] getdents64(3, [pid 5097] close(22 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] close(3 [pid 5097] close(23 [pid 5008] <... close resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] rmdir("./18" [pid 5097] close(24 [pid 5008] <... rmdir resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] mkdir("./19", 0777 [pid 5097] close(25 [pid 5008] <... mkdir resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached [pid 5097] close(26) = -1 EBADF (Bad file descriptor) [pid 5100] set_robust_list(0x5555560346e0, 24 [pid 5097] close(27 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 22 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] close(28 [pid 5100] chdir("./19" [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... chdir resumed>) = 0 [pid 5097] close(29 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... prctl resumed>) = 0 [pid 5097] exit_group(0 [pid 5100] setpgid(0, 0 [pid 5097] <... exit_group resumed>) = ? [pid 5100] <... setpgid resumed>) = 0 [pid 5097] +++ exited with 0 +++ [pid 5100] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... symlink resumed>) = 0 [pid 5100] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5100] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5100] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5100] write(3, "1000", 4 [pid 5011] fstat(3, [pid 5100] <... write resumed>) = 4 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5100] close(3 [pid 5011] getdents64(3, [pid 5100] <... close resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5100] symlink("/dev/binderfs", "./binderfs" [pid 5011] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./19/cgroup.cpu", [pid 5100] <... symlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5011] unlink("./19/cgroup.cpu" [pid 5100] <... openat resumed>) = 3 [pid 5011] <... unlink resumed>) = 0 [pid 5100] setns(201, 0 [pid 5011] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5100] <... setns resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5011] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./19/binderfs" [pid 5100] <... socket resumed>) = 4 [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5100] setns(3, 0) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] close(3 [pid 5011] lstat("./19/cgroup", [pid 5100] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5100] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] unlink("./19/cgroup" [pid 5100] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] <... unlink resumed>) = 0 [pid 5100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5100] <... bpf resumed>) = 3 [pid 5011] unlink("./19/cgroup.net" [pid 5100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] <... unlink resumed>) = 0 [pid 5011] getdents64(3, [pid 5100] <... bpf resumed>) = 5 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5100] close(3 [pid 5011] close(3 [pid 5100] <... close resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5100] close(4 [pid 5011] rmdir("./19" [pid 5100] <... close resumed>) = 0 [pid 5011] <... rmdir resumed>) = 0 [pid 5100] close(5 [pid 5011] mkdir("./20", 0777 [pid 5100] <... close resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5100] close(6 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 23 [pid 5101] set_robust_list(0x5555560346e0, 24 [pid 5100] close(7 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] chdir("./20" [pid 5100] close(8 [pid 5101] <... chdir resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] close(9 [pid 5101] <... prctl resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] setpgid(0, 0) = 0 [pid 5100] close(10 [pid 5101] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] close(11 [pid 5101] <... symlink resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5100] close(12) = -1 EBADF (Bad file descriptor) [pid 5100] close(13) = -1 EBADF (Bad file descriptor) [pid 5101] <... symlink resumed>) = 0 [pid 5100] close(14 [pid 5101] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] close(15) = -1 EBADF (Bad file descriptor) [pid 5100] close(16 [pid 5101] <... symlink resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] close(17) = -1 EBADF (Bad file descriptor) [pid 5100] close(18) = -1 EBADF (Bad file descriptor) [pid 5100] close(19) = -1 EBADF (Bad file descriptor) [pid 5100] close(20) = -1 EBADF (Bad file descriptor) [pid 5100] close(21) = -1 EBADF (Bad file descriptor) [pid 5100] close(22 [pid 5101] <... openat resumed>) = 3 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] write(3, "1000", 4 [pid 5100] close(23 [pid 5101] <... write resumed>) = 4 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(3 [pid 5100] close(24 [pid 5101] <... close resumed>) = 0 [pid 5100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] symlink("/dev/binderfs", "./binderfs" [pid 5100] close(25) = -1 EBADF (Bad file descriptor) [pid 5100] close(26) = -1 EBADF (Bad file descriptor) [pid 5100] close(27) = -1 EBADF (Bad file descriptor) [pid 5100] close(28) = -1 EBADF (Bad file descriptor) [pid 5100] close(29) = -1 EBADF (Bad file descriptor) [pid 5101] <... symlink resumed>) = 0 [pid 5100] exit_group(0 [pid 5101] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5100] <... exit_group resumed>) = ? [pid 5101] <... openat resumed>) = 3 [pid 5100] +++ exited with 0 +++ [pid 5101] setns(201, 0) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5101] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 4 [pid 5101] setns(3, 0) = 0 [pid 5101] close(3 [pid 5008] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5101] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] <... openat resumed>) = 3 [pid 5101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5101] <... bpf resumed>) = 3 [pid 5008] lstat("./19/cgroup.cpu", [pid 5101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./19/cgroup.cpu" [pid 5101] <... bpf resumed>) = 5 [pid 5008] <... unlink resumed>) = 0 [pid 5101] close(3 [pid 5008] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] close(4 [pid 5008] lstat("./19/binderfs", [pid 5101] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5101] close(5 [pid 5008] unlink("./19/binderfs" [pid 5101] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5101] close(6 [pid 5008] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(7 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(8 [pid 5008] lstat("./19/cgroup", [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(9 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./19/cgroup" [pid 5101] close(10) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5101] close(11 [pid 5008] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] close(12 [pid 5008] lstat("./19/cgroup.net", [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(13 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./19/cgroup.net" [pid 5101] close(14) = -1 EBADF (Bad file descriptor) [pid 5101] close(15 [pid 5008] <... unlink resumed>) = 0 [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(16 [pid 5008] getdents64(3, [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(17) = -1 EBADF (Bad file descriptor) [pid 5101] close(18) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5101] close(19) = -1 EBADF (Bad file descriptor) [pid 5101] close(20) = -1 EBADF (Bad file descriptor) [pid 5101] close(21) = -1 EBADF (Bad file descriptor) [pid 5101] close(22) = -1 EBADF (Bad file descriptor) [pid 5101] close(23) = -1 EBADF (Bad file descriptor) [pid 5101] close(24) = -1 EBADF (Bad file descriptor) [pid 5008] close(3 [pid 5101] close(25) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5101] close(26 [pid 5008] rmdir("./19" [pid 5101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] close(27) = -1 EBADF (Bad file descriptor) [pid 5101] close(28) = -1 EBADF (Bad file descriptor) [pid 5101] close(29) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5101] exit_group(0) = ? [pid 5008] mkdir("./20", 0777 [pid 5101] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5011] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./20/cgroup.cpu") = 0 [pid 5011] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./20/binderfs"./strace-static-x86_64: Process 5102 attached ) = 0 [pid 5102] set_robust_list(0x5555560346e0, 24 [pid 5011] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] <... set_robust_list resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] chdir("./20" [pid 5011] lstat("./20/cgroup", [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 23 [pid 5102] <... chdir resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] unlink("./20/cgroup" [pid 5102] <... prctl resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5102] setpgid(0, 0 [pid 5011] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5102] <... setpgid resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5102] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5011] lstat("./20/cgroup.net", [pid 5102] <... symlink resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5102] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5011] unlink("./20/cgroup.net" [pid 5102] <... symlink resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5102] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5011] getdents64(3, [pid 5102] <... symlink resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] close(3 [pid 5102] <... openat resumed>) = 3 [pid 5011] <... close resumed>) = 0 [pid 5102] write(3, "1000", 4 [pid 5011] rmdir("./20" [pid 5102] <... write resumed>) = 4 [pid 5011] <... rmdir resumed>) = 0 [pid 5102] close(3 [pid 5011] mkdir("./21", 0777 [pid 5102] <... close resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5102] symlink("/dev/binderfs", "./binderfs" [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached [pid 5102] <... symlink resumed>) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 24 [pid 5103] set_robust_list(0x5555560346e0, 24 [pid 5102] <... openat resumed>) = 3 [pid 5102] setns(201, 0) = 0 [pid 5102] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 4 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] setns(3, 0) = 0 [pid 5102] close(3) = 0 [pid 5102] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8) = -1 EBUSY (Device or resource busy) [pid 5102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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) = 3 [pid 5102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5103] chdir("./21" [pid 5102] <... bpf resumed>) = 5 [pid 5103] <... chdir resumed>) = 0 [pid 5102] close(3) = 0 [pid 5102] close(4) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] close(5 [pid 5103] <... prctl resumed>) = 0 [pid 5102] <... close resumed>) = 0 [pid 5103] setpgid(0, 0 [pid 5102] close(6 [pid 5103] <... setpgid resumed>) = 0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(7) = -1 EBADF (Bad file descriptor) [pid 5103] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5102] close(8) = -1 EBADF (Bad file descriptor) [pid 5102] close(9) = -1 EBADF (Bad file descriptor) [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(10 [pid 5103] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(11) = -1 EBADF (Bad file descriptor) [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(12 [pid 5103] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(13) = -1 EBADF (Bad file descriptor) [pid 5102] close(14) = -1 EBADF (Bad file descriptor) [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(15 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(16) = -1 EBADF (Bad file descriptor) [pid 5103] <... openat resumed>) = 3 [pid 5102] close(17 [pid 5103] write(3, "1000", 4 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... write resumed>) = 4 [pid 5102] close(18) = -1 EBADF (Bad file descriptor) [pid 5103] close(3 [pid 5102] close(19 [pid 5103] <... close resumed>) = 0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] symlink("/dev/binderfs", "./binderfs" [pid 5102] close(20) = -1 EBADF (Bad file descriptor) [pid 5102] close(21) = -1 EBADF (Bad file descriptor) [pid 5103] <... symlink resumed>) = 0 [pid 5102] close(22 [pid 5103] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(23) = -1 EBADF (Bad file descriptor) [pid 5102] close(24 [pid 5103] <... openat resumed>) = 3 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] close(25) = -1 EBADF (Bad file descriptor) [pid 5103] setns(201, 0 [pid 5102] close(26 [pid 5103] <... setns resumed>) = 0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5102] close(27) = -1 EBADF (Bad file descriptor) [pid 5103] <... socket resumed>) = 4 [pid 5102] close(28 [pid 5103] setns(3, 0 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... setns resumed>) = 0 [pid 5102] close(29 [pid 5103] close(3 [pid 5102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] <... close resumed>) = 0 [pid 5102] exit_group(0) = ? [pid 5103] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5102] +++ exited with 0 +++ [pid 5103] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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) = 3 [pid 5103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16) = 5 [pid 5008] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5103] close(3) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5103] close(4) = 0 [pid 5008] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5103] close(5 [pid 5008] <... openat resumed>) = 3 [pid 5103] <... close resumed>) = 0 [pid 5008] fstat(3, [pid 5103] close(6) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5103] close(7 [pid 5008] getdents64(3, [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(8 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5103] close(9) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5103] close(10 [pid 5008] lstat("./20/cgroup.cpu", [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5103] close(11 [pid 5008] unlink("./20/cgroup.cpu" [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5103] close(12 [pid 5008] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(13 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(14 [pid 5008] lstat("./20/binderfs", [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5103] close(15 [pid 5008] unlink("./20/binderfs" [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5103] close(16 [pid 5008] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5103] close(17) = -1 EBADF (Bad file descriptor) [pid 5008] lstat("./20/cgroup", [pid 5103] close(18) = -1 EBADF (Bad file descriptor) [pid 5103] close(19) = -1 EBADF (Bad file descriptor) [pid 5103] close(20) = -1 EBADF (Bad file descriptor) [pid 5103] close(21 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] close(22) = -1 EBADF (Bad file descriptor) [pid 5103] close(23) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./20/cgroup" [pid 5103] close(24) = -1 EBADF (Bad file descriptor) [pid 5103] close(25) = -1 EBADF (Bad file descriptor) [pid 5103] close(26) = -1 EBADF (Bad file descriptor) [pid 5103] close(27) = -1 EBADF (Bad file descriptor) [pid 5103] close(28) = -1 EBADF (Bad file descriptor) [pid 5103] close(29) = -1 EBADF (Bad file descriptor) [pid 5103] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ [pid 5008] <... unlink resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5008] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] lstat("./20/cgroup.net", [pid 5011] <... openat resumed>) = 3 [pid 5011] fstat(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, [pid 5008] unlink("./20/cgroup.net" [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5011] lstat("./21/cgroup.cpu", [pid 5008] getdents64(3, [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./21/cgroup.cpu" [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./21/binderfs", [pid 5008] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] rmdir("./20" [pid 5011] unlink("./21/binderfs") = 0 [pid 5011] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5011] unlink("./21/cgroup" [pid 5008] <... rmdir resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./21", 0777 [pid 5011] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./21/cgroup.net") = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5011] getdents64(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./21") = 0 [pid 5011] mkdir("./22", 0777./strace-static-x86_64: Process 5104 attached ) = 0 [pid 5104] set_robust_list(0x5555560346e0, 24 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 24 ./strace-static-x86_64: Process 5105 attached [pid 5104] <... set_robust_list resumed>) = 0 [pid 5104] chdir("./21" [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 25 [pid 5105] set_robust_list(0x5555560346e0, 24 [pid 5104] <... chdir resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] <... prctl resumed>) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5105] chdir("./22" [pid 5104] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5105] <... chdir resumed>) = 0 [pid 5104] <... symlink resumed>) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5105] <... prctl resumed>) = 0 [pid 5104] <... symlink resumed>) = 0 [pid 5105] setpgid(0, 0 [pid 5104] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5105] <... setpgid resumed>) = 0 [pid 5104] <... symlink resumed>) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5104] <... openat resumed>) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5105] <... symlink resumed>) = 0 [pid 5104] close(3 [pid 5105] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5104] <... close resumed>) = 0 [pid 5104] symlink("/dev/binderfs", "./binderfs" [pid 5105] <... symlink resumed>) = 0 [pid 5104] <... symlink resumed>) = 0 [pid 5105] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5104] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5105] <... symlink resumed>) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] setns(201, 0) = 0 [pid 5104] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5105] <... openat resumed>) = 3 [pid 5104] <... socket resumed>) = 4 [pid 5105] write(3, "1000", 4 [pid 5104] setns(3, 0 [pid 5105] <... write resumed>) = 4 [pid 5104] <... setns resumed>) = 0 [pid 5105] close(3 [pid 5104] close(3 [pid 5105] <... close resumed>) = 0 [pid 5104] <... close resumed>) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs" [pid 5104] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8) = -1 EBUSY (Device or resource busy) [pid 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5105] <... symlink resumed>) = 0 [pid 5104] <... bpf resumed>) = 3 [pid 5105] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16) = 5 [pid 5104] close(3 [pid 5105] <... openat resumed>) = 3 [pid 5104] <... close resumed>) = 0 [pid 5105] setns(201, 0) = 0 [pid 5104] close(4 [pid 5105] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5104] <... close resumed>) = 0 [pid 5105] <... socket resumed>) = 4 [pid 5104] close(5 [pid 5105] setns(3, 0 [pid 5104] <... close resumed>) = 0 [pid 5105] <... setns resumed>) = 0 [pid 5104] close(6 [pid 5105] close(3 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(7 [pid 5105] <... close resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(8) = -1 EBADF (Bad file descriptor) [pid 5105] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5104] close(9 [pid 5105] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5104] close(10) = -1 EBADF (Bad file descriptor) [pid 5104] close(11) = -1 EBADF (Bad file descriptor) [pid 5105] <... bpf resumed>) = 3 [pid 5104] close(12 [pid 5105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(13) = -1 EBADF (Bad file descriptor) [pid 5104] close(14) = -1 EBADF (Bad file descriptor) [pid 5104] close(15) = -1 EBADF (Bad file descriptor) [pid 5104] close(16) = -1 EBADF (Bad file descriptor) [pid 5104] close(17) = -1 EBADF (Bad file descriptor) [pid 5104] close(18) = -1 EBADF (Bad file descriptor) [pid 5104] close(19) = -1 EBADF (Bad file descriptor) [pid 5104] close(20) = -1 EBADF (Bad file descriptor) [pid 5104] close(21 [pid 5105] <... bpf resumed>) = 5 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(3 [pid 5104] close(22 [pid 5105] <... close resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(4 [pid 5104] close(23) = -1 EBADF (Bad file descriptor) [pid 5104] close(24 [pid 5105] <... close resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(5 [pid 5104] close(25) = -1 EBADF (Bad file descriptor) [pid 5104] close(26 [pid 5105] <... close resumed>) = 0 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(6) = -1 EBADF (Bad file descriptor) [pid 5104] close(27 [pid 5105] close(7 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(28 [pid 5105] close(8 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] close(29 [pid 5105] close(9 [pid 5104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] exit_group(0 [pid 5105] close(10 [pid 5104] <... exit_group resumed>) = ? [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] +++ exited with 0 +++ [pid 5105] close(11) = -1 EBADF (Bad file descriptor) [pid 5105] close(12 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5105] close(13) = -1 EBADF (Bad file descriptor) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5105] close(14 [pid 5008] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(15 [pid 5008] <... openat resumed>) = 3 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(16 [pid 5008] fstat(3, [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5105] close(17 [pid 5008] getdents64(3, [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(18 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(19 [pid 5008] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(20) = -1 EBADF (Bad file descriptor) [pid 5105] close(21 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(22) = -1 EBADF (Bad file descriptor) [pid 5105] close(23) = -1 EBADF (Bad file descriptor) [pid 5105] close(24) = -1 EBADF (Bad file descriptor) [pid 5105] close(25) = -1 EBADF (Bad file descriptor) [pid 5105] close(26) = -1 EBADF (Bad file descriptor) [pid 5105] close(27 [pid 5008] lstat("./21/cgroup.cpu", [pid 5105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] close(28) = -1 EBADF (Bad file descriptor) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5105] close(29) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./21/cgroup.cpu" [pid 5105] exit_group(0) = ? [pid 5105] +++ exited with 0 +++ [pid 5008] <... unlink resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./21/binderfs", [pid 5011] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] unlink("./21/binderfs" [pid 5011] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5011] lstat("./22/cgroup.cpu", [pid 5008] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./22/cgroup.cpu" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./21/cgroup", [pid 5011] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5011] unlink("./22/binderfs" [pid 5008] unlink("./21/cgroup" [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5011] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] unlink("./22/cgroup") = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./21/cgroup.net", [pid 5011] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./22/cgroup.net" [pid 5008] unlink("./21/cgroup.net" [pid 5011] <... unlink resumed>) = 0 [pid 5011] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5011] rmdir("./22" [pid 5008] getdents64(3, [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./23", 0777 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 5106 attached [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 26 [pid 5008] rmdir("./21" [pid 5106] set_robust_list(0x5555560346e0, 24) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5106] chdir("./23" [pid 5008] mkdir("./22", 0777 [pid 5106] <... chdir resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... mkdir resumed>) = 0 [pid 5106] <... prctl resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] setpgid(0, 0) = 0 [pid 5106] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5106] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu"./strace-static-x86_64: Process 5107 attached ) = 0 [pid 5106] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 25 [pid 5107] set_robust_list(0x5555560346e0, 24 [pid 5106] <... symlink resumed>) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... openat resumed>) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5107] chdir("./22" [pid 5106] close(3 [pid 5107] <... chdir resumed>) = 0 [pid 5106] <... close resumed>) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] symlink("/dev/binderfs", "./binderfs" [pid 5107] <... prctl resumed>) = 0 [pid 5106] <... symlink resumed>) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5107] setpgid(0, 0) = 0 [pid 5106] <... openat resumed>) = 3 [pid 5106] setns(201, 0) = 0 [pid 5107] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5106] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 4 [pid 5107] <... symlink resumed>) = 0 [pid 5106] setns(3, 0 [pid 5107] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5106] <... setns resumed>) = 0 [pid 5106] close(3) = 0 [pid 5107] <... symlink resumed>) = 0 [pid 5106] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5107] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5106] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5107] <... symlink resumed>) = 0 [pid 5106] <... bpf resumed>) = 3 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16) = 5 [pid 5107] <... openat resumed>) = 3 [pid 5106] close(3 [pid 5107] write(3, "1000", 4 [pid 5106] <... close resumed>) = 0 [pid 5107] <... write resumed>) = 4 [pid 5106] close(4 [pid 5107] close(3 [pid 5106] <... close resumed>) = 0 [pid 5107] <... close resumed>) = 0 [pid 5106] close(5 [pid 5107] symlink("/dev/binderfs", "./binderfs" [pid 5106] <... close resumed>) = 0 [pid 5106] close(6) = -1 EBADF (Bad file descriptor) [pid 5106] close(7) = -1 EBADF (Bad file descriptor) [pid 5107] <... symlink resumed>) = 0 [pid 5106] close(8 [pid 5107] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... openat resumed>) = 3 [pid 5106] close(9 [pid 5107] setns(201, 0 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... setns resumed>) = 0 [pid 5106] close(10) = -1 EBADF (Bad file descriptor) [pid 5106] close(11) = -1 EBADF (Bad file descriptor) [pid 5106] close(12) = -1 EBADF (Bad file descriptor) [pid 5106] close(13) = -1 EBADF (Bad file descriptor) [pid 5106] close(14) = -1 EBADF (Bad file descriptor) [pid 5106] close(15) = -1 EBADF (Bad file descriptor) [pid 5106] close(16) = -1 EBADF (Bad file descriptor) [pid 5106] close(17) = -1 EBADF (Bad file descriptor) [pid 5106] close(18) = -1 EBADF (Bad file descriptor) [pid 5106] close(19) = -1 EBADF (Bad file descriptor) [pid 5106] close(20) = -1 EBADF (Bad file descriptor) [pid 5106] close(21 [pid 5107] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] close(22 [pid 5107] <... socket resumed>) = 4 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] close(23 [pid 5107] setns(3, 0 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... setns resumed>) = 0 [pid 5106] close(24 [pid 5107] close(3 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... close resumed>) = 0 [pid 5106] close(25 [pid 5107] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5106] close(26 [pid 5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] <... bpf resumed>) = 3 [pid 5106] close(27 [pid 5107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] close(28 [pid 5107] <... bpf resumed>) = 5 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] close(29 [pid 5107] close(3 [pid 5106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5106] exit_group(0 [pid 5107] <... close resumed>) = 0 [pid 5106] <... exit_group resumed>) = ? [pid 5107] close(4 [pid 5106] +++ exited with 0 +++ [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5107] <... close resumed>) = 0 [pid 5107] close(5 [pid 5011] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] close(6 [pid 5011] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(7 [pid 5011] <... openat resumed>) = 3 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5107] close(8 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(9 [pid 5011] getdents64(3, [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(10 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(11 [pid 5011] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] close(12 [pid 5011] lstat("./23/cgroup.cpu", [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5107] close(13 [pid 5011] unlink("./23/cgroup.cpu" [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5107] close(14) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] close(15 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./23/binderfs", [pid 5107] close(16) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5107] close(17 [pid 5011] unlink("./23/binderfs" [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5107] close(18) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] close(19) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] close(20 [pid 5011] lstat("./23/cgroup", [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(21 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./23/cgroup" [pid 5107] close(22) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5107] close(23 [pid 5011] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] close(24 [pid 5011] lstat("./23/cgroup.net", [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(25 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./23/cgroup.net" [pid 5107] close(26) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5107] close(27 [pid 5011] getdents64(3, [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] close(28 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5107] close(29 [pid 5011] <... close resumed>) = 0 [pid 5107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./23" [pid 5107] exit_group(0) = ? [pid 5011] <... rmdir resumed>) = 0 [pid 5107] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5011] mkdir("./24", 0777) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached , child_tidptr=0x5555560346d0) = 27 [pid 5108] set_robust_list(0x5555560346e0, 24 [pid 5008] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5108] <... set_robust_list resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5108] chdir("./24" [pid 5008] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5108] <... chdir resumed>) = 0 [pid 5008] lstat("./22/cgroup.cpu", [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./22/cgroup.cpu") = 0 [pid 5008] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5108] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5108] setpgid(0, 0 [pid 5008] lstat("./22/binderfs", [pid 5108] <... setpgid resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./22/binderfs" [pid 5108] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./22/cgroup", [pid 5108] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5108] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] unlink("./22/cgroup" [pid 5108] <... symlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5108] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./22/cgroup.net", [pid 5108] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./22/cgroup.net" [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5108] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5108] write(3, "1000", 4 [pid 5008] <... close resumed>) = 0 [pid 5108] <... write resumed>) = 4 [pid 5008] rmdir("./22" [pid 5108] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5108] <... close resumed>) = 0 [pid 5008] mkdir("./23", 0777 [pid 5108] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached [pid 5108] <... symlink resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 26 [pid 5109] set_robust_list(0x5555560346e0, 24) = 0 [pid 5108] <... openat resumed>) = 3 [pid 5109] chdir("./23" [pid 5108] setns(201, 0 [pid 5109] <... chdir resumed>) = 0 [pid 5108] <... setns resumed>) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5109] <... prctl resumed>) = 0 [pid 5108] <... socket resumed>) = 4 [pid 5109] setpgid(0, 0 [pid 5108] setns(3, 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5108] <... setns resumed>) = 0 [pid 5109] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5108] close(3 [pid 5109] <... symlink resumed>) = 0 [pid 5108] <... close resumed>) = 0 [pid 5109] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5108] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5109] <... symlink resumed>) = 0 [pid 5108] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5109] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5109] <... symlink resumed>) = 0 [pid 5108] <... bpf resumed>) = 3 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5109] <... openat resumed>) = 3 [pid 5108] <... bpf resumed>) = 5 [pid 5109] write(3, "1000", 4 [pid 5108] close(3 [pid 5109] <... write resumed>) = 4 [pid 5108] <... close resumed>) = 0 [pid 5109] close(3 [pid 5108] close(4 [pid 5109] <... close resumed>) = 0 [pid 5108] <... close resumed>) = 0 [pid 5109] symlink("/dev/binderfs", "./binderfs" [pid 5108] close(5) = 0 [pid 5108] close(6 [pid 5109] <... symlink resumed>) = 0 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5108] close(7) = -1 EBADF (Bad file descriptor) [pid 5108] close(8) = -1 EBADF (Bad file descriptor) [pid 5108] close(9) = -1 EBADF (Bad file descriptor) [pid 5108] close(10) = -1 EBADF (Bad file descriptor) [pid 5108] close(11) = -1 EBADF (Bad file descriptor) [pid 5108] close(12) = -1 EBADF (Bad file descriptor) [pid 5108] close(13) = -1 EBADF (Bad file descriptor) [pid 5108] close(14) = -1 EBADF (Bad file descriptor) [pid 5108] close(15) = -1 EBADF (Bad file descriptor) [pid 5108] close(16) = -1 EBADF (Bad file descriptor) [pid 5108] close(17) = -1 EBADF (Bad file descriptor) [pid 5108] close(18) = -1 EBADF (Bad file descriptor) [pid 5108] close(19) = -1 EBADF (Bad file descriptor) [pid 5108] close(20) = -1 EBADF (Bad file descriptor) [pid 5108] close(21) = -1 EBADF (Bad file descriptor) [pid 5109] <... openat resumed>) = 3 [pid 5108] close(22 [pid 5109] setns(201, 0 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... setns resumed>) = 0 [pid 5108] close(23 [pid 5109] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... socket resumed>) = 4 [pid 5108] close(24 [pid 5109] setns(3, 0 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... setns resumed>) = 0 [pid 5108] close(25 [pid 5109] close(3 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... close resumed>) = 0 [pid 5108] close(26 [pid 5109] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5108] close(27 [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... bpf resumed>) = 3 [pid 5108] close(28 [pid 5109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... bpf resumed>) = 5 [pid 5108] close(29 [pid 5109] close(3 [pid 5108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] <... close resumed>) = 0 [pid 5108] exit_group(0 [pid 5109] close(4) = 0 [pid 5108] <... exit_group resumed>) = ? [pid 5109] close(5) = 0 [pid 5109] close(6) = -1 EBADF (Bad file descriptor) [pid 5109] close(7) = -1 EBADF (Bad file descriptor) [pid 5109] close(8) = -1 EBADF (Bad file descriptor) [pid 5109] close(9) = -1 EBADF (Bad file descriptor) [pid 5108] +++ exited with 0 +++ [pid 5109] close(10 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5109] close(11 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5109] close(12) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] close(13 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5109] close(14 [pid 5011] <... openat resumed>) = 3 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] fstat(3, [pid 5109] close(15 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5109] close(16 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] close(17 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./24/cgroup.cpu", [pid 5109] close(18 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./24/cgroup.cpu" [pid 5109] close(19 [pid 5011] <... unlink resumed>) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] close(20 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./24/binderfs", [pid 5109] close(21 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./24/binderfs" [pid 5109] close(22 [pid 5011] <... unlink resumed>) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] close(23 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./24/cgroup", [pid 5109] close(24 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./24/cgroup" [pid 5109] close(25 [pid 5011] <... unlink resumed>) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] close(26 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./24/cgroup.net", [pid 5109] close(27 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./24/cgroup.net" [pid 5109] close(28 [pid 5011] <... unlink resumed>) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5109] close(29 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5109] exit_group(0 [pid 5011] <... close resumed>) = 0 [pid 5109] <... exit_group resumed>) = ? [pid 5011] rmdir("./24" [pid 5109] +++ exited with 0 +++ [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./25", 0777 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] <... mkdir resumed>) = 0 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5110 attached [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 28 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] set_robust_list(0x5555560346e0, 24 [pid 5008] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5110] <... set_robust_list resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5110] chdir("./25" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5110] <... chdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5110] <... prctl resumed>) = 0 [pid 5008] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] setpgid(0, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... setpgid resumed>) = 0 [pid 5008] lstat("./23/cgroup.cpu", [pid 5110] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./23/cgroup.cpu" [pid 5110] <... symlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./23/binderfs", [pid 5110] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5110] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] unlink("./23/binderfs" [pid 5110] <... symlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] write(3, "1000", 4 [pid 5008] lstat("./23/cgroup", [pid 5110] <... write resumed>) = 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5110] close(3 [pid 5008] unlink("./23/cgroup" [pid 5110] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5110] <... symlink resumed>) = 0 [pid 5008] lstat("./23/cgroup.net", [pid 5110] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./23/cgroup.net" [pid 5110] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5110] setns(201, 0 [pid 5008] getdents64(3, [pid 5110] <... setns resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5110] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] close(3 [pid 5110] <... socket resumed>) = 4 [pid 5008] <... close resumed>) = 0 [pid 5110] setns(3, 0 [pid 5008] rmdir("./23" [pid 5110] <... setns resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5110] close(3 [pid 5008] mkdir("./24", 0777 [pid 5110] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5110] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5110] <... connect resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5111 attached [pid 5110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 27 [pid 5111] set_robust_list(0x5555560346e0, 24) = 0 [pid 5110] <... bpf resumed>) = 3 [pid 5111] chdir("./24" [pid 5110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5111] <... chdir resumed>) = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] <... bpf resumed>) = 5 [pid 5111] <... prctl resumed>) = 0 [pid 5111] setpgid(0, 0 [pid 5110] close(3 [pid 5111] <... setpgid resumed>) = 0 [pid 5110] <... close resumed>) = 0 [pid 5111] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5110] close(4 [pid 5111] <... symlink resumed>) = 0 [pid 5111] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5110] <... close resumed>) = 0 [pid 5110] close(5 [pid 5111] <... symlink resumed>) = 0 [pid 5110] <... close resumed>) = 0 [pid 5111] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5110] close(6) = -1 EBADF (Bad file descriptor) [pid 5110] close(7) = -1 EBADF (Bad file descriptor) [pid 5110] close(8 [pid 5111] <... symlink resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] close(9) = -1 EBADF (Bad file descriptor) [pid 5111] <... openat resumed>) = 3 [pid 5110] close(10 [pid 5111] write(3, "1000", 4 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] <... write resumed>) = 4 [pid 5110] close(11 [pid 5111] close(3 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] <... close resumed>) = 0 [pid 5110] close(12 [pid 5111] symlink("/dev/binderfs", "./binderfs" [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] close(13) = -1 EBADF (Bad file descriptor) [pid 5110] close(14) = -1 EBADF (Bad file descriptor) [pid 5110] close(15) = -1 EBADF (Bad file descriptor) [pid 5110] close(16) = -1 EBADF (Bad file descriptor) [pid 5111] <... symlink resumed>) = 0 [pid 5110] close(17) = -1 EBADF (Bad file descriptor) [pid 5111] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5110] close(18) = -1 EBADF (Bad file descriptor) [pid 5110] close(19) = -1 EBADF (Bad file descriptor) [pid 5110] close(20) = -1 EBADF (Bad file descriptor) [pid 5110] close(21) = -1 EBADF (Bad file descriptor) [pid 5110] close(22) = -1 EBADF (Bad file descriptor) [pid 5110] close(23) = -1 EBADF (Bad file descriptor) [pid 5111] <... openat resumed>) = 3 [pid 5110] close(24) = -1 EBADF (Bad file descriptor) [pid 5110] close(25 [pid 5111] setns(201, 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] close(26 [pid 5111] <... setns resumed>) = 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5110] close(27) = -1 EBADF (Bad file descriptor) [pid 5110] close(28 [pid 5111] <... socket resumed>) = 4 [pid 5111] setns(3, 0 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] <... setns resumed>) = 0 [pid 5110] close(29 [pid 5111] close(3 [pid 5110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] <... close resumed>) = 0 [pid 5110] exit_group(0 [pid 5111] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5110] <... exit_group resumed>) = ? [pid 5111] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5110] +++ exited with 0 +++ [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... bpf resumed>) = 3 [pid 5111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5111] <... bpf resumed>) = 5 [pid 5011] fstat(3, [pid 5111] close(3 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5111] <... close resumed>) = 0 [pid 5111] close(4 [pid 5011] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5111] <... close resumed>) = 0 [pid 5011] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] close(5 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5111] <... close resumed>) = 0 [pid 5111] close(6 [pid 5011] unlink("./25/cgroup.cpu" [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5111] close(7) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] close(8 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./25/binderfs", [pid 5111] close(9) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5111] close(10 [pid 5011] unlink("./25/binderfs" [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5111] close(11 [pid 5011] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(12) = -1 EBADF (Bad file descriptor) [pid 5111] close(13 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(14 [pid 5011] lstat("./25/cgroup", [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(15 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(16 [pid 5011] unlink("./25/cgroup" [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(17) = -1 EBADF (Bad file descriptor) [pid 5111] close(18) = -1 EBADF (Bad file descriptor) [pid 5111] close(19) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5111] close(20 [pid 5011] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(21 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./25/cgroup.net", [pid 5111] close(22) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5111] close(23 [pid 5011] unlink("./25/cgroup.net" [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(24) = -1 EBADF (Bad file descriptor) [pid 5111] close(25) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5111] close(26 [pid 5011] getdents64(3, [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(27 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(28 [pid 5011] close(3 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] close(29 [pid 5011] <... close resumed>) = 0 [pid 5111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./25" [pid 5111] exit_group(0) = ? [pid 5111] +++ exited with 0 +++ [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./26", 0777 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5011] <... mkdir resumed>) = 0 [pid 5008] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5112 attached [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 29 [pid 5008] getdents64(3, [pid 5112] set_robust_list(0x5555560346e0, 24 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5008] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] chdir("./26" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./24/cgroup.cpu" [pid 5112] <... chdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./24/binderfs", [pid 5112] setpgid(0, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5112] <... setpgid resumed>) = 0 [pid 5008] unlink("./24/binderfs" [pid 5112] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5112] <... symlink resumed>) = 0 [pid 5008] lstat("./24/cgroup", [pid 5112] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] unlink("./24/cgroup" [pid 5112] <... symlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5112] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5112] <... symlink resumed>) = 0 [pid 5008] lstat("./24/cgroup.net", [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./24/cgroup.net" [pid 5112] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5112] write(3, "1000", 4 [pid 5008] getdents64(3, [pid 5112] <... write resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5112] close(3 [pid 5008] close(3 [pid 5112] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs" [pid 5008] rmdir("./24" [pid 5112] <... symlink resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] mkdir("./25", 0777 [pid 5112] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 5112] setns(201, 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached [pid 5112] <... setns resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 28 [pid 5113] set_robust_list(0x5555560346e0, 24 [pid 5112] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] <... socket resumed>) = 4 [pid 5113] chdir("./25" [pid 5112] setns(3, 0 [pid 5113] <... chdir resumed>) = 0 [pid 5112] <... setns resumed>) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] close(3 [pid 5113] <... prctl resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5113] setpgid(0, 0 [pid 5112] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5113] <... setpgid resumed>) = 0 [pid 5112] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5113] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5113] <... symlink resumed>) = 0 [pid 5113] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5112] <... bpf resumed>) = 3 [pid 5113] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5113] <... symlink resumed>) = 0 [pid 5112] <... bpf resumed>) = 5 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] close(3) = 0 [pid 5112] close(4 [pid 5113] <... openat resumed>) = 3 [pid 5112] <... close resumed>) = 0 [pid 5112] close(5 [pid 5113] write(3, "1000", 4 [pid 5112] <... close resumed>) = 0 [pid 5113] <... write resumed>) = 4 [pid 5112] close(6 [pid 5113] close(3 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = 0 [pid 5112] close(7 [pid 5113] symlink("/dev/binderfs", "./binderfs" [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(8) = -1 EBADF (Bad file descriptor) [pid 5113] <... symlink resumed>) = 0 [pid 5112] close(9 [pid 5113] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(10) = -1 EBADF (Bad file descriptor) [pid 5112] close(11) = -1 EBADF (Bad file descriptor) [pid 5113] <... openat resumed>) = 3 [pid 5112] close(12 [pid 5113] setns(201, 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... setns resumed>) = 0 [pid 5112] close(13 [pid 5113] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(14 [pid 5113] <... socket resumed>) = 4 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] setns(3, 0 [pid 5112] close(15 [pid 5113] <... setns resumed>) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(3 [pid 5112] close(16 [pid 5113] <... close resumed>) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5112] close(17 [pid 5113] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5112] close(18) = -1 EBADF (Bad file descriptor) [pid 5112] close(19) = -1 EBADF (Bad file descriptor) [pid 5112] close(20) = -1 EBADF (Bad file descriptor) [pid 5113] <... bpf resumed>) = 3 [pid 5112] close(21 [pid 5113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(22 [pid 5113] <... bpf resumed>) = 5 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(3 [pid 5112] close(23 [pid 5113] <... close resumed>) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(4 [pid 5112] close(24) = -1 EBADF (Bad file descriptor) [pid 5112] close(25) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = 0 [pid 5112] close(26 [pid 5113] close(5 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(27 [pid 5113] <... close resumed>) = 0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(6 [pid 5112] close(28 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(29 [pid 5113] close(7 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] exit_group(0 [pid 5113] close(8 [pid 5112] <... exit_group resumed>) = ? [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] +++ exited with 0 +++ [pid 5113] close(9 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] close(10 [pid 5011] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] close(11 [pid 5011] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... openat resumed>) = 3 [pid 5113] close(12 [pid 5011] fstat(3, [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5113] close(13 [pid 5011] getdents64(3, [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5113] close(14 [pid 5011] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] close(15 [pid 5011] lstat("./26/cgroup.cpu", [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./26/cgroup.cpu" [pid 5113] close(16 [pid 5011] <... unlink resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5113] close(17 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./26/binderfs", [pid 5113] close(18 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./26/binderfs" [pid 5113] close(19 [pid 5011] <... unlink resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5113] close(20 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./26/cgroup", [pid 5113] close(21 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./26/cgroup" [pid 5113] close(22 [pid 5011] <... unlink resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5113] close(23 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./26/cgroup.net", [pid 5113] close(24 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./26/cgroup.net" [pid 5113] close(25 [pid 5011] <... unlink resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5113] close(26 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5113] close(27 [pid 5011] <... close resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./26" [pid 5113] close(28 [pid 5011] <... rmdir resumed>) = 0 [pid 5113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] mkdir("./27", 0777 [pid 5113] close(29) = -1 EBADF (Bad file descriptor) [pid 5113] exit_group(0 [pid 5011] <... mkdir resumed>) = 0 [pid 5113] <... exit_group resumed>) = ? [pid 5113] +++ exited with 0 +++ [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5114 attached ) = 3 [pid 5114] set_robust_list(0x5555560346e0, 24 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 30 [pid 5008] fstat(3, [pid 5114] <... set_robust_list resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5114] chdir("./27" [pid 5008] getdents64(3, [pid 5114] <... chdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5114] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5114] setpgid(0, 0 [pid 5008] lstat("./25/cgroup.cpu", [pid 5114] <... setpgid resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./25/cgroup.cpu") = 0 [pid 5114] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./25/binderfs", [pid 5114] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5114] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] unlink("./25/binderfs") = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5008] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5114] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5008] unlink("./25/cgroup" [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5114] <... openat resumed>) = 3 [pid 5008] lstat("./25/cgroup.net", [pid 5114] write(3, "1000", 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5114] <... write resumed>) = 4 [pid 5008] unlink("./25/cgroup.net" [pid 5114] close(3) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5114] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./25" [pid 5114] <... openat resumed>) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 5114] setns(201, 0 [pid 5008] mkdir("./26", 0777 [pid 5114] <... setns resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5114] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] <... socket resumed>) = 4 ./strace-static-x86_64: Process 5115 attached [pid 5114] setns(3, 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 29 [pid 5115] set_robust_list(0x5555560346e0, 24 [pid 5114] <... setns resumed>) = 0 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] close(3 [pid 5115] chdir("./26" [pid 5114] <... close resumed>) = 0 [pid 5115] <... chdir resumed>) = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5115] <... prctl resumed>) = 0 [pid 5114] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5115] setpgid(0, 0) = 0 [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5115] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5114] <... bpf resumed>) = 3 [pid 5115] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5115] <... symlink resumed>) = 0 [pid 5114] <... bpf resumed>) = 5 [pid 5115] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5114] close(3 [pid 5115] <... symlink resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5114] close(4) = 0 [pid 5114] close(5) = 0 [pid 5114] close(6) = -1 EBADF (Bad file descriptor) [pid 5114] close(7) = -1 EBADF (Bad file descriptor) [pid 5114] close(8) = -1 EBADF (Bad file descriptor) [pid 5114] close(9) = -1 EBADF (Bad file descriptor) [pid 5114] close(10) = -1 EBADF (Bad file descriptor) [pid 5114] close(11) = -1 EBADF (Bad file descriptor) [pid 5114] close(12) = -1 EBADF (Bad file descriptor) [pid 5114] close(13) = -1 EBADF (Bad file descriptor) [pid 5114] close(14) = -1 EBADF (Bad file descriptor) [pid 5114] close(15) = -1 EBADF (Bad file descriptor) [pid 5114] close(16) = -1 EBADF (Bad file descriptor) [pid 5114] close(17) = -1 EBADF (Bad file descriptor) [pid 5114] close(18) = -1 EBADF (Bad file descriptor) [pid 5114] close(19) = -1 EBADF (Bad file descriptor) [pid 5114] close(20) = -1 EBADF (Bad file descriptor) [pid 5114] close(21) = -1 EBADF (Bad file descriptor) [pid 5114] close(22) = -1 EBADF (Bad file descriptor) [pid 5114] close(23) = -1 EBADF (Bad file descriptor) [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] close(24) = -1 EBADF (Bad file descriptor) [pid 5114] close(25) = -1 EBADF (Bad file descriptor) [pid 5114] close(26) = -1 EBADF (Bad file descriptor) [pid 5114] close(27) = -1 EBADF (Bad file descriptor) [pid 5114] close(28) = -1 EBADF (Bad file descriptor) [pid 5114] close(29) = -1 EBADF (Bad file descriptor) [pid 5114] exit_group(0) = ? [pid 5115] <... openat resumed>) = 3 [pid 5114] +++ exited with 0 +++ [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5115] <... close resumed>) = 0 [pid 5011] restart_syscall(<... resuming interrupted clone ...> [pid 5115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5011] <... restart_syscall resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5011] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] setns(201, 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... setns resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5115] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 4 [pid 5011] <... openat resumed>) = 3 [pid 5115] setns(3, 0) = 0 [pid 5115] close(3 [pid 5011] fstat(3, [pid 5115] <... close resumed>) = 0 [pid 5115] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5115] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] getdents64(3, [pid 5115] <... bpf resumed>) = 3 [pid 5115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5115] <... bpf resumed>) = 5 [pid 5115] close(3 [pid 5011] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] <... close resumed>) = 0 [pid 5115] close(4 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... close resumed>) = 0 [pid 5011] lstat("./27/cgroup.cpu", [pid 5115] close(5) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5115] close(6 [pid 5011] unlink("./27/cgroup.cpu" [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(7) = -1 EBADF (Bad file descriptor) [pid 5115] close(8) = -1 EBADF (Bad file descriptor) [pid 5115] close(9) = -1 EBADF (Bad file descriptor) [pid 5115] close(10) = -1 EBADF (Bad file descriptor) [pid 5115] close(11) = -1 EBADF (Bad file descriptor) [pid 5115] close(12 [pid 5011] <... unlink resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(13 [pid 5011] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(14 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./27/binderfs", [pid 5115] close(15) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5115] close(16 [pid 5011] unlink("./27/binderfs" [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(17) = -1 EBADF (Bad file descriptor) [pid 5115] close(18) = -1 EBADF (Bad file descriptor) [pid 5115] close(19) = -1 EBADF (Bad file descriptor) [pid 5115] close(20) = -1 EBADF (Bad file descriptor) [pid 5115] close(21 [pid 5011] <... unlink resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(22 [pid 5011] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(23 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(24 [pid 5011] lstat("./27/cgroup", [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5115] close(25 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./27/cgroup" [pid 5115] close(26) = -1 EBADF (Bad file descriptor) [pid 5115] close(27) = -1 EBADF (Bad file descriptor) [pid 5115] close(28 [pid 5011] <... unlink resumed>) = 0 [pid 5115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5115] close(29) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] exit_group(0) = ? [pid 5011] lstat("./27/cgroup.net", [pid 5115] +++ exited with 0 +++ [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./27/cgroup.net" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5011] <... unlink resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5011] getdents64(3, [pid 5008] <... restart_syscall resumed>) = 0 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5011] close(3) = 0 [pid 5011] rmdir("./27" [pid 5008] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... rmdir resumed>) = 0 [pid 5011] mkdir("./28", 0777 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5116 attached [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 31 [pid 5008] fstat(3, [pid 5116] set_robust_list(0x5555560346e0, 24) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5116] chdir("./28" [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5116] <... chdir resumed>) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... prctl resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] setpgid(0, 0 [pid 5008] lstat("./26/cgroup.cpu", [pid 5116] <... setpgid resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5116] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5008] unlink("./26/cgroup.cpu" [pid 5116] <... symlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5116] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5008] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] lstat("./26/binderfs", [pid 5116] <... symlink resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./26/binderfs" [pid 5116] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5116] write(3, "1000", 4 [pid 5008] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... write resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] close(3 [pid 5008] lstat("./26/cgroup", [pid 5116] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5116] setns(201, 0) = 0 [pid 5116] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 4 [pid 5116] setns(3, 0) = 0 [pid 5116] close(3) = 0 [pid 5116] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8) = -1 EBUSY (Device or resource busy) [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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) = 3 [pid 5116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16) = 5 [pid 5116] close(3) = 0 [pid 5008] unlink("./26/cgroup" [pid 5116] close(4) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5116] close(5 [pid 5008] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] close(6 [pid 5008] lstat("./26/cgroup.net", [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(7 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] unlink("./26/cgroup.net" [pid 5116] close(8) = -1 EBADF (Bad file descriptor) [pid 5008] <... unlink resumed>) = 0 [pid 5116] close(9 [pid 5008] getdents64(3, [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(10 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] close(3 [pid 5116] close(11) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5116] close(12 [pid 5008] rmdir("./26" [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(13) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5116] close(14 [pid 5008] mkdir("./27", 0777 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(15) = -1 EBADF (Bad file descriptor) [pid 5116] close(16 [pid 5008] <... mkdir resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5116] close(17) = -1 EBADF (Bad file descriptor) [pid 5116] close(18) = -1 EBADF (Bad file descriptor) [pid 5116] close(19) = -1 EBADF (Bad file descriptor) [pid 5116] close(20) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5117 attached [pid 5116] close(21 [pid 5117] set_robust_list(0x5555560346e0, 24 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 30 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] close(22) = -1 EBADF (Bad file descriptor) [pid 5117] chdir("./27" [pid 5116] close(23 [pid 5117] <... chdir resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] close(24 [pid 5117] <... prctl resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] setpgid(0, 0 [pid 5116] close(25 [pid 5117] <... setpgid resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(26 [pid 5117] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] close(27 [pid 5117] <... symlink resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5116] close(28 [pid 5117] <... symlink resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5116] close(29 [pid 5117] <... symlink resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] exit_group(0 [pid 5117] <... openat resumed>) = 3 [pid 5116] <... exit_group resumed>) = ? [pid 5117] write(3, "1000", 4 [pid 5116] +++ exited with 0 +++ [pid 5117] <... write resumed>) = 4 [pid 5117] close(3) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5117] symlink("/dev/binderfs", "./binderfs" [pid 5011] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... symlink resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5117] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5011] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5117] <... openat resumed>) = 3 [pid 5011] <... openat resumed>) = 3 [pid 5117] setns(201, 0 [pid 5011] fstat(3, [pid 5117] <... setns resumed>) = 0 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5117] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5011] getdents64(3, [pid 5117] <... socket resumed>) = 4 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5117] setns(3, 0 [pid 5011] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... setns resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5117] close(3 [pid 5011] lstat("./28/cgroup.cpu", [pid 5117] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5117] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] unlink("./28/cgroup.cpu" [pid 5117] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] <... unlink resumed>) = 0 [pid 5117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... bpf resumed>) = 3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] lstat("./28/binderfs", [pid 5117] <... bpf resumed>) = 5 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5117] close(3 [pid 5011] unlink("./28/binderfs" [pid 5117] <... close resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5117] close(4 [pid 5011] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... close resumed>) = 0 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5117] close(5 [pid 5011] lstat("./28/cgroup", [pid 5117] <... close resumed>) = 0 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5117] close(6 [pid 5011] unlink("./28/cgroup" [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5117] close(7 [pid 5011] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5117] close(8 [pid 5011] lstat("./28/cgroup.net", [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5117] close(9 [pid 5011] unlink("./28/cgroup.net" [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5117] close(10 [pid 5011] getdents64(3, [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5117] close(11 [pid 5011] close(3 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5117] close(12 [pid 5011] rmdir("./28" [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5117] close(13 [pid 5011] mkdir("./29", 0777 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5117] close(14 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(15 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 32 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(16 [pid 5118] set_robust_list(0x5555560346e0, 24 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] close(17) = -1 EBADF (Bad file descriptor) [pid 5118] chdir("./29" [pid 5117] close(18) = -1 EBADF (Bad file descriptor) [pid 5118] <... chdir resumed>) = 0 [pid 5117] close(19) = -1 EBADF (Bad file descriptor) [pid 5117] close(20 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(21 [pid 5118] <... prctl resumed>) = 0 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] setpgid(0, 0 [pid 5117] close(22 [pid 5118] <... setpgid resumed>) = 0 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5117] close(23 [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(24 [pid 5118] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(25 [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5117] close(26) = -1 EBADF (Bad file descriptor) [pid 5117] close(27 [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] close(28) = -1 EBADF (Bad file descriptor) [pid 5118] <... openat resumed>) = 3 [pid 5117] close(29 [pid 5118] write(3, "1000", 4 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... write resumed>) = 4 [pid 5117] exit_group(0 [pid 5118] close(3 [pid 5117] <... exit_group resumed>) = ? [pid 5118] <... close resumed>) = 0 [pid 5117] +++ exited with 0 +++ [pid 5118] symlink("/dev/binderfs", "./binderfs" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5118] <... symlink resumed>) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5118] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5118] setns(201, 0 [pid 5008] fstat(3, [pid 5118] <... setns resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5118] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] getdents64(3, [pid 5118] <... socket resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5118] setns(3, 0 [pid 5008] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... setns resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] close(3 [pid 5008] lstat("./27/cgroup.cpu", [pid 5118] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5118] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] unlink("./27/cgroup.cpu" [pid 5118] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] <... unlink resumed>) = 0 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./27/binderfs") = 0 [pid 5008] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] <... bpf resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5118] <... bpf resumed>) = 5 [pid 5008] unlink("./27/cgroup" [pid 5118] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5118] <... close resumed>) = 0 [pid 5008] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5118] close(4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... close resumed>) = 0 [pid 5008] lstat("./27/cgroup.net", [pid 5118] close(5 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5118] <... close resumed>) = 0 [pid 5008] unlink("./27/cgroup.net" [pid 5118] close(6 [pid 5008] <... unlink resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] getdents64(3, [pid 5118] close(7 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] close(3 [pid 5118] close(8 [pid 5008] <... close resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] rmdir("./27" [pid 5118] close(9 [pid 5008] <... rmdir resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] mkdir("./28", 0777 [pid 5118] close(10 [pid 5008] <... mkdir resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached [pid 5118] close(11) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 31 [pid 5119] set_robust_list(0x5555560346e0, 24 [pid 5118] close(12 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] chdir("./28" [pid 5118] close(13 [pid 5119] <... chdir resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] close(14 [pid 5119] <... prctl resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] setpgid(0, 0 [pid 5118] close(15 [pid 5119] <... setpgid resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5118] close(16 [pid 5119] <... symlink resumed>) = 0 [pid 5119] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... symlink resumed>) = 0 [pid 5118] close(17 [pid 5119] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... symlink resumed>) = 0 [pid 5118] close(18 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] close(19) = -1 EBADF (Bad file descriptor) [pid 5119] <... openat resumed>) = 3 [pid 5119] write(3, "1000", 4 [pid 5118] close(20 [pid 5119] <... write resumed>) = 4 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] close(3 [pid 5118] close(21 [pid 5119] <... close resumed>) = 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] symlink("/dev/binderfs", "./binderfs" [pid 5118] close(22) = -1 EBADF (Bad file descriptor) [pid 5119] <... symlink resumed>) = 0 [pid 5118] close(23 [pid 5119] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] close(24) = -1 EBADF (Bad file descriptor) [pid 5118] close(25) = -1 EBADF (Bad file descriptor) [pid 5119] <... openat resumed>) = 3 [pid 5118] close(26 [pid 5119] setns(201, 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... setns resumed>) = 0 [pid 5118] close(27 [pid 5119] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... socket resumed>) = 4 [pid 5118] close(28 [pid 5119] setns(3, 0 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... setns resumed>) = 0 [pid 5118] close(29 [pid 5119] close(3 [pid 5118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] <... close resumed>) = 0 [pid 5118] exit_group(0) = ? [pid 5119] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8) = -1 EBUSY (Device or resource busy) [pid 5118] +++ exited with 0 +++ [pid 5119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5119] <... bpf resumed>) = 3 [pid 5119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16) = 5 [pid 5011] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] close(3 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5119] close(4 [pid 5011] <... openat resumed>) = 3 [pid 5119] <... close resumed>) = 0 [pid 5011] fstat(3, [pid 5119] close(5 [pid 5011] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5119] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5119] close(6 [pid 5011] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] close(7 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./29/cgroup.cpu", [pid 5119] close(8 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./29/cgroup.cpu" [pid 5119] close(9 [pid 5011] <... unlink resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] close(10 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./29/binderfs", [pid 5119] close(11 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./29/binderfs" [pid 5119] close(12 [pid 5011] <... unlink resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] close(13 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./29/cgroup", [pid 5119] close(14 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./29/cgroup" [pid 5119] close(15 [pid 5011] <... unlink resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] close(16 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] lstat("./29/cgroup.net", [pid 5119] close(17 [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] unlink("./29/cgroup.net" [pid 5119] close(18 [pid 5011] <... unlink resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] getdents64(3, [pid 5119] close(19 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] close(3 [pid 5119] close(20 [pid 5011] <... close resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] rmdir("./29" [pid 5119] close(21 [pid 5011] <... rmdir resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] mkdir("./30", 0777 [pid 5119] close(22 [pid 5011] <... mkdir resumed>) = 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached [pid 5119] close(23) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 33 [pid 5119] close(24 [pid 5120] set_robust_list(0x5555560346e0, 24 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] close(25 [pid 5120] chdir("./30" [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] close(26) = -1 EBADF (Bad file descriptor) [pid 5120] <... chdir resumed>) = 0 [pid 5119] close(27 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... prctl resumed>) = 0 [pid 5119] close(28 [pid 5120] setpgid(0, 0 [pid 5119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] <... setpgid resumed>) = 0 [pid 5119] close(29) = -1 EBADF (Bad file descriptor) [pid 5120] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5119] exit_group(0) = ? [pid 5120] <... symlink resumed>) = 0 [pid 5119] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5008] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5120] <... symlink resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] fstat(3, [pid 5120] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5120] write(3, "1000", 4 [pid 5008] getdents64(3, [pid 5120] <... write resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556035840 /* 6 entries */, 32768) = 176 [pid 5120] close(3 [pid 5008] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] symlink("/dev/binderfs", "./binderfs" [pid 5008] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5120] <... symlink resumed>) = 0 [pid 5008] unlink("./28/cgroup.cpu" [pid 5120] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5008] <... unlink resumed>) = 0 [pid 5008] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] setns(201, 0 [pid 5008] lstat("./28/binderfs", [pid 5120] <... setns resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5120] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] unlink("./28/binderfs" [pid 5120] <... socket resumed>) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5120] setns(3, 0 [pid 5008] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... setns resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] close(3 [pid 5008] lstat("./28/cgroup", [pid 5120] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] unlink("./28/cgroup" [pid 5120] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] <... unlink resumed>) = 0 [pid 5120] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5120] <... bpf resumed>) = 3 [pid 5008] unlink("./28/cgroup.net" [pid 5120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5120] <... bpf resumed>) = 5 [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5120] close(3 [pid 5008] close(3 [pid 5120] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5120] close(4 [pid 5008] rmdir("./28" [pid 5120] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5120] close(5 [pid 5008] mkdir("./29", 0777 [pid 5120] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5120] close(6 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(7 [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 32 [pid 5121] set_robust_list(0x5555560346e0, 24 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] close(8 [pid 5121] chdir("./29" [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... chdir resumed>) = 0 [pid 5120] close(9 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... prctl resumed>) = 0 [pid 5120] close(10 [pid 5121] setpgid(0, 0 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... setpgid resumed>) = 0 [pid 5120] close(11 [pid 5121] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... symlink resumed>) = 0 [pid 5120] close(12 [pid 5121] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... symlink resumed>) = 0 [pid 5120] close(13 [pid 5121] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... symlink resumed>) = 0 [pid 5120] close(14 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... openat resumed>) = 3 [pid 5120] close(15 [pid 5121] write(3, "1000", 4 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... write resumed>) = 4 [pid 5120] close(16 [pid 5121] close(3 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... close resumed>) = 0 [pid 5120] close(17 [pid 5121] symlink("/dev/binderfs", "./binderfs" [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(18) = -1 EBADF (Bad file descriptor) [pid 5121] <... symlink resumed>) = 0 [pid 5120] close(19 [pid 5121] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(20 [pid 5121] <... openat resumed>) = 3 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] setns(201, 0 [pid 5120] close(21 [pid 5121] <... setns resumed>) = 0 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5120] close(22) = -1 EBADF (Bad file descriptor) [pid 5121] <... socket resumed>) = 4 [pid 5120] close(23 [pid 5121] setns(3, 0 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... setns resumed>) = 0 [pid 5120] close(24 [pid 5121] close(3 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... close resumed>) = 0 [pid 5120] close(25) = -1 EBADF (Bad file descriptor) [pid 5121] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5120] close(26 [pid 5121] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5120] close(27 [pid 5121] <... bpf resumed>) = 3 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5120] close(28) = -1 EBADF (Bad file descriptor) [pid 5121] <... bpf resumed>) = 5 [pid 5120] close(29 [pid 5121] close(3 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] <... close resumed>) = 0 [pid 5120] exit_group(0) = ? [pid 5121] close(4 [pid 5120] +++ exited with 0 +++ [pid 5121] <... close resumed>) = 0 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5011] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./30/cgroup.cpu") = 0 [pid 5011] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5121] close(5 [pid 5011] unlink("./30/binderfs" [pid 5121] <... close resumed>) = 0 [pid 5011] <... unlink resumed>) = 0 [pid 5121] close(6 [pid 5011] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5121] close(7 [pid 5011] lstat("./30/cgroup", [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5121] close(8 [pid 5011] unlink("./30/cgroup" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5011] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5121] close(9 [pid 5011] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./30/cgroup.net", [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5121] close(10 [pid 5011] unlink("./30/cgroup.net" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... unlink resumed>) = 0 [pid 5121] close(11 [pid 5011] getdents64(3, [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5121] close(12 [pid 5011] close(3 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... close resumed>) = 0 [pid 5121] close(13 [pid 5011] rmdir("./30" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... rmdir resumed>) = 0 [pid 5121] close(14 [pid 5011] mkdir("./31", 0777 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... mkdir resumed>) = 0 [pid 5121] close(15 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 34 [pid 5121] close(16 [pid 5122] set_robust_list(0x5555560346e0, 24 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] close(17 [pid 5122] chdir("./31" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... chdir resumed>) = 0 [pid 5121] close(18 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... prctl resumed>) = 0 [pid 5121] close(19 [pid 5122] setpgid(0, 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... setpgid resumed>) = 0 [pid 5121] close(20 [pid 5122] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... symlink resumed>) = 0 [pid 5121] close(21 [pid 5122] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... symlink resumed>) = 0 [pid 5121] close(22 [pid 5122] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] <... symlink resumed>) = 0 [pid 5121] close(23 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] close(24) = -1 EBADF (Bad file descriptor) [pid 5121] close(25 [pid 5122] <... openat resumed>) = 3 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] write(3, "1000", 4 [pid 5121] close(26 [pid 5122] <... write resumed>) = 4 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(3 [pid 5121] close(27 [pid 5122] <... close resumed>) = 0 [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] symlink("/dev/binderfs", "./binderfs" [pid 5121] close(28) = -1 EBADF (Bad file descriptor) [pid 5122] <... symlink resumed>) = 0 [pid 5121] close(29 [pid 5122] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] exit_group(0) = ? [pid 5121] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5122] <... openat resumed>) = 3 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5008] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5122] setns(201, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./29/cgroup.cpu", [pid 5122] <... setns resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5122] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5008] unlink("./29/cgroup.cpu" [pid 5122] <... socket resumed>) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5122] setns(3, 0 [pid 5008] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5122] <... setns resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5122] close(3 [pid 5008] lstat("./29/binderfs", [pid 5122] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5122] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5008] unlink("./29/binderfs" [pid 5122] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5008] <... unlink resumed>) = 0 [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5008] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./29/cgroup", [pid 5122] <... bpf resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5008] unlink("./29/cgroup" [pid 5122] <... bpf resumed>) = 5 [pid 5008] <... unlink resumed>) = 0 [pid 5122] close(3 [pid 5008] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5122] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5122] close(4 [pid 5008] lstat("./29/cgroup.net", [pid 5122] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5122] close(5 [pid 5008] unlink("./29/cgroup.net" [pid 5122] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5122] close(6 [pid 5008] getdents64(3, [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5122] close(7 [pid 5008] close(3 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... close resumed>) = 0 [pid 5122] close(8 [pid 5008] rmdir("./29" [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... rmdir resumed>) = 0 [pid 5122] close(9 [pid 5008] mkdir("./30", 0777 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... mkdir resumed>) = 0 [pid 5122] close(10 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5123 attached [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(11 [pid 5123] set_robust_list(0x5555560346e0, 24 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] <... clone resumed>, child_tidptr=0x5555560346d0) = 33 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] close(12 [pid 5123] chdir("./30" [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... chdir resumed>) = 0 [pid 5122] close(13 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... prctl resumed>) = 0 [pid 5122] close(14 [pid 5123] setpgid(0, 0 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... setpgid resumed>) = 0 [pid 5122] close(15 [pid 5123] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... symlink resumed>) = 0 [pid 5122] close(16 [pid 5123] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... symlink resumed>) = 0 [pid 5122] close(17 [pid 5123] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(18 [pid 5123] <... symlink resumed>) = 0 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] close(19) = -1 EBADF (Bad file descriptor) [pid 5122] close(20) = -1 EBADF (Bad file descriptor) [pid 5123] <... openat resumed>) = 3 [pid 5122] close(21 [pid 5123] write(3, "1000", 4 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... write resumed>) = 4 [pid 5122] close(22 [pid 5123] close(3 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... close resumed>) = 0 [pid 5122] close(23 [pid 5123] symlink("/dev/binderfs", "./binderfs" [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(24 [pid 5123] <... symlink resumed>) = 0 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5122] close(25) = -1 EBADF (Bad file descriptor) [pid 5122] close(26) = -1 EBADF (Bad file descriptor) [pid 5123] <... openat resumed>) = 3 [pid 5122] close(27 [pid 5123] setns(201, 0 [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... setns resumed>) = 0 [pid 5122] close(28 [pid 5123] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO [pid 5122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5122] close(29) = -1 EBADF (Bad file descriptor) [pid 5123] <... socket resumed>) = 4 [pid 5123] setns(3, 0 [pid 5122] exit_group(0 [pid 5123] <... setns resumed>) = 0 [pid 5122] <... exit_group resumed>) = ? [pid 5122] +++ exited with 0 +++ [pid 5123] close(3 [pid 5011] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5011] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5011] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5011] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./31/cgroup.cpu") = 0 [pid 5011] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] unlink("./31/binderfs") = 0 [pid 5011] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5011] unlink("./31/cgroup") = 0 [pid 5011] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5011] unlink("./31/cgroup.net") = 0 [pid 5123] <... close resumed>) = 0 [pid 5011] getdents64(3, [pid 5123] connect(4, {sa_family=AF_BLUETOOTH, sco_bdaddr=aa:aa:aa:aa:aa:00}, 8 [pid 5011] <... getdents64 resumed>0x555556035840 /* 0 entries */, 32768) = 0 [pid 5123] <... connect resumed>) = -1 EBUSY (Device or resource busy) [pid 5011] close(3 [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, 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_SOCK_CREATE, 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 [pid 5011] <... close resumed>) = 0 [pid 5011] rmdir("./31" [pid 5123] <... bpf resumed>) = 3 [pid 5011] <... rmdir resumed>) = 0 [pid 5123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="percpu_alloc_percpu", prog_fd=3}}, 16 [pid 5011] mkdir("./32", 0777 [pid 5123] <... bpf resumed>) = 5 [pid 5011] <... mkdir resumed>) = 0 [pid 5123] close(3 [pid 5011] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached [pid 5123] <... close resumed>) = 0 [pid 5124] set_robust_list(0x5555560346e0, 24 [pid 5123] close(4 [pid 5011] <... clone resumed>, child_tidptr=0x5555560346d0) = 35 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] <... close resumed>) = 0 [pid 5011] --- SIGBUS {si_signo=SIGBUS, si_code=SI_KERNEL, si_addr=NULL} --- [pid 5124] chdir("./32" [pid 5123] close(5 [pid 5011] exit_group(7 [pid 5124] <... chdir resumed>) = 0 [pid 5123] <... close resumed>) = 0 [pid 5011] <... exit_group resumed>) = ? [pid 5123] close(6) = -1 EBADF (Bad file descriptor) [pid 5123] close(7) = -1 EBADF (Bad file descriptor) [pid 5123] close(8) = -1 EBADF (Bad file descriptor) [pid 5123] close(9) = -1 EBADF (Bad file descriptor) [ 58.699544][ T5124] ================================================================== [ 58.707650][ T5124] BUG: KASAN: slab-use-after-free in hci_conn_hash_flush+0x244/0x270 [ 58.715759][ T5124] Read of size 8 at addr ffff888072376000 by task syz-executor296/5124 [ 58.723991][ T5124] [ 58.726319][ T5124] CPU: 0 PID: 5124 Comm: syz-executor296 Not tainted 6.3.0-syzkaller-07946-g281900a923d4 #0 [ 58.736388][ T5124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 58.746452][ T5124] Call Trace: [ 58.749738][ T5124] [ 58.752674][ T5124] dump_stack_lvl+0xd9/0x150 [ 58.757274][ T5124] print_address_description.constprop.0+0x2c/0x3c0 [ 58.763869][ T5124] ? hci_conn_hash_flush+0x244/0x270 [ 58.769161][ T5124] kasan_report+0x11c/0x130 [ 58.773663][ T5124] ? hci_conn_hash_flush+0x244/0x270 [ 58.778968][ T5124] hci_conn_hash_flush+0x244/0x270 [ 58.784090][ T5124] hci_dev_close_sync+0x5fb/0x1200 [ 58.789231][ T5124] ? hci_reset_sync+0x50/0x50 [ 58.793904][ T5124] ? __kmem_cache_free+0xaf/0x2d0 [ 58.798928][ T5124] hci_dev_do_close+0x31/0x70 [ 58.803615][ T5124] hci_unregister_dev+0x1ce/0x580 [ 58.808647][ T5124] vhci_release+0x80/0xf0 [ 58.812973][ T5124] __fput+0x27c/0xa90 [ 58.816959][ T5124] ? vhci_close_dev+0x50/0x50 [ 58.821645][ T5124] task_work_run+0x16f/0x270 [ 58.826229][ T5124] ? task_work_cancel+0x30/0x30 [ 58.831081][ T5124] do_exit+0xad3/0x2960 [ 58.835230][ T5124] ? find_held_lock+0x2d/0x110 [ 58.839993][ T5124] ? get_signal+0x89d/0x25b0 [ 58.844582][ T5124] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.849983][ T5124] ? do_raw_spin_lock+0x124/0x2b0 [ 58.855009][ T5124] ? spin_bug+0x1c0/0x1c0 [ 58.859350][ T5124] do_group_exit+0xd4/0x2a0 [ 58.863862][ T5124] get_signal+0x2315/0x25b0 [ 58.868362][ T5124] ? __task_pid_nr_ns+0x16c/0x500 [ 58.873393][ T5124] ? exit_signals+0x910/0x910 [ 58.878075][ T5124] ? from_kuid+0xc0/0xc0 [ 58.882315][ T5124] ? find_held_lock+0x2d/0x110 [ 58.887079][ T5124] arch_do_signal_or_restart+0x79/0x5c0 [ 58.892625][ T5124] ? get_sigframe_size+0x10/0x10 [ 58.897557][ T5124] ? lock_downgrade+0x690/0x690 [ 58.902409][ T5124] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.907612][ T5124] exit_to_user_mode_prepare+0x11f/0x240 [ 58.913249][ T5124] syscall_exit_to_user_mode+0x1d/0x50 [ 58.918721][ T5124] do_syscall_64+0x46/0xb0 [ 58.923130][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.929029][ T5124] RIP: 0033:0x7f2776f3e1ed [ 58.933443][ T5124] Code: Unable to access opcode bytes at 0x7f2776f3e1c3. [ 58.940450][ T5124] RSP: 002b:00007fff533df430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.948854][ T5124] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2776f3e1ed [ 58.956816][ T5124] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000001 [ 58.964781][ T5124] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f2776fbc150 [ 58.972743][ T5124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff533df4ac [ 58.980706][ T5124] R13: 00007fff533df4c0 R14: 00007fff533df500 R15: 0000000000000020 [ 58.988678][ T5124] [ 58.991690][ T5124] [ 58.994003][ T5124] Allocated by task 5036: [ 58.998314][ T5124] kasan_save_stack+0x22/0x40 [ 59.002993][ T5124] kasan_set_track+0x25/0x30 [ 59.007576][ T5124] __kasan_kmalloc+0xa2/0xb0 [ 59.012162][ T5124] hci_conn_add+0xb8/0x16b0 [ 59.016662][ T5124] hci_connect_sco+0x3c7/0x1050 [ 59.021509][ T5124] sco_sock_connect+0x2d7/0xae0 [ 59.026375][ T5124] __sys_connect_file+0x153/0x1a0 [ 59.031408][ T5124] __sys_connect+0x165/0x1a0 [ 59.036000][ T5124] __x64_sys_connect+0x73/0xb0 [ 59.040763][ T5124] do_syscall_64+0x39/0xb0 [ 59.045184][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.051079][ T5124] [ 59.053390][ T5124] Freed by task 5124: [ 59.057354][ T5124] kasan_save_stack+0x22/0x40 [ 59.062030][ T5124] kasan_set_track+0x25/0x30 [ 59.066617][ T5124] kasan_save_free_info+0x2e/0x40 [ 59.071640][ T5124] ____kasan_slab_free+0x160/0x1c0 [ 59.076745][ T5124] slab_free_freelist_hook+0x8b/0x1c0 [ 59.082119][ T5124] __kmem_cache_free+0xaf/0x2d0 [ 59.086964][ T5124] device_release+0xa3/0x240 [ 59.091552][ T5124] kobject_put+0x1c2/0x4d0 [ 59.095965][ T5124] put_device+0x1f/0x30 [ 59.100140][ T5124] hci_conn_del+0x1e5/0x950 [ 59.104646][ T5124] hci_conn_unlink+0x2ce/0x460 [ 59.109412][ T5124] hci_conn_unlink+0x362/0x460 [ 59.114173][ T5124] hci_conn_hash_flush+0x19b/0x270 [ 59.119282][ T5124] hci_dev_close_sync+0x5fb/0x1200 [ 59.124390][ T5124] hci_dev_do_close+0x31/0x70 [ 59.129062][ T5124] hci_unregister_dev+0x1ce/0x580 [ 59.134079][ T5124] vhci_release+0x80/0xf0 [ 59.138404][ T5124] __fput+0x27c/0xa90 [ 59.142385][ T5124] task_work_run+0x16f/0x270 [ 59.146970][ T5124] do_exit+0xad3/0x2960 [ 59.151120][ T5124] do_group_exit+0xd4/0x2a0 [ 59.155615][ T5124] get_signal+0x2315/0x25b0 [ 59.160114][ T5124] arch_do_signal_or_restart+0x79/0x5c0 [ 59.165667][ T5124] exit_to_user_mode_prepare+0x11f/0x240 [ 59.171299][ T5124] syscall_exit_to_user_mode+0x1d/0x50 [ 59.176756][ T5124] do_syscall_64+0x46/0xb0 [ 59.181163][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.187058][ T5124] [ 59.189371][ T5124] The buggy address belongs to the object at ffff888072376000 [ 59.189371][ T5124] which belongs to the cache kmalloc-4k of size 4096 [ 59.203411][ T5124] The buggy address is located 0 bytes inside of [ 59.203411][ T5124] freed 4096-byte region [ffff888072376000, ffff888072377000) [ 59.217123][ T5124] [ 59.219437][ T5124] The buggy address belongs to the physical page: [ 59.225845][ T5124] page:ffffea0001c8dc00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x72370 [ 59.235986][ T5124] head:ffffea0001c8dc00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 59.244910][ T5124] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 59.252887][ T5124] raw: 00fff00000010200 ffff888012442140 dead000000000122 0000000000000000 [ 59.261466][ T5124] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 59.270039][ T5124] page dumped because: kasan: bad access detected [ 59.276444][ T5124] page_owner tracks the page as allocated [ 59.282144][ T5124] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5012, tgid 5012 (syz-executor296), ts 55814079197, free_ts 13850973918 [ 59.305149][ T5124] post_alloc_hook+0x2db/0x350 [ 59.309912][ T5124] get_page_from_freelist+0x1190/0x2e20 [ 59.315456][ T5124] __alloc_pages+0x1cb/0x4a0 [ 59.320046][ T5124] alloc_pages+0x1aa/0x270 [ 59.324472][ T5124] allocate_slab+0x25f/0x390 [ 59.329054][ T5124] ___slab_alloc+0xa91/0x1400 [ 59.333725][ T5124] __slab_alloc.constprop.0+0x56/0xa0 [ 59.339090][ T5124] __kmem_cache_alloc_node+0x136/0x320 [ 59.344546][ T5124] __kmalloc+0x4e/0x190 [ 59.348699][ T5124] cgroup_mkdir+0x25c/0x10b0 [ 59.353286][ T5124] kernfs_iop_mkdir+0x14a/0x1d0 [ 59.358131][ T5124] vfs_mkdir+0x242/0x460 [ 59.362376][ T5124] do_mkdirat+0x28d/0x310 [ 59.366713][ T5124] __x64_sys_mkdir+0xf6/0x140 [ 59.371400][ T5124] do_syscall_64+0x39/0xb0 [ 59.375810][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.381707][ T5124] page last free stack trace: [ 59.386378][ T5124] free_pcp_prepare+0x5da/0xa60 [ 59.391247][ T5124] free_unref_page+0x1d/0x490 [ 59.395940][ T5124] free_contig_range+0xb5/0x180 [ 59.400833][ T5124] destroy_args+0x6c4/0x920 [ 59.405350][ T5124] debug_vm_pgtable+0x2412/0x4210 [ 59.410414][ T5124] do_one_initcall+0x102/0x540 [ 59.415295][ T5124] kernel_init_freeable+0x696/0xc00 [ 59.420504][ T5124] kernel_init+0x1e/0x2c0 [ 59.424839][ T5124] ret_from_fork+0x1f/0x30 [ 59.429263][ T5124] [ 59.431592][ T5124] Memory state around the buggy address: [ 59.437223][ T5124] ffff888072375f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [pid 5123] close(10) = -1 EBADF (Bad file descriptor) [pid 5123] close(11) = -1 EBADF (Bad file descriptor) [pid 5123] close(12) = -1 EBADF (Bad file descriptor) [pid 5123] close(13) = -1 EBADF (Bad file descriptor) [pid 5123] close(14) = -1 EBADF (Bad file descriptor) [pid 5123] close(15) = -1 EBADF (Bad file descriptor) [pid 5123] close(16) = -1 EBADF (Bad file descriptor) [pid 5123] close(17) = -1 EBADF (Bad file descriptor) [pid 5123] close(18) = -1 EBADF (Bad file descriptor) [pid 5123] close(19) = -1 EBADF (Bad file descriptor) [pid 5123] close(20) = -1 EBADF (Bad file descriptor) [pid 5123] close(21) = -1 EBADF (Bad file descriptor) [pid 5123] close(22) = -1 EBADF (Bad file descriptor) [pid 5123] close(23) = -1 EBADF (Bad file descriptor) [pid 5123] close(24) = -1 EBADF (Bad file descriptor) [pid 5123] close(25) = -1 EBADF (Bad file descriptor) [pid 5123] close(26) = -1 EBADF (Bad file descriptor) [pid 5123] close(27) = -1 EBADF (Bad file descriptor) [pid 5123] close(28) = -1 EBADF (Bad file descriptor) [pid 5123] close(29) = -1 EBADF (Bad file descriptor) [pid 5123] exit_group(0) = ? [pid 5123] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 59.445284][ T5124] ffff888072375f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 59.453355][ T5124] >ffff888072376000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.461413][ T5124] ^ [ 59.465473][ T5124] ffff888072376080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.473535][ T5124] ffff888072376100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.481596][ T5124] ================================================================== [ 59.514830][ T5124] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 59.522057][ T5124] CPU: 1 PID: 5124 Comm: syz-executor296 Not tainted 6.3.0-syzkaller-07946-g281900a923d4 #0 [ 59.532136][ T5124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 59.542210][ T5124] Call Trace: [ 59.545501][ T5124] [ 59.548445][ T5124] dump_stack_lvl+0xd9/0x150 [ 59.553051][ T5124] panic+0x688/0x730 [ 59.556966][ T5124] ? panic_smp_self_stop+0x90/0x90 [pid 5008] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 59.562099][ T5124] ? preempt_schedule_thunk+0x1a/0x20 [ 59.567500][ T5124] ? preempt_schedule_common+0x45/0xb0 [ 59.573005][ T5124] check_panic_on_warn+0xb1/0xc0 [ 59.577977][ T5124] end_report+0xe9/0x120 [ 59.582322][ T5124] ? hci_conn_hash_flush+0x244/0x270 [ 59.587636][ T5124] kasan_report+0xf9/0x130 [ 59.592070][ T5124] ? hci_conn_hash_flush+0x244/0x270 [ 59.597379][ T5124] hci_conn_hash_flush+0x244/0x270 [ 59.602520][ T5124] hci_dev_close_sync+0x5fb/0x1200 [ 59.607650][ T5124] ? hci_reset_sync+0x50/0x50 [pid 5008] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 59.612344][ T5124] ? __kmem_cache_free+0xaf/0x2d0 [ 59.617390][ T5124] hci_dev_do_close+0x31/0x70 [ 59.622090][ T5124] hci_unregister_dev+0x1ce/0x580 [ 59.627129][ T5124] vhci_release+0x80/0xf0 [ 59.631476][ T5124] __fput+0x27c/0xa90 [ 59.635481][ T5124] ? vhci_close_dev+0x50/0x50 [ 59.640175][ T5124] task_work_run+0x16f/0x270 [ 59.644778][ T5124] ? task_work_cancel+0x30/0x30 [ 59.649640][ T5124] do_exit+0xad3/0x2960 [ 59.653806][ T5124] ? find_held_lock+0x2d/0x110 [ 59.658582][ T5124] ? get_signal+0x89d/0x25b0 [pid 5008] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556035840 /* 6 entries */, 32768) = 176 [pid 5008] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./30/cgroup.cpu") = 0 [pid 5008] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./30/binderfs") = 0 [pid 5008] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5008] unlink("./30/cgroup") = 0 [pid 5008] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5008] unlink("./30/cgroup.net") = 0 [pid 5008] getdents64(3, 0x555556035840 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./30") = 0 [pid 5008] mkdir("./31", 0777) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555560346d0) = 34 [ 59.663188][ T5124] ? mm_update_next_owner+0x7b0/0x7b0 [ 59.664899][ T5017] Bluetooth: hci4: command 0x041b tx timeout [ 59.664962][ T5017] Bluetooth: hci5: command 0x041b tx timeout [ 59.680519][ T5124] ? do_raw_spin_lock+0x124/0x2b0 [ 59.685573][ T5124] ? spin_bug+0x1c0/0x1c0 [ 59.689928][ T5124] do_group_exit+0xd4/0x2a0 [ 59.694452][ T5124] get_signal+0x2315/0x25b0 [ 59.698972][ T5124] ? __task_pid_nr_ns+0x16c/0x500 [ 59.704025][ T5124] ? exit_signals+0x910/0x910 [ 59.708723][ T5124] ? from_kuid+0xc0/0xc0 [ 59.712986][ T5124] ? find_held_lock+0x2d/0x110 [ 59.717764][ T5124] arch_do_signal_or_restart+0x79/0x5c0 [ 59.723332][ T5124] ? get_sigframe_size+0x10/0x10 [ 59.728289][ T5124] ? lock_downgrade+0x690/0x690 [ 59.733161][ T5124] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.738385][ T5124] exit_to_user_mode_prepare+0x11f/0x240 [ 59.744047][ T5124] syscall_exit_to_user_mode+0x1d/0x50 [ 59.749535][ T5124] do_syscall_64+0x46/0xb0 [ 59.753963][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.759891][ T5124] RIP: 0033:0x7f2776f3e1ed [ 59.764336][ T5124] Code: Unable to access opcode bytes at 0x7f2776f3e1c3. [ 59.771355][ T5124] RSP: 002b:00007fff533df430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 59.779784][ T5124] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2776f3e1ed [ 59.787766][ T5124] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000001 [ 59.795747][ T5124] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f2776fbc150 [ 59.803725][ T5124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff533df4ac [ 59.811705][ T5124] R13: 00007fff533df4c0 R14: 00007fff533df500 R15: 0000000000000020 [ 59.819693][ T5124] [ 59.822911][ T5124] Kernel Offset: disabled [ 59.827234][ T5124] Rebooting in 86400 seconds..